Gliese 179 b

Gliese 179 b (also known as HIP 22627 b) is an extrasolar planet which orbits the M-type main sequence star Gliese 179, located approximately 40 light years away in the constellation Orion. This planet has a minimum mass a little bit less than Jupiter and it orbits at 2.41 AU or 361 Gm from the star with an eccentricity slightly less than Pluto. The planetary distance ranges from 1.90 to 2.92 AU. This planet was discovered by using radial velocity method from spectrograph taken at Keck Observatory on November 13, 2009.

Gliese 179 b

Discovery
Discovered by	Howard et al.
Discovery site	Keck Observatory
Discovery date	November 13, 2009
Detection method	Radial velocity
Orbital characteristics
Semi-major axis	2.41±0.04 AU
Eccentricity	0.21±0.08
Orbital period	2288±59 d
Time of periastron	25140±104
Argument of periastron	153±24
Semi-amplitude	33.9±6.6
Star	Gliese 179

See also

Other planets that were discovered or confirmed on November 13, 2009:

• HD 34445 b
• HD 126614 Ab
• HD 24496 Ab
• HD 13931 b
• QS Virginis b

Related giant planets around red dwarfs:

• HIP 79431 b
• Gliese 849 b
• Gliese 876 b
• Gliese 876 c
• Gliese 317 b
• Gliese 832 b

References

• Jean Schneider (2011). "Notes for Planet Gl 179 b". Extrasolar Planets Encyclopaedia. Retrieved 29 September 2011.