Delta Leporis
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Lepus |
| Right ascension | 05h 51m 19.29613s [1] |
| Declination | −20° 52′ 44.7232″ [1] |
| Apparent magnitude (V) | 3.85 [2] |
| Characteristics | |
| Spectral type | K1IVFe-0.5 [3] |
| U−B color index | +0.71 [2] |
| B−V color index | +0.98 [2] |
| Astrometry | |
| Radial velocity (Rv) | +100.20[4] km/s |
| Proper motion (μ) | RA: +229.49[1] mas/yr Dec.: -648.41[1] mas/yr |
| Parallax (π) | 28.68 ± 0.17[1] mas |
| Distance | 113.7 ± 0.7 ly (34.9 ± 0.2 pc) |
| Absolute magnitude (MV) | 1.14 [5] |
| Other designations | |
| Database references | |
| SIMBAD | data |
Delta Leporis (δ Lep) is a class K1IV[3] (orange subgiant) star in the constellation Lepus. Its apparent magnitude is 3.85[2] and it is approximately 113.7 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 Ducati, J. R. (2002). "VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system". CDS/ADC Collection of Electronic Catalogues. 2237: 0. Bibcode:2002yCat.2237....0D.
- 1 2 Gray, R. O.; et al. (July 2006). "Contributions to the Nearby Stars (NStars) Project: spectroscopy of stars earlier than M0 within 40 pc-The Southern Sample". The Astronomical Journal. 132 (1): 161–170. arXiv:astro-ph/0603770. Bibcode:2006AJ....132..161G. doi:10.1086/504637.
- ↑ 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.
- ↑ "Delta Leporis". SIMBAD Astronomical Database. Retrieved 2015-10-03.
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