This file is: apex_1frame_step1.nl
To actually use this namelist, remove these header lines
(down to and including the "cut here" line) first, and
save the file to a name of your choosing.


-----------------8<----cut here-----------------
have_uncertainties = 1
compute_uncertainties_internally = 0
run_medfilter = 1
run_gaussnoise = 1
run_pointsourceprob = 1
run_detect = 1
run_fit_radius = 1
run_sourcestimate = 1
run_aperture = 1
run_select = 1
verbose = 1
delete_intermediate_files = 0
NICE = 0
use_psp_to_detect = 1
use_background_subtracted_image_for_fitting = 1

select_conditions = "SNR > 2 and deblend ! NO and deblend ! PO and deblend ! AO"
select_columns = "srcid,RA,Dec,x,y,flux,SNR,chi2/dof"

OUTPUT_DIR = output_apex_1frame_step1

PRF_file_name = mips24_PRF_sim.fits
INPUT_FILE_NAME = data/mosaic.fits
COVERAGE_MAP =  data/mosaic_cov.fits
SIGMA_FILE_NAME = data/mosaic_unc.fits

&MEDFILTER
  Window_X = 45, 
  Window_Y = 45,
  N_Outliers_Per_Window = 500,
&END

&GAUSSNOISE
  Window_X = 19,
  Window_Y = 19,
  N_Outliers_Per_Window = 100,
&END

&POINTSOURCEPROB
# the Resample Factors are the ratios of the image pixel size to the PRF sampling size,
# the same as for SOURCESTIMATE,
  PRF_ResampleX_Factor      = 4,
  PRF_ResampleY_Factor      = 4,
# the size of the input image to be matched by the PRF, in input image pixels,
  PRF_Xsize        = 3,
  PRF_Ysize        = 3,
&END

&PSP_GAUSSNOISE
# if set Input_Type to snr_input in DETECT below, set following to zero,
  N_Outliers_Per_Window = 5,
  Window_X = 19,
  Window_Y = 19,
&END

&FIT_RADIUS
&END

&DETECT
# the maximum number of pixels in a cluster to be declared a detection,
# for bigger clusters the program raises the detection threshold, ,
# and either splits the cluster into 2 or shrinks it down to the required size,
  Detection_Max_Area         = 50.,
# the minimum number of pixels in a cluster to be declared a detection,
# smaller clusters are ignored,
  Detection_Min_Area         = 4.,
  Detection_Threshold        = 30.,
#  The options for Input_Type  are 'image_input' and  'snr_input',
  Input_Type  = 'image_input',
# the options for Threshold_Type are 'simple', 'combo' and 'peak',
  Threshold_Type = 'peak',
  Extended_Object_Area = 100,
&END

&SOURCESTIMATE
# 3 options, 'image_list' is the only option acceptable here,
  InputType = 'image_list',
# the size of the area in the input image to be fitted with PRF, in input image pixels,
# Using run_fit_radius one has to comment the two following keywords,
#  Fitting_Area_X = 5,
#  Fitting_Area_Y = 5,
# maximum number of point sources to use in an attempt to deblend a detection,
  Max_Number_PS = 1,
# the maximum acceptable value of chi^2/degree_of_freedom,
  Chi_Threshold = 3.,
# positive number excludes point sources in the edge around the input image N_Edge pixels wide from fitting,
# negative number appends an edge around the input images N_Edge pixles wide to include the point sources into fitting,
# default 0,
  N_Edge = 1,
# the Resample Factors are the ratios of the image pixel size to the PRF sampling size,
  PRF_ResampleX_Factor      = 4,
  PRF_ResampleY_Factor      = 4,
#the number of fitting iterations to perform after Chi_Threshold has been reached, default = 0,
  Max_N_Success_Iteration = 1000,
#the relative change in chi2/dof to achive after Chi_Threshold has been reached, default = 0.001,
  MinimizeFtolSuccess = 0.0001,
   DitherPixelFraction = 0.1,
   DitherFluxFraction = 1.0,
  Background_Fit = 1,
&END

&APERTURE
  N_Apertures = 5,
  Aperture_Radius_1 = 10.0,
  Aperture_Radius_2 = 12.0,
  Aperture_Radius_3 = 14.0,
  Aperture_Radius_4 = 16.0,
  Aperture_Radius_5 = 18.0,
&END