BD-12° 134
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Observation data Epoch J2000 |
|
---|---|
Constellation (pronunciation) |
Cetus |
Right ascension | 00h 47m 03.3383s |
Declination | -11° 52' 18.923"' |
Apparent magnitude (V) | 11.78 |
Characteristics | |
Spectral type | Op |
U-B color index | ? |
B-V color index | ? |
Variable type | None |
Astrometry | |
Radial velocity (Rv) | 39.0 km/s |
Proper motion (μ) | RA: -23.31 mas/yr Dec.: -2.53 mas/yr |
Parallax (π) | 1.59 ± 3.54 mas |
Distance | approx. 2000 ly (approx. 1000 pc) |
Absolute magnitude (MV) | 11.43 |
Details | |
Mass | ? M☉ |
Radius | ? R☉ |
Luminosity | ? L☉ |
Temperature | ? K |
Metallicity | ? |
Rotation | ? |
Age | ? years |
Other designations | |
Database references | |
SIMBAD | data |
BD-12° 134, a quite old planetary nebula NGC 246 with its central star, the white dwarf HIP 3678.