Comparisons of Local Group Stellar Populations: Construction of a Public Database

Details Comparisons of Local Group Stellar Populations: Construction of a Public Database Comparisons of Local Group Stellar Populations: Construction of a Public Database

Jul 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000hst..prop.8749h&link_type=abstract

HST Proposal ID #8749

Computer Science

Hst Proposal Id #8749 Stellar Populations

Scientific paper

We propose to construct a public database of stellar photometry of resolved stellar populations within Local Group galaxies. We will use this database to compare stellar population characteristics of different regions in the Local Group differentially, avoiding some of the complications of comparisons with stellar evolution models, and to synthesize the results. In particular, we will address the following issues: beginitemize em What are the relative ages of the oldest populations in Milky Way neighbors? em To what degree is star formation is ``bursty'' in different Local Group galaxies? em Is there direct evidence for variations in the IMF in nearby galaxies? em What is the ``average cosmic star formation history" for dwarf galaxies in the Local Group? em What is the amount of mechanical and radiative energy input into the ISMs of different galaxies by massive stars? enditemize

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