WW Aurigae

WW Aurigae

WW Aurigae
Observation data Epoch J2000      Equinox J2000
Constellation	Auriga
Right ascension	06^h 32^m 27.1845^s
Declination	+32° 27′ 17.633″
Apparent magnitude (V)	5.821
Characteristics
Spectral type	A3m+A3m
U−B color index	0.15
B−V color index	0.14
R−I color index	0.02
Variable type	Algol variable
Astrometry
Radial velocity (Rv)	-9.4 km/s
Proper motion (μ)	RA: -26.51 mas/yr Dec.: -17.52 mas/yr
Parallax (π)	11.86 ± 1.06 mas
Distance	280 ± 20 ly (84 ± 8 pc)
Absolute magnitude (MV)	59.89
Details
Mass	1,92 M☉
Radius	2,1 R☉
Luminosity	40 L☉
Temperature	7,500–10,000 K
Rotation	35Km/s 0,00832784 Year
Other designations
GC 8474, HIP 31173, AG+32° 656, GCRV 4178, HR 2372, TD1 7316, AN 3.1918, 2MASS J06322718+3227175, TYC 2426-345-1, BD+32° 1324, GSC 02426-00345, PPM Star Catalogue 71742, uvby98 100046052 V, CSI+32 1324 1, HD 46052, SAO 59194, YPAC 242, FK5 2500, HIC 31173, SBC7 282.
Database references
SIMBAD	data
Data sources:
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.)

WW Aurigae (WW Aur) is an eclipsing binary in the constellation Auriga. It is approximately 275 light-years from Earth.

Both components, WW Aurigae A and WW Aurigae B, are detached white A-type main sequence dwarfs with a mean apparent magnitude of +5.82. As an eclipsing binary, WW Aurigae is classified as a variable star and its brightness varies from magnitude +5.79 to +6.54 with a period of 2.53 days.

Components

NAME	Right ascension	Declination	Apparent magnitude (V)	Spectral type	Database references
CSI+32 1324 2 (BD+32 1324A)	16^h 32^m 27.2^s	+32° 27' 18		A4m	Simbad
CSI+32 1324 3 (BD+32 1324B)	16^h 32^m 27.2^s	+32° 27' 18		A5m	Simbad

References

• HR 2372
• Image WW Aurigae