HD 152079 b

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
Distanceapprox. 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
CD46°11085 b, HIP 82632 b
Database references
Extrasolar Planets
Encyclopaedia		data
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

This planet is an eccentric Jupiter gas giant discovered by the Magellan Planet Search Program in 2010.[2]

References

  1. 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
  2. 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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