Beta Mensae

β Mensae

Observation data Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation	Mensa
Right ascension	05^h 02^m 42.9985^s[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)	4.11 ± 0.22[3] mas
Distance	790 ± 40 ly (240 ± 10 pc)
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

1. * bet Men -- Star, database entry, SIMBAD. Accessed on line November 20, 2008.
2. 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. van Leeuwen, F. (2007). "Validation of the New Hipparcos Reduction". Astronomy and Astrophysics. 474 (2): 653–64. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.