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astro-ph.GA2025
A Timescale-Resolved Analysis of the Breathing Effect in Quasar Broad Line Regions
C. -Z. Jiang, J. -X. Wang, H. Sou +1
The single-epoch virial method is a fundamental tool for estimating supermassive black hole (SMBH) masses in large samples of AGNs and has been extensively employed in studies of S…
astro-ph.HE2025
The origin of X-ray intra-day variability in HBL PKS 2155-304
W. Hu, J. L. Kang, J. X. Wang +2
The origin and physics of X-ray intra-day variability (IDV) in blazars, which is a long-standing issue, is studied by modelling the broad-band X-ray spectrum, the light curves (LCs…