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
- 1 2 3 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: 02h 04m 34.36s, +25° 24′ 53″
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