HD 38529 b

From Wikipedia, the free encyclopedia
Jump to: navigation, search
HD 38529 b
Exoplanet List of exoplanets
Parent star
Star HD 38529 A
Constellation Orion
Right ascension (α) 05h 46m 34.9120s
Declination (δ) +01° 10′ 05.496″
Apparent magnitude (mV) 5.94
Distance 138.397 ly
(42.433 pc)
Spectral type G4V
Orbital elements
Semi-major axis (a) 0.131 ± 0.0015[1][note 1] AU
Eccentricity (e) 0.248 ± 0.007[1][note 1]
Orbital period (P) 14.3104 ± 0.0002[1][note 1] d
Argument of
(ω) 95.9 ± 1.7[1][note 1]°
Time of periastron (T0) 2,450,020.19 ± 0.08[1][note 1] JD
Semi-amplitude (K) 59.17 ± 0.42[1][note 1] m/s
Physical characteristics
Minimum mass (m sin i) 0.92 ± 0.043[1][note 1] MJ
Discovery information
Discovery date July 5, 2000
Discoverer(s) Fischer et al.[2]
Discovery method Doppler Spectroscopy
Discovery site  United States
Discovery status Published
Database references
Extrasolar Planets
Exoplanet Archive data
Open Exoplanet Catalogue data

HD 38529 b is an extrasolar planet approximately 138 light years away in the constellation of Orion. This planet was discovered in 2000. Because of its mass, it is likely that it is a gas giant.[2]


  1. ^ a b c d e f g Parameters from the 2-companion solution (table 12). Including the unconfirmed third companion yields slightly different parameters.


External links[edit]

Coordinates: Sky map 05h 46m 34.9120s, +01° 10′ 05.496″