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Psi6 Aurigae

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For other star systems with this Bayer designation, see Psi Aurigae.
Psi6 Aurigae
Observation data
Epoch J2000      Equinox J2000
Constellation Auriga
Right ascension 06h 47m 39.6s[1]
Declination +48° 47′ 22″[1]
Apparent magnitude (V) +5.22[2]
Distance360 ± 15 ly
(111 ± 5[1] pc)
Spectral typeK0 III[3]
Other designations
57 Aurigae, BD+48 1436, FK5 1176, HD 48781, HIP 32562, HR 2487, SAO 41346.[4]

Psi6 Aurigae (ψ6 Aur, ψ6 Aurigae) is the Bayer designation for a spectroscopic binary[5] star in the northern constellation of Auriga. It is a dim, naked eye star with an apparent visual magnitude of +5.22.[2] Based upon a measured annual parallax shift of 9.05 ± 0.38 mas,[1] it is approximately 360 light-years (110 parsecs) distant from the Earth. The visible component is a K-type giant star with a stellar classification of K0 III.[3] It has an orbiting companion with a period of 5,996 days (16.4 years) and an eccentricity of 0.044.[5]

References

  1. ^ a b c d van Leeuwen, Floor (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752v1, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357. Note: see VizieR catalogue I/311.
  2. ^ a b Argue, A. N. (1966), "UBV photometry of 550 F, G and K type stars", Monthly Notices of the Royal Astronomical Society, 133: 475–493, Bibcode:1966MNRAS.133..475A, doi:10.1093/mnras/133.4.475.{{citation}}: CS1 maint: unflagged free DOI (link)
  3. ^ a b Roman, Nancy G. (July 1952), "The Spectra of the Bright Stars of Types F5-K5", Astrophysical Journal, 116: 122, Bibcode:1952ApJ...116..122R, doi:10.1086/145598.
  4. ^ "57 Aur -- Star", SIMBAD Astronomical Database, Centre de Données astronomiques de Strasbourg, retrieved 2012-08-24.
  5. ^ a b Griffin, R. F. (February 2010), "Spectroscopic binary orbits from photoelectric radial velocities - Paper 210: Psi2 Aurigae and 34 Pegasi", The Observatory, 130 (1): 17–32, Bibcode:2010Obs...130...17G.


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