Pre-processing of Galaxies in the Early Stages of Cluster Formation in Abell 1882 at $z$=0.139

12 Feb 2021 Aparajita Sengupta William C. Keel Glenn Morrison Rogier A. Windhorst Neal Miller Brent Smith

A rare opportunity to distinguish internal and environmental effects on galaxy evolution is afforded by "Supergroups", systems which are rich and massive but include several comparably rich substructures, surrounded by filaments. We present here a multiwavelength photometric and spectroscopic study of the galaxy population in the Supergroup Abell 1882 at $z$=0.139, combining new data from the MMT and Hectospec with archival results from the Galaxy And Mass Assembly (GAMA) survey, the Sloan Digital Sky Survey (SDSS), NED, the Gemini Multi-Object Spectrograph (GMOS) and Galaxy Evolution Explorer (GALEX)... (read more)

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