Ultra-Compact Dwarf (UCD) galaxies in the Antlia cluster

2; (2) Ialp; 3); 3) ((1)FCAGLP; (3) Conicet; Argentina); A. V. Smith Castelli (1; J. P. Caso (1); L. P. Bassino (1

arxiv: 0912.2072 · v1 · submitted 2009-12-10 · 🌌 astro-ph.CO

Ultra-Compact Dwarf (UCD) galaxies in the Antlia cluster

J. P. Caso (1) , L. P. Bassino (1 , 2 , 3) , A. V. Smith Castelli (1 , 3) ((1)FCAGLP , (2) Ialp , (3) Conicet

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Argentina)

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keywords dwarfgalaxiesantliaclusterultra-compactbrightnesscentralclusters

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We present preliminary results of the search for Ultra-compact dwarf galaxies in the central region of the Antlia cluster. This new kind of stellar system has brightness, mass and size between those observed in globular clusters and early-type dwarf galaxies, but their origin is not well understood yet.

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Ultra-Compact Dwarf (UCD) galaxies in the Antlia cluster

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