Magnetic Cataclysmic Variables discovered in hard X-rays

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1906.11612.pdf (298.69 KB)

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https://arxiv.org/abs/1906.11612

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http://hdl.handle.net/11603/16306

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UMBC Center for Space Sciences and Technology (CSST) / Center for Research and Exploration in Space Sciences & Technology II (CRSST II)
UMBC Faculty Collection

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Date

2019-06-27

Type of Work

conference papers and proceedings preprints
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Citation of Original Publication

Falanga, M.; de Martino, D.; Bernardini, F.; Mukai, K.; Magnetic Cataclysmic Variables discovered in hard X-rays (2019); https://arxiv.org/abs/1906.11612

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Subjects

novae
cataclysmic variables
white dwarfs
X-rays
binaries
populations

Abstract

Among hard X-ray galactic sources detected by INTEGRAL and Swift surveys, those discovered as accreting white dwarfs have surprisingly boosted in number, representing 20% of the galactic sample. The majority are identified as magnetic cataclysmic variabiles of the intermediate polar type suggesting this subclass as an important constituent of galactic population of X-ray sources. In this conference-proceeding, we review the X-ray emission properties as observed with our ongoing XMM-Newton programme of newly discovered INTEGRAL and/or Swift sources that enlarged almost by a factor of two, identifying cataclysmic variabiles commonalities and outliers.