Sculptor Dwarf Irregular Galaxy

Sculptor Dwarf Irregular
Sculptor Dwarf Irregular
	Sculptor Dwarf Irregular Galaxy close up by Hubble Space Telescope.
Observation data (J2000 epoch)
Constellation	Sculptor
Right ascension	00h 08m 13.36s
Declination	−34° 34′ 42.0″
Redshift	221 ± 6 km/s
Distance	10.44 ± 0.33 Mly (3.2 ± 0.1 Mpc)
Apparent magnitude (V)	15.5
Absolute magnitude (V)	−11.87
Characteristics
Type	dIrr
Apparent size (V)	1.1′ × 0.9′
Half-light radius (apparent)	29″.4 ± 1″.6
Other designations
	SDIG, PGC 621, ESO 349-031

The Sculptor Dwarf Irregular Galaxy (SDIG) is an irregular galaxy in the constellation Sculptor. It is a member of the NGC 7793 subgroup of the Sculptor Group.^[1]

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.^[3] These galaxies all lie within the Sculptor Group, a weakly bound, filament-like group of galaxies located near the Local Group.^[3]

^ ^a ^b ^c ^d ^e ^f ^g Lianou, S.; Cole, A. A. (2013). "The star formation history of the Sculptor dwarf irregular galaxy". Astronomy & Astrophysics. 549: A47. arXiv:1211.0137. Bibcode:2013A&A...549A..47L. doi:10.1051/0004-6361/201220193. S2CID 55237783.
^ ^a ^b ^c ^d ^e ^f "NASA/IPAC Extragalactic Database". Results for Sculptor Dwarf Irregular. Retrieved 2007-03-15.
^ ^a ^b I. D. Karachentsev; E. K. Grebel; M. E. Sharina; A. E. Dolphin; et al. (2003). "Distances to nearby galaxies in Sculptor". Astronomy and Astrophysics (abstract). 404 (1): 93–111. arXiv:astro-ph/0302045. Bibcode:2003A&A...404...93K. doi:10.1051/0004-6361:20030170. S2CID 54977869.

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