X-ray Spectroscopy of Galactic Hot Gas along the PKS 2155-304 Sight Line

Publications of the Astronomical Society of Japan(2010)

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摘要
We present a detailed spectroscopic study of the hot gas in the Galactic halo toward the direction of a blazer PKS 2155-304 ($z =$ 0.117). The O VII and O VIII absorption lines were measured with the Low and High Energy Transmission Grating Spectrographs aboard Chandra, and the O VII, O VIII, and Ne IX emission lines produced in an adjacent field of the PKS 2155-304 direction were observed with th...
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关键词
Galaxy: disk,Galaxy: halo,X-rays: diffuse background,X-rays: ISM
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