AE Andromedae
Star in the constellation Andromeda / From Wikipedia, the free encyclopedia
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AE Andromedae (AE And) is a luminous blue variable (LBV), a type of variable star. The star is one of the most luminous variables in M31, the Andromeda Galaxy.
Quick Facts Constellation, Right ascension ...
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Andromeda |
Right ascension | 00h 43m 02.52s[2] |
Declination | +41° 49′ 12.2″[2] |
Apparent magnitude (V) | 17.0-17.9[3] |
Characteristics | |
Spectral type | LBV |
U−B color index | ~ −0.9[3] |
B−V color index | ~ +0.1[3] |
Variable type | LBV |
Astrometry | |
Radial velocity (Rv) | -193[4] km/s |
Distance | ~2.5 million ly (~780 thousand pc) |
Absolute magnitude (MV) | −7.0 to −10.2[3] |
Details | |
Mass | 50-120[5] M☉ |
Radius | 55[6] R☉ |
Luminosity | 450,000-700,000[6] L☉ |
Temperature | 20,000[7] K |
Other designations | |
Database references | |
SIMBAD | data |
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