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]

Nearby galaxies and galaxy group information[edit]

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]

Sculptor Dwarf Irregular Galaxy close up by Hubble Space Telescope

See also[edit]

  • Sculptor Dwarf Galaxy – a dwarf spheroidal or elliptical galaxy, also in Sculptor, but significantly closer; a satellite of the Milky Way.

References[edit]

  1. ^ a b c d e f g h i "NASA/IPAC Extragalactic Database". Results for Sculptor Dwarf Irregular. Retrieved 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". Astronomy and Astrophysics (abstract) 404 (1): 93–111. arXiv:astro-ph/0302045. Bibcode:2003A&A...404...93K. doi:10.1051/0004-6361:20030170. 

External links[edit]

Coordinates: Sky map 00h 08m 13.3s, −34° 34′ 42″