T Cephei
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| Observation data Epoch J2000 |
|
|---|---|
| Constellation (pronunciation) |
Cepheus |
| Right ascension | 21h 09m 31.7819s |
| Declination | +68° 29' 27.206"' |
| Apparent magnitude (V) | 7.37 |
| Characteristics | |
| Spectral type | M7IIIe |
| U-B color index | 0.33 |
| B-V color index | 1.49 |
| Variable type | Mira |
| Astrometry | |
| Radial velocity (Rv) | -12 km/s |
| Proper motion (μ) | RA: 43.00 mas/yr Dec.: -45.14 mas/yr |
| Parallax (π) | 4.76 ± 0.75 mas |
| Distance | approx. 700 ly (approx. 210 pc) |
| Absolute magnitude (MV) | 8.45 |
| Details | |
| Mass | ? M☉ |
| Radius | ? R☉ |
| Luminosity | ? L☉ |
| Temperature | ? K |
| Metallicity | ? |
| Rotation | 388.14 |
| Age | ? years |
| Other designations | |
T Cep, Variable Star of Mira Cet type.
[edit] References
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