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.

  1. ^ a b c d e Cite error: The named reference aaa474_2_653 was invoked but never defined (see the help page).
  2. ^ a b c d Cite error: The named reference ducati was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference gosss was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference wilson1953 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference aaa385_479 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference repolust was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference bain15_265 was invoked but never defined (see the help page).