Detection statistics of the RadioAstron AGN survey

Y.Y. Kovalev, N.S. Kardashev, K.V. Sokolovsky, P.A. Voitsik, T. An, J.M. Anderson, A.S. Andrianov, V.Yu. Avdeev, N. Bartel, H.E. Bignall, M.S. Burgin, P.G. Edwards, S.P. Ellingsen, S. Frey, C. García-Miró, M.P. Gawroński, F.D. Ghigo, T. Ghosh, G. Giovannini, I.A. GirinM. Giroletti, L.I. Gurvits, D.L. Jauncey, S. Horiuchi, D.V. Ivanov, M.A. Kharinov, J.Y. Koay, V.I. Kostenko, A.V. Kovalenko, Yu.A. Kovalev, E.V. Kravchenko, M. Kunert-Bajraszewska, A.M. Kutkin, S.F. Likhachev, M.M. Lisakov, I.D. Litovchenko, J.N. McCallum, A. Melis, A.E. Melnikov, C. Migoni, D.G. Nair, I.N. Pashchenko, C.J. Phillips, A. Polatidis, A.B. Pushkarev, J.F.H. Quick, I.A. Rakhimov, C. Reynolds, J.R. Rizzo, A.G. Rudnitskiy, T. Savolainen, N.N. Shakhvorostova, M.V. Shatskaya, Z.-Q. Shen, M.A. Shchurov, R.C. Vermeulen, P. de Vicente, P. Wolak, J.A. Zensus, V.A. Zuga

Research output: Contribution to journalArticleScientificpeer-review

Abstract

The largest Key Science Program of the RadioAstron space VLBI mission is a survey of active galactic nuclei (AGN). The main goal of the survey is to measure and study the brightness of AGN cores in order to better understand the physics of their emission while taking interstellar scattering into consideration. In this paper we present detection statistics for observations on ground-space baselines of a complete sample of radio-strong AGN at the wavelengths of 18, 6, and 1.3 cm. Two-thirds of them are indeed detected by RadioAstron and are found to contain extremely compact, tens to hundreds of μas structures within their cores.
Original languageEnglish
Pages (from-to)705-711
JournalAdvances in Space Research
Volume65
Issue number2
DOIs
Publication statusPublished - 15 Jan 2020
MoE publication typeA1 Journal article-refereed

Keywords

  • Active galactic nuclei
  • Quasars
  • Galaxies: jets
  • Radio continuum: galaxies
  • Space VLBI

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    Kovalev, Y. Y., Kardashev, N. S., Sokolovsky, K. V., Voitsik, P. A., An, T., Anderson, J. M., ... Zuga, V. A. (2020). Detection statistics of the RadioAstron AGN survey. Advances in Space Research, 65(2), 705-711. https://doi.org/10.1016/j.asr.2019.08.035