Zobrazeno 1 - 10
of 93
pro vyhledávání: '"Kovaleva D. A."'
Autor:
Gebrehiwot Y. M., Kovaleva D. A., Kniazev A. Yu., Malkov O. Yu., Skvortsov N. A., Karchevsky A. V., Tessema S. B., Zhukov A. O.
Publikováno v:
Open Astronomy, Vol 25, Iss 4, Pp 393-399 (2016)
According to theoretical considerations, multiplicity of hierarchical stellar systems can reach, depending on masses and orbital parameters, several hundred, while observational data confirm the existence of at most septuple (seven-component) systems
Externí odkaz:
https://doaj.org/article/d761a774e411476f9b7b4761ab7d49c7
Publikováno v:
Open Astronomy, Vol 24, Iss 2, Pp 157-165 (2015)
Visual binary stars make up the largest set among observed types of binaries (currently more than 110 000 systems are known containing more than 230 000 components). However, statistical analysis of this sample is a complicated task because a number
Externí odkaz:
https://doaj.org/article/55be138dd1e24919a4ead390fd79ddd7
Publikováno v:
Open Astronomy, Vol 24, Iss 2, Pp 185-193 (2015)
The new consistent scheme for designation of objects in binary and multiple systems, BSDB, is described. It was developed in the frame of the Binary star DataBase, BDB (http://www.inasan.ru), due to necessity of a unified and consistent system for de
Externí odkaz:
https://doaj.org/article/f609c559b0d143b7bf5b98b031089e47
Publikováno v:
Astronomy Reports 64 (2020) 756-768
We describe a homogeneous catalog compilation of common proper motion stars based on Gaia DR2. A preliminary list of all pairs of stars within the radius of 100 pc around the Sun with a separation less than a parsec was compiled. Also, a subset of co
Externí odkaz:
http://arxiv.org/abs/2012.06115
We have determined new statistical relations to estimate the fundamental atmospheric parameters of effective temperature and surface gravity, using MK spectral classification, and vice versa. The relations were constructed based on the published cali
Externí odkaz:
http://arxiv.org/abs/2004.07627
Akademický článek
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Akademický článek
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Autor:
Kovaleva D. A., Malkov O. Y.
Publikováno v:
Open Astronomy, Vol 6, Iss 2, Pp 325-325 (1997)
Externí odkaz:
https://doaj.org/article/4c27b31b47fc430fb0adad42d4a7e764
The BDB, Binary star DataBase http://bdb.inasan.ru combines data of the catalogues of binary and multiple stars of all observational types. There is a number of ways for variable stars to form or to be a part of binary or multiple systems. We describ
Externí odkaz:
http://arxiv.org/abs/1806.03162
Autor:
Kovaleva, D. A.1 (AUTHOR) dana@inasan.ru
Publikováno v:
Astronomy Reports. Sep2023, Vol. 67 Issue 9, p938-950. 13p.