Computer Science
Scientific paper
Aug 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008noao.prop..440l&link_type=abstract
NOAO Proposal ID #2008B-0440
Computer Science
Scientific paper
The largest and most uniform dataset on the histories of star formation will be created with the ACS Nearby Galaxy Survey Treasury (ANGST) program and the Archival of Nearby Galaxies: Reuse, Reduce, Recycle (ANGRRR) programs, which aim, respectively, (1) to secure complete and uniform HST imaging of a volume-limited sample of galaxies out to 3.5 Mpc, and (2) to obtain homogeneous reductions of archival WFPC2/ACS imaging data of galaxies out to a distance of about 5 Mpc. These will provide some of the best and deepest data for the closest galaxies, with derived star-formation rates at ages from tens of Myr to a few Gyr. To obtain H(alpha) imaging for galaxies with existing HST ACS and WFPC2 data and to complete the observations from the first-half of the year (semester 2008A), we request in semester 2008B two nights on the Kitt Peak 2.1-m telescope and seven nights on the Cerro Tololo 0.9-m telescope. Since there are no published H(alpha) data for these galaxies, our data will pin down the present-day star-formation rate in the construction of their subsequent histories of star formation.
Covarrubias Ricardo
Croxall Kevin
Dalcanton Julianne
Lee Henry
Lee Janice
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