Mass assembly and AGN activity at $z\gtrsim1.5$ in the dense environment of XDCPJ0044.0-2033
Journal
Date Issued
2022
Author(s)
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Fassbender, R.
Abstract
XDCP0044.0-2033 is the most massive galaxy cluster known at z>1.5 and its
core shows a high density of galaxies which are experiencing mergers and
hosting nuclear activity. We present a multi-wavelength study of a region
located 157 kpc from the center of this galaxy cluster, for which we have
photometric and spectroscopic multi-wavelength observations (high resolution
HST images in F105W, F140W and F160W bands, NIR KMOS data in H and YJ bands and
Chandra ACIS-S X-ray data). Our main goal is to investigate the environmental
effects acting on the galaxies inhabiting this high density region. We find
that the analyzed region hosts at least nine different sources, six of them
confirmed to be cluster members within a narrow redshift range 1.5728
Volume
668
Start page
A123
Issn Identifier
0004-6361
Ads BibCode
2022A&A...668A.123L
Rights
open.access
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