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Andromeda XVII: A New Low Luminosity Satellite of M31
Mike Irwin, Annette Ferguson, Avon Huxor +3
We report the discovery of a new dwarf spheroidal galaxy near M31 based on INT/WFC imaging. The system, Andromeda XVII (And XVII), is located at a projected radius of ~44 kpc from…
The three dimensional structure of the giant stellar stream in Andromeda
A. W. McConnachie, M. J. Irwin, R. A. Ibata +3
The wide-field CCD camera at the CFH telescope was used to survey the giant stellar stream in the Andromeda galaxy, resolving stars down the red giant branch in M31 to I ~ 25, a ma…
The Spectacular Ionized Interstellar Medium of NGC55
Annette M. N. Ferguson, Rosemary F. G. Wyse, J. S. Gallagher
We present deep Halpha+[NII], [SII] (6716,6731A) and [OII] (3726,3729A) images of the highly inclined, actively star--forming SBm galaxy NGC 55, located in the nearby Sculptor Grou…