HD 38529

HD 38529 (also named HR 1988 ) is a binary star located at approximately 138 light-years in the Constellation of Orion.

HD 38529 HAS

HD 38529 has is a yellow Under-giantess, which was also classified Naine yellow of spectral Type G4V. It is 40% more massive than our Sun. Two exoplanètes are in orbit around it, HD 38529 Ab , a gas giantess of 0,78 mass jovienne to 0,129 astronomical Unité and HD 38529 ac , a brown Naine of 12,7 to 37 masses jovienne.

HD 38529 B

HD 38529 B is dwarf a red of the type M3.0V which orbits with 12.042 UA.

English references

http://www.journals.uchicago.edu/ApJ/journal/issues/ApJ/v551n2/52326/brief/52326.abstract.html|author=Fischer, D., Marcy, G., Butler, R., Vogt, S., Frink, S., Apps, K., Planetary Companions to HD 12661, HD 92788, and HD 38529 and Variations in Keplerian Residuals off Extrasolar Planets, The Astrophysical Newspaper, volume=551, 2001, pages=1107-1118
http://www.journals.uchicago.edu/ApJ/journal/issues/ApJ/v586n2/57020/57020.html, Fischer and Al, has Planetary Companion to HD 40979 and Additional Planets Orbiting HD 12661 and HD 38529, The Astrophysical Journal, volume=586, 2003, pages=1394-1408
http://www.edpsciences.org/articles/aa/abs/2006/14/aa4611-05/aa4611-05.html|author=Reffert, S., Quirrenbach, A., Hipparcos astrometric orbits for two brown dwarf companions: HD 38529 and HD 168443, Astronomy and Astrophysics, volume=449, 2006, pages 699-702
Raghavan, D. and Al (2006). " Two Suns in The Sky: Stellar Multiplicity in Exoplanet Systems" (preprint)

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