23 Librae

23 Librae
Observation data
Epoch J2000      Equinox J2000
Constellation Libra
Right ascension 15h 13m 28.6669s[1]
Declination −25° 18′ 33.6534″[1]
Apparent magnitude (V) 6.45[2]
Characteristics
Spectral type G5 V[3]
B−V color index +0.70[2]
Astrometry
Radial velocity (Rv)+4.7[4] km/s
Proper motion (μ) RA: −400.147(26) mas/yr[1]
Dec.: −75.253(27) mas/yr[1]
Parallax (π)38.1946 ± 0.0370 mas[1]
Distance85.39 ± 0.08 ly
(26.18 ± 0.03 pc)
Details
Mass1.07+0.03
−0.08[3] M☉
Radius1.25±0.04[3] R☉
Surface gravity (log g)4.30[5] cgs
Temperature5585±50[3] K
Metallicity [Fe/H]0.25±0.02[3] dex
Rotational velocity (v sin i)2.17[3] km/s
Age8.4+1.6
−1.4 to 11.1+1.5
−3.7[3] Gyr
Other designations
CD−24° 11928, GJ 579.4, HD 134987, HIP 74500, HR 5657, SAO 183275[6]
Database references
SIMBADdata
Exoplanet Archivedata

23 Librae (23 Lib) is a star in the zodiac constellation Libra, making it visible from most of the Earth's surface. With an apparent visual magnitude of 6.45,[2] it requires dark skies and good seeing conditions to see this star with the naked eye. It has a planetary system with two confirmed extrasolar planets.[3]

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  2. ^ a b c Cite error: The named reference clpl4_99 was invoked but never defined (see the help page).
  3. ^ a b c d e f g h Cite error: The named reference mnras403_4_1703 was invoked but never defined (see the help page).
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  6. ^ Cite error: The named reference Simbad was invoked but never defined (see the help page).