Hot Magnetic Stars in Exotic Multiple Systems
1 National Astronomical Research Institute of Thailand (NARIT), 260 Moo 4, T. Donkaew, A. Maerim, Chiangmai, 50180 Thailand
2 Special Astrophysical Observatory of the Russian Academy of Sciences, Nizhnii Arkhyz, Russia, 369167
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Published online: 21 August 2020
A strong and stable magnetic field covering the whole surface is a landmark of chemically peculiar or CP stars. To explain the origin of mag- netic stars, several hypotheses were proposed, which depending on the mech- anism and time of formation can be grouped into three main. The magnetic field may originate in the protostellar medium (“fossil field”), turbulent layers of a star (“dynamo” mechanism) or in the other environment. In either scenario, binary stars appear as a merit of its reliability. Recent advances in observational astrophysics uncovered a bunch of new binary magnetic stars that were considered as rare before. We outline the results of studies of exotic binary and multiple systems with magnetic CP components: HD 6757, HD 34736, and HD 40759.
© The Authors, published by EDP Sciences, 2020
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