Search Results - "Malkov, Oleg"

Gaia BH1: A Key for Understanding the Demography of Low-q Binaries in the Milky Way Galaxy by Malkov, Oleg

“…The recently discovered Gaia BH1 binary system, a Sun-like star and a dark object (presumably a black hole), may significantly change our understanding of the…”
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Theoretical mass-luminosity relations in Gaia G-band by Malkov, Oleg, Kovaleva, Dana, Zhukov, Aleksandr, Dluzhnevskaya, Olga

“…We have analyzed the retrieval of the relation between mass and absolute Gaia G magnitude as obtained from theoretical models by Bressan et al. (Mon. Not. R…”
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Approximate analytical description of the high latitude extinction by Nekrasov, Alexei, Grishin, Kirill, Kovaleva, Dana, Malkov, Oleg

“…The distribution of visual interstellar extinction A V has been mapped in selected areas over the Northern sky, using available LAMOST DR5 and Gaia DR2/EDR3…”
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Wide binary stars with non-coeval components by Malkov, Oleg, Kniazev, Alexey

“…We have the estimated masses of components of visual binaries from their spectral classification. We have selected pairs in which the less massive component…”
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LAMOST Spectroscopy and Gaia Photo-Astrometry for an Interstellar Extinction Study by Malkov, Oleg, Avdeeva, Aleksandra, Kovaleva, Dana

“…The aim of this work is to establish the present accuracy and convergence of available estimates of galactic extinction. We determine the galactic interstellar…”
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A new version of the binary star database BDB: Challenges and directions by Kaygorodov, Pavel, Skvortsov, Nikolay, Kovaleva, Dana, Malkov, Oleg

“…In accordance with the principles of open science, the results of the research should remain available for further investigations and practical interaction…”
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Big Data Research Infrastructure Collaboration Toward the SKA (BRICSKA) by TAYLOR, RUSS, PORTO, FABIO, CUI, CHENZHOU, WADADEKAR, YOGESH, MALKOV, OLEG

“…Abstract Astronomy is entering an era of mega-data that will render conventional research methods as well as data and visual analytics tools ineffective. The…”
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Quality flags for GSP-Phot Gaia DR3 astrophysical parameters with machine learning: effective temperatures case study by Avdeeva, Aleksandra S, Kovaleva, Dana A, Malkov, Oleg Yu, Zhao, Gang

“…ABSTRACT Gaia Data Release 3 (DR3) provides extensive information on the astrophysical properties of stars, such as effective temperature, surface gravity,…”
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Crossmatching of high-proper motion L, T, and Y brown dwarfs with large photometric surveys by Avdeeva, Aleksandra S., Karpov, Sergey V., Malkov, Oleg Yu

“…L, T, and Y brown dwarf (BD) exploration is a topical issue. First, the transition boundary between planets and BDs is not fully understood yet. Second, there…”
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Fitting procedure for estimating interstellar extinction at high galactic latitudes by Avdeeva, Aleksandra, Kovaleva, Dana, Malkov, Oleg, Nekrasov, Alexey

“…We determine the interstellar extinction in the selected high-latitude areas of the sky based on Gaia EDR3 astrometry and photometry and spectroscopic data…”
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Parameterization of long-period eclipsing binaries by Pakhomova, Polina, Berdnikov, Leonid, Kniazev, Alexei, Katkov, Ivan, Malkov, Oleg

“…One of the important sources for independent determination of stellar masses is eclipsing binaries with components on the main sequence, and with observable…”
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Absolute magnitudes of white dwarfs and discovery of new white dwarfs from FBS Blue Stellar Objects by means of Gaia EDR3 data by Mickaelian, Areg M., Mikayelyan, Gor A., Abrahamyan, Hayk V., Paronyan, Gurgen M., Malkov, Oleg Yu

“…This article is a presentation of a project which is a statistical study of white dwarfs’ properties carried out based on the sample of the First Byurakan…”
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Binary Star Database (BDB): New Developments and Applications by Malkov, Oleg, Karchevsky, Aleksey, Kaygorodov, Pavel, Kovaleva, Dana, Skvortsov, Nikolay

“…Binary star DataBase (BDB) is the database of binary/multiple systems of various observational types. BDB contains data on physical and positional parameters…”
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Conference “Modern Stellar Astronomy 2017” by Malkov, Oleg Yu, Rastorguev, Alexey S.

“…Here we give a brief overview on the eighth annual conference on Modern Stellar Astronomy held in the Ural FederalUniversity (Ekaterinbourg, Russia) in June…”
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Visual binary stars with known orbits in Gaia EDR3 by Chulkov, Dmitry, Malkov, Oleg

“…A total of 3350 objects from the Sixth Catalog of Orbits of Visual Binary Stars (ORB6) are investigated to validate Gaia Early Data Release 3 (EDR3) parallaxes…”
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STATE OF REGULATORY MECHANISMS AND VASCULAR PARAMETERS OF FIRST YEAR STUDENTS OF NORTHERN UNIVERSITY WITH DIFFERENT LEVEL OF ADAPTATION RESERVES by Govorukhina, Alyona A., Novoselova, Anna A., Malkov, Oleg A.

“…The study of the autonomic nervous system parameters and assessment of the adaptive reserves of the students’ organism allows to determine the key markers of…”
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Osobennosti tserebral'nogo krovoobrashcheniya studentov-pervokursnikov severnogo regiona by Govorukhina, Alena A., Maltsev, Viktor P., Malkov, Oleg A., Nagovitsina, Ulyana V.

“…Relevance. Intense psycho-emotional and intellectual loads during the period of higher education, combined with climatic and environmental pressure, living in…”
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CHARACTERISTICS OF INTER-SYSTEM INTERACTIONS BETWEEN MORPHOTYPE AND NEURODYNAMIC OF STUDENTS WITH DIFFERENT BMI LEVELS by Maltsev, Victor P., Govorukhina, Alena A., Malkov, Oleg A.

“…Purpose. To study morphotype and neurodynamic peculiarities and their intersystem relationship in students with different BMI levels living in Khanty-Mansi…”
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Binary Star Database: Binaries Discovered in Non-Optical Bands by Malkov Oleg Yu, Tessema Solomon B., Kniazev Alexei Yu

“…The Binary star Database (BDB) is the world’s principal database of binary and multiple systems of all observational types. In particular, it should contain…”
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Semidetached double-lined eclipsing binaries: Stellar parameters and rare classes by Malkov, Oleg Yu

“…Semidetached eclipsing systems provide a unique opportunity to derive the basic properties of interacting binaries. The goal of this work is to collect and to…”
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