HD 74156 c

HD 74156 c
Discovery
Discovered by	Naef, Mayor et al.
Discovery site	California
Discovery date	Apr 4, 2001
Detection method	Radial velocity
Orbital characteristics
Semi-major axis	3.820±0.044 AU
Eccentricity	0.3829±0.0080
Orbital period (sidereal)	2448.9±5.5 d
Time of periastron	2448559±15
Argument of periastron	268.9±1.6
Semi-amplitude	112.6±1.3
Star	HD 74156

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

References[]

^ ^a ^b 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.
^ ^a ^b "Exoplanets: The Hunt Continues!" (Press release). Garching, Germany: European Southern Observatory. April 4, 2001. Retrieved December 27, 2012.
^ ^a ^b ^c 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.

Coordinates: 08^h 42^m 25.1222^s, +04° 34′ 41.151″

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[Naef2004-1] 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.

[eso0114-2] "Exoplanets: The Hunt Continues!" (Press release). Garching, Germany: European Southern Observatory. April 4, 2001. Retrieved December 27, 2012.

[Feng2015-3] 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.

[1]

[2]

[3]

Discovery
Discovered by	Naef, Mayor et al.^[1]
Discovery site	California
Discovery date	Apr 4, 2001^[2]
Detection method	Radial velocity
Orbital characteristics
Semi-major axis	3.820±0.044 AU
Eccentricity	0.3829±0.0080
Orbital period (sidereal)	2448.9±5.5 d
Time of periastron	2448559±15^[3]
Argument of periastron	268.9±1.6^[3]
Semi-amplitude	112.6±1.3^[3]
Star	HD 74156