Leo II (dwarf galaxy)
Dwarf Spheroidal galaxy in the constellation Leo / From Wikipedia, the free encyclopedia
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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.[4] Leo II is thought to have a core radius of 178 ± 13 pc and a tidal radius of 632 ± 32 pc.[5] It was discovered in 1950 by Robert George Harrington and Albert George Wilson, from the Mount Wilson and Palomar Observatories in California.
Quick Facts Observation data (J2000 epoch), Constellation ...
Leo II | |
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Observation data (J2000 epoch) | |
Constellation | Leo |
Right ascension | 11h 13m 29.2s [1] |
Declination | +22° 09′ 17″ [1] |
Redshift | 0.000264 (79 ± 1 km/s) [1] |
Distance | 690 ± 70 kly (210 ± 20 kpc)[2] [3] |
Apparent magnitude (V) | 12.6 [1] |
Characteristics | |
Type | E0 pec [1] |
Apparent size (V) | 12.0 x 11.0 arcmin [1] |
Other designations | |
PGC 34176, DDO 93 |
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