4 citations · 4 across the 3 of their papers we have counts for
3 papers
astro-ph.CO2025
Reverberation responses in light curves of the SBS1520+530 quasar
Liudmyla Berdina, Victoria Tsvetkova
Purpose: We aim to investigate an accretion disk (AD) temperature profile of a doubly lensed quasar SBS 1520+530. Temperature profiles of accretion disks are known to be diagnostic…
astro-ph.HE2020★ 4 cited
Super-Eddington accretion in the Q2237+0305 quasar?
L. A. Berdina, V. S. Tsvetkova, V. M. Shulga
The interband time lags between the flux variations of the Q2237+0305 quasar have been determined from light curves in the Johnson-Cousins V, R, and I spectral bands. The values of…
astro-ph2007
Microlensing Effects in Atmospheres of Substars
L. A. Berdina, A. A. Minakov
The purpose of the present work is the study of focusing properties of atmospheres of substars that is necessary for adequate interpreting of observational data and for solving the…