An extremely luminous flare recorded from a supermassive black hole
Gezari, S. Tidal disruption events. Annu. Rev. Astron. Astrophys. 59, 21–58 (2021). Article ADS Google Scholar Komossa, S.…
A million-solar-mass object detected at a cosmological distance using gravitational imaging
Observation The VLBI observation of JVAS B1938+666 used for this work was performed using a global VLBI array…
Constraints on axion-like particles from active galactic nuclei seen through galaxy clusters
ALP propagation equations In this section, we summarize the key theoretical ingredients relevant to the studies of ALPs…