Beta Chamaeleontis
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) |
|
|---|---|
| Constellation | Chamaeleon |
| Right ascension | 12h 18m 20.82459s |
| Declination | −79° 18′ 44.0710″ |
| Apparent magnitude (V) | 4.24 (4.24 to 4.30) |
| Characteristics | |
| Spectral type | B4 V |
| U−B color index | −0.52 |
| B−V color index | −0.13 |
| R−I color index | −0.10 |
| Astrometry | |
| Radial velocity (Rv) | +23.0 km/s |
| Proper motion (μ) |
RA: −37.97 mas/yr Dec.: +11.15 mas/yr |
| Parallax (π) | 10.93 ± 0.15mas |
| Distance | 298 ± 4 ly (91 ± 1 pc) |
| Details | |
| Mass | 5.0 ± 0.1 M☉ |
| Radius | 2.84 ± 0.13 R☉ |
| Luminosity | 212 L☉ |
| Surface gravity (log g) | 4.03 ± 0.05 cgs |
| Temperature | 14,495 ± 157 K |
| Rotational velocity (v sin i) | 255 km/s |
| Age | 22.7 ± 7.2 Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
Beta Chamaeleontis (Beta Cha, β Chamaeleontis, β Cha) is a B-type main sequence star and is the third-brightest star in the constellation of Chamaeleon. It has an apparent visual magnitude that varies between 4.24 and 4.30.
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