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astro-ph.GA2024
HCG 57: Evidence for shock-heated intergalactic gas from X-rays and optical emission line spectroscopy
Ewan O'Sullivan, P. N. Appleton, B. A. Joshi +5
We present Chandra and XMM-Newton X-ray observations of the compact group HCG 57, and optical integral field spectroscopy of the interacting galaxy pair HCG 57A/D. These two spiral…
astro-ph.GA2024
Discovery of An Apparent Red, High-Velocity Type Ia Supernova at z = 2.9 with JWST
J. D. R. Pierel, M. Engesser, D. A. Coulter +27
We present the JWST discovery of SN 2023adsy, a transient object located in a host galaxy JADES-GS with a host spectroscopic redshift of . Th…
astro-ph.GA2024
The Reliability of Type Ia Supernovae Delay Time Distributions Recovered from Galaxy Star Formation Histories
Bhavin A. Joshi, Louis-Gregory Strolger, Yossef Zenati
We present a numerical analysis investigating the reliability of type Ia supernova (SN~Ia) delay-time distributions recovered from individual host galaxy star-formation histories.…