Leo II (dwarf galaxy)
Leo II (or Leo B) is a dwarf spheroidal galaxy about 690,000 light-years away in the constellation Leo. It is one of 24 known satellite galaxies of the Milky Way. Leo II is thought to have a core radius of 178 ± 13 pc and a tidal radius of 632 ± 32 pc. It was discovered in 1950 by Robert George Harrington and Albert George Wilson, from the Mount Wilson and Palomar Observatories in California.
| Leo II | |
|---|---|
| Observation data (J2000 epoch) | |
| Constellation | Leo |
| Right ascension | 11h 13m 29.2s |
| Declination | +22° 09′ 17″ |
| Redshift | 0.000264 (79 ± 1 km/s) |
| Distance | 690 ± 70 kly (210 ± 20 kpc) |
| Apparent magnitude (V) | 12.6 |
| Characteristics | |
| Type | E0 pec |
| Apparent size (V) | 12.0 x 11.0 arcmin |
| Other designations | |
| PGC 34176, DDO 93 | |
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