Nu1 Coronae Borealis
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Corona Borealis |
| Right ascension | 16h 22m 21.42498s [1] |
| Declination | +33° 47′ 56.5893″ [1] |
| Apparent magnitude (V) | 5.20[1] |
| Characteristics | |
| Spectral type | M2III |
| Astrometry | |
| Parallax (π) | 5.09 ± 0.22[2] mas |
| Distance | 640 ± 30 ly (196 ± 8 pc) |
| Other designations | |
Nu1 Coronae Borealis, is a star located in the constellation Corona Borealis. It is a red giant of spectral type M2III with an apparent visual magnitude of +5.20.[1]
Located around 640 light-years distant, it shines with a luminosity approximately 1155 times that of the Sun and has a surface temperature of 3760 K.[3]
References
- 1 2 3 4 5 "Nu1 Coronae Borealis". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 13 November 2014.
- ↑ van Leeuwen, F. (2007). "Validation of the New Hipparcos Reduction". Astronomy and Astrophysics 474 (2): 653–64. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
- ↑ McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012). "Fundamental Parameters and Infrared Excesses of Hipparcos Stars". Monthly Notices of the Royal Astronomical Society 427 (1): 343–57. arXiv:1208.2037. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x.
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