! Started logfile: /image_prod/ug002_uva//J1918+5520_S_dfm.log on Thu Mar 5 04:07:12 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//J1918+5520_S_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1918+5520_S_uva.fits ! AN table 1: 45 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.899753 visibilities/baseline/integration-bin. ! Found source: J1918+5520 ! ! 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 5466 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 J1918+5520_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 23 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 23 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 23 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.198411Jy sigma=7.775714 ! Fit after self-cal, rms=0.429170Jy sigma=2.920124 ! 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=3.184 mas, bmaj=4.218 mas, bpa=-24.75 degrees ! Estimated noise=2.23076 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 = 0.451951 Jy ! Component: 100 - total flux cleaned = 0.55365 Jy ! Total flux subtracted in 100 components = 0.55365 Jy ! Clean residual min=-0.024698 max=0.040319 Jy/beam ! Clean residual mean=0.000007 rms=0.006881 Jy/beam ! Combined flux in latest and established models = 0.55365 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.55365 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.202515Jy sigma=0.923996 ! Fit after self-cal, rms=0.202514Jy sigma=0.923974 ! 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=3.891 mas, bmaj=4.973 mas, bpa=-16.7 degrees ! Estimated noise=1.49117 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 = 0.0397899 Jy ! Component: 100 - total flux cleaned = 0.0527105 Jy ! Component: 150 - total flux cleaned = 0.0535629 Jy ! Component: 200 - total flux cleaned = 0.0539362 Jy ! Total flux subtracted in 200 components = 0.0539362 Jy ! Clean residual min=-0.024177 max=0.029128 Jy/beam ! Clean residual mean=0.000006 rms=0.005895 Jy/beam ! Combined flux in latest and established models = 0.607587 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 19 components and 0.607587 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.190126Jy sigma=0.881801 ! Fit after self-cal, rms=0.190120Jy sigma=0.881762 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.891 x 4.973 at -16.7 degrees (North through East) ! Clean map min=-0.024208 max=0.59409 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 0.98 HN 0.94 KP 0.99 ! LA 1.01 MK 1.02 NL 1.04 OV 0.98 ! PT 1.02 SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.65 FD 0.98 HN 0.95 KP 1.00 ! LA 1.01 MK 1.03 NL 1.46 OV 1.00 ! PT 1.01 SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.97 HN 0.98 KP 1.00 ! LA 1.01 MK 1.05 NL 1.22 OV 1.00 ! PT 1.01 SC 1.06 ! ! ! Fit before self-cal, rms=0.190120Jy sigma=0.881762 ! Fit after self-cal, rms=0.131355Jy sigma=0.678065 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.932 mas, bmaj=4.966 mas, bpa=-16.72 degrees ! Estimated noise=1.49878 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 = 0.00867898 Jy ! Component: 100 - total flux cleaned = 0.00914031 Jy ! Component: 150 - total flux cleaned = 0.00933649 Jy ! Component: 200 - total flux cleaned = 0.00933358 Jy ! Total flux subtracted in 200 components = 0.00933358 Jy ! Clean residual min=-0.017773 max=0.019299 Jy/beam ! Clean residual mean=0.000012 rms=0.004140 Jy/beam ! Combined flux in latest and established models = 0.61692 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 29 components and 0.61692 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.130212Jy sigma=0.673338 ! Fit after self-cal, rms=0.130223Jy sigma=0.673120 ! 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=0.130223Jy sigma=0.673120 ! Fit after self-cal, rms=0.072949Jy sigma=0.392331 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.907 mas, bmaj=5.004 mas, bpa=-17.23 degrees ! Estimated noise=1.49635 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.40616e-05 Jy ! Component: 100 - total flux cleaned = 1.53175e-05 Jy ! Component: 150 - total flux cleaned = 1.63622e-05 Jy ! Component: 200 - total flux cleaned = 1.53695e-05 Jy ! Total flux subtracted in 200 components = 1.53695e-05 Jy ! Clean residual min=-0.002747 max=0.003550 Jy/beam ! Clean residual mean=-0.000000 rms=0.000704 Jy/beam ! Combined flux in latest and established models = 0.616935 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 38 components and 0.616935 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.072826Jy sigma=0.391345 ! Fit after self-cal, rms=0.072860Jy sigma=0.391058 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 (39.5, -40). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00188385 Jy ! Component: 100 - total flux cleaned = 0.0014582 Jy ! Component: 150 - total flux cleaned = 0.00122141 Jy ! Component: 200 - total flux cleaned = 0.00122133 Jy ! Total flux subtracted in 200 components = 0.00122133 Jy ! Clean residual min=-0.002681 max=0.002826 Jy/beam ! Clean residual mean=-0.000000 rms=0.000662 Jy/beam ! Combined flux in latest and established models = 0.618157 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 46 components and 0.618157 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.072689Jy sigma=0.389874 ! Fit after self-cal, rms=0.072679Jy sigma=0.389813 ! 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=0.072679Jy sigma=0.389813 ! Fit after self-cal, rms=0.072710Jy sigma=0.389716 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.909 mas, bmaj=5.001 mas, bpa=-17.14 degrees ! Estimated noise=1.49704 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000612758 Jy ! Component: 100 - total flux cleaned = 0.000613522 Jy ! Component: 150 - total flux cleaned = 0.000664976 Jy ! Component: 200 - total flux cleaned = 0.000665096 Jy ! Total flux subtracted in 200 components = 0.000665096 Jy ! Clean residual min=-0.002655 max=0.002792 Jy/beam ! Clean residual mean=-0.000000 rms=0.000642 Jy/beam ! Combined flux in latest and established models = 0.618822 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 50 components and 0.618822 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.072642Jy sigma=0.389201 ! Fit after self-cal, rms=0.072638Jy sigma=0.389183 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 (-55.5, 1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00151671 Jy ! Component: 100 - total flux cleaned = 0.00139687 Jy ! Component: 150 - total flux cleaned = 0.00139727 Jy ! Component: 200 - total flux cleaned = 0.00139803 Jy ! Total flux subtracted in 200 components = 0.00139803 Jy ! Clean residual min=-0.002573 max=0.002388 Jy/beam ! Clean residual mean=-0.000001 rms=0.000617 Jy/beam ! Combined flux in latest and established models = 0.62022 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 64 components and 0.62022 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.072519Jy sigma=0.388417 ! Fit after self-cal, rms=0.072513Jy sigma=0.388398 ! 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=0.072513Jy sigma=0.388398 ! Fit after self-cal, rms=0.072514Jy sigma=0.388339 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.667 mas, bmaj=9.24 mas, bpa=-71.61 degrees ! Estimated noise=1.79804 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000266103 Jy ! Component: 100 - total flux cleaned = -0.00032269 Jy ! Component: 150 - total flux cleaned = -0.00036666 Jy ! Component: 200 - total flux cleaned = -0.000427093 Jy ! Total flux subtracted in 200 components = -0.000427093 Jy ! Clean residual min=-0.002575 max=0.002342 Jy/beam ! Clean residual mean=0.000001 rms=0.000643 Jy/beam ! Combined flux in latest and established models = 0.619793 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 76 components and 0.619793 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.072498Jy sigma=0.388258 ! Fit after self-cal, rms=0.072496Jy sigma=0.388248 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 = -3.44821e-05 Jy ! Component: 100 - total flux cleaned = -0.000127833 Jy ! Component: 150 - total flux cleaned = -0.000162099 Jy ! Component: 200 - total flux cleaned = -0.000194963 Jy ! Total flux subtracted in 200 components = -0.000194963 Jy ! Clean residual min=-0.002581 max=0.002319 Jy/beam ! Clean residual mean=0.000001 rms=0.000638 Jy/beam ! Combined flux in latest and established models = 0.619598 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 81 components and 0.619598 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.072491Jy sigma=0.388226 ! Fit after self-cal, rms=0.072489Jy sigma=0.388221 ! 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=3.91 mas, bmaj=4.999 mas, bpa=-17.12 degrees ! Estimated noise=1.49763 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.91 x 4.999 at -17.12 degrees (North through East) ! Clean map min=-0.0025 max=0.59674 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=0.072489Jy sigma=0.388221 ! Fit after self-cal, rms=0.068554Jy sigma=0.360299 ! Inverting map and beam ! Estimated beam: bmin=3.909 mas, bmaj=4.997 mas, bpa=-17.1 degrees ! Estimated noise=1.49792 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000886711 Jy ! Component: 100 - total flux cleaned = 0.0010332 Jy ! Component: 150 - total flux cleaned = 0.00107961 Jy ! Component: 200 - total flux cleaned = 0.00103669 Jy ! Total flux subtracted in 200 components = 0.00103669 Jy ! Clean residual min=-0.002505 max=0.002313 Jy/beam ! Clean residual mean=0.000001 rms=0.000593 Jy/beam ! Combined flux in latest and established models = 0.620634 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 98 components and 0.620634 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.068491Jy sigma=0.359879 ! Fit after self-cal, rms=0.068490Jy sigma=0.359874 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.59223e-05 Jy ! Component: 100 - total flux cleaned = -3.59306e-05 Jy ! Component: 150 - total flux cleaned = -7.51768e-05 Jy ! Component: 200 - total flux cleaned = -7.46212e-05 Jy ! Total flux subtracted in 200 components = -7.46212e-05 Jy ! Clean residual min=-0.002466 max=0.002330 Jy/beam ! Clean residual mean=0.000001 rms=0.000585 Jy/beam ! Combined flux in latest and established models = 0.62056 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 99 components and 0.62056 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.068445Jy sigma=0.359587 ! Fit after self-cal, rms=0.068445Jy sigma=0.359583 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.068445Jy sigma=0.359583 ! Fit after self-cal, rms=0.068470Jy sigma=0.359553 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=3.21 mas, bmaj=4.256 mas, bpa=-25.65 degrees ! Estimated noise=2.27537 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.460994 Jy ! Component: 100 - total flux cleaned = 0.56292 Jy ! Component: 150 - total flux cleaned = 0.594127 Jy ! Component: 200 - total flux cleaned = 0.608336 Jy ! Total flux subtracted in 200 components = 0.608336 Jy ! Clean residual min=-0.006104 max=0.006689 Jy/beam ! Clean residual mean=0.000003 rms=0.001377 Jy/beam ! Combined flux in latest and established models = 0.608336 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 0.608336 Jy ! Inverting map and beam ! Estimated beam: bmin=3.909 mas, bmaj=4.995 mas, bpa=-17.13 degrees ! Estimated noise=1.49876 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 = 0.00768407 Jy ! Component: 100 - total flux cleaned = 0.0120274 Jy ! Component: 150 - total flux cleaned = 0.0134959 Jy ! Component: 200 - total flux cleaned = 0.0144083 Jy ! Total flux subtracted in 200 components = 0.0144083 Jy ! Clean residual min=-0.003132 max=0.003169 Jy/beam ! Clean residual mean=0.000002 rms=0.000709 Jy/beam ! Combined flux in latest and established models = 0.622744 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 31 components and 0.622744 Jy ! Inverting map ! Added new window around map position (5, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000125003 Jy ! Component: 100 - total flux cleaned = -7.51532e-05 Jy ! Component: 150 - total flux cleaned = 1.8113e-05 Jy ! Component: 200 - total flux cleaned = 0.000103067 Jy ! Total flux subtracted in 200 components = 0.000103067 Jy ! Clean residual min=-0.002735 max=0.002650 Jy/beam ! Clean residual mean=0.000001 rms=0.000647 Jy/beam ! Combined flux in latest and established models = 0.622847 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 44 components and 0.622847 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=8.664 mas, bmaj=9.237 mas, bpa=-71.79 degrees ! Estimated noise=1.80043 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.47755e-05 Jy ! Component: 100 - total flux cleaned = 5.86183e-05 Jy ! Component: 150 - total flux cleaned = 2.4429e-05 Jy ! Component: 200 - total flux cleaned = -7.15613e-05 Jy ! Total flux subtracted in 200 components = -7.15613e-05 Jy ! Clean residual min=-0.002456 max=0.002487 Jy/beam ! Clean residual mean=0.000004 rms=0.000639 Jy/beam ! Combined flux in latest and established models = 0.622776 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 = -8.81985e-05 Jy ! Component: 100 - total flux cleaned = -0.000170661 Jy ! Component: 150 - total flux cleaned = -0.000275155 Jy ! Component: 200 - total flux cleaned = -0.000324367 Jy ! Total flux subtracted in 200 components = -0.000324367 Jy ! Clean residual min=-0.002469 max=0.002449 Jy/beam ! Clean residual mean=0.000004 rms=0.000633 Jy/beam ! Combined flux in latest and established models = 0.622451 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 76 components and 0.622451 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.909 mas, bmaj=4.995 mas, bpa=-17.13 degrees ! Estimated noise=1.49876 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.18937e-05 Jy ! Component: 100 - total flux cleaned = 0.000205746 Jy ! Component: 150 - total flux cleaned = 0.000271626 Jy ! Component: 200 - total flux cleaned = 0.00027086 Jy ! Total flux subtracted in 200 components = 0.00027086 Jy ! Clean residual min=-0.002491 max=0.002408 Jy/beam ! Clean residual mean=0.000001 rms=0.000610 Jy/beam ! Combined flux in latest and established models = 0.622722 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 87 components and 0.622722 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.068732Jy sigma=0.360714 ! Fit after self-cal, rms=0.068721Jy sigma=0.360595 wmodel J1918+5520_S_map.mod ! Writing 87 model components to file: J1918+5520_S_map.mod wobs J1918+5520_S_uvs.fits ! Writing UV FITS file: J1918+5520_S_uvs.fits wwins J1918+5520_S_map.win ! wwins: Wrote 4 windows to J1918+5520_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 = -0.000289507 Jy ! Component: 100 - total flux cleaned = -0.000246503 Jy ! Component: 150 - total flux cleaned = -0.000161758 Jy ! Component: 200 - total flux cleaned = -3.94821e-05 Jy ! Component: 250 - total flux cleaned = 0.000159649 Jy ! Component: 300 - total flux cleaned = 0.00043004 Jy ! Component: 350 - total flux cleaned = 0.000617975 Jy ! Component: 400 - total flux cleaned = 0.000765523 Jy ! Component: 450 - total flux cleaned = 0.000981687 Jy ! Component: 500 - total flux cleaned = 0.00115743 Jy ! Component: 550 - total flux cleaned = 0.00122575 Jy ! Component: 600 - total flux cleaned = 0.00139483 Jy ! Component: 650 - total flux cleaned = 0.00149462 Jy ! Component: 700 - total flux cleaned = 0.0016902 Jy ! Component: 750 - total flux cleaned = 0.00185009 Jy ! Component: 800 - total flux cleaned = 0.00200749 Jy ! Component: 850 - total flux cleaned = 0.00222459 Jy ! Component: 900 - total flux cleaned = 0.00234656 Jy ! Component: 950 - total flux cleaned = 0.0025575 Jy ! Component: 1000 - total flux cleaned = 0.00267639 Jy ! Component: 1050 - total flux cleaned = 0.0028819 Jy ! Component: 1100 - total flux cleaned = 0.00302636 Jy ! Component: 1150 - total flux cleaned = 0.0031688 Jy ! Component: 1200 - total flux cleaned = 0.00330928 Jy ! Component: 1250 - total flux cleaned = 0.00339241 Jy ! Component: 1300 - total flux cleaned = 0.00350225 Jy ! Component: 1350 - total flux cleaned = 0.00377352 Jy ! Component: 1400 - total flux cleaned = 0.00385384 Jy ! Component: 1450 - total flux cleaned = 0.00395994 Jy ! Component: 1500 - total flux cleaned = 0.00403851 Jy ! Component: 1550 - total flux cleaned = 0.00409009 Jy ! Component: 1600 - total flux cleaned = 0.00419245 Jy ! Component: 1650 - total flux cleaned = 0.00424292 Jy ! Component: 1700 - total flux cleaned = 0.00436824 Jy ! Component: 1750 - total flux cleaned = 0.00446745 Jy ! Component: 1800 - total flux cleaned = 0.00459018 Jy ! Component: 1850 - total flux cleaned = 0.00471169 Jy ! Component: 1900 - total flux cleaned = 0.00488008 Jy ! Component: 1950 - total flux cleaned = 0.00495153 Jy ! Component: 2000 - total flux cleaned = 0.00502263 Jy ! Component: 2050 - total flux cleaned = 0.00518701 Jy ! Component: 2100 - total flux cleaned = 0.00528015 Jy ! Component: 2150 - total flux cleaned = 0.00532635 Jy ! Component: 2200 - total flux cleaned = 0.00546341 Jy ! Component: 2250 - total flux cleaned = 0.005418 Jy ! Component: 2300 - total flux cleaned = 0.00553039 Jy ! Component: 2350 - total flux cleaned = 0.00570873 Jy ! Component: 2400 - total flux cleaned = 0.00570886 Jy ! Component: 2450 - total flux cleaned = 0.00584034 Jy ! Component: 2500 - total flux cleaned = 0.00592761 Jy ! Component: 2550 - total flux cleaned = 0.00597082 Jy ! Component: 2600 - total flux cleaned = 0.00601376 Jy ! Component: 2650 - total flux cleaned = 0.00614151 Jy ! Component: 2700 - total flux cleaned = 0.00616266 Jy ! Component: 2750 - total flux cleaned = 0.00624639 Jy ! Component: 2800 - total flux cleaned = 0.00632937 Jy ! Component: 2850 - total flux cleaned = 0.00635008 Jy ! Component: 2900 - total flux cleaned = 0.00645241 Jy ! Component: 2950 - total flux cleaned = 0.00649291 Jy ! Component: 3000 - total flux cleaned = 0.00655324 Jy ! Component: 3050 - total flux cleaned = 0.00661302 Jy ! Component: 3100 - total flux cleaned = 0.00663298 Jy ! Component: 3150 - total flux cleaned = 0.00665275 Jy ! Component: 3200 - total flux cleaned = 0.00667252 Jy ! Component: 3250 - total flux cleaned = 0.00673095 Jy ! Component: 3300 - total flux cleaned = 0.00680839 Jy ! Component: 3350 - total flux cleaned = 0.00684679 Jy ! Component: 3400 - total flux cleaned = 0.0069041 Jy ! Component: 3450 - total flux cleaned = 0.00701799 Jy ! Component: 3500 - total flux cleaned = 0.0070559 Jy ! Component: 3550 - total flux cleaned = 0.00726223 Jy ! Component: 3600 - total flux cleaned = 0.00724332 Jy ! Component: 3650 - total flux cleaned = 0.00726171 Jy ! Component: 3700 - total flux cleaned = 0.00737208 Jy ! Component: 3750 - total flux cleaned = 0.00742684 Jy ! Component: 3800 - total flux cleaned = 0.00753581 Jy ! Component: 3850 - total flux cleaned = 0.00757191 Jy ! Component: 3900 - total flux cleaned = 0.00764361 Jy ! Component: 3950 - total flux cleaned = 0.00775062 Jy ! Component: 4000 - total flux cleaned = 0.00776842 Jy ! Component: 4050 - total flux cleaned = 0.0078213 Jy ! Total flux subtracted in 4096 components = 0.00787399 Jy ! Clean residual min=-0.001030 max=0.001169 Jy/beam ! Clean residual mean=-0.000000 rms=0.000306 Jy/beam ! Combined flux in latest and established models = 0.630596 Jy keep ! Adding 270 model components to the UV plane model. ! The established model now contains 357 components and 0.630596 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1918+5520_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.909 x 4.995 at -17.13 degrees (North through East) ! Clean map min=-0.001775 max=0.5958 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1918+5520_S_map.fits wmodel /image_prod/ug002_uva//J1918+5520_S_map.mod ! Writing 357 model components to file: /image_prod/ug002_uva//J1918+5520_S_map.mod wobs /image_prod/ug002_uva//J1918+5520_S_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1918+5520_S_uvs.fits wwins /image_prod/ug002_uva//J1918+5520_S_map.win ! wwins: Wrote 5 windows to /image_prod/ug002_uva//J1918+5520_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.595801 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000304016 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.153079 0.153079 0.306159 0.612317 1.22463 2.44927 4.89854 9.79708 19.5942 39.1883 78.3766 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0009 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.595 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1959.77 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1918+5520_S_dfm.log closed on Thu Mar 5 04:07:16 2020