Blazar Variability: A Study of Non-stationarity and the Flux-RMS Relation

Joy Bhattacharyya, Ritesh Ghosh, Ritaban Chatterjee +1

We analyze X-ray light curves of the blazars Mrk 421, PKS 2155-304, and 3C 273 using observations by the Soft X-ray Telescope on board AstroSat and archival XMM-Newton data. We use…