6 Aurigae

6 Aurigae
Observation data; Epoch J2000.0 Equinox J2000.0
Constellation	Auriga
Right ascension	05h 00m 23.214s
Declination	+39° 39′ 16.76″
Apparent magnitude (V)	6.48
Characteristics
Evolutionary stage	red giant or supergiant
Spectral type	K5III, K4I
U−B color index	+2.01
B−V color index	+1.71
Astrometry
Radial velocity (Rv)	-23.9 km/s
Proper motion (μ)	RA: 1.065 mas/yr ; Dec.: -2.826 mas/yr
Parallax (π)	2.7647 ± 0.0763 mas
Distance	1,180 ± 30 ly ; (362 ± 10 pc)
Details
Mass	1.17 M☉
Radius	77 R☉
Luminosity	1,300 L☉
Surface gravity (log g)	0.78 cgs
Temperature	3,928 K
Metallicity [Fe/H]	-0.10 dex
Other designations
	BD+39°1134, HD 31780, HIP 23268, HR 1602, SAO 57560
Database references
SIMBAD	data

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

References

^ ^a ^b ^c ^d ^e 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.
^ ^a ^b ^c Oja, T. (1984). "UBV photometry of stars whose positions are accurately known". Astronomy and Astrophysics Supplement Series. 57: 357. Bibcode:1984A&AS...57..357O.
^ 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.
^ 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.
^ ^a ^b ^c 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. S2CID 131780028.
^ ^a ^b ^c 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 (1): 20. arXiv:1905.03744. Bibcode:2019AJ....158...20M. doi:10.3847/1538-3881/ab1cbd. S2CID 148571616.
^ "6 Aurigae, HD31780, HIP23268, HR1602 - Universe Guide". 25 January 2015. Retrieved 24 October 2018.

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[dr2-1] 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.

[ubv-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.

[skiff-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.

[rgcrv-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.

[starhorse-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. S2CID 131780028.

[messineo2019-6] 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 (1): 20. arXiv:1905.03744. Bibcode:2019AJ....158...20M. doi:10.3847/1538-3881/ab1cbd. S2CID 148571616.

[universeguide-7] "6 Aurigae, HD31780, HIP23268, HR1602 - Universe Guide". 25 January 2015. Retrieved 24 October 2018.

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Observation data Epoch J2000.0 Equinox J2000.0
Constellation	Auriga
Right ascension	05^h 00^m 23.214^s^[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 (R_v)	-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 mas^[1]
Distance	1,180 ± 30 ly (362 ± 10 pc)

Details

Mass	1.17^[5] `M`_☉
Radius	77^[6] `R`_☉
Luminosity	1,300^[6] `L`_☉
Surface gravity (log g)	0.78^[5] cgs
Temperature	3,928^[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
SIMBAD	data