HD 5319 b

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
Distance370 ± 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
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

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

References

  1. 1 2 3 4 5 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 Robinson, Sarah E.; et al. (2007). "Two Jovian-Mass Planets in Earthlike Orbits". The Astrophysical Journal 670 (2): 1391–1400. arXiv:0708.0832. Bibcode:2007ApJ...670.1391R. doi:10.1086/522106.

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


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