177 research outputs found

    Cool spots on the surface of the active giant PZ Mon

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    Based on the multiband (BVRIJHKL) photometric observations of the active red giant PZ Mon performed for the first time in the winter season of 2017-2018, we have determined the main characteristics of the spotted stellar surface in a parametric three-spot model. The unspotted surface temperature is Teff=4730 K, the temperature of the cool spots is Tspot=3500 K, their relative area is about 41%, and the temperature of the warm spots is Twarm=4500 K with a maximum relative area up to 20%. The distribution of spots over the stellar surface has been modeled. The warm spots have been found to be distributed at various longitudes in the hemisphere on the side of the secondary component and are most likely a result of its influence.Comment: 5 pages, 7 figure

    Sociological analysis of remote work as a new format of current population employment in Russia

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    The article discusses remote work as a subject of scientific research, describes the factors stimulating the development of distance employment and substantiates the need for a sociological study of this phenomenon in view of the high potential for the impact of changes in forms of employment not only on the labor market, but also on other social structures. Sociologists extremely rarely consider the remote work, despite the increased relevance in recent years, as a subject of study. Scientific publications devoted to remote work as the main type of employment, as a rule, relate to personnel management issues. However, it should be noted that changes in the structure of employment can also affect other social institutions, processes and relationships: the institution of the family, domestic relations, social and professional communications, social mobility, and the very relationship of a person to work. The authors have conducted preliminary monitoring of the media and blogosphere in the Tyumen region and come to the conclusion that, as of today, the applied research methods do not allow to fully reveal the impact of remote employment on all spheres of social life and describe the trends. Therefore, an in-depth sociological analysis of telecommuting with the help of in-depth interviews, interviews with experts, questionnaires to specialists employed in the labor market and representatives of the authorities is required to identify trends, prospects and social consequences

    "Inter-Longitude Astronomy" (ILA) project : current highlights and perspectives : I. Magnetic vs. non-magneticinteracting binary stars

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    We present a review of highlights of our photometric and photo-polarimetric monitoring and mathematical modeling of interacting binary stars of different types classical, asynchronous, intermedi ate polars with 25 timescales corresponding to differ ent physical mechanisms and their combinations (part "Polar"); negative and positive superhumpers in nova-like and dwarf novae stars ("Superhumper"); symbiotic ("Symbiosis"); eclipsing variables with and without ev idence for a current mass transfer ("Eclipser") with a special emphasis on systems with a direct impact of the stream into the gainor star's atmosphere, which we propose to call "Impactors", or V361 Lyr-type stars. Other parts of the ILA project are "Stellar Bell" (pul sating variables of different types and periods - M, SR, RV Tau, RR Lyr, Delta Sct) and "New Variable".
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