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From the 1 of 17 linked papers with an AI index.

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20242026
most citedMulti-messenger flare in the quasar PKS 0446+11

2 citations · 2 across the 8 of their papers we have counts for

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astro-ph.HE2025

Relativistic Jets and Winds in Radio-Identified Supermassive Black Hole Binary Candidates

Andrew G. Sullivan, Roger D. Blandford, Anna Synani +4

Supermassive black hole binary systems (SMBHBs) are thought to emit the recently discovered nHz gravitational wave background; however, not a single individual nHz source has been…

astro-ph.HE2025

Compelling Evidence for a Harmonic in the Light Curve of the Supermassive Black Hole Binary Candidate PKS J1309+1154

A. C. S. Readhead, M. F. Aller, A. G. Sullivan +23

We recently discovered a supermassive black hole binary (SMBHB) candidate, PKS J1309+1154, in the combined 46-yr University of Michigan Radio Astronomy Observatory (UMRAO) plus Owe…

astro-ph.HE2025

Characterizing Candidate Blazar Counterparts of the Ultra-High-Energy Event KM3-230213A

KM3NeT Collaboration, MessMapp Group, LAT Collaboration +13

High-energy astrophysical neutrinos serve as crucial messengers for understanding hadronic acceleration processes and identifying the origins of cosmic rays, with blazars among the…

astro-ph.HE2025

A Search for Supermassive Black Hole Binary Candidates in 46-Year Radio Light Curves of 83 Blazars

B. Molina, P. Mróz, P. V. De la Parra +23

The combined University of Michigan Radio Astronomy Observatory (UMRAO) and Owens Valley Radio Observatory (OVRO) blazar monitoring programs at 14.5/15 GHz provide uninterrupted li…

astro-ph.HE2025

Pinpointing the location of the gamma-ray emitting region in the FSRQ 4C+01.28

F. Rösch, M. Kadler, E. Ros +5

The FSRQ 4C+01.28 is a bright and highly variable radio and -ray emitter. We aim to pinpoint the location of the -ray emitting region within its jet in order to derive stro…

astro-ph.HE2025

Atacama Cosmology Telescope: Observations of supermassive black hole binary candidates. Strong sinusoidal variations at 95, 147 and 225 GHz in PKS 2131021 and PKS J08050111

Adam D. Hincks, Xiaoyi Ma, Przemek Mróz +23

Large sinusoidal variations in the radio light curves of the blazars PKS J08050111 and PKS 2131021 have recently been discovered with an 18-year monitoring programme at the O…