Speaker
Volker Ossenkopf
(Universität Köln)
Description
Unfortunately, it is impossible to resolve the full three-dimensional distribution of densities, velocities and magnetic fields in molecular clouds through astronomical observations as we are bound to celestial positions and a frequency scale. The frequency scale, allows to address the velocity distribution through molecular line observations. The relation between underlying ppp-structures and observed ppv-cubes is, however, far from trivial. Chemical differentiation, excitation and radiative transfer effects systematically distort the characteristics of the observed structures.
We will show how statistical properties of interstellar turbulence measured in terms of scaling relations, probability distribution functions, and correlation functions change when measured through molecular line observations.
Author
Volker Ossenkopf
(Universität Köln)