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Search for hierarchical stellar systems

Search for hierarchical stellar systems of maximal multiplicity

Author(s): Nikolay A. Skvortsov, Leonid A. Kalinichenko, Dana A. Kovaleva, Oleg Y. Malkov
Published:Selected Papers of the XVII International Conference on Data Analytics and Management in Data Intensive Domains (DAMDID/RCDL 2015). CEUR Workshop Proceedings, ISSN 1613-0073, Vol. 1752. P. 219-225.
According to theoretical considerations, multiplicity of hierarchical stellar systems can reach, depending on masses and orbital parameters, several hundreds. On the other hand, observational data confirm an existence of at most septuple systems. We study very multiple (6+) stellar systems from modern catalogues of visual double and multiple stars, trying to find candidates to hierarchical systems among them. Some of their components were found to be binary/multiple themselves that increases system's degree of multiplicity. Also, to collect all available information on those systems it was first necessary to make a thorough and accurate crossidentification of their components.
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