A new method for in-flight intensity calibration of high-resolution EUV and FUV spectrometers
1
Artep, Inc, 2922 Excelsior Springs Ct, Ellicott City, MD 21042, USA e-mail: landi@poppeo.nrl.navy.mil
2
E.O. Hulburt Center for Space Research, Naval Research Laboratory, Code 7670, Washington DC 20375-5320, USA
Received:
3
May
2005
Accepted:
14
June
2005
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.
Key words: instrumentation: spectrographs / techniques: spectroscopic / methods: observational / methods: data analysis
© ESO, 2005