Pegasus Dwarf Irregular Galaxy
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The Pegasus Dwarf Irregular Galaxy (also known as UGC 12613, DDO 216, A2304, Peg DIG, or the Pegasus Dwarf) is an irregular galaxy and a dwarf galaxy in the direction of the constellation Pegasus. It was discovered by A.G. Wilson in the 1950s. The Pegasus Dwarf is a companion of the Andromeda Galaxy in the Local Group.
General information
The Pegasus Dwarf is a galaxy with mainly metal-poor stellar populations. It is located at right ascension 23h28m36.25s and declination +14d44m34.5s in the equatorial coordinate system (epoch J2000.0).
Pegasus Dwarf Spheroidal was discovered in the 1950s. In 1975 Tully & Fischer determined that it was part of the Local Group. The metallicity and the related distance estimate has been subject to discussions in the scientific literature, with varying results. Distance estimates to this galaxy range from 1000 +/- 80kpc to 1060 +/- 50kpc (3.26 million light years to 3.5 million light years).
Other resources
External link
See also
- Pegasus Dwarf Spheroidal Galaxy (Peg dSph)
- Pegasus galaxy, the Stargate Atlantis fictional location.
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