Sculptor Dwarf Irregular Galaxy
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| 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] |
| Notable features: | |
| 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]
[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] References
- ^ a b c d e f g h i NASA/IPAC Extragalactic Database. Results for Sculptor Dwarf Irregular. Retrieved on March 15, 2007.
- ^ 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". Astronomy and Astrophysics 404: 93-111.
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