! Started logfile: /vlbi/sb072/temp_maps//J1620+4901_C_dfm.log on Sat Dec 15 22:24:49 2018 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//J1620+4901_C_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1620+4901_C_uva.fits ! AN table 1: 7 integrations on 36 of 36 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1620+4901 ! ! 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 2016 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 J1620+4901_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=1.009585Jy sigma=41.551372 ! Fit after self-cal, rms=0.784543Jy sigma=32.109442 ! 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=1.292 mas, bmaj=5.485 mas, bpa=-18.84 degrees ! Estimated noise=0.624979 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 = 0.152845 Jy ! Component: 100 - total flux cleaned = 0.192976 Jy ! Total flux subtracted in 100 components = 0.192976 Jy ! Clean residual min=-0.012227 max=0.017718 Jy/beam ! Clean residual mean=-0.000023 rms=0.002511 Jy/beam ! Combined flux in latest and established models = 0.192976 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.192976 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=0.065690Jy sigma=2.400422 ! Fit after self-cal, rms=0.065505Jy sigma=2.398085 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0205866 Jy ! Component: 100 - total flux cleaned = 0.0344545 Jy ! Total flux subtracted in 100 components = 0.0344545 Jy ! Clean residual min=-0.008609 max=0.012019 Jy/beam ! Clean residual mean=-0.000014 rms=0.001788 Jy/beam ! Combined flux in latest and established models = 0.227431 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 22 components and 0.227431 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=0.050215Jy sigma=1.744609 ! Fit after self-cal, rms=0.049606Jy sigma=1.739108 ! Inverting map ! Added new window around map position (0.6, 6.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0124965 Jy ! Component: 100 - total flux cleaned = 0.0216458 Jy ! Total flux subtracted in 100 components = 0.0216458 Jy ! Clean residual min=-0.007350 max=0.005676 Jy/beam ! Clean residual mean=-0.000009 rms=0.001365 Jy/beam ! Combined flux in latest and established models = 0.249077 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 44 components and 0.249077 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=0.041585Jy sigma=1.388697 ! Fit after self-cal, rms=0.041198Jy sigma=1.380373 ! 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=1.671 mas, bmaj=5.415 mas, bpa=-18.26 degrees ! Estimated noise=0.432138 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 = 0.0167009 Jy ! Component: 100 - total flux cleaned = 0.028104 Jy ! Component: 150 - total flux cleaned = 0.0364816 Jy ! Component: 200 - total flux cleaned = 0.0428936 Jy ! Total flux subtracted in 200 components = 0.0428936 Jy ! Clean residual min=-0.006150 max=0.006832 Jy/beam ! Clean residual mean=0.000003 rms=0.001800 Jy/beam ! Combined flux in latest and established models = 0.29197 Jy ! Performing phase self-cal ! Adding 75 model components to the UV plane model. ! The established model now contains 103 components and 0.29197 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=0.030712Jy sigma=0.930222 ! Fit after self-cal, rms=0.030400Jy sigma=0.920625 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.671 x 5.415 at -18.26 degrees (North through East) ! Clean map min=-0.0053035 max=0.21118 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.95 KP 0.96 LA 1.05 ! MK 1.03 NL 1.03 OV 0.95 PT 0.94 ! SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.96 KP 0.94 LA 1.06 ! MK 1.00 NL 1.01 OV 0.95 PT 0.93 ! SC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.93 KP 0.95 LA 1.06 ! MK 1.00 NL 1.03 OV 1.00 PT 0.91 ! SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.94 KP 0.96 LA 1.03 ! MK 1.00 NL 1.02 OV 1.00 PT 0.92 ! SC 1.03 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.93 KP 0.96 LA 1.05 ! MK 0.99 NL 1.02 OV 0.98 PT 0.93 ! SC 1.01 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.94 KP 0.97 LA 1.05 ! MK 1.00 NL 1.03 OV 0.99 PT 0.92 ! SC 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.94 KP 0.95 LA 1.05 ! MK 1.01 NL 1.02 OV 0.99 PT 0.93 ! SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.94 KP 0.96 LA 1.06 ! MK 1.00 NL 1.02 OV 0.98 PT 0.94 ! SC 1.01 ! ! ! Fit before self-cal, rms=0.030400Jy sigma=0.920625 ! Fit after self-cal, rms=0.025620Jy sigma=0.737458 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.682 mas, bmaj=5.454 mas, bpa=-18.25 degrees ! Estimated noise=0.426062 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 (9.9, 28.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00644007 Jy ! Component: 100 - total flux cleaned = 0.0100157 Jy ! Component: 150 - total flux cleaned = 0.0127924 Jy ! Component: 200 - total flux cleaned = 0.0150993 Jy ! Total flux subtracted in 200 components = 0.0150993 Jy ! Clean residual min=-0.002596 max=0.002846 Jy/beam ! Clean residual mean=0.000003 rms=0.000614 Jy/beam ! Combined flux in latest and established models = 0.307069 Jy ! Performing phase self-cal ! Adding 55 model components to the UV plane model. ! The established model now contains 158 components and 0.307069 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=0.023536Jy sigma=0.626485 ! Fit after self-cal, rms=0.023220Jy sigma=0.622419 ! 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=0.023220Jy sigma=0.622419 ! Fit after self-cal, rms=0.022942Jy sigma=0.616925 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.683 mas, bmaj=5.464 mas, bpa=-18.27 degrees ! Estimated noise=0.425079 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00191324 Jy ! Component: 100 - total flux cleaned = 0.00348032 Jy ! Component: 150 - total flux cleaned = 0.00474318 Jy ! Component: 200 - total flux cleaned = 0.00589215 Jy ! Total flux subtracted in 200 components = 0.00589215 Jy ! Clean residual min=-0.002092 max=0.002680 Jy/beam ! Clean residual mean=0.000003 rms=0.000468 Jy/beam ! Combined flux in latest and established models = 0.312962 Jy selfcal ! Performing phase self-cal ! Adding 54 model components to the UV plane model. ! The established model now contains 196 components and 0.312962 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=0.022539Jy sigma=0.592098 ! Fit after self-cal, rms=0.022466Jy sigma=0.590407 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 (3.3, 12). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00222285 Jy ! Component: 100 - total flux cleaned = 0.00327605 Jy ! Component: 150 - total flux cleaned = 0.00427504 Jy ! Component: 200 - total flux cleaned = 0.00502041 Jy ! Total flux subtracted in 200 components = 0.00502041 Jy ! Clean residual min=-0.001845 max=0.001745 Jy/beam ! Clean residual mean=0.000002 rms=0.000370 Jy/beam ! Combined flux in latest and established models = 0.317982 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 225 components and 0.317982 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=0.022144Jy sigma=0.569260 ! Fit after self-cal, rms=0.022084Jy sigma=0.568526 ! 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=0.022084Jy sigma=0.568526 ! Fit after self-cal, rms=0.022019Jy sigma=0.566392 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.681 mas, bmaj=5.471 mas, bpa=-18.29 degrees ! Estimated noise=0.424609 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000705835 Jy ! Component: 100 - total flux cleaned = 0.00135229 Jy ! Component: 150 - total flux cleaned = 0.00185484 Jy ! Component: 200 - total flux cleaned = 0.00230859 Jy ! Total flux subtracted in 200 components = 0.00230859 Jy ! Clean residual min=-0.001621 max=0.001522 Jy/beam ! Clean residual mean=0.000002 rms=0.000323 Jy/beam ! Combined flux in latest and established models = 0.320291 Jy selfcal ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 249 components and 0.32029 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=0.021896Jy sigma=0.558271 ! Fit after self-cal, rms=0.021871Jy sigma=0.557791 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 = 0.000568065 Jy ! Component: 100 - total flux cleaned = 0.00106373 Jy ! Component: 150 - total flux cleaned = 0.00140549 Jy ! Component: 200 - total flux cleaned = 0.00172178 Jy ! Total flux subtracted in 200 components = 0.00172178 Jy ! Clean residual min=-0.001477 max=0.001330 Jy/beam ! Clean residual mean=0.000002 rms=0.000296 Jy/beam ! Combined flux in latest and established models = 0.322012 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 269 components and 0.322012 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=0.021814Jy sigma=0.553454 ! Fit after self-cal, rms=0.021789Jy sigma=0.553121 ! 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=0.021789Jy sigma=0.553121 ! Fit after self-cal, rms=0.021772Jy sigma=0.552460 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.947 mas, bmaj=5.711 mas, bpa=-13.77 degrees ! Estimated noise=0.506836 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000727289 Jy ! Component: 100 - total flux cleaned = 0.00139524 Jy ! Component: 150 - total flux cleaned = 0.00196049 Jy ! Component: 200 - total flux cleaned = 0.00244602 Jy ! Total flux subtracted in 200 components = 0.00244602 Jy ! Clean residual min=-0.001120 max=0.001031 Jy/beam ! Clean residual mean=0.000002 rms=0.000306 Jy/beam ! Combined flux in latest and established models = 0.324458 Jy selfcal ! Performing phase self-cal ! Adding 54 model components to the UV plane model. ! The established model now contains 318 components and 0.324458 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=0.021731Jy sigma=0.549675 ! Fit after self-cal, rms=0.021710Jy sigma=0.549199 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 = 0.000384152 Jy ! Component: 100 - total flux cleaned = 0.000646538 Jy ! Component: 150 - total flux cleaned = 0.000899885 Jy ! Component: 200 - total flux cleaned = 0.00116368 Jy ! Total flux subtracted in 200 components = 0.00116368 Jy ! Clean residual min=-0.001148 max=0.001024 Jy/beam ! Clean residual mean=0.000002 rms=0.000284 Jy/beam ! Combined flux in latest and established models = 0.325622 Jy ! Performing phase self-cal ! Adding 58 model components to the UV plane model. ! The established model now contains 359 components and 0.325622 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=0.021696Jy sigma=0.547705 ! Fit after self-cal, rms=0.021677Jy sigma=0.547353 ! 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=1.68 mas, bmaj=5.473 mas, bpa=-18.3 degrees ! Estimated noise=0.424385 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.68 x 5.473 at -18.3 degrees (North through East) ! Clean map min=-0.0011506 max=0.20776 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=1.294 mas, bmaj=5.548 mas, bpa=-18.86 degrees ! Estimated noise=0.618944 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.151413 Jy ! Component: 100 - total flux cleaned = 0.191897 Jy ! Component: 150 - total flux cleaned = 0.213576 Jy ! Component: 200 - total flux cleaned = 0.228216 Jy ! Total flux subtracted in 200 components = 0.228216 Jy ! Clean residual min=-0.005645 max=0.008101 Jy/beam ! Clean residual mean=-0.000010 rms=0.001428 Jy/beam ! Combined flux in latest and established models = 0.228216 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 24 model components to the UV plane model. ! The established model now contains 24 components and 0.228216 Jy ! Inverting map and beam ! Estimated beam: bmin=1.68 mas, bmaj=5.473 mas, bpa=-18.3 degrees ! Estimated noise=0.424385 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 = 0.0199892 Jy ! Component: 100 - total flux cleaned = 0.032795 Jy ! Component: 150 - total flux cleaned = 0.0418124 Jy ! Component: 200 - total flux cleaned = 0.0487176 Jy ! Total flux subtracted in 200 components = 0.0487176 Jy ! Clean residual min=-0.003481 max=0.004608 Jy/beam ! Clean residual mean=-0.000001 rms=0.001241 Jy/beam ! Combined flux in latest and established models = 0.276933 Jy ! Adding 57 model components to the UV plane model. ! The established model now contains 73 components and 0.276933 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=3.947 mas, bmaj=5.711 mas, bpa=-13.77 degrees ! Estimated noise=0.506836 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00890434 Jy ! Component: 100 - total flux cleaned = 0.015267 Jy ! Component: 150 - total flux cleaned = 0.0201093 Jy ! Component: 200 - total flux cleaned = 0.0239609 Jy ! Total flux subtracted in 200 components = 0.0239609 Jy ! Clean residual min=-0.003305 max=0.002842 Jy/beam ! Clean residual mean=0.000002 rms=0.001000 Jy/beam ! Combined flux in latest and established models = 0.300894 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 = 0.00314089 Jy ! Component: 100 - total flux cleaned = 0.00574263 Jy ! Component: 150 - total flux cleaned = 0.00792938 Jy ! Component: 200 - total flux cleaned = 0.00980601 Jy ! Total flux subtracted in 200 components = 0.00980601 Jy ! Clean residual min=-0.002220 max=0.001763 Jy/beam ! Clean residual mean=0.000003 rms=0.000637 Jy/beam ! Combined flux in latest and established models = 0.3107 Jy ! Adding 152 model components to the UV plane model. ! The established model now contains 214 components and 0.3107 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.68 mas, bmaj=5.473 mas, bpa=-18.3 degrees ! Estimated noise=0.424385 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00218962 Jy ! Component: 100 - total flux cleaned = 0.0036393 Jy ! Component: 150 - total flux cleaned = 0.0049439 Jy ! Component: 200 - total flux cleaned = 0.00610193 Jy ! Total flux subtracted in 200 components = 0.00610193 Jy ! Clean residual min=-0.001698 max=0.001371 Jy/beam ! Clean residual mean=0.000002 rms=0.000351 Jy/beam ! Combined flux in latest and established models = 0.316802 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 250 components and 0.316802 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=0.022067Jy sigma=0.564101 ! Fit after self-cal, rms=0.021929Jy sigma=0.559042 wmodel J1620+4901_C_map.mod ! Writing 250 model components to file: J1620+4901_C_map.mod wobs J1620+4901_C_uvs.fits ! Writing UV FITS file: J1620+4901_C_uvs.fits wwins J1620+4901_C_map.win ! wwins: Wrote 4 windows to J1620+4901_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 = -0.000371662 Jy ! Component: 100 - total flux cleaned = -0.000349282 Jy ! Component: 150 - total flux cleaned = -0.000349771 Jy ! Component: 200 - total flux cleaned = -0.000308071 Jy ! Component: 250 - total flux cleaned = -0.000308763 Jy ! Component: 300 - total flux cleaned = -0.000384631 Jy ! Component: 350 - total flux cleaned = -0.000421406 Jy ! Component: 400 - total flux cleaned = -0.000492076 Jy ! Component: 450 - total flux cleaned = -0.000440838 Jy ! Component: 500 - total flux cleaned = -0.000491111 Jy ! Component: 550 - total flux cleaned = -0.000523575 Jy ! Component: 600 - total flux cleaned = -0.000570844 Jy ! Component: 650 - total flux cleaned = -0.000570891 Jy ! Component: 700 - total flux cleaned = -0.00060135 Jy ! Component: 750 - total flux cleaned = -0.000645677 Jy ! Component: 800 - total flux cleaned = -0.000674688 Jy ! Component: 850 - total flux cleaned = -0.000716753 Jy ! Component: 900 - total flux cleaned = -0.000716361 Jy ! Component: 950 - total flux cleaned = -0.000689482 Jy ! Component: 1000 - total flux cleaned = -0.000715632 Jy ! Component: 1050 - total flux cleaned = -0.000663773 Jy ! Component: 1100 - total flux cleaned = -0.000663714 Jy ! Component: 1150 - total flux cleaned = -0.000650998 Jy ! Component: 1200 - total flux cleaned = -0.000638922 Jy ! Component: 1250 - total flux cleaned = -0.000686728 Jy ! Component: 1300 - total flux cleaned = -0.000639412 Jy ! Component: 1350 - total flux cleaned = -0.000616491 Jy ! Component: 1400 - total flux cleaned = -0.000605406 Jy ! Component: 1450 - total flux cleaned = -0.000594414 Jy ! Component: 1500 - total flux cleaned = -0.000583282 Jy ! Component: 1550 - total flux cleaned = -0.000539647 Jy ! Component: 1600 - total flux cleaned = -0.000539527 Jy ! Component: 1650 - total flux cleaned = -0.000518336 Jy ! Component: 1700 - total flux cleaned = -0.00053952 Jy ! Component: 1750 - total flux cleaned = -0.000498016 Jy ! Component: 1800 - total flux cleaned = -0.00049814 Jy ! Component: 1850 - total flux cleaned = -0.000477902 Jy ! Component: 1900 - total flux cleaned = -0.000468015 Jy ! Component: 1950 - total flux cleaned = -0.000458132 Jy ! Component: 2000 - total flux cleaned = -0.000448347 Jy ! Component: 2050 - total flux cleaned = -0.000438555 Jy ! Component: 2100 - total flux cleaned = -0.000399972 Jy ! Component: 2150 - total flux cleaned = -0.000409456 Jy ! Component: 2200 - total flux cleaned = -0.000390721 Jy ! Component: 2250 - total flux cleaned = -0.000437611 Jy ! Component: 2300 - total flux cleaned = -0.000428276 Jy ! Component: 2350 - total flux cleaned = -0.000446635 Jy ! Component: 2400 - total flux cleaned = -0.000473942 Jy ! Component: 2450 - total flux cleaned = -0.000455885 Jy ! Component: 2500 - total flux cleaned = -0.000455942 Jy ! Component: 2550 - total flux cleaned = -0.000482494 Jy ! Component: 2600 - total flux cleaned = -0.000447292 Jy ! Component: 2650 - total flux cleaned = -0.000447319 Jy ! Component: 2700 - total flux cleaned = -0.000455932 Jy ! Component: 2750 - total flux cleaned = -0.000438827 Jy ! Component: 2800 - total flux cleaned = -0.000447437 Jy ! Component: 2850 - total flux cleaned = -0.000481145 Jy ! Component: 2900 - total flux cleaned = -0.000447655 Jy ! Component: 2950 - total flux cleaned = -0.000455927 Jy ! Component: 3000 - total flux cleaned = -0.000472307 Jy ! Component: 3050 - total flux cleaned = -0.000423349 Jy ! Component: 3100 - total flux cleaned = -0.000431419 Jy ! Component: 3150 - total flux cleaned = -0.000463502 Jy ! Component: 3200 - total flux cleaned = -0.000463426 Jy ! Component: 3250 - total flux cleaned = -0.000487089 Jy ! Component: 3300 - total flux cleaned = -0.000486988 Jy ! Component: 3350 - total flux cleaned = -0.000487091 Jy ! Component: 3400 - total flux cleaned = -0.000487078 Jy ! Component: 3450 - total flux cleaned = -0.000487147 Jy ! Component: 3500 - total flux cleaned = -0.000494687 Jy ! Component: 3550 - total flux cleaned = -0.000502153 Jy ! Component: 3600 - total flux cleaned = -0.000479653 Jy ! Component: 3650 - total flux cleaned = -0.000479744 Jy ! Component: 3700 - total flux cleaned = -0.000502016 Jy ! Component: 3750 - total flux cleaned = -0.000479946 Jy ! Component: 3800 - total flux cleaned = -0.000479908 Jy ! Component: 3850 - total flux cleaned = -0.000472629 Jy ! Component: 3900 - total flux cleaned = -0.000451071 Jy ! Component: 3950 - total flux cleaned = -0.000486874 Jy ! Component: 4000 - total flux cleaned = -0.000479658 Jy ! Component: 4050 - total flux cleaned = -0.000486734 Jy ! Total flux subtracted in 4096 components = -0.000479734 Jy ! Clean residual min=-0.000350 max=0.000354 Jy/beam ! Clean residual mean=0.000001 rms=0.000132 Jy/beam ! Combined flux in latest and established models = 0.316322 Jy keep ! Adding 309 model components to the UV plane model. ! The established model now contains 559 components and 0.316322 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1620+4901_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.68 x 5.473 at -18.3 degrees (North through East) ! Clean map min=-0.0010524 max=0.2082 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1620+4901_C_map.fits wmodel /vlbi/sb072/temp_maps//J1620+4901_C_map.mod ! Writing 559 model components to file: /vlbi/sb072/temp_maps//J1620+4901_C_map.mod wobs /vlbi/sb072/temp_maps//J1620+4901_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1620+4901_C_uvs.fits wwins /vlbi/sb072/temp_maps//J1620+4901_C_map.win ! wwins: Wrote 5 windows to /vlbi/sb072/temp_maps//J1620+4901_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.208196 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000131374 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.189304 0.189304 0.378608 0.757215 1.51443 3.02886 6.05772 12.1154 24.2309 48.4618 96.9236 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.208 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1584.75 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1620+4901_C_dfm.log closed on Sat Dec 15 22:24:53 2018