Andromeda VIII
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| Andromeda VIII | |
|---|---|
| Observation data (J2000 epoch) | |
| Constellation | Andromeda |
| Right ascension | 00h 42m 06.0s |
| Declination | +40° 37′ 00" |
| Distance (comoving) | 830,000 kpc |
| Distance | 2.7 million ly |
| Type | dSph |
| Apparent dimensions (V) | 45x10 arcmin |
| Apparent magnitude (V) | 9.1 |
| Absolute magnitude (V) | -15.6 |
| Notable features | satellite galaxy of the Andromeda Galaxy |
| Other designations | |
| And VIII, PGC 5056928 | |
Andromeda VIII (And VIII / 8) is a galaxy discovered in August 2003. It is a companion galaxy to the Andromeda Galaxy, M31, and evaded detection for so long due to its diffuse nature. The galaxy was finally discovered by measuring the redshifts of stars in front of Andromeda, which proved to have different velocities than M31 and hence were part of a different galaxy.
As of at least 2006, the actuality of And VIII as a galaxy has not yet been firmly established (Merrett et al. 2006).[1]
See also
References
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| Location |
Andromeda Galaxy→Andromeda subgroup → Local Group → Virgo Supercluster → Laniakea Supercluster → Observable universe → Universe
Each → may be read as "within" or "part of". |
.jpg) |
|---|---|---|
| Satellite galaxies |
*It is uncertain whether the Triangulum Galaxy is a companion galaxy of the Andromeda Galaxy |
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| Other | ||
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