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#498210
Fri 12 Apr 2019 02:13:PM
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Joined: Feb 2001
Posts: 381,903
Launch Director
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Launch Director
Joined: Feb 2001
Posts: 381,903 |
Abstract: We present a three-dimensional map of the hydrogen density distribution in the Galactic interstellar medium. The hydrogen-equivalent column densities were obtained from the Exploring the X-ray Transient and variable Sky project (EXTRAS) which provides equivalent NH values from X-ray spectral fits of observations within the XMM-Newton Data Release. EXTRAS include multiple fits for each source, allowing an accurate determination of the equivalent column densities, which depends on the continuum... Source: 3D Mapping of the Neutral X-Ray Abs... Medium: The Gaia and XMM-Newton Synergy
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