BD+60 2522
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Observation data Epoch J2000 |
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Constellation (pronunciation) |
Cassiopeia |
Right ascension | 23h 20m 44.5203s |
Declination | +61° 11' 40.561"' |
Apparent magnitude (V) | 8.7 |
Characteristics | |
Spectral type | 06.5III |
U-B color index | ? |
B-V color index | ? |
Variable type | None |
Astrometry | |
Radial velocity (Rv) | -26 km/s |
Proper motion (μ) | RA: 3.1 mas/yr Dec.: 4.6 mas/yr |
Parallax (π) | 13.0 ± 8.0 mas |
Distance | approx. 300 ly (approx. 80 pc) |
Absolute magnitude (MV) | 9.0 |
Details | |
Mass | 9 M☉ |
Radius | 2 R☉ |
Luminosity | ? L☉ |
Temperature | ? K |
Metallicity | ? |
Rotation | ? |
Age | ? years |
Other designations | |
Database references | |
SIMBAD | data |
The blue star SAO 20575 or BD+602522 has pushed out the 10 light-years big Bubble Nebula NGC 7635 with its stellar wind.