Computer Science
Scientific paper
Aug 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005noao.prop...77b&link_type=abstract
NOAO Proposal ID #2005B-0077
Computer Science
Scientific paper
We propose to carry out photometry of an additional sample of 750 metal-poor giants, main-sequence turnoff stars, and field horizontal- branch stars selected from the Hamburg/ESO objective prism survey. These stars either have, or soon will have, medium-resolution spectroscopy obtained with various 2.5m - 4m class telescopes, including the SOAR 4.1m. These observations are part of an ongoing search for the most metal-poor stars, which provide fundamental information on the Galaxy's chemical and dynamical history, and horizontal-branch stars, which enable investigations of the kinematics, dynamics, structure, and mass of the Milky Way. We propose to use the SMARTS 0.9m telescope to obtain BVRI and UBV photometry in service (or classical) observing mode. The eventual sample in this long-term program is envisioned to comprise 3000 stars. The first 750 stars on this program will be observed in May during a previously scheduled run.
Beers Timothy C.
Christlieb Norbert
de Lee Nathan
Rossi Silvia
Smith Horace
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