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    • Linienformation in M Klasse Sternen 

      Wende, Sebastian (2010-12-14)
      The measurement of line broadening in cool stars is, in general, a difficult task. In order to detect slow rotation or weak magnetic fields, an accuracy of 1 km/s is needed. In this regime, ...
    • Multi-dimensional radiative transfer in circumstellar disks 

      Hügelmeyer, Simon Daniel (2010-01-14)
      In this thesis a radiative transfer model for the simulation of protoplanetary disks was developed. As a basis served the general stellar atmosphere package PHOENIX (Hauschildt et al. 1999). ...