Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20911402s&link_type=abstract
2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #114.02; Bulletin of the American Astronomical Society,
Astronomy and Astrophysics
Astronomy
Scientific paper
Because the supergiant phase of stellar evolution is short relative to the main sequence phase, it is possible to use them as chronometers to reconstruct the spatially resolved recent star formation histories of galaxies (cf., Dohm-Palmer et al. 1997, AJ, 114, 2514). Under the aegis of a cycle 14 HST program to observe a sample of M81 group dwarf galaxies (GO-HST-10605), we have used the star formation history codes of Dolphin (2002, MNRAS, 332, 91) to re-engineer the programs used in Dohm-Palmer et al. and produced automated codes with a wide range of applicability. The ANGST database will allow us our first opportunity to make the transition from analyzing prototypes to analyzing a statistically meaningful sample of galaxies. This promises real progress in quantifying the role of feedback in the evolution of galaxies.
This work is supported by NASA grants HST-GO-10605.01-A and
HST-GO-10915.06-A
ANGST Team
Skillman Evan D.
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