HD 74156 b

HD 74156 b

Discovery
Discovered by	Dominique Naef, Michel Mayor et al.[1]
Discovery site	California
Discovery date	Apr 4, 2001[2]
Detection method	Radial velocity
Orbital characteristics
Semi-major axis	0.2916±0.0033 AU
Eccentricity	0.6380±0.0061[3]
Orbital period (sidereal)	51.6385±0.0015[3] d
Time of periastron	2450793.39±0.11[3]
Argument of periastron	175.35±0.92[3]
Semi-amplitude	109.1±1.6[3]
Star	HD 74156

HD 74156 b is an extrasolar planet at least 1.88 times the mass of Jupiter that orbits the star HD 74156. It is most likely a gas giant. This planet was discovered in April 2001 by Dominique Naef and Michel Mayor along with the second planet HD 74156 c.^[2][1]

References

1. Naef, Dominique; Mayor, Michel; Beuzit, Jean-Luc; Perrier, Christian; Queloz, Didier; Sivan, Jean-Pierre; Udry, Stéphane (2004). "The ELODIE survey for northern extra-solar planets. III. Three planetary candidates detected with ELODIE" (PDF). Astronomy and Astrophysics. 414 (1): 351–359. arXiv:astro-ph/0310261. Bibcode:2004A&A...414..351N. doi:10.1051/0004-6361:20034091. S2CID 16603563.
2. "Exoplanets: The Hunt Continues!" (Press release). Garching, Germany: European Southern Observatory. April 4, 2001. Retrieved December 27, 2012.
3. Feng, Y. Katherina; et al. (2015). "The California Planet Survey IV: A Planet Orbiting the Giant Star HD 145934 and Updates to Seven Systems with Long-period Planets". The Astrophysical Journal. 800 (1). 22. arXiv:1501.00633. Bibcode:2015ApJ...800...22F. doi:10.1088/0004-637X/800/1/22. S2CID 56390823.

External links