BE Camelopardalis

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BE Camelopardalis
Observation data
Epoch J2000      Equinox J2000
Constellation Camelopardalis
Right ascension 03h 49m 31.27989s[1]
Declination +65° 31′ 33.5015″[1]
Apparent magnitude (V) (4.35 - 4.48[2])
Characteristics
Spectral type M2 II[3]
U−B color index 2.13
B−V color index 1.88
R−I color index 1.42
Variable type Lc[2]
Astrometry
Radial velocity (Rv) −1.7[4] km/s
Proper motion (μ) RA: −4.03[1] mas/yr
Dec.: −13.82[1] mas/yr
Parallax (π) 4.10 ± 0.46[1] mas
Distance approx. 800 ly
(approx. 240 pc)
Details
Mass 2.93[5] M
Luminosity 5,471[5] L
Temperature 3,625[3] K
Other designations
BE Cam, HR 1155, HD 23475, HIP 17884, SAO 12916
Database references
SIMBAD data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

BE Camelopardalis (BE Cam) is a star in the constellation Camelopardalis.

BE Camelopardalis is a red M-type bright giant with a mean apparent magnitude of +4.39. It is approximately 965 light years from Earth. It is classified as an irregular variable star and its brightness varies from magnitude +4.35 to +4.48.

References[edit]

  1. ^ a b c d e Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. 
  2. ^ a b Samus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/gcvs. Originally published in: 2009yCat....102025S. 1. Bibcode:2009yCat....102025S. 
  3. ^ a b Levesque, Emily M.; et al. (August 2005), "The Effective Temperature Scale of Galactic Red Supergiants: Cool, but Not As Cool As We Thought", The Astrophysical Journal, 628 (2): 973–985, arXiv:astro-ph/0504337free to read, Bibcode:2005ApJ...628..973L, doi:10.1086/430901 
  4. ^ Famaey, B.; Jorissen, A.; Luri, X.; Mayor, M.; Udry, S.; Dejonghe, H.; Turon, C. (2005). "Local kinematics of K and M giants from CORAVEL/Hipparcos/Tycho-2 data. Revisiting the concept of superclusters". Astronomy and Astrophysics. 430: 165. Bibcode:2005A&A...430..165F. doi:10.1051/0004-6361:20041272. 
  5. ^ a b Hohle, M. M.; Neuhäuser, R.; Schutz, B. F. (2010). "Masses and luminosities of O- and B-type stars and red supergiants". Astronomische Nachrichten. 331 (4): 349. Bibcode:2010AN....331..349H. doi:10.1002/asna.200911355.