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Dwarf Irregular Galaxy

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  • Pegasus Dwarf Irregular Galaxy — Observation data (J2000 epoch) Constellation Pegasus Right ascension 23h 28m 36.2s[1] …   Wikipedia

  • Sagittarius Dwarf Irregular Galaxy — Infobox Galaxy name = SagDIG caption = SagDIG by Hubble Space Telescope credit = NASA/ESA/STScI/AURA type = IB(s)mcite web title=NASA/IPAC Extragalactic Database work=Results for Sagittarius Dwarf Irregular url=http://nedwww.ipac.caltech.edu/cgi… …   Wikipedia

  • Sculptor Dwarf Irregular Galaxy — Infobox Galaxy name = Sculptor Dwarf Irregular epoch = J2000 type = IBmcite web title=NASA/IPAC Extragalactic Database work=Results for Sculptor Dwarf Irregular url=http://nedwww.ipac.caltech.edu/cgi bin/nph… …   Wikipedia

  • Dwarf elliptical galaxy — Dwarf elliptical galaxies, or dEs, are elliptical galaxies that are much smaller than others. They are classified as dE, and are quite common in galaxy groups and clusters, and are usually companions to other galaxies. Contents 1 Examples 2… …   Wikipedia

  • Dwarf spheroidal galaxy — NGC 147, a dwarf spheroidal galaxy of the Local Group Dwarf spheroidal galaxy (dSph) is a term in astronomy applied to low luminosity galaxies that are companions to the Milky Way and to the similar systems that are companions to the Andromeda… …   Wikipedia

  • Dwarf spiral galaxy — A dwarf spiral galaxy is the dwarf version of a spiral galaxy. Dwarf galaxies are characterized as having low luminosities, small diameters (less than 5 kpc), low surface brightnesses, and low hydrogen masses.[1] The galaxies may be considered a… …   Wikipedia

  • Irregular galaxy — An irregular galaxy is a galaxy that does not fall into any of the regular classes of the Hubble sequence. These are galaxies that feature neither spiral nor elliptical morphology. They are often chaotic in appearance, with neither a nuclear… …   Wikipedia

  • Pegasus Dwarf Spheroidal Galaxy — Infobox Galaxy name = Pegasus Dwarf Spheroidal Galaxy caption = type = dSphcite journal author=Karachentsev, I. D.; Kashibadze, O. G. title=Masses of the local group and of the M81 group estimated from distortions in the local velocity field… …   Wikipedia

  • Sagittarius Dwarf Elliptical Galaxy — Infobox Galaxy caption = name = Sagittarius Dwarf Elliptical Galaxycite web title=SIMBAD Astronomical Database work=Results for Sagittarius Dwarf Spheroidal url=http://simbad.u strasbg.fr/Simbad accessdate=2006 11 28 ] epoch = J2000 type =… …   Wikipedia

  • Dwarf galaxy — UGC 9128 is a dwarf irregular galaxy, it probably contains only around one hundred million stars. A dwarf galaxy is a small galaxy composed of up to several billion stars, a small number compared to our own Milky Way s 200 400 billion stars. The… …   Wikipedia

  • Galaxy groups and clusters — are the largest known gravitationally bound objects to have arisen thus far in the process of cosmic structure formation.[1] They form the densest part of the large scale structure of the universe. In models for the gravitational formation of… …   Wikipedia

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