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The X-ray Binary Population of the Nearby Dwarf Starburst Galaxy IC 10: Variable and Transient X-ray Sources
Silas G. T. Laycock, Rigel Cappallo, Benjamin F. Williams +3
We have monitored the Cassiopeia dwarf galaxy (IC 10) in a series of 10 Chandra ACIS-S observations to capture its variable and transient X-ray source population, which is expected…
Emission-line stars in M31 from the SPLASH and PHAT surveys
Laura J. Prichard, Puragra Guhathakurta, Katherine M. Hamren +7
We present a sample of 224 stars that emit H (H stars) in the Andromeda galaxy (M31). The stars were selected from 5000 spectra, collected as part of the Spectroscopic…
M31N 2008-12a - The Remarkable Recurrent Nova in M31
M. J. Darnley
M31N 2008-12a is a remarkable recurrent nova within the Andromeda Galaxy. With eleven eruptions now identified, including eight in the past eight years, the system exhibits a recur…
Improved Dynamical Constraints on the Mass of the central Black Hole in NGC 404
Dieu D. Nguyen, Anil C. Seth, Mark den Brok +6
We explore the nucleus of the nearby 10~early-type galaxy (ETGs), NGC~404, using Hubble Space Telescope (HST)/STIS spectroscopy and WFC3 imaging. We first present evid…
The Panchromatic Hubble Andromeda Treasury XVII. Examining Obscured Star Formation with Synthetic Ultraviolet Flux Maps in M31
Alexia R. Lewis, Jacob E. Simones, Benjamin D. Johnson +10
We present synthetic far- and near-ultraviolet (FUV and NUV) maps of M31, both with and without dust reddening. These maps were constructed from spatially-resolved star formation h…
Isolating the young stellar population in the outer disk of NGC 300
Tristan J. Hillis, Benjamin F. Williams, Andrew E. Dolphin +2
The recent star formation history (SFH) in the outer disk of NGC 300 is presented through the analysis of color magnitude diagrams (CMDs). We analyze resolved stellar photometry by…