Nu2 Lyrae
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Lyra |
| Right ascension | 18h 49m 52.91721s[1] |
| Declination | +32° 33′ 03.8153″[1] |
| Apparent magnitude (V) | 5.23[2] |
| Characteristics | |
| Spectral type | A3V |
| B−V color index | 0.806 |
| Astrometry | |
| Radial velocity (Rv) | 9.7 ± 2 km/s |
| Proper motion (μ) | RA: -11.12 ± 0.19[1] mas/yr Dec.: −11.90 ± 0.27[1] mas/yr |
| Parallax (π) | 14.09 ± 0.25 mas[1] |
| Distance | 231 ± 4 ly (71 ± 1 pc) |
| Details | |
| Other designations | |
Nu2 Lyrae, or sometimes simply Nu Lyrae, is a star in the constellation Lyra. It is a white main sequence star of spectral type A3V.[2] Located around 231 light-years distant, it shines with a luminosity approximately 32 times that of the Sun and has a surface temperature of 8077 K.[3]
References
- ^ a b c d e 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.
- ^ a b c SIMBAD, Nu2 Lyrae (accessed 25 July 2015)
- ^ 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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