Delta Leporis

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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
15 Leporis, SAO 170926, GC 7362, HR 2035, HD 39364, HIP 27654, FK5 222, LHS 1792 [6]
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[edit]

  1. ^ a b c d e f 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
  2. ^ a b c d 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. 
  3. ^ a b 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. 
  4. ^ 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. 
  5. ^ 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.
  6. ^ "Delta Leporis". SIMBAD Astronomical Database. Retrieved 2015-10-03.