2 papers
astro-ph.HE2025
Cassiopeia A's Reverse Shock and its Effects on the Expanding SN Ejecta
Robert A. Fesen, Dan Milisavljevic, Daniel Patnaude +4
Using optical and near-infrared images of the Cassiopeia A (Cas A) supernova remnant covering the time period 1951 to 2022, together with optical spectra of selected filaments, we…
astro-ph.HE2024
Late-Time Optical and X-ray Emission Evolution of the Oxygen-Rich SN 1996cr
Daniel Patnaude, Kathryn Weil, Robert Fesen +2
When the ejecta of supernovae interact with the progenitor star's circumstellar environment, a strong shock is driven back into the ejecta, causing the material to become bright op…