Sculptor Dwarf Irregular Galaxy
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| Sculptor Dwarf Irregular | |
|---|---|
| Observation data (J2000 epoch) | |
| Constellation | Sculptor |
| Right ascension | 00h 08m 13.3s[1] |
| Declination | -34° 34′ 42″[1] |
| Redshift | 221 ± 6 km/s[1] |
| Distance | 13.4 Mly (4.1 Mpc)[2] |
| Type | IBm[1] |
| Apparent dimensions (V) | 1′.1 × 0′.9[1] |
| Apparent magnitude (V) | 15.5[1] |
| Other designations | |
| SDIG,[1] PGC 621,[1] ESO 349-031[1] | |
| See also: Galaxy, List of galaxies | |
The Sculptor Dwarf Irregular Galaxy (SDIG) is an irregular galaxy in the constellation Sculptor. The galaxy was discovered in 1976.[citation needed]
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[edit] Nearby galaxies and galaxy group information
The Sculptor Dwarf Irregular Galaxy and the dwarf galaxy UGCA 442 are both companions of the spiral galaxy NGC 7793.[2] These galaxies all lie within the Sculptor Group, a weakly bound, filament-like group of galaxies located near the Local Group.[2]
[edit] See also
- Sculptor Dwarf Galaxy – a dwarf spheroidal or elliptical galaxy, also in Sculptor, but significantly closer; a satellite of the Milky Way.
[edit] References
- ^ a b c d e f g h i "NASA/IPAC Extragalactic Database". Results for Sculptor Dwarf Irregular. http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=Sculptor+Dwarf+Irregular#ObjNo1. Retrieved 2007-03-15.
- ^ a b c I. D. Karachentsev, E. K. Grebel, M. E. Sharina, A. E. Dolphin, D. Geisler, P. Guhathakrta, P. W. Hodge, V. E. Karachentseva, A. Sarajedini, P. Seitzer (2003). "Distances to nearby galaxies in Sculptor" (abstract). Astronomy and Astrophysics 404 (1): 93–111. arXiv:astro-ph/0302045. Bibcode 2003A&A...404...93K. doi:10.1051/0004-6361:20030170.
[edit] External links
- The Sculptor Dwarf Irregular Galaxy on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
Coordinates: 
00h 08m 13.3s, −34° 34′ 42″
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