HD 125612 b

HD 125612 b
Parent star
Extrasolar planet		List of extrasolar planets
Star		HD 125612
Constellation		Virgo
Right ascension	(α)	14^h 20^m 53.5147^s
Declination	(δ)	–17° 28′ 53.475″
Apparent magnitude	(m_V)	8.31
Distance		172.28 ly (52.82 pc)
Spectral type		G3V^[1]
Mass	(m)	1.091 ± 0.027^[1] M_☉
Radius	(r)	1.05 ± 0.08 R_☉
Temperature	(T)	5900 ± 18^[1] K
Metallicity	[Fe/H]	0.23 ± 0.014^[1]
Age		<3^[1] Gyr
Orbital elements
Semimajor axis	(a)	1.37^[1] AU
Eccentricity	(e)	0.46 ± 0.01^[1]
Orbital period	(P)	559.4 ± 1.3^[1] d
Argument of periastron	(ω)	41.5 ± 1.7^[1]°
Time of periastron	(T₀)	2,454,894.9 ± 2.5^[1] JD
Semi-amplitude	(K)	79.8 ± 2.3^[1] m/s
Physical characteristics
Minimum mass	(m sin i)	3.0^[1] M_J
Discovery information
Discovery date		April 10, 2007
Discoverer(s)		Fischer et al.
Detection method		Radial velocity
Discovery site		California, USA
Discovery status		Published^[2]
Database references
Extrasolar Planets Encyclopaedia		data
SIMBAD		data

HD 125612 b is an extrasolar planet which orbits the G-type main sequence star HD 125612, located approximately 172 light years away in the constellation Virgo. This planet was detected by radial velocity and published on April 10, 2007.^[2]

References

^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l Lo Curto, G. et al. (2010). "The HARPS search for southern extra-solar planets. XXII. Multiple planet systems from the HARPS volume limited sample". Astronomy and Astrophysics 512: A48. Bibcode 2010A&A...512A..48L. doi:10.1051/0004-6361/200913523.
^ ^a ^b Fischer et al.; Vogt, Steven S.; Marcy, Geoffrey W.; Butler, R. Paul; Sato, Bun’ei; Henry, Gregory W.; Robinson, Sarah; Laughlin, Gregory et al. (2007). "Five Intermediate-Period Planets from the N2K Sample". The Astrophysical Journal 669 (2): 1336–1344. Bibcode 2007ApJ...669.1336F. doi:10.1086/521869. http://www.iop.org/EJ/article/0004-637X/669/2/1336/71774.html.