HD 142 b

From Wikipedia, the free encyclopedia
Jump to: navigation, search
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[edit]

  1. ^ 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
  2. ^ a b c d e van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752free to read. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.  Vizier catalog entry
  3. ^ a b c d e f g Wittenmyer, Robert A.; et al. (2012). "The Anglo-Australian Planet Search. XXII. Two New Multi-planet Systems". The Astrophysical Journal. 753 (2). 169. arXiv:1205.2765free to read. Bibcode:2012ApJ...753..169W. doi:10.1088/0004-637X/753/2/169. 
  4. ^ a b c d 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/0111255free to read. Bibcode:2002ApJ...571..528T. doi:10.1086/339916. 

External links[edit]

  • "HD 142 b". The Extrasolar Planets Encyclopaedia. 
  • "HD 142". Open Exoplanet Catalogue. Retrieved 2014-09-08. 

Coordinates: Sky map 00h 06m 19.1755s, −49° 04′ 30.688″