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Bruni, G. (author), Gómez, J. L. (author), Vega-García, L. (author), Lobanov, A. P. (author), Fuentes, A. (author), Savolainen, T. (author), Kovalev, Y. Y. (author), Perucho, M. (author), Gurvits, L. (author)We present Space-VLBI RadioAstron observations at 1.6 GHz and 4.8 GHz of the flat spectrum radio quasar 3C 273, with detections on baselines up to 4.5 and 3.3 Earth Diameters, respectively. Achieving the best angular resolution at 1.6 GHz to date, we have imaged limb-brightening in the jet, not previously detected in this source. In contrast,...journal article 2021
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Agudo, I. (author), Bottcher, M. (author), Falcke, H. (author), Georganopoulos, M. (author), Ghisellini, G. (author), Giovannini, G. (author), Giroletti, M. (author), Gomez, J.L. (author), Gurvits, L. (author), Laing, R. (author), Lister, M. (author), Marti, J.M. (author), Meyer, E.T. (author), Mizuno, Y. (author), O'Sullivan, S. (author), Padovani, P. (author), Paragi, Z. (author), Perucho, M. (author), Schleicher, D. (author), Stawarz, L. (author), Vlahakis, N. (author), Wardle, J. (author)Relativistic jets in active galactic nuclei (AGN) are among the most powerful astrophysical objects discovered to date. Indeed, jetted AGN studies have been considered a prominent science case for SKA, and were included in several different chapters of the previous SKA Science Book (Carilli & Rawlings 2004). Most of the fundamental questions...journal article 2014