! Started logfile: /vlbi/bp222/maps//J1521+7858_S_dfm.log on Thu Sep 27 11:18:38 2018 float field_size field_size = 1024 float field_cell field_cell = 0.5000 float taper_size taper_size = 20.0 float freq freq = 2.22000 obs /vlbi/bp222/maps//J1521+7858_S_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1521+7858_S_uvm.fits ! AN table 1: 47 integrations on 36 of 36 possible baselines. ! AN table 2: 69 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.953918 visibilities/baseline/integration-bin. ! Found source: J1521+7858 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.22e+09 3.2e+07 1 3.2e+07 ! 02 2 2.252e+09 3.2e+07 1 3.2e+07 ! 03 3 2.284e+09 3.2e+07 1 3.2e+07 ! 04 4 2.348e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 54 lines of history. ! ! Reading 13828 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 4 channels. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.5 print "taper_size =", taper_size ! taper_size = 20 ![@/opt64/bin/pima_mupet_01.dfm J1521+7858_S] 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 0.500x0.500 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 9 telescope corrections were flagged in sub-array 1. ! A total of 14 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! A total of 14 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! A total of 14 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 423 telescope corrections were flagged in sub-array 1. ! A total of 279 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.023859Jy sigma=13.971233 ! Fit after self-cal, rms=0.806934Jy sigma=11.142564 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.951 mas, bmaj=3.723 mas, bpa=29.69 degrees ! Estimated noise=0.779851 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 = 0.14826 Jy ! Component: 100 - total flux cleaned = 0.180703 Jy ! Total flux subtracted in 100 components = 0.180703 Jy ! Clean residual min=-0.008925 max=0.009820 Jy/beam ! Clean residual mean=-0.000004 rms=0.002246 Jy/beam ! Combined flux in latest and established models = 0.180703 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.180703 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.118962Jy sigma=1.050107 ! Fit after self-cal, rms=0.118901Jy sigma=1.049119 ! 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=3.524 mas, bmaj=4.242 mas, bpa=30.29 degrees ! Estimated noise=0.526308 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 = 0.0123325 Jy ! Component: 100 - total flux cleaned = 0.0181916 Jy ! Component: 150 - total flux cleaned = 0.0214236 Jy ! Component: 200 - total flux cleaned = 0.0226379 Jy ! Total flux subtracted in 200 components = 0.0226379 Jy ! Clean residual min=-0.009043 max=0.007274 Jy/beam ! Clean residual mean=-0.000002 rms=0.001940 Jy/beam ! Combined flux in latest and established models = 0.203341 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 22 components and 0.203341 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.116688Jy sigma=1.033515 ! Fit after self-cal, rms=0.116689Jy sigma=1.033388 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.524 x 4.242 at 30.29 degrees (North through East) ! Clean map min=-0.0085262 max=0.19178 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 1.00 KP 0.97 LA 1.00 ! MK 0.92 NL 1.07 OV 0.98 PT 1.01 ! SC 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 1.01 HN 1.01 KP 1.01 ! MK 0.98 NL 0.87 OV 1.03 SC 1.02 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 HN 1.02 KP 0.96 LA 1.01 ! MK 0.93 NL 1.84 OV 1.00 PT 1.02 ! SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 1.00 HN 1.04 KP 1.01 ! MK 1.00 NL 0.44 OV 1.02 SC 0.78 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 HN 1.04 KP 0.97 LA 1.03 ! MK 0.93 NL 1.17 OV 1.00 PT 1.01 ! SC 1.05 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 1.00 HN 1.02 KP 1.04 ! MK 0.98 NL 0.85 OV 1.03 SC 1.01 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* HN 0.00* KP 0.00* LA 0.00* ! MK 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1551.75 HN 1.43 KP 1.00* ! MK 16.86 NL 1.00* OV 1.13 SC 1.00* ! ! ! Fit before self-cal, rms=0.116689Jy sigma=1.033388 ! Fit after self-cal, rms=0.087471Jy sigma=0.828510 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.538 mas, bmaj=4.235 mas, bpa=29.26 degrees ! Estimated noise=0.530387 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 = 5.35015e-06 Jy ! Component: 100 - total flux cleaned = -3.65906e-06 Jy ! Component: 150 - total flux cleaned = -5.48294e-05 Jy ! Component: 200 - total flux cleaned = -0.000191414 Jy ! Total flux subtracted in 200 components = -0.000191414 Jy ! Clean residual min=-0.003679 max=0.003233 Jy/beam ! Clean residual mean=-0.000001 rms=0.000819 Jy/beam ! Combined flux in latest and established models = 0.20315 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 32 components and 0.20315 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.087301Jy sigma=0.827313 ! Fit after self-cal, rms=0.087411Jy sigma=0.826498 ! 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. ! ! Fit before self-cal, rms=0.087411Jy sigma=0.826498 ! Fit after self-cal, rms=0.092196Jy sigma=0.812609 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.539 mas, bmaj=4.247 mas, bpa=29.18 degrees ! Estimated noise=0.537788 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00251918 Jy ! Component: 100 - total flux cleaned = 0.00240371 Jy ! Component: 150 - total flux cleaned = 0.00230032 Jy ! Component: 200 - total flux cleaned = 0.00227056 Jy ! Total flux subtracted in 200 components = 0.00227056 Jy ! Clean residual min=-0.003002 max=0.002682 Jy/beam ! Clean residual mean=-0.000000 rms=0.000684 Jy/beam ! Combined flux in latest and established models = 0.20542 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 37 components and 0.20542 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.091959Jy sigma=0.812186 ! Fit after self-cal, rms=0.091983Jy sigma=0.812142 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 = -8.39928e-05 Jy ! Component: 100 - total flux cleaned = -0.000107946 Jy ! Component: 150 - total flux cleaned = -0.000151067 Jy ! Component: 200 - total flux cleaned = -0.000169713 Jy ! Total flux subtracted in 200 components = -0.000169713 Jy ! Clean residual min=-0.003036 max=0.002696 Jy/beam ! Clean residual mean=-0.000000 rms=0.000683 Jy/beam ! Combined flux in latest and established models = 0.205251 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 39 components and 0.205251 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.091950Jy sigma=0.812076 ! Fit after self-cal, rms=0.091950Jy sigma=0.812071 ! 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. ! ! Fit before self-cal, rms=0.091950Jy sigma=0.812071 ! Fit after self-cal, rms=0.076723Jy sigma=0.789984 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.535 mas, bmaj=4.246 mas, bpa=28.86 degrees ! Estimated noise=0.53746 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.7444e-06 Jy ! Component: 100 - total flux cleaned = 3.11379e-06 Jy ! Component: 150 - total flux cleaned = -2.25675e-05 Jy ! Component: 200 - total flux cleaned = -4.42131e-05 Jy ! Total flux subtracted in 200 components = -4.42131e-05 Jy ! Clean residual min=-0.001631 max=0.002077 Jy/beam ! Clean residual mean=-0.000001 rms=0.000414 Jy/beam ! Combined flux in latest and established models = 0.205206 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 42 components and 0.205206 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076717Jy sigma=0.789919 ! Fit after self-cal, rms=0.076689Jy sigma=0.789798 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 (-125, 74). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00117042 Jy ! Component: 100 - total flux cleaned = 0.00145248 Jy ! Component: 150 - total flux cleaned = 0.00148046 Jy ! Component: 200 - total flux cleaned = 0.00146297 Jy ! Total flux subtracted in 200 components = 0.00146297 Jy ! Clean residual min=-0.001741 max=0.001765 Jy/beam ! Clean residual mean=-0.000001 rms=0.000403 Jy/beam ! Combined flux in latest and established models = 0.206669 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 55 components and 0.206669 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076624Jy sigma=0.789124 ! Fit after self-cal, rms=0.076622Jy sigma=0.789055 ! Inverting map ! Added new window around map position (100, 87). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00135101 Jy ! Component: 100 - total flux cleaned = 0.00160306 Jy ! Component: 150 - total flux cleaned = 0.00166345 Jy ! Component: 200 - total flux cleaned = 0.00166322 Jy ! Total flux subtracted in 200 components = 0.00166322 Jy ! Clean residual min=-0.001725 max=0.001702 Jy/beam ! Clean residual mean=-0.000001 rms=0.000390 Jy/beam ! Combined flux in latest and established models = 0.208333 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 72 components and 0.208333 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076576Jy sigma=0.788490 ! Fit after self-cal, rms=0.076572Jy sigma=0.788454 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 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. ! ! Fit before self-cal, rms=0.076572Jy sigma=0.788454 ! Fit after self-cal, rms=0.076514Jy sigma=0.788349 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.338 mas, bmaj=8.293 mas, bpa=44.65 degrees ! Estimated noise=0.695812 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000691398 Jy ! Component: 100 - total flux cleaned = 0.000922585 Jy ! Component: 150 - total flux cleaned = 0.000974536 Jy ! Component: 200 - total flux cleaned = 0.00101807 Jy ! Total flux subtracted in 200 components = 0.00101807 Jy ! Clean residual min=-0.001771 max=0.001693 Jy/beam ! Clean residual mean=-0.000001 rms=0.000510 Jy/beam ! Combined flux in latest and established models = 0.209351 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 87 components and 0.209351 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076500Jy sigma=0.788269 ! Fit after self-cal, rms=0.076508Jy sigma=0.788254 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 = 0.000123616 Jy ! Component: 100 - total flux cleaned = 0.000163692 Jy ! Component: 150 - total flux cleaned = 0.000175184 Jy ! Component: 200 - total flux cleaned = 0.000197136 Jy ! Total flux subtracted in 200 components = 0.000197136 Jy ! Clean residual min=-0.001778 max=0.001690 Jy/beam ! Clean residual mean=-0.000001 rms=0.000505 Jy/beam ! Combined flux in latest and established models = 0.209548 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 94 components and 0.209548 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076504Jy sigma=0.788261 ! Fit after self-cal, rms=0.076504Jy sigma=0.788258 ! 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=3.535 mas, bmaj=4.244 mas, bpa=28.71 degrees ! Estimated noise=0.537579 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.535 x 4.244 at 28.71 degrees (North through East) ! Clean map min=-0.0016012 max=0.19673 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=2.947 mas, bmaj=3.702 mas, bpa=28.23 degrees ! Estimated noise=0.801533 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.152342 Jy ! Component: 100 - total flux cleaned = 0.185682 Jy ! Component: 150 - total flux cleaned = 0.195639 Jy ! Component: 200 - total flux cleaned = 0.200294 Jy ! Total flux subtracted in 200 components = 0.200294 Jy ! Clean residual min=-0.002818 max=0.002905 Jy/beam ! Clean residual mean=-0.000000 rms=0.000703 Jy/beam ! Combined flux in latest and established models = 0.200294 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.200294 Jy ! Inverting map and beam ! Estimated beam: bmin=3.535 mas, bmaj=4.244 mas, bpa=28.71 degrees ! Estimated noise=0.537579 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 = 0.0032322 Jy ! Component: 100 - total flux cleaned = 0.00530731 Jy ! Component: 150 - total flux cleaned = 0.00630326 Jy ! Component: 200 - total flux cleaned = 0.00696951 Jy ! Total flux subtracted in 200 components = 0.00696951 Jy ! Clean residual min=-0.001719 max=0.001799 Jy/beam ! Clean residual mean=-0.000001 rms=0.000404 Jy/beam ! Combined flux in latest and established models = 0.207263 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 33 components and 0.207263 Jy ! Inverting map ! Added new window around map position (-3, 8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00145813 Jy ! Component: 100 - total flux cleaned = 0.0019594 Jy ! Component: 150 - total flux cleaned = 0.0022883 Jy ! Component: 200 - total flux cleaned = 0.00247746 Jy ! Total flux subtracted in 200 components = 0.00247746 Jy ! Clean residual min=-0.001626 max=0.001702 Jy/beam ! Clean residual mean=-0.000001 rms=0.000382 Jy/beam ! Combined flux in latest and established models = 0.209741 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 49 components and 0.209741 Jy ! Inverting map ! Added new window around map position (95, -48). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00133238 Jy ! Component: 100 - total flux cleaned = 0.00165404 Jy ! Component: 150 - total flux cleaned = 0.00191684 Jy ! Component: 200 - total flux cleaned = 0.00207168 Jy ! Total flux subtracted in 200 components = 0.00207168 Jy ! Clean residual min=-0.001568 max=0.001517 Jy/beam ! Clean residual mean=-0.000000 rms=0.000368 Jy/beam ! Combined flux in latest and established models = 0.211812 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 60 components and 0.211812 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.338 mas, bmaj=8.293 mas, bpa=44.65 degrees ! Estimated noise=0.695812 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000811872 Jy ! Component: 100 - total flux cleaned = 0.000906625 Jy ! Component: 150 - total flux cleaned = 0.000927209 Jy ! Component: 200 - total flux cleaned = 0.00101356 Jy ! Total flux subtracted in 200 components = 0.00101356 Jy ! Clean residual min=-0.001798 max=0.001594 Jy/beam ! Clean residual mean=0.000000 rms=0.000460 Jy/beam ! Combined flux in latest and established models = 0.212826 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 = 6.25354e-05 Jy ! Component: 100 - total flux cleaned = 4.86892e-05 Jy ! Component: 150 - total flux cleaned = 4.98774e-05 Jy ! Component: 200 - total flux cleaned = 5.03122e-05 Jy ! Total flux subtracted in 200 components = 5.03122e-05 Jy ! Clean residual min=-0.001781 max=0.001574 Jy/beam ! Clean residual mean=0.000000 rms=0.000455 Jy/beam ! Combined flux in latest and established models = 0.212876 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 91 components and 0.212876 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.535 mas, bmaj=4.244 mas, bpa=28.71 degrees ! Estimated noise=0.537579 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.59717e-05 Jy ! Component: 100 - total flux cleaned = -3.6048e-05 Jy ! Component: 150 - total flux cleaned = 1.51574e-05 Jy ! Component: 200 - total flux cleaned = 6.20927e-05 Jy ! Total flux subtracted in 200 components = 6.20927e-05 Jy ! Clean residual min=-0.001519 max=0.001424 Jy/beam ! Clean residual mean=-0.000000 rms=0.000357 Jy/beam ! Combined flux in latest and established models = 0.212938 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 108 components and 0.212938 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076464Jy sigma=0.787405 ! Fit after self-cal, rms=0.076463Jy sigma=0.787305 wmodel J1521+7858_S_map.mod ! Writing 108 model components to file: J1521+7858_S_map.mod wobs J1521+7858_S_uvs.fits ! Writing UV FITS file: J1521+7858_S_uvs.fits wwins J1521+7858_S_map.win ! wwins: Wrote 5 windows to J1521+7858_S_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 = 2.22888e-05 Jy ! Component: 100 - total flux cleaned = 4.942e-05 Jy ! Component: 150 - total flux cleaned = 0.000124196 Jy ! Component: 200 - total flux cleaned = 0.00010044 Jy ! Component: 250 - total flux cleaned = 7.72751e-05 Jy ! Component: 300 - total flux cleaned = 0.000100078 Jy ! Component: 350 - total flux cleaned = 7.7902e-05 Jy ! Component: 400 - total flux cleaned = 5.62123e-05 Jy ! Component: 450 - total flux cleaned = 7.76762e-05 Jy ! Component: 500 - total flux cleaned = 5.68981e-05 Jy ! Component: 550 - total flux cleaned = 1.56293e-05 Jy ! Component: 600 - total flux cleaned = -4.52268e-05 Jy ! Component: 650 - total flux cleaned = -4.51363e-05 Jy ! Component: 700 - total flux cleaned = -0.00010441 Jy ! Component: 750 - total flux cleaned = -0.000143199 Jy ! Component: 800 - total flux cleaned = -0.000219912 Jy ! Component: 850 - total flux cleaned = -0.000143698 Jy ! Component: 900 - total flux cleaned = -0.000143865 Jy ! Component: 950 - total flux cleaned = -0.000143776 Jy ! Component: 1000 - total flux cleaned = -0.000125425 Jy ! Component: 1050 - total flux cleaned = -0.000161592 Jy ! Component: 1100 - total flux cleaned = -0.000179457 Jy ! Component: 1150 - total flux cleaned = -0.000197253 Jy ! Component: 1200 - total flux cleaned = -0.000249617 Jy ! Component: 1250 - total flux cleaned = -0.000232268 Jy ! Component: 1300 - total flux cleaned = -0.000214867 Jy ! Component: 1350 - total flux cleaned = -0.000232331 Jy ! Component: 1400 - total flux cleaned = -0.000299875 Jy ! Component: 1450 - total flux cleaned = -0.000283231 Jy ! Component: 1500 - total flux cleaned = -0.000283132 Jy ! Component: 1550 - total flux cleaned = -0.000316254 Jy ! Component: 1600 - total flux cleaned = -0.000365057 Jy ! Component: 1650 - total flux cleaned = -0.000365076 Jy ! Component: 1700 - total flux cleaned = -0.000397004 Jy ! Component: 1750 - total flux cleaned = -0.000396894 Jy ! Component: 1800 - total flux cleaned = -0.000396664 Jy ! Component: 1850 - total flux cleaned = -0.000459221 Jy ! Component: 1900 - total flux cleaned = -0.000443722 Jy ! Component: 1950 - total flux cleaned = -0.000489668 Jy ! Component: 2000 - total flux cleaned = -0.000550709 Jy ! Component: 2050 - total flux cleaned = -0.000550671 Jy ! Component: 2100 - total flux cleaned = -0.000520641 Jy ! Component: 2150 - total flux cleaned = -0.000595307 Jy ! Component: 2200 - total flux cleaned = -0.000595165 Jy ! Component: 2250 - total flux cleaned = -0.000624537 Jy ! Component: 2300 - total flux cleaned = -0.00061001 Jy ! Component: 2350 - total flux cleaned = -0.000638919 Jy ! Component: 2400 - total flux cleaned = -0.000567044 Jy ! Component: 2450 - total flux cleaned = -0.000595328 Jy ! Component: 2500 - total flux cleaned = -0.000595423 Jy ! Component: 2550 - total flux cleaned = -0.000567212 Jy ! Component: 2600 - total flux cleaned = -0.000567227 Jy ! Component: 2650 - total flux cleaned = -0.000608859 Jy ! Component: 2700 - total flux cleaned = -0.000581251 Jy ! Component: 2750 - total flux cleaned = -0.000526393 Jy ! Component: 2800 - total flux cleaned = -0.000539951 Jy ! Component: 2850 - total flux cleaned = -0.000567013 Jy ! Component: 2900 - total flux cleaned = -0.000499701 Jy ! Component: 2950 - total flux cleaned = -0.00047269 Jy ! Component: 3000 - total flux cleaned = -0.000472925 Jy ! Component: 3050 - total flux cleaned = -0.000420067 Jy ! Component: 3100 - total flux cleaned = -0.000393838 Jy ! Component: 3150 - total flux cleaned = -0.000367736 Jy ! Component: 3200 - total flux cleaned = -0.000341885 Jy ! Component: 3250 - total flux cleaned = -0.000354782 Jy ! Component: 3300 - total flux cleaned = -0.000265123 Jy ! Component: 3350 - total flux cleaned = -0.000278012 Jy ! Component: 3400 - total flux cleaned = -0.000227391 Jy ! Component: 3450 - total flux cleaned = -0.000239884 Jy ! Component: 3500 - total flux cleaned = -0.00017735 Jy ! Component: 3550 - total flux cleaned = -0.000152377 Jy ! Component: 3600 - total flux cleaned = -0.000102831 Jy ! Component: 3650 - total flux cleaned = -0.000176757 Jy ! Component: 3700 - total flux cleaned = -0.000127714 Jy ! Component: 3750 - total flux cleaned = -0.000103353 Jy ! Component: 3800 - total flux cleaned = -5.48272e-05 Jy ! Component: 3850 - total flux cleaned = -4.2703e-05 Jy ! Component: 3900 - total flux cleaned = -1.87517e-05 Jy ! Component: 3950 - total flux cleaned = -4.26252e-05 Jy ! Component: 4000 - total flux cleaned = 5.24174e-05 Jy ! Component: 4050 - total flux cleaned = 2.88099e-05 Jy ! Total flux subtracted in 4096 components = 4.05796e-05 Jy ! Clean residual min=-0.000709 max=0.000957 Jy/beam ! Clean residual mean=0.000000 rms=0.000207 Jy/beam ! Combined flux in latest and established models = 0.212979 Jy keep ! Adding 295 model components to the UV plane model. ! The established model now contains 403 components and 0.212979 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1521+7858_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.535 x 4.244 at 28.71 degrees (North through East) ! Clean map min=-0.0011679 max=0.19696 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1521+7858_S_map.fits wmodel /vlbi/bp222/maps//J1521+7858_S_map.mod ! Writing 403 model components to file: /vlbi/bp222/maps//J1521+7858_S_map.mod wobs /vlbi/bp222/maps//J1521+7858_S_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1521+7858_S_uvs.fits wwins /vlbi/bp222/maps//J1521+7858_S_map.win ! wwins: Wrote 6 windows to /vlbi/bp222/maps//J1521+7858_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.196955 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000206288 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.314215 0.314215 0.628429 1.25686 2.51372 5.02744 10.0549 20.1097 40.2195 80.439 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.196 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 954.761 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1521+7858_S_dfm.log closed on Thu Sep 27 11:18:43 2018