32 Result(s)
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Article
K. A. Antonyuk
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Article
UBVRI Photometry and Polarimetry of the Eclipsing Binary RY Per
Results are presented from multicolor photometric and polarimetric studies of the eclipsing binary RY Per during 2001-2003. Light curves in the UBVRI bands are shown. An analysis of the variations in the linear p...
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Modeling the Eclipsing Binary System VW Cygni
Five color UBVRI photometric and polarimetric measurements of the eclipsing binary VW Cyg are reported. It is shown that in the primary minimum the luminosity is attenuated (at short wavelengths) even after passa...
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Comet C/2002 T7 (LINEAR): Polarimetric and photometric studies
We present the results of polarimetric and photometric observations of dynamically new comet C/2002 T7 (LINEAR) at phase angles from 6° to 26°. During the observations, the comet was at a distance of 2.7–1.3 A...
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UBVRI photometry and polarimetry of the young eclipsing binary EK Cep
Multicolor photometric and polarimetric observations of the eclipsing binary EK Cep at the Crimean Astrophysical Observatory in 1995 and 2006–2007 are reported. Polarimetric observations were made of stars in ...
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Multicolor photometry and polarimetry of the young binary system V1696 Cyg
We present results of multicolor photometric and polarimetric observations of the binary system V1696 CYG obtained in the Crimean Astrophysical Observatory in 2006. It is shown that observed variations of the ...
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The UBVRI photometry and polarimetry of the young binary system V628 Cas
The results of multicolor photopolarimetric observations of the Ae/Be Herbig star V628 Cas are presented. It has been shown that the observed changes of the linear polarization correlate with the phase of the ...
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Photometric study of the unusual binary system vsx j052807.9 + 725606
Results are reported from a three color (B, V, and R) photometric study of the recently discovered, unusual binary system VSX J052807.9 + 725606 = USNO-B1.0 1629–0064825. This system is extremely similar to th...
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554 Peraga—an asteroid with unusual polarization properties?
This paper presents the results of polarization observations of asteroid 554 Peraga obtained with the UBVRI polarimeter using the 1.25 m telescope of the Crimean Astrophysical Observatory down to phase angles ...
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Polarimetry of the exoplanet system 51 Pegasi
Two-year BVRI polarimetric monitoring of the exoplanet system 51 Peg has been carried out, indicating that there is no orbital phase-dependent periodic variability in linear polarization with amplitudes greater t...
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Polarimetry of the E-type asteroid 64 Angelina
Results of polarimetric observations of a high-albedo asteroid 64 Angelina obtained in the phase-angle range from 0.8° to 24.3° are presented. The observations were carried out in the period from September 28 ...
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Detection of regular low-amplitude photometric variability of the magnetic dwarf WD0009+501. on the possibility of photometric investigation of exoplanets on the basis of 1-meter class telescopes of the special and crimean astrophysical observatories
We present the results of photometric observations of the weak magnetic white dwarf WD 0009+501. The observations were carried out for two years with the 1-m telescopes of the Special and Crimean Astrophysical...
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Low-mass protoplanetary disk of the herbig Ae star DDser: Thermal radiation of dust and possible presence of massive planets
We detected thermal IR radiation from DDSer, a low-activity UXOri-type star, the source of which is a disk with a complex structure (an inner ring with the dust temperature of about 900 K and an outer disk wit...
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Superhump evolution of WZ Sge-type dwarf nova ASASSN-14cv at rebrightening stage
We report the results of observations of a WZ Sge-type dwarf nova ASASSN-14cv, acquired in 2014 and covering the end of a superoutburst and a rebrightening stage. We detected 8 rebrightenings of this star. Bas...
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Detection of circular polarization and low-amplitude photometric variability of the white dwarf WD1748+508
We report the results of a polarimetric and photometric study of the cool white dwarf WD1748+508. Observations were performed during four consecutive nights on the telescopes of the Crimean Astrophysical Obser...
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Search for and study of photometric variability in magnetic white dwarfs
We report the results of photometric observations of a number of magnetic white dwarfs in order to search for photometric variability in these stars. These V-band observations revealed significant variability in ...
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Spectroscopic observations of the exoplanet WASP-32b transit
We present first results of spectroscopic observations of transiting exoplanets in the Special Astrophysical Observatory of the Russian Academy of Sciences with the Main Stellar Spectrograph of the 6-m BTA tel...
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Polarimetry of the Nova V339 Del
Polarimetric UBVRI observations of the Nova V339 Del during the 5-108 days following the maximum of the outburst of 2013 reveal a variability in the degree of linear polarization with an amplitude of about 0.2...
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Photometric Period of the Star PZ Mon
Results are presented from a search for periodic variations in the brightness and color indices of the active star PZ Mon based on many years of photometric data from 1992 to 2015. The photometric period deriv...
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Spotted Surface Structure of the Active Giant PZ Mon
Based on our photometric observations in 2015–2016 and archival photometric data for the active red giant PZ Mon, we have found the main characteristics of the stellar surface: the unspotted surface temperature T
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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...
