S Coronae Borealis
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Corona Borealis |
| Right ascension | 15h 21m 23.9556s |
| Declination | +31° 22' 02.585"' |
| Apparent magnitude (V) | 8.13 |
| Characteristics | |
| Spectral type | M7e |
| U−B color index | ? |
| B−V color index | ? |
| Variable type | Mira |
| Astrometry | |
| Radial velocity (Rv) | -1.0 km/s |
| Proper motion (μ) | RA: -8.33 mas/yr Dec.: -11.55 mas/yr |
| Parallax (π) | 1.9 ± 1.36 mas |
| Distance | approx. 2,000 ly (approx. 500 pc) |
| Absolute magnitude (MV) | 9.08 |
| Details | |
| Mass | ? M☉ |
| Radius | ? R☉ |
| Luminosity | ? L☉ |
| Temperature | ? K |
| Metallicity | ? |
| Rotation | ? |
| Age | ? years |
| Other designations | |
S Coronae Borealis (S CrB) a Mira type long period variable star in the constellation Corona Borealis.
References
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