Fluctuations of the Interstellar Medium
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.
Unable to display preview. Download preview PDF.
- 2.B.M. Deiss: Thesis. Frankfurt, 1989Google Scholar
- 5.B.M. Deiss, A. Just and W.H. Kegel (1989): in preparationGoogle Scholar
- 6.M. Issa, I. MacLaren, A.W. Wolfendale: submitted to Astrophys. J. (1989)Google Scholar
- 7.A. Just: Thesis, Frankfurt, 1987Google Scholar
- 9.W.H. Kegel: In Physical Processes in Interstellar Clouds, eds. G.E. Morfill, M. Scholer (D. Reidel Pubi. Comp., Dordrecht, 1987) p. 115Google Scholar
- 11.W.H. Kegel: Astron. Astrophys., in press (1989)Google Scholar