V636 Scorpii
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| Observation data Epoch J2000 |
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| Constellation (pronunciation) |
Scorpius |
| Right ascension | 17h 22m 46.4783s |
| Declination | -45° 36' 51.387"' |
| Apparent magnitude (V) | 6.74 |
| Characteristics | |
| Spectral type | F7/F8Ib/II |
| U-B color index | ? |
| B-V color index | ? |
| Variable type | delta Cep type |
| Astrometry | |
| Radial velocity (Rv) | 0.8 km/s |
| Proper motion (μ) | RA: -2.81 mas/yr Dec.: -2.36 mas/yr |
| Parallax (π) | -0.45 ± 0.89 mas |
| Distance | approx. -7000 ly (approx. -2000 pc) |
| Absolute magnitude (MV) | 7.67 |
| Details | |
| Mass | ? M☉ |
| Radius | ? R☉ |
| Surface gravity (log g) | ? |
| Luminosity | ? L☉ |
| Temperature | ? K |
| Metallicity | ? |
| Rotation | ? |
| Age | ? years |
| Other designations | |
| Database references | |
| SIMBAD | data |
V636 Sco is classical Cepheid (delta Cep type)

