IQ Aurigae

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IQ Aurigae
Observation data
Epoch J2000      Equinox J2000
Constellation Auriga
Right ascension 05h 19m 00.0289s
Declination +33° 44′ 54.217″
Apparent magnitude (V) 5.368
Characteristics
Spectral type A0pSi
U−B color index -0.55
B−V color index -0.19
Variable type α² CVn
Astrometry
Radial velocity (Rv) 28.6 km/s
Proper motion (μ) RA: 13.62 mas/yr
Dec.: -29.63 mas/yr
Parallax (π) 7.28 ± 0.7 mas
Distance 450 ± 40 ly
(140 ± 10 pc)
Absolute magnitude (MV) –0.42[1]
Details
Mass 3.95 ± 0.21[1] M
Radius 2.6 ± 0.4[1] R
Luminosity 263[1] L
Surface gravity (log g) 4.34 ± 0.12[1]
Temperature 14,454[1] K
Rotation 2.4660 days[1]
Other designations
BD+33° 1008, HD 34452, HIP 24799, HR 1732, SAO 57884.
Database references
SIMBAD data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

IQ Aurigae is variable star.

[edit] References

  1. ^ a b c d e f g North, P. (June 1998), "Do SI stars undergo any rotational braking?", Astronomy and Astrophysics 334: 181-187, Bibcode 1998A&A...334..181N 

[edit] External links

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