| bmpersrc_th | float | beams per source, 0 => calculate in prog | | |
| boxsize_th | int | boxsize for rms image, 0 => calculate in prog | | |
| fdr_alpha | float | alpha value for FDR; 0 => set to 0.05 inside prog | | |
| maxsize_beam | float | maximum size of fitted gaussian in beam area, 0 => set to 10 inside prog | | |
| minpix_isl | int | minimum num of pixels per island, 0 => set to 4 inside prog | | |
| rms_map | str | Use constant rms value or rms map (value, map) | | |
| stepsize_th | int | stepsize for rms image, 0 => calculate in prog | | |
| takemeanclip | str | take calculated mean_clip or 0, not true/false => calculate in prog | | |
| thresh | str | Source pixel threshold (hard, fdr) | | |
| thresh_isl | float | Threshold in sigma for island boundary | | |
| thresh_pix | float | Value in sigma for hard threshold | | |
