HD 38529 b

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 a gas giant.^[1]

HD 38529 b

Discovery
Discovered by	Fischer et al.[1]
Discovery site	United States
Discovery date	July 5, 2000
Detection method	Doppler Spectroscopy
Orbital characteristics
Semi-major axis	0.131 ± 0.0015 AU (19,600,000 ± 220,000 km)[2][note 1]
Eccentricity	0.248 ± 0.007[2][note 1]
Orbital period (sidereal)	14.3104 ± 0.0002[2][note 1] d
Time of periastron	2,450,020.19 ± 0.08[2][note 1]
Argument of periastron	95.9 ± 1.7[2][note 1]
Semi-amplitude	59.17 ± 0.42[2][note 1]
Star	HD 38529 A

Notes

1. Parameters from the 2-companion solution (table 12). Including the unconfirmed third companion yields slightly different parameters.

References

1. Fischer, Debra A.; et al. (2001). "Planetary Companions to HD 12661, HD 92788, and HD 38529 and Variations in Keplerian Residuals of Extrasolar Planets". The Astrophysical Journal. 551 (2): 1107–1118. Bibcode:2001ApJ...551.1107F. doi:10.1086/320224.
2. Benedict, G. Fritz; et al. (2010). "The Mass of HD 38529c from Hubble Space Telescope Astrometry and High-precision Radial Velocities". The Astronomical Journal. 139 (5): 1844–1856. arXiv:1003.0421. Bibcode:2010AJ....139.1844B. doi:10.1088/0004-6256/139/5/1844. S2CID 119178163.

External links