Near-infrared spectroscopy of faint discrete X-ray point sources constituting the Galactic ridge X-ray emission

Kumiko Morihana,Masahiro Tsujimoto,P. Dubath,Tessei Yoshida,Kensuke Suzuki,Ken Ebisawa

Publications of the Astronomical Society of Japan（2016）

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摘要

The Galactic Ridge X-ray Emission (GRXE) is an apparently extended X-ray emission along the Galactic plane. The X-ray spectrum is characterized by a hard continuum with a strong Fe K emission feature in the 6–7 keV band. A substantial fraction (∼80%) of the GRXE in the Fe band was resolved into point sources by deep Chandra imaging observations; thus GRXE is mostly composed of dim Galactic X-ray p...

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关键词

Galaxy: stellar content,novae, cataclysmic variables,stars: late-type,X-rays: diffuse background,X-rays: stars

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