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Witnessing the Hierarchical Assembly of the Brightest Cluster Galaxy in a Cluster at z = 1.26

Yamada, Tomu; Koyama, Y; Nakata, F; Kajisawa, M; Tanaka, Ichi; Kodama, T; Okamura, Satoshi; De Propris, Roberto


We have obtained a new high-resolution K′-band image of the central region of the rich X-ray cluster RX J0848.9+4452 at z = 1.26. We found that the brightest cluster galaxy (BCG) in the cluster is clearly separated into two distinct objects. Whereas the

CollectionsANU Research Publications
Date published: 2002
Type: Journal article
Source: Astrophysical Journal, The
DOI: 10.1086/344400


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