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The Galactic interstellar medium: foregrounds and star formation

Published online by Cambridge University Press:  08 May 2018

Marc-Antoine Miville-Deschênes Open the ORCID record for Marc-Antoine Miville-Deschênes [Opens in a new window]
Marc-Antoine Miville-Deschênes*
Affiliation:
Laboratoire AIM, CEA / CNRS / Université Paris-Saclay, 91191, Gif-sur-Yvette, France Institut d’Astrophysique Spatiale, CNRS / Université Paris-Sud, 91405, Orsay, France email: mamd@cea.fr
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Abstract

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This review presents briefly two aspects of Galactic interstellar medium science that seem relevant for studying EoR. First, we give some statistical properties of the Galactic foreground emission in the diffuse regions of the sky. The properties of the emission observed in projection on the plane of the sky are then related to how matter is organised along the line of sight. The diffuse atomic gas is multi-phase, with dense filamentary structures occupying only about 1% of the volume but contributing to about 50% of the emission. The second part of the review presents aspect of structure formation in the Galactic interstellar medium that could be relevant for the subgrid physics used to model the formation of the first stars.

Keywords

ISM: kinematics and dynamicsmagnetic fieldsdustreflection nebulaestructure
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 12 , Symposium S333: Peering towards Cosmic Dawn , October 2017 , pp. 138 - 145
Copyright
Copyright © International Astronomical Union 2018 

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