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Fluctuations of the Interstellar Medium

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Accretion and Winds

Part of the book series: Reviews in Modern Astronomy ((MOD.ASTRONOMY,volume 3))

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Abstract

One of the outstanding features of the interstellar medium is its extreme inhomogeneity. Strong small-scale variations of the column density and mean radial velocity., doppler-broadened spectral lines partly consisting of several distinct (velocity-) components all indicate that the ISM is in a highly disordered state on small scales. The smallest structures currently observed in molecular clouds are of the order of a tenth of a parsec. This lower limit seems to be determined only by the resolution of the observational instruments. Thus in considering the dynamics of the ISM on a given scale one nearly always finds fluctuations within the scale.

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Author information

Authors and Affiliations

  1. Institut für Theoretische Physik, J.W. Goethe Universität, Robert-Mayer-Str. 10, D-6000, Frankfurt, Fed. Rep. of Germany

    B. M. Deiss

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  1. B. M. Deiss
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Editor information

Editors and Affiliations

  1. Landessternwarte, Königstuhl, D-6900, Heidelberg 1, Fed. Rep. of Germany

    Gerhard Klare

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© 1990 Springer-Verlag Berlin Heidelberg

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Deiss, B.M. (1990). Fluctuations of the Interstellar Medium. In: Klare, G. (eds) Accretion and Winds. Reviews in Modern Astronomy, vol 3. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-76238-3_22

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  • DOI: https://doi.org/10.1007/978-3-642-76238-3_22

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-76240-6

  • Online ISBN: 978-3-642-76238-3

  • eBook Packages: Springer Book Archive

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