! Started logfile: /vlbi/bp222/maps//J1522-2730_S_dfm.log on Thu Sep 27 11:19:00 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//J1522-2730_S_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1522-2730_S_uvm.fits ! AN table 1: 14 integrations on 21 of 21 possible baselines. ! AN table 2: 44 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.870075 visibilities/baseline/integration-bin. ! Found source: J1522-2730 ! ! 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 6536 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 J1522-2730_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 33 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 33 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 33 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 98 telescope corrections were flagged in sub-array 1. ! A total of 222 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.275691Jy sigma=11.437969 ! Fit after self-cal, rms=0.243967Jy sigma=1.983499 ! 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=2.588 mas, bmaj=7.726 mas, bpa=-9.813 degrees ! Estimated noise=1.52222 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 = 0.615406 Jy ! Component: 100 - total flux cleaned = 0.753292 Jy ! Total flux subtracted in 100 components = 0.753292 Jy ! Clean residual min=-0.026116 max=0.046741 Jy/beam ! Clean residual mean=0.000163 rms=0.006875 Jy/beam ! Combined flux in latest and established models = 0.753292 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.753292 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155041Jy sigma=1.418503 ! Fit after self-cal, rms=0.155030Jy sigma=1.418472 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0474486 Jy ! Component: 100 - total flux cleaned = 0.07279 Jy ! Total flux subtracted in 100 components = 0.07279 Jy ! Clean residual min=-0.021425 max=0.030492 Jy/beam ! Clean residual mean=0.000104 rms=0.005298 Jy/beam ! Combined flux in latest and established models = 0.826082 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 9 components and 0.826082 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136224Jy sigma=1.159637 ! Fit after self-cal, rms=0.136190Jy sigma=1.159453 ! 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=3.273 mas, bmaj=9.206 mas, bpa=-10.62 degrees ! Estimated noise=1.17474 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 = 0.0341704 Jy ! Component: 100 - total flux cleaned = 0.0537909 Jy ! Component: 150 - total flux cleaned = 0.0655011 Jy ! Component: 200 - total flux cleaned = 0.0701566 Jy ! Total flux subtracted in 200 components = 0.0701566 Jy ! Clean residual min=-0.021306 max=0.028212 Jy/beam ! Clean residual mean=0.000117 rms=0.005854 Jy/beam ! Combined flux in latest and established models = 0.896239 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 23 components and 0.896239 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.129661Jy sigma=1.041377 ! Fit after self-cal, rms=0.129635Jy sigma=1.041284 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.273 x 9.206 at -10.62 degrees (North through East) ! Clean map min=-0.020688 max=0.78525 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.21 FD 1.02 LA 1.01 MK 0.87 ! NL 1.10 OV 1.05 PT 1.04 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 1.01 HN 1.08 KP 0.92 ! LA 0.90 MK 1.01 NL 1.05 PT 0.97 ! SC 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.93 FD 0.99 LA 1.02 MK 0.88 ! NL 1.22 OV 1.03 PT 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 1.01 HN 1.09 KP 0.93 ! LA 0.91 MK 1.03 NL 1.12 PT 0.98 ! SC 1.04 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.02 LA 1.01 MK 0.95 ! NL 1.24 OV 1.03 PT 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.01 HN 1.08 KP 0.93 ! LA 0.91 MK 1.03 NL 1.05 PT 0.98 ! SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* LA 0.00* MK 0.00* ! NL 0.00* OV 0.00* PT 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.07 HN 1.03 KP 1.00* ! LA 0.99 MK 1.00* NL 1.00* PT 0.98 ! SC 1.00* ! ! ! Fit before self-cal, rms=0.129635Jy sigma=1.041284 ! Fit after self-cal, rms=0.096575Jy sigma=0.728770 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.284 mas, bmaj=9.235 mas, bpa=-10.25 degrees ! Estimated noise=1.18034 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 = -0.00120443 Jy ! Component: 100 - total flux cleaned = -0.00144547 Jy ! Component: 150 - total flux cleaned = -0.00167047 Jy ! Component: 200 - total flux cleaned = -0.00198408 Jy ! Total flux subtracted in 200 components = -0.00198408 Jy ! Clean residual min=-0.007436 max=0.010079 Jy/beam ! Clean residual mean=-0.000066 rms=0.002221 Jy/beam ! Combined flux in latest and established models = 0.894255 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 31 components and 0.894255 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.096337Jy sigma=0.725625 ! Fit after self-cal, rms=0.096429Jy sigma=0.725366 ! 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=0.096429Jy sigma=0.725366 ! Fit after self-cal, rms=0.094892Jy sigma=0.711480 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.287 mas, bmaj=9.235 mas, bpa=-10.23 degrees ! Estimated noise=1.18039 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0010974 Jy ! Component: 100 - total flux cleaned = -0.00137189 Jy ! Component: 150 - total flux cleaned = -0.00162627 Jy ! Component: 200 - total flux cleaned = -0.00178846 Jy ! Total flux subtracted in 200 components = -0.00178846 Jy ! Clean residual min=-0.006856 max=0.008995 Jy/beam ! Clean residual mean=-0.000043 rms=0.001991 Jy/beam ! Combined flux in latest and established models = 0.892466 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 36 components and 0.892466 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.094747Jy sigma=0.709786 ! Fit after self-cal, rms=0.094739Jy sigma=0.709751 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 (-28.5, -105.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00162013 Jy ! Component: 100 - total flux cleaned = -0.000134159 Jy ! Component: 150 - total flux cleaned = -0.00144971 Jy ! Component: 200 - total flux cleaned = -0.00226171 Jy ! Total flux subtracted in 200 components = -0.00226171 Jy ! Clean residual min=-0.006473 max=0.008274 Jy/beam ! Clean residual mean=-0.000047 rms=0.001819 Jy/beam ! Combined flux in latest and established models = 0.890204 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 59 components and 0.890204 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.093762Jy sigma=0.700060 ! Fit after self-cal, rms=0.093735Jy sigma=0.699423 ! Inverting map ! Added new window around map position (40, -68.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00439533 Jy ! Component: 100 - total flux cleaned = 0.00511117 Jy ! Component: 150 - total flux cleaned = 0.00526034 Jy ! Component: 200 - total flux cleaned = 0.00526256 Jy ! Total flux subtracted in 200 components = 0.00526256 Jy ! Clean residual min=-0.006308 max=0.006642 Jy/beam ! Clean residual mean=-0.000048 rms=0.001653 Jy/beam ! Combined flux in latest and established models = 0.895467 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 89 components and 0.895467 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.092951Jy sigma=0.693287 ! Fit after self-cal, rms=0.092881Jy sigma=0.692655 ! 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=0.092881Jy sigma=0.692655 ! Fit after self-cal, rms=0.088493Jy sigma=0.659270 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.285 mas, bmaj=9.234 mas, bpa=-10.19 degrees ! Estimated noise=1.1831 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00162496 Jy ! Component: 100 - total flux cleaned = -0.00197901 Jy ! Component: 150 - total flux cleaned = -0.00229019 Jy ! Component: 200 - total flux cleaned = -0.00250566 Jy ! Total flux subtracted in 200 components = -0.00250566 Jy ! Clean residual min=-0.003580 max=0.003554 Jy/beam ! Clean residual mean=-0.000011 rms=0.000881 Jy/beam ! Combined flux in latest and established models = 0.892961 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 112 components and 0.892961 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088333Jy sigma=0.657898 ! Fit after self-cal, rms=0.088334Jy sigma=0.657808 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 = -0.000442191 Jy ! Component: 100 - total flux cleaned = -0.000640978 Jy ! Component: 150 - total flux cleaned = -0.000829648 Jy ! Component: 200 - total flux cleaned = -0.000949931 Jy ! Total flux subtracted in 200 components = -0.000949931 Jy ! Clean residual min=-0.003475 max=0.003425 Jy/beam ! Clean residual mean=-0.000010 rms=0.000856 Jy/beam ! Combined flux in latest and established models = 0.892012 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 120 components and 0.892011 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088243Jy sigma=0.657058 ! Fit after self-cal, rms=0.088237Jy sigma=0.657029 ! 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=0.088237Jy sigma=0.657029 ! Fit after self-cal, rms=0.088254Jy sigma=0.656830 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.784 mas, bmaj=18.23 mas, bpa=-6.205 degrees ! Estimated noise=1.47758 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00240887 Jy ! Component: 100 - total flux cleaned = -0.00289106 Jy ! Component: 150 - total flux cleaned = -0.00283483 Jy ! Component: 200 - total flux cleaned = -0.00278159 Jy ! Total flux subtracted in 200 components = -0.00278159 Jy ! Clean residual min=-0.003182 max=0.003412 Jy/beam ! Clean residual mean=-0.000020 rms=0.000938 Jy/beam ! Combined flux in latest and established models = 0.88923 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 134 components and 0.88923 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088203Jy sigma=0.656360 ! Fit after self-cal, rms=0.088193Jy sigma=0.656241 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 = -0.000254449 Jy ! Component: 100 - total flux cleaned = -0.000365274 Jy ! Component: 150 - total flux cleaned = -0.00032026 Jy ! Component: 200 - total flux cleaned = -0.000236436 Jy ! Total flux subtracted in 200 components = -0.000236436 Jy ! Clean residual min=-0.003073 max=0.003410 Jy/beam ! Clean residual mean=-0.000019 rms=0.000913 Jy/beam ! Combined flux in latest and established models = 0.888993 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 139 components and 0.888993 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088172Jy sigma=0.656046 ! Fit after self-cal, rms=0.088158Jy sigma=0.655960 ! 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=3.285 mas, bmaj=9.235 mas, bpa=-10.19 degrees ! Estimated noise=1.18265 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.285 x 9.235 at -10.19 degrees (North through East) ! Clean map min=-0.0033718 max=0.79248 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. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088158Jy sigma=0.655960 ! Fit after self-cal, rms=0.081641Jy sigma=0.576990 ! Inverting map and beam ! Estimated beam: bmin=3.284 mas, bmaj=9.23 mas, bpa=-10.18 degrees ! Estimated noise=1.18143 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00105248 Jy ! Component: 100 - total flux cleaned = -0.00129118 Jy ! Component: 150 - total flux cleaned = -0.00145699 Jy ! Component: 200 - total flux cleaned = -0.00161242 Jy ! Total flux subtracted in 200 components = -0.00161242 Jy ! Clean residual min=-0.003299 max=0.002976 Jy/beam ! Clean residual mean=-0.000013 rms=0.000768 Jy/beam ! Combined flux in latest and established models = 0.887381 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 150 components and 0.887381 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.081558Jy sigma=0.576303 ! Fit after self-cal, rms=0.081552Jy sigma=0.576279 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000172843 Jy ! Component: 100 - total flux cleaned = -0.000271456 Jy ! Component: 150 - total flux cleaned = -0.000272234 Jy ! Component: 200 - total flux cleaned = -0.000318663 Jy ! Total flux subtracted in 200 components = -0.000318663 Jy ! Clean residual min=-0.003254 max=0.002905 Jy/beam ! Clean residual mean=-0.000012 rms=0.000755 Jy/beam ! Combined flux in latest and established models = 0.887062 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 155 components and 0.887062 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.081494Jy sigma=0.575821 ! Fit after self-cal, rms=0.081490Jy sigma=0.575805 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.081490Jy sigma=0.575805 ! Fit after self-cal, rms=0.081513Jy sigma=0.575708 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=2.593 mas, bmaj=7.695 mas, bpa=-9.241 degrees ! Estimated noise=1.53828 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.621793 Jy ! Component: 100 - total flux cleaned = 0.759484 Jy ! Component: 150 - total flux cleaned = 0.805431 Jy ! Component: 200 - total flux cleaned = 0.830536 Jy ! Total flux subtracted in 200 components = 0.830536 Jy ! Clean residual min=-0.007584 max=0.014535 Jy/beam ! Clean residual mean=0.000041 rms=0.002044 Jy/beam ! Combined flux in latest and established models = 0.830536 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 15 model components to the UV plane model. ! The established model now contains 15 components and 0.830536 Jy ! Inverting map and beam ! Estimated beam: bmin=3.284 mas, bmaj=9.231 mas, bpa=-10.18 degrees ! Estimated noise=1.18123 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 = 0.0245969 Jy ! Component: 100 - total flux cleaned = 0.0378904 Jy ! Component: 150 - total flux cleaned = 0.0457081 Jy ! Component: 200 - total flux cleaned = 0.0506904 Jy ! Total flux subtracted in 200 components = 0.0506904 Jy ! Clean residual min=-0.004043 max=0.004889 Jy/beam ! Clean residual mean=0.000011 rms=0.001032 Jy/beam ! Combined flux in latest and established models = 0.881227 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 44 components and 0.881227 Jy ! Inverting map ! Added new window around map position (-0.5, -12.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00494069 Jy ! Component: 100 - total flux cleaned = 0.00664642 Jy ! Component: 150 - total flux cleaned = 0.00728749 Jy ! Component: 200 - total flux cleaned = 0.0073834 Jy ! Total flux subtracted in 200 components = 0.0073834 Jy ! Clean residual min=-0.003402 max=0.003438 Jy/beam ! Clean residual mean=-0.000005 rms=0.000804 Jy/beam ! Combined flux in latest and established models = 0.88861 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 72 components and 0.88861 Jy ! Inverting map ! Added new window around map position (-7, 22.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00201133 Jy ! Component: 100 - total flux cleaned = 0.00210112 Jy ! Component: 150 - total flux cleaned = 0.00202024 Jy ! Component: 200 - total flux cleaned = 0.00202126 Jy ! Total flux subtracted in 200 components = 0.00202126 Jy ! Clean residual min=-0.003046 max=0.002678 Jy/beam ! Clean residual mean=-0.000007 rms=0.000739 Jy/beam ! Combined flux in latest and established models = 0.890631 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 94 components and 0.890631 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=7.789 mas, bmaj=18.24 mas, bpa=-6.203 degrees ! Estimated noise=1.47536 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000710668 Jy ! Component: 100 - total flux cleaned = 0.000838935 Jy ! Component: 150 - total flux cleaned = 0.000841093 Jy ! Component: 200 - total flux cleaned = 0.000842869 Jy ! Total flux subtracted in 200 components = 0.000842869 Jy ! Clean residual min=-0.002782 max=0.002792 Jy/beam ! Clean residual mean=-0.000019 rms=0.000765 Jy/beam ! Combined flux in latest and established models = 0.891474 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 = 8.98502e-05 Jy ! Component: 100 - total flux cleaned = 0.000172554 Jy ! Component: 150 - total flux cleaned = 0.000210637 Jy ! Component: 200 - total flux cleaned = 0.000249563 Jy ! Total flux subtracted in 200 components = 0.000249563 Jy ! Clean residual min=-0.002644 max=0.002819 Jy/beam ! Clean residual mean=-0.000020 rms=0.000745 Jy/beam ! Combined flux in latest and established models = 0.891724 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 136 components and 0.891724 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.284 mas, bmaj=9.231 mas, bpa=-10.18 degrees ! Estimated noise=1.18123 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.1336e-05 Jy ! Component: 100 - total flux cleaned = 6.85651e-05 Jy ! Component: 150 - total flux cleaned = 6.85316e-05 Jy ! Component: 200 - total flux cleaned = 0.000124207 Jy ! Total flux subtracted in 200 components = 0.000124207 Jy ! Clean residual min=-0.002585 max=0.002633 Jy/beam ! Clean residual mean=-0.000010 rms=0.000682 Jy/beam ! Combined flux in latest and established models = 0.891848 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 155 components and 0.891848 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.081258Jy sigma=0.574247 ! Fit after self-cal, rms=0.081186Jy sigma=0.573738 wmodel J1522-2730_S_map.mod ! Writing 155 model components to file: J1522-2730_S_map.mod wobs J1522-2730_S_uvs.fits ! Writing UV FITS file: J1522-2730_S_uvs.fits wwins J1522-2730_S_map.win ! wwins: Wrote 5 windows to J1522-2730_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 = -0.000376405 Jy ! Component: 100 - total flux cleaned = -0.000420186 Jy ! Component: 150 - total flux cleaned = -0.000546527 Jy ! Component: 200 - total flux cleaned = -0.000588271 Jy ! Component: 250 - total flux cleaned = -0.000548984 Jy ! Component: 300 - total flux cleaned = -0.000471676 Jy ! Component: 350 - total flux cleaned = -0.000357451 Jy ! Component: 400 - total flux cleaned = -0.000320656 Jy ! Component: 450 - total flux cleaned = -0.000283641 Jy ! Component: 500 - total flux cleaned = -0.000282623 Jy ! Component: 550 - total flux cleaned = -0.000106836 Jy ! Component: 600 - total flux cleaned = 3.05442e-05 Jy ! Component: 650 - total flux cleaned = 0.000131966 Jy ! Component: 700 - total flux cleaned = 0.000198618 Jy ! Component: 750 - total flux cleaned = 0.000264762 Jy ! Component: 800 - total flux cleaned = 0.000458961 Jy ! Component: 850 - total flux cleaned = 0.000586486 Jy ! Component: 900 - total flux cleaned = 0.000680427 Jy ! Component: 950 - total flux cleaned = 0.000742519 Jy ! Component: 1000 - total flux cleaned = 0.00080383 Jy ! Component: 1050 - total flux cleaned = 0.000864052 Jy ! Component: 1100 - total flux cleaned = 0.0010126 Jy ! Component: 1150 - total flux cleaned = 0.00101229 Jy ! Component: 1200 - total flux cleaned = 0.00107018 Jy ! Component: 1250 - total flux cleaned = 0.00112734 Jy ! Component: 1300 - total flux cleaned = 0.0011272 Jy ! Component: 1350 - total flux cleaned = 0.00121106 Jy ! Component: 1400 - total flux cleaned = 0.0012388 Jy ! Component: 1450 - total flux cleaned = 0.00132057 Jy ! Component: 1500 - total flux cleaned = 0.00129329 Jy ! Component: 1550 - total flux cleaned = 0.00126653 Jy ! Component: 1600 - total flux cleaned = 0.00131932 Jy ! Component: 1650 - total flux cleaned = 0.00124087 Jy ! Component: 1700 - total flux cleaned = 0.00116353 Jy ! Component: 1750 - total flux cleaned = 0.00124061 Jy ! Component: 1800 - total flux cleaned = 0.00118942 Jy ! Component: 1850 - total flux cleaned = 0.00123959 Jy ! Component: 1900 - total flux cleaned = 0.00118982 Jy ! Component: 1950 - total flux cleaned = 0.00123933 Jy ! Component: 2000 - total flux cleaned = 0.00121474 Jy ! Component: 2050 - total flux cleaned = 0.00119057 Jy ! Component: 2100 - total flux cleaned = 0.00114253 Jy ! Component: 2150 - total flux cleaned = 0.0011661 Jy ! Component: 2200 - total flux cleaned = 0.00109527 Jy ! Component: 2250 - total flux cleaned = 0.00107204 Jy ! Component: 2300 - total flux cleaned = 0.00102564 Jy ! Component: 2350 - total flux cleaned = 0.000933881 Jy ! Component: 2400 - total flux cleaned = 0.000956528 Jy ! Component: 2450 - total flux cleaned = 0.000911543 Jy ! Component: 2500 - total flux cleaned = 0.000799903 Jy ! Component: 2550 - total flux cleaned = 0.000866527 Jy ! Component: 2600 - total flux cleaned = 0.000734594 Jy ! Component: 2650 - total flux cleaned = 0.000843415 Jy ! Component: 2700 - total flux cleaned = 0.000713751 Jy ! Component: 2750 - total flux cleaned = 0.000671132 Jy ! Component: 2800 - total flux cleaned = 0.000755994 Jy ! Component: 2850 - total flux cleaned = 0.000734853 Jy ! Component: 2900 - total flux cleaned = 0.000755915 Jy ! Component: 2950 - total flux cleaned = 0.000672592 Jy ! Component: 3000 - total flux cleaned = 0.000631704 Jy ! Component: 3050 - total flux cleaned = 0.000631688 Jy ! Component: 3100 - total flux cleaned = 0.000570852 Jy ! Component: 3150 - total flux cleaned = 0.000570811 Jy ! Component: 3200 - total flux cleaned = 0.00059095 Jy ! Component: 3250 - total flux cleaned = 0.000551239 Jy ! Component: 3300 - total flux cleaned = 0.00053149 Jy ! Component: 3350 - total flux cleaned = 0.000453284 Jy ! Component: 3400 - total flux cleaned = 0.00047263 Jy ! Component: 3450 - total flux cleaned = 0.000453443 Jy ! Component: 3500 - total flux cleaned = 0.000396107 Jy ! Component: 3550 - total flux cleaned = 0.000339079 Jy ! Component: 3600 - total flux cleaned = 0.000433582 Jy ! Component: 3650 - total flux cleaned = 0.0003397 Jy ! Component: 3700 - total flux cleaned = 0.000283897 Jy ! Component: 3750 - total flux cleaned = 0.000283853 Jy ! Component: 3800 - total flux cleaned = 0.000247039 Jy ! Component: 3850 - total flux cleaned = 0.000228845 Jy ! Component: 3900 - total flux cleaned = 0.00017433 Jy ! Component: 3950 - total flux cleaned = 0.000192233 Jy ! Component: 4000 - total flux cleaned = 0.000246005 Jy ! Component: 4050 - total flux cleaned = 0.000192657 Jy ! Total flux subtracted in 4096 components = 0.000228033 Jy ! Clean residual min=-0.001049 max=0.001060 Jy/beam ! Clean residual mean=-0.000005 rms=0.000334 Jy/beam ! Combined flux in latest and established models = 0.892076 Jy keep ! Adding 294 model components to the UV plane model. ! The established model now contains 448 components and 0.892076 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1522-2730_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.284 x 9.231 at -10.18 degrees (North through East) ! Clean map min=-0.0028282 max=0.80075 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1522-2730_S_map.fits wmodel /vlbi/bp222/maps//J1522-2730_S_map.mod ! Writing 448 model components to file: /vlbi/bp222/maps//J1522-2730_S_map.mod wobs /vlbi/bp222/maps//J1522-2730_S_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1522-2730_S_uvs.fits wwins /vlbi/bp222/maps//J1522-2730_S_map.win ! wwins: Wrote 6 windows to /vlbi/bp222/maps//J1522-2730_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.80075 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000331593 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.124231 0.124231 0.248462 0.496923 0.993847 1.98769 3.97539 7.95077 15.9015 31.8031 63.6062 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0009 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.8 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2414.86 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1522-2730_S_dfm.log closed on Thu Sep 27 11:19:04 2018