FWHM = 2.90000e+00              Approx FWHM of objects (pixels) along major axis
AXIS_RATIO = 1.0       For star objects.  AR=b/a; b=minor axis.                 
TILT = 0.0             Angle of major axis in degrees; +x=0; +y=90.             
SKY = 5.00000e+01              Approximate mean sky value in data numbers.      
NFITBOX_X = 11          Size of fit box in the x-direction.                     
NFITBOX_Y = 11          Size of fit box in the y-direction.                     
MASKBOX_X = 5          Size of mask box size in x.                              
MASKBOX_Y = 5          Size of mask box size in y.                              
APBOX_X = 2.30000e+01          Size of aperture photometry box in x.            
APBOX_Y = 2.30000e+01          Size of aperture photometry box in y.            
IBOTTOM = -14           Lowest allowed data value in data numbers.              
ITOP = 30000            Maximum allowed data value in data numbers.             
THRESHMIN = 1.30000e+01        Value of lowest threshold.                       
THRESHMAX = 10000.0    Value of maximum threshold.                              
THRESHDEC = 1.0        Threshold decrement in powers-of-2.                      
EPERDN = 7.40000e+00            Electrons per data number.                      
RDNOISE = 4.51000e+01          Readout noise in electrons.                      
AUTOSCALE = 'NO'       Auto-scaling of sizes by FWHM.                           
AUTOTHRESH = 'NO'      Auto-scaling of thresholds.                              
PARAMS_DEFAULT = 'param_default1_0'   Default parameters file name.             
PARAMS_OUT = 'param_out_n2041_v'      Output parameters file name.              
IMAGE_IN = 'image_in_n2041_v1_0'      Input image name.                         
IMAGE_OUT = ' '                       Output image name.                        
OBJECTS_IN = ' '                      Input object list file name.              
OBJECTS_OUT = 'obj_out_n2041_v'       Output object list file name.             
SHADOWFILE_IN = ' '                   Input shadow file name.                   
SHADOWFILE_OUT = ' '                  Output shadow file name.                  
LOGFILE = 'TERM'                      Log file name.  TERM for screen.          
LOGVERBOSITY = 1                     Verbosity of log file; (0-4).              
RESIDNOISE = 0.3       Fraction of noise to ADD to noise file.                  
FOOTPRINT_NOISE = 1.3  Expand stars in noise file by this amount.               
NPHSUB = 1             Limiting surface brightness for subtractions.            
NPHOB = 1              Limiting surface brightness for obliterations.           
ICRIT = 10             Obliterate if # of pixels > ITOP exceeds this.           
CENTINTMAX = 20000.0   Obliterate if central intensity exceeds this.            
CTPERSAT = 1.0e4       Assumed intensity for saturated pixels.                  
STARGALKNOB = 1.50000e+00       Star/galaxy discriminator.                      
STARCOSKNOB = 1.0      Object/cosmic-ray discriminator.                         
SNLIM7 = 1.00000e+01           Minimum S/N for 7-parameter fit.                 
SNLIM = 0.5            Minimum S/N for a pixel to be in fit subraster.          
SNLIMMASK = 4.0        Minimum S/N through mask to identify an object.          
SNLIMCOS  = 3.0        Minimum S/N to be called a cosmic ray.                   
NBADLEFT = 0           Ignore pixels closer to the left edge than this.         
NBADRIGHT = 0          Ignore pixels closer to the right edge than this.        
NBADTOP = 0            Ignore pixels closer to the top edge than this.          
NBADBOT = 0            Ignore pixels closer to the bottom edge than this.       
PSFTYPE = 'PGAUSS'        PSF type: (PGAUSS)                                    
SKYTYPE = 'Hubble'         SKY type: (PLANE, HUBBLE)                            
OBJTYPE_IN = 'COMPLETE'   Input format: (COMPLETE, INTERNAL)                    
OBJTYPE_OUT = 'COMPLETE'  Output format: (COMPLETE, INCOMPLETE, INTERNAL)       
NFITITER = 10          Maximum number of iterations.                            
NPARAM = 7             Maximum number of PSF fit parameters.                    
NFITMAG = 4            No. of PSF parameters to get magnitudes.                 
NFITSHAPE = 7          No. of PSF parameters to get shape and mags.             
NFITBOXFIRST_X = 31    Size of fit box in x for first pass.                     
NFITBOXFIRST_Y = 31    Size of fit box in y for first pass.                     
CHI2MINBIG = 16        Critical CHI-squared for a large object.                 
XTRA = 25              We need more S/N if some pixels are missing.             
SIGMA1 = 0.10          Max. frac. scatter in sigma_x for stars.                 
SIGMA2 = 0.10          Max. scatter in xy cross term for stars.                 
SIGMA3 = 0.10          Max. frac. scatter in sigma_y for stars.                 
ENUFF4 = 0.50          Fraction of pixels needed for 4-param fit.               
ENUFF7 = 0.65          Fraction of pixels needed for 7-param fit.               
COSOBLSIZE = 0.9       Size of obliteration box for a cosmic ray.               
APMAG_MAXERR = 0.1     Max anticipated error for aperture phot report.          
PIXTHRESH = 1.0        Trigger on pixels higher than noise*PIXTHRESH.           
BETA4 = 1.0            R**4 coefficient modifier.                               
BETA6 = 1.0            R**6 coefficient modifier.                               
SCALEFITBOX = 3.0      Size of fit box in units of FWHM.                        
FITBOXMIN = 5.0        Smallest allowed fit box size.                           
SCALEAPBOX = 6.0       Size of aperture phot box in units of FWHM.              
APBOXMIN = 7.0         Smallest allowed aperture phot box size.                 
SCALEMASKBOX = 1.5     Size of mask box in units of FWHM.                       
AMASKBOXMIN = 5.0      Smallest allowed mask box size.                          
SIGMAIBOTTOM = 10.0    Level of IBOTTOM below sky in units of noise.            
SIGMATHRESHMIN = 2.0   Level of THRESHMIN above sky in units of noise.          
RELACC1 = 0.01         Convergence criterion for sky.                           
RELACC2 = -0.03        Convergence criterion for x-position.                    
RELACC3 = -0.03        Convergence criterion for y-position.                    
RELACC4 = 0.01         Convergence criterion for for central intensity.         
RELACC5 = 0.03         Convergence criterion for sigma-x.                       
RELACC6 = 0.1          Convergence criterion for sigma-xy.                      
RELACC7 = 0.03         Convergence criterion for sigma-y.                       
ABSLIM1 = -1.0e8       Allowed range for sky value.                             
ABSLIM2 = -1.0e3       Allowed range for x-position.                            
ABSLIM3 = -1.0e3       Allowed range for y-position.                            
ABSLIM4 = -1.0e8       Allowed range for central intensity.                     
ABSLIM5 = -1.0e3       Allowed range for sigma-x.                               
ABSLIM6 = -1.0e3       Allowed range for sigma-xy.                              
ABSLIM7 = -1.0e3       Allowed range for sigma-y.                               
END                                                                             
