! Started logfile: /vlbi/uf001/uvm//J1957-3845_S_a_dfm.log on Sun Jan 13 22:24:58 2019 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/uf001/uvm//J1957-3845_S_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1957-3845_S_a_uvm.fits ! AN table 1: 4 integrations on 21 of 21 possible baselines. ! AN table 2: 8 integrations on 21 of 21 possible baselines. ! AN table 3: 16 integrations on 28 of 28 possible baselines. ! AN table 4: 4 integrations on 36 of 36 possible baselines. ! AN table 5: 7 integrations on 28 of 28 possible baselines. ! AN table 6: 7 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.90534 visibilities/baseline/integration-bin. ! Found source: J1957-3845 ! ! There are 3 IFs, and a total of 3 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 ! ! Polarization(s): RR ! ! Read 40 lines of history. ! ! Reading 3357 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 3 channels. ! Selecting polarization: RR, channels: 1..3 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 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 J1957-3845_S_a] 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 4 telescope corrections were flagged in sub-array 2. ! A total of 35 telescope corrections were flagged in sub-array 3. ! A total of 11 telescope corrections were flagged in sub-array 4. ! A total of 26 telescope corrections were flagged in sub-array 5. ! A total of 25 telescope corrections were flagged in sub-array 6. ! ! Correcting IF 2. ! A total of 4 telescope corrections were flagged in sub-array 2. ! A total of 35 telescope corrections were flagged in sub-array 3. ! A total of 11 telescope corrections were flagged in sub-array 4. ! A total of 26 telescope corrections were flagged in sub-array 5. ! A total of 25 telescope corrections were flagged in sub-array 6. ! ! Correcting IF 3. ! A total of 4 telescope corrections were flagged in sub-array 2. ! A total of 35 telescope corrections were flagged in sub-array 3. ! A total of 11 telescope corrections were flagged in sub-array 4. ! A total of 26 telescope corrections were flagged in sub-array 5. ! A total of 25 telescope corrections were flagged in sub-array 6. ! ! Fit before self-cal, rms=1.347560Jy sigma=13.419763 ! Fit after self-cal, rms=0.374553Jy sigma=3.422939 ! 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=2.223 mas, bmaj=6.913 mas, bpa=-3.681 degrees ! Estimated noise=1.97513 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 = 0.644583 Jy ! Component: 100 - total flux cleaned = 0.793263 Jy ! Total flux subtracted in 100 components = 0.793263 Jy ! Clean residual min=-0.079730 max=0.131270 Jy/beam ! Clean residual mean=-0.000701 rms=0.015431 Jy/beam ! Combined flux in latest and established models = 0.793264 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.793264 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.355360Jy sigma=3.399584 ! Fit after self-cal, rms=0.355270Jy sigma=3.399095 ! Inverting map ! Added new window around map position (-4.5, 7.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.111609 Jy ! Component: 100 - total flux cleaned = 0.169087 Jy ! Total flux subtracted in 100 components = 0.169087 Jy ! Clean residual min=-0.069156 max=0.097525 Jy/beam ! Clean residual mean=-0.000358 rms=0.012891 Jy/beam ! Combined flux in latest and established models = 0.96235 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 15 components and 0.96235 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.301592Jy sigma=2.866227 ! Fit after self-cal, rms=0.295688Jy sigma=2.799701 ! 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=2.839 mas, bmaj=8.353 mas, bpa=-2.869 degrees ! Estimated noise=1.4892 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 (-3.5, -6.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0933 Jy ! Component: 100 - total flux cleaned = 0.14613 Jy ! Component: 150 - total flux cleaned = 0.180891 Jy ! Component: 200 - total flux cleaned = 0.196049 Jy ! Total flux subtracted in 200 components = 0.196049 Jy ! Clean residual min=-0.037525 max=0.077099 Jy/beam ! Clean residual mean=-0.000407 rms=0.011436 Jy/beam ! Combined flux in latest and established models = 1.1584 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 37 components and 1.1584 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.264191Jy sigma=2.445139 ! Fit after self-cal, rms=0.262145Jy sigma=2.418211 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.839 x 8.353 at -2.869 degrees (North through East) ! Clean map min=-0.037375 max=0.7741 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! HN 1.36 LA 0.82 MK 0.92 NL 0.97 ! OV 1.72 PT 0.85 SC 0.97 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.65 LA 0.77 MK 0.87 NL 1.12 ! OV 2.03 PT 0.83 SC 0.97 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.92 HN 1.26 KP 0.96 LA 0.92 ! NL 1.13 OV 0.95 PT 0.94 SC 1.06 ! ! Telescope amplitude corrections in sub-array 4: ! FD 0.91 HN 1.58 KP 0.95 LA 0.91 ! MK 1.05 NL 1.20 OV 0.86 PT 0.88 ! SC 1.04 ! ! Telescope amplitude corrections in sub-array 5: ! HN 1.57 KP 1.05 LA 0.93 MK 1.06 ! NL 1.19 OV 0.93 PT 0.91 SC 1.13 ! ! Telescope amplitude corrections in sub-array 6: ! BR 1.57 KP 0.99 LA 0.94 MK 1.00 ! NL 1.38 OV 0.93 PT 0.95 SC 1.05 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! HN 1.58 LA 0.89 MK 0.95 NL 1.02 ! OV 1.77 PT 0.83 SC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.83 LA 0.81 MK 0.89 NL 1.07 ! OV 1.99 PT 0.85 SC 0.94 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.91 HN 1.32 KP 0.97 LA 0.90 ! NL 1.17 OV 0.92 PT 0.94 SC 1.06 ! ! Telescope amplitude corrections in sub-array 4: ! FD 0.94 HN 1.72 KP 0.97 LA 0.91 ! MK 1.02 NL 1.22 OV 0.86 PT 0.88 ! SC 1.06 ! ! Telescope amplitude corrections in sub-array 5: ! HN 1.78 KP 1.05 LA 0.96 MK 1.09 ! NL 1.22 OV 0.90 PT 0.94 SC 1.09 ! ! Telescope amplitude corrections in sub-array 6: ! BR 3.59 KP 1.01 LA 0.93 MK 1.02 ! NL 1.41 OV 0.89 PT 0.92 SC 1.04 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! HN 1.45 LA 0.87 MK 0.96 NL 0.95 ! OV 1.71 PT 0.86 SC 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.91 LA 0.81 MK 0.91 NL 1.01 ! OV 2.10 PT 0.83 SC 0.95 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.95 HN 1.35 KP 0.99 LA 0.90 ! NL 1.13 OV 0.93 PT 0.95 SC 1.07 ! ! Telescope amplitude corrections in sub-array 4: ! FD 0.96 HN 1.44 KP 0.93 LA 0.91 ! MK 1.04 NL 1.16 OV 0.89 PT 0.87 ! SC 1.09 ! ! Telescope amplitude corrections in sub-array 5: ! HN 1.63 KP 1.03 LA 0.95 MK 1.13 ! NL 1.22 OV 0.92 PT 0.95 SC 1.13 ! ! Telescope amplitude corrections in sub-array 6: ! BR 2.70 KP 0.97 LA 0.96 MK 1.06 ! NL 1.46 OV 0.87 PT 0.94 SC 1.09 ! ! ! Fit before self-cal, rms=0.262145Jy sigma=2.418211 ! Fit after self-cal, rms=0.177770Jy sigma=1.229115 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.85 mas, bmaj=8.352 mas, bpa=-2.749 degrees ! Estimated noise=1.55211 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 = -0.0147262 Jy ! Component: 100 - total flux cleaned = -0.0170594 Jy ! Component: 150 - total flux cleaned = -0.0196605 Jy ! Component: 200 - total flux cleaned = -0.0206025 Jy ! Total flux subtracted in 200 components = -0.0206025 Jy ! Clean residual min=-0.017518 max=0.014122 Jy/beam ! Clean residual mean=0.000148 rms=0.003183 Jy/beam ! Combined flux in latest and established models = 1.1378 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 64 components and 1.1378 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.173981Jy sigma=1.203699 ! Fit after self-cal, rms=0.174186Jy sigma=1.197082 ! 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. ! ! Fit before self-cal, rms=0.174186Jy sigma=1.197082 ! Fit after self-cal, rms=0.168446Jy sigma=1.087327 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.85 mas, bmaj=8.35 mas, bpa=-2.722 degrees ! Estimated noise=1.55128 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00822569 Jy ! Component: 100 - total flux cleaned = -0.0105185 Jy ! Component: 150 - total flux cleaned = -0.01188 Jy ! Component: 200 - total flux cleaned = -0.012131 Jy ! Total flux subtracted in 200 components = -0.012131 Jy ! Clean residual min=-0.016073 max=0.012377 Jy/beam ! Clean residual mean=0.000131 rms=0.002842 Jy/beam ! Combined flux in latest and established models = 1.12567 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 80 components and 1.12567 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.166329Jy sigma=1.074255 ! Fit after self-cal, rms=0.165757Jy sigma=1.070917 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 = -0.0022178 Jy ! Component: 100 - total flux cleaned = -0.00267846 Jy ! Component: 150 - total flux cleaned = -0.00288854 Jy ! Component: 200 - total flux cleaned = -0.00308177 Jy ! Total flux subtracted in 200 components = -0.00308177 Jy ! Clean residual min=-0.015523 max=0.012202 Jy/beam ! Clean residual mean=0.000118 rms=0.002729 Jy/beam ! Combined flux in latest and established models = 1.12258 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 91 components and 1.12258 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.164822Jy sigma=1.064663 ! Fit after self-cal, rms=0.164574Jy sigma=1.063387 ! 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. ! ! Fit before self-cal, rms=0.164574Jy sigma=1.063387 ! Fit after self-cal, rms=0.164921Jy sigma=1.048223 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.846 mas, bmaj=8.337 mas, bpa=-2.657 degrees ! Estimated noise=1.55031 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00570655 Jy ! Component: 100 - total flux cleaned = -0.00638182 Jy ! Component: 150 - total flux cleaned = -0.00658336 Jy ! Component: 200 - total flux cleaned = -0.00694588 Jy ! Total flux subtracted in 200 components = -0.00694588 Jy ! Clean residual min=-0.012962 max=0.010911 Jy/beam ! Clean residual mean=0.000097 rms=0.002441 Jy/beam ! Combined flux in latest and established models = 1.11564 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 106 components and 1.11564 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.163792Jy sigma=1.041543 ! Fit after self-cal, rms=0.163471Jy sigma=1.039980 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 = -0.00183685 Jy ! Component: 100 - total flux cleaned = -0.00201762 Jy ! Component: 150 - total flux cleaned = -0.00218189 Jy ! Component: 200 - total flux cleaned = -0.00233258 Jy ! Total flux subtracted in 200 components = -0.00233258 Jy ! Clean residual min=-0.012566 max=0.010761 Jy/beam ! Clean residual mean=0.000087 rms=0.002367 Jy/beam ! Combined flux in latest and established models = 1.11331 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 112 components and 1.11331 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.162908Jy sigma=1.036318 ! Fit after self-cal, rms=0.162775Jy sigma=1.035716 ! 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. ! ! Fit before self-cal, rms=0.162775Jy sigma=1.035716 ! Fit after self-cal, rms=0.164056Jy sigma=1.032915 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.352 mas, bmaj=22.84 mas, bpa=-1.471 degrees ! Estimated noise=2.08654 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00484105 Jy ! Component: 100 - total flux cleaned = -0.00471253 Jy ! Component: 150 - total flux cleaned = -0.00483797 Jy ! Component: 200 - total flux cleaned = -0.00494632 Jy ! Total flux subtracted in 200 components = -0.00494632 Jy ! Clean residual min=-0.013576 max=0.009435 Jy/beam ! Clean residual mean=0.000199 rms=0.002903 Jy/beam ! Combined flux in latest and established models = 1.10836 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 119 components and 1.10836 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.163565Jy sigma=1.030625 ! Fit after self-cal, rms=0.163440Jy sigma=1.030057 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 = -0.00108233 Jy ! Component: 100 - total flux cleaned = -0.000873493 Jy ! Component: 150 - total flux cleaned = -0.000778877 Jy ! Component: 200 - total flux cleaned = -0.00069114 Jy ! Total flux subtracted in 200 components = -0.00069114 Jy ! Clean residual min=-0.013234 max=0.008971 Jy/beam ! Clean residual mean=0.000191 rms=0.002866 Jy/beam ! Combined flux in latest and established models = 1.10767 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 120 components and 1.10767 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.163199Jy sigma=1.029440 ! Fit after self-cal, rms=0.163131Jy sigma=1.028989 ! 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=2.843 mas, bmaj=8.327 mas, bpa=-2.606 degrees ! Estimated noise=1.54874 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.843 x 8.327 at -2.606 degrees (North through East) ! Clean map min=-0.011607 max=0.80889 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. ! ! Fit before self-cal, rms=0.163131Jy sigma=1.028989 ! Fit after self-cal, rms=0.158058Jy sigma=0.949285 ! Inverting map and beam ! Estimated beam: bmin=2.842 mas, bmaj=8.322 mas, bpa=-2.539 degrees ! Estimated noise=1.54698 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00399012 Jy ! Component: 100 - total flux cleaned = -0.00417499 Jy ! Component: 150 - total flux cleaned = -0.00433533 Jy ! Component: 200 - total flux cleaned = -0.00448336 Jy ! Total flux subtracted in 200 components = -0.00448336 Jy ! Clean residual min=-0.011340 max=0.009339 Jy/beam ! Clean residual mean=0.000081 rms=0.002136 Jy/beam ! Combined flux in latest and established models = 1.10319 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 141 components and 1.10319 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.157434Jy sigma=0.944935 ! Fit after self-cal, rms=0.157276Jy sigma=0.944265 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0010014 Jy ! Component: 100 - total flux cleaned = -0.000999499 Jy ! Component: 150 - total flux cleaned = -0.001135 Jy ! Component: 200 - total flux cleaned = -0.00125732 Jy ! Total flux subtracted in 200 components = -0.00125732 Jy ! Clean residual min=-0.011012 max=0.009336 Jy/beam ! Clean residual mean=0.000076 rms=0.002093 Jy/beam ! Combined flux in latest and established models = 1.10193 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 151 components and 1.10193 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.156962Jy sigma=0.941747 ! Fit after self-cal, rms=0.156888Jy sigma=0.941434 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.156888Jy sigma=0.941434 ! Fit after self-cal, rms=0.157861Jy sigma=0.939698 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=2.198 mas, bmaj=6.852 mas, bpa=-3.161 degrees ! Estimated noise=2.04457 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.66565 Jy ! Component: 100 - total flux cleaned = 0.837393 Jy ! Component: 150 - total flux cleaned = 0.916683 Jy ! Component: 200 - total flux cleaned = 0.968103 Jy ! Total flux subtracted in 200 components = 0.968103 Jy ! Clean residual min=-0.022480 max=0.030361 Jy/beam ! Clean residual mean=-0.000225 rms=0.004341 Jy/beam ! Combined flux in latest and established models = 0.968104 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 21 model components to the UV plane model. ! The established model now contains 21 components and 0.968104 Jy ! Inverting map and beam ! Estimated beam: bmin=2.84 mas, bmaj=8.317 mas, bpa=-2.503 degrees ! Estimated noise=1.54497 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 = 0.0519055 Jy ! Component: 100 - total flux cleaned = 0.0811268 Jy ! Component: 150 - total flux cleaned = 0.0982542 Jy ! Component: 200 - total flux cleaned = 0.108613 Jy ! Total flux subtracted in 200 components = 0.108613 Jy ! Clean residual min=-0.011294 max=0.011434 Jy/beam ! Clean residual mean=-0.000006 rms=0.002371 Jy/beam ! Combined flux in latest and established models = 1.07672 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 49 components and 1.07672 Jy ! Inverting map ! Added new window around map position (5.5, -7.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00844622 Jy ! Component: 100 - total flux cleaned = 0.0106384 Jy ! Component: 150 - total flux cleaned = 0.0114476 Jy ! Component: 200 - total flux cleaned = 0.0121637 Jy ! Total flux subtracted in 200 components = 0.0121637 Jy ! Clean residual min=-0.010107 max=0.008391 Jy/beam ! Clean residual mean=0.000045 rms=0.002092 Jy/beam ! Combined flux in latest and established models = 1.08888 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 69 components and 1.08888 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=7.379 mas, bmaj=22.88 mas, bpa=-1.431 degrees ! Estimated noise=2.08082 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00460455 Jy ! Component: 100 - total flux cleaned = 0.00460394 Jy ! Component: 150 - total flux cleaned = 0.00460306 Jy ! Component: 200 - total flux cleaned = 0.0046992 Jy ! Total flux subtracted in 200 components = 0.0046992 Jy ! Clean residual min=-0.010930 max=0.007447 Jy/beam ! Clean residual mean=0.000140 rms=0.002642 Jy/beam ! Combined flux in latest and established models = 1.09358 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 = 2.99624e-08 Jy ! Component: 100 - total flux cleaned = 8.26895e-05 Jy ! Component: 150 - total flux cleaned = 8.30723e-05 Jy ! Component: 200 - total flux cleaned = 0.000163217 Jy ! Total flux subtracted in 200 components = 0.000163217 Jy ! Clean residual min=-0.010725 max=0.007314 Jy/beam ! Clean residual mean=0.000141 rms=0.002618 Jy/beam ! Combined flux in latest and established models = 1.09374 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 84 components and 1.09374 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.84 mas, bmaj=8.317 mas, bpa=-2.503 degrees ! Estimated noise=1.54497 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00175579 Jy ! Component: 100 - total flux cleaned = 0.00122478 Jy ! Component: 150 - total flux cleaned = 0.000746441 Jy ! Component: 200 - total flux cleaned = 0.000314601 Jy ! Total flux subtracted in 200 components = 0.000314601 Jy ! Clean residual min=-0.009312 max=0.008141 Jy/beam ! Clean residual mean=0.000066 rms=0.001961 Jy/beam ! Combined flux in latest and established models = 1.09406 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 102 components and 1.09406 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.156806Jy sigma=0.932569 ! Fit after self-cal, rms=0.156326Jy sigma=0.929676 wmodel J1957-3845_S_a_map.mod ! Writing 102 model components to file: J1957-3845_S_a_map.mod wobs J1957-3845_S_a_uvs.fits ! Writing UV FITS file: J1957-3845_S_a_uvs.fits wwins J1957-3845_S_a_map.win ! wwins: Wrote 4 windows to J1957-3845_S_a_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 = -0.00195997 Jy ! Component: 100 - total flux cleaned = -0.00388551 Jy ! Component: 150 - total flux cleaned = -0.00541625 Jy ! Component: 200 - total flux cleaned = -0.00650505 Jy ! Component: 250 - total flux cleaned = -0.00696864 Jy ! Component: 300 - total flux cleaned = -0.007195 Jy ! Component: 350 - total flux cleaned = -0.00719448 Jy ! Component: 400 - total flux cleaned = -0.00677118 Jy ! Component: 450 - total flux cleaned = -0.00635792 Jy ! Component: 500 - total flux cleaned = -0.00625569 Jy ! Component: 550 - total flux cleaned = -0.00605705 Jy ! Component: 600 - total flux cleaned = -0.00596194 Jy ! Component: 650 - total flux cleaned = -0.00605741 Jy ! Component: 700 - total flux cleaned = -0.005869 Jy ! Component: 750 - total flux cleaned = -0.00596127 Jy ! Component: 800 - total flux cleaned = -0.0061415 Jy ! Component: 850 - total flux cleaned = -0.00622925 Jy ! Component: 900 - total flux cleaned = -0.0063162 Jy ! Component: 950 - total flux cleaned = -0.00631575 Jy ! Component: 1000 - total flux cleaned = -0.0064012 Jy ! Component: 1050 - total flux cleaned = -0.00648513 Jy ! Component: 1100 - total flux cleaned = -0.00640095 Jy ! Component: 1150 - total flux cleaned = -0.00623647 Jy ! Component: 1200 - total flux cleaned = -0.00599365 Jy ! Component: 1250 - total flux cleaned = -0.00591572 Jy ! Component: 1300 - total flux cleaned = -0.0062313 Jy ! Component: 1350 - total flux cleaned = -0.00615243 Jy ! Component: 1400 - total flux cleaned = -0.00592078 Jy ! Component: 1450 - total flux cleaned = -0.00599655 Jy ! Component: 1500 - total flux cleaned = -0.00577236 Jy ! Component: 1550 - total flux cleaned = -0.00607171 Jy ! Component: 1600 - total flux cleaned = -0.00621869 Jy ! Component: 1650 - total flux cleaned = -0.00629105 Jy ! Component: 1700 - total flux cleaned = -0.00650726 Jy ! Component: 1750 - total flux cleaned = -0.00643515 Jy ! Component: 1800 - total flux cleaned = -0.00622333 Jy ! Component: 1850 - total flux cleaned = -0.0065026 Jy ! Component: 1900 - total flux cleaned = -0.00622484 Jy ! Component: 1950 - total flux cleaned = -0.00615618 Jy ! Component: 2000 - total flux cleaned = -0.0062239 Jy ! Component: 2050 - total flux cleaned = -0.00608754 Jy ! Component: 2100 - total flux cleaned = -0.00588784 Jy ! Component: 2150 - total flux cleaned = -0.00608548 Jy ! Component: 2200 - total flux cleaned = -0.00569205 Jy ! Component: 2250 - total flux cleaned = -0.00575619 Jy ! Component: 2300 - total flux cleaned = -0.00562731 Jy ! Component: 2350 - total flux cleaned = -0.00556343 Jy ! Component: 2400 - total flux cleaned = -0.00524617 Jy ! Component: 2450 - total flux cleaned = -0.00524632 Jy ! Component: 2500 - total flux cleaned = -0.00524602 Jy ! Component: 2550 - total flux cleaned = -0.0051837 Jy ! Component: 2600 - total flux cleaned = -0.00506038 Jy ! Component: 2650 - total flux cleaned = -0.0050602 Jy ! Component: 2700 - total flux cleaned = -0.00487863 Jy ! Component: 2750 - total flux cleaned = -0.00487852 Jy ! Component: 2800 - total flux cleaned = -0.00493822 Jy ! Component: 2850 - total flux cleaned = -0.00476067 Jy ! Component: 2900 - total flux cleaned = -0.00470176 Jy ! Component: 2950 - total flux cleaned = -0.00464309 Jy ! Component: 3000 - total flux cleaned = -0.0046439 Jy ! Component: 3050 - total flux cleaned = -0.00441282 Jy ! Component: 3100 - total flux cleaned = -0.00452782 Jy ! Component: 3150 - total flux cleaned = -0.00424269 Jy ! Component: 3200 - total flux cleaned = -0.00424271 Jy ! Component: 3250 - total flux cleaned = -0.00407396 Jy ! Component: 3300 - total flux cleaned = -0.00424191 Jy ! Component: 3350 - total flux cleaned = -0.00418626 Jy ! Component: 3400 - total flux cleaned = -0.0040206 Jy ! Component: 3450 - total flux cleaned = -0.00402076 Jy ! Component: 3500 - total flux cleaned = -0.00413036 Jy ! Component: 3550 - total flux cleaned = -0.00402189 Jy ! Component: 3600 - total flux cleaned = -0.00391399 Jy ! Component: 3650 - total flux cleaned = -0.00369968 Jy ! Component: 3700 - total flux cleaned = -0.00369976 Jy ! Component: 3750 - total flux cleaned = -0.00343527 Jy ! Component: 3800 - total flux cleaned = -0.00332972 Jy ! Component: 3850 - total flux cleaned = -0.00322565 Jy ! Component: 3900 - total flux cleaned = -0.00322568 Jy ! Component: 3950 - total flux cleaned = -0.0028643 Jy ! Component: 4000 - total flux cleaned = -0.00291587 Jy ! Component: 4050 - total flux cleaned = -0.00276272 Jy ! Total flux subtracted in 4096 components = -0.00245827 Jy ! Clean residual min=-0.003081 max=0.003083 Jy/beam ! Clean residual mean=0.000036 rms=0.000965 Jy/beam ! Combined flux in latest and established models = 1.0916 Jy keep ! Adding 300 model components to the UV plane model. ! The established model now contains 402 components and 1.0916 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1957-3845_S_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.84 x 8.317 at -2.503 degrees (North through East) ! Clean map min=-0.0095237 max=0.8342 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1957-3845_S_a_map.fits wmodel /vlbi/uf001/uvm//J1957-3845_S_a_map.mod ! Writing 402 model components to file: /vlbi/uf001/uvm//J1957-3845_S_a_map.mod wobs /vlbi/uf001/uvm//J1957-3845_S_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1957-3845_S_a_uvs.fits wwins /vlbi/uf001/uvm//J1957-3845_S_a_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uvm//J1957-3845_S_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.834199 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000963224 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.346401 0.346401 0.692802 1.3856 2.77121 5.54242 11.0848 22.1697 44.3393 88.6787 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0028 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.834 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 866.048 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1957-3845_S_a_dfm.log closed on Sun Jan 13 22:25:02 2019