HD 40873

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HD 40873
Observation data
Epoch J2000      Equinox J2000
Constellation Auriga
Right ascension 06h 04m 29.10628s
Declination +51° 34′ 24.2203″
Apparent magnitude (V) 6.398
Characteristics
Spectral type A7III
B−V color index 0.18
Variable type Variable star
Astrometry
Radial velocity (Rv) 19.6 ± 2 km/s
Proper motion (μ) RA: 0.48 ± 0.67 mas/yr
Dec.: -42.83 ± 0.39 mas/yr
Parallax (π) 7.41 ± 0.66[1] mas
Distance 440 ± 40 ly
(130 ± 10 pc)
Details
Luminosity 38 L
Temperature 7753 K
Other designations
BD+51° 1146, NSV 2804, HD 40873, HIP 28765, FK5 2463, HR 2123, SAO 25548.
Database references
SIMBAD data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

HD 40873 is a star in the constellation Auriga. Located around 440 light-years distant, it shines with a luminosity approximately 38 times that of the Sun and has a surface temperature of 7753 K.[2]

References[edit]

  1. ^ van Leeuwen, F. (November 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. 
  2. ^ 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. 

Components[edit]

NAME Right ascension Declination Apparent magnitude (V) Spectral type Database references
ADS 4633 B (CCDM J06045+5135BC) 06h 04m 30.061s +51° 35' 02.63 9.5 A5 Simbad