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Deep HST Imaging of Sextans A I. The Spatially Resolved Recent Star Formation History
R. C. Dohm-Palmer, E. D. Skillman, M. Mateo +5
We have measured stellar photometry from deep Cycle 7 Hubble Space Telescope/WFPC2 imaging of the dwarf irregular galaxy Sextans A. The imaging was taken in three filters: F555W ($…
TTauri Stars in the Large Magellanic Cloud: a combined HST and VLT effort
Martino Romaniello, Nino Panagia, Salvatore Scuderi +4
The combination of the unprecedented spatial resolution attainable with WFPC2 on board HST and of the large collecting area of the VLT makes it possible to study in detail the low…
Observational Evidence for Galaxy Evolution in the Local Group
Eline Tolstoy
This review aims to give a summary of our understanding of galaxy evolution as infered from studies of nearby galaxies; how observations made with the Hubble Space Telescope have c…
Using the Ca II Triplet to Trace Abundance Variations in Individual Red Giant Branch stars in Three Nearby Galaxies
Eline Tolstoy, Michael J. Irwin, Andrew A. Cole +3
Spectroscopic abundance determinations for stars spanning a Hubble time in age are necessary in order to unambiguously determine the evolutionary histories of galaxies. Using FORS1…