Soft X-rays from High-Velocity Clouds

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dc.creatorKerp, J.
dc.creatorKalberla, P. M. W.
dc.creatorFreyberg, M. J.
dc.creatorHartmann, Dap
dc.creatorBurton, W. B.
dc.date1998-11-27
dc.date.accessioned2026-07-07T02:29:19Z
dc.date.available2026-07-07T02:29:19Z
dc.descriptionThe ROSAT mission gave us the unique possibility to study the galactic interstellar medium by ``shadowing'' observations on arcmin angular resolution level. The high sensitivity of the ROSAT PSPC in combination with the large field of view allows the detailed study of individual clouds, while the ROSAT all-sky survey is the main source for studies of the large-scale intensity distribution of the diffuse soft X-ray emission. We show that neutral hydrogen clouds are associated with soft X-ray emission, E(X-ray) < 3/4 keV. These neutral hydrogen clouds, known as high-velocity clouds (HVCs), are located partly within the galactic halo, and partly in intergalactic space. The ROSAT detection of soft X-ray emission from some of these HVCs is the first detection of HVCs in emission other than HI 21-cm line radiation.
dc.description3 pages, 5 figures, to be published in "Highlights in X-ray Astronomy" in honour of Joachim Truemper's 65th birthday
dc.identifierhttps://arxiv.org/abs/astro-ph/9811433
dc.identifierhttp://arxiv.org/abs/astro-ph/9811433
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/13427
dc.subjectAstrophysics
dc.titleSoft X-rays from High-Velocity Clouds
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