Theta Leporis

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Theta Leporis
Observation data
Epoch J2000      Equinox J2000
Constellation Lepus
Right ascension 06h 06m 09.32339s [1]
Declination −14° 56′ 06.9188″ [1]
Apparent magnitude (V) 4.67 [2]
Characteristics
Spectral type A0V [3]
B−V color index +0.05 [2]
Astrometry
Radial velocity (Rv) +32.00[4] km/s
Proper motion (μ) RA: -17.61[1] mas/yr
Dec.: +12.79[1] mas/yr
Parallax (π) 18.88 ± 0.54[1] mas
Distance 173 ± 5 ly
(53 ± 2 pc)
Absolute magnitude (MV) 1.05 [5]
Other designations
18 Leporis, SAO 151110, FK5 2466, HIP 28910, HR 2155, GC 7742, HD 41695 [2]
Database references
SIMBAD data

Theta Leporis (θ Lep) is a class A0V[3] (white main-sequence) star in the constellation Lepus. Its apparent magnitude is 4.67[2] and it is approximately 173 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:0708.1752Freely accessible. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.  Vizier catalog entry
  2. ^ a b c d "Theta Leporis". SIMBAD Astronomical Database. Retrieved 2015-10-03. 
  3. ^ a b 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 
  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.