IQ Aurigae: Difference between revisions
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<ref name=aaa334_181>{{citation | last1=North | first1=P. | title=Do SI stars undergo any rotational braking? | journal=Astronomy and Astrophysics | volume=334 | pages=181-187 | month=June | year=1998 | bibcode=1998A&A...334..181N }}</ref> |
<ref name=aaa334_181>{{citation | last1=North | first1=P. | title=Do SI stars undergo any rotational braking? | journal=Astronomy and Astrophysics | volume=334 | pages=181-187 | month=June | year=1998 | bibcode=1998A&A...334..181N |arxiv = astro-ph/9802286 }}</ref> |
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Revision as of 15:52, 3 March 2012
This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. (September 2010) |
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] cgs |
Temperature | 14,454[1] K |
Rotation | 2.4660 days[1] |
Other designations | |
Database references | |
SIMBAD | data |
Data sources: | |
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
IQ Aurigae is variable star.