Andromeda VIII
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| Andromeda VIII | |
|---|---|
| Observation data (J2000 epoch) | |
| Constellation | Andromeda |
| Right ascension | Template:RA[1] |
| Declination | Template:DEC[1] |
| Distance | 2.7 Mly (0.83 Mpc) |
| Apparent magnitude (V) | 9.1 |
| Absolute magnitude (V) | -15.6 |
| Characteristics | |
| Type | dSph |
| Apparent size (V) | 45 × 10 arcmin |
| 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.[citation needed]
As of at least 2006, the actuality of And VIII as a galaxy has not yet been firmly established (Merrett et al. 2006).[2]
See also
References
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- ^ a b Page Module:Citation/CS1/styles.css has no content."NAME Andromeda VIII". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 17 March 2018.
{{cite web}}: Invalid|mode=Script error: No such module "Citation mode".(help) - ^ Page Module:Citation/CS1/styles.css has no content.Merrett, H. R.; Merrifield, M. R.; Douglas, N. G.; Kuijken, K.; Romanowsky, A. J.; Napolitano, N. R.; Arnaboldi, M.; Capaccioli, M.; et al. (June 2006), "A deep kinematic survey of planetary nebulae in the Andromeda galaxy using the Planetary Nebula Spectrograph", Monthly Notices of the Royal Astronomical Society, 369 (1): 120–142, arXiv:astro-ph/0603125, Bibcode:2006MNRAS.369..120M, doi:10.1111/j.1365-2966.2006.10268.x, S2CID 34921318
External links
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