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)