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Article
Photometry of the dwarf nova V503 Cyg in 2010. Orbital and other periods
Photometric studies of the dwarf nova V503 Cygni have been conducted for 29 nights at the Crimean Astrophysical Observatory and at the Terskol Observatory during 2010. We detected none of the socalled “negativ...
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Article
Eclipsing SU UMa-Type Dwarf Nova 1RXS J003828.7+250920 During thE “Period Gap”. I. Multiperiodicity and Color Features in 2011-2012
Results are reported from multicolor photometric observations of the SU UMa-type dwarf nova 1RXS J003828.7+250920 in 2011, roughly a year after the super-outburst of 2010, and in 2012, when the object was in a...
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Article
NY Ser: Outburst Activity and Multiperiodic Processes in its Various Stages During 2014 and 2016
Results from observation campaigns for the dwarf nova NY Ser during 2014 and 2016 are presented. Data were obtained on a total of 126 nights in 2014 that include 20 normal outbursts and one superoutburst and o...
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Article
Variations in the Period of Negative Superhumps in SU UMa-Type Dwarf Novae. I. Mn Dra (2012-2017)
This is a photometric study of the dwarf nova MN Dra made during 2012-2017 on nine telescopes over 152 nights. Overall, the observations covered 4 superoutbursts, 7 normal outbursts and the quiescent state. Th...
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Article
Humps and Superhumps in the SU UMa-Type Dwarf Nova System IRXS J161659.5+620014
Photometric studies of the SU UMa-type dwarf nova IRXS J161659.5+620014 have been made on the 2.6-m and 1.25-m telescopes at the Crimean Astrophysical Observatory during 2017 and 2018 in the quiescent state of...
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Article
ASASSN-19fy: Features of a Dwarf Nova in the “Period Gap”
Photometric studies of the dwarf nova ASASSN-19fy in the “period gap” were carried out in 2020-2021 over 24 nights at the Crimean Astrophysical Observatory of the Russian Academy of Sciences and 3 nights at th...
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Article
Extreme Universe through the Eyes of Master Global Robotic Net
This paper considers latest highlights in simultaneous and follow-up optical observations of high energy astrophysical phenomena by MASTER Global Robotic Net. Such extreme Universe sources includes gamma-ray b...