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A Two-Dimensional Spectrometer for Solar Observation and its recent modifications

Published online by Cambridge University Press:  12 April 2016

Cornelia Bendlin
Cornelia Bendlin*
Affiliation:
Institut für Astronomie und Astrophysik, Am Hubland, D-97074 Würzburg, Germany

Abstract

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The instrument presented here is based on the combined use of a Universal Birefringent Filter (UBF) and a Fabry-Perot Interferometer (FPI) to obtain narrow-band filtergrams with a CCD. Scanning through a Fraunhofer line with a sufficient number of wavelength settings is accomplished within a few seconds by tuning only the FPI. The two-dimensional spectrometer in the German Vacuum Tower Telescope (VTT)/Tenerife was used to take observations of high spatial, spectral, and temporal resolution, yielding a wide range of results. Since recently, additional information on the solar magnetic field is obtained with it.

Type
2. The Fabry-Perot Spectrometer and its Applications
Information
International Astronomical Union Colloquium , Volume 149: Tridimensional Optical Spectroscopic Methods in Astrophysics , 1995 , pp. 188 - 192
Copyright
Copyright © Astronomical Society of the Pacific 1995

References

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