Astronomy:HD 142 b
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Short description: Extrasolar planet in the constellation of Phoenix
| Discovery | |
|---|---|
| Discovered by | Anglo-Australian Planet Search team[1] |
| Discovery site | Australian Astronomical Observatory[1] |
| Discovery date | Oct 15, 2001 |
| Doppler spectroscopy | |
| Orbital characteristics | |
| 1.02 ± 0.03 AU (152,600,000 ± 4,500,000 km)[2] | |
| Eccentricity | 0.17 ± 0.06[2] |
| Orbital period | 349.7 ± 1.2[2] d |
| Inclination | 59°±7°[3] |
| astron|astron|helion}} | 2,452,683 ± 26[2] |
| 327 ± 26[2] | |
| Semi-amplitude | 33.2 ± 2.5[2] |
| Star | HD 142 |
| Physical characteristics | |
| Mass | 7.1±1.0 Jupiter mass[3] |
HD 142 b is a jovian exoplanet approximately 85.5 light years away in the constellation of Phoenix. This planet was discovered in 2001 by the Anglo-Australian Planet Search team.[1]
An astrometric measurement of the planet's inclination and true mass was published in 2022 as part of Gaia DR3.[3]
References
- ↑ 1.0 1.1 1.2 Tinney, C. G. et al. (2002). "Two Extrasolar Planets from the Anglo-Australian Planet Search". The Astrophysical Journal 571 (1): 528–531. doi:10.1086/339916. Bibcode: 2002ApJ...571..528T.
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 Wittenmyer, Robert A. et al. (2012). "The Anglo-Australian Planet Search. XXII. Two New Multi-planet Systems". The Astrophysical Journal 753 (2): 169. doi:10.1088/0004-637X/753/2/169. Bibcode: 2012ApJ...753..169W.
- ↑ 3.0 3.1 3.2 Gaia Collaboration; et al. (2022). "Gaia Data Release 3: Stellar multiplicity, a teaser for the hidden treasure". arXiv:2206.05595 [astro-ph.SR].
External links
- "HD 142 b". Extrasolar Planets Encyclopaedia. http://exoplanet.eu/planet.php?p1=HD+142&p2=b. Retrieved 2008-07-27.
- "HD 142". Open Exoplanet Catalogue. http://www.openexoplanetcatalogue.com/system.html?id=HD+142+A+b.
Coordinates: 
00h 06m 19.1755s, −49° 04′ 30.688″
es:HD 142#HD 142 b
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