HD 142 b
Exoplanet | List of exoplanets | |
---|---|---|
Parent star | ||
Star | HD 142 | |
Constellation | Phoenix[1] | |
Right ascension | (α) | 00h 06m 19.18s[2] |
Declination | (δ) | –49° 04′ 30.7″[2] |
Distance | 83.9 ± 0.8[2] ly (25.7 ± 0.2[2] pc) | |
Spectral type | F7V | |
Orbital elements | ||
Semi-major axis | (a) | 1.02 ± 0.03[3] AU |
Eccentricity | (e) | 0.17 ± 0.06[3] |
Orbital period | (P) | 349.7 ± 1.2[3] d |
Argument of periastron |
(ω) | 327 ± 26[3]° |
Time of periastron | (T0) | 2,452,683 ± 26[3] JD |
Semi-amplitude | (K) | 33.2 ± 2.5[3] m/s |
Physical characteristics | ||
Minimum mass | (m sin i) | 1.25 ± 0.15[3] MJ |
Discovery information | ||
Discovery date | Oct 15, 2001 | |
Discoverer(s) | Anglo-Australian Planet Search team[4] | |
Discovery method | Doppler spectroscopy | |
Discovery site | Australian Astronomical Observatory[4] | |
Discovery status | Published[4] |
HD 142 b is a jovian exoplanet approximately 84 light years away[2] in the constellation of Phoenix. This planet was discovered in 2001 by the Anglo-Australian Planet Search team.[4]
References
- ↑ Roman, Nancy G. (1987). "Identification of a Constellation From a Position". Publications of the Astronomical Society of the Pacific. 99 (617): 695–699. Bibcode:1987PASP...99..695R. doi:10.1086/132034. Vizier query form
- 1 2 3 4 5 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
- 1 2 3 4 5 6 7 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.
- 1 2 3 4 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.
External links
- "HD 142 b". The Extrasolar Planets Encyclopaedia.
- "HD 142". Open Exoplanet Catalogue. Retrieved 2014-09-08.
Coordinates: 00h 06m 19.1755s, −49° 04′ 30.688″
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