Zeta2 Librae
Location of ζ2 Librae (circled)
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Libra
Right ascension 15h 29m 34.78s
Declination −17° 26′ 37.4″
Apparent magnitude (V) 6.69
Characteristics
Evolutionary stage main sequence star
Spectral type Ap
Variable type α2 CVn
Astrometry
Proper motion (μ) RA: 6 ± 0.34 mas/yr
Dec.: -66.7 ± 0.67 mas/yr
Parallax (π)11.28 mas
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

ζ2 Librae (abbreviated Zeta2 Librae, Zeta2 Lib, ζ2 Lib) is a variable star in the constellation Libra. It is approximately 261 light-years away from the Sun.[1]

Zeta2 Librae does not have an HR number, although it is included in the Bright Star Catalogue Supplement.[2][3]

Characteristics

33 Librae is an F-type main sequence star.[1] It is an α2 Canum Venaticorum variable[1] or a rapidly oscillating Ap star, thus it bears the variable star designation GZ Librae and is almost 14 times brighter than the Sun.[4]

See also

References

  1. 1 2 3 "Universe Guide–ζ2/33 Librae". Universe Guide. Retrieved 2023-11-19.
  2. ↑ Hoffleit, D.; Warren, W. H. (1995). "VizieR Online Data Catalog: Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991)". VizieR On-line Data Catalog: V/50. Originally Published in: 1964BS....C......0H. 5050. Bibcode:1995yCat.5050....0H.
  3. ↑ Hoffleit, D.; Jaschek, C. (1982). "The Bright Star Catalogue. Fourth revised edition. (Containing data compiled through 1979)". The Bright Star Catalogue. Fourth Revised Edition. (Containing Data Compiled Through 1979). Bibcode:1982bsc..book.....H.
  4. ↑ Anderson, E.; Francis, C. (2012). "HIP 75848". Extended Hipparcos Compilation (XHIP). VizieR. Retrieved 2021-01-08.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.