459 citations · 6.8k across the 171 of their papers we have counts for
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astro-ph.GA2016★ 7 cited
SALT long-slit spectroscopy of HE 0435-4312: fast displacement in the Mg II emission line
J. Sredzinska, B. Czerny, K. Hryniewicz +6
The Mg II emission line is visible in the optical band for intermediate redshift quasars (0.4 < z < 1.6) and it is thus an extremely important tool to measure the black hole mass a…
astro-ph.GA2016★ 38 cited
The mass of the black hole in RE J1034+396
B. Czerny, B. You, A. Kurcz +6
The black hole mass measurement in active galaxies is a challenge, particularly in sources where the reverberation method cannot be applied. We aim to determine the black hole mass…