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The elusive stellar halo of the Triangulum Galaxy
B. McMonigal, G. F. Lewis, B. J. Brewer +7
The stellar halos of large galaxies represent a vital probe of the processes of galaxy evolution. They are the remnants of the initial bouts of star formation during the collapse o…
The Outer Envelopes of Globular Clusters. I. NGC 7089 (M2)
P. B. Kuzma, G. S. Da Costa, A. D. Mackey +1
We present the results of a wide-field imaging survey of the periphery of the Milky Way globular cluster NGC 7089 (M2). Data were obtained with MegaCam on the Magellan Clay Telesco…
Structural analysis of the Sextans dwarf spheroidal galaxy
T A Roderick, H Jerjen, G S Da Costa +1
We present wide-field and band stellar photometry of the Sextans dwarf spheroidal galaxy and its surrounding area out to four times its half-light radius (pc), b…
Substructure and Tidal Streams in the Andromeda Galaxy and its Satellites
Annette M. N. Ferguson, A. D. Mackey
Tidal streams from existing and destroyed satellite galaxies populate the outer regions of the Andromeda galaxy (M31). This inhomogeneous debris can be studied without many of the…