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Contribution of a Non-Thermal Component to the X-Ray Emission of OB Stars

Kholtygin, A. F.; Ryspaeva, E. B.

—In the paper the possibility of the presence of a non-thermal component described by a power law spectrum in the X-ray spectra of OB stars is investigated. The low-resolution spectra of 101 OB stars obtained using the EPIC camera on the XMM satellite are analyzed. It is concluded that the contribution of the non-thermal component of X-ray emissio…