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Deep Near-Infrared Imaging of a Field in the Outer Disk of M82 with the ALTAIR Adaptive Optics System on Gemini North
T. J. Davidge, J. Stoesz, F. Rigaut +2
Deep H and K' images, recorded with the ALTAIR adaptive optics system and NIRI imager on Gemini North, are used to probe the red stellar content in a field with a projected distanc…
The Asymptotic Giant Branch of NGC 205: The Characteristics of Carbon Stars and M Giants Identified from JHK' Images
T. J. Davidge
J, H, and K' images are used to investigate the asymptotic giant branch (AGB) content of the Local Group dwarf elliptical galaxy NGC 205. The AGB on the (K, H-K) and (K, J-K) color…
The Metallicity of the Red Giant Branch in the Disk of NGC 6822
T. J. Davidge
Deep J, H, and K' images obtained with the Canada-France-Hawaii Telescope adaptive optics system are used to investigate the metallicity of red giant branch (RGB) stars in three fi…
The Outer Regions of the Nearby Sc Galaxies NGC 2403 and M33: Evidence for an Intermediate Age Population at Large Radii
T. J. Davidge
Deep g'r'i'z' images obtained with the Gemini Multi-Object Spectrograph are used to investigate the stellar content in the outer regions of the nearby Sc galaxies NGC 2403 and M33.…