Andromeda XI
Andromeda XI (And 11) is a dwarf spheroidal galaxy about 2.6 million light-years away from the Sun in the constellation Andromeda. Discovered in 2006, And XI is a satellite galaxy of the Andromeda Galaxy (M31).
| Andromeda XI | |
|---|---|
| Observation data (J2000 epoch) | |
| Constellation | Andromeda |
| Right ascension | 00h 46.3m |
| Declination | +33° 48′ 05″ |
| Redshift | -0.001399 ± 0.000015 |
| Heliocentric radial velocity | (-419 ± 4.4) km/s |
| Distance | 2.6 ± 325 Mly (830 kpc) |
| Absolute magnitude (V) | −7.3 |
| Characteristics | |
| Type | dSph D |
| Apparent size (V) | 0.5 arcmin |
| Notable features | satellite galaxy of the Andromeda Galaxy |
| Other designations | |
| And XI, PGC 5056923 | |
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