6 Aurigae

6 Aurigae is a star in the constellation Auriga. Its apparent magnitude is 6.48.

6 Aurigae
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Auriga
Right ascension  05h 00m 23.214s[1]
Declination +39° 39′ 16.76″[1]
Apparent magnitude (V) 6.48[2]
Characteristics
Evolutionary stage red giant or supergiant
Spectral type K5III, K4I[3]
U−B color index +2.01[2]
B−V color index +1.71[2]
Astrometry
Radial velocity (Rv)-23.9[4] km/s
Proper motion (μ) RA: 1.065[1] mas/yr
Dec.: -2.826[1] mas/yr
Parallax (π)2.7647 ± 0.0763[1] mas
Distance1,180 ± 30 ly
(362 ± 10 pc)
Details
Mass1.17[5] M☉
Radius77[6] R☉
Luminosity1,300[6] L☉
Surface gravity (log g)0.78[5] cgs
Temperature3,928[6] K
Metallicity [Fe/H]-0.10[5] dex
Other designations
BD+39°1134, HD 31780, HIP 23268, HR 1602, SAO 57560[7]
Database references
SIMBADdata

References
  1. Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  2. Oja, T. (1984). "UBV photometry of stars whose positions are accurately known". Astronomy and Astrophysics Supplement Series. 57: 357. Bibcode:1984A&AS...57..357O.
  3. Skiff, B. A. (2014). "VizieR Online Data Catalog: Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016)". VizieR On-line Data Catalog: B/Mk. Originally Published in: Lowell Observatory (October 2014). 1. Bibcode:2014yCat....1.2023S.
  4. Evans, D. S. (June 20–24, 1966). "The Revision of the General Catalogue of Radial Velocities". In Batten, Alan Henry; Heard, John Frederick (eds.). Determination of Radial Velocities and their Applications, Proceedings from IAU Symposium no. 30. University of Toronto: International Astronomical Union. Bibcode:1967IAUS...30...57E.
  5. Anders, F.; Khalatyan, A.; Chiappini, C.; Queiroz, A. B.; Santiago, B. X.; Jordi, C.; Girardi, L.; Brown, A. G. A.; Matijevič, G.; Monari, G.; Cantat-Gaudin, T.; Weiler, M.; Khan, S.; Miglio, A.; Carrillo, I.; Romero-Gómez, M.; Minchev, I.; De Jong, R. S.; Antoja, T.; Ramos, P.; Steinmetz, M.; Enke, H. (2019). "Photo-astrometric distances, extinctions, and astrophysical parameters for Gaia DR2 stars brighter than G = 18". Astronomy and Astrophysics. 628: A94. arXiv:1904.11302. Bibcode:2019A&A...628A..94A. doi:10.1051/0004-6361/201935765.
  6. Messineo, M.; Brown, A. G. A. (2019). "A Catalog of Known Galactic K-M Stars of Class I Candidate Red Supergiants in Gaia DR2". The Astronomical Journal. 158: 20. arXiv:1905.03744. Bibcode:2019AJ....158...20M. doi:10.3847/1538-3881/ab1cbd.
  7. "6 Aurigae, HD31780, HIP23268, HR1602 - Universe Guide". Retrieved 24 October 2018.
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