3 papers
astro-ph.GA2026
A Changing-Look Seyfert Discovered by eROSITA Reveals a Two-Component Broad-Line Region
Alex Markowitz, Mirko Krumpe, David Homan +12
Extreme sudden changes in the flow of accreting gas onto SMBHs manifest themselves via large-amplitude continuum variability and changes to broad Balmer emission profiles, driving…
astro-ph.SR2025
Discovering Cataclysmic Variables from the Rubin Observatory LSST
D. A. H. Buckley, Y. Tampo, P. Szkody +8
The Vera C. Rubin Observatory's Legacy Survey of Space and Time (LSST) will provide a windfall of new transients and variable sources. Here we have performed mock observation simul…
astro-ph.HE2025
Multi-wavelength Study of HESS J0632+057: New Insights into Pulsar-Disk Interaction
Jaegeun Park, Hongjun An, Chanho Kim +60
We present an analysis of new multi-wavelength observations of the TeV gamma-ray binary HESS J0632+057, conducted using SALT, Swift, NuSTAR, and VERITAS in 2023--2024. By combining…