! Started logfile: /vlbi/sb072/temp_maps//J1957-1835_C_dfm.log on Tue Mar 5 23:32:31 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//J1957-1835_C_uvm.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1957-1835_C_uvm.fits ! AN table 1: 46 integrations on 28 of 28 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1957-1835 ! ! 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 85 lines of history. ! ! Reading 10304 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 J1957-1835_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=1.001135Jy sigma=39.254657 ! Fit after self-cal, rms=0.979632Jy sigma=38.307466 ! 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=1.812 mas, bmaj=5.678 mas, bpa=5.74 degrees ! Estimated noise=0.544571 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 = 0.0155194 Jy ! Component: 100 - total flux cleaned = 0.0190227 Jy ! Total flux subtracted in 100 components = 0.0190227 Jy ! Clean residual min=-0.001695 max=0.002048 Jy/beam ! Clean residual mean=-0.000005 rms=0.000461 Jy/beam ! Combined flux in latest and established models = 0.0190227 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0190227 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=0.030435Jy sigma=0.928739 ! Fit after self-cal, rms=0.028739Jy sigma=0.844287 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00280256 Jy ! Component: 100 - total flux cleaned = 0.00413425 Jy ! Total flux subtracted in 100 components = 0.00413425 Jy ! Clean residual min=-0.001727 max=0.001831 Jy/beam ! Clean residual mean=-0.000003 rms=0.000438 Jy/beam ! Combined flux in latest and established models = 0.0231569 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 12 components and 0.0231569 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=0.028340Jy sigma=0.817144 ! Fit after self-cal, rms=0.028342Jy sigma=0.817041 ! 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=2.327 mas, bmaj=6.381 mas, bpa=2.871 degrees ! Estimated noise=0.201292 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 = 0.00174942 Jy ! Component: 100 - total flux cleaned = 0.00273338 Jy ! Component: 150 - total flux cleaned = 0.00335417 Jy ! Component: 200 - total flux cleaned = 0.00374816 Jy ! Total flux subtracted in 200 components = 0.00374816 Jy ! Clean residual min=-0.001098 max=0.001316 Jy/beam ! Clean residual mean=-0.000001 rms=0.000302 Jy/beam ! Combined flux in latest and established models = 0.0269051 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 28 components and 0.0269051 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=0.028250Jy sigma=0.809546 ! Fit after self-cal, rms=0.028264Jy sigma=0.809432 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.327 x 6.381 at 2.871 degrees (North through East) ! Clean map min=-0.0010762 max=0.0238 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.93 HN 1.03 LA 0.86 ! NL 1.23 OV 1.02 PT 1.02 SC 0.79 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.92 HN 0.91 LA 0.91 ! NL 1.10 OV 1.12 PT 0.98 SC 0.84 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.92 HN 0.90 LA 1.04 ! NL 1.00 OV 1.02 PT 1.02 SC 0.95 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.93 HN 0.96 LA 1.03 ! NL 0.95 OV 1.04 PT 0.84 SC 1.00 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.95 HN 0.92 LA 1.00 ! NL 1.06 OV 1.03 PT 0.94 SC 1.03 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 0.95 HN 0.98 LA 1.05 ! NL 1.07 OV 1.10 PT 0.94 SC 1.10 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 0.96 HN 0.95 LA 1.03 ! NL 1.16 OV 1.08 PT 0.91 SC 1.06 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.26 FD 0.94 HN 0.87 LA 1.06 ! NL 1.07 OV 1.04 PT 0.93 SC 1.08 ! ! ! Fit before self-cal, rms=0.028264Jy sigma=0.809432 ! Fit after self-cal, rms=0.027140Jy sigma=0.801906 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.312 mas, bmaj=6.37 mas, bpa=2.49 degrees ! Estimated noise=0.199976 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 = 0.000397033 Jy ! Component: 100 - total flux cleaned = 0.000405763 Jy ! Component: 150 - total flux cleaned = 0.000405783 Jy ! Component: 200 - total flux cleaned = 0.000394307 Jy ! Total flux subtracted in 200 components = 0.000394307 Jy ! Clean residual min=-0.000766 max=0.000958 Jy/beam ! Clean residual mean=0.000005 rms=0.000210 Jy/beam ! Combined flux in latest and established models = 0.0272994 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 41 components and 0.0272994 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=0.027130Jy sigma=0.801765 ! Fit after self-cal, rms=0.027204Jy sigma=0.801184 ! 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=0.027204Jy sigma=0.801184 ! Fit after self-cal, rms=0.025644Jy sigma=0.797167 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.29 mas, bmaj=6.31 mas, bpa=2.708 degrees ! Estimated noise=0.19902 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00017645 Jy ! Component: 100 - total flux cleaned = 0.00021606 Jy ! Component: 150 - total flux cleaned = 0.000244468 Jy ! Component: 200 - total flux cleaned = 0.00026525 Jy ! Total flux subtracted in 200 components = 0.00026525 Jy ! Clean residual min=-0.000689 max=0.000935 Jy/beam ! Clean residual mean=0.000006 rms=0.000189 Jy/beam ! Combined flux in latest and established models = 0.0275646 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 45 components and 0.0275646 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=0.025630Jy sigma=0.797195 ! Fit after self-cal, rms=0.025650Jy sigma=0.796927 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 (-16.5, -27). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000765831 Jy ! Component: 100 - total flux cleaned = 0.0010442 Jy ! Component: 150 - total flux cleaned = 0.00121021 Jy ! Component: 200 - total flux cleaned = 0.00134987 Jy ! Total flux subtracted in 200 components = 0.00134987 Jy ! Clean residual min=-0.000657 max=0.000615 Jy/beam ! Clean residual mean=0.000002 rms=0.000156 Jy/beam ! Combined flux in latest and established models = 0.0289145 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 63 components and 0.0289145 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=0.025618Jy sigma=0.796197 ! Fit after self-cal, rms=0.025615Jy sigma=0.796034 ! 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=0.025615Jy sigma=0.796034 ! Fit after self-cal, rms=0.025372Jy sigma=0.795801 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.276 mas, bmaj=6.281 mas, bpa=2.904 degrees ! Estimated noise=0.197342 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000302162 Jy ! Component: 100 - total flux cleaned = 0.000433703 Jy ! Component: 150 - total flux cleaned = 0.000521009 Jy ! Component: 200 - total flux cleaned = 0.000598096 Jy ! Total flux subtracted in 200 components = 0.000598096 Jy ! Clean residual min=-0.000603 max=0.000570 Jy/beam ! Clean residual mean=0.000002 rms=0.000149 Jy/beam ! Combined flux in latest and established models = 0.0295126 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 80 components and 0.0295126 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=0.025360Jy sigma=0.795674 ! Fit after self-cal, rms=0.025369Jy sigma=0.795640 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 = 0.000107427 Jy ! Component: 100 - total flux cleaned = 0.00014341 Jy ! Component: 150 - total flux cleaned = 0.000169949 Jy ! Component: 200 - total flux cleaned = 0.000194711 Jy ! Total flux subtracted in 200 components = 0.000194711 Jy ! Clean residual min=-0.000597 max=0.000563 Jy/beam ! Clean residual mean=0.000002 rms=0.000147 Jy/beam ! Combined flux in latest and established models = 0.0297073 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 94 components and 0.0297073 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=0.025363Jy sigma=0.795583 ! Fit after self-cal, rms=0.025365Jy sigma=0.795573 ! 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=0.025365Jy sigma=0.795573 ! Fit after self-cal, rms=0.025240Jy sigma=0.795504 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.804 mas, bmaj=8.04 mas, bpa=-6.438 degrees ! Estimated noise=0.223286 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000160781 Jy ! Component: 100 - total flux cleaned = 0.000230084 Jy ! Component: 150 - total flux cleaned = 0.000251192 Jy ! Component: 200 - total flux cleaned = 0.000260482 Jy ! Total flux subtracted in 200 components = 0.000260482 Jy ! Clean residual min=-0.000498 max=0.000560 Jy/beam ! Clean residual mean=0.000002 rms=0.000148 Jy/beam ! Combined flux in latest and established models = 0.0299678 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 106 components and 0.0299678 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=0.025238Jy sigma=0.795445 ! Fit after self-cal, rms=0.025241Jy sigma=0.795431 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 = 7.10429e-05 Jy ! Component: 100 - total flux cleaned = 6.64846e-05 Jy ! Component: 150 - total flux cleaned = 6.22756e-05 Jy ! Component: 200 - total flux cleaned = 6.23301e-05 Jy ! Total flux subtracted in 200 components = 6.23301e-05 Jy ! Clean residual min=-0.000489 max=0.000551 Jy/beam ! Clean residual mean=0.000002 rms=0.000146 Jy/beam ! Combined flux in latest and established models = 0.0300301 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 116 components and 0.0300301 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=0.025240Jy sigma=0.795417 ! Fit after self-cal, rms=0.025241Jy sigma=0.795412 ! 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=2.266 mas, bmaj=6.261 mas, bpa=3.081 degrees ! Estimated noise=0.196631 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.266 x 6.261 at 3.081 degrees (North through East) ! Clean map min=-0.00053683 max=0.023272 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=1.778 mas, bmaj=5.58 mas, bpa=5.663 degrees ! Estimated noise=0.528672 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0165871 Jy ! Component: 100 - total flux cleaned = 0.0206813 Jy ! Component: 150 - total flux cleaned = 0.0228254 Jy ! Component: 200 - total flux cleaned = 0.0238005 Jy ! Total flux subtracted in 200 components = 0.0238005 Jy ! Clean residual min=-0.001301 max=0.001363 Jy/beam ! Clean residual mean=-0.000001 rms=0.000338 Jy/beam ! Combined flux in latest and established models = 0.0238005 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 22 model components to the UV plane model. ! The established model now contains 22 components and 0.0238005 Jy ! Inverting map and beam ! Estimated beam: bmin=2.266 mas, bmaj=6.261 mas, bpa=3.081 degrees ! Estimated noise=0.196631 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 = 0.00167285 Jy ! Component: 100 - total flux cleaned = 0.00265422 Jy ! Component: 150 - total flux cleaned = 0.00331532 Jy ! Component: 200 - total flux cleaned = 0.0038222 Jy ! Total flux subtracted in 200 components = 0.0038222 Jy ! Clean residual min=-0.000731 max=0.000653 Jy/beam ! Clean residual mean=0.000002 rms=0.000181 Jy/beam ! Combined flux in latest and established models = 0.0276227 Jy ! Adding 53 model components to the UV plane model. ! The established model now contains 72 components and 0.0276227 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=3.804 mas, bmaj=8.04 mas, bpa=-6.438 degrees ! Estimated noise=0.223286 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000605321 Jy ! Component: 100 - total flux cleaned = 0.00106654 Jy ! Component: 150 - total flux cleaned = 0.00134223 Jy ! Component: 200 - total flux cleaned = 0.00153099 Jy ! Total flux subtracted in 200 components = 0.00153099 Jy ! Clean residual min=-0.000595 max=0.000564 Jy/beam ! Clean residual mean=0.000003 rms=0.000165 Jy/beam ! Combined flux in latest and established models = 0.0291537 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 = 0.000108614 Jy ! Component: 100 - total flux cleaned = 0.00021123 Jy ! Component: 150 - total flux cleaned = 0.000300388 Jy ! Component: 200 - total flux cleaned = 0.000372037 Jy ! Total flux subtracted in 200 components = 0.000372037 Jy ! Clean residual min=-0.000553 max=0.000554 Jy/beam ! Clean residual mean=0.000002 rms=0.000152 Jy/beam ! Combined flux in latest and established models = 0.0295257 Jy ! Adding 59 model components to the UV plane model. ! The established model now contains 123 components and 0.0295257 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.266 mas, bmaj=6.261 mas, bpa=3.081 degrees ! Estimated noise=0.196631 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.10332e-05 Jy ! Component: 100 - total flux cleaned = 0.000101041 Jy ! Component: 150 - total flux cleaned = 0.000166707 Jy ! Component: 200 - total flux cleaned = 0.000229202 Jy ! Total flux subtracted in 200 components = 0.000229202 Jy ! Clean residual min=-0.000602 max=0.000541 Jy/beam ! Clean residual mean=0.000001 rms=0.000146 Jy/beam ! Combined flux in latest and established models = 0.0297549 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 139 components and 0.0297549 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=0.025236Jy sigma=0.795478 ! Fit after self-cal, rms=0.025236Jy sigma=0.795447 wmodel J1957-1835_C_map.mod ! Writing 139 model components to file: J1957-1835_C_map.mod wobs J1957-1835_C_uvs.fits ! Writing UV FITS file: J1957-1835_C_uvs.fits wwins J1957-1835_C_map.win ! wwins: Wrote 2 windows to J1957-1835_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 = -0.000119081 Jy ! Component: 100 - total flux cleaned = -0.000176331 Jy ! Component: 150 - total flux cleaned = -0.000230647 Jy ! Component: 200 - total flux cleaned = -0.000230764 Jy ! Component: 250 - total flux cleaned = -0.000214036 Jy ! Component: 300 - total flux cleaned = -0.000205766 Jy ! Component: 350 - total flux cleaned = -0.000190115 Jy ! Component: 400 - total flux cleaned = -0.000197632 Jy ! Component: 450 - total flux cleaned = -0.000212343 Jy ! Component: 500 - total flux cleaned = -0.000219492 Jy ! Component: 550 - total flux cleaned = -0.000212354 Jy ! Component: 600 - total flux cleaned = -0.000205479 Jy ! Component: 650 - total flux cleaned = -0.000205434 Jy ! Component: 700 - total flux cleaned = -0.000185421 Jy ! Component: 750 - total flux cleaned = -0.000172387 Jy ! Component: 800 - total flux cleaned = -0.000166001 Jy ! Component: 850 - total flux cleaned = -0.000153316 Jy ! Component: 900 - total flux cleaned = -0.000140957 Jy ! Component: 950 - total flux cleaned = -0.00015316 Jy ! Component: 1000 - total flux cleaned = -0.000147138 Jy ! Component: 1050 - total flux cleaned = -0.000141302 Jy ! Component: 1100 - total flux cleaned = -0.000129693 Jy ! Component: 1150 - total flux cleaned = -0.00013544 Jy ! Component: 1200 - total flux cleaned = -0.000135368 Jy ! Component: 1250 - total flux cleaned = -0.000140942 Jy ! Component: 1300 - total flux cleaned = -0.000157564 Jy ! Component: 1350 - total flux cleaned = -0.000163072 Jy ! Component: 1400 - total flux cleaned = -0.000173846 Jy ! Component: 1450 - total flux cleaned = -0.000189741 Jy ! Component: 1500 - total flux cleaned = -0.000179164 Jy ! Component: 1550 - total flux cleaned = -0.000174028 Jy ! Component: 1600 - total flux cleaned = -0.000189419 Jy ! Component: 1650 - total flux cleaned = -0.000174207 Jy ! Component: 1700 - total flux cleaned = -0.000174229 Jy ! Component: 1750 - total flux cleaned = -0.000164364 Jy ! Component: 1800 - total flux cleaned = -0.000164398 Jy ! Component: 1850 - total flux cleaned = -0.000159552 Jy ! Component: 1900 - total flux cleaned = -0.000164332 Jy ! Component: 1950 - total flux cleaned = -0.000150065 Jy ! Component: 2000 - total flux cleaned = -0.000140682 Jy ! Component: 2050 - total flux cleaned = -0.000126779 Jy ! Component: 2100 - total flux cleaned = -0.000126828 Jy ! Component: 2150 - total flux cleaned = -0.000126794 Jy ! Component: 2200 - total flux cleaned = -0.000117772 Jy ! Component: 2250 - total flux cleaned = -0.000113258 Jy ! Component: 2300 - total flux cleaned = -9.99335e-05 Jy ! Component: 2350 - total flux cleaned = -9.55501e-05 Jy ! Component: 2400 - total flux cleaned = -6.95464e-05 Jy ! Component: 2450 - total flux cleaned = -7.3881e-05 Jy ! Component: 2500 - total flux cleaned = -6.53835e-05 Jy ! Component: 2550 - total flux cleaned = -4.84639e-05 Jy ! Component: 2600 - total flux cleaned = -5.68634e-05 Jy ! Component: 2650 - total flux cleaned = -4.85132e-05 Jy ! Component: 2700 - total flux cleaned = -4.44276e-05 Jy ! Component: 2750 - total flux cleaned = -4.03338e-05 Jy ! Component: 2800 - total flux cleaned = -3.21893e-05 Jy ! Component: 2850 - total flux cleaned = -3.22328e-05 Jy ! Component: 2900 - total flux cleaned = -2.82897e-05 Jy ! Component: 2950 - total flux cleaned = -4.02671e-05 Jy ! Component: 3000 - total flux cleaned = -4.42368e-05 Jy ! Component: 3050 - total flux cleaned = -4.0333e-05 Jy ! Component: 3100 - total flux cleaned = -4.81602e-05 Jy ! Component: 3150 - total flux cleaned = -4.43333e-05 Jy ! Component: 3200 - total flux cleaned = -4.81963e-05 Jy ! Component: 3250 - total flux cleaned = -5.58102e-05 Jy ! Component: 3300 - total flux cleaned = -5.95916e-05 Jy ! Component: 3350 - total flux cleaned = -6.71582e-05 Jy ! Component: 3400 - total flux cleaned = -8.59072e-05 Jy ! Component: 3450 - total flux cleaned = -8.21843e-05 Jy ! Component: 3500 - total flux cleaned = -7.85092e-05 Jy ! Component: 3550 - total flux cleaned = -7.85508e-05 Jy ! Component: 3600 - total flux cleaned = -0.000104234 Jy ! Component: 3650 - total flux cleaned = -0.000111502 Jy ! Component: 3700 - total flux cleaned = -0.000104255 Jy ! Component: 3750 - total flux cleaned = -0.000118685 Jy ! Component: 3800 - total flux cleaned = -0.000133003 Jy ! Component: 3850 - total flux cleaned = -0.000129413 Jy ! Component: 3900 - total flux cleaned = -0.000122303 Jy ! Component: 3950 - total flux cleaned = -0.00013643 Jy ! Component: 4000 - total flux cleaned = -0.000143471 Jy ! Component: 4050 - total flux cleaned = -0.000146984 Jy ! Total flux subtracted in 4096 components = -0.00014697 Jy ! Clean residual min=-0.000193 max=0.000197 Jy/beam ! Clean residual mean=-0.000000 rms=0.000066 Jy/beam ! Combined flux in latest and established models = 0.029608 Jy keep ! Adding 272 model components to the UV plane model. ! The established model now contains 411 components and 0.029608 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1957-1835_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.266 x 6.261 at 3.081 degrees (North through East) ! Clean map min=-0.00040182 max=0.023124 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1957-1835_C_map.fits wmodel /vlbi/sb072/temp_maps//J1957-1835_C_map.mod ! Writing 411 model components to file: /vlbi/sb072/temp_maps//J1957-1835_C_map.mod wobs /vlbi/sb072/temp_maps//J1957-1835_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1957-1835_C_uvs.fits wwins /vlbi/sb072/temp_maps//J1957-1835_C_map.win ! wwins: Wrote 3 windows to /vlbi/sb072/temp_maps//J1957-1835_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0231243 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 6.55248e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.850079 0.850079 1.70016 3.40031 6.80063 13.6013 27.2025 54.405 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.023 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 352.908 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1957-1835_C_dfm.log closed on Tue Mar 5 23:32:36 2019