HD 101930 b

HD 101930 b
Exoplanet List of exoplanets
Parent star
Star HD 101930
Constellation Centaurus
Right ascension (α) 11h 43m 30.11s[1]
Declination (δ) –58° 00′ 24.79″[1]
Distance95 ± 2[1] ly
(29.2 ± 0.7[1] pc)
Spectral type K1V
Orbital elements
Semi-major axis(a) 0.302 AU
Periastron (q) 0.077 AU
Apastron (Q) 0.335 AU
Eccentricity (e) 0.11 ± 0.02
Orbital period(P) 70.46 ± 0.18 d
(0.1929 y)
Orbital speed (υ) 46.8 km/s
Argument of
periastron		 (ω) 251 ± 11°
Time of periastron (T0) 2,453,145.0 ± 2.0 JD
Semi-amplitude (K) 18.1 ± 0.4 m/s
Physical characteristics
Mass(m)>0.30 MJ
(>95 M⊕)
Discovery information
Discovery date 14 February 2005
Discoverer(s) Lovis, Mayor,
Pepe et al.[2]
Discovery method Doppler spectroscopy
(HARPS)
Discovery site La Silla Observatory
Discovery status Published[2]
Other designations
GJ 3683 b, HIP 57172 b
Database references
Extrasolar Planets
Encyclopaedia		data
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

HD 101930 b is an extrasolar planet orbiting the star HD 101930. It has a minimum mass a third of Jupiter's, nearly the same as Saturn's so it is thought to be a gas giant. It orbits the star closer than Mercury, and the orbit is slightly eccentric.[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 Lovis, C.; et al. (2005). "The HARPS search for southern extra-solar planets III. Three Saturn-mass planets around HD 93083, HD 101930 and HD 102117". Astronomy and Astrophysics. 437 (3): 1121–1126. arXiv:astro-ph/0503660. Bibcode:2005A&A...437.1121L. doi:10.1051/0004-6361:20052864.
  • "HD 101930". Exoplanets.

Coordinates: 11h 43m 30.11s, −58° 00′ 24.793″


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