2 papers
astro-ph.SR2010
Dynamics of extended AGB star envelopes
C. Dreyer, M. Hegmann, E. Sedlmayr
The dust formed in extended circumstellar envelopes of long-period variables and Miras has a strong influence on the envelope dynamics. A radiatively driven instability caused by t…
astro-ph2003
Effects of correlated turbulent velocity fields on the formation of maser lines
R. Boeger, W. H. Kegel, M. Hegmann
The microturbulent approximation of turbulent motions is widely used in radiative transfer calculations. Mainly motivated by its simple computational application it is probably in…