Beta Mensae

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β Mensae
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Mensa
Right ascension 05h 02m 42.9985s[1]
Declination −71° 18′ 51.480″[1]
Apparent magnitude (V) 5.302[1]
Characteristics
Spectral type G8III[1]
U−B color index +0.77[2]
B−V color index +1.00[2]
Astrometry
Radial velocity (Rv) −11.4 ± 2[1] km/s
Proper motion (μ) RA: −3.54[1] mas/yr
Dec.: 10.68[1] mas/yr
Parallax (π) 5.08 ± 0.50[1] mas
Distance 640 ± 60 ly
(200 ± 20 pc)
Absolute magnitude (MV) −1.2[3]
Other designations
β Men, Beta Mensae, Beta Men, CPD−71 309, FK5 2380, GC 6232, HD 33285, HIP 23467, HR 1677, PPM 368632, SAO 256154.[1]
Database references
SIMBAD data

Beta Mensae (Beta Men, β Mensae, β Men) is the third brightest star in the constellation of Mensa. It is a G-type giant with an apparent visual magnitude of approximately 5.302.[1]

References[edit]

  1. ^ a b c d e f g h i j * bet Men -- Star, database entry, SIMBAD. Accessed on line November 20, 2008.
  2. ^ a b HR 1677, database entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., CDS ID V/50. Accessed on line November 20, 2008.
  3. ^ From apparent magnitude and parallax.