HD 152079 b
Exoplanet | List of exoplanets | |
---|---|---|
Parent star | ||
Star | HD 152079 | |
Constellation | Ara | |
Right ascension | (α) | 16h 53m 29.735s[1] |
Declination | (δ) | –46° 19′ 58.64″[1] |
Apparent magnitude | (mV) | 9.18 |
Distance | approx. 270[1] ly (approx. 80[1] pc) | |
Spectral type | G6V | |
Mass | (m) | 1.023 M☉ |
Metallicity | [Fe/H] | 0.16 |
Orbital elements | ||
Semi-major 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.[2] | |
Discovery method | Doppler spectroscopy | |
Discovery site | Las Campanas Observatory | |
Discovery status | Published[2] | |
Other designations | ||
Database references | ||
Extrasolar Planets Encyclopaedia | data | |
SIMBAD | data | |
Exoplanet Archive | data | |
Open Exoplanet Catalogue | data |
This planet is an eccentric Jupiter gas giant discovered by the Magellan Planet Search Program in 2010.[2]
References
- 1 2 3 4 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.Vizier catalog entry
- 1 2 3 Arriagada, Pamela; et al. (2010). "Five Long-period Extrasolar Planets in Eccentric orbits from the Magellan Planet Search Program". The Astrophysical Journal. 711 (2): 1229–35. arXiv:1001.4093. Bibcode:2010ApJ...711.1229A. doi:10.1088/0004-637X/711/2/1229.
Coordinates: 16h 53m 29.74s, −46° 19′ 58.6″
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