! Started logfile: /image_prod/ug002_uvm//J1937+8356_S_a_dfm.log on Wed Mar 4 17:38:17 2020 float field_size field_size = 1024 float field_cell field_cell = 0.5000 float taper_size taper_size = 20.0 float freq freq = 2.22000 obs /image_prod/ug002_uvm//J1937+8356_S_a_uvm.fits ! Reading UV FITS file: /image_prod/ug002_uvm//J1937+8356_S_a_uvm.fits ! AN table 1: 60 integrations on 28 of 28 possible baselines. ! AN table 2: 85 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.868987 visibilities/baseline/integration-bin. ! Found source: J1937+8356 ! ! 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 36 lines of history. ! ! Reading 12357 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 J1937+8356_S_a] 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 57 telescope corrections were flagged in sub-array 1. ! A total of 30 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 57 telescope corrections were flagged in sub-array 1. ! A total of 30 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 57 telescope corrections were flagged in sub-array 1. ! A total of 30 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.020754Jy sigma=7.295224 ! Fit after self-cal, rms=0.819248Jy sigma=5.875822 ! 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=3.814 mas, bmaj=4.114 mas, bpa=23.63 degrees ! Estimated noise=1.50022 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 = 0.138014 Jy ! Component: 100 - total flux cleaned = 0.171221 Jy ! Total flux subtracted in 100 components = 0.171221 Jy ! Clean residual min=-0.009113 max=0.038644 Jy/beam ! Clean residual mean=-0.000042 rms=0.002466 Jy/beam ! Combined flux in latest and established models = 0.171221 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.171221 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.099249Jy sigma=0.605289 ! Fit after self-cal, rms=0.099193Jy sigma=0.604763 ! Inverting map ! Added new window around map position (-7, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0319225 Jy ! Component: 100 - total flux cleaned = 0.0471609 Jy ! Total flux subtracted in 100 components = 0.0471609 Jy ! Clean residual min=-0.006015 max=0.009905 Jy/beam ! Clean residual mean=-0.000012 rms=0.001566 Jy/beam ! Combined flux in latest and established models = 0.218382 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 24 components and 0.218382 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.087314Jy sigma=0.501576 ! Fit after self-cal, rms=0.085733Jy sigma=0.489000 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0129066 Jy ! Component: 100 - total flux cleaned = 0.0207737 Jy ! Total flux subtracted in 100 components = 0.0207737 Jy ! Clean residual min=-0.004881 max=0.004769 Jy/beam ! Clean residual mean=0.000002 rms=0.001131 Jy/beam ! Combined flux in latest and established models = 0.239156 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 34 components and 0.239156 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.083169Jy sigma=0.468182 ! Fit after self-cal, rms=0.082975Jy sigma=0.466684 ! 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=4.545 mas, bmaj=5.412 mas, bpa=1.212 degrees ! Estimated noise=0.911512 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 = 0.00757924 Jy ! Component: 100 - total flux cleaned = 0.0118526 Jy ! Component: 150 - total flux cleaned = 0.0145379 Jy ! Component: 200 - total flux cleaned = 0.0161554 Jy ! Total flux subtracted in 200 components = 0.0161554 Jy ! Clean residual min=-0.004031 max=0.005293 Jy/beam ! Clean residual mean=0.000027 rms=0.000912 Jy/beam ! Combined flux in latest and established models = 0.255311 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 52 components and 0.255311 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.082031Jy sigma=0.461074 ! Fit after self-cal, rms=0.081966Jy sigma=0.460521 ! Inverting map ! Added new window around map position (-14.5, 2.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00484412 Jy ! Component: 100 - total flux cleaned = 0.00739005 Jy ! Component: 150 - total flux cleaned = 0.0083091 Jy ! Component: 200 - total flux cleaned = 0.00850464 Jy ! Total flux subtracted in 200 components = 0.00850464 Jy ! Clean residual min=-0.004128 max=0.003523 Jy/beam ! Clean residual mean=0.000035 rms=0.000853 Jy/beam ! Combined flux in latest and established models = 0.263816 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 77 components and 0.263816 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.081539Jy sigma=0.458113 ! Fit after self-cal, rms=0.081514Jy sigma=0.457857 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.545 x 5.412 at 1.212 degrees (North through East) ! Clean map min=-0.004075 max=0.17689 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 1.05 KP 1.00 ! MK 1.05 NL 0.97 OV 0.91 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 1.01 HN 1.00 KP 1.00 ! LA 1.03 NL 0.93 OV 0.99 PT 1.04 ! SC 0.96 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 HN 1.02 KP 1.05 ! MK 1.06 NL 1.05 OV 0.89 SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.03 HN 0.98 KP 0.95 ! LA 1.03 NL 0.91 OV 1.02 PT 1.02 ! SC 0.84 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.00 HN 1.03 KP 0.99 ! MK 1.05 NL 0.88 OV 0.92 SC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.03 HN 1.07 KP 0.97 ! LA 1.02 NL 0.92 OV 1.04 PT 1.04 ! SC 1.07 ! ! ! Fit before self-cal, rms=0.081514Jy sigma=0.457857 ! Fit after self-cal, rms=0.075030Jy sigma=0.447715 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.544 mas, bmaj=5.464 mas, bpa=0.5556 degrees ! Estimated noise=0.908447 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 = 0.00270824 Jy ! Component: 100 - total flux cleaned = 0.00334811 Jy ! Component: 150 - total flux cleaned = 0.00399542 Jy ! Component: 200 - total flux cleaned = 0.0042541 Jy ! Total flux subtracted in 200 components = 0.0042541 Jy ! Clean residual min=-0.002339 max=0.002640 Jy/beam ! Clean residual mean=0.000025 rms=0.000664 Jy/beam ! Combined flux in latest and established models = 0.26807 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 94 components and 0.26807 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.074821Jy sigma=0.446783 ! Fit after self-cal, rms=0.074810Jy sigma=0.446592 ! 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=0.074810Jy sigma=0.446592 ! Fit after self-cal, rms=0.066990Jy sigma=0.433570 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.566 mas, bmaj=5.414 mas, bpa=2.356 degrees ! Estimated noise=0.906151 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00134846 Jy ! Component: 100 - total flux cleaned = 0.00166404 Jy ! Component: 150 - total flux cleaned = 0.00163095 Jy ! Component: 200 - total flux cleaned = 0.00163184 Jy ! Total flux subtracted in 200 components = 0.00163184 Jy ! Clean residual min=-0.001895 max=0.001850 Jy/beam ! Clean residual mean=0.000009 rms=0.000434 Jy/beam ! Combined flux in latest and established models = 0.269701 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 109 components and 0.269701 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.066928Jy sigma=0.433217 ! Fit after self-cal, rms=0.066926Jy sigma=0.433060 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 = 0.000316379 Jy ! Component: 100 - total flux cleaned = 0.000344606 Jy ! Component: 150 - total flux cleaned = 0.000323201 Jy ! Component: 200 - total flux cleaned = 0.000324075 Jy ! Total flux subtracted in 200 components = 0.000324075 Jy ! Clean residual min=-0.001777 max=0.001781 Jy/beam ! Clean residual mean=0.000009 rms=0.000430 Jy/beam ! Combined flux in latest and established models = 0.270026 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 117 components and 0.270026 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.066904Jy sigma=0.432945 ! Fit after self-cal, rms=0.066902Jy sigma=0.432933 ! 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=0.066902Jy sigma=0.432933 ! Fit after self-cal, rms=0.067006Jy sigma=0.432859 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.572 mas, bmaj=5.414 mas, bpa=2.733 degrees ! Estimated noise=0.906159 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000385224 Jy ! Component: 100 - total flux cleaned = 0.000483219 Jy ! Component: 150 - total flux cleaned = 0.000504311 Jy ! Component: 200 - total flux cleaned = 0.000504457 Jy ! Total flux subtracted in 200 components = 0.000504457 Jy ! Clean residual min=-0.001792 max=0.001714 Jy/beam ! Clean residual mean=0.000008 rms=0.000422 Jy/beam ! Combined flux in latest and established models = 0.27053 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 124 components and 0.27053 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.066986Jy sigma=0.432751 ! Fit after self-cal, rms=0.066987Jy sigma=0.432739 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 = 0.000104606 Jy ! Component: 100 - total flux cleaned = 0.00012265 Jy ! Component: 150 - total flux cleaned = 0.000122627 Jy ! Component: 200 - total flux cleaned = 0.000106593 Jy ! Total flux subtracted in 200 components = 0.000106593 Jy ! Clean residual min=-0.001746 max=0.001684 Jy/beam ! Clean residual mean=0.000008 rms=0.000420 Jy/beam ! Combined flux in latest and established models = 0.270637 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 131 components and 0.270637 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.066976Jy sigma=0.432684 ! Fit after self-cal, rms=0.066976Jy sigma=0.432679 ! 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=0.066976Jy sigma=0.432679 ! Fit after self-cal, rms=0.067023Jy sigma=0.432659 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.065 mas, bmaj=9.749 mas, bpa=1.91 degrees ! Estimated noise=1.05789 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.78692e-05 Jy ! Component: 100 - total flux cleaned = -7.70208e-06 Jy ! Component: 150 - total flux cleaned = -2.7409e-05 Jy ! Component: 200 - total flux cleaned = -4.35613e-05 Jy ! Total flux subtracted in 200 components = -4.35613e-05 Jy ! Clean residual min=-0.002100 max=0.002102 Jy/beam ! Clean residual mean=0.000014 rms=0.000565 Jy/beam ! Combined flux in latest and established models = 0.270593 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 143 components and 0.270593 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.067020Jy sigma=0.432630 ! Fit after self-cal, rms=0.067020Jy sigma=0.432626 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 = -7.7833e-06 Jy ! Component: 100 - total flux cleaned = -2.12365e-05 Jy ! Component: 150 - total flux cleaned = -2.13844e-05 Jy ! Component: 200 - total flux cleaned = -2.79732e-05 Jy ! Total flux subtracted in 200 components = -2.79732e-05 Jy ! Clean residual min=-0.002088 max=0.002092 Jy/beam ! Clean residual mean=0.000014 rms=0.000564 Jy/beam ! Combined flux in latest and established models = 0.270565 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 146 components and 0.270565 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.067019Jy sigma=0.432612 ! Fit after self-cal, rms=0.067018Jy sigma=0.432610 ! 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=4.575 mas, bmaj=5.413 mas, bpa=2.976 degrees ! Estimated noise=0.906236 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.575 x 5.413 at 2.976 degrees (North through East) ! Clean map min=-0.0017269 max=0.17612 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 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=3.846 mas, bmaj=4.158 mas, bpa=25.15 degrees ! Estimated noise=1.49501 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.137391 Jy ! Component: 100 - total flux cleaned = 0.185171 Jy ! Component: 150 - total flux cleaned = 0.210648 Jy ! Component: 200 - total flux cleaned = 0.226585 Jy ! Total flux subtracted in 200 components = 0.226585 Jy ! Clean residual min=-0.003875 max=0.008499 Jy/beam ! Clean residual mean=-0.000020 rms=0.000987 Jy/beam ! Combined flux in latest and established models = 0.226585 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 21 model components to the UV plane model. ! The established model now contains 21 components and 0.226585 Jy ! Inverting map and beam ! Estimated beam: bmin=4.575 mas, bmaj=5.413 mas, bpa=2.976 degrees ! Estimated noise=0.906236 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 = 0.0133965 Jy ! Component: 100 - total flux cleaned = 0.0216088 Jy ! Component: 150 - total flux cleaned = 0.0274082 Jy ! Component: 200 - total flux cleaned = 0.0316362 Jy ! Total flux subtracted in 200 components = 0.0316362 Jy ! Clean residual min=-0.001899 max=0.002381 Jy/beam ! Clean residual mean=-0.000004 rms=0.000495 Jy/beam ! Combined flux in latest and established models = 0.258221 Jy ! Adding 57 model components to the UV plane model. ! The established model now contains 68 components and 0.258221 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00312606 Jy ! Component: 100 - total flux cleaned = 0.00549646 Jy ! Component: 150 - total flux cleaned = 0.00731915 Jy ! Component: 200 - total flux cleaned = 0.00873485 Jy ! Total flux subtracted in 200 components = 0.00873485 Jy ! Clean residual min=-0.001643 max=0.001619 Jy/beam ! Clean residual mean=0.000004 rms=0.000426 Jy/beam ! Combined flux in latest and established models = 0.266956 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 94 components and 0.266956 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=8.065 mas, bmaj=9.749 mas, bpa=1.91 degrees ! Estimated noise=1.05789 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00160588 Jy ! Component: 100 - total flux cleaned = 0.0025627 Jy ! Component: 150 - total flux cleaned = 0.00302785 Jy ! Component: 200 - total flux cleaned = 0.00327404 Jy ! Total flux subtracted in 200 components = 0.00327404 Jy ! Clean residual min=-0.002047 max=0.002122 Jy/beam ! Clean residual mean=0.000013 rms=0.000568 Jy/beam ! Combined flux in latest and established models = 0.27023 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 = 0.000188886 Jy ! Component: 100 - total flux cleaned = 0.00026011 Jy ! Component: 150 - total flux cleaned = 0.000281299 Jy ! Component: 200 - total flux cleaned = 0.000309691 Jy ! Total flux subtracted in 200 components = 0.000309691 Jy ! Clean residual min=-0.002074 max=0.002133 Jy/beam ! Clean residual mean=0.000014 rms=0.000566 Jy/beam ! Combined flux in latest and established models = 0.27054 Jy ! Adding 77 model components to the UV plane model. ! The established model now contains 150 components and 0.27054 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=4.575 mas, bmaj=5.413 mas, bpa=2.976 degrees ! Estimated noise=0.906236 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.15744e-05 Jy ! Component: 100 - total flux cleaned = 0.000102145 Jy ! Component: 150 - total flux cleaned = 0.000101224 Jy ! Component: 200 - total flux cleaned = 0.000136211 Jy ! Total flux subtracted in 200 components = 0.000136211 Jy ! Clean residual min=-0.001650 max=0.001586 Jy/beam ! Clean residual mean=0.000007 rms=0.000417 Jy/beam ! Combined flux in latest and established models = 0.270676 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 174 components and 0.270676 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.067001Jy sigma=0.432597 ! Fit after self-cal, rms=0.066993Jy sigma=0.432542 wmodel J1937+8356_S_a_map.mod ! Writing 174 model components to file: J1937+8356_S_a_map.mod wobs J1937+8356_S_a_uvs.fits ! Writing UV FITS file: J1937+8356_S_a_uvs.fits wwins J1937+8356_S_a_map.win ! wwins: Wrote 3 windows to J1937+8356_S_a_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 = 2.70293e-05 Jy ! Component: 100 - total flux cleaned = 8.36611e-05 Jy ! Component: 150 - total flux cleaned = 0.000219982 Jy ! Component: 200 - total flux cleaned = 0.000325241 Jy ! Component: 250 - total flux cleaned = 0.000554326 Jy ! Component: 300 - total flux cleaned = 0.000628607 Jy ! Component: 350 - total flux cleaned = 0.000725551 Jy ! Component: 400 - total flux cleaned = 0.000796769 Jy ! Component: 450 - total flux cleaned = 0.000913155 Jy ! Component: 500 - total flux cleaned = 0.000890826 Jy ! Component: 550 - total flux cleaned = 0.0010483 Jy ! Component: 600 - total flux cleaned = 0.00107027 Jy ! Component: 650 - total flux cleaned = 0.00109184 Jy ! Component: 700 - total flux cleaned = 0.001156 Jy ! Component: 750 - total flux cleaned = 0.0011771 Jy ! Component: 800 - total flux cleaned = 0.00130121 Jy ! Component: 850 - total flux cleaned = 0.00132125 Jy ! Component: 900 - total flux cleaned = 0.00130097 Jy ! Component: 950 - total flux cleaned = 0.00140157 Jy ! Component: 1000 - total flux cleaned = 0.00150049 Jy ! Component: 1050 - total flux cleaned = 0.00151991 Jy ! Component: 1100 - total flux cleaned = 0.00150038 Jy ! Component: 1150 - total flux cleaned = 0.00148121 Jy ! Component: 1200 - total flux cleaned = 0.00153781 Jy ! Component: 1250 - total flux cleaned = 0.00157509 Jy ! Component: 1300 - total flux cleaned = 0.00155656 Jy ! Component: 1350 - total flux cleaned = 0.00155658 Jy ! Component: 1400 - total flux cleaned = 0.00157475 Jy ! Component: 1450 - total flux cleaned = 0.00162861 Jy ! Component: 1500 - total flux cleaned = 0.0016106 Jy ! Component: 1550 - total flux cleaned = 0.00166339 Jy ! Component: 1600 - total flux cleaned = 0.00168071 Jy ! Component: 1650 - total flux cleaned = 0.00168053 Jy ! Component: 1700 - total flux cleaned = 0.00174925 Jy ! Component: 1750 - total flux cleaned = 0.0017323 Jy ! Component: 1800 - total flux cleaned = 0.00178311 Jy ! Component: 1850 - total flux cleaned = 0.00183345 Jy ! Component: 1900 - total flux cleaned = 0.00186667 Jy ! Component: 1950 - total flux cleaned = 0.00189972 Jy ! Component: 2000 - total flux cleaned = 0.00188331 Jy ! Component: 2050 - total flux cleaned = 0.0018832 Jy ! Component: 2100 - total flux cleaned = 0.00196385 Jy ! Component: 2150 - total flux cleaned = 0.00193177 Jy ! Component: 2200 - total flux cleaned = 0.00197941 Jy ! Component: 2250 - total flux cleaned = 0.00204233 Jy ! Component: 2300 - total flux cleaned = 0.00201088 Jy ! Component: 2350 - total flux cleaned = 0.00202641 Jy ! Component: 2400 - total flux cleaned = 0.00204181 Jy ! Component: 2450 - total flux cleaned = 0.00202638 Jy ! Component: 2500 - total flux cleaned = 0.00205694 Jy ! Component: 2550 - total flux cleaned = 0.00204183 Jy ! Component: 2600 - total flux cleaned = 0.00204179 Jy ! Component: 2650 - total flux cleaned = 0.00205675 Jy ! Component: 2700 - total flux cleaned = 0.00205662 Jy ! Component: 2750 - total flux cleaned = 0.00202705 Jy ! Component: 2800 - total flux cleaned = 0.00202697 Jy ! Component: 2850 - total flux cleaned = 0.00204154 Jy ! Component: 2900 - total flux cleaned = 0.00195462 Jy ! Component: 2950 - total flux cleaned = 0.00199792 Jy ! Component: 3000 - total flux cleaned = 0.00198352 Jy ! Component: 3050 - total flux cleaned = 0.00194089 Jy ! Component: 3100 - total flux cleaned = 0.0019126 Jy ! Component: 3150 - total flux cleaned = 0.0019267 Jy ! Component: 3200 - total flux cleaned = 0.00196879 Jy ! Component: 3250 - total flux cleaned = 0.00188524 Jy ! Component: 3300 - total flux cleaned = 0.00192674 Jy ! Component: 3350 - total flux cleaned = 0.00187167 Jy ! Component: 3400 - total flux cleaned = 0.00183075 Jy ! Component: 3450 - total flux cleaned = 0.00184444 Jy ! Component: 3500 - total flux cleaned = 0.00188501 Jy ! Component: 3550 - total flux cleaned = 0.00188501 Jy ! Component: 3600 - total flux cleaned = 0.00185812 Jy ! Component: 3650 - total flux cleaned = 0.00185817 Jy ! Component: 3700 - total flux cleaned = 0.00185816 Jy ! Component: 3750 - total flux cleaned = 0.00187134 Jy ! Component: 3800 - total flux cleaned = 0.0018321 Jy ! Component: 3850 - total flux cleaned = 0.00185806 Jy ! Component: 3900 - total flux cleaned = 0.00187102 Jy ! Component: 3950 - total flux cleaned = 0.00189674 Jy ! Component: 4000 - total flux cleaned = 0.00185815 Jy ! Component: 4050 - total flux cleaned = 0.00183268 Jy ! Total flux subtracted in 4096 components = 0.00184537 Jy ! Clean residual min=-0.000735 max=0.000815 Jy/beam ! Clean residual mean=-0.000001 rms=0.000243 Jy/beam ! Combined flux in latest and established models = 0.272521 Jy keep ! Adding 313 model components to the UV plane model. ! The established model now contains 487 components and 0.272521 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uvm//J1937+8356_S_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.575 x 5.413 at 2.976 degrees (North through East) ! Clean map min=-0.0013542 max=0.17595 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uvm//J1937+8356_S_a_map.fits wmodel /image_prod/ug002_uvm//J1937+8356_S_a_map.mod ! Writing 487 model components to file: /image_prod/ug002_uvm//J1937+8356_S_a_map.mod wobs /image_prod/ug002_uvm//J1937+8356_S_a_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uvm//J1937+8356_S_a_uvs.fits wwins /image_prod/ug002_uvm//J1937+8356_S_a_map.win ! wwins: Wrote 4 windows to /image_prod/ug002_uvm//J1937+8356_S_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.175951 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000241054 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.411003 0.411003 0.822005 1.64401 3.28802 6.57604 13.1521 26.3042 52.6083 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.175 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 729.922 quit ! Quitting program ! Log file /image_prod/ug002_uvm//J1937+8356_S_a_dfm.log closed on Wed Mar 4 17:38:22 2020