27 Arietis
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Aries |
| Right ascension | 02h 30m 54.39819s[1] |
| Declination | +17° 42′ 13.8713″[1] |
| Apparent magnitude (V) | 6.23[2] |
| Distance | 289 ± 13[1] ly (89 ± 4[1] pc) |
| Spectral type | G5 III-IV[3] |
| Other designations | |
27 Arietis is the Flamsteed designation for a star in the northern constellation of Aries. It is close to the limit of what can be viewed with the naked eye with an apparent visual magnitude is 6.23.[2] The annual parallax shift of 11.30 ± 0.50 mas[1] corresponds to a physical distance of approximately 289 light-years (89 parsecs) from Earth. The stellar classification of G5 III-IV[3] matches the spectral of an evolved subgiant or giant star.
References
- ↑ 1.0 1.1 1.2 1.3 1.4 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.
- ↑ 2.0 2.1 Johnson, H. L. et al. (1966), "UBVRIJKL photometry of the bright stars", Communications of the Lunar and Planetary Laboratory 4 (99), Bibcode:1966CoLPL...4...99J.
- ↑ 3.0 3.1 Keenan, Philip C.; Keller, Geoffrey (March 1953), "Spectral Classification of the High-Velocity Stars.", Astrophysical Journal 117: 241, Bibcode:1953ApJ...117..241K, doi:10.1086/145687.
- ↑ "27 Ari -- Star", SIMBAD Astronomical Database (Centre de Données astronomiques de Strasbourg), retrieved 2012-07-18.
External links
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