BN Camelopardalis
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Camelopardalis |
| Right ascension | 05h 12m 22.45292s |
| Declination | +73° 56′ 48.0423″ |
| Apparent magnitude (V) | 5.45 |
| Characteristics | |
| Spectral type | B9.5pSi |
| U−B color index | –0.35 |
| B−V color index | –0.13 |
| Astrometry | |
| Radial velocity (Rv) | 9.3±2 km/s |
| Proper motion (μ) | RA: +1.45±0.33 mas/yr Dec.: –26.90±0.46 mas/yr |
| Parallax (π) | 8.63 ± 0.47 mas |
| Distance | 380 ± 20 ly (116 ± 6 pc) |
| Absolute magnitude (MV) | +0.05[1] |
| Details | |
| Mass | 3.08 ± 0.13[1] M☉ |
| Radius | 2.9 ± 0.4[1] R☉ |
| Luminosity | 126[1] L☉ |
| Surface gravity (log g) | 4.15 ± 0.11[1] cgs |
| Temperature | 11,455[1] K |
| Rotation | 2.73332 days[1] |
| Other designations | |
| Database references | |
| SIMBAD | data |
| 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. It has an apparent magnitude of 5.3, varying by 0.05 of a magnitude.[2]
References
- 1 2 3 4 5 6 7 North, P. (June 1998), "Do SI stars undergo any rotational braking?", Astronomy and Astrophysics, 334: 181–187, Bibcode:1998A&A...334..181N, arXiv:astro-ph/9802286
- ↑ Watson, Christopher (4 January 2010). "BN Camelopardalis". The International Variable Star Index. American Association of Variable Star Observers. Retrieved 26 May 2015.
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