108 citations · 421 across the 24 of their papers we have counts for
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astro-ph.CO2010★ 4 cited
RXJ 0921+4529: a binary quasar or gravitational lens?
L. Č. Popović, A. V. Moiseev, E. Mediavilla +4
We report the new spectroscopic observations of the gravitational lens RXJ 021+4529 with the multi-mode focal reducer SCORPIO of the SAO RAS 6-m telescope. The new spectral observa…
astro-ph.GA2010★ 43 cited
Variability of the H-beta line profiles as an indicator of orbiting bright spots in accretion disks of quasars: a case study of 3C 390.3
P. Jovanović, L. Č. Popović, M. Stalevski +1
Here we show that in the case when double peaked emission lines originate from outer parts of accretion disk, their variability could be caused by perturbations in the disk emissiv…