Theta Leporis

Theta Leporis

Observation data Epoch J2000      Equinox J2000
Constellation	Lepus
Right ascension	06^h 06^m 09.32339^s [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

1. 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. "Theta Leporis". SIMBAD Astronomical Database. Retrieved 2015-10-03.
3. 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 $M = m + 5 (1 + \log_{10}{p})\!\,$, where $M$ is the star's absolute magnitude, $m$ is the star's apparent magnitude, and $p$ is the star's measured parallax in arcseconds.