Abstract
We present new results based on the analysis of ROSAT PSPC observations towards nearby neutral clouds. These clouds are detectable as deep soft X-ray absorption features within the 1/4 keV energy band. Towards one of these clouds, optical absorption line measurements determine an upper distance limit of D ≤ 60 pc. The presented data suggest that this filament is only a part of a much more extended local-cloud structure. Here we demonstrate that we most probably detected a local neutral atomic hydrogen “wall” in the direction of a low-velocity arc (Pietz 1994).
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References
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Kerp, J., Pietz, J. (1998). Neutral clouds within the local x-ray plasma. In: Breitschwerdt, D., Freyberg, M., Trümper, J. (eds) The Local Bubble and Beyond Lyman-Spitzer-Colloquium. Lecture Notes in Physics, vol 506. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0104713
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DOI: https://doi.org/10.1007/BFb0104713
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