! Started logfile: /image_prod/ug002_uva//J1920-0236_X_dfm.log on Thu Mar 5 04:07:48 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//J1920-0236_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1920-0236_X_uva.fits ! AN table 1: 60 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.898611 visibilities/baseline/integration-bin. ! Found source: J1920-0236 ! ! 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 134 lines of history. ! ! Reading 23292 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 J1920-0236_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. ! A total of 28 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 28 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 28 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 28 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 28 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 28 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 28 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 28 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 28 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 28 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 28 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 28 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.007653Jy sigma=8.588478 ! Fit after self-cal, rms=0.867912Jy sigma=7.316246 ! 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=0.6605 mas, bmaj=1.722 mas, bpa=1.97 degrees ! Estimated noise=0.897132 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 = 0.0955786 Jy ! Component: 100 - total flux cleaned = 0.129256 Jy ! Total flux subtracted in 100 components = 0.129256 Jy ! Clean residual min=-0.006538 max=0.018061 Jy/beam ! Clean residual mean=-0.000000 rms=0.001923 Jy/beam ! Combined flux in latest and established models = 0.129256 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.129256 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=0.071276Jy sigma=0.598933 ! Fit after self-cal, rms=0.071171Jy sigma=0.598032 ! Inverting map ! Added new window around map position (1, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0203228 Jy ! Component: 100 - total flux cleaned = 0.0335142 Jy ! Total flux subtracted in 100 components = 0.0335142 Jy ! Clean residual min=-0.004871 max=0.007234 Jy/beam ! Clean residual mean=0.000001 rms=0.001216 Jy/beam ! Combined flux in latest and established models = 0.16277 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 16 components and 0.16277 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=0.061331Jy sigma=0.499166 ! Fit after self-cal, rms=0.060976Jy sigma=0.496518 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00981713 Jy ! Component: 100 - total flux cleaned = 0.0161586 Jy ! Total flux subtracted in 100 components = 0.0161586 Jy ! Clean residual min=-0.003887 max=0.006672 Jy/beam ! Clean residual mean=0.000001 rms=0.000928 Jy/beam ! Combined flux in latest and established models = 0.178929 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 18 components and 0.178929 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=0.058228Jy sigma=0.469586 ! Fit after self-cal, rms=0.058123Jy sigma=0.468816 ! Inverting map ! Added new window around map position (4.2, 1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00641255 Jy ! Component: 100 - total flux cleaned = 0.010895 Jy ! Total flux subtracted in 100 components = 0.010895 Jy ! Clean residual min=-0.003558 max=0.004156 Jy/beam ! Clean residual mean=0.000001 rms=0.000772 Jy/beam ! Combined flux in latest and established models = 0.189824 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 27 components and 0.189824 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=0.056947Jy sigma=0.457076 ! Fit after self-cal, rms=0.056910Jy sigma=0.456702 ! 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=0.8416 mas, bmaj=2.012 mas, bpa=2.382 degrees ! Estimated noise=0.55657 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 = 0.00695113 Jy ! Component: 100 - total flux cleaned = 0.0117513 Jy ! Component: 150 - total flux cleaned = 0.0152004 Jy ! Component: 200 - total flux cleaned = 0.0177337 Jy ! Total flux subtracted in 200 components = 0.0177337 Jy ! Clean residual min=-0.003503 max=0.003936 Jy/beam ! Clean residual mean=0.000004 rms=0.000797 Jy/beam ! Combined flux in latest and established models = 0.207558 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 50 components and 0.207557 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=0.055896Jy sigma=0.446960 ! Fit after self-cal, rms=0.055846Jy sigma=0.446404 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8416 x 2.012 at 2.382 degrees (North through East) ! Clean map min=-0.0030513 max=0.13375 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.03 HN 0.98 KP 1.02 ! LA 1.05 MK 1.04 OV 0.94 PT 0.93 ! SC 1.02 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.03 HN 0.97 KP 1.04 ! LA 1.05 MK 1.06 OV 0.94 PT 0.94 ! SC 1.01 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.04 HN 0.96 KP 1.06 ! LA 1.04 MK 1.03 OV 0.93 PT 0.92 ! SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.04 HN 0.97 KP 1.04 ! LA 1.04 MK 1.04 OV 0.92 PT 0.95 ! SC 1.00 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.06 HN 0.97 KP 1.04 ! LA 1.06 MK 1.06 OV 0.92 PT 0.96 ! SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.03 HN 0.93 KP 1.08 ! LA 1.04 MK 1.04 OV 0.92 PT 0.92 ! SC 1.00 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.04 HN 0.92 KP 1.05 ! LA 1.05 MK 1.07 OV 0.95 PT 0.92 ! SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.05 HN 0.99 KP 1.07 ! LA 1.04 MK 1.02 OV 0.94 PT 0.93 ! SC 1.04 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.03 HN 0.92 KP 1.05 ! LA 1.03 MK 1.02 OV 0.96 PT 0.94 ! SC 1.03 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.06 HN 0.98 KP 1.02 ! LA 1.03 MK 1.00 OV 0.97 PT 0.94 ! SC 1.03 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.05 HN 0.99 KP 1.04 ! LA 1.04 MK 1.05 OV 0.94 PT 0.94 ! SC 0.97 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 HN 0.95 KP 1.05 ! LA 1.02 MK 1.09 OV 0.96 PT 0.94 ! SC 1.00 ! ! ! Fit before self-cal, rms=0.055846Jy sigma=0.446404 ! Fit after self-cal, rms=0.054432Jy sigma=0.438267 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8472 mas, bmaj=2.018 mas, bpa=2.639 degrees ! Estimated noise=0.550766 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 (5.2, 2.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00321286 Jy ! Component: 100 - total flux cleaned = 0.00510914 Jy ! Component: 150 - total flux cleaned = 0.00649947 Jy ! Component: 200 - total flux cleaned = 0.00710974 Jy ! Total flux subtracted in 200 components = 0.00710974 Jy ! Clean residual min=-0.001611 max=0.001817 Jy/beam ! Clean residual mean=0.000001 rms=0.000397 Jy/beam ! Combined flux in latest and established models = 0.214667 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 67 components and 0.214667 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=0.054227Jy sigma=0.436189 ! Fit after self-cal, rms=0.054209Jy sigma=0.435974 ! 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=0.054209Jy sigma=0.435974 ! Fit after self-cal, rms=0.054337Jy sigma=0.434667 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8467 mas, bmaj=2.02 mas, bpa=2.577 degrees ! Estimated noise=0.551565 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0012741 Jy ! Component: 100 - total flux cleaned = 0.00202792 Jy ! Component: 150 - total flux cleaned = 0.00221212 Jy ! Component: 200 - total flux cleaned = 0.00231995 Jy ! Total flux subtracted in 200 components = 0.00231995 Jy ! Clean residual min=-0.001324 max=0.001689 Jy/beam ! Clean residual mean=-0.000000 rms=0.000333 Jy/beam ! Combined flux in latest and established models = 0.216987 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 85 components and 0.216987 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=0.054298Jy sigma=0.434245 ! Fit after self-cal, rms=0.054301Jy sigma=0.434214 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 (1.4, -15). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000841394 Jy ! Component: 100 - total flux cleaned = 0.000874522 Jy ! Component: 150 - total flux cleaned = 0.0011255 Jy ! Component: 200 - total flux cleaned = 0.00129669 Jy ! Total flux subtracted in 200 components = 0.00129669 Jy ! Clean residual min=-0.001263 max=0.001591 Jy/beam ! Clean residual mean=-0.000000 rms=0.000308 Jy/beam ! Combined flux in latest and established models = 0.218284 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 111 components and 0.218284 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=0.054254Jy sigma=0.433703 ! Fit after self-cal, rms=0.054253Jy sigma=0.433685 ! Inverting map ! Added new window around map position (-6.8, -35.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00119039 Jy ! Component: 100 - total flux cleaned = 0.00147118 Jy ! Component: 150 - total flux cleaned = 0.00169029 Jy ! Component: 200 - total flux cleaned = 0.00182219 Jy ! Total flux subtracted in 200 components = 0.00182219 Jy ! Clean residual min=-0.001243 max=0.001204 Jy/beam ! Clean residual mean=0.000000 rms=0.000285 Jy/beam ! Combined flux in latest and established models = 0.220106 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 137 components and 0.220106 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=0.054215Jy sigma=0.433338 ! Fit after self-cal, rms=0.054212Jy sigma=0.433316 ! 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=0.054212Jy sigma=0.433316 ! Fit after self-cal, rms=0.054153Jy sigma=0.431863 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8464 mas, bmaj=2.02 mas, bpa=2.622 degrees ! Estimated noise=0.551356 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000644991 Jy ! Component: 100 - total flux cleaned = 0.00107663 Jy ! Component: 150 - total flux cleaned = 0.0013148 Jy ! Component: 200 - total flux cleaned = 0.00144124 Jy ! Total flux subtracted in 200 components = 0.00144124 Jy ! Clean residual min=-0.001118 max=0.001069 Jy/beam ! Clean residual mean=0.000000 rms=0.000258 Jy/beam ! Combined flux in latest and established models = 0.221547 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 150 components and 0.221547 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=0.054138Jy sigma=0.431715 ! Fit after self-cal, rms=0.054141Jy sigma=0.431702 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 = 0.000144506 Jy ! Component: 100 - total flux cleaned = 0.000210051 Jy ! Component: 150 - total flux cleaned = 0.000271917 Jy ! Component: 200 - total flux cleaned = 0.000286384 Jy ! Total flux subtracted in 200 components = 0.000286384 Jy ! Clean residual min=-0.001122 max=0.001074 Jy/beam ! Clean residual mean=0.000000 rms=0.000254 Jy/beam ! Combined flux in latest and established models = 0.221834 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 163 components and 0.221834 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=0.054133Jy sigma=0.431630 ! Fit after self-cal, rms=0.054132Jy sigma=0.431628 ! 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=0.054132Jy sigma=0.431628 ! Fit after self-cal, rms=0.054132Jy sigma=0.431618 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.208 mas, bmaj=3.51 mas, bpa=12.86 degrees ! Estimated noise=0.697739 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000711809 Jy ! Component: 100 - total flux cleaned = 0.000769272 Jy ! Component: 150 - total flux cleaned = 0.000820513 Jy ! Component: 200 - total flux cleaned = 0.000897938 Jy ! Total flux subtracted in 200 components = 0.000897938 Jy ! Clean residual min=-0.001235 max=0.001253 Jy/beam ! Clean residual mean=0.000000 rms=0.000316 Jy/beam ! Combined flux in latest and established models = 0.222732 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 180 components and 0.222732 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=0.054131Jy sigma=0.431590 ! Fit after self-cal, rms=0.054130Jy sigma=0.431577 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 = 0.000121165 Jy ! Component: 100 - total flux cleaned = 0.000119292 Jy ! Component: 150 - total flux cleaned = 0.000158184 Jy ! Component: 200 - total flux cleaned = 0.000193747 Jy ! Total flux subtracted in 200 components = 0.000193747 Jy ! Clean residual min=-0.001207 max=0.001220 Jy/beam ! Clean residual mean=0.000000 rms=0.000308 Jy/beam ! Combined flux in latest and established models = 0.222925 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 187 components and 0.222925 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=0.054132Jy sigma=0.431573 ! Fit after self-cal, rms=0.054131Jy sigma=0.431567 ! 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=0.8461 mas, bmaj=2.02 mas, bpa=2.611 degrees ! Estimated noise=0.551342 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8461 x 2.02 at 2.611 degrees (North through East) ! Clean map min=-0.0010212 max=0.13228 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=0.6644 mas, bmaj=1.724 mas, bpa=2.185 degrees ! Estimated noise=0.892399 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0949742 Jy ! Component: 100 - total flux cleaned = 0.129578 Jy ! Component: 150 - total flux cleaned = 0.150522 Jy ! Component: 200 - total flux cleaned = 0.1643 Jy ! Total flux subtracted in 200 components = 0.1643 Jy ! Clean residual min=-0.003813 max=0.007414 Jy/beam ! Clean residual mean=-0.000000 rms=0.001051 Jy/beam ! Combined flux in latest and established models = 0.1643 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 0.1643 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8461 mas, bmaj=2.02 mas, bpa=2.611 degrees ! Estimated noise=0.551342 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 = 0.0157134 Jy ! Component: 100 - total flux cleaned = 0.0257082 Jy ! Component: 150 - total flux cleaned = 0.0326621 Jy ! Component: 200 - total flux cleaned = 0.0377293 Jy ! Total flux subtracted in 200 components = 0.0377293 Jy ! Clean residual min=-0.002134 max=0.003733 Jy/beam ! Clean residual mean=0.000001 rms=0.000627 Jy/beam ! Combined flux in latest and established models = 0.202029 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 47 components and 0.202029 Jy ! Inverting map ! Added new window around map position (2, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00408403 Jy ! Component: 100 - total flux cleaned = 0.00719922 Jy ! Component: 150 - total flux cleaned = 0.00972879 Jy ! Component: 200 - total flux cleaned = 0.0118111 Jy ! Total flux subtracted in 200 components = 0.0118111 Jy ! Clean residual min=-0.001429 max=0.001544 Jy/beam ! Clean residual mean=0.000001 rms=0.000357 Jy/beam ! Combined flux in latest and established models = 0.21384 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 85 components and 0.21384 Jy ! Inverting map ! Added new window around map position (16.8, -16.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00179381 Jy ! Component: 100 - total flux cleaned = 0.00310663 Jy ! Component: 150 - total flux cleaned = 0.00412771 Jy ! Component: 200 - total flux cleaned = 0.00497018 Jy ! Total flux subtracted in 200 components = 0.00497018 Jy ! Clean residual min=-0.001160 max=0.001004 Jy/beam ! Clean residual mean=0.000000 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.21881 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 113 components and 0.21881 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=2.208 mas, bmaj=3.51 mas, bpa=12.86 degrees ! Estimated noise=0.697739 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00153919 Jy ! Component: 100 - total flux cleaned = 0.00262523 Jy ! Component: 150 - total flux cleaned = 0.00346588 Jy ! Component: 200 - total flux cleaned = 0.00413751 Jy ! Total flux subtracted in 200 components = 0.00413751 Jy ! Clean residual min=-0.001158 max=0.001118 Jy/beam ! Clean residual mean=0.000000 rms=0.000282 Jy/beam ! Combined flux in latest and established models = 0.222948 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 = 0.000522792 Jy ! Component: 100 - total flux cleaned = 0.000727985 Jy ! Component: 150 - total flux cleaned = 0.000930908 Jy ! Component: 200 - total flux cleaned = 0.00113099 Jy ! Total flux subtracted in 200 components = 0.00113099 Jy ! Clean residual min=-0.001071 max=0.001098 Jy/beam ! Clean residual mean=0.000000 rms=0.000268 Jy/beam ! Combined flux in latest and established models = 0.224079 Jy ! Adding 60 model components to the UV plane model. ! The established model now contains 162 components and 0.224079 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8461 mas, bmaj=2.02 mas, bpa=2.611 degrees ! Estimated noise=0.551342 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.724e-05 Jy ! Component: 100 - total flux cleaned = 4.14755e-05 Jy ! Component: 150 - total flux cleaned = -4.36583e-06 Jy ! Component: 200 - total flux cleaned = -6.72619e-05 Jy ! Total flux subtracted in 200 components = -6.72619e-05 Jy ! Clean residual min=-0.000960 max=0.000917 Jy/beam ! Clean residual mean=0.000000 rms=0.000227 Jy/beam ! Combined flux in latest and established models = 0.224012 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 186 components and 0.224012 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=0.054105Jy sigma=0.431401 ! Fit after self-cal, rms=0.054090Jy sigma=0.431311 wmodel J1920-0236_X_map.mod ! Writing 186 model components to file: J1920-0236_X_map.mod wobs J1920-0236_X_uvs.fits ! Writing UV FITS file: J1920-0236_X_uvs.fits wwins J1920-0236_X_map.win ! wwins: Wrote 8 windows to J1920-0236_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 = -0.000207207 Jy ! Component: 100 - total flux cleaned = -0.000390283 Jy ! Component: 150 - total flux cleaned = -0.000453681 Jy ! Component: 200 - total flux cleaned = -0.000453819 Jy ! Component: 250 - total flux cleaned = -0.000483425 Jy ! Component: 300 - total flux cleaned = -0.000555237 Jy ! Component: 350 - total flux cleaned = -0.00058301 Jy ! Component: 400 - total flux cleaned = -0.000624341 Jy ! Component: 450 - total flux cleaned = -0.000651396 Jy ! Component: 500 - total flux cleaned = -0.000677969 Jy ! Component: 550 - total flux cleaned = -0.000768625 Jy ! Component: 600 - total flux cleaned = -0.00081932 Jy ! Component: 650 - total flux cleaned = -0.000906955 Jy ! Component: 700 - total flux cleaned = -0.000992991 Jy ! Component: 750 - total flux cleaned = -0.00105358 Jy ! Component: 800 - total flux cleaned = -0.00112527 Jy ! Component: 850 - total flux cleaned = -0.00119611 Jy ! Component: 900 - total flux cleaned = -0.00124286 Jy ! Component: 950 - total flux cleaned = -0.00132378 Jy ! Component: 1000 - total flux cleaned = -0.00140353 Jy ! Component: 1050 - total flux cleaned = -0.00142611 Jy ! Component: 1100 - total flux cleaned = -0.00148209 Jy ! Component: 1150 - total flux cleaned = -0.00152625 Jy ! Component: 1200 - total flux cleaned = -0.00159195 Jy ! Component: 1250 - total flux cleaned = -0.00160258 Jy ! Component: 1300 - total flux cleaned = -0.00162407 Jy ! Component: 1350 - total flux cleaned = -0.00162402 Jy ! Component: 1400 - total flux cleaned = -0.00170832 Jy ! Component: 1450 - total flux cleaned = -0.00165591 Jy ! Component: 1500 - total flux cleaned = -0.00168713 Jy ! Component: 1550 - total flux cleaned = -0.00171794 Jy ! Component: 1600 - total flux cleaned = -0.00172812 Jy ! Component: 1650 - total flux cleaned = -0.00170798 Jy ! Component: 1700 - total flux cleaned = -0.0017181 Jy ! Component: 1750 - total flux cleaned = -0.00171821 Jy ! Component: 1800 - total flux cleaned = -0.00172821 Jy ! Component: 1850 - total flux cleaned = -0.00174784 Jy ! Component: 1900 - total flux cleaned = -0.0017479 Jy ! Component: 1950 - total flux cleaned = -0.00176709 Jy ! Component: 2000 - total flux cleaned = -0.00177671 Jy ! Component: 2050 - total flux cleaned = -0.00173874 Jy ! Component: 2100 - total flux cleaned = -0.00178585 Jy ! Component: 2150 - total flux cleaned = -0.00178585 Jy ! Component: 2200 - total flux cleaned = -0.00179518 Jy ! Component: 2250 - total flux cleaned = -0.00184119 Jy ! Component: 2300 - total flux cleaned = -0.00184121 Jy ! Component: 2350 - total flux cleaned = -0.00185935 Jy ! Component: 2400 - total flux cleaned = -0.00186845 Jy ! Component: 2450 - total flux cleaned = -0.0018775 Jy ! Component: 2500 - total flux cleaned = -0.00188643 Jy ! Component: 2550 - total flux cleaned = -0.00191284 Jy ! Component: 2600 - total flux cleaned = -0.00193043 Jy ! Component: 2650 - total flux cleaned = -0.00193921 Jy ! Component: 2700 - total flux cleaned = -0.00194791 Jy ! Component: 2750 - total flux cleaned = -0.00195656 Jy ! Component: 2800 - total flux cleaned = -0.00191386 Jy ! Component: 2850 - total flux cleaned = -0.00198179 Jy ! Component: 2900 - total flux cleaned = -0.0019649 Jy ! Component: 2950 - total flux cleaned = -0.00196487 Jy ! Component: 3000 - total flux cleaned = -0.00199828 Jy ! Component: 3050 - total flux cleaned = -0.0020231 Jy ! Component: 3100 - total flux cleaned = -0.00201489 Jy ! Component: 3150 - total flux cleaned = -0.0020149 Jy ! Component: 3200 - total flux cleaned = -0.00207199 Jy ! Component: 3250 - total flux cleaned = -0.00207189 Jy ! Component: 3300 - total flux cleaned = -0.00208791 Jy ! Component: 3350 - total flux cleaned = -0.00207182 Jy ! Component: 3400 - total flux cleaned = -0.00209575 Jy ! Component: 3450 - total flux cleaned = -0.00207995 Jy ! Component: 3500 - total flux cleaned = -0.00211939 Jy ! Component: 3550 - total flux cleaned = -0.00211157 Jy ! Component: 3600 - total flux cleaned = -0.00213493 Jy ! Component: 3650 - total flux cleaned = -0.00214269 Jy ! Component: 3700 - total flux cleaned = -0.00216581 Jy ! Component: 3750 - total flux cleaned = -0.00215816 Jy ! Component: 3800 - total flux cleaned = -0.00218108 Jy ! Component: 3850 - total flux cleaned = -0.00221139 Jy ! Component: 3900 - total flux cleaned = -0.00219632 Jy ! Component: 3950 - total flux cleaned = -0.00222636 Jy ! Component: 4000 - total flux cleaned = -0.00224878 Jy ! Component: 4050 - total flux cleaned = -0.00227853 Jy ! Total flux subtracted in 4096 components = -0.00230804 Jy ! Clean residual min=-0.000504 max=0.000506 Jy/beam ! Clean residual mean=-0.000000 rms=0.000126 Jy/beam ! Combined flux in latest and established models = 0.221704 Jy keep ! Adding 292 model components to the UV plane model. ! The established model now contains 478 components and 0.221704 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1920-0236_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8461 x 2.02 at 2.611 degrees (North through East) ! Clean map min=-0.00071016 max=0.13149 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1920-0236_X_map.fits wmodel /image_prod/ug002_uva//J1920-0236_X_map.mod ! Writing 478 model components to file: /image_prod/ug002_uva//J1920-0236_X_map.mod wobs /image_prod/ug002_uva//J1920-0236_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1920-0236_X_uvs.fits wwins /image_prod/ug002_uva//J1920-0236_X_map.win ! wwins: Wrote 9 windows to /image_prod/ug002_uva//J1920-0236_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.131493 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.0001247 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.284502 0.284502 0.569004 1.13801 2.27602 4.55203 9.10407 18.2081 36.4163 72.8325 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.131 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1054.47 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1920-0236_X_dfm.log closed on Thu Mar 5 04:07:53 2020