params.json Config file documentation

{"Simulator_params":{ # Simulation parameters
"working_directory": "/scratch/users/thatomanamela/Results/testing/", # path where results will be stored
"trecs_params_file": "stackingdepth2.ini",  # .ini being used
"msfile_name": "MeerKAT_3GHz_TRECS_srcs_RA0deg_Dec-30deg.MS", # simulated measurement set name
"ra_deg0": 0,  # phase centre Right Ascension of the observation
"dec_deg0": -30, #phase centre Declination of the observation
"obs_length_hr": 1, # observation length in hours
"nchan": 16,  #  Number of channels
"dtime_s": 8,  # intergration time in secounds
"freq0_MHz": "3000MHz", # observational frequency 
"dfreq_MHz": "0.209MHz", # integration frequency
"SEFD_Jy": 450  # the system equivalent flux densit in Jy
},

"Stacking_params":{ # parameters when stacking a certain number of sources to avoid confusion
"stacking_depth?": false,  # should be kept false when "No._of_srcs_of_choice?" is true
"res_element_per_source": 100,  # the number of resolution elements per source
"im_noise_Jy": 3e-6,      # MeerKAT's Full image noise 
"stacking_depth_skymodel_name": "stack_auto/trecs-simu_truthcat.txt",
"FOV_size_cut?": false,      #
"FOV_size_sqdeg": 0.84,   # MeerKAT's FOV size in sq-deg
"FOV_size_cut_value": 0.5,  # sources will be generated within 50% of the FOV if "FOV_size_cut?" is true
"No._of_srcs_of_choice?": true,  # when resolutions elements per source is not prefered
"No._of_srcs": 10,    # flux density of choices provided "No._of_srcs_of_choice?" is true
"flux_density_Jy": 1e-6, # flux density of choices provided "No._of_srcs_of_choice?" is true
"src_size_arcsec": 0 # when 0 TRECS source sizes are used
},

"Imaging_params":{ # Imaging parameters, when removing bright sources before stacking
"stack_msfile_name": "uvstacked.ms", # name of the visibility stacked measurement set
"imagename": "fullimage", # name the full image of the observation simulation when removing bright sources
"niter": 1000,     # CLEAN number of interations
"threshold": "0.01mJy",  #  maximum flux density to CLEANout
"imsize": 3136,   # size of the full image
"stampsize": 64,  # size of uv stacked image
"cell": "1arcsec", # pixel size
"stack_clean?": true, # True for removing bright sources
"weighting": "briggs", # CLEAN weighting
"robust": -0.5 # weighting robust parameters
}}