HD 125612 b

HD 125612 b

Exoplanet		List of exoplanets
Parent star
Star		HD 125612
Constellation		Virgo
Right ascension	(α)	14^h 20^m 53.517^s[1]
Declination	(δ)	–17° 28′ 53.49″[1]
Apparent magnitude	(mV)	8.31
Distance		180 ± 10[1] ly (54 ± 3[1] pc)
Spectral type		G3V[2]
Mass	(m)	1.091 ± 0.027[2] M☉
Radius	(r)	1.05 ± 0.08 R☉
Temperature	(T)	5900 ± 18[2] K
Metallicity	[Fe/H]	0.23 ± 0.014[2]
Age		<3[2] Gyr
Orbital elements
Semi-major axis	(a)	1.37[2] AU
Eccentricity	(e)	0.46 ± 0.01[2]
Orbital period	(P)	559.4 ± 1.3[2] d
Argument of periastron	(ω)	41.5 ± 1.7[2]°
Time of periastron	(T0)	2,454,894.9 ± 2.5[2] JD
Semi-amplitude	(K)	79.8 ± 2.3[2] m/s
Physical characteristics
Minimum mass	(m sin i)	3.0[2] MJ
Discovery information
Discovery date		April 10, 2007
Discoverer(s)		Fischer et al.
Discovery method		Radial velocity
Discovery site		California, USA
Discovery status		Published[3]
Database references
Extrasolar Planets Encyclopaedia		data
SIMBAD		data
Exoplanet Archive		data
Open Exoplanet Catalogue		data

HD 125612 b is an extrasolar planet which orbits the G-type main sequence star HD 125612, located approximately 180 light years away in the constellation Virgo. This planet was detected by radial velocity and published on April 10, 2007.^[3]

References

1. van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
2. 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.
3. Fischer, Debra A.; et al. (2007). "Five Intermediate-Period Planets from the N2K Sample". The Astrophysical Journal 669 (2): 1336–1344. arXiv:0704.1191. Bibcode:2007ApJ...669.1336F. doi:10.1086/521869.

External links

• "HD 125612". Exoplanets.

Coordinates: 14^h 20^m 53.5147^s, −17° 28′ 53.475″