158 citations · 614 across the 18 of their papers we have counts for
3 papers · 2 filters
The nature of the Eastern Extent in the outer halo of M31
Janet Preston, Michelle Collins, R. Michael Rich +3
We present the first comprehensive spectroscopic study of the Andromeda galaxy's Eastern Extent. This ~4 degree long filamentary structure. located 70-90 kpc from the centre of M31…
Pisces VII: Discovery of a possible satellite of Messier 33 in the DESI Legacy Imaging Surveys
David Martinez-Delgado, Noushin Karim, Emily J. E. Charles +5
We report deep imaging observations with DOLoRes@TNG of an ultra-faint dwarf satellite candidate of the Triangulum galaxy (M33) found by visual inspection of the public imaging dat…
Andromeda XXI -- a dwarf galaxy in a low density dark matter halo
Michelle L. M. Collins, Justin I. Read, Rodrigo A. Ibata +6
Andromeda XXI (And XXI) has been proposed as a dwarf spheroidal galaxy with a central dark matter density that is lower than expected in the Standard Cold Dark Matter (CDM)…