271 citations · 4.6k across the 192 of their papers we have counts for
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Constraining the charge of the Galactic centre black hole
Michal Zajaček, Arman Tursunov, Andreas Eckart +6
In this contribution, we summarize our results concerning the observational constraints on the electric charge associated with the Galactic centre black hole - Sgr A*. According to…
Interpretation of Departure from the Broad Line Region Scaling in Active Galactic Nuclei
Bozena Czerny, Jian-Min Wang, Pu Du +7
Most results of the reverberation monitoring of active galaxies showed a universal scaling of the time delay of the Hbeta emission region with the monochromatic flux at 5100 A, wit…
Narrow-line Seyfert 1 galaxies in the context of the Quasar Main Sequence
Bozena Czerny, Swayamtrupta Panda, Marzena Sniegowska +4
Narrow-line Seyfert 1 galaxies are defined on the basis of their line widths, and they are generally considered to be high Eddington ratio sources. But in the context of the Quasar…
Mg II line properties in lobe-dominated quasars
Conor Wildy, Bozena Czerny, Agnieszka Kuźmicz
We investigate the relationships between Mg ii λ2798 emission line properties, as well as between these properties and inclination angle and Fe ii strength, in a lobe-dominated qua…
Astronomical Distance Determination in the Space Age. Secondary distance indicators
Bozena Czerny, Rachael Beaton, Michal Bejger +11
The formal division of the distance indicators into primary and secondary leads to difficulties in description of methods which can actually be used in two ways: with, and without…