accretion, accretion disks; galaxies: active; galaxies: Seyfert; quasars: emission lines; Astronomy and Astrophysics; Space and Planetary Science
Abstract :
[en] We report 6 yr monitoring of distant bright quasar CTS C30.10 (z = 0.90052) with the Southern African Large Telescope. We measured the rest-frame time lag of 562-68 +116 days between the continuum variations and the response of the Mg ii emission line, using six different methods. This time delay, combined with other available measurements of Mg ii line delay, mostly for lower-redshift sources, shows that the Mg ii line reverberation implies a radius-luminosity relation very similar to the one based on a more frequently studied Hβ line.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Czerny, Bożena ; Center for Theoretical Physics, Polish Academy of Sciences, Warsaw, Poland
Olejak, Aleksandra; Center for Theoretical Physics, Polish Academy of Sciences, Warsaw, Poland
Rałowski, Mateusz; Center for Theoretical Physics, Polish Academy of Sciences, Warsaw, Poland
Kozłowski, Szymon ; Warsaw University Observatory, Warsaw, Poland
Aldama, Mary Loli Martinez; Center for Theoretical Physics, Polish Academy of Sciences, Warsaw, Poland
Zajacek, Michal ; Center for Theoretical Physics, Polish Academy of Sciences, Warsaw, Poland
Pych, Wojtek; Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences, Warsaw, Poland
Hryniewicz, Krzysztof; Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences, Warsaw, Poland
Pietrzyński, Grzegorz; Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences, Warsaw, Poland
Figaredo, Catalina Sobrino; Astronomisches Institut, Ruhr Universität Bochum, Germany
Haas, Martin; Astronomisches Institut, Ruhr Universität Bochum, Germany
Średzińska, Justyna; Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences, Warsaw, Poland
Udalski, Andrzej; Warsaw University Observatory, Warsaw, Poland
Gorski, Marek; Departamento de Astronomiia, Universidad de Concepcion, Chile
Karas, Vladimir ; Astronomical Institute, Academy of Sciences, Prague, Czech Republic
Panda, Swayamtrupta ; Center for Theoretical Physics, Polish Academy of Sciences, Warsaw, Poland ; Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences, Warsaw, Poland
Sniegowska, Marzena; Center for Theoretical Physics, Polish Academy of Sciences, Warsaw, Poland
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