Kappa Leporis
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Lepus |
| Right ascension | 05h 13m 13.87761s [1] |
| Declination | −12° 56′ 28.6463″ [1] |
| Apparent magnitude (V) | 4.42 [2] |
| Characteristics | |
| Spectral type | B7V [3] |
| U−B color index | -0.41 [2] |
| B−V color index | -0.09 [2] |
| Astrometry | |
| Radial velocity (Rv) | +20.80[4] km/s |
| Proper motion (μ) | RA: -12.29[1] mas/yr Dec.: -0.79[1] mas/yr |
| Parallax (π) | 4.48 ± 0.58[1] mas |
| Distance | approx. 730 ly (approx. 220 pc) |
| Absolute magnitude (MV) | -2.32 [5] |
| Other designations | |
| Database references | |
| SIMBAD | data |
Kappa Leporis (κ Lep) is a class B7V[3] (blue main-sequence) star in the constellation Lepus. Its apparent magnitude is 4.42[2] and it is approximately 730 light years away based on parallax.[1]
The star has one recorded companion, B, with an apparent magnitude of 7.4 and separation 2.6".[6]
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 5 "Kappa 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
- ↑ Gontcharov, G. A. (November 2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065.
- ↑ 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.
- ↑ Dommanget, J.; et al. (2002), "Catalog of Components of Double & Multiple stars", Observations et Travaux, 54 (5), Bibcode:2002yCat.1274....0D Vizier result
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