HD 81040 b

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HD 81040 b
Extrasolar planet List of extrasolar planets
Parent star
Star HD 81040
Constellation Leo
Right ascension (α) 09h 23m 47.0873s
Declination (δ) +20° 21′ 52.034″
Apparent magnitude (mV) 7.72
Distance 106.2 ± 4.27 ly
(32.56 ± 1.31 pc)
Spectral type G2/G3
Orbital elements
Semimajor axis (a) 1.94 AU
Eccentricity (e) 0.526 ± 0.042
Orbital period (P) 1001.7 ± 7 d
Time of periastron (T0) 2452504 ± 12 JD
Semi-amplitude (K) 168 ± 9 m/s
Physical characteristics
Minimum mass (m sin i) 6.86 ± 0.71 MJ
Discovery information
Discovery date November 24, 2005
Discoverer(s) Sozzetti et al.[1]
Discovery method Doppler Spectroscopy
Discovery site Observatoire de Haute-Provence
in France
Discovery status Published[1]
Database references
Extrasolar Planets
Encyclopaedia
data
SIMBAD data

HD 81040 b is a massive, gas giant planet that orbits the star HD 81040. The period is just over 1000 days. It has semimajor axis of 1.94 AU. However, the orbit is extremely eccentric, little over 0.5 in value.[1]

See also[edit]

References[edit]

  1. ^ a b c Sozzetti, A. et al. (2006). "A massive planet to the young disc star HD 81040". Astronomy and Astrophysics 449 (1): 417–424. arXiv:astro-ph/0511679. Bibcode:2006A&A...449..417S. doi:10.1051/0004-6361:20054303. 

Coordinates: Sky map 09h 23m 47.0873s, +20° 21′ 52.034″