Back الفا كاميلوپارداليس ARZ Alfa Camelopardalis AST Alpha Camelopardalis German Alfa Camelopardalis Spanish Alpha Camelopardalis Estonian آلفا زرافه Persian Alpha Camelopardalis French Alfa Camelopardalis Italian きりん座アルファ星 Japanese 기린자리 알파 Korean

Alpha Camelopardalis

Alpha Camelopardalis
Location of α Camelopardalis (circled)
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Camelopardalis
Right ascension 04h 54m 03.01040s[1]
Declination +66° 20′ 33.6365″[1]
Apparent magnitude (V) 4.29[2]
Characteristics
Spectral type O9Ia[3]
U−B color index −0.87[2]
B−V color index +0.05[2]
R−I color index 0.00[2]
Astrometry
Radial velocity (Rv)+6.1[4] km/s
Proper motion (μ) RA: –0.13[1] mas/yr
Dec.: +6.89[1] mas/yr
Parallax (π)0.52±0.19 mas[1]
Distanceapprox. 6,000 ly
(approx. 1,900 pc)
Absolute magnitude (MV)–7.1[5]
Details[6]
Mass37.6 M☉
Radius32.5 R☉
Luminosity676,000 L☉
Surface gravity (log g)2.97 cgs
Temperature29,000 K
Rotational velocity (v sin i)100 km/s
Age~2[7] Myr
Other designations
α Cam, Alpha Camelopardalis, Alpha Cam, 9 Camelopardalis, 9 Cam, BD+66 358, FK5 178, GC 5924, HD 30614, HIP 22783, HR 1542, SAO 13298, PPM 15047, WDS J04541+6621, IRAS 04490+6615
Database references
SIMBADdata

Alpha Camelopardalis, Latinized from α Camelopardalis, is a star in the northern constellation of Camelopardalis. With an apparent visual magnitude of 4.3, it is the third-brightest star in this not-very-prominent circumpolar constellation; the first and second-brightest stars being Beta Camelopardalis and CS Camelopardalis, respectively. It is the farthest constellational star, with a distance of approximately 6,000 light-years from Earth based on parallax measurements.

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