! Started logfile: /vlbi/uf001/uva//J1918+5520_S_dfm.log on Mon Jan 14 05:00:25 2019 float field_size field_size = 1024 float field_cell field_cell = 0.5000 float taper_size taper_size = 20.0 float freq freq = 2.22000 obs /vlbi/uf001/uva//J1918+5520_S_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1918+5520_S_uva.fits ! AN table 1: 42 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.973545 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 4416 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 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.168352Jy sigma=20.507984 ! Fit after self-cal, rms=0.402860Jy sigma=7.188123 ! 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=2.988 mas, bmaj=4.051 mas, bpa=4.634 degrees ! Estimated noise=0.878032 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 = 0.46248 Jy ! Component: 100 - total flux cleaned = 0.574439 Jy ! Total flux subtracted in 100 components = 0.574439 Jy ! Clean residual min=-0.021879 max=0.043163 Jy/beam ! Clean residual mean=-0.000007 rms=0.006382 Jy/beam ! Combined flux in latest and established models = 0.574439 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.574439 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.120170Jy sigma=2.133895 ! Fit after self-cal, rms=0.120165Jy sigma=2.133809 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.043609 Jy ! Component: 100 - total flux cleaned = 0.0637132 Jy ! Total flux subtracted in 100 components = 0.0637132 Jy ! Clean residual min=-0.018380 max=0.025118 Jy/beam ! Clean residual mean=-0.000010 rms=0.005551 Jy/beam ! Combined flux in latest and established models = 0.638152 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 22 components and 0.638152 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.099935Jy sigma=1.836424 ! Fit after self-cal, rms=0.099927Jy sigma=1.836274 ! 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=3.422 mas, bmaj=4.767 mas, bpa=5.796 degrees ! Estimated noise=0.670922 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 = 0.0185951 Jy ! Component: 100 - total flux cleaned = 0.0298972 Jy ! Component: 150 - total flux cleaned = 0.0370773 Jy ! Component: 200 - total flux cleaned = 0.0417849 Jy ! Total flux subtracted in 200 components = 0.0417849 Jy ! Clean residual min=-0.016376 max=0.020738 Jy/beam ! Clean residual mean=-0.000004 rms=0.004598 Jy/beam ! Combined flux in latest and established models = 0.679937 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 38 components and 0.679937 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.095799Jy sigma=1.781156 ! Fit after self-cal, rms=0.095778Jy sigma=1.780829 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.422 x 4.767 at 5.796 degrees (North through East) ! Clean map min=-0.016079 max=0.60205 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 HN 1.18 KP 1.00 LA 0.95 ! MK 0.98 NL 1.02 OV 0.96 PT 1.00 ! SC 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 HN 1.18 KP 1.00 LA 0.97 ! MK 0.98 NL 1.01 OV 0.82 PT 0.97 ! SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 HN 1.20 KP 0.99 LA 0.95 ! MK 1.00 NL 1.02 OV 0.95 PT 0.99 ! SC 0.97 ! ! ! Fit before self-cal, rms=0.095778Jy sigma=1.780829 ! Fit after self-cal, rms=0.084931Jy sigma=1.417709 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.427 mas, bmaj=4.798 mas, bpa=6.532 degrees ! Estimated noise=0.671745 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 = -0.00871581 Jy ! Component: 100 - total flux cleaned = -0.0118869 Jy ! Component: 150 - total flux cleaned = -0.0136561 Jy ! Component: 200 - total flux cleaned = -0.0149945 Jy ! Total flux subtracted in 200 components = -0.0149945 Jy ! Clean residual min=-0.012046 max=0.013359 Jy/beam ! Clean residual mean=-0.000012 rms=0.003209 Jy/beam ! Combined flux in latest and established models = 0.664942 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 42 components and 0.664942 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.083591Jy sigma=1.397971 ! Fit after self-cal, rms=0.083609Jy sigma=1.397637 ! 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=0.083609Jy sigma=1.397637 ! Fit after self-cal, rms=0.062093Jy sigma=1.026952 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.43 mas, bmaj=4.782 mas, bpa=6.245 degrees ! Estimated noise=0.670281 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00203465 Jy ! Component: 100 - total flux cleaned = -0.00193359 Jy ! Component: 150 - total flux cleaned = -0.00185253 Jy ! Component: 200 - total flux cleaned = -0.0018533 Jy ! Total flux subtracted in 200 components = -0.0018533 Jy ! Clean residual min=-0.003477 max=0.003986 Jy/beam ! Clean residual mean=0.000008 rms=0.000839 Jy/beam ! Combined flux in latest and established models = 0.663089 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 51 components and 0.663089 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061741Jy sigma=1.020109 ! Fit after self-cal, rms=0.061765Jy sigma=1.019825 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 (-10.5, 25). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00148521 Jy ! Component: 100 - total flux cleaned = 0.00119109 Jy ! Component: 150 - total flux cleaned = 0.00103144 Jy ! Component: 200 - total flux cleaned = 0.000884598 Jy ! Total flux subtracted in 200 components = 0.000884598 Jy ! Clean residual min=-0.003068 max=0.003206 Jy/beam ! Clean residual mean=0.000008 rms=0.000774 Jy/beam ! Combined flux in latest and established models = 0.663974 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 65 components and 0.663974 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061495Jy sigma=1.014381 ! Fit after self-cal, rms=0.061472Jy sigma=1.014033 ! 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=0.061472Jy sigma=1.014033 ! Fit after self-cal, rms=0.061355Jy sigma=1.010803 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.435 mas, bmaj=4.781 mas, bpa=5.895 degrees ! Estimated noise=0.670017 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000954656 Jy ! Component: 100 - total flux cleaned = -0.000699551 Jy ! Component: 150 - total flux cleaned = -0.000758232 Jy ! Component: 200 - total flux cleaned = -0.000868402 Jy ! Total flux subtracted in 200 components = -0.000868402 Jy ! Clean residual min=-0.002744 max=0.003154 Jy/beam ! Clean residual mean=0.000006 rms=0.000685 Jy/beam ! Combined flux in latest and established models = 0.663105 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 73 components and 0.663105 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061175Jy sigma=1.007340 ! Fit after self-cal, rms=0.061175Jy sigma=1.007276 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 (-8.5, -100). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00204252 Jy ! Component: 100 - total flux cleaned = 0.0023118 Jy ! Component: 150 - total flux cleaned = 0.00236975 Jy ! Component: 200 - total flux cleaned = 0.0023232 Jy ! Total flux subtracted in 200 components = 0.0023232 Jy ! Clean residual min=-0.002651 max=0.002665 Jy/beam ! Clean residual mean=0.000006 rms=0.000646 Jy/beam ! Combined flux in latest and established models = 0.665429 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 83 components and 0.665429 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061028Jy sigma=1.004417 ! Fit after self-cal, rms=0.061021Jy sigma=1.004323 ! 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=0.061021Jy sigma=1.004323 ! Fit after self-cal, rms=0.061014Jy sigma=1.003777 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.444 mas, bmaj=8.447 mas, bpa=7.937 degrees ! Estimated noise=0.882675 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000768766 Jy ! Component: 100 - total flux cleaned = -0.000977681 Jy ! Component: 150 - total flux cleaned = -0.00111765 Jy ! Component: 200 - total flux cleaned = -0.00120505 Jy ! Total flux subtracted in 200 components = -0.00120505 Jy ! Clean residual min=-0.003117 max=0.003420 Jy/beam ! Clean residual mean=0.000008 rms=0.000864 Jy/beam ! Combined flux in latest and established models = 0.664224 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 95 components and 0.664223 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.060985Jy sigma=1.003224 ! Fit after self-cal, rms=0.060981Jy sigma=1.003113 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 = -0.000171356 Jy ! Component: 100 - total flux cleaned = -0.000314888 Jy ! Component: 150 - total flux cleaned = -0.000362776 Jy ! Component: 200 - total flux cleaned = -0.000384672 Jy ! Total flux subtracted in 200 components = -0.000384672 Jy ! Clean residual min=-0.003063 max=0.003283 Jy/beam ! Clean residual mean=0.000008 rms=0.000853 Jy/beam ! Combined flux in latest and established models = 0.663839 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 107 components and 0.663839 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.060972Jy sigma=1.002961 ! Fit after self-cal, rms=0.060970Jy sigma=1.002911 ! 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=3.439 mas, bmaj=4.78 mas, bpa=5.72 degrees ! Estimated noise=0.669852 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.439 x 4.78 at 5.72 degrees (North through East) ! Clean map min=-0.0032251 max=0.60468 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=0.060970Jy sigma=1.002911 ! Fit after self-cal, rms=0.056921Jy sigma=0.925115 ! Inverting map and beam ! Estimated beam: bmin=3.44 mas, bmaj=4.783 mas, bpa=5.688 degrees ! Estimated noise=0.669608 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00097346 Jy ! Component: 100 - total flux cleaned = -0.00127517 Jy ! Component: 150 - total flux cleaned = -0.00127466 Jy ! Component: 200 - total flux cleaned = -0.00131329 Jy ! Total flux subtracted in 200 components = -0.00131329 Jy ! Clean residual min=-0.002529 max=0.002429 Jy/beam ! Clean residual mean=0.000001 rms=0.000594 Jy/beam ! Combined flux in latest and established models = 0.662525 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 116 components and 0.662526 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.056858Jy sigma=0.923848 ! Fit after self-cal, rms=0.056858Jy sigma=0.923823 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.14386e-07 Jy ! Component: 100 - total flux cleaned = -6.77218e-05 Jy ! Component: 150 - total flux cleaned = -9.97405e-05 Jy ! Component: 200 - total flux cleaned = -0.000130025 Jy ! Total flux subtracted in 200 components = -0.000130025 Jy ! Clean residual min=-0.002503 max=0.002412 Jy/beam ! Clean residual mean=0.000001 rms=0.000587 Jy/beam ! Combined flux in latest and established models = 0.662396 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 122 components and 0.662396 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.056826Jy sigma=0.923216 ! Fit after self-cal, rms=0.056827Jy sigma=0.923206 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.056827Jy sigma=0.923206 ! Fit after self-cal, rms=0.056817Jy sigma=0.923025 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=2.998 mas, bmaj=4.042 mas, bpa=4.121 degrees ! Estimated noise=0.884002 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.465593 Jy ! Component: 100 - total flux cleaned = 0.576647 Jy ! Component: 150 - total flux cleaned = 0.618172 Jy ! Component: 200 - total flux cleaned = 0.637176 Jy ! Total flux subtracted in 200 components = 0.637176 Jy ! Clean residual min=-0.005329 max=0.009122 Jy/beam ! Clean residual mean=0.000001 rms=0.001361 Jy/beam ! Combined flux in latest and established models = 0.637176 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.637176 Jy ! Inverting map and beam ! Estimated beam: bmin=3.443 mas, bmaj=4.782 mas, bpa=5.624 degrees ! Estimated noise=0.669494 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 = 0.0114538 Jy ! Component: 100 - total flux cleaned = 0.0176047 Jy ! Component: 150 - total flux cleaned = 0.0214177 Jy ! Component: 200 - total flux cleaned = 0.0230861 Jy ! Total flux subtracted in 200 components = 0.0230861 Jy ! Clean residual min=-0.002881 max=0.003396 Jy/beam ! Clean residual mean=0.000002 rms=0.000718 Jy/beam ! Combined flux in latest and established models = 0.660262 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 32 components and 0.660263 Jy ! Inverting map ! Added new window around map position (5, 2.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00244786 Jy ! Component: 100 - total flux cleaned = 0.00330558 Jy ! Component: 150 - total flux cleaned = 0.00381626 Jy ! Component: 200 - total flux cleaned = 0.00412908 Jy ! Total flux subtracted in 200 components = 0.00412908 Jy ! Clean residual min=-0.002755 max=0.002742 Jy/beam ! Clean residual mean=0.000002 rms=0.000649 Jy/beam ! Combined flux in latest and established models = 0.664392 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 46 components and 0.664392 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=7.452 mas, bmaj=8.45 mas, bpa=7.749 degrees ! Estimated noise=0.880882 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000380793 Jy ! Component: 100 - total flux cleaned = -0.000569573 Jy ! Component: 150 - total flux cleaned = -0.000778819 Jy ! Component: 200 - total flux cleaned = -0.000966869 Jy ! Total flux subtracted in 200 components = -0.000966869 Jy ! Clean residual min=-0.002819 max=0.003188 Jy/beam ! Clean residual mean=0.000002 rms=0.000838 Jy/beam ! Combined flux in latest and established models = 0.663425 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 = -0.000173553 Jy ! Component: 100 - total flux cleaned = -0.000364318 Jy ! Component: 150 - total flux cleaned = -0.000541882 Jy ! Component: 200 - total flux cleaned = -0.000653321 Jy ! Total flux subtracted in 200 components = -0.000653321 Jy ! Clean residual min=-0.002770 max=0.003102 Jy/beam ! Clean residual mean=0.000001 rms=0.000826 Jy/beam ! Combined flux in latest and established models = 0.662771 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 82 components and 0.662771 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.443 mas, bmaj=4.782 mas, bpa=5.624 degrees ! Estimated noise=0.669494 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00038142 Jy ! Component: 100 - total flux cleaned = 0.000320771 Jy ! Component: 150 - total flux cleaned = 0.000204859 Jy ! Component: 200 - total flux cleaned = 0.000148817 Jy ! Total flux subtracted in 200 components = 0.000148817 Jy ! Clean residual min=-0.002710 max=0.002650 Jy/beam ! Clean residual mean=0.000001 rms=0.000606 Jy/beam ! Combined flux in latest and established models = 0.66292 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 95 components and 0.66292 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.056966Jy sigma=0.925571 ! Fit after self-cal, rms=0.056947Jy sigma=0.925122 wmodel J1918+5520_S_map.mod ! Writing 95 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 = -0.000254761 Jy ! Component: 100 - total flux cleaned = -0.000213071 Jy ! Component: 150 - total flux cleaned = -0.000130881 Jy ! Component: 200 - total flux cleaned = -9.15036e-05 Jy ! Component: 250 - total flux cleaned = 9.74167e-05 Jy ! Component: 300 - total flux cleaned = 0.000353487 Jy ! Component: 350 - total flux cleaned = 0.000567105 Jy ! Component: 400 - total flux cleaned = 0.000843952 Jy ! Component: 450 - total flux cleaned = 0.000978954 Jy ! Component: 500 - total flux cleaned = 0.00121006 Jy ! Component: 550 - total flux cleaned = 0.00130671 Jy ! Component: 600 - total flux cleaned = 0.00149706 Jy ! Component: 650 - total flux cleaned = 0.00171326 Jy ! Component: 700 - total flux cleaned = 0.00174326 Jy ! Component: 750 - total flux cleaned = 0.00180363 Jy ! Component: 800 - total flux cleaned = 0.00192144 Jy ! Component: 850 - total flux cleaned = 0.00200792 Jy ! Component: 900 - total flux cleaned = 0.0020639 Jy ! Component: 950 - total flux cleaned = 0.0021748 Jy ! Component: 1000 - total flux cleaned = 0.00206364 Jy ! Component: 1050 - total flux cleaned = 0.00211805 Jy ! Component: 1100 - total flux cleaned = 0.00225238 Jy ! Component: 1150 - total flux cleaned = 0.00227836 Jy ! Component: 1200 - total flux cleaned = 0.00230422 Jy ! Component: 1250 - total flux cleaned = 0.00233026 Jy ! Component: 1300 - total flux cleaned = 0.00243212 Jy ! Component: 1350 - total flux cleaned = 0.00243258 Jy ! Component: 1400 - total flux cleaned = 0.00255699 Jy ! Component: 1450 - total flux cleaned = 0.00272797 Jy ! Component: 1500 - total flux cleaned = 0.00267952 Jy ! Component: 1550 - total flux cleaned = 0.00279919 Jy ! Component: 1600 - total flux cleaned = 0.00284619 Jy ! Component: 1650 - total flux cleaned = 0.00284616 Jy ! Component: 1700 - total flux cleaned = 0.00282302 Jy ! Component: 1750 - total flux cleaned = 0.00280027 Jy ! Component: 1800 - total flux cleaned = 0.00277775 Jy ! Component: 1850 - total flux cleaned = 0.00280032 Jy ! Component: 1900 - total flux cleaned = 0.0028663 Jy ! Component: 1950 - total flux cleaned = 0.00282229 Jy ! Component: 2000 - total flux cleaned = 0.0027142 Jy ! Component: 2050 - total flux cleaned = 0.0027148 Jy ! Component: 2100 - total flux cleaned = 0.00263041 Jy ! Component: 2150 - total flux cleaned = 0.00260958 Jy ! Component: 2200 - total flux cleaned = 0.00250595 Jy ! Component: 2250 - total flux cleaned = 0.00260895 Jy ! Component: 2300 - total flux cleaned = 0.00246589 Jy ! Component: 2350 - total flux cleaned = 0.0025064 Jy ! Component: 2400 - total flux cleaned = 0.00242645 Jy ! Component: 2450 - total flux cleaned = 0.00244634 Jy ! Component: 2500 - total flux cleaned = 0.00242674 Jy ! Component: 2550 - total flux cleaned = 0.00238764 Jy ! Component: 2600 - total flux cleaned = 0.00238768 Jy ! Component: 2650 - total flux cleaned = 0.00236849 Jy ! Component: 2700 - total flux cleaned = 0.00236859 Jy ! Component: 2750 - total flux cleaned = 0.00233084 Jy ! Component: 2800 - total flux cleaned = 0.00227466 Jy ! Component: 2850 - total flux cleaned = 0.00229333 Jy ! Component: 2900 - total flux cleaned = 0.00231147 Jy ! Component: 2950 - total flux cleaned = 0.00229325 Jy ! Component: 3000 - total flux cleaned = 0.00229329 Jy ! Component: 3050 - total flux cleaned = 0.00231113 Jy ! Component: 3100 - total flux cleaned = 0.00225762 Jy ! Component: 3150 - total flux cleaned = 0.00225758 Jy ! Component: 3200 - total flux cleaned = 0.00216958 Jy ! Component: 3250 - total flux cleaned = 0.00216966 Jy ! Component: 3300 - total flux cleaned = 0.00216967 Jy ! Component: 3350 - total flux cleaned = 0.00213529 Jy ! Component: 3400 - total flux cleaned = 0.00216936 Jy ! Component: 3450 - total flux cleaned = 0.00215221 Jy ! Component: 3500 - total flux cleaned = 0.00213533 Jy ! Component: 3550 - total flux cleaned = 0.00213541 Jy ! Component: 3600 - total flux cleaned = 0.00210224 Jy ! Component: 3650 - total flux cleaned = 0.00210221 Jy ! Component: 3700 - total flux cleaned = 0.00210224 Jy ! Component: 3750 - total flux cleaned = 0.00211844 Jy ! Component: 3800 - total flux cleaned = 0.00208599 Jy ! Component: 3850 - total flux cleaned = 0.00208615 Jy ! Component: 3900 - total flux cleaned = 0.00210219 Jy ! Component: 3950 - total flux cleaned = 0.00211822 Jy ! Component: 4000 - total flux cleaned = 0.00216577 Jy ! Component: 4050 - total flux cleaned = 0.00211848 Jy ! Total flux subtracted in 4096 components = 0.00210279 Jy ! Clean residual min=-0.001035 max=0.000960 Jy/beam ! Clean residual mean=-0.000000 rms=0.000276 Jy/beam ! Combined flux in latest and established models = 0.665023 Jy keep ! Adding 299 model components to the UV plane model. ! The established model now contains 394 components and 0.665023 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1918+5520_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.443 x 4.782 at 5.624 degrees (North through East) ! Clean map min=-0.0032401 max=0.60448 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1918+5520_S_map.fits wmodel /vlbi/uf001/uva//J1918+5520_S_map.mod ! Writing 394 model components to file: /vlbi/uf001/uva//J1918+5520_S_map.mod wobs /vlbi/uf001/uva//J1918+5520_S_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1918+5520_S_uvs.fits wwins /vlbi/uf001/uva//J1918+5520_S_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/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 0.604478 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000272923 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.135451 0.135451 0.270901 0.541802 1.0836 2.16721 4.33442 8.66884 17.3377 34.6753 69.3507 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.604 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2214.83 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1918+5520_S_dfm.log closed on Mon Jan 14 05:00:30 2019