Computer Science – Performance
Scientific paper
Sep 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975ap%26ss..36..489m&link_type=abstract
Astrophysics and Space Science, vol. 36, Sept. 1975, p. 489-493. Research sponsored by the Science Research Council.
Computer Science
Performance
1
Fabry-Perot Spectrometers, Image Tubes, Monochromators, Optical Emission Spectroscopy, Performance Tests, Spectral Resolution, Comparison, Emission Spectra, Focal Plane Devices, Nebulae, Wavelengths, White Noise
Scientific paper
The image-tube insect-eye Fabry-Perot spectrograph (IEFP) and a classical Fabry-Perot monochromator (FPM) were used in the investigation of high wavelength resolution profiles of individual nebular emission lines from separate spatial elements of nebulae. Both devices were used with the same telescope and the same focal plane area. In one case the required spectral information was from spatial elements whose solid angle was limited by the area of the individual insect-eye lenses; in the other the solid angle of spatial element considered for the FPM was greater than that defined by the IEFP lenses. A substantial time gain by use of the IEFP was indicated in both cases.
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