Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995a%26as..112..371b&link_type=abstract
Astronomy and Astrophysics Supplement, v.112, p.371
Astronomy and Astrophysics
Astrophysics
48
Instrumentation: Spectrometers, Methods: Data Analysis, Techniques: Spectroscopic
Scientific paper
From its earliest conception, the two-dimensional spectrometer for high-resolution solar observation has been a very versatile, hence complex instrument. Since its first successful employment in the Vacuum Tower Telescope (VTT) on Tenerife in 1990, its set-up has been modified and improved to meet the demands of an increasing number of various observational aims. To take full advantage of its many possibilities requires to be familiar with the principal rules of handling the instrument itself, thus relevant information on observing techniques is given here. It is impossible, though, to make intelligent use of the data obtained with this spectrometer without exact knowledge of the instrumental effects entailing special items in the data reduction. Therefore, emphasis is put on essential components, their configuration within the light paths, and the consequences for the proper treatment of the data in order to obtain reliable results. After thorough discussion of these peculiar features of the data analysis which are commonly unknown, the current range of users and the next steps towards further improvements of the instrument are presented.
Bendlin Cornelia
Volkmer Reiner
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