Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987spie..819..204l&link_type=abstract
IN: Infrared technology XIII; Proceedings of the Meeting, San Diego, CA, Aug. 18-20, 1987 (A88-40376 16-35). Bellingham, WA, Soc
Astronomy and Astrophysics
Astronomy
2
Calibrating, Data Reduction, Infrared Spectrometers, Infrared Telescopes, Phased Arrays, Background Radiation, Infrared Astronomy, Pipelining (Computers)
Scientific paper
Data reduction techniques have been implemented recently to obtain infrared spectra of astronomical objects from raw data obtained with the mosaic detector array and prism slit spectrometer used for groundbased telescope astronomical observations. During the course of the analysis, several instrumental peculiarities presented significant complications that were ultimately addressed. The techniques for flat fielding a slit spectrometer cannot follow exactly those used for an imaging camera, but a limited flat fielding approach can be used in conjunction with measurements of known calibration sources to calibrate the entire array. The end product described here allows a pipeline application of computer software to raw data frames that results in astronomical spectra independent of atmospheric and instrumental attenuation.
Levan Paul D.
Sloan Gregory
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