HD 38529 b

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
Distance138.397 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
periastron
(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
Encyclopaedia
data
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

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]

Notes

  1. 1 2 3 4 5 6 7 Parameters from the 2-companion solution (table 12). Including the unconfirmed third companion yields slightly different parameters.

References

  1. 1 2 3 4 5 6 7 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.
  2. 1 2 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.

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


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