Astronomy and Astrophysics – Astronomy
Scientific paper
May 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aas...200.4101m&link_type=abstract
American Astronomical Society, 200th AAS Meeting, #41.01; Bulletin of the American Astronomical Society, Vol. 34, p.705
Astronomy and Astrophysics
Astronomy
Scientific paper
We present measurements of the shape of intermediate redshift galaxy clusters drawn from the Las Campanas Distant Cluster Survey (Gonzales et al., 2001). By stacking drift-scan data of 1073 clusters and poor groups in the redshift range 0.3 >= z <= 1.0, we determine the mean properties of the sample, and constrain the tri-axiality and relative orientations (the so-called alignment effect) of the brightest cluster galaxy, the 2nd-order galaxies and the underlying low-surface brightness light. We examine the behavior of these properties as functions of cluster richness, and compare their evolution with redshift to hierachical simulations.
Gonzalez Anthony H.
Monkiewicz J. A.
Simard Luc
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