HD 2039 b

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HD 2039 b
Extrasolar planet List of extrasolar planets
Parent star
Star HD 2039
Constellation Phoenix
Right ascension (α) 00h 24m 20.278s[1]
Declination (δ) −56° 39′ 00.17″[1]
Distance 330 ± 30[1] ly
(103 ± 10[1] pc)
Spectral type G2/G3 IV-V
Orbital elements
Semimajor axis (a) 2.19 ± 0.2 AU
Eccentricity (e) 0.68 ± 0.15
Orbital period (P) 1192.582 ± 150 d
Argument of
periastron
(ω) 223°
Time of periastron (T0) 2449645.48 ± 150 JD
Physical characteristics
Minimum mass (m sin i) 4.85 ± 1.7 MJ
Discovery information
Discovery date 2002
Discoverer(s) Tinney, Butler, Marcy
Discovery method Doppler Spectroscopy
Discovery status Published

HD 2039 b is an extrasolar planet orbiting the star HD 2039. It is almost five times as massive as Jupiter and has a very eccentric orbit.[2][3]

References[edit]

  1. ^ a b c d 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
  2. ^ Tinney, C. G. et al. (2003). "Four New Planets Orbiting Metal-enriched Stars". The Astrophysical Journal 587 (1): 423–428. arXiv:astro-ph/0207128. Bibcode:2003ApJ...587..423T. doi:10.1086/368068. 
  3. ^ Butler, R. P. et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal 646 (1): 505–522. arXiv:astro-ph/0607493. Bibcode:2006ApJ...646..505B. doi:10.1086/504701. 

External links[edit]

Coordinates: Sky map 00h 24m 20.2778s, −56° 39′ 00.171″