HD 12661 b

HD 12661 b
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
Distance114 ± 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) 0.834 ± 0.048 AU
Eccentricity (e) 0.361 ± 0.011
Orbital period(P) 262.53 ± 0.27 d
Argument of
periastron
(ω) 296.3±2.6°
Time of periastron (T0) 2,450,214.1 ± 2.9 JD
Semi-amplitude (K) 74.19 ± 0.85 m/s
Physical characteristics
Mass(m)>2.34 ± 0.19 MJ
Discovery information
Discovery date April 4, 2001
Discoverer(s) Fischer et al.
Discovery method Radial velocity
Discovery site California & Carnegie
Planet Search

 USA
Discovery status Published
Database references
Extrasolar Planets
Encyclopaedia
data
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

HD 12661 b is a giant exoplanet two and a half times the mass of Jupiter orbiting around the star HD 12661.[1]

References

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


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