Other
Scientific paper
Jul 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002hst..prop.9540c&link_type=abstract
HST Proposal ID #9540
Other
Hst Proposal Id #9540 Cosmology
Scientific paper
We propose to process and combine with state-of-the-art tools the majority of the WFPC2 images obtained as part of Archival Pure Parallel Program, consisting of observations of over 3, 000 random pointings primarily in the wide WFPC2 UBVI filters. We will produce combined and cosmic-ray cleaned images, as well as object catalogs, for over 2, 000 of these pointings. We will use these data to address a wide range of science topics: measuring the cosmic shear on scales from 20" to 2' , discovering 50 starforming galaxies at z 4 , finding optical counterparts to AGNs in wide-area radio and X- ray catalogs, improving the determination of the scale length of the Galactic disk, and studying stellar populations down to 1 M{sun} for about 50 separate lines of sight in the LMC. The same data will be available to the astronomical community for a wide variety of other investigations, thus helping realize the legacy of WFPC2 parallel images.
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