BN Camelopardalis

From Wikipedia, the free encyclopedia
BN Camelopardalis
Observation data
Epoch J2000      Equinox J2000
Constellation Camelopardalis
Right ascension 05h 12m 22.4586s
Declination +73° 56 48.027
Apparent magnitude (V)5.427
Characteristics
Spectral typeB9pSi
U−B color index–0.36
B−V color index–0.12
Astrometry
Radial velocity (Rv)9.3 km/s
Proper motion (μ) RA: +4.31 mas/yr
Dec.: –28.83 mas/yr
Parallax (π)8.71 ± 0.55 mas
Distance370 ± 20 ly
(115 ± 7 pc)
Absolute magnitude (MV)+0.05[1]
Details
Mass3.08 ± 0.13[1] M
Radius2.9 ± 0.4[1] R
Luminosity126[1] L
Surface gravity (log g)4.15 ± 0.11[1] cgs
Temperature11,455[1] K
Rotation2.73332 days[1]
Other designations
BD+73 274, FK5 2387, HD 32650, HIP 24254, HR 1643, SAO 5455.
Database references
SIMBADdata
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

BN Camelopardalis is a Alpha² Canum Venaticorum variable star in the constellation Camelopardalis.

References

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 North, P. (June 1998), "Do SI stars undergo any rotational braking?", Astronomy and Astrophysics 334: 181–187, arXiv:astro-ph/9802286, Bibcode:1998A&A...334..181N 

External links

This article is issued from Wikipedia. The text is available under the Creative Commons Attribution/Share Alike; additional terms may apply for the media files.