. AGN ubiquitously produce strong X-ray emissions, believed to originate in a compact region near the central black hole, the so-called corona.
Such eclipse events are rare and unpredictable, with less than five full eclipse events with clear ingress/egress periods captured so far. Meanwhile, the interpretation of these events is also challenging, because AGN is intrinsically variable and one can hardly distinguish the intrinsic variation from the variation caused by the eclipsing absorption.
We have summarized this news so that you can read it quickly. If you are interested in the news, you can read the full text here. Read more: