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Connecting the long-term variability behaviour of active galactic nuclei to their central engines
Sofia Kankkunen, Merja Tornikoski, Talvikki Hovatta
Analysing the long-term radio variability of active galactic nuclei (AGNs) is essential to understanding the physics of relativistic jets launched by supermassive black holes. We a…
Active galactic nucleus time-variability analysis and its caveats
Sofia Kankkunen, Merja Tornikoski, Talvikki Hovatta
In this study, we demonstrate some of the caveats in common statistical methods used for analysing astronomical variability timescales. We consider these issues specifically in the…
Long-term radio variability of active galactic nuclei at 37 GHz
Sofia Kankkunen, Merja Tornikoski, Talvikki Hovatta +1
We present the results of analysing the long-term radio variability of active galactic nuclei at 37 GHz using data of 123 sources observed in the Aalto University Metsähovi Radio O…