activity
20172026
most citedA possible mechanism for multiple changing look phenomenon in Active Galactic Nuclei

135 citations · 996 across the 47 of their papers we have counts for

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Showing 2019Show all

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astro-ph.GA2019★ 12 cited

Mechanism of the Changing Look phenomenon in Active Galactic Nuclei

Marzena Śniegowska, Bożena Czerny

Changing-look phenomenon observed now in a growing number of active galaxies challenges our understanding of the accretion process close to a black hole. We propose a simple explan…

astro-ph.GA2019★ 52 cited

Time delay measurement of Mg II line in CTS C30.10 with SALT

Bozena Czerny, Aleksandra Olejak, Mateusz Ralowski +18

We report 6 yr monitoring of a distant bright quasar CTS C30.10 (z = 0.90052) with the Southern African Large Telescope (SALT). We measured the rest-frame time-lag of da…