HD 125612 c

HD 125612 c

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)	0.052[2] AU
Eccentricity	(e)	0.27 ± 0.12[2]
Orbital period	(P)	4.1547 ± 0.0005[2] d
Argument of periastron	(ω)	103 ± 23[2]°
Time of periastron	(T0)	2,454,420.17 ± 0.23[2] JD
Semi-amplitude	(K)	7.2 ± 1.2[2] m/s
Physical characteristics
Minimum mass	(m sin i)	0.058[2] MJ
Discovery information
Discovery date		October 19, 2009
Discoverer(s)		Segransan et al.
Discovery method		Radial velocity (HARPS)
Discovery site		La Silla Observatory
Discovery status		Published[2]
Database references
Extrasolar Planets Encyclopaedia		data
SIMBAD		data
Exoplanet Archive		data
Open Exoplanet Catalogue		data

HD 125612 c is an extrasolar planet which orbits the G-type main sequence star HD 125612, located approximately 180 light years away in the constellation Virgo.^[2] This planet was detected by HARPS on October 19, 2009, together with 29 other planets, including HD 125612 d.

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.

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