Science Fair Project Encyclopedia
Dwarf elliptical galaxy
Dwarf elliptical are very small elliptical galaxies, classified as dE. They are quite common, and usually are companions to other galaxies. There are atleast two dE dwarf ellipticals in orbit around the Andromeda galaxy
Examples of Dwarf Ellipticals:
- NGC 147 (DDO 3 ) - type dE5 pec in Cassiopeia
- GR 8 (DDO 155 ) - type Im V
- SagDIG (Sagittarius Dwarf Irregular Galaxy) - type IB(s)m V in Sagittarius
- Barnards Galaxy (NGC 6822 ) - type IB(s)m IV-V in Sagittarius
- Aquarius Dwarf (DDO 210 ) - type Im V in Aquarius
- IC 5152 - type IAB(s)m IV in Indus
- Pegasus Dwarf (DDO 216 ) - type Irr in Pegasus
A subtype of dwarf ellipticals is called dwarf spheroidal galaxy.
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details