55 Arietis
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Aries |
| Right ascension | 03h 09m 36.74277s[1] |
| Declination | +29° 04′ 37.4956″[1] |
| Apparent magnitude (V) | 5.72[2] |
| Distance | approx. 1,060 ly (approx. 320[1] pc) |
| Spectral type | B8 III[3] |
| Other designations | |
55 Arietis (abbreviated 55 Ari) is a star in the northern constellation of Aries. 55 Arietis is the Flamsteed designation. It is faintly visible to the naked eye with an apparent visual magnitude of 5.72.[2] Based upon an annual parallax shift of 3.09 ± 0.49 mas,[1] it is approximately 1,060 light-years (320 parsecs) distant from Earth, give or take a 170 light-year margin of error. The spectrum of this star matches a B-type giant with a stellar classification of B8 III.[3]
References
- 1 2 3 4 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.
- 1 2 Nicolet, B. (1978), "Photoelectric photometric Catalogue of homogeneous measurements in the UBV System", Astronomy and Astrophysics Supplement Series 34: 1–49, Bibcode:1978A&AS...34....1N.
- 1 2 Cowley, A.; et al. (April 1969), "A study of the bright A stars. I. A catalogue of spectral classifications", Astronomical Journal 74: 375–406, Bibcode:1969AJ.....74..375C, doi:10.1086/110819.
- ↑ "55 Ari -- Star", SIMBAD Astronomical Database (Centre de Données astronomiques de Strasbourg), retrieved 2012-08-17.
External links
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