Nu2 Coronae Borealis

Nu2 Coronae Borealis
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Corona Borealis
Right ascension 16h 22m 29.21855s [1]
Declination +33° 42′ 12.5274″ [1]
Apparent magnitude (V) 5.39[1]
Characteristics
Spectral type K5III
Astrometry
Parallax (π)5.49 ± 0.24[2] mas
Distance590 ± 30 ly
(182 ± 8 pc)
Other designations
21 Coronae Borealis, HR 6108, HD 147767, HIP 80214 [1]

Nu2 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 590±30 light-years distant, it shines with a luminosity approximately 530 times that of the Sun and has a surface temperature of 4049 K.[3]

References

  1. 1 2 3 4 5 "Nu2 Coronae Borealis". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 13 November 2014.
  2. ↑ van Leeuwen, F. (2007). "Validation of the New Hipparcos Reduction". Astronomy and Astrophysics. 474 (2): 653–64. arXiv:0708.1752Freely accessible. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
  3. ↑ 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:1208.2037Freely accessible. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x.
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