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Star formation history and evolution of gas-rich dwarf galaxies in the Centaurus A group
M. Grossi, M. J. Disney, B. J . Pritzl +4
We analyse the properties of three unusual dwarf galaxies in the Centaurus A group discovered with the HIPASS survey. From their optical morphology they appear to be low surface br…
Deep HST Photometry of NGC 6388: Age and Horizontal Branch Luminosity
M. Catelan, P. B. Stetson, B. J. Pritzl +5
Using the Hubble Space Telescope, we have obtained the first color-magnitude diagram (CMD) to reach the main-sequence turnoff of the Galactic globular cluster NGC 6388. From a comp…
Image-Subtraction Photometry of Variable Stars in the Globular Clusters NGC 6388 and NGC 6441
T. M. Corwin, A. N. Sumerel, B. J. Pritzl +4
We have applied Alard's image subtraction method (ISIS v2.1) to the observations of the globular clusters NGC 6388 and NGC 6441 previously analyzed using standard photometric techn…