390 citations · 704 across the 25 of their papers we have counts for
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astro-ph.GA2023★ 1 cited
Milliarcsecond-scale radio structure of the most distant BL Lac object candidate at redshift 6.57
S. Frey, Y. Zhang, K. Perger +7
The existence of accreting supermassive black holes up to billions of solar masses at early cosmological epochs (in the context of this work, redshifts z>=6) requires very fast gro…
astro-ph.HE2023★ 7 cited
Unveiling the Bent Jet Structure and Polarization of OJ 287 at 1.7 GHz with Space VLBI
Ilje Cho, José L. Gómez, Rocco Lico +16
We present total intensity and linear polarization images of OJ287 at 1.68GHz, obtained through space-based VLBI observations with RadioAstron on April 16, 2016. The observations w…
astro-ph.GA2023
J2102+6015: an Intriguing Radio-loud Active Galactic Nucleus in the Early Universe
S. Frey, T. An, K. Gabányi +10
The powerful high-redshift quasar J2102+6015 (at z=4.575) may provide useful information for studying supermassive black hole growth, galaxy evolution and feedback in the early Uni…