Nu Leporis
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Lepus |
| Right ascension | 05h 19m 59.02275s [1] |
| Declination | −12° 18′ 56.1139″ [1] |
| Apparent magnitude (V) | 5.28 [2] |
| Characteristics | |
| Spectral type | B7/B8V [3] |
| U−B color index | -0.42 [4] |
| B−V color index | -0.10 [2] |
| Astrometry | |
| Radial velocity (Rv) | +16.00[5] km/s |
| Proper motion (μ) | RA: -13.32[1] mas/yr Dec.: +7.18[1] mas/yr |
| Parallax (π) | 9.78 ± 0.37[1] mas |
| Distance | 330 ± 10 ly (102 ± 4 pc) |
| Absolute magnitude (MV) | 0.23 [6] |
| Other designations | |
| Database references | |
| SIMBAD | data |
Nu Leporis (ν Lep) is a class B7V[3] (blue main-sequence) star in the constellation Lepus. Its apparent magnitude is 5.28[2] and it is approximately 333 light years away based on parallax.[1]
References
- 1 2 3 4 5 6 van Leeuwen, F. (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. Vizier catalog entry
- 1 2 3 4 "7 Leporis". SIMBAD Astronomical Database. Retrieved 2015-10-03.
- 1 2 Houk, N. (1988), Michigan catalogue of two-dimensional spectral types for the HD stars 4, Ann Arbor: Dept. of Astronomy, University of Michigan, Bibcode:1988MSS...C04....0H
- ↑ Reed, B. Cameron (May 2003), "Catalog of galactic OB stars", The Astronomical Journal 125 (5): 2531–2533, Bibcode:2003AJ....125.2531R, doi:10.1086/374771
- ↑ Kharchenko, N. V.; et al. (2007), "Astrophysical supplements to the ASCC-2.5: Ia. Radial velocities of ˜55000 stars and mean radial velocities of 516 Galactic open clusters and associations", Astronomische Nachrichten 328 (9): 889, Bibcode:2007AN....328..889K, doi:10.1002/asna.200710776
- ↑ Absolute magnitude calculated as
, where 
is the star's absolute magnitude, 
is the star's apparent magnitude, and 
is the star's measured parallax in arcseconds.
| ||||||||||||||||||||||||||||||||||
This article is issued from Wikipedia - version of the Friday, December 25, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.