In this work, we studied spectroscopic and photometric observations of the close binary system Konkoly J064029.1 + 385652.2, which is a candidate for young pre-cataclysmic variables with an sdO subdwarf. Observations were ...

Abstract: We have analyzed our photometric and spectroscopic observations of the new eclipsing cataclysmic variable MLS120126:042313+212951. We have found the system’s orbital period P=0.1034329 day ((Formula presented.) ...

This paper presents the results of a model analysis of optical spectra and determination of the parameters of three individual SU UMa and WZ Sge type dwarf novae. The moderate resolution spectra of TY Psc, FL Psc and V455 ...