HD 125612 b

HD 125612 b
Exoplanet List of exoplanets
Parent star
Star HD 125612
Constellation Virgo
Right ascension (α) 14h 20m 53.517s[1]
Declination (δ) –17° 28′ 53.49″[1]
Apparent magnitude (mV) 8.31
Distance180 ± 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, United States
Discovery status Published[3]
Database references
Extrasolar Planets
Encyclopaedia		data
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

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. 1 2 3 4 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. 1 2 3 4 5 6 7 8 9 10 11 12 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. arXiv:1411.7048. Bibcode:2010A&A...512A..48L. doi:10.1051/0004-6361/200913523.
  3. 1 2 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.
  • "HD 125612". Exoplanets.

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


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