HD 73256: Difference between revisions
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[[Category:Hipparcos objects|042214]] |
[[Category:Hipparcos objects|042214]] |
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[[Category:Pyxis (constellation)]] |
[[Category:Pyxis (constellation)]] |
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[[Category:Planetary systems]] |
[[Category:Planetary systems with one confirmed planet]] |
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[[Category:Durchmusterung objects]] |
[[Category:Durchmusterung objects]] |
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[[Category:Objects with variable star designations|Pyxidis, CS]] |
[[Category:Objects with variable star designations|Pyxidis, CS]] |
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Revision as of 00:15, 13 February 2020
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Pyxis |
| Right ascension | 08h 36m 23.016s[1] |
| Declination | −30° 02′ 15.45″[1] |
| Apparent magnitude (V) | 8.08 |
| Characteristics | |
| Spectral type | G8/K0V |
| Astrometry | |
| Proper motion (μ) | RA: −180.11±0.35[1] mas/yr Dec.: 66.81±0.47[1] mas/yr |
| Parallax (π) | 26.48 ± 0.64 mas[1] |
| Distance | 123 ± 3 ly (37.8 ± 0.9 pc) |
| Details | |
| Mass | 1.01±0.03[2] M☉ |
| Radius | 0.94±0.02[2] R☉ |
| Luminosity | 0.74±0.01[2] L☉ |
| Surface gravity (log g) | 4.49±0.03[2] cgs |
| Temperature | 5532±36[2] K |
| Age | 2.5±2.3[2] Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 73256, also known as CS Pyxidis, is a star located approximately 123 light years away in the constellation Pyxis. The spectral type is G8/K0V with a radius 0.94 times, luminosity 0.74 times and a mass 1.01 times that of the Sun. It is thought to be about a billion years old.[3][2][1]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | >1.87 ± 0.49 MJ | 0.037 | 2.54858 ± 0.00016 | 0.029 ± 0.02 | — | — |
See also
References
- ^ a b c d e f van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
- ^ a b c d e f g Bonfanti, A.; et al. (2015). "Revising the ages of planet-hosting stars". Astronomy and Astrophysics. 575. A18. arXiv:1411.4302. Bibcode:2015A&A...575A..18B. doi:10.1051/0004-6361/201424951.
- ^ a b Udry, S.; et al. (2003). "The CORALIE survey for southern extra-solar planets X. A Hot Jupiter orbiting HD 73256". Astronomy and Astrophysics. 407 (2): 679–684. arXiv:astro-ph/0304248. Bibcode:2003A&A...407..679U. doi:10.1051/0004-6361:20030815.
External links
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