ИСТИНА

One of the important ingredients of galaxy evolution is how galactic discs have been grown. This process is still not fully understood. Investigating kinematically peculiar galaxies hosting two counter-rotating stellar discs can shed light on the role of the external material acquisition in galactic disc formation. Using publicly available data of the MaNGA survey we identified a sample of ~30 counter-rotating stellar disc galaxies. These galaxies were analyzed with full-spectral fitting technique NBursts (Chilingarian+2007) and non-parametrical LOSVD analysis to determine the parameters of each disks. But spectral resolution in MaNGA is bad (~70 km/s), because to carry out the correct two-component NBursts analysis to determine stellar populations in disks is almost impossible. For this we need deep follow-up observation of the sample to confirm the existence of stellar CR in these. Now we have 1 long-slit spectrum taken with the SAAO SALT (galaxy PGC 066551) and 5 from the Russian 6m-telescope. Here we present the results of detailed investigation of these galaxies.