Andromeda IV
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| Andromeda IV | |
|---|---|
 Andromeda IV just about 30″ to the right from TYC 2801-551-1 star (mag: 10.3); HST |
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| Observation data (J2000 epoch) | |
| Constellation | Andromeda |
| Right ascension | 00h 42m 32.3s[1] |
| Declination | +40° 34′ 19″[1] |
| Redshift | 256 ± 9 km/s[1] |
| Type | Dwarf irregular[1] |
| Apparent dimensions (V) | 1′.3 × 1′.0[1] |
| Apparent magnitude (V) | 16.6B[1] |
| Other designations | |
| And IV,[1] PGC 2544[1] | |
| See also: Galaxy, List of galaxies | |
Coordinates: 
00h 42m 32.3s, +40° 34′ 19″ Andromeda IV (And IV) might be an irregular satellite of the Andromeda Galaxy; however it is more probably not a galaxy at all, but a loosely bound star cluster or some other background feature.
[edit] History
It was discovered by Sidney van den Bergh.[2]
[edit] References
- ^ a b c d e f g h "NASA/IPAC Extragalactic Database". Results for Andromeda IV. http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=Andromeda+IV#ObjNo1. Retrieved 2007-03-15.
- ^ McConnachie, A. W.; Irwin, M. J.; Ferguson, A. M. N.; Ibata, R. A.; Lewis, G. F.; Tanvir, N. (2005). "Distances and metallicities for 17 Local Group galaxies". Monthly Notices of the Royal Astronomical Society 356 (4): 979–997. arXiv:astro-ph/0410489. Bibcode 2005MNRAS.356..979M. doi:10.1111/j.1365-2966.2004.08514.x.
- Andromeda IV on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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