Beta Coronae Australis
 Location of β CrA (circled) |
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| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) |
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|---|---|
| Constellation | Corona Australis |
| Right ascension | 19h 10m 01.7569s[1] |
| Declination | −39° 20′ 26.866″[1] |
| Apparent magnitude (V) | 4.117[1] |
| Characteristics | |
| Spectral type | K0II[1] |
| U−B color index | +1.07[2] |
| B−V color index | +1.20[2] |
| R−I color index | +0.61[2] |
| Astrometry | |
| Radial velocity (Rv) | 2.7 ± 0.9[1] km/s |
| Proper motion (μ) | RA: 5.89[1] mas/yr Dec.: −36.78[1] mas/yr |
| Parallax (π) | 6.42 ± 0.90[1]mas |
| Distance | approx. 510 ly (approx. 160 pc) |
| Absolute magnitude (MV) | −1.8[3] |
| Other designations | |
| Database references | |
| SIMBAD | data |
Beta Coronae Australis (Beta CrA, β Coronae Australis, β CrA) is a K-type bright giant star in the constellation of Corona Australis.[1] It has an apparent visual magnitude of approximately 4.117.[1]
References
- ^ a b c d e f g h i j k * bet CrA -- Star, database entry, SIMBAD. Accessed on line September 5, 2008.
- ^ a b c HR 7259, 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 September 5, 2008.
- ^ From apparent magnitude and parallax.
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