HD 125612

HD 125612
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Virgo
Right ascension 14h 20m 53.5147s
Declination –17° 28′ 53.475″
Apparent magnitude (V) 8.31[1]
Characteristics
Spectral type G3V[1]
Apparent magnitude (B) 8.92
Apparent magnitude (J) 7.179
Apparent magnitude (H) 6.950
Apparent magnitude (K) 6.838
B−V color index 0.59
Variable type none
Astrometry
Radial velocity (Rv) −18.4 km/s
Proper motion (μ) RA: –64.47 mas/yr
Dec.: –65.64 mas/yr
Parallax (π) 18.93 ± 1.40 mas
Distance 170 ± 10 ly
(53 ± 4 pc)
Absolute magnitude (MV) 4.72
Details
Mass 1.091 ± 0.027[1] M
Radius 1.05 ± 0.08[1] R
Surface gravity (log g) 4.41 ± 0.05[1]
Luminosity 1.09[1] L
Temperature 5900 ± 18[1] K
Metallicity [Fe/H] = 0.23 ± 0.014[1]
Age <3[1] Gyr
Other designations
BD-16˚ 3844, HIP 70123, GSC 06143-01696, SAO 158501
Database references
SIMBAD data
NStED data
Extrasolar Planets
Encyclopaedia
data

HD 125612 is a yellow main sequence star located approximately 172 light years away in the constellation Virgo. It is rich in heavy elements and has three known planets in orbit around it.

The HD 125612 system[1]
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity
c >0.058 MJ 0.05 4.1547 ± 0.0005 0.27 ± 0.12
b >3.0 MJ 1.37 559.4 ± 1.3 0.46 ± 0.01
d >7.2 MJ 4.2 3008 ± 202 0.28 ± 0.12

See also

References

  1. ^ a b c d e f g h i j 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: 14h 20m 53.5147s, −17° 28′ 53.475″