GIM2D Selection Function
GSELFUNC Þ Requires a "blank" sky section of a real images and a PSF Þ IRAF Parameters : range_file = "gsel_range.dat" Name of range file tmpl_image = "gsel_tmpl" Name of template image out_file = "gsel_func.out" Name of output file sexroot = "gsel" SExtractor file root name imscale = 1. Image scale (arcsecond/pixel) psftype = "tiny_wfpc" PSF type in_psf = "psf" Name of tinytim/user PSF image seeing = 1. Seeing FWHM (arcseconds) egain = 7. Effective gain (electrons/DU) c_abs = 0. Disk internal absorption coefficient (0-1) ngal = 30000 Number of galaxy simulations seed = -26173 Random generator seed loggen = yes Generate flux and radius values in log ? osamp = 1 Core oversampling factor mode = "q"
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