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]

[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

  1. ^ a b c d e f g h i NASA/IPAC Extragalactic Database. Results for Sculptor Dwarf Irregular. Retrieved on 2007-03-15.
  2. ^ 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: 93-111. doi:10.1051/0004-6361:20030170. 


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