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 | |
| 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
- 1 2 3 4 5 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.
- 1 2 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.
- 1 2 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/0504337
, Bibcode:2005ApJ...628..973L, doi:10.1086/430901 - ↑ 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.
- 1 2 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.
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