! Started logfile: /image_prod/ug002_uvm//J0237+2848_S_b_dfm.log on Wed Mar 4 16:32:27 2020 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 /image_prod/ug002_uvm//J0237+2848_S_b_uvm.fits ! Reading UV FITS file: /image_prod/ug002_uvm//J0237+2848_S_b_uvm.fits ! AN table 1: 41 integrations on 45 of 45 possible baselines. ! AN table 2: 21 integrations on 36 of 36 possible baselines. ! AN table 3: 24 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.834921 visibilities/baseline/integration-bin. ! Found source: J0237+2848 ! ! 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 44 lines of history. ! ! Reading 8679 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 J0237+2848_S_b] 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 45 telescope corrections were flagged in sub-array 1. ! A total of 27 telescope corrections were flagged in sub-array 2. ! A total of 12 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 45 telescope corrections were flagged in sub-array 1. ! A total of 27 telescope corrections were flagged in sub-array 2. ! A total of 12 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 45 telescope corrections were flagged in sub-array 1. ! A total of 27 telescope corrections were flagged in sub-array 2. ! A total of 12 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=2.293523Jy sigma=7.956074 ! Fit after self-cal, rms=1.183488Jy sigma=4.014225 ! 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=2.48 mas, bmaj=5.45 mas, bpa=0.2099 degrees ! Estimated noise=2.66256 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 = 1.25655 Jy ! Component: 100 - total flux cleaned = 1.643 Jy ! Total flux subtracted in 100 components = 1.643 Jy ! Clean residual min=-0.098440 max=0.165062 Jy/beam ! Clean residual mean=-0.000159 rms=0.023428 Jy/beam ! Combined flux in latest and established models = 1.643 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 1.643 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.808230Jy sigma=3.461468 ! Fit after self-cal, rms=0.807923Jy sigma=3.459934 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.185819 Jy ! Component: 100 - total flux cleaned = 0.296866 Jy ! Total flux subtracted in 100 components = 0.296866 Jy ! Clean residual min=-0.106691 max=0.151542 Jy/beam ! Clean residual mean=-0.000103 rms=0.022583 Jy/beam ! Combined flux in latest and established models = 1.93986 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 25 components and 1.93986 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.716086Jy sigma=3.524286 ! Fit after self-cal, rms=0.715817Jy sigma=3.523457 ! Inverting map ! Added new window around map position (2.5, 11.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.127665 Jy ! Component: 100 - total flux cleaned = 0.203871 Jy ! Total flux subtracted in 100 components = 0.203871 Jy ! Clean residual min=-0.098023 max=0.120964 Jy/beam ! Clean residual mean=-0.000098 rms=0.021393 Jy/beam ! Combined flux in latest and established models = 2.14373 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 40 components and 2.14373 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.682552Jy sigma=3.468494 ! Fit after self-cal, rms=0.680764Jy sigma=3.464198 ! 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=3.082 mas, bmaj=6.42 mas, bpa=0.8807 degrees ! Estimated noise=2.07333 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 = 0.0771454 Jy ! Component: 100 - total flux cleaned = 0.123858 Jy ! Component: 150 - total flux cleaned = 0.139218 Jy ! Component: 200 - total flux cleaned = 0.146167 Jy ! Total flux subtracted in 200 components = 0.146167 Jy ! Clean residual min=-0.103934 max=0.119280 Jy/beam ! Clean residual mean=-0.000213 rms=0.029858 Jy/beam ! Combined flux in latest and established models = 2.2899 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 51 components and 2.2899 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.668112Jy sigma=3.449024 ! Fit after self-cal, rms=0.667481Jy sigma=3.447271 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.082 x 6.42 at 0.8807 degrees (North through East) ! Clean map min=-0.10456 max=1.6517 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.93 FD 0.95 HN 0.98 KP 2.27 ! LA 0.92 MK 1.08 NL 0.90 OV 0.94 ! PT 1.02 SC 0.88 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.95 HN 0.95 KP 0.93 ! LA 0.91 MK 0.98 OV 0.92 PT 0.92 ! SC 0.90 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.09 FD 0.89 KP 0.94 LA 0.95 ! MK 0.94 NL 0.98 OV 0.93 PT 0.96 ! SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 2.88 FD 0.95 HN 0.99 KP 2.21 ! LA 0.92 MK 1.10 NL 0.91 OV 0.94 ! PT 0.99 SC 0.90 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 2.06 FD 0.96 HN 0.94 KP 0.89 ! LA 0.91 MK 0.99 OV 0.92 PT 0.89 ! SC 0.98 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.83 FD 0.92 KP 0.91 LA 1.03 ! MK 0.99 NL 0.86 OV 0.90 PT 1.00 ! SC 0.92 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 2.13 FD 0.98 HN 0.99 KP 2.05 ! LA 0.93 MK 1.10 NL 0.88 OV 0.91 ! PT 1.03 SC 0.87 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.61 FD 0.93 HN 0.94 KP 0.89 ! LA 0.90 MK 1.00 OV 0.92 PT 0.91 ! SC 0.88 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.86 FD 0.88 KP 0.95 LA 0.96 ! MK 0.97 NL 1.00 OV 0.90 PT 0.95 ! SC 0.97 ! ! ! Fit before self-cal, rms=0.667481Jy sigma=3.447271 ! Fit after self-cal, rms=1.241658Jy sigma=2.440737 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.019 mas, bmaj=6.468 mas, bpa=1.044 degrees ! Estimated noise=2.23756 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 = 0.107641 Jy ! Component: 100 - total flux cleaned = 0.122686 Jy ! Component: 150 - total flux cleaned = 0.12424 Jy ! Component: 200 - total flux cleaned = 0.126767 Jy ! Total flux subtracted in 200 components = 0.126767 Jy ! Clean residual min=-0.102117 max=0.097362 Jy/beam ! Clean residual mean=0.000091 rms=0.022635 Jy/beam ! Combined flux in latest and established models = 2.41667 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 61 components and 2.41667 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=1.203748Jy sigma=2.467101 ! Fit after self-cal, rms=1.203888Jy sigma=2.466160 ! 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=1.203888Jy sigma=2.466160 ! Fit after self-cal, rms=1.789179Jy sigma=1.162134 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.021 mas, bmaj=6.389 mas, bpa=1.237 degrees ! Estimated noise=2.30843 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0339661 Jy ! Component: 100 - total flux cleaned = 0.0433687 Jy ! Component: 150 - total flux cleaned = 0.0499417 Jy ! Component: 200 - total flux cleaned = 0.0528835 Jy ! Total flux subtracted in 200 components = 0.0528835 Jy ! Clean residual min=-0.037917 max=0.050305 Jy/beam ! Clean residual mean=0.000005 rms=0.009469 Jy/beam ! Combined flux in latest and established models = 2.46955 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 75 components and 2.46955 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=1.779720Jy sigma=1.143106 ! Fit after self-cal, rms=1.780059Jy sigma=1.140419 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 (-2, 12). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0408152 Jy ! Component: 100 - total flux cleaned = 0.0428203 Jy ! Component: 150 - total flux cleaned = 0.0462349 Jy ! Component: 200 - total flux cleaned = 0.0455319 Jy ! Total flux subtracted in 200 components = 0.0455319 Jy ! Clean residual min=-0.035485 max=0.033356 Jy/beam ! Clean residual mean=-0.000000 rms=0.009062 Jy/beam ! Combined flux in latest and established models = 2.51508 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 95 components and 2.51508 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=1.776692Jy sigma=1.119257 ! Fit after self-cal, rms=1.776667Jy sigma=1.117034 ! 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=1.776667Jy sigma=1.117034 ! Fit after self-cal, rms=3.783620Jy sigma=0.476821 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.023 mas, bmaj=6.371 mas, bpa=1.238 degrees ! Estimated noise=2.30768 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0190336 Jy ! Component: 100 - total flux cleaned = 0.020412 Jy ! Component: 150 - total flux cleaned = 0.0215691 Jy ! Component: 200 - total flux cleaned = 0.0231886 Jy ! Total flux subtracted in 200 components = 0.0231886 Jy ! Clean residual min=-0.012593 max=0.012906 Jy/beam ! Clean residual mean=0.000023 rms=0.002469 Jy/beam ! Combined flux in latest and established models = 2.53827 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 111 components and 2.53827 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=3.782630Jy sigma=0.447137 ! Fit after self-cal, rms=3.782662Jy sigma=0.444874 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 = 0.00565931 Jy ! Component: 100 - total flux cleaned = 0.00662438 Jy ! Component: 150 - total flux cleaned = 0.00749767 Jy ! Component: 200 - total flux cleaned = 0.00828569 Jy ! Total flux subtracted in 200 components = 0.00828569 Jy ! Clean residual min=-0.012971 max=0.011861 Jy/beam ! Clean residual mean=0.000023 rms=0.002246 Jy/beam ! Combined flux in latest and established models = 2.54656 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 119 components and 2.54656 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=3.782366Jy sigma=0.433412 ! Fit after self-cal, rms=3.782389Jy sigma=0.432842 ! 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=3.782389Jy sigma=0.432842 ! Fit after self-cal, rms=3.801443Jy sigma=0.427414 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.167 mas, bmaj=9.682 mas, bpa=2.617 degrees ! Estimated noise=3.21453 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0105047 Jy ! Component: 100 - total flux cleaned = 0.0137638 Jy ! Component: 150 - total flux cleaned = 0.0155326 Jy ! Component: 200 - total flux cleaned = 0.0165233 Jy ! Total flux subtracted in 200 components = 0.0165233 Jy ! Clean residual min=-0.009235 max=0.010271 Jy/beam ! Clean residual mean=0.000038 rms=0.002419 Jy/beam ! Combined flux in latest and established models = 2.56308 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 131 components and 2.56308 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=3.801063Jy sigma=0.422748 ! Fit after self-cal, rms=3.801042Jy sigma=0.422075 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 (-18, 65.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00712535 Jy ! Component: 100 - total flux cleaned = 0.0105132 Jy ! Component: 150 - total flux cleaned = 0.0125797 Jy ! Component: 200 - total flux cleaned = 0.0146999 Jy ! Total flux subtracted in 200 components = 0.0146999 Jy ! Clean residual min=-0.008938 max=0.008262 Jy/beam ! Clean residual mean=0.000030 rms=0.002277 Jy/beam ! Combined flux in latest and established models = 2.57778 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 148 components and 2.57778 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=3.800636Jy sigma=0.420275 ! Fit after self-cal, rms=3.800679Jy sigma=0.419928 ! 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=3.022 mas, bmaj=6.356 mas, bpa=1.165 degrees ! Estimated noise=2.31065 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.022 x 6.356 at 1.165 degrees (North through East) ! Clean map min=-0.008422 max=1.8225 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=3.800679Jy sigma=0.419928 ! Fit after self-cal, rms=2.755810Jy sigma=0.319018 ! Inverting map and beam ! Estimated beam: bmin=3.023 mas, bmaj=6.355 mas, bpa=1.047 degrees ! Estimated noise=2.31037 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000577647 Jy ! Component: 100 - total flux cleaned = -0.00158921 Jy ! Component: 150 - total flux cleaned = -0.00187735 Jy ! Component: 200 - total flux cleaned = -0.00158552 Jy ! Total flux subtracted in 200 components = -0.00158552 Jy ! Clean residual min=-0.010123 max=0.008665 Jy/beam ! Clean residual mean=0.000010 rms=0.001604 Jy/beam ! Combined flux in latest and established models = 2.5762 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 163 components and 2.5762 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=2.755676Jy sigma=0.309502 ! Fit after self-cal, rms=2.755622Jy sigma=0.309183 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.87142e-05 Jy ! Component: 100 - total flux cleaned = -0.000459759 Jy ! Component: 150 - total flux cleaned = -0.000208651 Jy ! Component: 200 - total flux cleaned = -0.000209677 Jy ! Total flux subtracted in 200 components = -0.000209677 Jy ! Clean residual min=-0.009370 max=0.008299 Jy/beam ! Clean residual mean=0.000011 rms=0.001512 Jy/beam ! Combined flux in latest and established models = 2.57599 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 170 components and 2.57599 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=2.755511Jy sigma=0.303618 ! Fit after self-cal, rms=2.755483Jy sigma=0.303430 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=2.755483Jy sigma=0.303430 ! Fit after self-cal, rms=2.724675Jy sigma=0.302450 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=2.446 mas, bmaj=5.388 mas, bpa=0.7702 degrees ! Estimated noise=2.86783 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.3551 Jy ! Component: 100 - total flux cleaned = 1.78162 Jy ! Component: 150 - total flux cleaned = 1.98691 Jy ! Component: 200 - total flux cleaned = 2.11293 Jy ! Total flux subtracted in 200 components = 2.11293 Jy ! Clean residual min=-0.027079 max=0.070887 Jy/beam ! Clean residual mean=-0.000026 rms=0.006602 Jy/beam ! Combined flux in latest and established models = 2.11293 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 24 model components to the UV plane model. ! The established model now contains 24 components and 2.11293 Jy ! Inverting map and beam ! Estimated beam: bmin=3.024 mas, bmaj=6.35 mas, bpa=1.008 degrees ! Estimated noise=2.31162 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 = 0.128186 Jy ! Component: 100 - total flux cleaned = 0.214649 Jy ! Component: 150 - total flux cleaned = 0.275269 Jy ! Component: 200 - total flux cleaned = 0.318887 Jy ! Total flux subtracted in 200 components = 0.318887 Jy ! Clean residual min=-0.012272 max=0.024841 Jy/beam ! Clean residual mean=0.000013 rms=0.003110 Jy/beam ! Combined flux in latest and established models = 2.43182 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 57 components and 2.43182 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0327161 Jy ! Component: 100 - total flux cleaned = 0.0577935 Jy ! Component: 150 - total flux cleaned = 0.0771305 Jy ! Component: 200 - total flux cleaned = 0.0921857 Jy ! Total flux subtracted in 200 components = 0.0921857 Jy ! Clean residual min=-0.008761 max=0.008973 Jy/beam ! Clean residual mean=0.000016 rms=0.001823 Jy/beam ! Combined flux in latest and established models = 2.52401 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 88 components and 2.52401 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0122108 Jy ! Component: 100 - total flux cleaned = 0.0219358 Jy ! Component: 150 - total flux cleaned = 0.0275444 Jy ! Component: 200 - total flux cleaned = 0.0307255 Jy ! Total flux subtracted in 200 components = 0.0307255 Jy ! Clean residual min=-0.010006 max=0.007982 Jy/beam ! Clean residual mean=0.000013 rms=0.001578 Jy/beam ! Combined flux in latest and established models = 2.55473 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 104 components and 2.55473 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=7.171 mas, bmaj=9.675 mas, bpa=2.351 degrees ! Estimated noise=3.21451 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00999868 Jy ! Component: 100 - total flux cleaned = 0.0137808 Jy ! Component: 150 - total flux cleaned = 0.0163165 Jy ! Component: 200 - total flux cleaned = 0.0175279 Jy ! Total flux subtracted in 200 components = 0.0175279 Jy ! Clean residual min=-0.006047 max=0.005618 Jy/beam ! Clean residual mean=0.000020 rms=0.001485 Jy/beam ! Combined flux in latest and established models = 2.57226 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 = 0.00118049 Jy ! Component: 100 - total flux cleaned = 0.00188496 Jy ! Component: 150 - total flux cleaned = 0.00253297 Jy ! Component: 200 - total flux cleaned = 0.00303365 Jy ! Total flux subtracted in 200 components = 0.00303365 Jy ! Clean residual min=-0.005876 max=0.005513 Jy/beam ! Clean residual mean=0.000017 rms=0.001431 Jy/beam ! Combined flux in latest and established models = 2.57529 Jy ! Adding 79 model components to the UV plane model. ! The established model now contains 174 components and 2.57529 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.024 mas, bmaj=6.35 mas, bpa=1.008 degrees ! Estimated noise=2.31162 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000754067 Jy ! Component: 100 - total flux cleaned = 0.00102211 Jy ! Component: 150 - total flux cleaned = 0.00242806 Jy ! Component: 200 - total flux cleaned = 0.00351162 Jy ! Total flux subtracted in 200 components = 0.00351162 Jy ! Clean residual min=-0.009372 max=0.006655 Jy/beam ! Clean residual mean=0.000008 rms=0.001411 Jy/beam ! Combined flux in latest and established models = 2.5788 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 183 components and 2.5788 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=2.724384Jy sigma=0.303054 ! Fit after self-cal, rms=2.724453Jy sigma=0.298989 wmodel J0237+2848_S_b_map.mod ! Writing 183 model components to file: J0237+2848_S_b_map.mod wobs J0237+2848_S_b_uvs.fits ! Writing UV FITS file: J0237+2848_S_b_uvs.fits wwins J0237+2848_S_b_map.win ! wwins: Wrote 4 windows to J0237+2848_S_b_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 = -0.00215042 Jy ! Component: 100 - total flux cleaned = -0.00276031 Jy ! Component: 150 - total flux cleaned = -0.00378763 Jy ! Component: 200 - total flux cleaned = -0.00444057 Jy ! Component: 250 - total flux cleaned = -0.00506288 Jy ! Component: 300 - total flux cleaned = -0.00516248 Jy ! Component: 350 - total flux cleaned = -0.00565369 Jy ! Component: 400 - total flux cleaned = -0.00603643 Jy ! Component: 450 - total flux cleaned = -0.00622426 Jy ! Component: 500 - total flux cleaned = -0.00631684 Jy ! Component: 550 - total flux cleaned = -0.00658698 Jy ! Component: 600 - total flux cleaned = -0.00702511 Jy ! Component: 650 - total flux cleaned = -0.00711134 Jy ! Component: 700 - total flux cleaned = -0.00728169 Jy ! Component: 750 - total flux cleaned = -0.00736488 Jy ! Component: 800 - total flux cleaned = -0.0073648 Jy ! Component: 850 - total flux cleaned = -0.0073647 Jy ! Component: 900 - total flux cleaned = -0.0074449 Jy ! Component: 950 - total flux cleaned = -0.00720857 Jy ! Component: 1000 - total flux cleaned = -0.00697575 Jy ! Component: 1050 - total flux cleaned = -0.00712919 Jy ! Component: 1100 - total flux cleaned = -0.00667374 Jy ! Component: 1150 - total flux cleaned = -0.00659759 Jy ! Component: 1200 - total flux cleaned = -0.00622759 Jy ! Component: 1250 - total flux cleaned = -0.00608084 Jy ! Component: 1300 - total flux cleaned = -0.00593568 Jy ! Component: 1350 - total flux cleaned = -0.0060056 Jy ! Component: 1400 - total flux cleaned = -0.00536722 Jy ! Component: 1450 - total flux cleaned = -0.00536804 Jy ! Component: 1500 - total flux cleaned = -0.00550724 Jy ! Component: 1550 - total flux cleaned = -0.005164 Jy ! Component: 1600 - total flux cleaned = -0.00509682 Jy ! Component: 1650 - total flux cleaned = -0.00482775 Jy ! Component: 1700 - total flux cleaned = -0.00482755 Jy ! Component: 1750 - total flux cleaned = -0.00456268 Jy ! Component: 1800 - total flux cleaned = -0.00443091 Jy ! Component: 1850 - total flux cleaned = -0.00416949 Jy ! Component: 1900 - total flux cleaned = -0.00384778 Jy ! Component: 1950 - total flux cleaned = -0.00378316 Jy ! Component: 2000 - total flux cleaned = -0.00359261 Jy ! Component: 2050 - total flux cleaned = -0.00334171 Jy ! Component: 2100 - total flux cleaned = -0.00296882 Jy ! Component: 2150 - total flux cleaned = -0.00284585 Jy ! Component: 2200 - total flux cleaned = -0.00266212 Jy ! Component: 2250 - total flux cleaned = -0.00248015 Jy ! Component: 2300 - total flux cleaned = -0.00266138 Jy ! Component: 2350 - total flux cleaned = -0.00224222 Jy ! Component: 2400 - total flux cleaned = -0.00224175 Jy ! Component: 2450 - total flux cleaned = -0.0018878 Jy ! Component: 2500 - total flux cleaned = -0.00159599 Jy ! Component: 2550 - total flux cleaned = -0.00142208 Jy ! Component: 2600 - total flux cleaned = -0.00130658 Jy ! Component: 2650 - total flux cleaned = -0.00130648 Jy ! Component: 2700 - total flux cleaned = -0.000965323 Jy ! Component: 2750 - total flux cleaned = -0.000909085 Jy ! Component: 2800 - total flux cleaned = -0.000684659 Jy ! Component: 2850 - total flux cleaned = -0.000517358 Jy ! Component: 2900 - total flux cleaned = -0.000241117 Jy ! Component: 2950 - total flux cleaned = -0.000186346 Jy ! Component: 3000 - total flux cleaned = -0.000186556 Jy ! Component: 3050 - total flux cleaned = 3.02843e-05 Jy ! Component: 3100 - total flux cleaned = -2.34637e-05 Jy ! Component: 3150 - total flux cleaned = 8.35361e-05 Jy ! Component: 3200 - total flux cleaned = 0.000349864 Jy ! Component: 3250 - total flux cleaned = 0.000296642 Jy ! Component: 3300 - total flux cleaned = 8.64534e-05 Jy ! Component: 3350 - total flux cleaned = 0.000243928 Jy ! Component: 3400 - total flux cleaned = 0.000452373 Jy ! Component: 3450 - total flux cleaned = 0.000814195 Jy ! Component: 3500 - total flux cleaned = 0.000711648 Jy ! Component: 3550 - total flux cleaned = 0.00081374 Jy ! Component: 3600 - total flux cleaned = 0.000712973 Jy ! Component: 3650 - total flux cleaned = 0.000914537 Jy ! Component: 3700 - total flux cleaned = 0.000613446 Jy ! Component: 3750 - total flux cleaned = 0.000663407 Jy ! Component: 3800 - total flux cleaned = 0.000861719 Jy ! Component: 3850 - total flux cleaned = 0.000762864 Jy ! Component: 3900 - total flux cleaned = 0.000664894 Jy ! Component: 3950 - total flux cleaned = 0.00100572 Jy ! Component: 4000 - total flux cleaned = 0.00110273 Jy ! Component: 4050 - total flux cleaned = 0.000958087 Jy ! Total flux subtracted in 4096 components = 0.0010062 Jy ! Clean residual min=-0.002493 max=0.002668 Jy/beam ! Clean residual mean=0.000001 rms=0.000864 Jy/beam ! Combined flux in latest and established models = 2.57981 Jy keep ! Adding 297 model components to the UV plane model. ! The established model now contains 475 components and 2.57981 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uvm//J0237+2848_S_b_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.024 x 6.35 at 1.008 degrees (North through East) ! Clean map min=-0.0060596 max=1.8309 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uvm//J0237+2848_S_b_map.fits wmodel /image_prod/ug002_uvm//J0237+2848_S_b_map.mod ! Writing 475 model components to file: /image_prod/ug002_uvm//J0237+2848_S_b_map.mod wobs /image_prod/ug002_uvm//J0237+2848_S_b_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uvm//J0237+2848_S_b_uvs.fits wwins /image_prod/ug002_uvm//J0237+2848_S_b_map.win ! wwins: Wrote 5 windows to /image_prod/ug002_uvm//J0237+2848_S_b_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 1.83086 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000864091 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.141588 0.141588 0.283176 0.566351 1.1327 2.2654 4.53081 9.06162 18.1232 36.2465 72.4929 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0025 print "peak= ", int(1000*peak_flux)/1000 ! peak= 1.83 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2118.83 quit ! Quitting program ! Log file /image_prod/ug002_uvm//J0237+2848_S_b_dfm.log closed on Wed Mar 4 16:32:32 2020