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V394 Aurigae is a semi-regular variable star in the constellation Auriga. It varies between magnitudes 6.01 and 6.11.[2] Located around 730 light-years distant, it shines with a luminosity approximately 1075 times that of the Sun and has a surface temperature of 3589 K.[4]

V394 Aurigae
Location of V394 Aurigae (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Auriga
Right ascension 06h 06m 22.44529s[1]
Declination +29° 30 44.6832[1]
Apparent magnitude (V) 6.01 - 6.11[2]
Characteristics
Spectral type M3II+F7V
U−B color index 1.94
B−V color index 1.73
Variable type Semi-regular[2]
Astrometry
Radial velocity (Rv)-36.40 ± 0.18[3] km/s
Proper motion (μ) RA: 11.503[1] mas/yr
Dec.: −5.126[1] mas/yr
Parallax (π)3.7146 ± 0.0756 mas[1]
Distance880 ± 20 ly
(269 ± 5 pc)
Details
Luminosity1075[4] L
Temperature3589[4] K
Other designations
DO 11899, HIC 28930, PPM Star Catalogue 95388, STT 129, GC 7725, HIP 28930, SAO 77958, ADS 4673, GCRV 3829, HR 2146, AG+29° 663, IDS 06000+2931, TYC 1876-1774-1, BD+29° 1112, IRAS 06031+2931, UBV M 11751, CCDM J06064+2931, GSC 01876-01774, IRC +30137, YZ 29 2943, CSI+29 1112 1, HD 41429, 2MASS J06062243+2930445.
Database references
SIMBADdata

It is a double star: the secondary, designated V394 Aurigae B, is an eleventh-magnitude star with a separation of 10 arcseconds.[5]


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. Watson, Christopher (4 January 2010). "V394 Aurigae". The International Variable Star Index. American Association of Variable Star Observers. Retrieved 14 August 2015.
  3. Gaia Collaboration (2018-04-01). "VizieR Online Data Catalog: Gaia DR2 (Gaia Collaboration, 2018)". VizieR Online Data Catalog. 1345. Bibcode:2018yCat.1345....0G.
  4. McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012). "Fundamental Parameters and Infrared Excesses of Hipparcos Stars". Monthly Notices of the Royal Astronomical Society. 427 (1): 343–57. arXiv:1208.2037. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x. S2CID 118665352.
  5. Dommanget, J.; Nys, O. (2002). "CCDM (Catalog of Components of Double & Multiple stars) (Dommanget+ 2002)". VizieR On-line Data Catalog: I/274. Originally Published in: Observations et Travaux 54. 1274. Bibcode:2002yCat.1274....0D. Vizier catalog entry





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