! Started logfile: /image_prod/ug002_uva//J1751+2920_X_dfm.log on Thu Mar 5 03:29:29 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//J1751+2920_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1751+2920_X_uva.fits ! AN table 1: 60 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.971759 visibilities/baseline/integration-bin. ! Found source: J1751+2920 ! ! 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 25188 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 J1751+2920_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 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.015725Jy sigma=9.220643 ! Fit after self-cal, rms=0.839101Jy sigma=7.591403 ! 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=0.69 mas, bmaj=1.405 mas, bpa=-4.85 degrees ! Estimated noise=1.04081 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 = 0.11822 Jy ! Component: 100 - total flux cleaned = 0.154308 Jy ! Total flux subtracted in 100 components = 0.154308 Jy ! Clean residual min=-0.008093 max=0.019400 Jy/beam ! Clean residual mean=0.000002 rms=0.001785 Jy/beam ! Combined flux in latest and established models = 0.154308 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.154308 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=0.069588Jy sigma=0.598521 ! Fit after self-cal, rms=0.069044Jy sigma=0.594997 ! Inverting map ! Added new window around map position (0.8, -0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0220482 Jy ! Component: 100 - total flux cleaned = 0.0339166 Jy ! Total flux subtracted in 100 components = 0.0339166 Jy ! Clean residual min=-0.006131 max=0.008411 Jy/beam ! Clean residual mean=-0.000002 rms=0.001125 Jy/beam ! Combined flux in latest and established models = 0.188225 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 14 components and 0.188225 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=0.059370Jy sigma=0.501529 ! Fit after self-cal, rms=0.058898Jy sigma=0.497928 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00904044 Jy ! Component: 100 - total flux cleaned = 0.0144351 Jy ! Total flux subtracted in 100 components = 0.0144351 Jy ! Clean residual min=-0.005207 max=0.005170 Jy/beam ! Clean residual mean=-0.000004 rms=0.000932 Jy/beam ! Combined flux in latest and established models = 0.20266 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 22 components and 0.20266 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=0.056775Jy sigma=0.478785 ! Fit after self-cal, rms=0.056610Jy sigma=0.477616 ! 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=0.8773 mas, bmaj=1.724 mas, bpa=-3.923 degrees ! Estimated noise=0.500128 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 = 0.00631484 Jy ! Component: 100 - total flux cleaned = 0.00965007 Jy ! Component: 150 - total flux cleaned = 0.0116762 Jy ! Component: 200 - total flux cleaned = 0.0125887 Jy ! Total flux subtracted in 200 components = 0.0125887 Jy ! Clean residual min=-0.004201 max=0.003929 Jy/beam ! Clean residual mean=-0.000011 rms=0.000925 Jy/beam ! Combined flux in latest and established models = 0.215249 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 33 components and 0.215249 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=0.055795Jy sigma=0.472074 ! Fit after self-cal, rms=0.055707Jy sigma=0.471438 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8773 x 1.724 at -3.923 degrees (North through East) ! Clean map min=-0.0037377 max=0.15559 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.07 HN 0.97 KP 1.08 ! LA 1.05 MK 1.04 OV 0.94 PT 0.89 ! SC 1.04 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.04 HN 0.96 KP 1.08 ! LA 1.07 MK 1.03 OV 0.94 PT 0.91 ! SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.04 HN 0.96 KP 1.07 ! LA 1.06 MK 1.05 OV 0.93 PT 0.91 ! SC 1.02 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.04 HN 0.95 KP 1.08 ! LA 1.04 MK 1.00 OV 0.93 PT 0.89 ! SC 1.06 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.05 HN 0.95 KP 1.05 ! LA 1.03 MK 1.04 OV 0.95 PT 0.87 ! SC 1.01 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.05 HN 0.97 KP 1.08 ! LA 1.04 MK 1.03 OV 0.93 PT 0.88 ! SC 1.02 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.05 HN 0.95 KP 1.07 ! LA 1.04 MK 1.06 OV 0.91 PT 0.89 ! SC 1.02 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.06 HN 0.96 KP 1.06 ! LA 1.05 MK 1.03 OV 0.93 PT 0.89 ! SC 1.01 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.03 HN 0.96 KP 1.08 ! LA 1.04 MK 1.01 OV 0.95 PT 0.89 ! SC 1.01 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.06 HN 0.98 KP 1.03 ! LA 1.05 MK 1.06 OV 0.95 PT 0.87 ! SC 1.03 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.05 HN 0.97 KP 1.07 ! LA 1.06 MK 1.03 OV 0.92 PT 0.90 ! SC 1.02 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.05 HN 0.99 KP 1.05 ! LA 1.04 MK 1.06 OV 0.93 PT 0.89 ! SC 0.98 ! ! ! Fit before self-cal, rms=0.055707Jy sigma=0.471438 ! Fit after self-cal, rms=0.053352Jy sigma=0.453526 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.884 mas, bmaj=1.732 mas, bpa=-3.999 degrees ! Estimated noise=0.501491 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 = -0.000869574 Jy ! Component: 100 - total flux cleaned = -0.000530479 Jy ! Component: 150 - total flux cleaned = -0.000429249 Jy ! Component: 200 - total flux cleaned = -0.000372618 Jy ! Total flux subtracted in 200 components = -0.000372618 Jy ! Clean residual min=-0.001993 max=0.001877 Jy/beam ! Clean residual mean=-0.000002 rms=0.000408 Jy/beam ! Combined flux in latest and established models = 0.214876 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 43 components and 0.214876 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=0.053270Jy sigma=0.452749 ! Fit after self-cal, rms=0.053223Jy sigma=0.452421 ! 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=0.053223Jy sigma=0.452421 ! Fit after self-cal, rms=0.053041Jy sigma=0.449164 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8838 mas, bmaj=1.73 mas, bpa=-4.089 degrees ! Estimated noise=0.501628 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000394706 Jy ! Component: 100 - total flux cleaned = -0.000223013 Jy ! Component: 150 - total flux cleaned = -0.000199089 Jy ! Component: 200 - total flux cleaned = -0.000220463 Jy ! Total flux subtracted in 200 components = -0.000220463 Jy ! Clean residual min=-0.001281 max=0.001255 Jy/beam ! Clean residual mean=0.000000 rms=0.000271 Jy/beam ! Combined flux in latest and established models = 0.214655 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 48 components and 0.214655 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=0.052992Jy sigma=0.448703 ! Fit after self-cal, rms=0.052962Jy sigma=0.448531 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 (3.8, -3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000765128 Jy ! Component: 100 - total flux cleaned = 0.0012316 Jy ! Component: 150 - total flux cleaned = 0.00150339 Jy ! Component: 200 - total flux cleaned = 0.00156276 Jy ! Total flux subtracted in 200 components = 0.00156276 Jy ! Clean residual min=-0.001070 max=0.001030 Jy/beam ! Clean residual mean=-0.000000 rms=0.000245 Jy/beam ! Combined flux in latest and established models = 0.216218 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 61 components and 0.216218 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=0.052905Jy sigma=0.448011 ! Fit after self-cal, rms=0.052890Jy sigma=0.447950 ! 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=0.052890Jy sigma=0.447950 ! Fit after self-cal, rms=0.053001Jy sigma=0.447909 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8849 mas, bmaj=1.731 mas, bpa=-4.131 degrees ! Estimated noise=0.502074 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.71458e-05 Jy ! Component: 100 - total flux cleaned = 0.000383087 Jy ! Component: 150 - total flux cleaned = 0.000406915 Jy ! Component: 200 - total flux cleaned = 0.000407988 Jy ! Total flux subtracted in 200 components = 0.000407988 Jy ! Clean residual min=-0.000950 max=0.000979 Jy/beam ! Clean residual mean=-0.000000 rms=0.000231 Jy/beam ! Combined flux in latest and established models = 0.216626 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 65 components and 0.216626 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=0.052973Jy sigma=0.447649 ! Fit after self-cal, rms=0.052962Jy sigma=0.447603 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 = 3.55097e-07 Jy ! Component: 100 - total flux cleaned = 0.000125713 Jy ! Component: 150 - total flux cleaned = 0.000125966 Jy ! Component: 200 - total flux cleaned = 0.000142444 Jy ! Total flux subtracted in 200 components = 0.000142444 Jy ! Clean residual min=-0.000903 max=0.000963 Jy/beam ! Clean residual mean=-0.000000 rms=0.000224 Jy/beam ! Combined flux in latest and established models = 0.216769 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 67 components and 0.216769 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=0.052946Jy sigma=0.447456 ! Fit after self-cal, rms=0.052937Jy sigma=0.447421 ! 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=0.052937Jy sigma=0.447421 ! Fit after self-cal, rms=0.053005Jy sigma=0.447410 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.235 mas, bmaj=2.818 mas, bpa=10.75 degrees ! Estimated noise=0.640559 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.02605e-05 Jy ! Component: 100 - total flux cleaned = 0.000180827 Jy ! Component: 150 - total flux cleaned = 0.000257602 Jy ! Component: 200 - total flux cleaned = 0.000264835 Jy ! Total flux subtracted in 200 components = 0.000264835 Jy ! Clean residual min=-0.000881 max=0.000943 Jy/beam ! Clean residual mean=-0.000001 rms=0.000241 Jy/beam ! Combined flux in latest and established models = 0.217033 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 79 components and 0.217033 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=0.052999Jy sigma=0.447347 ! Fit after self-cal, rms=0.052993Jy sigma=0.447320 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 = -2.21486e-05 Jy ! Component: 100 - total flux cleaned = -6.69064e-06 Jy ! Component: 150 - total flux cleaned = 1.35132e-05 Jy ! Component: 200 - total flux cleaned = 1.36396e-05 Jy ! Total flux subtracted in 200 components = 1.36396e-05 Jy ! Clean residual min=-0.000882 max=0.000936 Jy/beam ! Clean residual mean=-0.000001 rms=0.000239 Jy/beam ! Combined flux in latest and established models = 0.217047 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 85 components and 0.217047 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=0.052989Jy sigma=0.447274 ! Fit after self-cal, rms=0.052983Jy sigma=0.447251 ! 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=0.8857 mas, bmaj=1.731 mas, bpa=-4.167 degrees ! Estimated noise=0.502402 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8857 x 1.731 at -4.167 degrees (North through East) ! Clean map min=-0.00080328 max=0.15562 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=0.6948 mas, bmaj=1.407 mas, bpa=-5.127 degrees ! Estimated noise=1.05309 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.119699 Jy ! Component: 100 - total flux cleaned = 0.162177 Jy ! Component: 150 - total flux cleaned = 0.18257 Jy ! Component: 200 - total flux cleaned = 0.192906 Jy ! Total flux subtracted in 200 components = 0.192906 Jy ! Clean residual min=-0.002838 max=0.005097 Jy/beam ! Clean residual mean=0.000002 rms=0.000669 Jy/beam ! Combined flux in latest and established models = 0.192906 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 10 model components to the UV plane model. ! The established model now contains 10 components and 0.192906 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8857 mas, bmaj=1.731 mas, bpa=-4.167 degrees ! Estimated noise=0.502402 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 = 0.00910194 Jy ! Component: 100 - total flux cleaned = 0.0138665 Jy ! Component: 150 - total flux cleaned = 0.0166964 Jy ! Component: 200 - total flux cleaned = 0.0185642 Jy ! Total flux subtracted in 200 components = 0.0185642 Jy ! Clean residual min=-0.001149 max=0.001373 Jy/beam ! Clean residual mean=0.000000 rms=0.000267 Jy/beam ! Combined flux in latest and established models = 0.21147 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 39 components and 0.21147 Jy ! Inverting map ! Added new window around map position (3.8, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00152569 Jy ! Component: 100 - total flux cleaned = 0.00271458 Jy ! Component: 150 - total flux cleaned = 0.00338579 Jy ! Component: 200 - total flux cleaned = 0.00375893 Jy ! Total flux subtracted in 200 components = 0.00375893 Jy ! Clean residual min=-0.000986 max=0.000953 Jy/beam ! Clean residual mean=-0.000000 rms=0.000226 Jy/beam ! Combined flux in latest and established models = 0.215229 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 55 components and 0.215229 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=2.235 mas, bmaj=2.818 mas, bpa=10.75 degrees ! Estimated noise=0.640559 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000825945 Jy ! Component: 100 - total flux cleaned = 0.00120433 Jy ! Component: 150 - total flux cleaned = 0.00131843 Jy ! Component: 200 - total flux cleaned = 0.00141474 Jy ! Total flux subtracted in 200 components = 0.00141474 Jy ! Clean residual min=-0.000880 max=0.000877 Jy/beam ! Clean residual mean=-0.000001 rms=0.000236 Jy/beam ! Combined flux in latest and established models = 0.216644 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 = 8.43659e-05 Jy ! Component: 100 - total flux cleaned = 0.000150953 Jy ! Component: 150 - total flux cleaned = 0.000185987 Jy ! Component: 200 - total flux cleaned = 0.000218409 Jy ! Total flux subtracted in 200 components = 0.000218409 Jy ! Clean residual min=-0.000859 max=0.000899 Jy/beam ! Clean residual mean=-0.000001 rms=0.000234 Jy/beam ! Combined flux in latest and established models = 0.216862 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 80 components and 0.216862 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8857 mas, bmaj=1.731 mas, bpa=-4.167 degrees ! Estimated noise=0.502402 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000272341 Jy ! Component: 100 - total flux cleaned = -0.000247567 Jy ! Component: 150 - total flux cleaned = -0.000247757 Jy ! Component: 200 - total flux cleaned = -0.000248962 Jy ! Total flux subtracted in 200 components = -0.000248962 Jy ! Clean residual min=-0.000865 max=0.000906 Jy/beam ! Clean residual mean=-0.000000 rms=0.000213 Jy/beam ! Combined flux in latest and established models = 0.216613 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 95 components and 0.216613 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=0.052986Jy sigma=0.447259 ! Fit after self-cal, rms=0.052971Jy sigma=0.447174 wmodel J1751+2920_X_map.mod ! Writing 95 model components to file: J1751+2920_X_map.mod wobs J1751+2920_X_uvs.fits ! Writing UV FITS file: J1751+2920_X_uvs.fits wwins J1751+2920_X_map.win ! wwins: Wrote 4 windows to J1751+2920_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 = 4.53003e-05 Jy ! Component: 100 - total flux cleaned = 6.00675e-05 Jy ! Component: 150 - total flux cleaned = 9.02516e-05 Jy ! Component: 200 - total flux cleaned = 9.07331e-05 Jy ! Component: 250 - total flux cleaned = 0.000133401 Jy ! Component: 300 - total flux cleaned = 7.7775e-05 Jy ! Component: 350 - total flux cleaned = 7.75002e-05 Jy ! Component: 400 - total flux cleaned = 6.40435e-05 Jy ! Component: 450 - total flux cleaned = 1.1708e-05 Jy ! Component: 500 - total flux cleaned = 3.76222e-05 Jy ! Component: 550 - total flux cleaned = -1.33178e-05 Jy ! Component: 600 - total flux cleaned = -3.82566e-05 Jy ! Component: 650 - total flux cleaned = -3.85283e-05 Jy ! Component: 700 - total flux cleaned = -7.50794e-05 Jy ! Component: 750 - total flux cleaned = -9.90155e-05 Jy ! Component: 800 - total flux cleaned = -0.000110816 Jy ! Component: 850 - total flux cleaned = -0.00014549 Jy ! Component: 900 - total flux cleaned = -0.000110625 Jy ! Component: 950 - total flux cleaned = -0.000122039 Jy ! Component: 1000 - total flux cleaned = -0.000122189 Jy ! Component: 1050 - total flux cleaned = -0.000144463 Jy ! Component: 1100 - total flux cleaned = -0.000210717 Jy ! Component: 1150 - total flux cleaned = -0.000243345 Jy ! Component: 1200 - total flux cleaned = -0.000307957 Jy ! Component: 1250 - total flux cleaned = -0.000329368 Jy ! Component: 1300 - total flux cleaned = -0.00038231 Jy ! Component: 1350 - total flux cleaned = -0.000445395 Jy ! Component: 1400 - total flux cleaned = -0.000455838 Jy ! Component: 1450 - total flux cleaned = -0.000507434 Jy ! Component: 1500 - total flux cleaned = -0.000558438 Jy ! Component: 1550 - total flux cleaned = -0.000588867 Jy ! Component: 1600 - total flux cleaned = -0.000588855 Jy ! Component: 1650 - total flux cleaned = -0.000648702 Jy ! Component: 1700 - total flux cleaned = -0.00068826 Jy ! Component: 1750 - total flux cleaned = -0.000688188 Jy ! Component: 1800 - total flux cleaned = -0.000717454 Jy ! Component: 1850 - total flux cleaned = -0.000765845 Jy ! Component: 1900 - total flux cleaned = -0.000765856 Jy ! Component: 1950 - total flux cleaned = -0.00085173 Jy ! Component: 2000 - total flux cleaned = -0.000832719 Jy ! Component: 2050 - total flux cleaned = -0.000870357 Jy ! Component: 2100 - total flux cleaned = -0.000935676 Jy ! Component: 2150 - total flux cleaned = -0.000935585 Jy ! Component: 2200 - total flux cleaned = -0.000981585 Jy ! Component: 2250 - total flux cleaned = -0.00102721 Jy ! Component: 2300 - total flux cleaned = -0.00108166 Jy ! Component: 2350 - total flux cleaned = -0.00109068 Jy ! Component: 2400 - total flux cleaned = -0.00116235 Jy ! Component: 2450 - total flux cleaned = -0.00118012 Jy ! Component: 2500 - total flux cleaned = -0.00124196 Jy ! Component: 2550 - total flux cleaned = -0.0012507 Jy ! Component: 2600 - total flux cleaned = -0.00128568 Jy ! Component: 2650 - total flux cleaned = -0.00138957 Jy ! Component: 2700 - total flux cleaned = -0.00138958 Jy ! Component: 2750 - total flux cleaned = -0.00145797 Jy ! Component: 2800 - total flux cleaned = -0.00149194 Jy ! Component: 2850 - total flux cleaned = -0.00154248 Jy ! Component: 2900 - total flux cleaned = -0.00161807 Jy ! Component: 2950 - total flux cleaned = -0.00163468 Jy ! Component: 3000 - total flux cleaned = -0.00166785 Jy ! Component: 3050 - total flux cleaned = -0.00170085 Jy ! Component: 3100 - total flux cleaned = -0.00176646 Jy ! Component: 3150 - total flux cleaned = -0.00180712 Jy ! Component: 3200 - total flux cleaned = -0.00186378 Jy ! Component: 3250 - total flux cleaned = -0.00186375 Jy ! Component: 3300 - total flux cleaned = -0.00190372 Jy ! Component: 3350 - total flux cleaned = -0.00195929 Jy ! Component: 3400 - total flux cleaned = -0.00197502 Jy ! Component: 3450 - total flux cleaned = -0.00197508 Jy ! Component: 3500 - total flux cleaned = -0.00202977 Jy ! Component: 3550 - total flux cleaned = -0.00204527 Jy ! Component: 3600 - total flux cleaned = -0.00206068 Jy ! Component: 3650 - total flux cleaned = -0.00209141 Jy ! Component: 3700 - total flux cleaned = -0.00211437 Jy ! Component: 3750 - total flux cleaned = -0.00212953 Jy ! Component: 3800 - total flux cleaned = -0.00213705 Jy ! Component: 3850 - total flux cleaned = -0.00213705 Jy ! Component: 3900 - total flux cleaned = -0.00215204 Jy ! Component: 3950 - total flux cleaned = -0.00218184 Jy ! Component: 4000 - total flux cleaned = -0.00218918 Jy ! Component: 4050 - total flux cleaned = -0.00223341 Jy ! Total flux subtracted in 4096 components = -0.00226271 Jy ! Clean residual min=-0.000390 max=0.000468 Jy/beam ! Clean residual mean=-0.000000 rms=0.000124 Jy/beam ! Combined flux in latest and established models = 0.214351 Jy keep ! Adding 302 model components to the UV plane model. ! The established model now contains 397 components and 0.214351 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1751+2920_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8857 x 1.731 at -4.167 degrees (North through East) ! Clean map min=-0.00069313 max=0.15544 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1751+2920_X_map.fits wmodel /image_prod/ug002_uva//J1751+2920_X_map.mod ! Writing 397 model components to file: /image_prod/ug002_uva//J1751+2920_X_map.mod wobs /image_prod/ug002_uva//J1751+2920_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1751+2920_X_uvs.fits wwins /image_prod/ug002_uva//J1751+2920_X_map.win ! wwins: Wrote 5 windows to /image_prod/ug002_uva//J1751+2920_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.155439 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000124044 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.239406 0.239406 0.478812 0.957624 1.91525 3.8305 7.66099 15.322 30.644 61.2879 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.155 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1253.1 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1751+2920_X_dfm.log closed on Thu Mar 5 03:29:33 2020