Zeta2 Librae

Zeta2 Librae
Location of ζ2 Librae (circled)
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Libra
Right ascension 15h 29m 34.7424s[1]
Declination −17° 26′ 27.378″[1]
Apparent magnitude (V) 6.69[1]
Characteristics
Evolutionary stage main sequence star
Spectral type Ap
Variable type α2 CVn
Astrometry
Proper motion (μ) RA: −68.387[1] mas/yr
Dec.: 7.364[1] mas/yr
Parallax (π)12.6122 ± 0.0334 mas[1]
Distance258.6 ± 0.7 ly
(79.3 ± 0.2 pc)
Details
Mass1.77 M
Radius1.97 R
Luminosity10.473 L
Temperature7406 K
Age1.096 Gyr
Other designations
GSC 06188-01530, HD 137949, BD-16 4093, SAO 159292, HIP 75848, 2MASS J15293475-1726274, GC 20814, GCRV 8945, HIC 75848, NSV 7104, PPM 230311, SRS 12967, TD1 18282, TYC 6188-1520-1, UBV 13283, UBV M 20794, uvby98 100137949 V, GZ Lib, WDS J15296-1726A, YZ 107 5681, uvby98 100137949, Gaia DR1 6258378300780159232, WEB 12909, Gaia DR2 6258378305082833408, ζ2 Lib, GEN# +1.00137949, SKY# 28036, Renson 39240, UC 2014A, 33 Lib
Database references
SIMBADdata

ζ2 Librae (abbreviated Zeta2 Librae, Zeta2 Lib, ζ2 Lib), also known as 33 Librae, is a variable star in the constellation Libra. It is approximately 261 light-years away from the Sun.[2]

Zeta2 Librae does not have an HR number, although it is included in the Bright Star Catalogue Supplement.[3][4]

  1. ^ a b c d e f Gaia Collaboration (2020-11-01). "VizieR Online Data Catalog: Gaia EDR3 (Gaia Collaboration, 2020)". VizieR Online Data Catalog: I/350. Bibcode:2020yCat.1350....0G.
  2. ^ Cite error: The named reference Universe Guide was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference hr was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference supplement was invoked but never defined (see the help page).