Probing the innermost regions of AGN jets and their magnetic fields with RadioAstron IV. The quasar 3C 345 at 18 cm: Magnetic field structure and brightness temperature

no code implementations • 8 Feb 2021 • F. M. Pötzl, A. P. Lobanov, E. Ros, J. L. Gómez, G. Bruni, U. Bach, A. Fuentes, L. I. Gurvits, D. L. Jauncey, Y. Y. Kovalev, E. V. Kravchenko, M. M. Lisakov, T. Savolainen, K. V. Sokolovsky, J. A. Zensus

We study the innermost jet morphology and magnetic field strength in the AGN 3C 345 with an unprecedented resolution using images obtained within the framework of the key science programme on AGN polarisation of the Space VLBI mission RadioAstron.

High Energy Astrophysical Phenomena

A bias in VLBI measurements of the core shift effect in AGN jets

no code implementations • 22 Oct 2020 • I. N. Pashchenko, A. V. Plavin, A. M. Kutkin, Y. Y. Kovalev

The bias is typically comparable to the core shift random error and can reach a factor of two for jets with large apparent opening angles.

Astrophysics of Galaxies