! Started logfile: /vlbi/sb072/temp_maps//J1753+2848_X_dfm.log on Tue Mar 5 23:26:04 2019 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 7.39200 obs /vlbi/sb072/temp_maps//J1753+2848_X_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1753+2848_X_uva.fits ! AN table 1: 4 integrations on 21 of 21 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1753+2848 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 7.392e+09 3.2e+07 1 3.2e+07 ! 02 2 7.424e+09 3.2e+07 1 3.2e+07 ! 03 3 7.456e+09 3.2e+07 1 3.2e+07 ! 04 4 7.552e+09 3.2e+07 1 3.2e+07 ! 05 5 7.744e+09 3.2e+07 1 3.2e+07 ! 06 6 7.776e+09 3.2e+07 1 3.2e+07 ! 07 7 7.808e+09 3.2e+07 1 3.2e+07 ! 08 8 7.84e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 85 lines of history. ! ! Reading 672 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 8 channels. ! Selecting polarization: RR, channels: 1..8 ! 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 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 J1753+2848_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. ! ! Fit before self-cal, rms=1.315802Jy sigma=51.418079 ! Fit after self-cal, rms=0.230901Jy sigma=8.680202 ! 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=2.667 mas, bmaj=3.889 mas, bpa=-66.43 degrees ! Estimated noise=1.06875 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 = 0.611569 Jy ! Component: 100 - total flux cleaned = 0.745844 Jy ! Total flux subtracted in 100 components = 0.745844 Jy ! Clean residual min=-0.036851 max=0.048528 Jy/beam ! Clean residual mean=0.000513 rms=0.013283 Jy/beam ! Combined flux in latest and established models = 0.745844 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.745844 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. ! ! Fit before self-cal, rms=0.105612Jy sigma=4.228298 ! Fit after self-cal, rms=0.105594Jy sigma=4.227349 ! 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=2.801 mas, bmaj=4.018 mas, bpa=-63.74 degrees ! Estimated noise=0.719015 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 = 0.0567833 Jy ! Component: 100 - total flux cleaned = 0.0901732 Jy ! Component: 150 - total flux cleaned = 0.112721 Jy ! Component: 200 - total flux cleaned = 0.128467 Jy ! Total flux subtracted in 200 components = 0.128467 Jy ! Clean residual min=-0.035706 max=0.033481 Jy/beam ! Clean residual mean=0.000260 rms=0.008672 Jy/beam ! Combined flux in latest and established models = 0.874311 Jy ! Performing phase self-cal ! Adding 55 model components to the UV plane model. ! The established model now contains 61 components and 0.874311 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. ! ! Fit before self-cal, rms=0.070182Jy sigma=2.609151 ! Fit after self-cal, rms=0.070106Jy sigma=2.607292 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.801 x 4.018 at -63.74 degrees (North through East) ! Clean map min=-0.035208 max=0.79281 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.03 KP 1.00 LA 1.04 ! NL 1.00 OV 1.10 PT 0.90 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.04 KP 0.99 LA 1.03 ! NL 0.99 OV 1.11 PT 0.89 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.03 KP 1.00 LA 1.03 ! NL 1.01 OV 1.11 PT 0.89 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.03 KP 0.99 LA 1.02 ! NL 1.01 OV 1.12 PT 0.89 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 KP 0.99 LA 1.02 ! NL 1.00 OV 1.10 PT 0.88 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.03 KP 0.99 LA 1.01 ! NL 1.00 OV 1.10 PT 0.88 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.02 KP 0.99 LA 1.01 ! NL 1.01 OV 1.11 PT 0.87 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.01 KP 0.99 LA 1.01 ! NL 1.00 OV 1.10 PT 0.87 ! ! ! Fit before self-cal, rms=0.070106Jy sigma=2.607292 ! Fit after self-cal, rms=0.026961Jy sigma=0.995186 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.794 mas, bmaj=4.056 mas, bpa=-63.44 degrees ! Estimated noise=0.711809 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 = 0.00403856 Jy ! Component: 100 - total flux cleaned = 0.00318802 Jy ! Component: 150 - total flux cleaned = 0.00250948 Jy ! Component: 200 - total flux cleaned = 0.00208696 Jy ! Total flux subtracted in 200 components = 0.00208696 Jy ! Clean residual min=-0.007163 max=0.005618 Jy/beam ! Clean residual mean=0.000021 rms=0.001781 Jy/beam ! Combined flux in latest and established models = 0.876398 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 81 components and 0.876398 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. ! ! Fit before self-cal, rms=0.023703Jy sigma=0.859501 ! Fit after self-cal, rms=0.023686Jy sigma=0.858437 ! 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. ! ! Fit before self-cal, rms=0.023686Jy sigma=0.858437 ! Fit after self-cal, rms=0.023438Jy sigma=0.850527 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.791 mas, bmaj=4.054 mas, bpa=-63.43 degrees ! Estimated noise=0.711263 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000933864 Jy ! Component: 100 - total flux cleaned = 0.000203013 Jy ! Component: 150 - total flux cleaned = -0.000551657 Jy ! Component: 200 - total flux cleaned = -0.00112728 Jy ! Total flux subtracted in 200 components = -0.00112728 Jy ! Clean residual min=-0.006092 max=0.004751 Jy/beam ! Clean residual mean=0.000017 rms=0.001515 Jy/beam ! Combined flux in latest and established models = 0.875271 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 85 components and 0.875271 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. ! ! Fit before self-cal, rms=0.022403Jy sigma=0.807413 ! Fit after self-cal, rms=0.022393Jy sigma=0.807202 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 = -0.000596584 Jy ! Component: 100 - total flux cleaned = -0.00105831 Jy ! Component: 150 - total flux cleaned = -0.00147452 Jy ! Component: 200 - total flux cleaned = -0.0018516 Jy ! Total flux subtracted in 200 components = -0.0018516 Jy ! Clean residual min=-0.005730 max=0.004321 Jy/beam ! Clean residual mean=0.000018 rms=0.001439 Jy/beam ! Combined flux in latest and established models = 0.873419 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 88 components and 0.873419 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. ! ! Fit before self-cal, rms=0.021978Jy sigma=0.789422 ! Fit after self-cal, rms=0.021972Jy sigma=0.789337 ! 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. ! ! Fit before self-cal, rms=0.021972Jy sigma=0.789337 ! Fit after self-cal, rms=0.021855Jy sigma=0.782809 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.789 mas, bmaj=4.057 mas, bpa=-63.44 degrees ! Estimated noise=0.711538 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000530195 Jy ! Component: 100 - total flux cleaned = -0.000968725 Jy ! Component: 150 - total flux cleaned = -0.00135645 Jy ! Component: 200 - total flux cleaned = -0.00164506 Jy ! Total flux subtracted in 200 components = -0.00164506 Jy ! Clean residual min=-0.004914 max=0.003905 Jy/beam ! Clean residual mean=0.000013 rms=0.001280 Jy/beam ! Combined flux in latest and established models = 0.871774 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 92 components and 0.871774 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. ! ! Fit before self-cal, rms=0.021444Jy sigma=0.767261 ! Fit after self-cal, rms=0.021440Jy sigma=0.767214 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 = -0.000261437 Jy ! Component: 100 - total flux cleaned = -0.000551367 Jy ! Component: 150 - total flux cleaned = -0.000771677 Jy ! Component: 200 - total flux cleaned = -0.000974779 Jy ! Total flux subtracted in 200 components = -0.000974779 Jy ! Clean residual min=-0.004681 max=0.003715 Jy/beam ! Clean residual mean=0.000013 rms=0.001249 Jy/beam ! Combined flux in latest and established models = 0.870799 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 99 components and 0.870799 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. ! ! Fit before self-cal, rms=0.021272Jy sigma=0.760013 ! Fit after self-cal, rms=0.021268Jy sigma=0.759980 ! 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. ! ! Fit before self-cal, rms=0.021268Jy sigma=0.759980 ! Fit after self-cal, rms=0.021267Jy sigma=0.756617 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.124 mas, bmaj=4.254 mas, bpa=-60.38 degrees ! Estimated noise=0.724551 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000833495 Jy ! Component: 100 - total flux cleaned = -0.000996993 Jy ! Component: 150 - total flux cleaned = -0.00106827 Jy ! Component: 200 - total flux cleaned = -0.00116147 Jy ! Total flux subtracted in 200 components = -0.00116147 Jy ! Clean residual min=-0.004563 max=0.003584 Jy/beam ! Clean residual mean=0.000011 rms=0.001167 Jy/beam ! Combined flux in latest and established models = 0.869638 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 108 components and 0.869638 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. ! ! Fit before self-cal, rms=0.021121Jy sigma=0.751187 ! Fit after self-cal, rms=0.021118Jy sigma=0.751139 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 = -0.000137363 Jy ! Component: 100 - total flux cleaned = -0.000213284 Jy ! Component: 150 - total flux cleaned = -0.000236745 Jy ! Component: 200 - total flux cleaned = -0.000282546 Jy ! Total flux subtracted in 200 components = -0.000282546 Jy ! Clean residual min=-0.004524 max=0.003556 Jy/beam ! Clean residual mean=0.000011 rms=0.001159 Jy/beam ! Combined flux in latest and established models = 0.869355 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 112 components and 0.869355 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. ! ! Fit before self-cal, rms=0.021042Jy sigma=0.748198 ! Fit after self-cal, rms=0.021039Jy sigma=0.748153 ! 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=2.787 mas, bmaj=4.061 mas, bpa=-63.47 degrees ! Estimated noise=0.711831 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.787 x 4.061 at -63.47 degrees (North through East) ! Clean map min=-0.0044198 max=0.78598 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 ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.021039Jy sigma=0.748153 ! Fit after self-cal, rms=0.019769Jy sigma=0.695703 ! Inverting map and beam ! Estimated beam: bmin=2.788 mas, bmaj=4.063 mas, bpa=-63.47 degrees ! Estimated noise=0.712235 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000891446 Jy ! Component: 100 - total flux cleaned = -0.00105415 Jy ! Component: 150 - total flux cleaned = -0.0011267 Jy ! Component: 200 - total flux cleaned = -0.0011948 Jy ! Total flux subtracted in 200 components = -0.0011948 Jy ! Clean residual min=-0.004409 max=0.003505 Jy/beam ! Clean residual mean=0.000007 rms=0.001111 Jy/beam ! Combined flux in latest and established models = 0.86816 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 123 components and 0.86816 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. ! ! Fit before self-cal, rms=0.019590Jy sigma=0.689471 ! Fit after self-cal, rms=0.019588Jy sigma=0.689439 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.94149e-05 Jy ! Component: 100 - total flux cleaned = -0.000161154 Jy ! Component: 150 - total flux cleaned = -0.000220007 Jy ! Component: 200 - total flux cleaned = -0.000277703 Jy ! Total flux subtracted in 200 components = -0.000277703 Jy ! Clean residual min=-0.004394 max=0.003445 Jy/beam ! Clean residual mean=0.000007 rms=0.001096 Jy/beam ! Combined flux in latest and established models = 0.867883 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 131 components and 0.867883 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. ! ! Fit before self-cal, rms=0.019508Jy sigma=0.686125 ! Fit after self-cal, rms=0.019506Jy sigma=0.686100 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.019506Jy sigma=0.686100 ! Fit after self-cal, rms=0.019533Jy sigma=0.684729 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=2.646 mas, bmaj=3.939 mas, bpa=-66.26 degrees ! Estimated noise=1.06873 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.611531 Jy ! Component: 100 - total flux cleaned = 0.746837 Jy ! Component: 150 - total flux cleaned = 0.796484 Jy ! Component: 200 - total flux cleaned = 0.822109 Jy ! Total flux subtracted in 200 components = 0.822109 Jy ! Clean residual min=-0.009974 max=0.014801 Jy/beam ! Clean residual mean=0.000118 rms=0.003842 Jy/beam ! Combined flux in latest and established models = 0.822109 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 36 model components to the UV plane model. ! The established model now contains 36 components and 0.822109 Jy ! Inverting map and beam ! Estimated beam: bmin=2.787 mas, bmaj=4.066 mas, bpa=-63.51 degrees ! Estimated noise=0.712458 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 = 0.0171826 Jy ! Component: 100 - total flux cleaned = 0.0277918 Jy ! Component: 150 - total flux cleaned = 0.0346023 Jy ! Component: 200 - total flux cleaned = 0.0390392 Jy ! Total flux subtracted in 200 components = 0.0390392 Jy ! Clean residual min=-0.004776 max=0.004010 Jy/beam ! Clean residual mean=0.000024 rms=0.001271 Jy/beam ! Combined flux in latest and established models = 0.861148 Jy ! Adding 54 model components to the UV plane model. ! The established model now contains 88 components and 0.861148 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=3.124 mas, bmaj=4.259 mas, bpa=-60.44 degrees ! Estimated noise=0.725082 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00299593 Jy ! Component: 100 - total flux cleaned = 0.00480223 Jy ! Component: 150 - total flux cleaned = 0.00530351 Jy ! Component: 200 - total flux cleaned = 0.00565988 Jy ! Total flux subtracted in 200 components = 0.00565988 Jy ! Clean residual min=-0.004268 max=0.003350 Jy/beam ! Clean residual mean=0.000010 rms=0.001067 Jy/beam ! Combined flux in latest and established models = 0.866808 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 = 0.000134618 Jy ! Component: 100 - total flux cleaned = 0.00013511 Jy ! Component: 150 - total flux cleaned = 0.000135431 Jy ! Component: 200 - total flux cleaned = 0.000135923 Jy ! Total flux subtracted in 200 components = 0.000135923 Jy ! Clean residual min=-0.004247 max=0.003282 Jy/beam ! Clean residual mean=0.000009 rms=0.001053 Jy/beam ! Combined flux in latest and established models = 0.866944 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 107 components and 0.866944 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.787 mas, bmaj=4.066 mas, bpa=-63.51 degrees ! Estimated noise=0.712458 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000344495 Jy ! Component: 100 - total flux cleaned = -0.000416986 Jy ! Component: 150 - total flux cleaned = -0.000418304 Jy ! Component: 200 - total flux cleaned = -0.000417945 Jy ! Total flux subtracted in 200 components = -0.000417945 Jy ! Clean residual min=-0.004192 max=0.003139 Jy/beam ! Clean residual mean=0.000008 rms=0.001033 Jy/beam ! Combined flux in latest and established models = 0.866526 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 113 components and 0.866526 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. ! ! Fit before self-cal, rms=0.019192Jy sigma=0.677388 ! Fit after self-cal, rms=0.019175Jy sigma=0.676971 wmodel J1753+2848_X_map.mod ! Writing 113 model components to file: J1753+2848_X_map.mod wobs J1753+2848_X_uvs.fits ! Writing UV FITS file: J1753+2848_X_uvs.fits wwins J1753+2848_X_map.win ! wwins: Wrote 1 windows to J1753+2848_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 = -0.00177128 Jy ! Component: 100 - total flux cleaned = -0.00271258 Jy ! Component: 150 - total flux cleaned = -0.0029142 Jy ! Component: 200 - total flux cleaned = -0.0029158 Jy ! Component: 250 - total flux cleaned = -0.00291492 Jy ! Component: 300 - total flux cleaned = -0.00283917 Jy ! Component: 350 - total flux cleaned = -0.00287288 Jy ! Component: 400 - total flux cleaned = -0.00283889 Jy ! Component: 450 - total flux cleaned = -0.00259756 Jy ! Component: 500 - total flux cleaned = -0.0024295 Jy ! Component: 550 - total flux cleaned = -0.00224467 Jy ! Component: 600 - total flux cleaned = -0.00194601 Jy ! Component: 650 - total flux cleaned = -0.00168589 Jy ! Component: 700 - total flux cleaned = -0.00148506 Jy ! Component: 750 - total flux cleaned = -0.00139987 Jy ! Component: 800 - total flux cleaned = -0.00129863 Jy ! Component: 850 - total flux cleaned = -0.00127861 Jy ! Component: 900 - total flux cleaned = -0.00124249 Jy ! Component: 950 - total flux cleaned = -0.00138413 Jy ! Component: 1000 - total flux cleaned = -0.00143492 Jy ! Component: 1050 - total flux cleaned = -0.00146682 Jy ! Component: 1100 - total flux cleaned = -0.00148239 Jy ! Component: 1150 - total flux cleaned = -0.00148207 Jy ! Component: 1200 - total flux cleaned = -0.00151051 Jy ! Component: 1250 - total flux cleaned = -0.00152411 Jy ! Component: 1300 - total flux cleaned = -0.00145672 Jy ! Component: 1350 - total flux cleaned = -0.0014568 Jy ! Component: 1400 - total flux cleaned = -0.00143124 Jy ! Component: 1450 - total flux cleaned = -0.00136949 Jy ! Component: 1500 - total flux cleaned = -0.00128565 Jy ! Component: 1550 - total flux cleaned = -0.00116855 Jy ! Component: 1600 - total flux cleaned = -0.00103132 Jy ! Component: 1650 - total flux cleaned = -0.000896972 Jy ! Component: 1700 - total flux cleaned = -0.00077637 Jy ! Component: 1750 - total flux cleaned = -0.000647128 Jy ! Component: 1800 - total flux cleaned = -0.00050959 Jy ! Component: 1850 - total flux cleaned = -0.000364037 Jy ! Component: 1900 - total flux cleaned = -0.000272209 Jy ! Component: 1950 - total flux cleaned = -0.00019163 Jy ! Component: 2000 - total flux cleaned = -0.000132179 Jy ! Component: 2050 - total flux cleaned = -7.34069e-05 Jy ! Component: 2100 - total flux cleaned = -3.46782e-05 Jy ! Component: 2150 - total flux cleaned = 1.30477e-05 Jy ! Component: 2200 - total flux cleaned = 3.19599e-05 Jy ! Component: 2250 - total flux cleaned = 6.9345e-05 Jy ! Component: 2300 - total flux cleaned = 0.000106366 Jy ! Component: 2350 - total flux cleaned = 0.000143084 Jy ! Component: 2400 - total flux cleaned = 0.000152141 Jy ! Component: 2450 - total flux cleaned = 0.000143154 Jy ! Component: 2500 - total flux cleaned = 0.000161157 Jy ! Component: 2550 - total flux cleaned = 0.000143245 Jy ! Component: 2600 - total flux cleaned = 0.00016103 Jy ! Component: 2650 - total flux cleaned = 0.000134428 Jy ! Component: 2700 - total flux cleaned = 0.00014331 Jy ! Component: 2750 - total flux cleaned = 0.000125699 Jy ! Component: 2800 - total flux cleaned = 0.000134552 Jy ! Component: 2850 - total flux cleaned = 0.000134496 Jy ! Component: 2900 - total flux cleaned = 0.000143242 Jy ! Component: 2950 - total flux cleaned = 0.000151988 Jy ! Component: 3000 - total flux cleaned = 0.000160804 Jy ! Component: 3050 - total flux cleaned = 0.000169571 Jy ! Component: 3100 - total flux cleaned = 0.000160813 Jy ! Component: 3150 - total flux cleaned = 0.000178316 Jy ! Component: 3200 - total flux cleaned = 0.000169544 Jy ! Component: 3250 - total flux cleaned = 0.000160744 Jy ! Component: 3300 - total flux cleaned = 0.000178396 Jy ! Component: 3350 - total flux cleaned = 0.00017845 Jy ! Component: 3400 - total flux cleaned = 0.000187371 Jy ! Component: 3450 - total flux cleaned = 0.000187364 Jy ! Component: 3500 - total flux cleaned = 0.000187371 Jy ! Component: 3550 - total flux cleaned = 0.000187348 Jy ! Component: 3600 - total flux cleaned = 0.000205544 Jy ! Component: 3650 - total flux cleaned = 0.000214679 Jy ! Component: 3700 - total flux cleaned = 0.000223892 Jy ! Component: 3750 - total flux cleaned = 0.00024251 Jy ! Component: 3800 - total flux cleaned = 0.000251799 Jy ! Component: 3850 - total flux cleaned = 0.000280266 Jy ! Component: 3900 - total flux cleaned = 0.000299364 Jy ! Component: 3950 - total flux cleaned = 0.000318567 Jy ! Component: 4000 - total flux cleaned = 0.000337867 Jy ! Component: 4050 - total flux cleaned = 0.000367105 Jy ! Total flux subtracted in 4096 components = 0.000376925 Jy ! Clean residual min=-0.000552 max=0.000596 Jy/beam ! Clean residual mean=0.000005 rms=0.000165 Jy/beam ! Combined flux in latest and established models = 0.866903 Jy keep ! Adding 292 model components to the UV plane model. ! The established model now contains 405 components and 0.866903 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1753+2848_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.787 x 4.066 at -63.51 degrees (North through East) ! Clean map min=-0.0014858 max=0.78651 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1753+2848_X_map.fits wmodel /vlbi/sb072/temp_maps//J1753+2848_X_map.mod ! Writing 405 model components to file: /vlbi/sb072/temp_maps//J1753+2848_X_map.mod wobs /vlbi/sb072/temp_maps//J1753+2848_X_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1753+2848_X_uvs.fits wwins /vlbi/sb072/temp_maps//J1753+2848_X_map.win ! wwins: Wrote 2 windows to /vlbi/sb072/temp_maps//J1753+2848_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.786505 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00016838 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0642258 0.0642258 0.128452 0.256903 0.513806 1.02761 2.05522 4.11045 8.2209 16.4418 32.8836 65.7672 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.786 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 4671.02 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1753+2848_X_dfm.log closed on Tue Mar 5 23:26:09 2019