! Started logfile: /image_prod/ug002_uva//J1657+4808_S_dfm.log on Thu Mar 5 03:01:35 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_uva//J1657+4808_S_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1657+4808_S_uva.fits ! AN table 1: 60 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.898889 visibilities/baseline/integration-bin. ! Found source: J1657+4808 ! ! 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 7281 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 J1657+4808_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 1. ! ! Correcting IF 2. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.252238Jy sigma=7.987180 ! Fit after self-cal, rms=0.338354Jy sigma=2.201680 ! 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=3.092 mas, bmaj=4.786 mas, bpa=-20.51 degrees ! Estimated noise=1.94825 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 = 0.527553 Jy ! Component: 100 - total flux cleaned = 0.645016 Jy ! Total flux subtracted in 100 components = 0.645016 Jy ! Clean residual min=-0.018448 max=0.046540 Jy/beam ! Clean residual mean=-0.000132 rms=0.005614 Jy/beam ! Combined flux in latest and established models = 0.645016 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.645016 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.191329Jy sigma=0.888871 ! Fit after self-cal, rms=0.191318Jy sigma=0.888807 ! Inverting map ! Added new window around map position (-6, -2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.050154 Jy ! Component: 100 - total flux cleaned = 0.0807032 Jy ! Total flux subtracted in 100 components = 0.0807032 Jy ! Clean residual min=-0.016415 max=0.026049 Jy/beam ! Clean residual mean=-0.000078 rms=0.004164 Jy/beam ! Combined flux in latest and established models = 0.725719 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 23 components and 0.725719 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.171872Jy sigma=0.726045 ! Fit after self-cal, rms=0.170523Jy sigma=0.717055 ! 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=3.695 mas, bmaj=5.377 mas, bpa=-20.88 degrees ! Estimated noise=1.3053 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 = 0.031538 Jy ! Component: 100 - total flux cleaned = 0.0495445 Jy ! Component: 150 - total flux cleaned = 0.0606074 Jy ! Component: 200 - total flux cleaned = 0.0670831 Jy ! Total flux subtracted in 200 components = 0.0670831 Jy ! Clean residual min=-0.016535 max=0.015345 Jy/beam ! Clean residual mean=-0.000027 rms=0.003489 Jy/beam ! Combined flux in latest and established models = 0.792802 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 55 components and 0.792802 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.162715Jy sigma=0.664164 ! Fit after self-cal, rms=0.162043Jy sigma=0.658453 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.695 x 5.377 at -20.88 degrees (North through East) ! Clean map min=-0.015877 max=0.67855 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 HN 1.02 KP 1.00 ! LA 1.02 MK 1.02 NL 0.95 OV 1.01 ! PT 0.98 SC 1.06 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.03 HN 1.02 KP 0.99 ! LA 1.02 MK 1.02 NL 0.90 OV 0.95 ! PT 0.99 SC 0.81 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.03 HN 1.01 KP 1.01 ! LA 0.99 MK 0.99 NL 1.09 OV 1.01 ! PT 0.98 SC 1.06 ! ! ! Fit before self-cal, rms=0.162043Jy sigma=0.658453 ! Fit after self-cal, rms=0.125071Jy sigma=0.604159 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.7 mas, bmaj=5.363 mas, bpa=-20.63 degrees ! Estimated noise=1.31043 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 = 0.00944541 Jy ! Component: 100 - total flux cleaned = 0.0110679 Jy ! Component: 150 - total flux cleaned = 0.0118125 Jy ! Component: 200 - total flux cleaned = 0.0122893 Jy ! Total flux subtracted in 200 components = 0.0122893 Jy ! Clean residual min=-0.014716 max=0.015043 Jy/beam ! Clean residual mean=-0.000027 rms=0.003211 Jy/beam ! Combined flux in latest and established models = 0.805091 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 61 components and 0.805091 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.123846Jy sigma=0.598823 ! Fit after self-cal, rms=0.123742Jy sigma=0.598154 ! 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=0.123742Jy sigma=0.598154 ! Fit after self-cal, rms=0.084821Jy sigma=0.443768 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.705 mas, bmaj=5.31 mas, bpa=-20.23 degrees ! Estimated noise=1.3222 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00744928 Jy ! Component: 100 - total flux cleaned = 0.00962669 Jy ! Component: 150 - total flux cleaned = 0.00986679 Jy ! Component: 200 - total flux cleaned = 0.00986805 Jy ! Total flux subtracted in 200 components = 0.00986805 Jy ! Clean residual min=-0.007619 max=0.010425 Jy/beam ! Clean residual mean=-0.000018 rms=0.001830 Jy/beam ! Combined flux in latest and established models = 0.814959 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 78 components and 0.814959 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.083802Jy sigma=0.440002 ! Fit after self-cal, rms=0.083773Jy sigma=0.439798 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 (-15, -4.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0103447 Jy ! Component: 100 - total flux cleaned = 0.0153808 Jy ! Component: 150 - total flux cleaned = 0.0167037 Jy ! Component: 200 - total flux cleaned = 0.0172631 Jy ! Total flux subtracted in 200 components = 0.0172631 Jy ! Clean residual min=-0.007020 max=0.006393 Jy/beam ! Clean residual mean=-0.000009 rms=0.001620 Jy/beam ! Combined flux in latest and established models = 0.832222 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 101 components and 0.832222 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.082320Jy sigma=0.429201 ! Fit after self-cal, rms=0.082238Jy sigma=0.428713 ! 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=0.082238Jy sigma=0.428713 ! Fit after self-cal, rms=0.064904Jy sigma=0.375898 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.691 mas, bmaj=5.303 mas, bpa=-20.01 degrees ! Estimated noise=1.31841 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00353672 Jy ! Component: 100 - total flux cleaned = 0.00546357 Jy ! Component: 150 - total flux cleaned = 0.0068737 Jy ! Component: 200 - total flux cleaned = 0.00822457 Jy ! Total flux subtracted in 200 components = 0.00822457 Jy ! Clean residual min=-0.003612 max=0.004332 Jy/beam ! Clean residual mean=-0.000018 rms=0.000875 Jy/beam ! Combined flux in latest and established models = 0.840447 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 118 components and 0.840447 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.064268Jy sigma=0.371754 ! Fit after self-cal, rms=0.064209Jy sigma=0.371451 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 (-23.5, 5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0041139 Jy ! Component: 100 - total flux cleaned = 0.00582709 Jy ! Component: 150 - total flux cleaned = 0.00696029 Jy ! Component: 200 - total flux cleaned = 0.00792818 Jy ! Total flux subtracted in 200 components = 0.00792818 Jy ! Clean residual min=-0.003345 max=0.003805 Jy/beam ! Clean residual mean=-0.000015 rms=0.000794 Jy/beam ! Combined flux in latest and established models = 0.848375 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 134 components and 0.848375 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.063903Jy sigma=0.369217 ! Fit after self-cal, rms=0.063895Jy sigma=0.369126 ! Inverting map ! Added new window around map position (-12.5, -23.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00365293 Jy ! Component: 100 - total flux cleaned = 0.00566988 Jy ! Component: 150 - total flux cleaned = 0.00707718 Jy ! Component: 200 - total flux cleaned = 0.00785335 Jy ! Total flux subtracted in 200 components = 0.00785335 Jy ! Clean residual min=-0.003145 max=0.002786 Jy/beam ! Clean residual mean=-0.000013 rms=0.000722 Jy/beam ! Combined flux in latest and established models = 0.856229 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 152 components and 0.856229 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.063664Jy sigma=0.367415 ! Fit after self-cal, rms=0.063662Jy sigma=0.367387 ! 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=0.063662Jy sigma=0.367387 ! Fit after self-cal, rms=0.063430Jy sigma=0.366635 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.077 mas, bmaj=9.001 mas, bpa=-34.22 degrees ! Estimated noise=1.64526 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00238355 Jy ! Component: 100 - total flux cleaned = 0.0041517 Jy ! Component: 150 - total flux cleaned = 0.00556494 Jy ! Component: 200 - total flux cleaned = 0.00673143 Jy ! Total flux subtracted in 200 components = 0.00673143 Jy ! Clean residual min=-0.002956 max=0.003414 Jy/beam ! Clean residual mean=-0.000024 rms=0.000911 Jy/beam ! Combined flux in latest and established models = 0.86296 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 175 components and 0.86296 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.063373Jy sigma=0.366219 ! Fit after self-cal, rms=0.063368Jy sigma=0.366183 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 = 0.00115493 Jy ! Component: 100 - total flux cleaned = 0.00195851 Jy ! Component: 150 - total flux cleaned = 0.00237285 Jy ! Component: 200 - total flux cleaned = 0.00257964 Jy ! Total flux subtracted in 200 components = 0.00257964 Jy ! Clean residual min=-0.002875 max=0.003312 Jy/beam ! Clean residual mean=-0.000023 rms=0.000888 Jy/beam ! Combined flux in latest and established models = 0.86554 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 187 components and 0.86554 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.063349Jy sigma=0.366085 ! Fit after self-cal, rms=0.063349Jy sigma=0.366077 ! 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=3.688 mas, bmaj=5.298 mas, bpa=-19.98 degrees ! Estimated noise=1.31719 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.688 x 5.298 at -19.98 degrees (North through East) ! Clean map min=-0.0026697 max=0.68583 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=0.063349Jy sigma=0.366077 ! Fit after self-cal, rms=0.059338Jy sigma=0.336943 ! Inverting map and beam ! Estimated beam: bmin=3.686 mas, bmaj=5.296 mas, bpa=-19.98 degrees ! Estimated noise=1.31774 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000417608 Jy ! Component: 100 - total flux cleaned = 0.000474604 Jy ! Component: 150 - total flux cleaned = 0.000476199 Jy ! Component: 200 - total flux cleaned = 0.00052281 Jy ! Total flux subtracted in 200 components = 0.00052281 Jy ! Clean residual min=-0.002743 max=0.002485 Jy/beam ! Clean residual mean=-0.000010 rms=0.000632 Jy/beam ! Combined flux in latest and established models = 0.866063 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 204 components and 0.866062 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059246Jy sigma=0.336413 ! Fit after self-cal, rms=0.059243Jy sigma=0.336392 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000130572 Jy ! Component: 100 - total flux cleaned = 0.000213332 Jy ! Component: 150 - total flux cleaned = 0.000212453 Jy ! Component: 200 - total flux cleaned = 0.000286684 Jy ! Total flux subtracted in 200 components = 0.000286684 Jy ! Clean residual min=-0.002714 max=0.002429 Jy/beam ! Clean residual mean=-0.000010 rms=0.000622 Jy/beam ! Combined flux in latest and established models = 0.866349 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 220 components and 0.866349 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059190Jy sigma=0.336102 ! Fit after self-cal, rms=0.059189Jy sigma=0.336093 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059189Jy sigma=0.336093 ! Fit after self-cal, rms=0.059172Jy sigma=0.336020 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=3.093 mas, bmaj=4.709 mas, bpa=-19.68 degrees ! Estimated noise=1.98145 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.536126 Jy ! Component: 100 - total flux cleaned = 0.657041 Jy ! Component: 150 - total flux cleaned = 0.710679 Jy ! Component: 200 - total flux cleaned = 0.744558 Jy ! Total flux subtracted in 200 components = 0.744558 Jy ! Clean residual min=-0.007883 max=0.017998 Jy/beam ! Clean residual mean=-0.000085 rms=0.002339 Jy/beam ! Combined flux in latest and established models = 0.744558 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 22 model components to the UV plane model. ! The established model now contains 22 components and 0.744558 Jy ! Inverting map and beam ! Estimated beam: bmin=3.685 mas, bmaj=5.294 mas, bpa=-19.97 degrees ! Estimated noise=1.31773 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 = 0.0303343 Jy ! Component: 100 - total flux cleaned = 0.0498427 Jy ! Component: 150 - total flux cleaned = 0.0634644 Jy ! Component: 200 - total flux cleaned = 0.0735181 Jy ! Total flux subtracted in 200 components = 0.0735181 Jy ! Clean residual min=-0.004529 max=0.006131 Jy/beam ! Clean residual mean=-0.000031 rms=0.001164 Jy/beam ! Combined flux in latest and established models = 0.818076 Jy ! Adding 70 model components to the UV plane model. ! The established model now contains 86 components and 0.818076 Jy ! Inverting map ! Added new window around map position (-16, 4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00784248 Jy ! Component: 100 - total flux cleaned = 0.0140461 Jy ! Component: 150 - total flux cleaned = 0.0191303 Jy ! Component: 200 - total flux cleaned = 0.0233575 Jy ! Total flux subtracted in 200 components = 0.0233575 Jy ! Clean residual min=-0.003655 max=0.003275 Jy/beam ! Clean residual mean=-0.000018 rms=0.000792 Jy/beam ! Combined flux in latest and established models = 0.841433 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 127 components and 0.841433 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=8.07 mas, bmaj=8.996 mas, bpa=-34.16 degrees ! Estimated noise=1.64795 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00633247 Jy ! Component: 100 - total flux cleaned = 0.0109678 Jy ! Component: 150 - total flux cleaned = 0.0146143 Jy ! Component: 200 - total flux cleaned = 0.0175591 Jy ! Total flux subtracted in 200 components = 0.0175591 Jy ! Clean residual min=-0.003400 max=0.003296 Jy/beam ! Clean residual mean=-0.000026 rms=0.000944 Jy/beam ! Combined flux in latest and established models = 0.858992 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 = 0.00243687 Jy ! Component: 100 - total flux cleaned = 0.00447001 Jy ! Component: 150 - total flux cleaned = 0.00617483 Jy ! Component: 200 - total flux cleaned = 0.00761323 Jy ! Total flux subtracted in 200 components = 0.00761323 Jy ! Clean residual min=-0.003058 max=0.003127 Jy/beam ! Clean residual mean=-0.000022 rms=0.000844 Jy/beam ! Combined flux in latest and established models = 0.866606 Jy ! Adding 129 model components to the UV plane model. ! The established model now contains 237 components and 0.866606 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.685 mas, bmaj=5.294 mas, bpa=-19.97 degrees ! Estimated noise=1.31773 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000807506 Jy ! Component: 100 - total flux cleaned = 0.00124504 Jy ! Component: 150 - total flux cleaned = 0.0015897 Jy ! Component: 200 - total flux cleaned = 0.00197762 Jy ! Total flux subtracted in 200 components = 0.00197762 Jy ! Clean residual min=-0.002777 max=0.002468 Jy/beam ! Clean residual mean=-0.000009 rms=0.000595 Jy/beam ! Combined flux in latest and established models = 0.868583 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 260 components and 0.868583 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059052Jy sigma=0.335259 ! Fit after self-cal, rms=0.059025Jy sigma=0.335031 wmodel J1657+4808_S_map.mod ! Writing 260 model components to file: J1657+4808_S_map.mod wobs J1657+4808_S_uvs.fits ! Writing UV FITS file: J1657+4808_S_uvs.fits wwins J1657+4808_S_map.win ! wwins: Wrote 6 windows to J1657+4808_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 = -0.000483168 Jy ! Component: 100 - total flux cleaned = -0.000440926 Jy ! Component: 150 - total flux cleaned = -0.000363332 Jy ! Component: 200 - total flux cleaned = -0.000288588 Jy ! Component: 250 - total flux cleaned = -0.000396061 Jy ! Component: 300 - total flux cleaned = -0.000395344 Jy ! Component: 350 - total flux cleaned = -0.000395202 Jy ! Component: 400 - total flux cleaned = -0.000395261 Jy ! Component: 450 - total flux cleaned = -0.000362704 Jy ! Component: 500 - total flux cleaned = -0.000299903 Jy ! Component: 550 - total flux cleaned = -0.00032987 Jy ! Component: 600 - total flux cleaned = -0.000299099 Jy ! Component: 650 - total flux cleaned = -0.000298684 Jy ! Component: 700 - total flux cleaned = -0.000269867 Jy ! Component: 750 - total flux cleaned = -0.000269934 Jy ! Component: 800 - total flux cleaned = -0.000214764 Jy ! Component: 850 - total flux cleaned = -0.000160418 Jy ! Component: 900 - total flux cleaned = -8.01251e-05 Jy ! Component: 950 - total flux cleaned = 5.10354e-05 Jy ! Component: 1000 - total flux cleaned = 0.000179389 Jy ! Component: 1050 - total flux cleaned = 0.00033042 Jy ! Component: 1100 - total flux cleaned = 0.000429215 Jy ! Component: 1150 - total flux cleaned = 0.000551392 Jy ! Component: 1200 - total flux cleaned = 0.000671662 Jy ! Component: 1250 - total flux cleaned = 0.000765845 Jy ! Component: 1300 - total flux cleaned = 0.000789407 Jy ! Component: 1350 - total flux cleaned = 0.000881959 Jy ! Component: 1400 - total flux cleaned = 0.000995701 Jy ! Component: 1450 - total flux cleaned = 0.0010402 Jy ! Component: 1500 - total flux cleaned = 0.00104007 Jy ! Component: 1550 - total flux cleaned = 0.00101827 Jy ! Component: 1600 - total flux cleaned = 0.00106141 Jy ! Component: 1650 - total flux cleaned = 0.000933534 Jy ! Component: 1700 - total flux cleaned = 0.00101753 Jy ! Component: 1750 - total flux cleaned = 0.00093465 Jy ! Component: 1800 - total flux cleaned = 0.000852381 Jy ! Component: 1850 - total flux cleaned = 0.000933581 Jy ! Component: 1900 - total flux cleaned = 0.00083327 Jy ! Component: 1950 - total flux cleaned = 0.00079368 Jy ! Component: 2000 - total flux cleaned = 0.000794 Jy ! Component: 2050 - total flux cleaned = 0.000793826 Jy ! Component: 2100 - total flux cleaned = 0.000871019 Jy ! Component: 2150 - total flux cleaned = 0.000871148 Jy ! Component: 2200 - total flux cleaned = 0.000871283 Jy ! Component: 2250 - total flux cleaned = 0.000797104 Jy ! Component: 2300 - total flux cleaned = 0.000925573 Jy ! Component: 2350 - total flux cleaned = 0.000798053 Jy ! Component: 2400 - total flux cleaned = 0.000906266 Jy ! Component: 2450 - total flux cleaned = 0.000852655 Jy ! Component: 2500 - total flux cleaned = 0.000834733 Jy ! Component: 2550 - total flux cleaned = 0.000887116 Jy ! Component: 2600 - total flux cleaned = 0.000939106 Jy ! Component: 2650 - total flux cleaned = 0.000938868 Jy ! Component: 2700 - total flux cleaned = 0.001075 Jy ! Component: 2750 - total flux cleaned = 0.00109196 Jy ! Component: 2800 - total flux cleaned = 0.00115869 Jy ! Component: 2850 - total flux cleaned = 0.00119168 Jy ! Component: 2900 - total flux cleaned = 0.00129012 Jy ! Component: 2950 - total flux cleaned = 0.00132273 Jy ! Component: 3000 - total flux cleaned = 0.00140346 Jy ! Component: 3050 - total flux cleaned = 0.00146712 Jy ! Component: 3100 - total flux cleaned = 0.00148266 Jy ! Component: 3150 - total flux cleaned = 0.00149847 Jy ! Component: 3200 - total flux cleaned = 0.00152986 Jy ! Component: 3250 - total flux cleaned = 0.00156055 Jy ! Component: 3300 - total flux cleaned = 0.00163738 Jy ! Component: 3350 - total flux cleaned = 0.00168301 Jy ! Component: 3400 - total flux cleaned = 0.00174331 Jy ! Component: 3450 - total flux cleaned = 0.00163864 Jy ! Component: 3500 - total flux cleaned = 0.00169825 Jy ! Component: 3550 - total flux cleaned = 0.00171287 Jy ! Component: 3600 - total flux cleaned = 0.0017278 Jy ! Component: 3650 - total flux cleaned = 0.0017277 Jy ! Component: 3700 - total flux cleaned = 0.00172786 Jy ! Component: 3750 - total flux cleaned = 0.00177083 Jy ! Component: 3800 - total flux cleaned = 0.0017849 Jy ! Component: 3850 - total flux cleaned = 0.00177086 Jy ! Component: 3900 - total flux cleaned = 0.00172877 Jy ! Component: 3950 - total flux cleaned = 0.00179835 Jy ! Component: 4000 - total flux cleaned = 0.00181205 Jy ! Component: 4050 - total flux cleaned = 0.00185333 Jy ! Total flux subtracted in 4096 components = 0.0018534 Jy ! Clean residual min=-0.000759 max=0.000763 Jy/beam ! Clean residual mean=-0.000006 rms=0.000261 Jy/beam ! Combined flux in latest and established models = 0.870437 Jy keep ! Adding 314 model components to the UV plane model. ! The established model now contains 574 components and 0.870437 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1657+4808_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.685 x 5.294 at -19.97 degrees (North through East) ! Clean map min=-0.0020972 max=0.686 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1657+4808_S_map.fits wmodel /image_prod/ug002_uva//J1657+4808_S_map.mod ! Writing 574 model components to file: /image_prod/ug002_uva//J1657+4808_S_map.mod wobs /image_prod/ug002_uva//J1657+4808_S_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1657+4808_S_uvs.fits wwins /image_prod/ug002_uva//J1657+4808_S_map.win ! wwins: Wrote 7 windows to /image_prod/ug002_uva//J1657+4808_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.686 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000260675 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.113998 0.113998 0.227995 0.455991 0.911982 1.82396 3.64793 7.29586 14.5917 29.1834 58.3668 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.685 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2631.63 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1657+4808_S_dfm.log closed on Thu Mar 5 03:01:40 2020