Witnessing the Hierarchical Assembly of the Brightest Cluster Galaxy in a Cluster at [CLC][ITAL]z[/ITAL][/CLC] = 1.26

2002/08/08 by T. Yamada, Tōru Yamada, Y. Koyama +12
Physics and Astronomy · #Astronomy and Astrophysical Research #Galaxies: Formation, Evolution, Phenomena #Stellar, planetary, and galactic studies #astro-ph

paper · pdf · doi:10.1086/344400

published as Astrophys.J. 577 (2002) L89-L92 · 14 pages, 5 figures, to be appeared in ApJ Letters

arxiv created 2002/08/08 · openalex publication_date 2002/09/24 · arxiv updated 2009/12/01 · openalex created_date 2019/06/27 · openalex updated_date 2026/07/28

Abstract

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

Citations

• The K-band Hubble diagram for the brightest cluster galaxies: a test of hierarchical galaxy formation models
• Alignments of the Dominant Galaxies in Poor Clusters
• Cluster Galaxy Evolution from a New Sample of Galaxy Clusters at 0.3 <z< 0.9
• The Galaxy Population of Cluster RX J0848+4453 at [CLC][ITAL]z[/ITAL][/CLC] = 1.27