Extrasolar planet | List of extrasolar planets | |
---|---|---|
Parent star | ||
Star | HD 152079 | |
Constellation | Ara | |
Right ascension | (α) | 16h 53m 29.74s |
Declination | (δ) | –46° 19′ 58.6″ |
Apparent magnitude | (mV) | 9.18 |
Distance | 277.8 ± 33.6 ly (85.17 ± 10.30 pc) |
|
Spectral type | G6V | |
Mass | (m) | 1.023 M☉ |
Metallicity | [Fe/H] | 0.16 |
Orbital elements | ||
Semimajor axis | (a) | 3.2 ± 2.1 AU (480 ± 310 Gm) |
38 mas | ||
Periastron | (q) | 1.3 AU (190 Gm) |
Apastron | (Q) | 5.1 AU (770 Gm) |
Eccentricity | (e) | 0.60 ± 0.24 |
Orbital period | (P) | 2097 ± 930 d (5.74 ± 2.55 y) |
Orbital speed | (υ) | 17 km/s |
Argument of periastron |
(ω) | 325 ± 37° |
Time of periastron | (T0) | 24553193 ± 260 JD |
Semi-amplitude | (K) | 58 ± 8 m/s |
Physical characteristics | ||
Minimum mass | (m sin i) | 3 ± 2 MJ |
Discovery information | ||
Discovery date | January 26, 2010 | |
Discoverer(s) | Arriagada et al. | |
Detection method | Doppler spectroscopy | |
Discovery site | Las Campanas Observatory | |
Discovery status | Published | |
Other designations | ||
Database references | ||
Extrasolar Planets Encyclopaedia |
data | |
SIMBAD | data |
This planet is a eccentric Jupiter gas giant discovered by the Magellan Planet Search Program in 2010.[1]