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Perseus I: A distant satellite dwarf galaxy of Andromeda
Nicolas F. Martin, Edward F. Schlafly, Colin T. Slater +19
We present the discovery of a new dwarf galaxy, Perseus I/Andromeda XXXIII, found in the vicinity of Andromeda (M31) in stacked imaging data from the Pan-STARRS1 3π survey. Located…
Confronting Models of Dwarf Galaxy Quenching with Observations of the Local Group
Colin T. Slater, Eric F. Bell
A number of mechanisms have been proposed to connect star-forming dwarf irregular galaxies with the formation of non-star-forming dwarf spheroidal galaxies, but distinguishing betw…
Lacerta I and Cassiopeia III: Two luminous and distant Andromeda satellite dwarf galaxies found in the 3π Pan-STARRS1 survey
Nicolas F. Martin, Colin T. Slater, Edward F. Schlafly +17
We report the discovery of two new dwarf galaxies, Lacerta I/Andromeda XXXI (Lac I/And XXXI) and Cassiopeia III/Andromeda XXXII (Cas III/And XXXII), in stacked Pan-STARRS1 r_P1- an…
Andromeda XXIX: A New Dwarf Spheroidal Galaxy 200kpc from Andromeda
Eric F. Bell, Colin T. Slater, Nicolas F. Martin
We report the discovery of a new dwarf galaxy, Andromeda XXIX, using data from the recently-released Sloan Digital Sky Survey DR8, and confirmed by Gemini North telescope Multi-Obj…