Nu1 Lyrae
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Lyra |
| Right ascension | 18h 49m 45.91431s[1] |
| Declination | +32° 48′ 46.1656″[1] |
| Apparent magnitude (V) | 5.91[2] |
| Characteristics | |
| Spectral type | B3IV |
| B−V color index | -0.16 |
| Astrometry | |
| Radial velocity (Rv) | -26.30 ± 1.2 km/s |
| Proper motion (μ) | RA: 2.32 ± 0.17[1] mas/yr Dec.: −3.87 ± 0.30[1] mas/yr |
| Parallax (π) | 2.49 ± 0.24[1] mas |
| Distance | 1,300 ± 100 ly (400 ± 40 pc) |
| Details | |
| Other designations | |
Nu1 Lyrae is a star in the constellation Lyra. It is a blue-white star of spectral type B3IV that is suspected of being variable.[2] Located around 1309 light-years distant, it shines with a luminosity approximately 1460 times that of the Sun and has a surface temperature of 14534 K.[3]
References
- 1 2 3 4 5 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 3 SIMBAD, Nu1 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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