AN Ursae Majoris
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| Observation data Epoch J2000.0 Equinox J2000.0 |
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| Constellation | Ursa Major |
| Right ascension | 11h 04m 25.71s |
| Declination | +45° 03′ 15.0″ |
| Apparent magnitude (V) | 14.90–20.2 |
| Characteristics | |
| Spectral type | CV |
| Variable type | E+XRM |
| Astrometry | |
| Radial velocity (Rv) | −43 km/s |
| Other designations | |
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PG 1101+453, S 07738, X 11016+454
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| Database references | |
| SIMBAD | data |
AN Ursae Majoris is a variable star in the constellation Ursa Major. This star has the strongest known magnetic field among cataclysmic variables, with a field strength of 230 million gauss (23 kT). This object, along with AM Herculis, define a class of objects known as polars.
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