The Faculty of Mathematics and Natural Sciences: Search
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Grand-Design Warps in Galactic Disks
(2006)
Warping, a bending of the disk, is present in all disk galaxies. It is hence a phenomenon that should not be missed to be explained in theories of galactic evolution and formation. Warps usually occur at radii where the ...
Investigations of Intraday Variable Blazar Cores and the Connected Interstellar Medium
(2006)
The work presented here is an attempt to shed further light upon the phenomenon of short-term radio variations (Intraday Variability, IDV) often observed in compact blazar cores. Three different new observational approaches ...
High-Resolution Study of Selected Intraday Variable Sources
(2006)
Radio waves are affected by the ionized interstellar medium through which they pass. Wide ranges of scattering effects can occur and influence the observed characteristics of compact radio objects. Distinguishing between ...