Physics
Scientific paper
Aug 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000noao.prop..412m&link_type=abstract
NOAO Proposal ID #2000B-0412
Physics
Scientific paper
We propose to gather a time series of multi-band, high-resolution images of 12 galaxy clusters between 0.3< z< 1 over a baseline of 5+ years. This program will yield a wealth of scientific dividends on long and short time-scales including: (a) detection and variability study of ~ 300 low luminosity QSOs/AGN to z< 3.5; (b) detection of faint white dwarfs (WD) to probe the halo + thick disk population and directly test interpretations of micro-lensing experiments; and (c) deep rest- frame UV and optical photometric studies of cluster members to measure evolution and establish `standard candles. This survey requires semi- yearly sampling to I=25 for AGN variability studies. UBRI bands are needed at each epoch to measure the spectral variability of AGN. This project represents a niche science program exploiting long-term access to WIYN, targets well-suited to the Mini-Mosaic field-of-view, blue- sensitive CCDs capable of U band imaging, and a team expert in the various sub-programs. In addition to delivering high scientific returns from WIYN data alone, this survey will establish a baseline for further study with 8m-class telescopes.
Bershady Matthew
Hoessel John
Majewski Steven
Saha Abhijit
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