Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005a%26a...441.1211f&link_type=abstract
Astronomy and Astrophysics, Volume 441, Issue 3, October III 2005, pp.1211-1215
Astronomy and Astrophysics
Astrophysics
4
Instrumentation: Spectrographs, Techniques: Spectroscopic, Methods: Observational, Methods: Data Analysis
Scientific paper
We introduce a new technique for the measurement of the in-flight relative intensity calibration of high resolution spectrometers. This technique makes use of the free-free radiation in hot, dense active regions and flares, and combines it with spectral line intensities in an iterative procedure. After a few iterations, the relative intensity calibration and the temperature of the emitting plasma are determined. The application of this technique to the EIS instrument on board the Solar-B satellite (launch in 2006) is discussed.
Doschek George A.
Feldman Uri
Landi Enrico
Mariska John T.
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