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β Mensae
Observation dataEpoch 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] Proper motion (μ) RA: −3.54[ 1] mas /yr Dec.: 10.68[ 1] mas /yr Parallax (π)5.08 ± 0.50 mas [ 1] Distance 640 ± 60 ly 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
^ a b c d e f g h i j * bet Men -- Star , database entry, SIMBAD . Accessed on line November 20, 2008.^ 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.^ From apparent magnitude and parallax.
