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The ORELSE Survey

Published online by Cambridge University Press:  01 August 2006

Roy Gal ,
L. M. Lubin  and
G. K. Squires
Roy Gal
Affiliation:
Institute for Astronomy, 2680 Woodlawn Dr., Honolulu, HI 96817USA email: [email protected]
L. M. Lubin
Affiliation:
Department of Physics, University of California - Davis
G. K. Squires
Affiliation:
Spitzer Science Center, Caltech
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Abstract

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The ORELSE Survey (Observations of Redshift Evolution in Large Scale Environments) is a multi-wavelength program to study the large-scale structure around a sample of 20 z>0.6 clusters, with the goal of understanding transformative processes affecting galaxies in a broad range of environments. The survey includes (1) deep optical imaging to map structure around the clusters; (2) optical spectroscopy to confirm redshifts, map the galaxy distribution, obtain cluster masses via dynamical estimates, and measure spectral properties; (3) ground-based K-band imaging, to better constrain galaxy stellar masses and improve photometric redshift estimates; (4) near-IR spectroscopy to study post-starburst galaxies and AGN; (5) HST imaging to obtain galaxy morphologies; (6) Spitzer IRAC and MIPS imaging to separate starburst and AGN populations, and examine dusty galaxies; and (7) Chandra and VLA mapping to find X-ray and radio-loud AGN that are not evident from optical data. We discuss here the motivation and some early results.

Keywords

galaxies: clusters: generalgalaxies: evolutionlarge-scale structure of universeSurveys
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S235: Galaxy Evolution Across the Hubble Time , August 2006 , pp. 165 - 166
Copyright
Copyright © International Astronomical Union 2007

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