40 Aurigae

40 Aurigae

Observation data Epoch J2000      Equinox J2000
Constellation	Auriga
Right ascension	06^h 06^m 35.0977^s
Declination	+38° 28′ 57.519″
Apparent magnitude (V)	5.353
Characteristics
Spectral type	A4m
U−B color index	0.15
B−V color index	0.25
R−I color index	0.09
Astrometry
Proper motion (μ)	RA: 10.76 mas/yr Dec.: -52.7 mas/yr
Parallax (π)	8.57 ± 0.84 mas
Distance	380 ± 40 ly (120 ± 10 pc)
Absolute magnitude (MV)	5.588
Details
Mass	3,1 M☉
Radius	2,1 R☉
Luminosity	40 L☉
Temperature	7,500–10,000 K
Rotation	26 km/s 0,01121 Year
Orbit
Companion	40 Aurigae B
Other designations
HD 41357, GCRV 3828, IRAS 06031+3829, SBC7 265, 2MASS J06063509+3828578, AG+38° 663, GSC 02925-00806, PLX 1403, TD1 5967, BD+38° 1377, HIC 28946, PPM Star Catalogue 71223, TYC 2925-806-1, FK5 2465, HIP 28946, ROT 972, UBV 6148, GC 7723, HR 2143, SAO 58749, uvby98 100041357.
Database references
SIMBAD	data
Data sources:
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.)

40 Aurigae is a spectroscopic binary star in the constellation Auriga. Its apparent magnitude is 5.36.

References

• 40 Aurigae data
• HR 2143
• Image 40 Aurigae