Browsing Physics & Atmospheric Science Faculty Research, Publications and Presentations by Author "Cockcroft, Robert"
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The M33 Globular Cluster System with PAndAS Data: The Last Outer Halo Cluster?
Cockcroft, Robert, William E. Harris, Annette M. N. Ferguson, Avon Huxor, et al. 2011. "The M33 Globular Cluster System with PAndAS Data: The Last Outer Halo Cluster?." The Astrophysical Journal 730: 112.We use CFHT/MegaCam data to search for outer halo star clusters in M33 as part of the Pan-Andromeda Archaeological Survey (PAndAS). This work extends previous studies out to a projected radius of 50 kpc and covers over 40 ... -
Unearthing Foundations of a Cosmic Cathedral: Searching the Stars for M33's Halo
Cockcroft, Robert, Alan W. McConnachie, William E. Harris, Rodrigo Ibata, et al. 2012. "Unearthing Foundations of a Cosmic Cathedral: Searching the Stars for M33's Halo." 428(2): 1248-1262We use data from the Pan-Andromeda Archaeological Survey (PAndAS) to search for evidence of an extended halo component belonging to M33 (the Triangulum Galaxy). We identify a population of red giant branch (RGB) stars at ...