! Started logfile: /vlbi/sb072/temp_maps//J2253+1608_C_dfm.log on Fri Jan 25 19:57:06 2019 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs /vlbi/sb072/temp_maps//J2253+1608_C_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J2253+1608_C_uva.fits ! AN table 1: 6 integrations on 45 of 45 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J2253+1608 ! ! 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 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 2160 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 = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J2253+1608_C] 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 0.300x0.300 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=14.008612Jy sigma=211.874853 ! Fit after self-cal, rms=12.952357Jy sigma=194.875692 ! 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=1.213 mas, bmaj=3.505 mas, bpa=6.568 degrees ! Estimated noise=1.29834 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 = 9.99391 Jy ! Component: 100 - total flux cleaned = 12.213 Jy ! Total flux subtracted in 100 components = 12.213 Jy ! Clean residual min=-0.808192 max=1.030567 Jy/beam ! Clean residual mean=-0.000608 rms=0.169598 Jy/beam ! Combined flux in latest and established models = 12.213 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 12.213 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=3.607996Jy sigma=50.926811 ! Fit after self-cal, rms=3.607644Jy sigma=50.922688 ! Inverting map ! Added new window around map position (-22.5, 48.3). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.991935 Jy ! Component: 100 - total flux cleaned = 1.58063 Jy ! Total flux subtracted in 100 components = 1.58063 Jy ! Clean residual min=-0.816841 max=0.912223 Jy/beam ! Clean residual mean=-0.000442 rms=0.153461 Jy/beam ! Combined flux in latest and established models = 13.7936 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 14 components and 13.7936 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=3.267571Jy sigma=47.882065 ! Fit after self-cal, rms=3.238302Jy sigma=47.572419 ! 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=1.545 mas, bmaj=3.9 mas, bpa=4.9 degrees ! Estimated noise=0.987618 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 (26.1, -46.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.975877 Jy ! Component: 100 - total flux cleaned = 1.53072 Jy ! Component: 150 - total flux cleaned = 1.96435 Jy ! Component: 200 - total flux cleaned = 2.32017 Jy ! Total flux subtracted in 200 components = 2.32017 Jy ! Clean residual min=-0.641422 max=0.670727 Jy/beam ! Clean residual mean=-0.000871 rms=0.155375 Jy/beam ! Combined flux in latest and established models = 16.1138 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 49 components and 16.1138 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=2.798645Jy sigma=42.200085 ! Fit after self-cal, rms=2.782813Jy sigma=41.969461 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.545 x 3.9 at 4.9 degrees (North through East) ! Clean map min=-0.61192 max=12.878 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.07 HN 1.10 KP 1.04 ! LA 1.14 MK 1.12 NL 1.30 OV 1.13 ! PT 0.97 SC 1.19 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.04 HN 1.07 KP 1.01 ! LA 1.13 MK 1.08 NL 1.27 OV 1.07 ! PT 0.94 SC 1.14 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.97 HN 0.98 KP 0.93 ! LA 1.09 MK 1.18 NL 1.17 OV 0.99 ! PT 1.32 SC 1.07 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.91 HN 1.05 KP 0.90 ! LA 1.06 MK 1.02 NL 1.20 OV 0.96 ! PT 0.83 SC 1.05 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.89 HN 0.92 KP 0.88 ! LA 1.08 MK 0.97 NL 1.01 OV 0.89 ! PT 0.82 SC 0.93 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.90 HN 0.89 KP 0.88 ! LA 1.07 MK 1.00 NL 0.97 OV 0.91 ! PT 0.83 SC 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.90 HN 0.91 KP 0.88 ! LA 1.07 MK 0.98 NL 0.96 OV 0.90 ! PT 0.82 SC 0.97 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.88 HN 0.90 KP 0.87 ! LA 1.08 MK 0.96 NL 0.94 OV 0.89 ! PT 0.81 SC 0.93 ! ! ! Fit before self-cal, rms=2.782813Jy sigma=41.969461 ! Fit after self-cal, rms=1.189376Jy sigma=18.539281 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.554 mas, bmaj=3.925 mas, bpa=4.835 degrees ! Estimated noise=0.9841 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 (-7.5, 2.7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.296684 Jy ! Component: 100 - total flux cleaned = 0.384505 Jy ! Component: 150 - total flux cleaned = 0.442345 Jy ! Component: 200 - total flux cleaned = 0.519096 Jy ! Total flux subtracted in 200 components = 0.519096 Jy ! Clean residual min=-0.238562 max=0.242775 Jy/beam ! Clean residual mean=-0.000131 rms=0.054724 Jy/beam ! Combined flux in latest and established models = 16.6329 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 85 components and 16.6329 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=0.883628Jy sigma=13.718925 ! Fit after self-cal, rms=0.877083Jy sigma=13.635905 ! 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=0.877083Jy sigma=13.635905 ! Fit after self-cal, rms=0.841125Jy sigma=13.305520 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.557 mas, bmaj=3.933 mas, bpa=4.722 degrees ! Estimated noise=0.977183 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0984624 Jy ! Component: 100 - total flux cleaned = -0.0905357 Jy ! Component: 150 - total flux cleaned = -0.0833572 Jy ! Component: 200 - total flux cleaned = -0.0663909 Jy ! Total flux subtracted in 200 components = -0.0663909 Jy ! Clean residual min=-0.178288 max=0.222849 Jy/beam ! Clean residual mean=-0.000063 rms=0.043511 Jy/beam ! Combined flux in latest and established models = 16.5665 Jy selfcal ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 111 components and 16.5665 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=0.726595Jy sigma=11.428327 ! Fit after self-cal, rms=0.724476Jy sigma=11.389443 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 (-4.2, 1.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.130529 Jy ! Component: 100 - total flux cleaned = 0.158389 Jy ! Component: 150 - total flux cleaned = 0.188522 Jy ! Component: 200 - total flux cleaned = 0.202549 Jy ! Total flux subtracted in 200 components = 0.202549 Jy ! Clean residual min=-0.147494 max=0.169682 Jy/beam ! Clean residual mean=-0.000026 rms=0.036605 Jy/beam ! Combined flux in latest and established models = 16.769 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 128 components and 16.769 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=0.633253Jy sigma=9.947966 ! Fit after self-cal, rms=0.630619Jy sigma=9.905521 ! Inverting map ! Added new window around map position (0.9, -17.7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.15384 Jy ! Component: 100 - total flux cleaned = 0.187371 Jy ! Component: 150 - total flux cleaned = 0.195318 Jy ! Component: 200 - total flux cleaned = 0.191449 Jy ! Total flux subtracted in 200 components = 0.191449 Jy ! Clean residual min=-0.128075 max=0.123964 Jy/beam ! Clean residual mean=-0.000018 rms=0.030949 Jy/beam ! Combined flux in latest and established models = 16.9605 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 156 components and 16.9605 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=0.560351Jy sigma=8.765583 ! Fit after self-cal, rms=0.558458Jy sigma=8.740073 ! 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=0.558458Jy sigma=8.740073 ! Fit after self-cal, rms=0.526240Jy sigma=8.336297 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.557 mas, bmaj=3.935 mas, bpa=4.679 degrees ! Estimated noise=0.973909 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0834029 Jy ! Component: 100 - total flux cleaned = -0.0872637 Jy ! Component: 150 - total flux cleaned = -0.0907307 Jy ! Component: 200 - total flux cleaned = -0.0969136 Jy ! Total flux subtracted in 200 components = -0.0969136 Jy ! Clean residual min=-0.111208 max=0.105357 Jy/beam ! Clean residual mean=0.000018 rms=0.025572 Jy/beam ! Combined flux in latest and established models = 16.8636 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 170 components and 16.8636 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=0.474117Jy sigma=7.491575 ! Fit after self-cal, rms=0.473354Jy sigma=7.470424 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 = 0.0021623 Jy ! Component: 100 - total flux cleaned = 0.00479442 Jy ! Component: 150 - total flux cleaned = 0.0098681 Jy ! Component: 200 - total flux cleaned = 0.0170127 Jy ! Total flux subtracted in 200 components = 0.0170127 Jy ! Clean residual min=-0.101447 max=0.097576 Jy/beam ! Clean residual mean=0.000017 rms=0.023531 Jy/beam ! Combined flux in latest and established models = 16.8806 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 185 components and 16.8806 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=0.447863Jy sigma=7.043736 ! Fit after self-cal, rms=0.447413Jy sigma=7.033437 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 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=0.447413Jy sigma=7.033437 ! Fit after self-cal, rms=0.435939Jy sigma=6.895714 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.463 mas, bmaj=5.383 mas, bpa=-1.82 degrees ! Estimated noise=1.30143 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0574533 Jy ! Component: 100 - total flux cleaned = -0.0642336 Jy ! Component: 150 - total flux cleaned = -0.0797358 Jy ! Component: 200 - total flux cleaned = -0.0906615 Jy ! Total flux subtracted in 200 components = -0.0906615 Jy ! Clean residual min=-0.122076 max=0.107509 Jy/beam ! Clean residual mean=0.000052 rms=0.030592 Jy/beam ! Combined flux in latest and established models = 16.7899 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 207 components and 16.7899 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=0.414055Jy sigma=6.565403 ! Fit after self-cal, rms=0.413649Jy sigma=6.546452 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 = -0.0106658 Jy ! Component: 100 - total flux cleaned = -0.0105746 Jy ! Component: 150 - total flux cleaned = -0.0148664 Jy ! Component: 200 - total flux cleaned = -0.0228685 Jy ! Total flux subtracted in 200 components = -0.0228685 Jy ! Clean residual min=-0.110272 max=0.095593 Jy/beam ! Clean residual mean=0.000031 rms=0.027616 Jy/beam ! Combined flux in latest and established models = 16.7671 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 235 components and 16.7671 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=0.401982Jy sigma=6.359149 ! Fit after self-cal, rms=0.401832Jy sigma=6.348547 ! 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=1.556 mas, bmaj=3.934 mas, bpa=4.652 degrees ! Estimated noise=0.97217 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.556 x 3.934 at 4.652 degrees (North through East) ! Clean map min=-0.093895 max=12.847 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=0.401832Jy sigma=6.348547 ! Fit after self-cal, rms=0.356405Jy sigma=5.677545 ! Inverting map and beam ! Estimated beam: bmin=1.556 mas, bmaj=3.933 mas, bpa=4.68 degrees ! Estimated noise=0.971131 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0518666 Jy ! Component: 100 - total flux cleaned = -0.0662907 Jy ! Component: 150 - total flux cleaned = -0.0757677 Jy ! Component: 200 - total flux cleaned = -0.0810441 Jy ! Total flux subtracted in 200 components = -0.0810441 Jy ! Clean residual min=-0.087131 max=0.087770 Jy/beam ! Clean residual mean=0.000033 rms=0.018223 Jy/beam ! Combined flux in latest and established models = 16.686 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 260 components and 16.686 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=0.334309Jy sigma=5.307719 ! Fit after self-cal, rms=0.333880Jy sigma=5.297605 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00563164 Jy ! Component: 100 - total flux cleaned = -0.00564309 Jy ! Component: 150 - total flux cleaned = -0.00571065 Jy ! Component: 200 - total flux cleaned = -0.00715505 Jy ! Total flux subtracted in 200 components = -0.00715505 Jy ! Clean residual min=-0.082853 max=0.085366 Jy/beam ! Clean residual mean=0.000028 rms=0.017480 Jy/beam ! Combined flux in latest and established models = 16.6789 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 270 components and 16.6789 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=0.321149Jy sigma=5.087554 ! Fit after self-cal, rms=0.321045Jy sigma=5.083814 ! Inverting map ! Added new window around map position (23.7, -57.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0761267 Jy ! Component: 100 - total flux cleaned = 0.0930039 Jy ! Component: 150 - total flux cleaned = 0.101775 Jy ! Component: 200 - total flux cleaned = 0.103119 Jy ! Total flux subtracted in 200 components = 0.103119 Jy ! Clean residual min=-0.078138 max=0.074400 Jy/beam ! Clean residual mean=0.000028 rms=0.016058 Jy/beam ! Combined flux in latest and established models = 16.782 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 289 components and 16.782 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=0.298212Jy sigma=4.721164 ! Fit after self-cal, rms=0.297850Jy sigma=4.712943 ! 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=0.297850Jy sigma=4.712943 ! Fit after self-cal, rms=0.292320Jy sigma=4.638317 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=1.221 mas, bmaj=3.511 mas, bpa=6.45 degrees ! Estimated noise=1.27216 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.79072 Jy ! Component: 100 - total flux cleaned = 11.9475 Jy ! Component: 150 - total flux cleaned = 12.686 Jy ! Component: 200 - total flux cleaned = 13.2025 Jy ! Total flux subtracted in 200 components = 13.2025 Jy ! Clean residual min=-0.278287 max=0.303950 Jy/beam ! Clean residual mean=-0.000250 rms=0.060909 Jy/beam ! Combined flux in latest and established models = 13.2025 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 18 model components to the UV plane model. ! The established model now contains 18 components and 13.2025 Jy ! Inverting map and beam ! Estimated beam: bmin=1.555 mas, bmaj=3.932 mas, bpa=4.648 degrees ! Estimated noise=0.970466 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 = 0.648218 Jy ! Component: 100 - total flux cleaned = 1.1092 Jy ! Component: 150 - total flux cleaned = 1.46945 Jy ! Component: 200 - total flux cleaned = 1.76345 Jy ! Total flux subtracted in 200 components = 1.76345 Jy ! Clean residual min=-0.163275 max=0.197319 Jy/beam ! Clean residual mean=-0.000303 rms=0.046328 Jy/beam ! Combined flux in latest and established models = 14.966 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 52 components and 14.966 Jy ! Inverting map ! Added new window around map position (11.1, -17.1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.248195 Jy ! Component: 100 - total flux cleaned = 0.457737 Jy ! Component: 150 - total flux cleaned = 0.638229 Jy ! Component: 200 - total flux cleaned = 0.795542 Jy ! Total flux subtracted in 200 components = 0.795542 Jy ! Clean residual min=-0.118282 max=0.124376 Jy/beam ! Clean residual mean=-0.000153 rms=0.029576 Jy/beam ! Combined flux in latest and established models = 15.7615 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 93 components and 15.7615 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.462 mas, bmaj=5.379 mas, bpa=-1.827 degrees ! Estimated noise=1.30005 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.243469 Jy ! Component: 100 - total flux cleaned = 0.411721 Jy ! Component: 150 - total flux cleaned = 0.541532 Jy ! Component: 200 - total flux cleaned = 0.646449 Jy ! Total flux subtracted in 200 components = 0.646449 Jy ! Clean residual min=-0.107953 max=0.094861 Jy/beam ! Clean residual mean=-0.000116 rms=0.026278 Jy/beam ! Combined flux in latest and established models = 16.408 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 = 0.0869926 Jy ! Component: 100 - total flux cleaned = 0.156902 Jy ! Component: 150 - total flux cleaned = 0.189596 Jy ! Component: 200 - total flux cleaned = 0.207556 Jy ! Total flux subtracted in 200 components = 0.207556 Jy ! Clean residual min=-0.089664 max=0.062261 Jy/beam ! Clean residual mean=-0.000045 rms=0.020453 Jy/beam ! Combined flux in latest and established models = 16.6155 Jy ! Adding 87 model components to the UV plane model. ! The established model now contains 159 components and 16.6155 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.555 mas, bmaj=3.932 mas, bpa=4.648 degrees ! Estimated noise=0.970466 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0693554 Jy ! Component: 100 - total flux cleaned = 0.104853 Jy ! Component: 150 - total flux cleaned = 0.1291 Jy ! Component: 200 - total flux cleaned = 0.148909 Jy ! Total flux subtracted in 200 components = 0.148909 Jy ! Clean residual min=-0.077846 max=0.064953 Jy/beam ! Clean residual mean=0.000005 rms=0.015139 Jy/beam ! Combined flux in latest and established models = 16.7644 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 189 components and 16.7644 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=0.287611Jy sigma=4.643216 ! Fit after self-cal, rms=0.278954Jy sigma=4.481079 wmodel J2253+1608_C_map.mod ! Writing 189 model components to file: J2253+1608_C_map.mod wobs J2253+1608_C_uvs.fits ! Writing UV FITS file: J2253+1608_C_uvs.fits wwins J2253+1608_C_map.win ! wwins: Wrote 8 windows to J2253+1608_C_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 = -0.0201049 Jy ! Component: 100 - total flux cleaned = -0.0305017 Jy ! Component: 150 - total flux cleaned = -0.0337229 Jy ! Component: 200 - total flux cleaned = -0.0377416 Jy ! Component: 250 - total flux cleaned = -0.0406368 Jy ! Component: 300 - total flux cleaned = -0.0425208 Jy ! Component: 350 - total flux cleaned = -0.0452175 Jy ! Component: 400 - total flux cleaned = -0.0469359 Jy ! Component: 450 - total flux cleaned = -0.0486042 Jy ! Component: 500 - total flux cleaned = -0.0510099 Jy ! Component: 550 - total flux cleaned = -0.0533613 Jy ! Component: 600 - total flux cleaned = -0.0549013 Jy ! Component: 650 - total flux cleaned = -0.0578965 Jy ! Component: 700 - total flux cleaned = -0.0578795 Jy ! Component: 750 - total flux cleaned = -0.056449 Jy ! Component: 800 - total flux cleaned = -0.0550699 Jy ! Component: 850 - total flux cleaned = -0.0550717 Jy ! Component: 900 - total flux cleaned = -0.0537555 Jy ! Component: 950 - total flux cleaned = -0.0524533 Jy ! Component: 1000 - total flux cleaned = -0.0537228 Jy ! Component: 1050 - total flux cleaned = -0.0530983 Jy ! Component: 1100 - total flux cleaned = -0.053708 Jy ! Component: 1150 - total flux cleaned = -0.0536981 Jy ! Component: 1200 - total flux cleaned = -0.0548653 Jy ! Component: 1250 - total flux cleaned = -0.0548709 Jy ! Component: 1300 - total flux cleaned = -0.053749 Jy ! Component: 1350 - total flux cleaned = -0.0559799 Jy ! Component: 1400 - total flux cleaned = -0.0554361 Jy ! Component: 1450 - total flux cleaned = -0.0543609 Jy ! Component: 1500 - total flux cleaned = -0.0538376 Jy ! Component: 1550 - total flux cleaned = -0.0522943 Jy ! Component: 1600 - total flux cleaned = -0.0517866 Jy ! Component: 1650 - total flux cleaned = -0.0488186 Jy ! Component: 1700 - total flux cleaned = -0.0488196 Jy ! Component: 1750 - total flux cleaned = -0.0473734 Jy ! Component: 1800 - total flux cleaned = -0.046902 Jy ! Component: 1850 - total flux cleaned = -0.0459851 Jy ! Component: 1900 - total flux cleaned = -0.0441697 Jy ! Component: 1950 - total flux cleaned = -0.0437253 Jy ! Component: 2000 - total flux cleaned = -0.044151 Jy ! Component: 2050 - total flux cleaned = -0.0424262 Jy ! Component: 2100 - total flux cleaned = -0.0415805 Jy ! Component: 2150 - total flux cleaned = -0.0395022 Jy ! Component: 2200 - total flux cleaned = -0.0378677 Jy ! Component: 2250 - total flux cleaned = -0.0362417 Jy ! Component: 2300 - total flux cleaned = -0.0362379 Jy ! Component: 2350 - total flux cleaned = -0.033099 Jy ! Component: 2400 - total flux cleaned = -0.0315542 Jy ! Component: 2450 - total flux cleaned = -0.0311817 Jy ! Component: 2500 - total flux cleaned = -0.0281844 Jy ! Component: 2550 - total flux cleaned = -0.025244 Jy ! Component: 2600 - total flux cleaned = -0.0248879 Jy ! Component: 2650 - total flux cleaned = -0.0245333 Jy ! Component: 2700 - total flux cleaned = -0.0234722 Jy ! Component: 2750 - total flux cleaned = -0.0241701 Jy ! Component: 2800 - total flux cleaned = -0.0238229 Jy ! Component: 2850 - total flux cleaned = -0.0224689 Jy ! Component: 2900 - total flux cleaned = -0.0218043 Jy ! Component: 2950 - total flux cleaned = -0.020166 Jy ! Component: 3000 - total flux cleaned = -0.0191978 Jy ! Component: 3050 - total flux cleaned = -0.0201579 Jy ! Component: 3100 - total flux cleaned = -0.0173163 Jy ! Component: 3150 - total flux cleaned = -0.0173174 Jy ! Component: 3200 - total flux cleaned = -0.017625 Jy ! Component: 3250 - total flux cleaned = -0.0167163 Jy ! Component: 3300 - total flux cleaned = -0.0161152 Jy ! Component: 3350 - total flux cleaned = -0.0172998 Jy ! Component: 3400 - total flux cleaned = -0.017584 Jy ! Component: 3450 - total flux cleaned = -0.017584 Jy ! Component: 3500 - total flux cleaned = -0.0158683 Jy ! Component: 3550 - total flux cleaned = -0.0167138 Jy ! Component: 3600 - total flux cleaned = -0.0172633 Jy ! Component: 3650 - total flux cleaned = -0.0156161 Jy ! Component: 3700 - total flux cleaned = -0.0153484 Jy ! Component: 3750 - total flux cleaned = -0.0158897 Jy ! Component: 3800 - total flux cleaned = -0.0153583 Jy ! Component: 3850 - total flux cleaned = -0.0153605 Jy ! Component: 3900 - total flux cleaned = -0.0156227 Jy ! Component: 3950 - total flux cleaned = -0.0158854 Jy ! Component: 4000 - total flux cleaned = -0.0161326 Jy ! Component: 4050 - total flux cleaned = -0.0153809 Jy ! Total flux subtracted in 4096 components = -0.0151336 Jy ! Clean residual min=-0.013157 max=0.012754 Jy/beam ! Clean residual mean=-0.000009 rms=0.004482 Jy/beam ! Combined flux in latest and established models = 16.7493 Jy keep ! Adding 322 model components to the UV plane model. ! The established model now contains 511 components and 16.7493 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J2253+1608_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.555 x 3.932 at 4.648 degrees (North through East) ! Clean map min=-0.03594 max=12.897 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J2253+1608_C_map.fits wmodel /vlbi/sb072/temp_maps//J2253+1608_C_map.mod ! Writing 511 model components to file: /vlbi/sb072/temp_maps//J2253+1608_C_map.mod wobs /vlbi/sb072/temp_maps//J2253+1608_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J2253+1608_C_uvs.fits wwins /vlbi/sb072/temp_maps//J2253+1608_C_map.win ! wwins: Wrote 9 windows to /vlbi/sb072/temp_maps//J2253+1608_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 12.8973 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00446305 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.103814 0.103814 0.207627 0.415254 0.830508 1.66102 3.32203 6.64407 13.2881 26.5763 53.1525 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0133 print "peak= ", int(1000*peak_flux)/1000 ! peak= 12.897 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2889.8 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J2253+1608_C_dfm.log closed on Fri Jan 25 19:57:10 2019