FN Canis Majoris
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Canis Major |
| Right ascension | 07h 06m 40.76672s[1] |
| Declination | −11° 17′ 38.4396″[1] |
| Characteristics | |
| Spectral type | B0.5 IV |
| Variable type | Beta Cephei |
| Astrometry | |
| Radial velocity (Rv) | +31.00 ± 4.2 km/s |
| Proper motion (μ) | RA: −3.14 ± 0.72[1] mas/yr Dec.: 3.32 ±0.55[1] mas/yr |
| Parallax (π) | 1.07 ± 0.61[1] mas |
| Distance | approx. 3,000 ly (approx. 900 pc) |
| Details | |
| Other designations | |
| Database references | |
| SIMBAD | data |
FN Canis Majoris is a variable subgiant star in the constellation Canis Major.
FN Canis Majoris is a blue-white B-type subgiant with an apparent magnitude that varies between +5.38 and +5.42 over a period of 36.7 hours.[2] It was classified as a Beta Cephei type variable star,[3] but is no longer considered to be one.[4]
References
- 1 2 3 4 5 van Leeuwen, F. (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
- ↑ Lefèvre, L.; Marchenko, S. V.; Moffat, A. F. J.; Acker, A. (2009). "A systematic study of variability among OB-stars based on HIPPARCOS photometry". Astronomy and Astrophysics 507 (2): 1141–1201. Bibcode:2009A&A...507.1141L. doi:10.1051/0004-6361/200912304. ISSN 0004-6361.
- ↑ Hill, Graham (1967). "On Beta Cephei Stars: a Search for Beta Cephei Stars". The Astrophysical Journal Supplement Series 14: 263. Bibcode:1967ApJS...14..263H. doi:10.1086/190156. ISSN 0067-0049.
- ↑ Stankov, Anamarija; Handler, Gerald (2005). "Catalog of Galactic β Cephei Stars". The Astrophysical Journal Supplement Series 158 (2): 193–216. arXiv:astro-ph/0506495. Bibcode:2005ApJS..158..193S. doi:10.1086/429408. ISSN 0067-0049.
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