The Nature of the Circumheliospheric Interstellar Medium
Jonathan D. Slavin, J. A. le Roux, G. P. Zank, A. J. Coates, V. Florinski
Abstract
Jonathan D. Slavin, J. A. le Roux, G. P. Zank, A. J. Coates, V. Florinski
Abstract
Nearly all the pickup ions begin their lives as interstellar neutrals flowing into the heliosphere. Their flux and their interactions with the outer heliosphere depend on the nature of the interstellar medium (ISM) that surrounds heliosphere. This very local ISM is part of the Local Interstellar Cloud, which is believed to surround the Solar System. While we have more information about this cloud than any other region of the ISM, many uncertainties remain. I summarize our current knowledge about the cloud including the uncertainties and their possible impact on models for the heliosphere and pickup ions.
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Nearly all the pickup ions begin their lives as interstellar neutrals flowing into the heliosphere. Their flux and their interactions with the outer heliosphere depend on the nature of the interstellar medium (ISM) that surrounds heliosphere. This very local ISM is part of the Local Interstellar Cloud, which is believed to surround the Solar System. While we have more information about this cloud than any other region of the ISM, many uncertainties remain. I summarize our current knowledge about the cloud including the uncertainties and their possible impact on models for the heliosphere and pickup ions.
Key concepts: Heliosphere, Interstellar medium, Physics, Energetic neutral atom, Interstellar cloud, Astrophysics, Molecular cloud, Cloud computing