3 papers
astro-ph.GA2026
SMUDGes Below the Surface: Clusters Confirm the Diversity of Low-Surface-Brightness Galaxies
Donghyeon J. Khim, Dennis Zaritsky, Loraine Sandoval Ascencio +2
We use spatially resolved Keck Cosmic Web Imager spectroscopy to study high-surface-brightness stellar components and internal kinematics in 44 low-surface-brightness galaxies from…
astro-ph.GA2026
Systematically Measuring Ultra-Diffuse Galaxies. IX. A Gyr in the Life of Nearby Low Surface Brightness Galaxies
Dennis Zaritsky, Richard Donnerstein, Loraine Sandoval Ascencio +3
We augment the published optical photometry of ultra-diffuse galaxy candidates in the SMUDGes catalog with UV and IR measurements to investigate the recent ( Gyr) star formatio…
astro-ph.HE2023
SN 2023ixf in Messier 101: Photo-ionization of Dense, Close-in Circumstellar Material in a Nearby Type II Supernova
W. V. Jacobson-Galan, L. Dessart, R. Margutti +65
We present UV/optical observations and models of supernova (SN) 2023ixf, a type II SN located in Messier 101 at 6.9 Mpc. Early-time ("flash") spectroscopy of SN 2023ixf, obtained p…