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A self-lensing supermassive binary black hole at radio frequencies: the story of Spikey continues
Emma Kun, Sándor Frey, Krisztina É. Gabányi
The quasar J1918+4937 was recently suggested to harbour a milliparsec-separation binary supermassive black hole (SMBH), based upon modeling the narrow spike in its high-cadence Kep…
A parsec-scale radio jet launched by the central intermediate-mass black hole in the dwarf galaxy SDSS J090613.77+561015.2?
Jun Yang, Leonid I. Gurvits, Zsolt Paragi +4
The population of intermediate-mass black holes (IMBHs) in nearby dwarf galaxies plays an important "ground truth" role in exploring black hole formation and growth in the early Un…
Compact Bright Radio-loud AGNs -- III. A Large VLBA Survey at 43 GHz
X. -P. Cheng, T. An, S. Frey +12
We present the observational results from the 43-GHz Very Long Baseline Array (VLBA) observations of 124 compact radio-loud active galactic nuclei (AGNs) that were conducted betwee…