HD 5319 b

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HD 5319 b
Exoplanet List of exoplanets
Parent star
Star HD 5319
Constellation Cetus
Right ascension (α) 00h 55m 01.40s[1]
Declination (δ) +00° 47′ 22.4″[1]
Apparent magnitude (mV) 8.05
Distance 370 ± 40[1] ly
(110 ± 10[1] pc)
Spectral type K0III
Orbital elements
Semi-major axis (a) 1.74 AU
(260 Gm)
    17.4 mas
Periastron (q) 1.53 AU
(229 Gm)
Apastron (Q) 1.95 AU
(292 Gm)
Eccentricity (e) 0.12
Orbital period (P) 669.37 d
(1.8326 y)
Argument of
periastron
(ω) 103 ± 14°
Time of periastron (T0) 2,453,163 ± 30 JD
Semi-amplitude (K) 39.4 m/s
Physical characteristics
Minimum mass (m sin i) 1.94 MJ
(617 M)
Discovery information
Discovery date January 11, 2007
Discoverer(s) Robinson et al.[2]
Discovery method Doppler spectroscopy
Discovery site California & Carnegie
Planet Search
Discovery status Published[2]
Database references
Extrasolar Planets
Encyclopaedia
data
SIMBAD data
Exoplanet Archive data
Open Exoplanet Catalogue data

HD 5319 b is a gas giant exoplanet approximately 370 light years away[1] in the constellation of Cetus. This planet has a minimum mass nearly two times more than Jupiters. The planet has an almost circular orbit, ranging from 1.53 to 1.95 AU with a period of 1.8 years.[2]

See also[edit]

References[edit]

  1. ^ a b c d e van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. Bibcode:2007A&A...474..653V. arXiv:0708.1752Freely accessible. doi:10.1051/0004-6361:20078357. Vizier catalog entry
  2. ^ a b c Robinson, Sarah E.; et al. (2007). "Two Jovian-Mass Planets in Earthlike Orbits". The Astrophysical Journal. 670 (2): 1391–1400. Bibcode:2007ApJ...670.1391R. arXiv:0708.0832Freely accessible. doi:10.1086/522106. 

Coordinates: Sky map 00h 55m 01.4005s, +00° 47′ 22.392″