Kucheckcera, Ana and Hanslmeier, A. and Rybák, Jan and Wöhl, H. (2002) High resolution CCD spectra reduction: Temporal changes of the flat-field compensation. Il nuovo cimento C, 25 (5\6). pp. 703-708. ISSN 1826-9885
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Abstract
A new method suitable for long-time series of high-resolution CCD spectra reduction is presented. The method allows to compensate the temporal changes of the instrument conditions which leads to temporal changes of the flat-field matrix. Sometimes it is impossible to make the flat-field measurements during long simultaneous observations with satellites (SOHO, TRACE). The method splits the flat-field matrix into two components. The first one, connected with CCD camera is stable in time and is correct for all spectra. The second one varies and reflects temporal changes of the conditions in the spectrograph. Description of the method and its application to real high-resolution CCD spectra is presented and discussed.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Charge-coupled devices, image detectors, and IR detector arrays |
| Subjects: | 500 Scienze naturali e Matematica > 530 Fisica |
| Depositing User: | Marina Spanti |
| Date Deposited: | 12 Mar 2020 17:07 |
| Last Modified: | 12 Mar 2020 17:07 |
| URI: | http://eprints.bice.rm.cnr.it/id/eprint/14883 |
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