Sculptor Dwarf Irregular Galaxy

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]
Apparent magnitude (V) 15.5[1]
Characteristics
Type IBm[1]
Apparent size (V) 1′.1 × 0′.9[1]
Other designations
SDIG,[1] PGC 621,[1] ESO 349-031[1]

The Sculptor Dwarf Irregular Galaxy (SDIG) is an irregular galaxy in the constellation Sculptor. The galaxy was discovered in 1976.

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]

Sculptor Dwarf Irregular Galaxy close up by Hubble Space Telescope

See also

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

References

  1. 1 2 3 4 5 6 7 8 9 "NASA/IPAC Extragalactic Database". Results for Sculptor Dwarf Irregular. Retrieved 2007-03-15.
  2. 1 2 3 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.

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


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.