Beta Mensae
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| 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 | |
| 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]
- ^ 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.
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