Psi8 Aurigae

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Psi8 Aurigae
Auriga constellation map.svg
Red circle.svg
Location of ψ8 Aurigae (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Auriga
Right ascension  06h 53m 57.074s[1]
Declination +38° 30′ 18.06″[1]
Apparent magnitude (V) 6.443±0.010[2]
Spectral type B9.5p[3]
Apparent magnitude (J) 6.471±0.034[4]
Apparent magnitude (H) 6.532±0.036[4]
Apparent magnitude (K) 6.514±0.018[4]
Proper motion (μ) RA: −0.58±0.49[1] mas/yr
Dec.: −28.04±0.32[1] mas/yr
Parallax (π)4.36 ± 0.45[1] mas
Distanceapprox. 750 ly
(approx. 230 pc)
Luminosity134.86[5] L
Temperature9878[5] K
Rotational velocity (v sin i)40[6] km/s
Other designations
61 Aurigae, BD+38° 1638, HD 50204, HIP 33133, HR 2547, SAO 59589.[2]
Database references

Psi8 Aurigae8 Aur, ψ8 Aurigae) is a star in the northern constellation of Auriga, it has a apparent visual magnitude of 6.443[2] and, based upon parallax measurements, they are approximately 750 light-years (230 parsecs) distant from the Earth.[1]

The spectrum of the star matches a stellar classification of B9.5p[3]


  1. ^ a b c d e f 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. ^ a b c "* psi08 Aur". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2012-08-24.
  3. ^ a b Cowley, A.; et al. (1969). "A study of the bright stars. I. A catalogue of spectral classifications". The Astronomical Journal. 74: 375–406. Bibcode:1969AJ.....74..375C. doi:10.1086/110819.
  4. ^ a b c Skrutskie, M. F.; et al. (2006). "The Two Micron All Sky Survey (2MASS)". The Astronomical Journal. 131 (2): 1163–1183. Bibcode:2006AJ....131.1163S. doi:10.1086/498708.Vizier catalog entry
  5. ^ a b McDonald, I.; et al. (2012). "Fundamental parameters and infrared excesses of Hipparcos stars". Monthly Notices of the Royal Astronomical Society. 427 (1): 343–357. arXiv:1208.2037. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x.Vizier catalog entry
  6. ^ Abt, Helmut A.; et al. (2002). "Rotational Velocities of B Stars". The Astrophysical Journal. 573 (1): 359–365. Bibcode:2002ApJ...573..359A. doi:10.1086/340590.

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