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Evidence for a Dense, Inhomogeneous Circumstellar Medium in the Type Ia SNR 0519-69.0
Brian J. Williams, Parviz Ghavamian, Ivo R. Seitenzahl +3
We perform an expansion study of the Balmer dominated outer shock of the SNR 051969.0 in the LMC by using a combination of new HST WFC3 imagery obtained in 2020 and archival ACS…
Imagery and UV Spectroscopy of the LMC Supernova Remnant N103B Using HST
William P. Blair, Parviz Ghavamian, John C. Raymond +6
We present HST/WFC3 multiband imagery of N103B, the remnant of a Type Ia supernova in the Large Magellanic Cloud, as well as HST/COS ultraviolet spectroscopy of the brightest radia…
The Quiescent Intracluster Medium in the Core of the Perseus Cluster
Hitomi Collaboration, Felix Aharonian, Hiroki Akamatsu +213
Clusters of galaxies are the most massive gravitationally-bound objects in the Universe and are still forming. They are thus important probes of cosmological parameters and a host…
Second Epoch Hubble Space Telescope Observations of Kepler's Supernova Remnant: The Proper Motions of Balmer Filaments
Ravi Sankrit, John C. Raymond, William P. Blair +5
We report on the proper motions of Balmer-dominated filaments in Kepler's supernova remnant using high resolution images obtained with the Hubble Space Telescope at two epochs sepa…
Spitzer IRS Observations of the XA Region in the Cygnus Loop Supernova Remnant
R. Sankrit, J. C. Raymond, M. Bautista +5
We report on spectra of two positions in the XA region of the Cygnus Loop supernova remnant obtained with the InfraRed Spectrograph on the Spitzer Space Telescope. The spectra span…
A High-Resolution X-Ray and Optical Study of SN 1006: Asymmetric Expansion and Small-Scale Structure in a Type Ia Supernova Remnant
P. Frank Winkler, Brian J. Williams, Stephen P. Reynolds Robert Petre +3
We introduce a deep (670 ks) X-ray survey of the SN1006 remnant from Chandra, plus a deep H-alpha image from the 4m telescope at CTIO. Comparison with Chandra images from 2003 give…