Exploring the Nature of Extended ChaMPx Sources

Details Exploring the Nature of Extended ChaMPx Sources Exploring the Nature of Extended ChaMPx Sources

Feb 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011noao.prop..562b&link_type=abstract

NOAO Proposal ID #2011A-0562

Computer Science

Scientific paper

We propose to use the NOAO/KPNO 2.1m telescope to observe optical counterparts of 11 serendipitously detected Chandra extended X-ray sources that lack deep optical coverage. Our deep SDSS riz imaging will allow us to; 1) verify the galaxy cluster nature of our extended X-ray sources, 2) estimate photometric redshifts (z≲ 1.1) using the location of the cluster red-sequence in the color- magnitude plane, 3) quantify our optical/X-ray cluster detection methods by constraining the optical cluster mass selection function based on a comparison of the cluster X-ray luminosity/temperature with optical richness, and 4) measure cluster characteristics, such as the color- magnitude relation, luminosity function, and various optical/X-ray properties. This proposal will allow us to finish compiling a statistically meaningful sample in which to robustly compare various optical cluster detection schemes with a well-understood X-ray extended source selection technique.

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