18 Aurigae

18 Aurigae
Observation data
Epoch J2000      Equinox J2000
Constellation Auriga
Right ascension 05h 19m 23.7427s
Declination +33° 59 07.514
Apparent magnitude (V) 6.493
Characteristics
Spectral type A7V
U−B color index 0.1
B−V color index 0.24
Astrometry
Radial velocity (Rv)7.3 km/s
Proper motion (μ) RA: 26.56 mas/yr
Dec.: -4.32 mas/yr
Parallax (π)13.85 ± 0.81 mas
Distance240 ± 10 ly
(72 ± 4 pc)
Absolute magnitude (MV)6.724
Details
Mass3,1 M
Radius2,1 R
Luminosity40 L
Temperature7,500–10,000 K
Rotation120 km/s
0,0024289535 Year
Orbit
CompanionCCDM 05194+3359 B
Semi-major axis (a)4.1"
Inclination (i)165°
Other designations
CCDM J05194+3359, CEL 608, HIC 24832, SAO 57893, GC 6504, HIP 24832, GCRV 3162, HR 1734, TD1 4346, ADS 3893, IDS 05128+3353, TYC 2398-1022-1, AG+33° 497, GSC 02398-01022, 2MASS J05192374+3359074, UBV M 10801, BD+33° 1010, HD 34499, PPM 70198, uvby98 100034499.
Database references
SIMBADdata
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

18 Aurigae is a star in the constellation Auriga. Its apparent magnitude is 6.49.

References


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