! Started logfile: /vlbi/uf001/uvm//J1937-3958_S_a_dfm.log on Sun Jan 13 22:22:50 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/uvm//J1937-3958_S_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1937-3958_S_a_uvm.fits ! AN table 1: 8 integrations on 21 of 21 possible baselines. ! AN table 2: 11 integrations on 28 of 28 possible baselines. ! AN table 3: 7 integrations on 21 of 21 possible baselines. ! AN table 4: 5 integrations on 36 of 36 possible baselines. ! AN table 5: 7 integrations on 15 of 15 possible baselines. ! Apparent sampling: 0.842511 visibilities/baseline/integration-bin. ! Found source: J1937-3958 ! ! 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 40 lines of history. ! ! Reading 2295 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 J1937-3958_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 11 telescope corrections were flagged in sub-array 1. ! A total of 37 telescope corrections were flagged in sub-array 2. ! A total of 23 telescope corrections were flagged in sub-array 3. ! A total of 12 telescope corrections were flagged in sub-array 4. ! A total of 7 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 2. ! A total of 11 telescope corrections were flagged in sub-array 1. ! A total of 37 telescope corrections were flagged in sub-array 2. ! A total of 23 telescope corrections were flagged in sub-array 3. ! A total of 12 telescope corrections were flagged in sub-array 4. ! A total of 7 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 3. ! A total of 11 telescope corrections were flagged in sub-array 1. ! A total of 37 telescope corrections were flagged in sub-array 2. ! A total of 23 telescope corrections were flagged in sub-array 3. ! A total of 12 telescope corrections were flagged in sub-array 4. ! A total of 7 telescope corrections were flagged in sub-array 5. ! ! Fit before self-cal, rms=1.325011Jy sigma=13.852697 ! Fit after self-cal, rms=0.364098Jy sigma=3.349956 ! 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=2.315 mas, bmaj=6.533 mas, bpa=-2.223 degrees ! Estimated noise=2.09765 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 = 0.605327 Jy ! Component: 100 - total flux cleaned = 0.74949 Jy ! Total flux subtracted in 100 components = 0.74949 Jy ! Clean residual min=-0.052053 max=0.104461 Jy/beam ! Clean residual mean=-0.000270 rms=0.012772 Jy/beam ! Combined flux in latest and established models = 0.74949 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.74949 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.314844Jy sigma=3.122093 ! Fit after self-cal, rms=0.314826Jy sigma=3.122055 ! Inverting map ! Added new window around map position (-3, -8.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0963804 Jy ! Component: 100 - total flux cleaned = 0.149265 Jy ! Total flux subtracted in 100 components = 0.149265 Jy ! Clean residual min=-0.044849 max=0.088474 Jy/beam ! Clean residual mean=-0.000230 rms=0.010990 Jy/beam ! Combined flux in latest and established models = 0.898755 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 25 components and 0.898755 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.273416Jy sigma=2.637573 ! Fit after self-cal, rms=0.268861Jy sigma=2.580767 ! Inverting map ! Added new window around map position (-6.5, 1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0777414 Jy ! Component: 100 - total flux cleaned = 0.118823 Jy ! Total flux subtracted in 100 components = 0.118823 Jy ! Clean residual min=-0.041083 max=0.073105 Jy/beam ! Clean residual mean=-0.000180 rms=0.009359 Jy/beam ! Combined flux in latest and established models = 1.01758 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 32 components and 1.01758 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.244975Jy sigma=2.306466 ! Fit after self-cal, rms=0.240664Jy sigma=2.251427 ! Inverting map ! Added new window around map position (5, -9). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0622294 Jy ! Component: 100 - total flux cleaned = 0.104111 Jy ! Total flux subtracted in 100 components = 0.104111 Jy ! Clean residual min=-0.042134 max=0.044383 Jy/beam ! Clean residual mean=-0.000127 rms=0.008249 Jy/beam ! Combined flux in latest and established models = 1.12169 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 56 components and 1.12169 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.217670Jy sigma=2.024805 ! Fit after self-cal, rms=0.217030Jy sigma=2.017844 ! 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=2.778 mas, bmaj=7.537 mas, bpa=-1.513 degrees ! Estimated noise=1.75951 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 (5.5, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0484992 Jy ! Component: 100 - total flux cleaned = 0.0641811 Jy ! Component: 150 - total flux cleaned = 0.0720413 Jy ! Component: 200 - total flux cleaned = 0.0779249 Jy ! Total flux subtracted in 200 components = 0.0779249 Jy ! Clean residual min=-0.033663 max=0.034551 Jy/beam ! Clean residual mean=-0.000250 rms=0.007573 Jy/beam ! Combined flux in latest and established models = 1.19961 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 82 components and 1.19961 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.201158Jy sigma=1.879720 ! Fit after self-cal, rms=0.200243Jy sigma=1.869284 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.778 x 7.537 at -1.513 degrees (North through East) ! Clean map min=-0.033415 max=0.71422 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: ! HN 1.55 LA 1.00 MK 1.43 NL 0.98 ! OV 2.30 PT 0.92 SC 1.08 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.95 KP 1.00 LA 0.92 MK 1.00 ! NL 1.26 OV 0.90 PT 1.00 SC 1.01 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.98 HN 1.15 KP 0.96 LA 0.97 ! NL 0.96 PT 0.97 SC 1.00 ! ! Telescope amplitude corrections in sub-array 4: ! FD 0.95 HN 1.57 KP 0.97 LA 0.94 ! MK 0.82 NL 1.12 OV 0.88 PT 0.99 ! SC 1.07 ! ! Telescope amplitude corrections in sub-array 5: ! KP 1.07 LA 0.97 MK 0.99 OV 0.95 ! PT 0.99 SC 1.11 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! HN 1.68 LA 1.01 MK 1.47 NL 0.98 ! OV 2.16 PT 0.97 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.95 KP 1.01 LA 0.93 MK 0.98 ! NL 1.31 OV 0.88 PT 0.98 SC 0.96 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.97 HN 1.33 KP 0.95 LA 0.98 ! NL 0.99 PT 0.96 SC 0.96 ! ! Telescope amplitude corrections in sub-array 4: ! FD 0.94 HN 1.95 KP 0.99 LA 0.95 ! MK 0.89 NL 1.07 OV 0.86 PT 0.96 ! SC 1.06 ! ! Telescope amplitude corrections in sub-array 5: ! KP 1.04 LA 0.99 MK 0.95 OV 0.91 ! PT 1.00 SC 1.10 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! HN 1.54 LA 1.03 MK 1.50 NL 0.97 ! OV 2.08 PT 0.95 SC 1.07 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.96 KP 1.00 LA 0.93 MK 1.04 ! NL 1.27 OV 0.89 PT 0.97 SC 0.95 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.99 HN 1.29 KP 0.96 LA 0.92 ! NL 0.96 PT 0.97 SC 0.96 ! ! Telescope amplitude corrections in sub-array 4: ! FD 0.98 HN 1.75 KP 0.97 LA 0.94 ! MK 0.91 NL 1.04 OV 0.89 PT 1.00 ! SC 1.12 ! ! Telescope amplitude corrections in sub-array 5: ! KP 1.04 LA 1.00 MK 0.99 OV 0.95 ! PT 0.98 SC 1.13 ! ! ! Fit before self-cal, rms=0.200243Jy sigma=1.869284 ! Fit after self-cal, rms=0.172812Jy sigma=1.288982 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.814 mas, bmaj=7.623 mas, bpa=-0.6367 degrees ! Estimated noise=1.84914 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 = -0.0160429 Jy ! Component: 100 - total flux cleaned = -0.019144 Jy ! Component: 150 - total flux cleaned = -0.0229222 Jy ! Component: 200 - total flux cleaned = -0.0248288 Jy ! Total flux subtracted in 200 components = -0.0248288 Jy ! Clean residual min=-0.016049 max=0.016973 Jy/beam ! Clean residual mean=-0.000081 rms=0.003663 Jy/beam ! Combined flux in latest and established models = 1.17479 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 114 components and 1.17479 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.167098Jy sigma=1.242210 ! Fit after self-cal, rms=0.167568Jy sigma=1.237464 ! 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=0.167568Jy sigma=1.237464 ! Fit after self-cal, rms=0.164496Jy sigma=1.145562 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.821 mas, bmaj=7.647 mas, bpa=-0.574 degrees ! Estimated noise=1.8474 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0156007 Jy ! Component: 100 - total flux cleaned = -0.0173814 Jy ! Component: 150 - total flux cleaned = -0.0185039 Jy ! Component: 200 - total flux cleaned = -0.0191998 Jy ! Total flux subtracted in 200 components = -0.0191998 Jy ! Clean residual min=-0.013336 max=0.013235 Jy/beam ! Clean residual mean=-0.000089 rms=0.003000 Jy/beam ! Combined flux in latest and established models = 1.15559 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 137 components and 1.15559 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.161190Jy sigma=1.118771 ! Fit after self-cal, rms=0.160620Jy sigma=1.115495 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 = -0.00260875 Jy ! Component: 100 - total flux cleaned = -0.00228365 Jy ! Component: 150 - total flux cleaned = -0.00281931 Jy ! Component: 200 - total flux cleaned = -0.00306225 Jy ! Total flux subtracted in 200 components = -0.00306225 Jy ! Clean residual min=-0.012434 max=0.012431 Jy/beam ! Clean residual mean=-0.000097 rms=0.002884 Jy/beam ! Combined flux in latest and established models = 1.15252 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 158 components and 1.15252 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.159119Jy sigma=1.104163 ! Fit after self-cal, rms=0.158777Jy sigma=1.102255 ! 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=0.158777Jy sigma=1.102255 ! Fit after self-cal, rms=0.162582Jy sigma=1.088307 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.826 mas, bmaj=7.662 mas, bpa=-0.5081 degrees ! Estimated noise=1.85044 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00975954 Jy ! Component: 100 - total flux cleaned = -0.0129263 Jy ! Component: 150 - total flux cleaned = -0.0150441 Jy ! Component: 200 - total flux cleaned = -0.0159835 Jy ! Total flux subtracted in 200 components = -0.0159835 Jy ! Clean residual min=-0.011796 max=0.011138 Jy/beam ! Clean residual mean=-0.000110 rms=0.002669 Jy/beam ! Combined flux in latest and established models = 1.13654 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 168 components and 1.13654 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.160893Jy sigma=1.075225 ! Fit after self-cal, rms=0.160453Jy sigma=1.073222 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 = -0.00167514 Jy ! Component: 100 - total flux cleaned = -0.0016692 Jy ! Component: 150 - total flux cleaned = -0.00184626 Jy ! Component: 200 - total flux cleaned = -0.00202146 Jy ! Total flux subtracted in 200 components = -0.00202146 Jy ! Clean residual min=-0.011157 max=0.010540 Jy/beam ! Clean residual mean=-0.000115 rms=0.002608 Jy/beam ! Combined flux in latest and established models = 1.13452 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 181 components and 1.13452 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.159645Jy sigma=1.068017 ! Fit after self-cal, rms=0.159431Jy sigma=1.066786 ! 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=0.159431Jy sigma=1.066786 ! Fit after self-cal, rms=0.162108Jy sigma=1.062091 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.676 mas, bmaj=22.77 mas, bpa=0.336 degrees ! Estimated noise=2.49503 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0108739 Jy ! Component: 100 - total flux cleaned = -0.0122852 Jy ! Component: 150 - total flux cleaned = -0.012761 Jy ! Component: 200 - total flux cleaned = -0.0127615 Jy ! Total flux subtracted in 200 components = -0.0127615 Jy ! Clean residual min=-0.013231 max=0.012748 Jy/beam ! Clean residual mean=-0.000264 rms=0.003806 Jy/beam ! Combined flux in latest and established models = 1.12176 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 189 components and 1.12176 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.161175Jy sigma=1.057682 ! Fit after self-cal, rms=0.160805Jy sigma=1.054760 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 = -0.00128841 Jy ! Component: 100 - total flux cleaned = -0.000498387 Jy ! Component: 150 - total flux cleaned = -0.000262385 Jy ! Component: 200 - total flux cleaned = -0.000260784 Jy ! Total flux subtracted in 200 components = -0.000260784 Jy ! Clean residual min=-0.013022 max=0.012503 Jy/beam ! Clean residual mean=-0.000264 rms=0.003768 Jy/beam ! Combined flux in latest and established models = 1.1215 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 199 components and 1.1215 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.160431Jy sigma=1.054083 ! Fit after self-cal, rms=0.160266Jy sigma=1.052720 ! 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=2.829 mas, bmaj=7.677 mas, bpa=-0.4463 degrees ! Estimated noise=1.85304 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.829 x 7.677 at -0.4463 degrees (North through East) ! Clean map min=-0.011645 max=0.76418 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=0.160266Jy sigma=1.052720 ! Fit after self-cal, rms=0.158447Jy sigma=0.954086 ! Inverting map and beam ! Estimated beam: bmin=2.826 mas, bmaj=7.685 mas, bpa=-0.3035 degrees ! Estimated noise=1.84828 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00745069 Jy ! Component: 100 - total flux cleaned = -0.00964327 Jy ! Component: 150 - total flux cleaned = -0.0111375 Jy ! Component: 200 - total flux cleaned = -0.0122832 Jy ! Total flux subtracted in 200 components = -0.0122832 Jy ! Clean residual min=-0.009315 max=0.008664 Jy/beam ! Clean residual mean=-0.000099 rms=0.002285 Jy/beam ! Combined flux in latest and established models = 1.10921 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 212 components and 1.10921 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.157626Jy sigma=0.946806 ! Fit after self-cal, rms=0.157490Jy sigma=0.946078 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00228629 Jy ! Component: 100 - total flux cleaned = -0.00269763 Jy ! Component: 150 - total flux cleaned = -0.00293543 Jy ! Component: 200 - total flux cleaned = -0.00326625 Jy ! Total flux subtracted in 200 components = -0.00326625 Jy ! Clean residual min=-0.008981 max=0.008469 Jy/beam ! Clean residual mean=-0.000108 rms=0.002272 Jy/beam ! Combined flux in latest and established models = 1.10595 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 221 components and 1.10595 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.157124Jy sigma=0.943480 ! Fit after self-cal, rms=0.157021Jy sigma=0.943007 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.157021Jy sigma=0.943007 ! Fit after self-cal, rms=0.159278Jy sigma=0.939923 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=2.345 mas, bmaj=6.597 mas, bpa=-0.6388 degrees ! Estimated noise=2.23967 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.642735 Jy ! Component: 100 - total flux cleaned = 0.798048 Jy ! Component: 150 - total flux cleaned = 0.873016 Jy ! Component: 200 - total flux cleaned = 0.922569 Jy ! Total flux subtracted in 200 components = 0.922569 Jy ! Clean residual min=-0.022997 max=0.028801 Jy/beam ! Clean residual mean=-0.000129 rms=0.004484 Jy/beam ! Combined flux in latest and established models = 0.922569 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 23 model components to the UV plane model. ! The established model now contains 23 components and 0.922569 Jy ! Inverting map and beam ! Estimated beam: bmin=2.828 mas, bmaj=7.696 mas, bpa=-0.2744 degrees ! Estimated noise=1.84972 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 = 0.0559098 Jy ! Component: 100 - total flux cleaned = 0.0922258 Jy ! Component: 150 - total flux cleaned = 0.117792 Jy ! Component: 200 - total flux cleaned = 0.136026 Jy ! Total flux subtracted in 200 components = 0.136026 Jy ! Clean residual min=-0.010629 max=0.013650 Jy/beam ! Clean residual mean=-0.000195 rms=0.002973 Jy/beam ! Combined flux in latest and established models = 1.05859 Jy ! Adding 49 model components to the UV plane model. ! The established model now contains 62 components and 1.05859 Jy ! Inverting map ! Added new window around map position (-3, 9.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0141472 Jy ! Component: 100 - total flux cleaned = 0.0227964 Jy ! Component: 150 - total flux cleaned = 0.0262265 Jy ! Component: 200 - total flux cleaned = 0.0281236 Jy ! Total flux subtracted in 200 components = 0.0281236 Jy ! Clean residual min=-0.010056 max=0.009996 Jy/beam ! Clean residual mean=-0.000128 rms=0.002402 Jy/beam ! Combined flux in latest and established models = 1.08672 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 88 components and 1.08672 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=7.733 mas, bmaj=22.94 mas, bpa=0.4125 degrees ! Estimated noise=2.48183 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00670607 Jy ! Component: 100 - total flux cleaned = 0.0078548 Jy ! Component: 150 - total flux cleaned = 0.0084839 Jy ! Component: 200 - total flux cleaned = 0.00901955 Jy ! Total flux subtracted in 200 components = 0.00901955 Jy ! Clean residual min=-0.010397 max=0.011062 Jy/beam ! Clean residual mean=-0.000237 rms=0.003344 Jy/beam ! Combined flux in latest and established models = 1.09574 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 = 0.000348481 Jy ! Component: 100 - total flux cleaned = 0.000752002 Jy ! Component: 150 - total flux cleaned = 0.0010136 Jy ! Component: 200 - total flux cleaned = 0.00124484 Jy ! Total flux subtracted in 200 components = 0.00124484 Jy ! Clean residual min=-0.010313 max=0.010985 Jy/beam ! Clean residual mean=-0.000228 rms=0.003296 Jy/beam ! Combined flux in latest and established models = 1.09698 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 107 components and 1.09698 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.828 mas, bmaj=7.696 mas, bpa=-0.2744 degrees ! Estimated noise=1.84972 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.001495 Jy ! Component: 100 - total flux cleaned = -0.00172041 Jy ! Component: 150 - total flux cleaned = -0.00208642 Jy ! Component: 200 - total flux cleaned = -0.00208323 Jy ! Total flux subtracted in 200 components = -0.00208323 Jy ! Clean residual min=-0.009708 max=0.008983 Jy/beam ! Clean residual mean=-0.000105 rms=0.002233 Jy/beam ! Combined flux in latest and established models = 1.0949 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 124 components and 1.0949 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.159618Jy sigma=0.942562 ! Fit after self-cal, rms=0.158808Jy sigma=0.937360 wmodel J1937-3958_S_a_map.mod ! Writing 124 model components to file: J1937-3958_S_a_map.mod wobs J1937-3958_S_a_uvs.fits ! Writing UV FITS file: J1937-3958_S_a_uvs.fits wwins J1937-3958_S_a_map.win ! wwins: Wrote 6 windows to J1937-3958_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 = -0.000740415 Jy ! Component: 100 - total flux cleaned = -0.0010436 Jy ! Component: 150 - total flux cleaned = -0.000764448 Jy ! Component: 200 - total flux cleaned = -0.000895969 Jy ! Component: 250 - total flux cleaned = -0.00141665 Jy ! Component: 300 - total flux cleaned = -0.00204974 Jy ! Component: 350 - total flux cleaned = -0.00278906 Jy ! Component: 400 - total flux cleaned = -0.00375006 Jy ! Component: 450 - total flux cleaned = -0.00457348 Jy ! Component: 500 - total flux cleaned = -0.0050359 Jy ! Component: 550 - total flux cleaned = -0.00582985 Jy ! Component: 600 - total flux cleaned = -0.00616404 Jy ! Component: 650 - total flux cleaned = -0.00671026 Jy ! Component: 700 - total flux cleaned = -0.00703146 Jy ! Component: 750 - total flux cleaned = -0.00745338 Jy ! Component: 800 - total flux cleaned = -0.00734713 Jy ! Component: 850 - total flux cleaned = -0.00775945 Jy ! Component: 900 - total flux cleaned = -0.00755521 Jy ! Component: 950 - total flux cleaned = -0.00815715 Jy ! Component: 1000 - total flux cleaned = -0.00815556 Jy ! Component: 1050 - total flux cleaned = -0.00815521 Jy ! Component: 1100 - total flux cleaned = -0.0082521 Jy ! Component: 1150 - total flux cleaned = -0.00882435 Jy ! Component: 1200 - total flux cleaned = -0.00882375 Jy ! Component: 1250 - total flux cleaned = -0.00882355 Jy ! Component: 1300 - total flux cleaned = -0.00900757 Jy ! Component: 1350 - total flux cleaned = -0.00928271 Jy ! Component: 1400 - total flux cleaned = -0.00946398 Jy ! Component: 1450 - total flux cleaned = -0.0100022 Jy ! Component: 1500 - total flux cleaned = -0.0102695 Jy ! Component: 1550 - total flux cleaned = -0.010357 Jy ! Component: 1600 - total flux cleaned = -0.0108808 Jy ! Component: 1650 - total flux cleaned = -0.0111408 Jy ! Component: 1700 - total flux cleaned = -0.0114836 Jy ! Component: 1750 - total flux cleaned = -0.0120774 Jy ! Component: 1800 - total flux cleaned = -0.0121607 Jy ! Component: 1850 - total flux cleaned = -0.0122435 Jy ! Component: 1900 - total flux cleaned = -0.0128251 Jy ! Component: 1950 - total flux cleaned = -0.013153 Jy ! Component: 2000 - total flux cleaned = -0.0130718 Jy ! Component: 2050 - total flux cleaned = -0.0139615 Jy ! Component: 2100 - total flux cleaned = -0.0137207 Jy ! Component: 2150 - total flux cleaned = -0.0143564 Jy ! Component: 2200 - total flux cleaned = -0.0142785 Jy ! Component: 2250 - total flux cleaned = -0.0147477 Jy ! Component: 2300 - total flux cleaned = -0.0146701 Jy ! Component: 2350 - total flux cleaned = -0.0151326 Jy ! Component: 2400 - total flux cleaned = -0.015208 Jy ! Component: 2450 - total flux cleaned = -0.0154371 Jy ! Component: 2500 - total flux cleaned = -0.0154375 Jy ! Component: 2550 - total flux cleaned = -0.015961 Jy ! Component: 2600 - total flux cleaned = -0.0158866 Jy ! Component: 2650 - total flux cleaned = -0.015887 Jy ! Component: 2700 - total flux cleaned = -0.0163264 Jy ! Component: 2750 - total flux cleaned = -0.0166904 Jy ! Component: 2800 - total flux cleaned = -0.0166173 Jy ! Component: 2850 - total flux cleaned = -0.0169041 Jy ! Component: 2900 - total flux cleaned = -0.0170458 Jy ! Component: 2950 - total flux cleaned = -0.0169744 Jy ! Component: 3000 - total flux cleaned = -0.0171859 Jy ! Component: 3050 - total flux cleaned = -0.0172557 Jy ! Component: 3100 - total flux cleaned = -0.0171174 Jy ! Component: 3150 - total flux cleaned = -0.0171863 Jy ! Component: 3200 - total flux cleaned = -0.0174608 Jy ! Component: 3250 - total flux cleaned = -0.0173923 Jy ! Component: 3300 - total flux cleaned = -0.0174603 Jy ! Component: 3350 - total flux cleaned = -0.017663 Jy ! Component: 3400 - total flux cleaned = -0.0175965 Jy ! Component: 3450 - total flux cleaned = -0.0176622 Jy ! Component: 3500 - total flux cleaned = -0.0179922 Jy ! Component: 3550 - total flux cleaned = -0.0176643 Jy ! Component: 3600 - total flux cleaned = -0.0177303 Jy ! Component: 3650 - total flux cleaned = -0.0179897 Jy ! Component: 3700 - total flux cleaned = -0.0181832 Jy ! Component: 3750 - total flux cleaned = -0.0180546 Jy ! Component: 3800 - total flux cleaned = -0.0183732 Jy ! Component: 3850 - total flux cleaned = -0.0183099 Jy ! Component: 3900 - total flux cleaned = -0.0187506 Jy ! Component: 3950 - total flux cleaned = -0.0188134 Jy ! Component: 4000 - total flux cleaned = -0.0191244 Jy ! Component: 4050 - total flux cleaned = -0.0193724 Jy ! Total flux subtracted in 4096 components = -0.0191269 Jy ! Clean residual min=-0.003260 max=0.003475 Jy/beam ! Clean residual mean=-0.000019 rms=0.001199 Jy/beam ! Combined flux in latest and established models = 1.07577 Jy keep ! Adding 324 model components to the UV plane model. ! The established model now contains 447 components and 1.07577 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1937-3958_S_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.828 x 7.696 at -0.2744 degrees (North through East) ! Clean map min=-0.0070578 max=0.78341 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1937-3958_S_a_map.fits wmodel /vlbi/uf001/uvm//J1937-3958_S_a_map.mod ! Writing 447 model components to file: /vlbi/uf001/uvm//J1937-3958_S_a_map.mod wobs /vlbi/uf001/uvm//J1937-3958_S_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1937-3958_S_a_uvs.fits wwins /vlbi/uf001/uvm//J1937-3958_S_a_map.win ! wwins: Wrote 7 windows to /vlbi/uf001/uvm//J1937-3958_S_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.783413 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00119339 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.456995 0.456995 0.913991 1.82798 3.65596 7.31193 14.6239 29.2477 58.4954 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0035 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.783 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 656.461 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1937-3958_S_a_dfm.log closed on Sun Jan 13 22:22:55 2019