HD 125612 c

HD 125612 c
Extrasolar planet List of extrasolar planets
Parent star
Star HD 125612
Constellation Virgo
Right ascension (α) 14h 20m 53.5147s
Declination (δ) –17° 28′ 53.475″
Apparent magnitude (mV) 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) 0.052[1] AU
Eccentricity (e) 0.27 ± 0.12[1]
Orbital period (P) 4.1547 ± 0.0005[1] d
Argument of
periastron
(ω) 103 ± 23[1]°
Time of periastron (T0) 2,454,420.17 ± 0.23[1] JD
Semi-amplitude (K) 7.2 ± 1.2[1] m/s
Physical characteristics
Minimum mass (m sin i) 0.058[1] MJ
Discovery information
Discovery date October 19, 2009
Discoverer(s) Segransan et al.
Detection method Radial velocity (HARPS)
Discovery site La Silla Observatory
Discovery status Published[1]
Database references
Extrasolar Planets
Encyclopaedia
data
SIMBAD data

HD 125612 c 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 HARPS on October 19, 2009, together with 29 other planets, including HD 125612 d.

References

  1. ^ a b c d e f g h i j k l m 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. Bibcode 2010A&A...512A..48L. doi:10.1051/0004-6361/200913523. 

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