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

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    29 Citations (Scopus)

    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
    Number of pages7
    JournalAdvances in Space Research
    Volume65
    Issue number2
    DOIs
    Publication statusPublished - 15 Jan 2020

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