BN Camelopardalis

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 type B9pSi
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