Filtering of artificial Gaussian sources due to the correlated noise removal depending on the input size along the minor (major) axis (FWHM).
|Source sample||Size where|
|Elliptical sources with aspect ratio 2.5:|
|strong sources||220″ (550″)||220″ (550″)||130″ (330″)|
|weak sources||130″ (330″)||120″ (300″)||70″ (180″)|
|all sources||180″ (450″)||160″ (400″)||100″ (250″)|
Notes. and are the output and input peak flux densities, and si the output and input sizes (FWHM), and and the total output and input fluxes over an aperture of radius equal to the input FWHM. The sizes in parentheses correspond to the major axis of the elliptical sources.
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