HD 142 b

HD 142 b
Discovery
Discovered byAnglo-Australian Planet Search team[1]
Discovery siteAustralian Astronomical Observatory[1]
Discovery dateOct 15, 2001
Doppler spectroscopy
Orbital characteristics
1.02 ± 0.03 AU (152,600,000 ± 4,500,000 km)[2]
Eccentricity0.17 ± 0.06[2]
349.7 ± 1.2[2] d
Inclination59°±7°[3]
2,452,683 ± 26[2]
327 ± 26[2]
Semi-amplitude33.2 ± 2.5[2]
StarHD 142
Physical characteristics
Mass7.1±1.0 MJ[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. ^ a b c Tinney, C. G.; et al. (2002). "Two Extrasolar Planets from the Anglo-Australian Planet Search". The Astrophysical Journal. 571 (1): 528–531. arXiv:astro-ph/0111255. Bibcode:2002ApJ...571..528T. doi:10.1086/339916.
  2. ^ a b c d e f Wittenmyer, Robert A.; et al. (2012). "The Anglo-Australian Planet Search. XXII. Two New Multi-planet Systems". The Astrophysical Journal. 753 (2). 169. arXiv:1205.2765. Bibcode:2012ApJ...753..169W. doi:10.1088/0004-637X/753/2/169.
  3. ^ a b c Gaia Collaboration; et al. (2022). "Gaia Data Release 3: Stellar multiplicity, a teaser for the hidden treasure". arXiv:2206.05595 [astro-ph.SR].



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