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'''Yakiv Volodymyrovych Pavlenko''' ({{Birth date|1954|1|24|df=y}} — {{Death date|2024|10|19|df=y}}) was a [[Ukrainians|Ukrainian]] [[astronomer]] and [[Astrophysicists|astrophysicist]], researcher of [[low-mass stars]] and [[exocomets]].
'''Yakiv Volodymyrovych Pavlenko''' ({{Birth date|1954|1|24|df=y}} — {{Death date|2024|10|19|df=y}}) was a [[Ukrainians|Ukrainian]] [[astronomer]] and [[Astrophysicists|astrophysicist]], researcher of [[low-mass stars]] and [[exocomets]].

== Biography ==
== Biography ==
Born in 1954 in {{ill|Makalevychi|uk|Макалевичі}} village, [[Zhytomyr region]], [[Ukraine]].<ref name=":02">{{Cite web |last=Pavlenko |first=Yakiv V. |date=25 December 2022 |title=CURRICULUM VITAE |url=https://mao.kiev.ua/staff/yp/TXT/yp0031.txt |website=mao.kiev.ua/staff/yp |type=CV |format=TXT}}</ref>
He was born in 1954 in {{ill|Makalevychi|uk|Макалевичі}} village, [[Zhytomyr region]], [[Ukraine]].<ref name=":02">{{Cite web |last=Pavlenko |first=Yakiv V. |date=25 December 2022 |title=CURRICULUM VITAE |url=https://mao.kiev.ua/staff/yp/TXT/yp0031.txt |website=mao.kiev.ua/staff/yp |type=CV |format=TXT}}</ref> Pavlenko graduated from [[Kyiv University]] in 1976 with a [[Master's degree]] in Astronomy and Physics.<ref>{{Cite web |title=Випускники – Кафедра астрономії та фізики космосу |url=https://space.knu.ua/vypusknyky/ |access-date=2024-10-29 |language=uk}}</ref> He was a student of Mykola Avenirovych Yakovkin, a son of [[Avenir Aleksandrovich Yakovkin]].<ref>{{Cite book |last=Лозицький |first=В.Г. |url=http://www.observ.univ.kiev.ua/wp-content/uploads/2016/02/Book_of_Abstracts_2015.pdf |title=Астрономія та фізика космосу в Київському університеті |date=25–29 May 2015 |page=15 |language=uk |trans-title=Astronomy and Space Physics at Kyiv University |chapter=М.А. Яковкін — талановитий вчений, вчитель і наставник (до 100-річчя з дня народження)}}</ref>

=== Education ===
Graduated at [[Kyiv University]] in 1976, where defeated [[Master's degree]] in Astronomy and Physics.<ref>{{Cite web |title=Випускники – Кафедра астрономії та фізики космосу |url=https://space.knu.ua/vypusknyky/ |access-date=2024-10-29 |language=uk}}</ref>

Pavlenko was a student of Mykola Avenirovych Yakovkin, a son of [[Avenir Aleksandrovich Yakovkin]].<ref>{{Cite book |last=Лозицький |first=В.Г. |url=http://www.observ.univ.kiev.ua/wp-content/uploads/2016/02/Book_of_Abstracts_2015.pdf |title=Астрономія та фізика космосу в Київському університеті |date=25–29 May 2015 |page=15 |language=uk |trans-title=Astronomy and Space Physics at Kyiv University |chapter=М.А. Яковкін — талановитий вчений, вчитель і наставник (до 100-річчя з дня народження)}}</ref>


=== Career ===
=== Career ===
During the period of 1979—1982, Pavlenko employed as [[Aspirant]] at [[Tartu Observatory]] (Estonia), where defeated [[Candidate of Sciences]] degree in Astrophysics and Radioastronomy шт 1984.<ref>{{Cite web |last=Pavlenko |first=Ya.V. |year=1983 |title=Эффекты отклонения от условий локального термодинамического равновесия в атмосферах М-гигантов |url=https://fizmathim.com/read/221201/d?#?page=1 |website=fizmathim.com |publisher=MAO NASU |place=Kyiv |type=Manuscript}}</ref><ref>{{Cite web |last=Pavlenko |first=Ya.V. |year=1984 |title=Эффекты отклонения от ЛТР в атмосферах М-гигантов |url=https://www.etera.ee/zoom/11848/view |access-date=2024-10-29 |website=www.etera.ee |publisher=Valgus |place=Tallin |language=ru |type=Monography}}</ref><ref>{{Cite journal |last=Pavlenko |first=Ya. V. |year=1984 |title=Departures from LTE in the atmospheres of M giants. |url=https://ui.adsabs.harvard.edu/abs/1984TarOT..70....1P/abstract |journal=Tartu Astrofuusika Observatoorium Teated |volume=70 |pages=1}}</ref><ref>{{Cite journal |last=Pavlenko |first=Ia. V. |date= |year=1990 |title=Departure from LTE and lithium abundance in stellar atmospheres. II. M giants of different luminosity and metallicity. |url=https://ui.adsabs.harvard.edu/abs/1990KFNT....6...58P/abstract |journal=Kinematika i Fizika Nebesnykh Tel |volume=6 |pages=58–62 |issn=0233-7665}}</ref>
During the period of 1979—1982, Pavlenko was employed as an [[Aspirant]] at [[Tartu Observatory]] (Estonia), where he received a [[Candidate of Sciences]] degree in Astrophysics and Radioastronomy шт 1984.<ref>{{Cite web |last=Pavlenko |first=Ya.V. |year=1983 |title=Эффекты отклонения от условий локального термодинамического равновесия в атмосферах М-гигантов |url=https://fizmathim.com/read/221201/d?#?page=1 |website=fizmathim.com |publisher=MAO NASU |place=Kyiv |type=Manuscript}}</ref><ref>{{Cite web |last=Pavlenko |first=Ya.V. |year=1984 |title=Эффекты отклонения от ЛТР в атмосферах М-гигантов |url=https://www.etera.ee/zoom/11848/view |access-date=2024-10-29 |website=www.etera.ee |publisher=Valgus |place=Tallin |language=ru |type=Monography}}</ref><ref>{{Cite journal |last=Pavlenko |first=Ya. V. |year=1984 |title=Departures from LTE in the atmospheres of M giants. |url=https://ui.adsabs.harvard.edu/abs/1984TarOT..70....1P/abstract |journal=Tartu Astrofuusika Observatoorium Teated |volume=70 |pages=1|bibcode=1984TarOT..70....1P }}</ref><ref>{{Cite journal |last=Pavlenko |first=Ia. V. |year=1990 |title=Departure from LTE and lithium abundance in stellar atmospheres. II. M giants of different luminosity and metallicity. |url=https://ui.adsabs.harvard.edu/abs/1990KFNT....6...58P/abstract |journal=Kinematika I Fizika Nebesnykh Tel |volume=6 |pages=58–62 |bibcode=1990KFNT....6...58P |issn=0233-7665}}</ref>


Since 1983, Pavlenko become a permanent employee at the {{ill|Main Astronomy Observatory of the National Academy of Sciences of Ukraine|uk|Головна астрономічна обсерваторія НАН України}} (MAO NASU).
Starting in 1983, Pavlenko become a permanent employee at the {{ill|Main Astronomy Observatory of the National Academy of Sciences of Ukraine|uk|Головна астрономічна обсерваторія НАН України}} (MAO NASU).


Since 1989, Pavlenko collaborated with the research group on Exoplanets and Astrobiology of the [[Instituto de Astrofísica de Canarias]] (IAC).<ref>{{Cite web |title=Substellar - Group Members |url=https://research.iac.es/proyecto/substellar/pages/group-members.php |access-date=2024-10-29 |website=research.iac.es}}</ref><ref name=":0">{{Cite web |date=2016-12-14 |title=Yakiv Pavelenko: “OSIRIS is a very useful instrument for the investigation of low mass late-type hosting stars and exoplanets which cannot be observed directly” |url=https://iac.edu.es/en/outreach/news/yakiv-pavlenko-osiris-very-useful-instrument-investigation-low-mass-late-type-hosting-stars-and-exoplanets |access-date=2024-10-29 |website=[[Instituto de Astrofísica de Canarias]] |language=en}}</ref>
Since 1989, Pavlenko has collaborated with the research group on Exoplanets and Astrobiology of the [[Instituto de Astrofísica de Canarias]] (IAC).<ref>{{Cite web |title=Substellar - Group Members |url=https://research.iac.es/proyecto/substellar/pages/group-members.php |access-date=2024-10-29 |website=research.iac.es}}</ref><ref name=":0">{{Cite web |date=2016-12-14 |title=Yakiv Pavelenko: "OSIRIS is a very useful instrument for the investigation of low mass late-type hosting stars and exoplanets which cannot be observed directly" |url=https://iac.edu.es/en/outreach/news/yakiv-pavlenko-osiris-very-useful-instrument-investigation-low-mass-late-type-hosting-stars-and-exoplanets |access-date=2024-10-29 |website=[[Instituto de Astrofísica de Canarias]] |language=en}}</ref>


Since 1994, Seniour Research Fellow at MAO NASU.
Since 1994, he was a Senior Research Fellow at MAO NASU.


On 3 October 1996, defeated [[Doctor of Science]] degree in Astrophysics and Radioastronomy at MAO NASU.
On 3 October 1996, Pavlenko received a [[Doctor of Science]] degree in Astrophysics and Radioastronomy at MAO NASU.


Since 2005, Visiting Research Fellow at [[University of Hertfordshire]], UK.<ref name=":02" />
Since 2005, Visiting Research Fellow at [[University of Hertfordshire]], UK.<ref name=":02" />
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On 16 May 2013, during his annual stay visit at IAC<ref name=":0" />, Pavlenko held a seminar talk<ref>{{Cite AV media |url=https://www.youtube.com/watch?v=o29bnO4ykPE |title=Molecular Astrophysics |date=2 April 2018 |last=Pavlenko |first=Yakiv |type=Video |publisher=IAC Astrofísica |via=YouTube}}</ref><ref>{{Cite web |title=IACTalks: Molecular Astrophysics |url=https://research.iac.es/iactalks/eng/talks/view/492 |access-date=2024-10-29 |website=research.iac.es}}</ref> on Molecular Astrophysics.<ref name=":2">{{Cite web |last=Pavlenko |first=Yakiv |date=16 May 2013 |title=Molecular Astrophysics |url=https://www.iac.es/en/science-and-technology/conferences-and-talks/talks/molecular-astrophysics |website=[[Instituto de Astrofísica de Canarias]] |language=en |quote=We discuss the role and significance of molecules in the modern astrophysics.}}</ref><ref>{{Cite web |title=Yakiv Pavlenko |url=https://research.iac.es/severoochoa/index.php/jesus-serra-foundation-visitors/625-yakiv-pavlenko |access-date=2024-10-29 |website=research.iac.es}}</ref>
On 16 May 2013, during his annual stay visit at IAC<ref name=":0" />, Pavlenko held a seminar talk<ref>{{Cite AV media |url=https://www.youtube.com/watch?v=o29bnO4ykPE |title=Molecular Astrophysics |date=2 April 2018 |last=Pavlenko |first=Yakiv |type=Video |publisher=IAC Astrofísica |via=YouTube}}</ref><ref>{{Cite web |title=IACTalks: Molecular Astrophysics |url=https://research.iac.es/iactalks/eng/talks/view/492 |access-date=2024-10-29 |website=research.iac.es}}</ref> on Molecular Astrophysics.<ref name=":2">{{Cite web |last=Pavlenko |first=Yakiv |date=16 May 2013 |title=Molecular Astrophysics |url=https://www.iac.es/en/science-and-technology/conferences-and-talks/talks/molecular-astrophysics |website=[[Instituto de Astrofísica de Canarias]] |language=en |quote=We discuss the role and significance of molecules in the modern astrophysics.}}</ref><ref>{{Cite web |title=Yakiv Pavlenko |url=https://research.iac.es/severoochoa/index.php/jesus-serra-foundation-visitors/625-yakiv-pavlenko |access-date=2024-10-29 |website=research.iac.es}}</ref>


In June 2015, collaborative research work ''«The Search for Exoplanets at U.Chile»'' was presented at ESO Exoplanet Focus Meeting in [[Vitacura]].<ref>James S. Jenkins, Hugh R.A. Jones, Matias I. Jones, Mikko Tuomi, Yakiv Pavlenko, Patricio Rojo, Nestor Becerra, David Pinfield, John R. Barnes, Oleksiy Ivanyuk, Andres Jordan, Maria-Teresa Ruiz, Sebastian Lopez, Matias Diaz, Blake Pantoja, Maritza Soto, and Aurora Aguayo. [https://www.eso.org/sci/meetings/2015/Exoplanet2015/Talks/James_jenkins.pdf The Search for Exoplanets at U.Chile]. ESO Exoplanet Focus Meeting, Vitacura, June 2015.</ref>
In June 2015, the collaborative research work ''«The Search for Exoplanets at U.Chile»'' was presented at ESO Exoplanet Focus Meeting in [[Vitacura]].<ref>James S. Jenkins, Hugh R.A. Jones, Matias I. Jones, Mikko Tuomi, Yakiv Pavlenko, Patricio Rojo, Nestor Becerra, David Pinfield, John R. Barnes, Oleksiy Ivanyuk, Andres Jordan, Maria-Teresa Ruiz, Sebastian Lopez, Matias Diaz, Blake Pantoja, Maritza Soto, and Aurora Aguayo. [https://www.eso.org/sci/meetings/2015/Exoplanet2015/Talks/James_jenkins.pdf The Search for Exoplanets at U.Chile]. ESO Exoplanet Focus Meeting, Vitacura, June 2015.</ref>


Since 2017, Pavlenko headed the Department of Physics of Substellar and Planetary Systems of MAO NASU.<ref>{{Cite web |title=Історична довідка |url=https://mao.kiev.ua/index.php/ua/vfsps-hist-item |access-date=2024-10-29 |website=mao.kiev.ua}}</ref>
Since 2017, Pavlenko headed up the Department of Physics of Substellar and Planetary Systems of MAO NASU.<ref>{{Cite web |title=Історична довідка |url=https://mao.kiev.ua/index.php/ua/vfsps-hist-item |access-date=2024-10-29 |website=mao.kiev.ua}}</ref>


On 15 January 2020, Mario Damasso and its colleges published paper<ref>{{Cite journal |last=Damasso |first=Mario |last2=Del Sordo |first2=Fabio |last3=Anglada-Escudé |first3=Guillem |last4=Giacobbe |first4=Paolo |last5=Sozzetti |first5=Alessandro |last6=Morbidelli |first6=Alessandro |last7=Pojmanski |first7=Grzegorz |last8=Barbato |first8=Domenico |last9=Butler |first9=R. Paul |last10=Jones |first10=Hugh R. A. |last11=Hambsch |first11=Franz-Josef |last12=Jenkins |first12=James S. |last13=López-González |first13=María José |last14=Morales |first14=Nicolás |last15=Peña Rojas |first15=Pablo A. |date=2020-01-17 |title=A low-mass planet candidate orbiting Proxima Centauri at a distance of 1.5 AU |url=https://www.science.org/doi/10.1126/sciadv.aax7467 |journal=Science Advances |language=en |volume=6 |issue=3 |doi=10.1126/sciadv.aax7467 |issn=2375-2548 |pmc=6962037 |pmid=31998838 |quote=Very recently, Pavlenko et al. analyzed the temporal variations of some chromospheric emission lines from the same HARPS optical spectra of our sample.}}</ref> on discovery of [[Proxima Centauri c]], the second [[exoplanet]] near [[Proxima Centauri]].<ref>{{Cite web |date=2020-01-15 |title=A new super-Earth may orbit the star next door |url=https://www.nationalgeographic.com/science/article/proxima-c-new-super-earth-may-orbit-star-next-door-proxima-centauri |access-date=2024-10-29 |website=Science |language=en}}</ref> To exclude fluctuations in spectrum resulted of [[red dwarf]] flare activity, Damasso used research work<ref>{{Cite journal |last=Pavlenko |first=Ya. V. |last2=Suárez Mascareño |first2=A. |last3=Zapatero Osorio |first3=M. R. |last4=Rebolo |first4=R. |last5=Lodieu |first5=N. |last6=Béjar |first6=V. J. S. |last7=González Hernández |first7=J. I. |last8=Mohorian |first8=M. |date=June 2019 |title=Temporal changes of the flare activity of Proxima Centauri |url=https://www.aanda.org/10.1051/0004-6361/201834258 |journal=Astronomy & Astrophysics |volume=626 |pages=A111 |doi=10.1051/0004-6361/201834258 |issn=0004-6361}}</ref> done by Yakiv Pavlenko and other fellows at IAC on analysing spectrography data of [[HARPS]] mission.<ref>{{Cite web |first= |date=16 January 2020 |title=Проксима Центавра може бути домом для другої планети [оновлено] |url=https://scienceukraine.com/cosmos/proxima-c-candidate/ |url-status=dead |archive-url=http://web.archive.org/web/20200923230904/https://scienceukraine.com/cosmos/proxima-c-candidate/ |archive-date=2020-09-23 |access-date= |website=scienceukraine.com |language=uk |quote=Автори використали наші результати, отримані у співпраці з групою вчених з Інституту астрофізики на Канарських о-вах, для того, щоб відкинути можливість пояснення довгоперіодичної варіації параметрів спектру Проксими явищами зоряної активності.}}</ref><ref>{{Cite web |title=Проксима Центавра може бути домівкою для ще однієї землеподібної планети |url=https://old.nas.gov.ua/EN/Messages/Pages/View.aspx?MessageID=5969 |access-date=2024-10-29 |website=www.old.nas.gov.ua |language=uk-UA}}</ref><ref>{{Cite web |title=New Tricks from Old Data: Texas Astronomer Uses 25-year-old Hubble Data to Confirm Planet Proxima Centauri c |url=https://mcdonaldobservatory.org/news/releases/20200602 |access-date=2024-10-29 |website=[[McDonald Observatory]]}}</ref>{{Quote|text=Red dwarfs has wide developed convection zones, where magnetic fields are forming. So, for them [[stellar flare]]s are tipical (by analogy to the [[Solar flare|flares on Sun]]). [...] From another side, red dwarfs are low mass objects, thats why their movement is a more sensitive to existience of exoplanets.|author=Yakiv Pavlenko|title=Proxima Centauri could be a home for the second planet [updated], 16 January 2020|source={{url|http://web.archive.org/web/20200923230904/https://scienceukraine.com/cosmos/proxima-c-candidate/|https://scienceukraine.com/cosmos/proxima-c-candidate/}}}}
On 15 January 2020, Mario Damasso and colleges published a paper<ref>{{Cite journal |last1=Damasso |first1=Mario |last2=Del Sordo |first2=Fabio |last3=Anglada-Escudé |first3=Guillem |last4=Giacobbe |first4=Paolo |last5=Sozzetti |first5=Alessandro |last6=Morbidelli |first6=Alessandro |last7=Pojmanski |first7=Grzegorz |last8=Barbato |first8=Domenico |last9=Butler |first9=R. Paul |last10=Jones |first10=Hugh R. A. |last11=Hambsch |first11=Franz-Josef |last12=Jenkins |first12=James S. |last13=López-González |first13=María José |last14=Morales |first14=Nicolás |last15=Peña Rojas |first15=Pablo A. |date=2020-01-17 |title=A low-mass planet candidate orbiting Proxima Centauri at a distance of 1.5 AU |journal=Science Advances |language=en |volume=6 |issue=3 |pages=eaax7467 |doi=10.1126/sciadv.aax7467 |issn=2375-2548 |pmc=6962037 |pmid=31998838 |bibcode=2020SciA....6.7467D |quote=Very recently, Pavlenko et al. analyzed the temporal variations of some chromospheric emission lines from the same HARPS optical spectra of our sample.}}</ref> on the discovery of [[Proxima Centauri c]], the second [[exoplanet]] near [[Proxima Centauri]].<ref>{{Cite web |date=2020-01-15 |title=A new super-Earth may orbit the star next door |url=https://www.nationalgeographic.com/science/article/proxima-c-new-super-earth-may-orbit-star-next-door-proxima-centauri |access-date=2024-10-29 |website=Science |language=en}}</ref> To exclude fluctuations in spectrum resulted of [[red dwarf]] flare activity, Damasso used research work<ref>{{Cite journal |last1=Pavlenko |first1=Ya. V. |last2=Suárez Mascareño |first2=A. |last3=Zapatero Osorio |first3=M. R. |last4=Rebolo |first4=R. |last5=Lodieu |first5=N. |last6=Béjar |first6=V. J. S. |last7=González Hernández |first7=J. I. |last8=Mohorian |first8=M. |date=June 2019 |title=Temporal changes of the flare activity of Proxima Centauri |url=https://www.aanda.org/10.1051/0004-6361/201834258 |journal=Astronomy & Astrophysics |volume=626 |pages=A111 |doi=10.1051/0004-6361/201834258 |arxiv=1905.07347 |bibcode=2019A&A...626A.111P |issn=0004-6361}}</ref> done by Yakiv Pavlenko and other fellows at IAC on analysing spectrography data of [[HARPS]] mission.<ref>{{Cite web |first= |date=16 January 2020 |title=Проксима Центавра може бути домом для другої планети [оновлено] |url=https://scienceukraine.com/cosmos/proxima-c-candidate/ |url-status=dead |archive-url=http://web.archive.org/web/20200923230904/https://scienceukraine.com/cosmos/proxima-c-candidate/ |archive-date=2020-09-23 |access-date= |website=scienceukraine.com |language=uk |quote=Автори використали наші результати, отримані у співпраці з групою вчених з Інституту астрофізики на Канарських о-вах, для того, щоб відкинути можливість пояснення довгоперіодичної варіації параметрів спектру Проксими явищами зоряної активності.}}</ref><ref>{{Cite web |title=Проксима Центавра може бути домівкою для ще однієї землеподібної планети |url=https://old.nas.gov.ua/EN/Messages/Pages/View.aspx?MessageID=5969 |access-date=2024-10-29 |website=www.old.nas.gov.ua |language=uk-UA}}</ref><ref>{{Cite web |title=New Tricks from Old Data: Texas Astronomer Uses 25-year-old Hubble Data to Confirm Planet Proxima Centauri c |url=https://mcdonaldobservatory.org/news/releases/20200602 |access-date=2024-10-29 |website=[[McDonald Observatory]]}}</ref>{{Quote|text=Red dwarfs has wide developed convection zones, where magnetic fields are forming. So, for them [[stellar flare]]s are tipical (by analogy to the [[Solar flare|flares on Sun]]). [...] From another side, red dwarfs are low mass objects, thats why their movement is a more sensitive to existience of exoplanets.|author=Yakiv Pavlenko|title=Proxima Centauri could be a home for the second planet [updated], 16 January 2020|source={{url|http://web.archive.org/web/20200923230904/https://scienceukraine.com/cosmos/proxima-c-candidate/|https://scienceukraine.com/cosmos/proxima-c-candidate/}}}}


{{Details|Proxima Centauri c}}In April 2022, the paper with the results of exocomets research and discovery of 5 new exocomets<ref>{{Cite journal |last1=Pavlenko |first1=Ya. |last2=Kulyk |first2=I. |last3=Shubina |first3=O. |last4=Vasylenko |first4=M. |last5=Dobrycheva |first5=D. |last6=Korsun |first6=P. |date=April 2022 |title=New exocomets of β Pic |url=https://www.aanda.org/10.1051/0004-6361/202142111 |journal=Astronomy & Astrophysics |volume=660 |pages=A49 |arxiv=2202.13373 |bibcode=2022A&A...660A..49P |doi=10.1051/0004-6361/202142111 |issn=0004-6361}}</ref>, written by Pavlenko together with few other fellows at MAO NASU, was published in [[Astronomy & Astrophysics]] journal.<ref>{{Cite web |last=Lewis |first=Briley |title=Ukrainian Astronomers Discover 'Exocomets' around Another Star |url=https://www.scientificamerican.com/article/ukrainian-astronomers-discover-exocomets-around-another-star/ |access-date=2024-10-28 |website=Scientific American |language=en}}</ref><ref>{{Cite web |last=Prostak |first=Sergio |date=2022-04-18 |title=Ukrainian Astronomers Spot Five New Exocomets around Beta Pictoris {{!}} Sci.News |url=https://www.sci.news/astronomy/five-new-beta-pictoris-exocomets-10723.html |access-date=2024-10-28 |website=Sci.News: Breaking Science News |language=en-US}}</ref>
{{Details|Proxima Centauri c}}In April 2022, a paper with the results of exocomets research and discovery of 5 new exocomets,<ref>{{Cite journal |last1=Pavlenko |first1=Ya. |last2=Kulyk |first2=I. |last3=Shubina |first3=O. |last4=Vasylenko |first4=M. |last5=Dobrycheva |first5=D. |last6=Korsun |first6=P. |date=April 2022 |title=New exocomets of β Pic |url=https://www.aanda.org/10.1051/0004-6361/202142111 |journal=Astronomy & Astrophysics |volume=660 |pages=A49 |arxiv=2202.13373 |bibcode=2022A&A...660A..49P |doi=10.1051/0004-6361/202142111 |issn=0004-6361}}</ref> written by Pavlenko together with few other fellows at MAO NASU, was published in [[Astronomy & Astrophysics]] journal.<ref>{{Cite web |last=Lewis |first=Briley |title=Ukrainian Astronomers Discover 'Exocomets' around Another Star |url=https://www.scientificamerican.com/article/ukrainian-astronomers-discover-exocomets-around-another-star/ |access-date=2024-10-28 |website=Scientific American |language=en}}</ref><ref>{{Cite web |last=Prostak |first=Sergio |date=2022-04-18 |title=Ukrainian Astronomers Spot Five New Exocomets around Beta Pictoris {{!}} Sci.News |url=https://www.sci.news/astronomy/five-new-beta-pictoris-exocomets-10723.html |access-date=2024-10-28 |website=Sci.News: Breaking Science News |language=en-US}}</ref>
{{External image|image1=[https://iac.edu.es/sites/default/files/styles/color/public/images/news/reportajes117_171_hi.jpg Yakiv Pavlenko during his stay at the Instituto de Astrofísica de Canarias (IAC)] (Fall 2022)}}
{{External image|image1=[https://iac.edu.es/sites/default/files/styles/color/public/images/news/reportajes117_171_hi.jpg Yakiv Pavlenko during his stay at the Instituto de Astrofísica de Canarias (IAC)] (Fall 2022)}}
During 1 September — 25 November 2022, Pavlenko visited IAC devoted to model the atmospheres of brown dwarf and exoplanets objects.<ref name=":0" /><ref name=":1">{{Cite web |date=2022-09-01 |title=Prof. Yakiv Pavlenko (Main Astronomical Observatory - National Academy of Sciences of Ukraine) |url=https://iac.edu.es/en/mobility/prof-yakiv-pavlenko-main-astronomical-observatory-national-academy-sciences-ukraine |access-date=2024-10-29 |website=[[Instituto de Astrofísica de Canarias]] |language=en}}</ref>
During 1 September — 25 November 2022, Pavlenko visited IAC devoted to model the atmospheres of brown dwarf and exoplanets objects.<ref name=":0" /><ref name=":1">{{Cite web |date=2022-09-01 |title=Prof. Yakiv Pavlenko (Main Astronomical Observatory - National Academy of Sciences of Ukraine) |url=https://iac.edu.es/en/mobility/prof-yakiv-pavlenko-main-astronomical-observatory-national-academy-sciences-ukraine |access-date=2024-10-29 |website=[[Instituto de Astrofísica de Canarias]] |language=en}}</ref>
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On 21 October 2024, {{ill|Yaroslav Yatskiv|uk|Яцків Ярослав Степанович}} published [[obituary]] on MAO NASU site, revealing Yakiv Pavlenko has passed away on 19 October 2024, at age of 70.<ref>{{Cite web |last=Yatskiv |first=Yaroslav |date=21 October 2024 |title=In Memoriam |url=https://mao.kiev.ua/index.php/ua/81-in-memoriam/866-in-memoriam-pavlenko |website=MAO NANU |type=Obituary |quote=Пам'яті Якова Володимировича ПАВЛЕНКА}}</ref>
On 21 October 2024, {{ill|Yaroslav Yatskiv|uk|Яцків Ярослав Степанович}} published [[obituary]] on MAO NASU site, revealing Yakiv Pavlenko has passed away on 19 October 2024, at age of 70.<ref>{{Cite web |last=Yatskiv |first=Yaroslav |date=21 October 2024 |title=In Memoriam |url=https://mao.kiev.ua/index.php/ua/81-in-memoriam/866-in-memoriam-pavlenko |website=MAO NANU |type=Obituary |quote=Пам'яті Якова Володимировича ПАВЛЕНКА}}</ref>


During the career, Yakiv Pavlenko published more than 300 papers, was a participant of dozens of international meetings, schools and oral talks<ref name=":2" />, was a lecturer<ref>{{Cite web |title=Викладачі |url=https://mao.kiev.ua/index.php/ua/aspirantura-gao-lecturers |access-date=2024-10-29 |website=mao.kiev.ua |quote=Дисципліни:“Еволюція зір і фізика зоряних атмосфер”}}</ref>, adviser<ref>{{Cite web |title=«Хочу бути астрофізиком»: Дар’я Заремба з Донецька кинула успішне навчання у Могилянці заради науки |url=https://svoi.city/articles/25726/hochu-buti-astrofizikom-darya-zaremba-z-donecka-kinula-uspishne-navchannya-u-mogilyanci-zaradi-nauki |access-date=2024-10-29 |website=Свої.City |language=uk |quote=Яків Павленко, дуже авторитетний у зоряній астрофізиці, подивився і сказав, що все правильно, запросив до себе, сказав, що бачить у мені потенціал, запропонував копати глибше.}}</ref><ref>{{Cite web |title=Захищені дисертації аспірантів |url=https://mao.kiev.ua/index.php/ua/aspirantura-gao-graduated |access-date=2024-10-29 |website=mao.kiev.ua}}</ref><ref>{{Cite web |title=Загальний астрофізичний семінар |url=https://mao.kiev.ua/index.php/ua/archivesaita/120-asa2023/764-seminar-news-5 |access-date=2024-10-29 |website=mao.kiev.ua}}</ref> and examiner<ref>[https://knu.ua/pdfs/official/accreditation/104/21828-astrophysics.pdf ВІДОМОСТІ про самооцінювання освітньої програми] (In Ukrainian). [[Kyiv University]], 5 October 2021.</ref>, participied in few international programs and received grants from FP (2009—2013) and a scholarship from MSCA4Ukraine<ref name=":02" /><ref name=":12" /><ref>{{Cite web |title=Editorial Board {{!}} Kinematics and physics of celestial bodies |url=http://kfnt.mao.kiev.ua/en/editorial_board |access-date=2024-10-28 |website=kfnt.mao.kiev.ua}}</ref>, was one of editors at the {{ill|Kinematics and Physics of Celestial Bodies|uk|Кінематика і фізика небесних тіл}} journal<ref>{{Cite web |title=Кінематика і фізика... |url=https://mao.kiev.ua/index.php/ua/vydannia/kinematikaitem |access-date=2024-10-29 |website=mao.kiev.ua}}</ref><ref>{{Cite web |title=Editorial Board {{!}} Kinematics and physics of celestial bodies |url=http://kfnt.in.ua/en/editorial_board |access-date=2024-10-29 |website=kfnt.in.ua |issn=2663-7715}}</ref><ref>{{Cite web |title=Editorial boad {{!}} Kinematics and Physics of Celestial Bodies |url=http://www.allertonpress.com/journals/kinphys.html#EditorialBoard |access-date=2024-10-29 |website=www.allertonpress.com |issn=1934-8401}}</ref>.
During the career, Yakiv Pavlenko published more than 300 papers<ref>{{Cite web |last=Pavlenko |first=Yakiv |title=ORCID |url=https://orcid.org/0000-0002-7615-4028 |access-date=2024-10-29 |website=orcid.org |quote=(0000-0002-7615-4028)}}</ref>, was a participant of dozens of international meetings, schools and oral talks<ref name=":2" />, was a lecturer<ref>{{Cite web |title=Викладачі |url=https://mao.kiev.ua/index.php/ua/aspirantura-gao-lecturers |access-date=2024-10-29 |website=mao.kiev.ua |quote=Дисципліни:“Еволюція зір і фізика зоряних атмосфер”}}</ref>, adviser<ref>{{Cite web |title=«Хочу бути астрофізиком»: Дар'я Заремба з Донецька кинула успішне навчання у Могилянці заради науки |url=https://svoi.city/articles/25726/hochu-buti-astrofizikom-darya-zaremba-z-donecka-kinula-uspishne-navchannya-u-mogilyanci-zaradi-nauki |access-date=2024-10-29 |website=Свої.City |language=uk |quote=Яків Павленко, дуже авторитетний у зоряній астрофізиці, подивився і сказав, що все правильно, запросив до себе, сказав, що бачить у мені потенціал, запропонував копати глибше.}}</ref><ref>{{Cite web |title=Захищені дисертації аспірантів |url=https://mao.kiev.ua/index.php/ua/aspirantura-gao-graduated |access-date=2024-10-29 |website=mao.kiev.ua}}</ref><ref>{{Cite web |title=Загальний астрофізичний семінар |url=https://mao.kiev.ua/index.php/ua/archivesaita/120-asa2023/764-seminar-news-5 |access-date=2024-10-29 |website=mao.kiev.ua}}</ref> and examiner<ref>[https://knu.ua/pdfs/official/accreditation/104/21828-astrophysics.pdf ВІДОМОСТІ про самооцінювання освітньої програми] (In Ukrainian). [[Kyiv University]], 5 October 2021.</ref>, participied in few international programs and received grants from FP (2009—2013) and a scholarship from MSCA4Ukraine<ref name=":02" /><ref name=":12" /><ref>{{Cite web |title=Editorial Board {{!}} Kinematics and physics of celestial bodies |url=http://kfnt.mao.kiev.ua/en/editorial_board |access-date=2024-10-28 |website=kfnt.mao.kiev.ua}}</ref>, was one of editors at the {{ill|Kinematics and Physics of Celestial Bodies|uk|Кінематика і фізика небесних тіл}} journal<ref>{{Cite web |title=Кінематика і фізика... |url=https://mao.kiev.ua/index.php/ua/vydannia/kinematikaitem |access-date=2024-10-29 |website=mao.kiev.ua}}</ref><ref>{{Cite web |title=Editorial Board {{!}} Kinematics and physics of celestial bodies |url=http://kfnt.in.ua/en/editorial_board |access-date=2024-10-29 |website=kfnt.in.ua |issn=2663-7715}}</ref><ref>{{Cite web |title=Editorial boad {{!}} Kinematics and Physics of Celestial Bodies |url=http://www.allertonpress.com/journals/kinphys.html#EditorialBoard |access-date=2024-10-29 |website=www.allertonpress.com |issn=1934-8401}}</ref>.


=== Personal life ===
=== Personal life ===
Yakiv Pavlenko survived by his wife {{ill|Olena Pavlenko|uk|Павленко Олена Петрівна}}, Ukrainan<ref>{{Cite web |title=Павленко Олена Петрівна |url=https://old.nas.gov.ua/UA/PersonalSite/Statuses/Pages/default.aspx?PersonID=0000022817 |access-date=2024-10-29 |website=www.old.nas.gov.ua |language=uk-UA}}</ref><ref>{{Cite web |last=Pavlenko |first=O.P. |date=15 October 2010 |title=Cataclysmic variables and related binary stars with low mass ratio of the components |url=https://www.mao.kiev.ua/biblio/docs/special/2010-11-19_Pavlenko_aref.pdf |website=mao.kiev.ua |type=Manuscript. |quote=A dissertation submitted for a Doctor Degree Thesis. Speciality 01.03.02 Astrophysics, radioastronomy.}}</ref> and Russian<ref>{{Cite web |title=Крымская астрофизическая обсерватория - Павленко Е.П. |url=https://crao.ru/ru/?id=210 |access-date=2024-10-29 |website=crao.ru}}</ref> astrophysicist, and their mutual daughter.<ref name=":02" />
Yakiv Pavlenko is survived by his wife {{ill|Olena Pavlenko|uk|Павленко Олена Петрівна}}, Ukrainan<ref>{{Cite web |title=Павленко Олена Петрівна |url=https://old.nas.gov.ua/UA/PersonalSite/Statuses/Pages/default.aspx?PersonID=0000022817 |access-date=2024-10-29 |website=www.old.nas.gov.ua |language=uk-UA}}</ref><ref>{{Cite web |last=Pavlenko |first=O.P. |date=15 October 2010 |title=Cataclysmic variables and related binary stars with low mass ratio of the components |url=https://www.mao.kiev.ua/biblio/docs/special/2010-11-19_Pavlenko_aref.pdf |website=mao.kiev.ua |type=Manuscript. |quote=A dissertation submitted for a Doctor Degree Thesis. Speciality 01.03.02 Astrophysics, radioastronomy.}}</ref> and Russian<ref>{{Cite web |title=Крымская астрофизическая обсерватория - Павленко Е.П. |url=https://crao.ru/ru/?id=210 |access-date=2024-10-29 |website=crao.ru}}</ref> astrophysicist, and their mutual daughter.<ref name=":02" />


== Fields of interests ==
== Fields of interests ==
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* {{ill|Prize after Barabashov of the National Academy of Sciences of Ukraine|uk|Премія НАН України імені М. П. Барабашова}} ([[2009]])<ref>{{Cite web |title=Вісник НАН України, 2010, № 7 |url=http://www.irbis-nbuv.gov.ua/cgi-bin/irbis_nbuv/cgiirbis_64.exe?C21COM=F&I21DBN=UJRN&P21DBN=UJRNall/herald/2010-07/d3.pdf |access-date=2024-10-28 |website=www.irbis-nbuv.gov.ua}}</ref><ref>{{Cite web |title=Павленко Яків Володимирович |url=https://nas.gov.ua/employee/naspavlenkoyv |access-date=2024-10-29 |website=nas.gov.ua |language=uk}}</ref>
* {{ill|Prize after Barabashov of the National Academy of Sciences of Ukraine|uk|Премія НАН України імені М. П. Барабашова}} ([[2009]])<ref>{{Cite web |title=Вісник НАН України, 2010, № 7 |url=http://www.irbis-nbuv.gov.ua/cgi-bin/irbis_nbuv/cgiirbis_64.exe?C21COM=F&I21DBN=UJRN&P21DBN=UJRNall/herald/2010-07/d3.pdf |access-date=2024-10-28 |website=www.irbis-nbuv.gov.ua}}</ref><ref>{{Cite web |title=Павленко Яків Володимирович |url=https://nas.gov.ua/employee/naspavlenkoyv |access-date=2024-10-29 |website=nas.gov.ua |language=uk}}</ref>
* [[State Prize of Ukraine in Science and Technology]] ([[2014]])<ref>{{Cite web |title=Про присудження Державних премій України в галузі науки і техніки 2014 року |url=https://zakon.rada.gov.ua/laws/show/686/2015 |access-date=2024-10-28 |website=Офіційний вебпортал парламенту України |language=uk}}</ref><ref>{{Cite web |title=Державні / Відомчі нагороди |url=https://mao.kiev.ua/index.php/ua/vpaai-awards |access-date=2024-10-29 |website=mao.kiev.ua}}</ref>
* [[State Prize of Ukraine in Science and Technology]] ([[2014]])<ref>{{Cite web |title=Про присудження Державних премій України в галузі науки і техніки 2014 року |url=https://zakon.rada.gov.ua/laws/show/686/2015 |access-date=2024-10-28 |website=Офіційний вебпортал парламенту України |language=uk}}</ref><ref>{{Cite web |title=Державні / Відомчі нагороди |url=https://mao.kiev.ua/index.php/ua/vpaai-awards |access-date=2024-10-29 |website=mao.kiev.ua}}</ref>
* {{External media|image1=[https://mao.kiev.ua/biblio/mono/IAAsertificat.jpg The Basic Science Book Award] (25 September 2016)}} «Basic Sciense Book Award» of the [[International Academy of Astronautics]] (2016)<ref>{{Cite web |title=Basic Science Book Award |url=https://iaaspace.org/members/awards/#Awards-Book |website=[[International Academy of Astronautics]] |language=en-US}}</ref><ref>{{Cite web |title=IAA Basic Science Book Award |url=https://mao.kiev.ua/index.php/ua/archivesaita/87-as2016/213-gaoanns10 |access-date=2024-10-29 |website=mao.kiev.ua}}</ref>, for the ''«Dark energy and dark matter in the Universe : in three volumes» (2013-2015)'' [[book series]]<ref>{{Cite web |title=Dark energy and dark matter in the Universe : in three volumes |url=https://old.nas.gov.ua/UA/MultiVolumeBook/Pages/Default.aspx?MVBID=0000018 |access-date=2024-10-29 |website=old.nas.gov.ua}}</ref> (Vol 2<ref>Shulga Valery, Zhdanov Valery, Alexandrov Alexander, Berczik Peter, Pavlenko Elena, Pavlenko Yakiv, Pilyugin Leonid, Tsvetkova Viktoria. {{Cite web |year=2014 |title=Dark matter: Astrophysical aspects of the problem ( volume 2, in three volumes «Dark energy and dark matter in the Universe») |url=https://www.mao.kiev.ua/biblio/mono/Dark_Matter-2.pdf |website=Publishing House “Akademperiodyka” |language=en-US |doi=10.15407/akademperiodyka.253.356}}</ref> co-authored by Yakiv and Olena Pavlenko).<ref>{{Cite web |title=Міжнародна академія астронавтики нагородила українських учених за найкращу книгу в галузі фундаментальних наук |url=https://old.nas.gov.ua/EN/Messages/Pages/View.aspx?MessageID=2720 |access-date=2024-10-29 |website=www.old.nas.gov.ua |language=uk-UA}}</ref><ref>{{Cite web |date=2016-12-19 |title=Українське видання стало «Найкращою книгою в галузі фундаментальних наук» |url=https://archive.chytomo.com/news/ukraiinske-vidannya-stalo-najkrashhoyu-knigoyu-v-galuzi-fundamentalnix-nauk |access-date=2024-10-29 |website=Читомо |language=uk}}</ref>
* {{External media|image1=[https://mao.kiev.ua/biblio/mono/IAAsertificat.jpg The Basic Science Book Award] (25 September 2016)}} «Basic Sciense Book Award» of the [[International Academy of Astronautics]] (2016)<ref>{{Cite web |title=Basic Science Book Award |url=https://iaaspace.org/members/awards/#Awards-Book |website=[[International Academy of Astronautics]] |date=27 November 2019 |language=en-US}}</ref><ref>{{Cite web |title=IAA Basic Science Book Award |url=https://mao.kiev.ua/index.php/ua/archivesaita/87-as2016/213-gaoanns10 |access-date=2024-10-29 |website=mao.kiev.ua}}</ref>, for the ''«Dark energy and dark matter in the Universe : in three volumes» (2013-2015)'' [[book series]]<ref>{{Cite web |title=Dark energy and dark matter in the Universe : in three volumes |url=https://old.nas.gov.ua/UA/MultiVolumeBook/Pages/Default.aspx?MVBID=0000018 |access-date=2024-10-29 |website=old.nas.gov.ua}}</ref> (Vol 2<ref>Shulga Valery, Zhdanov Valery, Alexandrov Alexander, Berczik Peter, Pavlenko Elena, Pavlenko Yakiv, Pilyugin Leonid, Tsvetkova Viktoria. {{Cite book |year=2014 |title=Dark matter: Astrophysical aspects of the problem ( volume 2, in three volumes «Dark energy and dark matter in the Universe») |url=https://www.mao.kiev.ua/biblio/mono/Dark_Matter-2.pdf |website=Publishing House “Akademperiodyka” |language=en-US |doi=10.15407/akademperiodyka.253.356 |last1=Shulga |first1=V.M. |last2=Zhdanov |first2=V.І. |last3=Alexandrov |first3=А.N. |isbn=978-966-360-253-0 }}</ref> co-authored by Yakiv and Olena Pavlenko).<ref>{{Cite web |title=Міжнародна академія астронавтики нагородила українських учених за найкращу книгу в галузі фундаментальних наук |url=https://old.nas.gov.ua/EN/Messages/Pages/View.aspx?MessageID=2720 |access-date=2024-10-29 |website=www.old.nas.gov.ua |language=uk-UA}}</ref><ref>{{Cite web |date=2016-12-19 |title=Українське видання стало «Найкращою книгою в галузі фундаментальних наук» |url=https://archive.chytomo.com/news/ukraiinske-vidannya-stalo-najkrashhoyu-knigoyu-v-galuzi-fundamentalnix-nauk |access-date=2024-10-29 |website=Читомо |language=uk}}</ref>
* Remark «For the scientific achivements» of the Presidium of the National Academy of Sciences of Ukraine ([[2018]])<ref name=":02" />
* Remark «For the scientific achivements» of the Presidium of the National Academy of Sciences of Ukraine ([[2018]])<ref name=":02" />


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* James S. Jenkins, Hugh R.A. Jones, Mikko Tuomi, Felipe Murgas, Sergio Hoyer et al. (Jul, 2012). A Hot Uranus Orbiting the Super Metal-rich Star HD77338 and the Metallicity - Mass Connection. ''Astrophys.J.'' 766 (2013) 67. {{doi|10.1088/0004-637X/766/2/67}}
* James S. Jenkins, Hugh R.A. Jones, Mikko Tuomi, Felipe Murgas, Sergio Hoyer et al. (Jul, 2012). A Hot Uranus Orbiting the Super Metal-rich Star HD77338 and the Metallicity - Mass Connection. ''Astrophys.J.'' 766 (2013) 67. {{doi|10.1088/0004-637X/766/2/67}}
* James S. Jenkins, Hugh R.A. Jones, Matias I. Jones, Mikko Tuomi, Yakiv Pavlenko, Patricio Rojo, Nestor Becerra, David Pinfield, John R. Barnes, Oleksiy Ivanyuk, Andres Jordan, Maria-Teresa Ruiz, Sebastian Lopez, Matias Diaz, Blake Pantoja, Maritza Soto, and Aurora Aguayo. [https://www.eso.org/sci/meetings/2015/Exoplanet2015/Talks/James_jenkins.pdf The Search for Exoplanets at U.Chile]. ESO Exoplanet Focus Meeting, Vitacura, June 2015.
* James S. Jenkins, Hugh R.A. Jones, Matias I. Jones, Mikko Tuomi, Yakiv Pavlenko, Patricio Rojo, Nestor Becerra, David Pinfield, John R. Barnes, Oleksiy Ivanyuk, Andres Jordan, Maria-Teresa Ruiz, Sebastian Lopez, Matias Diaz, Blake Pantoja, Maritza Soto, and Aurora Aguayo. [https://www.eso.org/sci/meetings/2015/Exoplanet2015/Talks/James_jenkins.pdf The Search for Exoplanets at U.Chile]. ESO Exoplanet Focus Meeting, Vitacura, June 2015.
* {{Citation |last=Pavlenko |first=Ya V. |title=Flare activity and photospheric analysis of Proxima Centauri |date=2017-06-14 |url=https://arxiv.org/abs/1706.04678 |doi=10.1051/0004-6361/201730733 |last2=Mascareno |first2=A. Suarez |last3=Rebolo |first3=R. |last4=Lodieu |first4=N. |last5=Bejar |first5=V. J. S. |last6=Hernandez |first6=J. I. Gonzalez}}
* {{Citation |last1=Pavlenko |first1=Ya V. |title=Flare activity and photospheric analysis of Proxima Centauri |date=2017-06-14 |doi=10.1051/0004-6361/201730733 |last2=Mascareno |first2=A. Suarez |last3=Rebolo |first3=R. |last4=Lodieu |first4=N. |last5=Bejar |first5=V. J. S. |last6=Hernandez |first6=J. I. Gonzalez|journal=Astronomy & Astrophysics |volume=606 |pages=A49 |arxiv=1706.04678 |bibcode=2017A&A...606A..49P }}
* {{Cite journal |last=Pavlenko |first=Ya. V. |last2=Suárez Mascareño |first2=A. |last3=Zapatero Osorio |first3=M. R. |last4=Rebolo |first4=R. |last5=Lodieu |first5=N. |last6=Béjar |first6=V. J. S. |last7=González Hernández |first7=J. I. |last8=Mohorian |first8=M. |date=January 2019 |title=Temporal changes of the flare activity of Proxima Centauri |url=https://www.aanda.org/10.1051/0004-6361/201834258 |journal=Astronomy & Astrophysics |volume=626 |pages=A111 |doi=10.1051/0004-6361/201834258 |issn=0004-6361}}
* {{Cite journal |last1=Pavlenko |first1=Ya. V. |last2=Suárez Mascareño |first2=A. |last3=Zapatero Osorio |first3=M. R. |last4=Rebolo |first4=R. |last5=Lodieu |first5=N. |last6=Béjar |first6=V. J. S. |last7=González Hernández |first7=J. I. |last8=Mohorian |first8=M. |date=January 2019 |title=Temporal changes of the flare activity of Proxima Centauri |url=https://www.aanda.org/10.1051/0004-6361/201834258 |journal=Astronomy & Astrophysics |volume=626 |pages=A111 |doi=10.1051/0004-6361/201834258 |arxiv=1905.07347 |bibcode=2019A&A...626A.111P |issn=0004-6361}}
* Mogoryan, Maxym ; Pavlenko, Yakiv. [https://www.mao.kiev.ua/biblio/jscans/svitogliad/svit-2018-13-4/svitoglyad-2018-4-05-mogoryan.pdf Proxima Centauri and Its Planetary System]. Svitohlyad, 2018. 4(72):30–33. {{ISSN|1819-7329}}
* Mogoryan, Maxym ; Pavlenko, Yakiv. [https://www.mao.kiev.ua/biblio/jscans/svitogliad/svit-2018-13-4/svitoglyad-2018-4-05-mogoryan.pdf Proxima Centauri and Its Planetary System]. Svitohlyad, 2018. 4(72):30–33. {{ISSN|1819-7329}}
* Vasylenko M., Pavlenko Ya., Dobrycheva D., Kulyk I., Shubina O., Korsun P. The algorithm for automatic identification of asymmetric transits in the TESS database. Proceedings IAU Symposium No. 364, C. Sterken, J. Hearnshaw & D. Valls-Gabaud, eds.
* Vasylenko M., Pavlenko Ya., Dobrycheva D., Kulyk I., Shubina O., Korsun P. The algorithm for automatic identification of asymmetric transits in the TESS database. Proceedings IAU Symposium No. 364, C. Sterken, J. Hearnshaw & D. Valls-Gabaud, eds.
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* Dobrycheva D.V., Vasylenko M.Yu., Kulyk I.V., Pavlenko Ya.V., Shubina O.S., Luk’yanyk I.V., Korsun P.P.. [http://space-scitechjournal.org.ua/en/archive/2023/6/07 Hunting for exocomet transits in the TESS database using the Random Forest method]. ''Space Science and Technology''. 2023 ;29(6):068-079.
* Dobrycheva D.V., Vasylenko M.Yu., Kulyk I.V., Pavlenko Ya.V., Shubina O.S., Luk’yanyk I.V., Korsun P.P.. [http://space-scitechjournal.org.ua/en/archive/2023/6/07 Hunting for exocomet transits in the TESS database using the Random Forest method]. ''Space Science and Technology''. 2023 ;29(6):068-079.
* {{Cite journal |last1=Jones |first1=Hugh R A |last2=Pavlenko |first2=Yakiv |last3=Lyubchik |first3=Yuri |last4=Bessell |first4=Mike |last5=Allard |first5=Nicole |last6=Pinfield |first6=David J |date=2023-05-12 |title=A blue depression in the optical spectra of M dwarfs |url=https://academic.oup.com/mnras/article/523/1/1297/7161130 |journal=Monthly Notices of the Royal Astronomical Society |volume=523 |issue=1 |pages=1297–1309 |doi=10.1093/mnras/stad1391 |issn=0035-8711 |doi-access=free}}
* {{Cite journal |last1=Jones |first1=Hugh R A |last2=Pavlenko |first2=Yakiv |last3=Lyubchik |first3=Yuri |last4=Bessell |first4=Mike |last5=Allard |first5=Nicole |last6=Pinfield |first6=David J |date=2023-05-12 |title=A blue depression in the optical spectra of M dwarfs |url=https://academic.oup.com/mnras/article/523/1/1297/7161130 |journal=Monthly Notices of the Royal Astronomical Society |volume=523 |issue=1 |pages=1297–1309 |doi=10.1093/mnras/stad1391 |issn=0035-8711 |doi-access=free}}
* {{Cite journal |last1=Yushchenko |first1=Volodymyr |last2=Gopka |first2=Vira |last3=Yushchenko |first3=Alexander |last4=Demessinova |first4=Aizat |last5=Jeong |first5=Yeuncheol |last6=Pavlenko |first6=Yakiv |last7=Shavrina |first7=Angelina |last8=Musaev |first8=Faig |last9=Alimgazinova |first9=Nazgul |date=October 2024 |title=The Radioactive Elements in the Atmosphere of HD25354—Are They the Result of the Symmetric Decay of the Chemical Elements of the Island of Stability? |journal=Galaxies |language=en |volume=12 |issue=5 |pages=57 |doi=10.3390/galaxies12050057 |issn=2075-4434 |doi-access=free}}
* {{Cite journal |last1=Yushchenko |first1=Volodymyr |last2=Gopka |first2=Vira |last3=Yushchenko |first3=Alexander |last4=Demessinova |first4=Aizat |last5=Jeong |first5=Yeuncheol |last6=Pavlenko |first6=Yakiv |last7=Shavrina |first7=Angelina |last8=Musaev |first8=Faig |last9=Alimgazinova |first9=Nazgul |date=October 2024 |title=The Radioactive Elements in the Atmosphere of HD25354—Are They the Result of the Symmetric Decay of the Chemical Elements of the Island of Stability? |journal=Galaxies |language=en |volume=12 |issue=5 |pages=57 |doi=10.3390/galaxies12050057 |issn=2075-4434 |doi-access=free|bibcode=2024Galax..12...57Y }}


==== Citations ====
==== Citations ====


* {{Cite journal |last=Damasso |first=Mario |last2=Del Sordo |first2=Fabio |last3=Anglada-Escudé |first3=Guillem |last4=Giacobbe |first4=Paolo |last5=Sozzetti |first5=Alessandro |last6=Morbidelli |first6=Alessandro |last7=Pojmanski |first7=Grzegorz |last8=Barbato |first8=Domenico |last9=Butler |first9=R. Paul |last10=Jones |first10=Hugh R. A. |last11=Hambsch |first11=Franz-Josef |last12=Jenkins |first12=James S. |last13=López-González |first13=María José |last14=Morales |first14=Nicolás |last15=Peña Rojas |first15=Pablo A. |date=2020-01-17 |title=A low-mass planet candidate orbiting Proxima Centauri at a distance of 1.5 AU |url=https://www.science.org/doi/10.1126/sciadv.aax7467 |journal=Science Advances |language=en |volume=6 |issue=3 |doi=10.1126/sciadv.aax7467 |issn=2375-2548 |pmc=6962037 |pmid=31998838 |quote=Very recently, Pavlenko et al. analyzed the temporal variations of some chromospheric emission lines from the same HARPS optical spectra of our sample.}}
* {{Cite journal |last1=Damasso |first1=Mario |last2=Del Sordo |first2=Fabio |last3=Anglada-Escudé |first3=Guillem |last4=Giacobbe |first4=Paolo |last5=Sozzetti |first5=Alessandro |last6=Morbidelli |first6=Alessandro |last7=Pojmanski |first7=Grzegorz |last8=Barbato |first8=Domenico |last9=Butler |first9=R. Paul |last10=Jones |first10=Hugh R. A. |last11=Hambsch |first11=Franz-Josef |last12=Jenkins |first12=James S. |last13=López-González |first13=María José |last14=Morales |first14=Nicolás |last15=Peña Rojas |first15=Pablo A. |date=2020-01-17 |title=A low-mass planet candidate orbiting Proxima Centauri at a distance of 1.5 AU |journal=Science Advances |language=en |volume=6 |issue=3 |pages=eaax7467 |doi=10.1126/sciadv.aax7467 |issn=2375-2548 |pmc=6962037 |pmid=31998838 |bibcode=2020SciA....6.7467D |quote=Very recently, Pavlenko et al. analyzed the temporal variations of some chromospheric emission lines from the same HARPS optical spectra of our sample.}}
* {{Cite journal |last=Faria |first=J. P. |last2=Mascareño |first2=A. Suárez |last3=Figueira |first3=P. |last4=Silva |first4=A. M. |last5=Damasso |first5=M. |last6=Demangeon |first6=O. |last7=Pepe |first7=F. |last8=Santos |first8=N. C. |last9=Rebolo |first9=R. |last10=Cristiani |first10=S. |last11=Adibekyan |first11=V. |last12=Alibert |first12=Y. |last13=Allart |first13=R. |last14=Barros |first14=S. C. C. |last15=Cabral |first15=A. |date=February 2022 |title=A candidate short-period sub-Earth orbiting Proxima Centauri |url=https://arxiv.org/abs/2202.05188 |journal=Astronomy & Astrophysics |volume=658 |pages=A115 |doi=10.1051/0004-6361/202142337 |issn=0004-6361}}
* {{Cite journal |last1=Faria |first1=J. P. |last2=Mascareño |first2=A. Suárez |last3=Figueira |first3=P. |last4=Silva |first4=A. M. |last5=Damasso |first5=M. |last6=Demangeon |first6=O. |last7=Pepe |first7=F. |last8=Santos |first8=N. C. |last9=Rebolo |first9=R. |last10=Cristiani |first10=S. |last11=Adibekyan |first11=V. |last12=Alibert |first12=Y. |last13=Allart |first13=R. |last14=Barros |first14=S. C. C. |last15=Cabral |first15=A. |date=February 2022 |title=A candidate short-period sub-Earth orbiting Proxima Centauri |journal=Astronomy & Astrophysics |volume=658 |pages=A115 |doi=10.1051/0004-6361/202142337 |arxiv=2202.05188 |bibcode=2022A&A...658A.115F |issn=0004-6361}}


==== Books ====
==== Books ====


* Novosyadlyj Bohdan, Pelykh Volodymyr, Shtanov Yuri, Zhuk Alexander. {{Cite web |year=2013 |title=Dark energy: observational evidence and theoretical models ( volume 1, in three volumes «Dark energy and dark matter in the Universe») |url=https://www.mao.kiev.ua/biblio/mono/Dark_Matter-1.pdf |website=Publishing House “Akademperiodyka” |language=en-US |doi=10.15407/akademperiodyka.240.380}}
* Novosyadlyj Bohdan, Pelykh Volodymyr, Shtanov Yuri, Zhuk Alexander. {{Cite book |year=2013 |title=Dark energy: observational evidence and theoretical models ( volume 1, in three volumes «Dark energy and dark matter in the Universe») |url=https://www.mao.kiev.ua/biblio/mono/Dark_Matter-1.pdf |website=Publishing House “Akademperiodyka” |language=en-US |doi=10.15407/akademperiodyka.240.380 |editor-last1=Shulga |editor-first1=V. |last1=Novosyadlyj |first1=B. |last2=Pelykh |first2=V. |last3=Shtanov |first3=Yu. |last4=Zhuk |first4=A. |isbn=978-966-360-240-0 }}
* Shulga Valery, Zhdanov Valery, Alexandrov Alexander, Berczik Peter, Pavlenko Elena, Pavlenko Yakiv, Pilyugin Leonid, Tsvetkova Viktoria. {{Cite web |year=2014 |title=Dark matter: Astrophysical aspects of the problem ( volume 2, in three volumes «Dark energy and dark matter in the Universe») |url=https://www.mao.kiev.ua/biblio/mono/Dark_Matter-2.pdf |website=Publishing House “Akademperiodyka” |language=en-US |doi=10.15407/akademperiodyka.253.356}}
* Shulga Valery, Zhdanov Valery, Alexandrov Alexander, Berczik Peter, Pavlenko Elena, Pavlenko Yakiv, Pilyugin Leonid, Tsvetkova Viktoria. {{Cite book |year=2014 |title=Dark matter: Astrophysical aspects of the problem ( volume 2, in three volumes «Dark energy and dark matter in the Universe») |url=https://www.mao.kiev.ua/biblio/mono/Dark_Matter-2.pdf |website=Publishing House “Akademperiodyka” |language=en-US |doi=10.15407/akademperiodyka.253.356 |last1=Shulga |first1=V.M. |last2=Zhdanov |first2=V.І. |last3=Alexandrov |first3=А.N. |isbn=978-966-360-253-0 }}
* Vavilova Irina, Bolotin Yuri, Boyarsky Aleksej, Danevich Fedor, Kobychev Vyacheslav,Tretyak Volodymyr, Babyk Iuri, Iakubovskyi Dmytro, Hnatyk Bohdan, Sergeev Sergej. {{Cite web |year=2015 |title=Dark matter: Observational manifestation and experimental searches (volume 3, in three volumes «Dark energy and dark matter in the Universe») |url=https://www.mao.kiev.ua/biblio/mono/Dark_Matter-3.pdf |website=Publishing House “Akademperiodyka” |language=en-US |doi=10.15407/akademperiodyka.287.356}}
* Vavilova Irina, Bolotin Yuri, Boyarsky Aleksej, Danevich Fedor, Kobychev Vyacheslav,Tretyak Volodymyr, Babyk Iuri, Iakubovskyi Dmytro, Hnatyk Bohdan, Sergeev Sergej. {{Cite book |year=2015 |title=Dark matter: Observational manifestation and experimental searches (volume 3, in three volumes «Dark energy and dark matter in the Universe») |url=https://www.mao.kiev.ua/biblio/mono/Dark_Matter-3.pdf |website=Publishing House “Akademperiodyka” |language=en-US |doi=10.15407/akademperiodyka.287.356 |editor-last1=Shulga |editor-first1=V.M. |last1=Vavilova |first1=I.B. |last2=Bolotin |first2=Yu.L. |last3=Boyarsky |first3=A.M. |last4=Danevich |first4=F.A. |last5=Kobychev |first5=V.V. |last6=Tretyak |first6=V.I. |last7=Babyk |first7=Iu.V. |last8=Iakubovskyi |first8=D.A. |last9=Hnatyk |first9=B.I. |last10=Sergeev |first10=S.G. |isbn=978-966-360-287-5 }}
* [https://www.mao.kiev.ua/biblio/mono/MAO-2024.pdf The Main Astronomy Observatory of the National Academy of Sciences of Ukraine: From the Idea of the Foundation to the international Recognition] (in Ukrainian). Kyiv: Naukova Dumka, 2024. Third ed. (Monography). via ''MAO NASU''
* [https://www.mao.kiev.ua/biblio/mono/MAO-2024.pdf The Main Astronomy Observatory of the National Academy of Sciences of Ukraine: From the Idea of the Foundation to the international Recognition] (in Ukrainian). Kyiv: Naukova Dumka, 2024. Third ed. (Monography). via ''MAO NASU''


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* [http://ukr-vo.org/personalities/index.php?b&6&lit=%CF&idp=406 Yakiv Pavlenko] at ''Ukrainian Virtual Observatory'' ({{Web archive|url=http://web.archive.org/web/20230410182648/http://ukr-vo.org/personalities/index.php?b&6&lit=%CF&idp=406|date=10 April 2023}})
* [http://ukr-vo.org/personalities/index.php?b&6&lit=%CF&idp=406 Yakiv Pavlenko] at ''Ukrainian Virtual Observatory'' ({{Web archive|url=http://web.archive.org/web/20230410182648/http://ukr-vo.org/personalities/index.php?b&6&lit=%CF&idp=406|date=10 April 2023}})
{{Astronomy navbox}}
{{Astronomy navbox}}
{{Astrophysics-stub}}{{Ukrainian-scientist-stub}}


{{DEFAULTSORT:Pavlenko, Yakin}}
{{DEFAULTSORT:Pavlenko, Yakin}}

Latest revision as of 02:41, 4 November 2024

Yakiv Volodymyrovych Pavlenko
Павленко Яків Володимирович
BornJanuary 24, 1954; 70 years ago (1954-01-24)
Makalevichi [uk] Ukraine
DiedOctober 19, 2024(2024-10-19) (aged 70)
Ukraine
NationalityUkrainian
Citizenship UKR
Alma materKyiv University
SpouseOlena Pavlenko [uk]
Childrenone
Awards2009: Prize after Barabashov of the National Academy of Sciences of Ukraine [uk]
2014: State Prize of Ukraine in Science and Technology
2016: Basic Sciense Book Award of the International Academy of Astronautics
Scientific career
Fieldsastrophysics, astronomy
InstitutionsTartu Observatory (Aspirant, 1979—1982)
MAO NASU [uk] (since 1983; Chief Research Fellow, since 2023)
Instituto de Astrofísica de Canarias (Visiting Researh Fellow, since 1989)
University of Hertfordshire (Visiting Researh Fellow, since 2005)
ThesisFormation of lithium lines in atmosheres of late-type stars without LTE (1996)
Notable studentsMykola G. Malygin[1]
Yuri P. Lubchik[2]
Oleksiy M. Ivanyuk[3][4]
Websitemao.kiev.ua/staff/yp/

Yakiv Volodymyrovych Pavlenko ((1954-01-24)24 January 1954 — (2024-10-19)19 October 2024) was a Ukrainian astronomer and astrophysicist, researcher of low-mass stars and exocomets.

Biography

[edit]

He was born in 1954 in Makalevychi [uk] village, Zhytomyr region, Ukraine.[5] Pavlenko graduated from Kyiv University in 1976 with a Master's degree in Astronomy and Physics.[6] He was a student of Mykola Avenirovych Yakovkin, a son of Avenir Aleksandrovich Yakovkin.[7]

Career

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During the period of 1979—1982, Pavlenko was employed as an Aspirant at Tartu Observatory (Estonia), where he received a Candidate of Sciences degree in Astrophysics and Radioastronomy шт 1984.[8][9][10][11]

Starting in 1983, Pavlenko become a permanent employee at the Main Astronomy Observatory of the National Academy of Sciences of Ukraine [uk] (MAO NASU).

Since 1989, Pavlenko has collaborated with the research group on Exoplanets and Astrobiology of the Instituto de Astrofísica de Canarias (IAC).[12][13]

Since 1994, he was a Senior Research Fellow at MAO NASU.

On 3 October 1996, Pavlenko received a Doctor of Science degree in Astrophysics and Radioastronomy at MAO NASU.

Since 2005, Visiting Research Fellow at University of Hertfordshire, UK.[5]

On 16 May 2013, during his annual stay visit at IAC[13], Pavlenko held a seminar talk[14][15] on Molecular Astrophysics.[16][17]

In June 2015, the collaborative research work «The Search for Exoplanets at U.Chile» was presented at ESO Exoplanet Focus Meeting in Vitacura.[18]

Since 2017, Pavlenko headed up the Department of Physics of Substellar and Planetary Systems of MAO NASU.[19]

On 15 January 2020, Mario Damasso and colleges published a paper[20] on the discovery of Proxima Centauri c, the second exoplanet near Proxima Centauri.[21] To exclude fluctuations in spectrum resulted of red dwarf flare activity, Damasso used research work[22] done by Yakiv Pavlenko and other fellows at IAC on analysing spectrography data of HARPS mission.[23][24][25]

Red dwarfs has wide developed convection zones, where magnetic fields are forming. So, for them stellar flares are tipical (by analogy to the flares on Sun). [...] From another side, red dwarfs are low mass objects, thats why their movement is a more sensitive to existience of exoplanets.

— Yakiv Pavlenko, Proxima Centauri could be a home for the second planet [updated], 16 January 2020, https://scienceukraine.com/cosmos/proxima-c-candidate/
Further information: Proxima Centauri c

In April 2022, a paper with the results of exocomets research and discovery of 5 new exocomets,[26] written by Pavlenko together with few other fellows at MAO NASU, was published in Astronomy & Astrophysics journal.[27][28]

External image
image icon Yakiv Pavlenko during his stay at the Instituto de Astrofísica de Canarias (IAC) (Fall 2022)

During 1 September — 25 November 2022, Pavlenko visited IAC devoted to model the atmospheres of brown dwarf and exoplanets objects.[13][29]

On 22 March 2023, Pavlenko become Chief Research Fellow at the Department of Physics of Substellar and Planetary Systems of MAO NASU.[30] Same year, Pavlenko joined the «Science At Risk!» project as an expert.[31]

Science at Risk is a digital platform and community of Ukrainian scientists suffering from Russia's military aggression. We are telling the world how Ukrainian scientists and institutions are coping with the challenges of war and accumulating unique expertise in crisis management. And we also help donors, journalists, foreign scientists and other interested parties to establish contacts with Ukrainian specialists.

— Science At Risk!, About us, https://scienceatrisk.org/about

In July 2024, at the International scientific conference «Main Astronomical Observatory of the National Academy of Sciences of Ukraine — 1944 and beyond. Impact of international cooperation.», commemorated to the 80th Anniversary of MAO NASU, Pavlenko presented results of his research work, done together with British astrophysicists, on spectral analysis of the Proxima Centauri.[32][33][34]

External image
image icon Obituary (21 October 2024)

On 21 October 2024, Yaroslav Yatskiv [uk] published obituary on MAO NASU site, revealing Yakiv Pavlenko has passed away on 19 October 2024, at age of 70.[35]

During the career, Yakiv Pavlenko published more than 300 papers[36], was a participant of dozens of international meetings, schools and oral talks[16], was a lecturer[37], adviser[38][39][40] and examiner[41], participied in few international programs and received grants from FP (2009—2013) and a scholarship from MSCA4Ukraine[5][31][42], was one of editors at the Kinematics and Physics of Celestial Bodies [uk] journal[43][44][45].

Personal life

[edit]

Yakiv Pavlenko is survived by his wife Olena Pavlenko [uk], Ukrainan[46][47] and Russian[48] astrophysicist, and their mutual daughter.[5]

Fields of interests

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Programs

[edit]

Pavlenko curated two European programs of the 7th research program at MAO NASU[29]:

  • RoPACS — Rocky Planets Around Cool Stars (2009—2012)[49][50][51]
  • POSTAGBinGALAXIES — Evolved Stars: clues to the chemical evolution of galaxies (2010—2013)[52]

Membership

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Awards

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Quotes

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  • “I use definition of molecular astrophysics to describe complex of tools and procedures used to determine the spectroscopic properties of molecules.”[13]
  • “We cannot get any reliable results of late type stars, brown dwarfs and exoplanets’ spectra without account of molecular opacities.”[13]
  • “The study of very high quality molecular lines requires the development of large international projects to calculate perfect molecular data such as HITRAN and EXOMOL.”[13]

Yakiv Pavlenko in own talks and lectures often cited[63][64][65][66] the introduction sentence from Virginia Trimble and Roger A. Bell's 1981 paper, claiming it as his favourite quote:

Astronomy often progresses amoeba-like; the advance in one pseudopod may not move the animal very far, but permits other parts to advance in their turn and can reveal portions of the organism that are in danger of being left behind.

— Trimble, V. ; Bell, R. A., Spectroscopic Determination of Stellar Masses: Mene, Mene, Tekel, Arcturus, Q.Jl R.astr.Soc. (1981) 22, 361-379.

Publications

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  • Pavlenko, Yakiv V. (25 December 2022). Curriculum Vitae (TXT). via MAO NASU
  • Яцків, Я. С. "Павленко Яків Володимирович". Енциклопедія Сучасної України (in Ukrainian).
  • "Павленко Яків Володимирович". irbis-nbuv.gov.ua.
  • "Yakiv V. Pavlenko". www.webofscience.com.
  • M.R. Zapareto Osorio, V. J. S. Bejar, Ya. Pavlenko, R.Rebolo, C. Allende Prieto, E.L. Martin and R.J. Garcia Lopez. Lithium and Ha in stars and brown dwarfs of a Orions. Astronomy & Astrophysics. – 2002. – Vol.384. – P.937-953.
  • Pavlenko Ya.V., Vavilova I. B., Kostiuk T. Astronomy in Ukraine. Organizations and Strategies in Astronomy. – 2006. – Springer-Verlag. – V.7. – P.121-146.
  • Pavlenko, Ya. V.; Vavilova, I. B.; Kostiuk, T. Astronomy in Ukraine. In: Organizations and Strategies in Astronomy, Volume 7, Ed. André Heck, Volume 343 of the Astrophysics and Space Science Library, Springer, Dordrecht, The Netherlands, 2006 (chapter, p.71-96).
  • Shavrina AV, Pavlenko Ya.V, Veles' OA, Sheminova VA, Syniavskyi II, Sosonkin MG, Romanyuk Ya.O, Eremenko NA, Ivanov Yu.S, Monsar OA, et al. Tropospheric ozone columns and ozone profiles for Kyiv in 2007. Kosm. nauka tehnol. 2008 ;14(5):085-094.arXiv:1003.1211
  • Shavrina AV, Kroon M, Sheminova VA, Pavlenko Ya.V, Veles' OA, Syniavskyi II, Romanyuk Ya.O. Total columns and vertical profiles of ozone above Kyiv in 2005‒2008. Kosm. nauka tehnol. 2010 ;16(4):03-12.arXiv:1007.4694
  • James S. Jenkins, Hugh R.A. Jones, Mikko Tuomi, Felipe Murgas, Sergio Hoyer et al. (Jul, 2012). A Hot Uranus Orbiting the Super Metal-rich Star HD77338 and the Metallicity - Mass Connection. Astrophys.J. 766 (2013) 67. doi:10.1088/0004-637X/766/2/67
  • James S. Jenkins, Hugh R.A. Jones, Matias I. Jones, Mikko Tuomi, Yakiv Pavlenko, Patricio Rojo, Nestor Becerra, David Pinfield, John R. Barnes, Oleksiy Ivanyuk, Andres Jordan, Maria-Teresa Ruiz, Sebastian Lopez, Matias Diaz, Blake Pantoja, Maritza Soto, and Aurora Aguayo. The Search for Exoplanets at U.Chile. ESO Exoplanet Focus Meeting, Vitacura, June 2015.
  • Pavlenko, Ya V.; Mascareno, A. Suarez; Rebolo, R.; Lodieu, N.; Bejar, V. J. S.; Hernandez, J. I. Gonzalez (2017-06-14), "Flare activity and photospheric analysis of Proxima Centauri", Astronomy & Astrophysics, 606: A49, arXiv:1706.04678, Bibcode:2017A&A...606A..49P, doi:10.1051/0004-6361/201730733
  • Pavlenko, Ya. V.; Suárez Mascareño, A.; Zapatero Osorio, M. R.; Rebolo, R.; Lodieu, N.; Béjar, V. J. S.; González Hernández, J. I.; Mohorian, M. (January 2019). "Temporal changes of the flare activity of Proxima Centauri". Astronomy & Astrophysics. 626: A111. arXiv:1905.07347. Bibcode:2019A&A...626A.111P. doi:10.1051/0004-6361/201834258. ISSN 0004-6361.
  • Mogoryan, Maxym ; Pavlenko, Yakiv. Proxima Centauri and Its Planetary System. Svitohlyad, 2018. 4(72):30–33. ISSN 1819-7329
  • Vasylenko M., Pavlenko Ya., Dobrycheva D., Kulyk I., Shubina O., Korsun P. The algorithm for automatic identification of asymmetric transits in the TESS database. Proceedings IAU Symposium No. 364, C. Sterken, J. Hearnshaw & D. Valls-Gabaud, eds.
  • Pavlenko, Yakiv V., Tennyson, Jonathan, Yurchenko, Sergei N.,. Schmidt, Mirek R., Jones, Hugh R. A., Lyubchik, Yuri,. Suárez Mascareño, A. 2022. AlH lines in the blue spectrum. of Proxima Centauri. Monthly Notices of the Royal Astronomical Society,. Volume 516, Issue 4, pp.5655-567. doi:10.48550/arXiv.2209.03037
  • Pavlenko, Y. V. ; Rebolo, R. ; Martin, E. L. ; Garcia Lopez, R. J.. Formation of lithium lines in very cool dwarfs. Astronomy & Astrophysics, v.303, p.807–818.
  • Pavlenko, Y. V.; Evans, A.; Banerjee, D. P. K.; Geballe, T. R.; Munari, U.; Gehrz, R. D.; Woodward, C. E.; Starrfield, S.. Isotopic ratios in the red giant component of the recurrent nova T Coronae Borealis. Monthly Notices of the Royal Astronomical Society, Volume 498, Issue 4, pp.4853–4863.
  • Pavlenko, Ya.; Kulyk, I.; Shubina, O.; Vasylenko, M.; Dobrycheva, D.; Korsun, P. (April 2022). "New exocomets of β Pic". Astronomy & Astrophysics. 660: A49. arXiv:2202.13373. Bibcode:2022A&A...660A..49P. doi:10.1051/0004-6361/202142111. ISSN 0004-6361.
  • Pavlenko, Y. V. (December 2022). "Quantitative Analysis of the Spectrum of HD 108564". Kinematics and Physics of Celestial Bodies. 38 (6): 316–327. Bibcode:2022KPCB...38..316P. doi:10.3103/S0884591322060058. ISSN 0884-5913.
  • Dobrycheva D.V., Vasylenko M.Yu., Kulyk I.V., Pavlenko Ya.V., Shubina O.S., Luk’yanyk I.V., Korsun P.P.. Hunting for exocomet transits in the TESS database using the Random Forest method. Space Science and Technology. 2023 ;29(6):068-079.
  • Jones, Hugh R A; Pavlenko, Yakiv; Lyubchik, Yuri; Bessell, Mike; Allard, Nicole; Pinfield, David J (2023-05-12). "A blue depression in the optical spectra of M dwarfs". Monthly Notices of the Royal Astronomical Society. 523 (1): 1297–1309. doi:10.1093/mnras/stad1391. ISSN 0035-8711.
  • Yushchenko, Volodymyr; Gopka, Vira; Yushchenko, Alexander; Demessinova, Aizat; Jeong, Yeuncheol; Pavlenko, Yakiv; Shavrina, Angelina; Musaev, Faig; Alimgazinova, Nazgul (October 2024). "The Radioactive Elements in the Atmosphere of HD25354—Are They the Result of the Symmetric Decay of the Chemical Elements of the Island of Stability?". Galaxies. 12 (5): 57. Bibcode:2024Galax..12...57Y. doi:10.3390/galaxies12050057. ISSN 2075-4434.

Citations

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Books

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Video

[edit]

See also

[edit]

References

[edit]
  1. ^ "The Determination of Atomic Abundances in Solar-Type Stars" (PDF) (Manuscript). Kyiv. 2011.
  2. ^ "Захищені дисертації аспірантів". mao.kiev.ua. Любчик Юрій Петрович, дисертація «Моделювання спектрів зір пізніх спектральних класів», 01.03.02 - астрофізика, радіоастрономія. Захист відбувся 26 квітня 2002 р., науковий керівник Павленко Я.В., відділ фізики зір та галактик.
  3. ^ "Загальний астрофізичний семінар". mao.kiev.ua. 9 November 2023. Представлення дисертації на здобуття наукового ступеня кандидата фізико-математичних наук за спеціальністю 01.03.02 – астрофізика, радіоастрономія.
  4. ^ Облікова картка дисертації (Dissertation card). dir.ukrintei.ua. 15 March 2024.
  5. ^ a b c d e Pavlenko, Yakiv V. (25 December 2022). "CURRICULUM VITAE" (TXT). mao.kiev.ua/staff/yp (CV).
  6. ^ "Випускники – Кафедра астрономії та фізики космосу" (in Ukrainian). Retrieved 2024-10-29.
  7. ^ Лозицький, В.Г. (25–29 May 2015). "М.А. Яковкін — талановитий вчений, вчитель і наставник (до 100-річчя з дня народження)". Астрономія та фізика космосу в Київському університеті [Astronomy and Space Physics at Kyiv University] (PDF) (in Ukrainian). p. 15.
  8. ^ Pavlenko, Ya.V. (1983). "Эффекты отклонения от условий локального термодинамического равновесия в атмосферах М-гигантов". fizmathim.com (Manuscript). Kyiv: MAO NASU.
  9. ^ Pavlenko, Ya.V. (1984). "Эффекты отклонения от ЛТР в атмосферах М-гигантов". www.etera.ee (Monography) (in Russian). Tallin: Valgus. Retrieved 2024-10-29.
  10. ^ Pavlenko, Ya. V. (1984). "Departures from LTE in the atmospheres of M giants". Tartu Astrofuusika Observatoorium Teated. 70: 1. Bibcode:1984TarOT..70....1P.
  11. ^ Pavlenko, Ia. V. (1990). "Departure from LTE and lithium abundance in stellar atmospheres. II. M giants of different luminosity and metallicity". Kinematika I Fizika Nebesnykh Tel. 6: 58–62. Bibcode:1990KFNT....6...58P. ISSN 0233-7665.
  12. ^ "Substellar - Group Members". research.iac.es. Retrieved 2024-10-29.
  13. ^ a b c d e f "Yakiv Pavelenko: "OSIRIS is a very useful instrument for the investigation of low mass late-type hosting stars and exoplanets which cannot be observed directly"". Instituto de Astrofísica de Canarias. 2016-12-14. Retrieved 2024-10-29.
  14. ^ Pavlenko, Yakiv (2 April 2018). Molecular Astrophysics (Video). IAC Astrofísica – via YouTube.
  15. ^ "IACTalks: Molecular Astrophysics". research.iac.es. Retrieved 2024-10-29.
  16. ^ a b Pavlenko, Yakiv (16 May 2013). "Molecular Astrophysics". Instituto de Astrofísica de Canarias. We discuss the role and significance of molecules in the modern astrophysics.
  17. ^ "Yakiv Pavlenko". research.iac.es. Retrieved 2024-10-29.
  18. ^ James S. Jenkins, Hugh R.A. Jones, Matias I. Jones, Mikko Tuomi, Yakiv Pavlenko, Patricio Rojo, Nestor Becerra, David Pinfield, John R. Barnes, Oleksiy Ivanyuk, Andres Jordan, Maria-Teresa Ruiz, Sebastian Lopez, Matias Diaz, Blake Pantoja, Maritza Soto, and Aurora Aguayo. The Search for Exoplanets at U.Chile. ESO Exoplanet Focus Meeting, Vitacura, June 2015.
  19. ^ "Історична довідка". mao.kiev.ua. Retrieved 2024-10-29.
  20. ^ Damasso, Mario; Del Sordo, Fabio; Anglada-Escudé, Guillem; Giacobbe, Paolo; Sozzetti, Alessandro; Morbidelli, Alessandro; Pojmanski, Grzegorz; Barbato, Domenico; Butler, R. Paul; Jones, Hugh R. A.; Hambsch, Franz-Josef; Jenkins, James S.; López-González, María José; Morales, Nicolás; Peña Rojas, Pablo A. (2020-01-17). "A low-mass planet candidate orbiting Proxima Centauri at a distance of 1.5 AU". Science Advances. 6 (3): eaax7467. Bibcode:2020SciA....6.7467D. doi:10.1126/sciadv.aax7467. ISSN 2375-2548. PMC 6962037. PMID 31998838. Very recently, Pavlenko et al. analyzed the temporal variations of some chromospheric emission lines from the same HARPS optical spectra of our sample.
  21. ^ "A new super-Earth may orbit the star next door". Science. 2020-01-15. Retrieved 2024-10-29.
  22. ^ Pavlenko, Ya. V.; Suárez Mascareño, A.; Zapatero Osorio, M. R.; Rebolo, R.; Lodieu, N.; Béjar, V. J. S.; González Hernández, J. I.; Mohorian, M. (June 2019). "Temporal changes of the flare activity of Proxima Centauri". Astronomy & Astrophysics. 626: A111. arXiv:1905.07347. Bibcode:2019A&A...626A.111P. doi:10.1051/0004-6361/201834258. ISSN 0004-6361.
  23. ^ "Проксима Центавра може бути домом для другої планети [оновлено]". scienceukraine.com (in Ukrainian). 16 January 2020. Archived from the original on 2020-09-23. Автори використали наші результати, отримані у співпраці з групою вчених з Інституту астрофізики на Канарських о-вах, для того, щоб відкинути можливість пояснення довгоперіодичної варіації параметрів спектру Проксими явищами зоряної активності.
  24. ^ "Проксима Центавра може бути домівкою для ще однієї землеподібної планети". www.old.nas.gov.ua (in Ukrainian). Retrieved 2024-10-29.
  25. ^ "New Tricks from Old Data: Texas Astronomer Uses 25-year-old Hubble Data to Confirm Planet Proxima Centauri c". McDonald Observatory. Retrieved 2024-10-29.
  26. ^ Pavlenko, Ya.; Kulyk, I.; Shubina, O.; Vasylenko, M.; Dobrycheva, D.; Korsun, P. (April 2022). "New exocomets of β Pic". Astronomy & Astrophysics. 660: A49. arXiv:2202.13373. Bibcode:2022A&A...660A..49P. doi:10.1051/0004-6361/202142111. ISSN 0004-6361.
  27. ^ Lewis, Briley. "Ukrainian Astronomers Discover 'Exocomets' around Another Star". Scientific American. Retrieved 2024-10-28.
  28. ^ Prostak, Sergio (2022-04-18). "Ukrainian Astronomers Spot Five New Exocomets around Beta Pictoris | Sci.News". Sci.News: Breaking Science News. Retrieved 2024-10-28.
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  32. ^ "International scientific conference "Main Astronomical Observatory of the National Academy of Sciences of Ukraine – 1944 and beyond. Impact of international cooperation" dedicated to the 80th anniversary of the Observatory". mao.kiev.ua (Program). Kyiv. July 2024. Yakiv Pavlenko (Department for Physics of Sub-stellar and Planetary Systems, MAO NAS of Ukraine, Kyiv, Ukraine), [...]. Observed Phenomena of Predissociation of High Levels of the ALH Molecule in Spectrum of Proxima Centauri
  33. ^ "Астрономія в Україні : зоряне небо і зіркові команди – Газета "Світ"". svit.kpi.ua (in Ukrainian). Kyiv Polytechnic Institute. Retrieved 2024-10-28. Завідувач відділу фізики субзоряних та планетарних систем ГАО Яків Павленко у своїй науковій доповіді представив результати спільного з британськими й іспанськими колегами дослідження щодо спектрального аналізу Проксими Центавра — найближчої до нашого Сонця зорі.
  34. ^ "First announcement". www.mao.kiev.ua. Retrieved 2024-10-29.
  35. ^ Yatskiv, Yaroslav (21 October 2024). "In Memoriam". MAO NANU (Obituary). Пам'яті Якова Володимировича ПАВЛЕНКА
  36. ^ Pavlenko, Yakiv. "ORCID". orcid.org. Retrieved 2024-10-29. (0000-0002-7615-4028)
  37. ^ "Викладачі". mao.kiev.ua. Retrieved 2024-10-29. Дисципліни:"Еволюція зір і фізика зоряних атмосфер"
  38. ^ "«Хочу бути астрофізиком»: Дар'я Заремба з Донецька кинула успішне навчання у Могилянці заради науки". Свої.City (in Ukrainian). Retrieved 2024-10-29. Яків Павленко, дуже авторитетний у зоряній астрофізиці, подивився і сказав, що все правильно, запросив до себе, сказав, що бачить у мені потенціал, запропонував копати глибше.
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  41. ^ ВІДОМОСТІ про самооцінювання освітньої програми (In Ukrainian). Kyiv University, 5 October 2021.
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  47. ^ Pavlenko, O.P. (15 October 2010). "Cataclysmic variables and related binary stars with low mass ratio of the components" (PDF). mao.kiev.ua (Manuscript.). A dissertation submitted for a Doctor Degree Thesis. Speciality 01.03.02 Astrophysics, radioastronomy.
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  51. ^ "Searching for new planets: the EU-funded ROPACS project gets underway". CORDIS | European Commission. Retrieved 2024-10-29.
  52. ^ "Evolved stars: clues to the chemical evolution of galaxies". CORDIS. European Commission. POSTAGBINGALAXIES. Grant agreement ID: 269193.
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  55. ^ "Про присудження Державних премій України в галузі науки і техніки 2014 року". Офіційний вебпортал парламенту України (in Ukrainian). Retrieved 2024-10-28.
  56. ^ "Державні / Відомчі нагороди". mao.kiev.ua. Retrieved 2024-10-29.
  57. ^ "Basic Science Book Award". International Academy of Astronautics. 27 November 2019.
  58. ^ "IAA Basic Science Book Award". mao.kiev.ua. Retrieved 2024-10-29.
  59. ^ "Dark energy and dark matter in the Universe : in three volumes". old.nas.gov.ua. Retrieved 2024-10-29.
  60. ^ Shulga Valery, Zhdanov Valery, Alexandrov Alexander, Berczik Peter, Pavlenko Elena, Pavlenko Yakiv, Pilyugin Leonid, Tsvetkova Viktoria. Shulga, V.M.; Zhdanov, V.І.; Alexandrov, А.N. (2014). Dark matter: Astrophysical aspects of the problem ( volume 2, in three volumes «Dark energy and dark matter in the Universe») (PDF). doi:10.15407/akademperiodyka.253.356. ISBN 978-966-360-253-0. {{cite book}}: |website= ignored (help)
  61. ^ "Міжнародна академія астронавтики нагородила українських учених за найкращу книгу в галузі фундаментальних наук". www.old.nas.gov.ua (in Ukrainian). Retrieved 2024-10-29.
  62. ^ "Українське видання стало «Найкращою книгою в галузі фундаментальних наук»". Читомо (in Ukrainian). 2016-12-19. Retrieved 2024-10-29.
  63. ^ Pavlenko, Yakiv V.. Theoretical modelling of optical and IR spectra of brown dwarfs and ultracool dwarfs. Ultralow-mass star formation and evolution workshop. La Palma: Instituto de Astrofísica de Canarias, 28 June — 1 July 2005. (Slides). 3pp.
  64. ^ Pavlenko, Yakiv V.. Brown Dwarfs and Planets: 13 years of spectrocopic studies of substellar objects. (Slides). 5pp.
  65. ^ Pavlenko, Yakiv V. (2019-03-16). "Model atmospheres and specra of hydef giants and peculiar stars". SlideServe.
  66. ^ Pavlenko, Y.V. (18 June 2021). Isotopes in stars (MP4). Instituto de Astrofísica de Canarias. Timestamp: 00:42:00.
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