Wandering globular clusters: the first dwarf galaxies in the universeReportar como inadecuado



 Wandering globular clusters: the first dwarf galaxies in the universe


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In the last decade we witness an advent of new types of dwarf stellar systems in cluding ultra-compact dwarfs, ultra-faint dwarf spheroidals, and exotic globular clusters, breaking the old simple paradigm for dwarf galaxies and globular clusters. These objects become more intriguing, and understanding of these new findings be comes more challenging. Recently we discovered a new type of large scale structure in the Virgo cluster of galaxies: it is composed of globular clusters. Globular clusters in Virgo are found wandering between galaxies intracluster globular clusters as well as in galaxies. These intracluster globular clusters fill a significant fraction in the area of the Virgo cluster and they are dominated by blue globular clusters. These intracluster globular clusters may be closely related with the first dwarf galaxies in the universe.



Autor: Myung Gyoon Lee; Sungsoon Lim; Hong Soo Park; Ho Seong Hwang; Narae Hwang

Fuente: https://archive.org/







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