The Effects of Scan Speed and Aperture of PDS on the Spectrum Analysis

Details The Effects of Scan Speed and Aperture of PDS on the Spectrum Analysis The Effects of Scan Speed and Aperture of PDS on the Spectrum Analysis

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993pkas....8...33l&link_type=abstract

Publications of the Korean Astronomical Society, vol.8, no.1, p.33-45

Astronomy and Astrophysics

Astronomy

Scientific paper

The variation of instrumental profile for the different scan speed of PDS is estimated as FWHM of the assumed Gaussian Profile. The effects of scan speed and scan aperture of PDS on the objective prism spectrum analysis are investigated for 8 combinations of scan speed and scan aperture. Among them, D1 aperture with 15 csu is found to be the most optimum choice for measuring KISO objective prism film. We suggest the preliminary test study of the scan speed and aperture for the optimum use of PDS for any massive scan of spectra. The optimum scan speed and aperture depends on the dispersion of spectrum as well as the type of photographic emulsion.

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