HD 12661 c
From Infogalactic: the planetary knowledge core
| 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
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02h 04m 34.36s, +25° 24′ 53″
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