activity
20062026
most citedRadioAstron Observations of the Quasar 3C273: a Challenge to the Brightness Temperature Limit

95 citations · 306 across the 16 of their papers we have counts for

collaborators

17 papers

astro-ph.HE2026

RadioAstron space-VLBI imaging of the jet in M87: II. The parsec-scale structure at 4.8 GHz

Evgeniya V. Kravchenko, Tuomas Savolainen, Alexey S. Nikonov +9

We present RadioAstron observations of the M87 jet obtained on 2014 February 4-5 at 4.8 GHz ( cm). The correlated signals between the 10-m space antenna and ground-based rad…

astro-ph.HE2026

Broadband multiwavelength properties of the archetypal blazar 3C 279 during the 2017 Event Horizon Telescope campaign

G. Principe, J. C. Algaba, E. Aviano +529

The archetypal blazar 3C 279 hosts a prominent relativistic jet and exhibits strong broadband variability across the electromagnetic spectrum. In April 2017, the Event Horizon Tele…

astro-ph.GA2026

Heavy interstellar scattering toward the near end of the Galactic bar

A. B. Pushkarev, A. Brunthaler, Y. Y. Kovalev +8

We present results of a pilot observational wide-field VLBI campaign on probing scattering properties of the partly ionized interstellar medium towards the Galactic plane sky regio…

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★ 13 cited

A multi-frequency study of sub-parsec jets with the Event Horizon Telescope

Jan Röder, Maciek Wielgus, Andrei P. Lobanov +287

The 2017 observing campaign of the Event Horizon Telescope (EHT) delivered the first very long baseline interferometry (VLBI) images at the observing frequency of 230 GHz, leading…

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…