! Started logfile: /image_prod/ug002_uva//J2303+1431_X_dfm.log on Thu Mar 5 06:03:54 2020 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /image_prod/ug002_uva//J2303+1431_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J2303+1431_X_uva.fits ! AN table 1: 60 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.994444 visibilities/baseline/integration-bin. ! Found source: J2303+1431 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 121 lines of history. ! ! Reading 25776 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 12 channels. ! Selecting polarization: RR, channels: 1..12 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J2303+1431_X] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=1.004257Jy sigma=8.600205 ! Fit after self-cal, rms=0.946788Jy sigma=8.119765 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.6757 mas, bmaj=1.617 mas, bpa=-1.771 degrees ! Estimated noise=1.02658 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0409994 Jy ! Component: 100 - total flux cleaned = 0.0534465 Jy ! Total flux subtracted in 100 components = 0.0534465 Jy ! Clean residual min=-0.003360 max=0.006003 Jy/beam ! Clean residual mean=-0.000002 rms=0.000856 Jy/beam ! Combined flux in latest and established models = 0.0534465 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.0534465 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.074080Jy sigma=0.513477 ! Fit after self-cal, rms=0.073053Jy sigma=0.504801 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00828534 Jy ! Component: 100 - total flux cleaned = 0.0127867 Jy ! Total flux subtracted in 100 components = 0.0127867 Jy ! Clean residual min=-0.003171 max=0.003866 Jy/beam ! Clean residual mean=-0.000001 rms=0.000767 Jy/beam ! Combined flux in latest and established models = 0.0662332 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 7 components and 0.0662332 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.071939Jy sigma=0.495037 ! Fit after self-cal, rms=0.071899Jy sigma=0.494687 ! Inverting map ! Added new window around map position (-0.8, -0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00441982 Jy ! Component: 100 - total flux cleaned = 0.00521176 Jy ! Total flux subtracted in 100 components = 0.00521176 Jy ! Clean residual min=-0.003017 max=0.003427 Jy/beam ! Clean residual mean=-0.000000 rms=0.000736 Jy/beam ! Combined flux in latest and established models = 0.0714449 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 13 components and 0.0714449 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.071640Jy sigma=0.492717 ! Fit after self-cal, rms=0.071577Jy sigma=0.492392 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8639 mas, bmaj=1.872 mas, bpa=-1.811 degrees ! Estimated noise=0.53148 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (12.2, 4.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00211311 Jy ! Component: 100 - total flux cleaned = 0.00185528 Jy ! Component: 150 - total flux cleaned = 0.00163667 Jy ! Component: 200 - total flux cleaned = 0.00157369 Jy ! Total flux subtracted in 200 components = 0.00157369 Jy ! Clean residual min=-0.002428 max=0.002621 Jy/beam ! Clean residual mean=-0.000001 rms=0.000520 Jy/beam ! Combined flux in latest and established models = 0.0730186 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 29 components and 0.0730186 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.071354Jy sigma=0.490599 ! Fit after self-cal, rms=0.071301Jy sigma=0.490412 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8639 x 1.872 at -1.811 degrees (North through East) ! Clean map min=-0.0021687 max=0.054731 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 1.00 HN 0.91 KP 0.98 ! LA 0.96 MK 0.95 NL 1.18 OV 1.04 ! SC 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.01 HN 0.91 KP 1.05 ! LA 0.97 MK 1.01 NL 1.16 OV 0.97 ! SC 1.03 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.01 HN 0.89 KP 1.07 ! LA 0.96 MK 1.03 NL 1.18 OV 1.00 ! SC 1.01 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.98 HN 0.92 KP 1.05 ! LA 0.95 MK 0.98 NL 1.13 OV 1.04 ! SC 1.03 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.96 HN 0.81 KP 1.07 ! LA 0.95 MK 0.98 NL 1.18 OV 0.99 ! SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.96 HN 0.85 KP 1.06 ! LA 0.93 MK 0.99 NL 1.17 OV 0.94 ! SC 1.06 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.99 HN 0.78 KP 1.11 ! LA 0.98 MK 0.98 NL 1.21 OV 1.00 ! SC 1.03 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.97 HN 0.83 KP 1.06 ! LA 0.96 MK 0.95 NL 1.14 OV 1.00 ! SC 1.01 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 1.01 HN 0.78 KP 1.06 ! LA 0.97 MK 0.94 NL 1.22 OV 1.00 ! SC 1.01 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.93 HN 0.79 KP 1.07 ! LA 0.99 MK 0.99 NL 1.21 OV 0.97 ! SC 1.04 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 0.98 HN 0.76 KP 1.05 ! LA 0.94 MK 0.95 NL 1.19 OV 0.99 ! SC 0.94 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.85 FD 0.94 HN 0.70 KP 1.04 ! LA 0.98 MK 0.97 NL 1.23 OV 1.05 ! SC 0.97 ! ! ! Fit before self-cal, rms=0.071301Jy sigma=0.490412 ! Fit after self-cal, rms=0.063764Jy sigma=0.486690 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8553 mas, bmaj=1.853 mas, bpa=-2.243 degrees ! Estimated noise=0.520486 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00109347 Jy ! Component: 100 - total flux cleaned = 0.00126108 Jy ! Component: 150 - total flux cleaned = 0.0012668 Jy ! Component: 200 - total flux cleaned = 0.00126744 Jy ! Total flux subtracted in 200 components = 0.00126744 Jy ! Clean residual min=-0.001551 max=0.001568 Jy/beam ! Clean residual mean=0.000000 rms=0.000377 Jy/beam ! Combined flux in latest and established models = 0.0742861 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 52 components and 0.0742861 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.063695Jy sigma=0.486271 ! Fit after self-cal, rms=0.063609Jy sigma=0.485814 ! Inverting map selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.063609Jy sigma=0.485814 ! Fit after self-cal, rms=0.062205Jy sigma=0.483069 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.853 mas, bmaj=1.845 mas, bpa=-2.595 degrees ! Estimated noise=0.51954 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000875262 Jy ! Component: 100 - total flux cleaned = 0.00115286 Jy ! Component: 150 - total flux cleaned = 0.00120111 Jy ! Component: 200 - total flux cleaned = 0.00124158 Jy ! Total flux subtracted in 200 components = 0.00124158 Jy ! Clean residual min=-0.001247 max=0.001110 Jy/beam ! Clean residual mean=0.000000 rms=0.000271 Jy/beam ! Combined flux in latest and established models = 0.0755277 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 67 components and 0.0755277 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.062173Jy sigma=0.482859 ! Fit after self-cal, rms=0.062180Jy sigma=0.482682 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000304643 Jy ! Component: 100 - total flux cleaned = 0.000303042 Jy ! Component: 150 - total flux cleaned = 0.000321284 Jy ! Component: 200 - total flux cleaned = 0.000321048 Jy ! Total flux subtracted in 200 components = 0.000321048 Jy ! Clean residual min=-0.001248 max=0.001142 Jy/beam ! Clean residual mean=0.000000 rms=0.000271 Jy/beam ! Combined flux in latest and established models = 0.0758487 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 71 components and 0.0758487 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.062164Jy sigma=0.482593 ! Fit after self-cal, rms=0.062159Jy sigma=0.482579 ! Inverting map selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.062159Jy sigma=0.482579 ! Fit after self-cal, rms=0.061497Jy sigma=0.482501 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8493 mas, bmaj=1.842 mas, bpa=-2.711 degrees ! Estimated noise=0.516955 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000419144 Jy ! Component: 100 - total flux cleaned = 0.000621272 Jy ! Component: 150 - total flux cleaned = 0.000725631 Jy ! Component: 200 - total flux cleaned = 0.000803674 Jy ! Total flux subtracted in 200 components = 0.000803674 Jy ! Clean residual min=-0.001161 max=0.001108 Jy/beam ! Clean residual mean=0.000000 rms=0.000265 Jy/beam ! Combined flux in latest and established models = 0.0766524 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 81 components and 0.0766524 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.061482Jy sigma=0.482413 ! Fit after self-cal, rms=0.061481Jy sigma=0.482395 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000162891 Jy ! Component: 100 - total flux cleaned = 0.000193192 Jy ! Component: 150 - total flux cleaned = 0.000222054 Jy ! Component: 200 - total flux cleaned = 0.000249403 Jy ! Total flux subtracted in 200 components = 0.000249403 Jy ! Clean residual min=-0.001156 max=0.001131 Jy/beam ! Clean residual mean=0.000000 rms=0.000265 Jy/beam ! Combined flux in latest and established models = 0.0769018 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 81 components and 0.0769018 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.061473Jy sigma=0.482346 ! Fit after self-cal, rms=0.061471Jy sigma=0.482341 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.061471Jy sigma=0.482341 ! Fit after self-cal, rms=0.061018Jy sigma=0.482321 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.929 mas, bmaj=2.702 mas, bpa=-2.342 degrees ! Estimated noise=0.653549 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.57332e-05 Jy ! Component: 100 - total flux cleaned = 0.000301024 Jy ! Component: 150 - total flux cleaned = 0.000393832 Jy ! Component: 200 - total flux cleaned = 0.000511416 Jy ! Total flux subtracted in 200 components = 0.000511416 Jy ! Clean residual min=-0.001024 max=0.001516 Jy/beam ! Clean residual mean=0.000001 rms=0.000301 Jy/beam ! Combined flux in latest and established models = 0.0774132 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 90 components and 0.0774132 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.061017Jy sigma=0.482289 ! Fit after self-cal, rms=0.061008Jy sigma=0.482263 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-2, -4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000833316 Jy ! Component: 100 - total flux cleaned = 0.00089981 Jy ! Component: 150 - total flux cleaned = 0.000924964 Jy ! Component: 200 - total flux cleaned = 0.0009705 Jy ! Total flux subtracted in 200 components = 0.0009705 Jy ! Clean residual min=-0.000907 max=0.001028 Jy/beam ! Clean residual mean=0.000001 rms=0.000244 Jy/beam ! Combined flux in latest and established models = 0.0783837 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 117 components and 0.0783837 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.060991Jy sigma=0.482064 ! Fit after self-cal, rms=0.060984Jy sigma=0.482026 ! Inverting map ! Added new window around map position (-3.4, -20.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000819036 Jy ! Component: 100 - total flux cleaned = 0.000931481 Jy ! Component: 150 - total flux cleaned = 0.000826195 Jy ! Component: 200 - total flux cleaned = 0.000751443 Jy ! Total flux subtracted in 200 components = 0.000751443 Jy ! Clean residual min=-0.000943 max=0.000861 Jy/beam ! Clean residual mean=0.000001 rms=0.000224 Jy/beam ! Combined flux in latest and established models = 0.0791352 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 139 components and 0.0791352 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.060973Jy sigma=0.481900 ! Fit after self-cal, rms=0.060969Jy sigma=0.481882 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=0.8473 mas, bmaj=1.841 mas, bpa=-2.766 degrees ! Estimated noise=0.515374 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8473 x 1.841 at -2.766 degrees (North through East) ! Clean map min=-0.0010692 max=0.052964 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.6672 mas, bmaj=1.598 mas, bpa=-2.753 degrees ! Estimated noise=0.977556 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0406454 Jy ! Component: 100 - total flux cleaned = 0.0554797 Jy ! Component: 150 - total flux cleaned = 0.0631339 Jy ! Component: 200 - total flux cleaned = 0.0678384 Jy ! Total flux subtracted in 200 components = 0.0678384 Jy ! Clean residual min=-0.002523 max=0.002607 Jy/beam ! Clean residual mean=-0.000001 rms=0.000595 Jy/beam ! Combined flux in latest and established models = 0.0678384 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.0678384 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8473 mas, bmaj=1.841 mas, bpa=-2.766 degrees ! Estimated noise=0.515374 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00348834 Jy ! Component: 100 - total flux cleaned = 0.00584854 Jy ! Component: 150 - total flux cleaned = 0.00732308 Jy ! Component: 200 - total flux cleaned = 0.00793996 Jy ! Total flux subtracted in 200 components = 0.00793996 Jy ! Clean residual min=-0.001321 max=0.001274 Jy/beam ! Clean residual mean=-0.000000 rms=0.000293 Jy/beam ! Combined flux in latest and established models = 0.0757784 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 46 components and 0.0757784 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.929 mas, bmaj=2.702 mas, bpa=-2.342 degrees ! Estimated noise=0.653549 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00191307 Jy ! Component: 100 - total flux cleaned = 0.00250046 Jy ! Component: 150 - total flux cleaned = 0.0028398 Jy ! Component: 200 - total flux cleaned = 0.00293409 Jy ! Total flux subtracted in 200 components = 0.00293409 Jy ! Clean residual min=-0.001058 max=0.001045 Jy/beam ! Clean residual mean=0.000001 rms=0.000259 Jy/beam ! Combined flux in latest and established models = 0.0787125 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000171043 Jy ! Component: 100 - total flux cleaned = 0.000349674 Jy ! Component: 150 - total flux cleaned = 0.000465775 Jy ! Component: 200 - total flux cleaned = 0.000443384 Jy ! Total flux subtracted in 200 components = 0.000443384 Jy ! Clean residual min=-0.001033 max=0.001012 Jy/beam ! Clean residual mean=0.000001 rms=0.000238 Jy/beam ! Combined flux in latest and established models = 0.0791558 Jy ! Adding 64 model components to the UV plane model. ! The established model now contains 104 components and 0.0791558 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8473 mas, bmaj=1.841 mas, bpa=-2.766 degrees ! Estimated noise=0.515374 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000154246 Jy ! Component: 100 - total flux cleaned = -0.000190041 Jy ! Component: 150 - total flux cleaned = -0.000432621 Jy ! Component: 200 - total flux cleaned = -0.000623155 Jy ! Total flux subtracted in 200 components = -0.000623155 Jy ! Clean residual min=-0.001241 max=0.001151 Jy/beam ! Clean residual mean=0.000000 rms=0.000241 Jy/beam ! Combined flux in latest and established models = 0.0785327 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 130 components and 0.0785327 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.060988Jy sigma=0.482081 ! Fit after self-cal, rms=0.060960Jy sigma=0.481918 wmodel J2303+1431_X_map.mod ! Writing 130 model components to file: J2303+1431_X_map.mod wobs J2303+1431_X_uvs.fits ! Writing UV FITS file: J2303+1431_X_uvs.fits wwins J2303+1431_X_map.win ! wwins: Wrote 5 windows to J2303+1431_X_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000211199 Jy ! Component: 100 - total flux cleaned = -0.000487673 Jy ! Component: 150 - total flux cleaned = -0.000591494 Jy ! Component: 200 - total flux cleaned = -0.000640326 Jy ! Component: 250 - total flux cleaned = -0.000703871 Jy ! Component: 300 - total flux cleaned = -0.000812914 Jy ! Component: 350 - total flux cleaned = -0.000888947 Jy ! Component: 400 - total flux cleaned = -0.000948582 Jy ! Component: 450 - total flux cleaned = -0.000992721 Jy ! Component: 500 - total flux cleaned = -0.00105052 Jy ! Component: 550 - total flux cleaned = -0.00110743 Jy ! Component: 600 - total flux cleaned = -0.00117769 Jy ! Component: 650 - total flux cleaned = -0.00121928 Jy ! Component: 700 - total flux cleaned = -0.00123287 Jy ! Component: 750 - total flux cleaned = -0.0012734 Jy ! Component: 800 - total flux cleaned = -0.00131347 Jy ! Component: 850 - total flux cleaned = -0.00130029 Jy ! Component: 900 - total flux cleaned = -0.00131341 Jy ! Component: 950 - total flux cleaned = -0.00135201 Jy ! Component: 1000 - total flux cleaned = -0.00140297 Jy ! Component: 1050 - total flux cleaned = -0.00140295 Jy ! Component: 1100 - total flux cleaned = -0.00141554 Jy ! Component: 1150 - total flux cleaned = -0.00144043 Jy ! Component: 1200 - total flux cleaned = -0.00150198 Jy ! Component: 1250 - total flux cleaned = -0.0015629 Jy ! Component: 1300 - total flux cleaned = -0.001587 Jy ! Component: 1350 - total flux cleaned = -0.00159882 Jy ! Component: 1400 - total flux cleaned = -0.00162236 Jy ! Component: 1450 - total flux cleaned = -0.00163402 Jy ! Component: 1500 - total flux cleaned = -0.00166896 Jy ! Component: 1550 - total flux cleaned = -0.0016574 Jy ! Component: 1600 - total flux cleaned = -0.00168049 Jy ! Component: 1650 - total flux cleaned = -0.00172616 Jy ! Component: 1700 - total flux cleaned = -0.0017487 Jy ! Component: 1750 - total flux cleaned = -0.00174869 Jy ! Component: 1800 - total flux cleaned = -0.00175977 Jy ! Component: 1850 - total flux cleaned = -0.00177081 Jy ! Component: 1900 - total flux cleaned = -0.00174887 Jy ! Component: 1950 - total flux cleaned = -0.00177076 Jy ! Component: 2000 - total flux cleaned = -0.0017384 Jy ! Component: 2050 - total flux cleaned = -0.00173841 Jy ! Component: 2100 - total flux cleaned = -0.00175979 Jy ! Component: 2150 - total flux cleaned = -0.00173854 Jy ! Component: 2200 - total flux cleaned = -0.00174903 Jy ! Component: 2250 - total flux cleaned = -0.00170728 Jy ! Component: 2300 - total flux cleaned = -0.0016969 Jy ! Component: 2350 - total flux cleaned = -0.00170716 Jy ! Component: 2400 - total flux cleaned = -0.00166609 Jy ! Component: 2450 - total flux cleaned = -0.00164563 Jy ! Component: 2500 - total flux cleaned = -0.00162531 Jy ! Component: 2550 - total flux cleaned = -0.00158505 Jy ! Component: 2600 - total flux cleaned = -0.00154521 Jy ! Component: 2650 - total flux cleaned = -0.0015255 Jy ! Component: 2700 - total flux cleaned = -0.00151556 Jy ! Component: 2750 - total flux cleaned = -0.00148621 Jy ! Component: 2800 - total flux cleaned = -0.00145693 Jy ! Component: 2850 - total flux cleaned = -0.0014763 Jy ! Component: 2900 - total flux cleaned = -0.00140878 Jy ! Component: 2950 - total flux cleaned = -0.00142793 Jy ! Component: 3000 - total flux cleaned = -0.00142788 Jy ! Component: 3050 - total flux cleaned = -0.00137105 Jy ! Component: 3100 - total flux cleaned = -0.00134287 Jy ! Component: 3150 - total flux cleaned = -0.00135217 Jy ! Component: 3200 - total flux cleaned = -0.00133361 Jy ! Component: 3250 - total flux cleaned = -0.00128735 Jy ! Component: 3300 - total flux cleaned = -0.00127819 Jy ! Component: 3350 - total flux cleaned = -0.00125074 Jy ! Component: 3400 - total flux cleaned = -0.0012234 Jy ! Component: 3450 - total flux cleaned = -0.00121432 Jy ! Component: 3500 - total flux cleaned = -0.00118723 Jy ! Component: 3550 - total flux cleaned = -0.00114243 Jy ! Component: 3600 - total flux cleaned = -0.0011156 Jy ! Component: 3650 - total flux cleaned = -0.0010623 Jy ! Component: 3700 - total flux cleaned = -0.00105353 Jy ! Component: 3750 - total flux cleaned = -0.00102718 Jy ! Component: 3800 - total flux cleaned = -0.00102718 Jy ! Component: 3850 - total flux cleaned = -0.00100973 Jy ! Component: 3900 - total flux cleaned = -0.000966362 Jy ! Component: 3950 - total flux cleaned = -0.000905987 Jy ! Component: 4000 - total flux cleaned = -0.000923164 Jy ! Component: 4050 - total flux cleaned = -0.000854817 Jy ! Total flux subtracted in 4096 components = -0.000829255 Jy ! Clean residual min=-0.000464 max=0.000501 Jy/beam ! Clean residual mean=0.000000 rms=0.000146 Jy/beam ! Combined flux in latest and established models = 0.0777034 Jy keep ! Adding 304 model components to the UV plane model. ! The established model now contains 433 components and 0.0777034 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J2303+1431_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8473 x 1.841 at -2.766 degrees (North through East) ! Clean map min=-0.00091009 max=0.051635 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J2303+1431_X_map.fits wmodel /image_prod/ug002_uva//J2303+1431_X_map.mod ! Writing 433 model components to file: /image_prod/ug002_uva//J2303+1431_X_map.mod wobs /image_prod/ug002_uva//J2303+1431_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J2303+1431_X_uvs.fits wwins /image_prod/ug002_uva//J2303+1431_X_map.win ! wwins: Wrote 6 windows to /image_prod/ug002_uva//J2303+1431_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0516355 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000145305 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.844215 0.844215 1.68843 3.37686 6.75372 13.5074 27.0149 54.0298 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.051 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 355.359 quit ! Quitting program ! Log file /image_prod/ug002_uva//J2303+1431_X_dfm.log closed on Thu Mar 5 06:03:59 2020