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Statistics of white dwarf properties in intermediate polars

Published online by Cambridge University Press:  09 October 2020

Valery F. Suleimanov Open the ORCID record for Valery F. Suleimanov [Opens in a new window] ,
Victor A. Doroshenko  and
Klaus Werner
Valery F. Suleimanov
Affiliation:
Institut für Astronomie und Astrophysik, Universität Tübingen, Sand 1, D-72076, Tübingen, Germany email: suleimanov@astro.uni-tuebingen.de Kazan Federal University, Kremlevskaya 18, 420008 Kazan, Russia Space Research Institute of the Russian Academy of Science, Profsoyuznaya 84/32, 117997 Moscow, Russia
Victor A. Doroshenko
Affiliation:
Institut für Astronomie und Astrophysik, Universität Tübingen, Sand 1, D-72076, Tübingen, Germany email: suleimanov@astro.uni-tuebingen.de Space Research Institute of the Russian Academy of Science, Profsoyuznaya 84/32, 117997 Moscow, Russia
Klaus Werner
Affiliation:
Institut für Astronomie und Astrophysik, Universität Tübingen, Sand 1, D-72076, Tübingen, Germany email: suleimanov@astro.uni-tuebingen.de
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Abstract

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Many intermediate polars are hard X-ray sources. The theory of their hard X-ray radiation is well developed and allows us to determine white dwarf masse in this kind of cataclysmic variables. Here we present the results of determination the masses of 35 white dwarfs in the intermediate polars observed by observatories NuSTAR (10 sources) and Swift/BAT (25 sources). The corresponding mass accrerion rates and the luminosity function were also derived due to accurate distance to the sources well known now after Gaia DR2.

Keywords

X-rays: binariesnovaecataclysmic variablesstars: luminosity functionmass function

Information

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S357: White Dwarfs as Probes of Fundamental Physics: Tracers of Planetary, Stellar and Galactic Evolution , October 2019 , pp. 202 - 205
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
© The Author(s), 2020. Published by Cambridge University Press on behalf of International Astronomical Union

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