HD 12661 c

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HD 12661 c
Exoplanet List of exoplanets
Parent star
Star HD 12661
Constellation Aries
Right ascension (α) 02h 04m 34.29s
Declination (δ) +25° 24′ 51.5″
Apparent magnitude (mV) 7.43
Distance 114 ± 2 ly
(35.0 ± 0.7 pc)
Spectral type G6V
Mass (m) 1.07 M
Radius (r) 1.12 R
Temperature (T) 5742 K
Metallicity [Fe/H] 0.293
Age 7.05 Gyr
Orbital elements
Semi-major axis (a) 2.56 AU
Eccentricity (e) 0.031 ± 0.022
Orbital period (P) 1708 ± 14 d
Argument of
periastron
(ω) 38°
Time of periastron (T0) 2,452,130 ± 330 JD
Semi-amplitude (K) 29.27 ± 0.88 m/s
Physical characteristics
Minimum mass (m sin i) 1.57 MJ
Discovery information
Discovery date April 1, 2003
Discoverer(s) Fischer et al.[1]
Discovery method Radial velocity
Discovery site California & Carnegie
Planet Search

 USA
Discovery status Published[1]
Database references
Extrasolar Planets
Encyclopaedia
data
SIMBAD data
Exoplanet Archive data
Open Exoplanet Catalogue data

HD 12661 c is a giant exoplanet one and a half times the mass of Jupiter orbiting around HD 12661.[1]

References[edit]

  1. ^ a b c Fischer, Debra A.; et al. (2003). "A Planetary Companion to HD 40979 and Additional Planets Orbiting HD 12661 and HD 38529". The Astrophysical Journal. 586 (2): 1394–1408. Bibcode:2003ApJ...586.1394F. doi:10.1086/367889. 

Coordinates: Sky map 02h 04m 34.36s, +25° 24′ 53″