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Error propagation in polarimetric demodulation
A. Asensio Ramos, M. Collados
The polarization analysis of the light is typically carried out using modulation schemes. The light of unknown polarization state is passed through a set of known modulation optics…
Observational signatures of numerically simulated MHD waves in small-scale fluxtubes
E. Khomenko, M. Collados, T. Felipe
We present some results obtained from the synthesis of Stokes profiles in small-scale flux tubes with propagating MHD waves. To that aim, realistic flux tubes showing internal stru…
Multi-Line Quiet Sun Spectro-Polarimetry at 5250 and 6302 Å
H. Socas-Navarro, J. Borrero, A. Asensio Ramos +7
The reliability of quiet Sun magnetic field diagnostics based on the \ion{Fe}{1} lines at 6302 Åhas been questioned by recent work. We present here the results of a thorough study…
GREGOR: the New German Solar Telescope
H. Balthasar, O. von der Lühe, F. Kneer +17
GREGOR is a new open solar telescope with an aperture of 1.5m. It replaces the former 45-cm Gregory Coude telescope on the Canary island Tenerife. The optical concept is that of a…