The abundance and spatial distribution of ultra-diffuse galaxies in nearby galaxy clusters

Recent observations have highlighted a significant population of faint but large (reff> 1.5 kpc) galaxies in the Coma cluster. The origin of these ultra diffuse galaxies (UDGs) remains puzzling, as the interpretation of these observational results has been hindered by the (partly) subjective sele...

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Veröffentlicht in:	Astronomy and astrophysics (Berlin) 2016-06, Vol.590, p.A20
Hauptverfasser:	van der Burg, Remco F. J., Muzzin, Adam, Hoekstra, Henk
Format:	Artikel
Sprache:	eng
Schlagworte:	Abundance Clusters Coma Dwarf galaxies Galactic clusters Galaxies galaxies: clusters: general galaxies: dwarf galaxies: evolution galaxies: formation Radial distribution Sciences of the Universe Size distribution
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Beschreibung
Zusammenfassung:	Recent observations have highlighted a significant population of faint but large (reff> 1.5 kpc) galaxies in the Coma cluster. The origin of these ultra diffuse galaxies (UDGs) remains puzzling, as the interpretation of these observational results has been hindered by the (partly) subjective selection of UDGs, and the limited study of only the Coma (and some examples in the Virgo-) cluster. In this paper we extend the study of UDGs using eight clusters in the redshift range 0.044
ISSN:	0004-6361 1432-0746 1432-0756
DOI:	10.1051/0004-6361/201628222