GIM2D Simulations
Single bandpass, single image (GSIMUL) 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 = "gsimul.out" Name of output file sexroot = "gsimul" SExtractor file root name xgalroot = "gsimul" Extracted image root name reduce_cl = "reduce.cl" Name of output GIMFIT2D cl script imscale = 1. Image scale (arcsecond/pixel) psftype = "tiny_wfpc" PSF type in_psf = "gsim_psf" Name of tinytim/user PSF image c_abs = 0. Disk internal absorption coefficient seeing = 1. Seeing FWHM (arcseconds) egain = 7. Effective gain (electrons/DU) earea = 20. Extraction area in multiple of isophotal area ngal = 2000 Number of galaxy simulations seed = -20457 Random generator seed loggen = yes Generate flux and radius log values? osamp = 5 Core oversampling factor mode = "q" Þ Format of range file : Fmin Fmax B/Tmin B/Tmax re, min re, max emin emax rd, min rd, max imin imax nmin n max fb fd dx dy db nHII HIIfracLmin HIIfracLmax HIIrmax
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