! Started logfile: /vlbi/bs262/maps//J0642+6758_C_20180408_dfm.log on Mon Jun 4 23:19:16 2018 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs /vlbi/bs262/maps//J0642+6758_C_20180408_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0642+6758_C_20180408_uva.fits ! AN table 1: 22 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.955556 visibilities/baseline/integration-bin. ! Found source: J0642+6758 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 7568 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 8 channels. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J0642+6758_C] 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 0.300x0.300 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 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.050872Jy sigma=25.896022 ! Fit after self-cal, rms=0.705463Jy sigma=17.366509 ! 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=1.206 mas, bmaj=5.187 mas, bpa=-2.326 degrees ! Estimated noise=0.500658 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 = 0.216439 Jy ! Component: 100 - total flux cleaned = 0.278028 Jy ! Total flux subtracted in 100 components = 0.278028 Jy ! Clean residual min=-0.013047 max=0.027105 Jy/beam ! Clean residual mean=0.000001 rms=0.002717 Jy/beam ! Combined flux in latest and established models = 0.278028 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.278028 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.073279Jy sigma=1.653277 ! Fit after self-cal, rms=0.073055Jy sigma=1.648112 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0301739 Jy ! Component: 100 - total flux cleaned = 0.0460358 Jy ! Total flux subtracted in 100 components = 0.0460358 Jy ! Clean residual min=-0.008381 max=0.010936 Jy/beam ! Clean residual mean=-0.000005 rms=0.001750 Jy/beam ! Combined flux in latest and established models = 0.324064 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 9 components and 0.324064 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.058279Jy sigma=1.289110 ! Fit after self-cal, rms=0.058205Jy sigma=1.288011 ! Inverting map ! Added new window around map position (-9.6, -62.7). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.01068 Jy ! Component: 100 - total flux cleaned = 0.0167866 Jy ! Total flux subtracted in 100 components = 0.0167866 Jy ! Clean residual min=-0.007693 max=0.009708 Jy/beam ! Clean residual mean=-0.000006 rms=0.001583 Jy/beam ! Combined flux in latest and established models = 0.34085 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 18 components and 0.34085 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.056636Jy sigma=1.256793 ! Fit after self-cal, rms=0.056515Jy sigma=1.253812 ! 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=1.537 mas, bmaj=5.221 mas, bpa=-2.634 degrees ! Estimated noise=0.344681 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 = 0.0033716 Jy ! Component: 100 - total flux cleaned = 0.00410209 Jy ! Component: 150 - total flux cleaned = 0.00410301 Jy ! Component: 200 - total flux cleaned = 0.00410184 Jy ! Total flux subtracted in 200 components = 0.00410184 Jy ! Clean residual min=-0.007147 max=0.006858 Jy/beam ! Clean residual mean=-0.000013 rms=0.001499 Jy/beam ! Combined flux in latest and established models = 0.344952 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 34 components and 0.344952 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.056143Jy sigma=1.246961 ! Fit after self-cal, rms=0.056133Jy sigma=1.246553 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.537 x 5.221 at -2.634 degrees (North through East) ! Clean map min=-0.0069129 max=0.2915 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.94 HN 0.97 KP 0.98 ! LA 1.04 MK 1.04 NL 1.05 OV 1.02 ! PT 0.92 SC 0.92 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.96 HN 0.98 KP 0.97 ! LA 1.04 MK 1.05 NL 1.04 OV 1.02 ! PT 0.94 SC 0.91 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.95 HN 0.97 KP 0.98 ! LA 1.06 MK 1.00 NL 1.05 OV 1.03 ! PT 0.91 SC 0.93 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.93 HN 0.96 KP 0.98 ! LA 1.10 MK 1.05 NL 1.07 OV 1.04 ! PT 0.99 SC 0.92 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.95 HN 0.99 KP 0.97 ! LA 1.06 MK 1.08 NL 1.05 OV 1.03 ! PT 0.94 SC 0.95 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.96 HN 0.98 KP 0.98 ! LA 1.07 MK 1.07 NL 1.05 OV 1.03 ! PT 0.94 SC 0.94 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.96 HN 0.98 KP 0.98 ! LA 1.08 MK 1.08 NL 1.06 OV 1.02 ! PT 0.93 SC 0.96 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.96 HN 0.97 KP 0.99 ! LA 1.09 MK 1.10 NL 1.05 OV 1.04 ! PT 0.93 SC 0.92 ! ! ! Fit before self-cal, rms=0.056133Jy sigma=1.246553 ! Fit after self-cal, rms=0.054189Jy sigma=1.132587 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.538 mas, bmaj=5.193 mas, bpa=-2.676 degrees ! Estimated noise=0.344343 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 = -0.00116123 Jy ! Component: 100 - total flux cleaned = -0.00146763 Jy ! Component: 150 - total flux cleaned = -0.00176861 Jy ! Component: 200 - total flux cleaned = -0.00192159 Jy ! Total flux subtracted in 200 components = -0.00192159 Jy ! Clean residual min=-0.003651 max=0.003975 Jy/beam ! Clean residual mean=-0.000006 rms=0.000782 Jy/beam ! Combined flux in latest and established models = 0.343031 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 52 components and 0.343031 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.053967Jy sigma=1.128079 ! Fit after self-cal, rms=0.053973Jy sigma=1.127578 ! Inverting map ! Added new window around map position (-5.4, -36). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00191303 Jy ! Component: 100 - total flux cleaned = 0.00251277 Jy ! Component: 150 - total flux cleaned = 0.00281005 Jy ! Component: 200 - total flux cleaned = 0.00272795 Jy ! Total flux subtracted in 200 components = 0.00272795 Jy ! Clean residual min=-0.003357 max=0.003513 Jy/beam ! Clean residual mean=-0.000006 rms=0.000717 Jy/beam ! Combined flux in latest and established models = 0.345759 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 84 components and 0.345759 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.053569Jy sigma=1.114557 ! Fit after self-cal, rms=0.053551Jy sigma=1.114248 ! Inverting map ! Added new window around map position (6.6, 66.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00110234 Jy ! Component: 100 - total flux cleaned = 0.00122017 Jy ! Component: 150 - total flux cleaned = 0.000943216 Jy ! Component: 200 - total flux cleaned = 0.000700869 Jy ! Total flux subtracted in 200 components = 0.000700869 Jy ! Clean residual min=-0.003237 max=0.002996 Jy/beam ! Clean residual mean=-0.000005 rms=0.000673 Jy/beam ! Combined flux in latest and established models = 0.346459 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 123 components and 0.346459 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.053106Jy sigma=1.103641 ! Fit after self-cal, rms=0.053091Jy sigma=1.103259 ! 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. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.053091Jy sigma=1.103259 ! Fit after self-cal, rms=0.053091Jy sigma=1.102920 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.538 mas, bmaj=5.193 mas, bpa=-2.683 degrees ! Estimated noise=0.344324 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000695524 Jy ! Component: 100 - total flux cleaned = 0.000696489 Jy ! Component: 150 - total flux cleaned = 0.000696768 Jy ! Component: 200 - total flux cleaned = 0.00076238 Jy ! Total flux subtracted in 200 components = 0.00076238 Jy ! Clean residual min=-0.003140 max=0.003030 Jy/beam ! Clean residual mean=-0.000005 rms=0.000648 Jy/beam ! Combined flux in latest and established models = 0.347222 Jy selfcal ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 140 components and 0.347222 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.052936Jy sigma=1.098851 ! Fit after self-cal, rms=0.052934Jy sigma=1.098783 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 = 0.000193276 Jy ! Component: 100 - total flux cleaned = 0.000250839 Jy ! Component: 150 - total flux cleaned = 0.000305 Jy ! Component: 200 - total flux cleaned = 0.000304374 Jy ! Total flux subtracted in 200 components = 0.000304374 Jy ! Clean residual min=-0.003093 max=0.002966 Jy/beam ! Clean residual mean=-0.000005 rms=0.000637 Jy/beam ! Combined flux in latest and established models = 0.347526 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 154 components and 0.347526 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.052830Jy sigma=1.096256 ! Fit after self-cal, rms=0.052828Jy sigma=1.096224 ! 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. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.052828Jy sigma=1.096224 ! Fit after self-cal, rms=0.053910Jy sigma=1.091633 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.544 mas, bmaj=5.189 mas, bpa=-2.721 degrees ! Estimated noise=0.345728 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000747569 Jy ! Component: 100 - total flux cleaned = 0.000951004 Jy ! Component: 150 - total flux cleaned = 0.000999133 Jy ! Component: 200 - total flux cleaned = 0.00104358 Jy ! Total flux subtracted in 200 components = 0.00104358 Jy ! Clean residual min=-0.003061 max=0.002835 Jy/beam ! Clean residual mean=-0.000005 rms=0.000621 Jy/beam ! Combined flux in latest and established models = 0.34857 Jy selfcal ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 177 components and 0.34857 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.053805Jy sigma=1.089916 ! Fit after self-cal, rms=0.053806Jy sigma=1.089878 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 = 1.66411e-06 Jy ! Component: 100 - total flux cleaned = -4.04423e-05 Jy ! Component: 150 - total flux cleaned = -4.11425e-05 Jy ! Component: 200 - total flux cleaned = -8.17616e-05 Jy ! Total flux subtracted in 200 components = -8.17616e-05 Jy ! Clean residual min=-0.003012 max=0.002838 Jy/beam ! Clean residual mean=-0.000005 rms=0.000617 Jy/beam ! Combined flux in latest and established models = 0.348488 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 192 components and 0.348488 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.053744Jy sigma=1.088613 ! Fit after self-cal, rms=0.053744Jy sigma=1.088598 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 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. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.053744Jy sigma=1.088598 ! Fit after self-cal, rms=0.053914Jy sigma=1.084180 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.407 mas, bmaj=5.546 mas, bpa=-6.284 degrees ! Estimated noise=0.448477 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000637434 Jy ! Component: 100 - total flux cleaned = -0.000571142 Jy ! Component: 150 - total flux cleaned = -0.000518936 Jy ! Component: 200 - total flux cleaned = -0.000478013 Jy ! Total flux subtracted in 200 components = -0.000478013 Jy ! Clean residual min=-0.002210 max=0.002122 Jy/beam ! Clean residual mean=-0.000011 rms=0.000642 Jy/beam ! Combined flux in latest and established models = 0.34801 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 212 components and 0.34801 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.053907Jy sigma=1.083996 ! Fit after self-cal, rms=0.053908Jy sigma=1.083939 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 = -1.95342e-05 Jy ! Component: 100 - total flux cleaned = -3.87475e-05 Jy ! Component: 150 - total flux cleaned = 1.05805e-05 Jy ! Component: 200 - total flux cleaned = 2.61206e-05 Jy ! Total flux subtracted in 200 components = 2.61206e-05 Jy ! Clean residual min=-0.002210 max=0.002106 Jy/beam ! Clean residual mean=-0.000011 rms=0.000637 Jy/beam ! Combined flux in latest and established models = 0.348036 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 223 components and 0.348036 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.053906Jy sigma=1.083989 ! Fit after self-cal, rms=0.053907Jy sigma=1.083973 ! 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=1.544 mas, bmaj=5.188 mas, bpa=-2.736 degrees ! Estimated noise=0.346336 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.544 x 5.188 at -2.736 degrees (North through East) ! Clean map min=-0.0034445 max=0.29355 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=1.214 mas, bmaj=5.145 mas, bpa=-2.439 degrees ! Estimated noise=0.503679 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.217777 Jy ! Component: 100 - total flux cleaned = 0.277863 Jy ! Component: 150 - total flux cleaned = 0.307233 Jy ! Component: 200 - total flux cleaned = 0.323124 Jy ! Total flux subtracted in 200 components = 0.323124 Jy ! Clean residual min=-0.006460 max=0.008514 Jy/beam ! Clean residual mean=-0.000000 rms=0.001436 Jy/beam ! Combined flux in latest and established models = 0.323124 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.323124 Jy ! Inverting map and beam ! Estimated beam: bmin=1.544 mas, bmaj=5.188 mas, bpa=-2.736 degrees ! Estimated noise=0.346336 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 = 0.00966731 Jy ! Component: 100 - total flux cleaned = 0.0156263 Jy ! Component: 150 - total flux cleaned = 0.0198583 Jy ! Component: 200 - total flux cleaned = 0.0215616 Jy ! Total flux subtracted in 200 components = 0.0215616 Jy ! Clean residual min=-0.003638 max=0.003815 Jy/beam ! Clean residual mean=-0.000005 rms=0.000741 Jy/beam ! Combined flux in latest and established models = 0.344686 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 56 components and 0.344686 Jy ! Inverting map ! Added new window around map position (9.6, 62.7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00204733 Jy ! Component: 100 - total flux cleaned = 0.00218361 Jy ! Component: 150 - total flux cleaned = 0.00231514 Jy ! Component: 200 - total flux cleaned = 0.00243045 Jy ! Total flux subtracted in 200 components = 0.00243045 Jy ! Clean residual min=-0.003356 max=0.003215 Jy/beam ! Clean residual mean=-0.000004 rms=0.000678 Jy/beam ! Combined flux in latest and established models = 0.347116 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 97 components and 0.347116 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.407 mas, bmaj=5.546 mas, bpa=-6.284 degrees ! Estimated noise=0.448477 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000480287 Jy ! Component: 100 - total flux cleaned = 0.000480716 Jy ! Component: 150 - total flux cleaned = 0.000436993 Jy ! Component: 200 - total flux cleaned = 0.00031554 Jy ! Total flux subtracted in 200 components = 0.00031554 Jy ! Clean residual min=-0.002224 max=0.001949 Jy/beam ! Clean residual mean=-0.000010 rms=0.000620 Jy/beam ! Combined flux in latest and established models = 0.347432 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 = -3.67191e-05 Jy ! Component: 100 - total flux cleaned = -3.51757e-05 Jy ! Component: 150 - total flux cleaned = -3.48543e-05 Jy ! Component: 200 - total flux cleaned = -3.48482e-05 Jy ! Total flux subtracted in 200 components = -3.48482e-05 Jy ! Clean residual min=-0.002162 max=0.001861 Jy/beam ! Clean residual mean=-0.000009 rms=0.000607 Jy/beam ! Combined flux in latest and established models = 0.347397 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 139 components and 0.347397 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.544 mas, bmaj=5.188 mas, bpa=-2.736 degrees ! Estimated noise=0.346336 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.02003e-05 Jy ! Component: 100 - total flux cleaned = 0.00011295 Jy ! Component: 150 - total flux cleaned = 0.000196996 Jy ! Component: 200 - total flux cleaned = 0.000278644 Jy ! Total flux subtracted in 200 components = 0.000278644 Jy ! Clean residual min=-0.002900 max=0.002967 Jy/beam ! Clean residual mean=-0.000004 rms=0.000629 Jy/beam ! Combined flux in latest and established models = 0.347676 Jy selfcal ! Performing phase self-cal ! Adding 45 model components to the UV plane model. ! The established model now contains 170 components and 0.347676 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.054199Jy sigma=1.095001 ! Fit after self-cal, rms=0.054172Jy sigma=1.094200 wmodel J0642+6758_C_map.mod ! Writing 170 model components to file: J0642+6758_C_map.mod wobs J0642+6758_C_uvs.fits ! Writing UV FITS file: J0642+6758_C_uvs.fits wwins J0642+6758_C_map.win ! wwins: Wrote 5 windows to J0642+6758_C_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 = -0.000709522 Jy ! Component: 100 - total flux cleaned = -0.00116112 Jy ! Component: 150 - total flux cleaned = -0.00120888 Jy ! Component: 200 - total flux cleaned = -0.00116238 Jy ! Component: 250 - total flux cleaned = -0.00120775 Jy ! Component: 300 - total flux cleaned = -0.00129648 Jy ! Component: 350 - total flux cleaned = -0.00142458 Jy ! Component: 400 - total flux cleaned = -0.00150839 Jy ! Component: 450 - total flux cleaned = -0.00167298 Jy ! Component: 500 - total flux cleaned = -0.00187391 Jy ! Component: 550 - total flux cleaned = -0.0020313 Jy ! Component: 600 - total flux cleaned = -0.00222282 Jy ! Component: 650 - total flux cleaned = -0.00225978 Jy ! Component: 700 - total flux cleaned = -0.00225963 Jy ! Component: 750 - total flux cleaned = -0.00237022 Jy ! Component: 800 - total flux cleaned = -0.00240649 Jy ! Component: 850 - total flux cleaned = -0.00254906 Jy ! Component: 900 - total flux cleaned = -0.00265391 Jy ! Component: 950 - total flux cleaned = -0.00279214 Jy ! Component: 1000 - total flux cleaned = -0.00286056 Jy ! Component: 1050 - total flux cleaned = -0.00306212 Jy ! Component: 1100 - total flux cleaned = -0.003162 Jy ! Component: 1150 - total flux cleaned = -0.00345714 Jy ! Component: 1200 - total flux cleaned = -0.00371571 Jy ! Component: 1250 - total flux cleaned = -0.00387516 Jy ! Component: 1300 - total flux cleaned = -0.00412797 Jy ! Component: 1350 - total flux cleaned = -0.00431538 Jy ! Component: 1400 - total flux cleaned = -0.00453195 Jy ! Component: 1450 - total flux cleaned = -0.00468512 Jy ! Component: 1500 - total flux cleaned = -0.00489737 Jy ! Component: 1550 - total flux cleaned = -0.00522637 Jy ! Component: 1600 - total flux cleaned = -0.00540388 Jy ! Component: 1650 - total flux cleaned = -0.00557994 Jy ! Component: 1700 - total flux cleaned = -0.00575408 Jy ! Component: 1750 - total flux cleaned = -0.00604118 Jy ! Component: 1800 - total flux cleaned = -0.00626815 Jy ! Component: 1850 - total flux cleaned = -0.00646529 Jy ! Component: 1900 - total flux cleaned = -0.00668836 Jy ! Component: 1950 - total flux cleaned = -0.0068817 Jy ! Component: 2000 - total flux cleaned = -0.00710051 Jy ! Component: 2050 - total flux cleaned = -0.00726292 Jy ! Component: 2100 - total flux cleaned = -0.007397 Jy ! Component: 2150 - total flux cleaned = -0.00755669 Jy ! Component: 2200 - total flux cleaned = -0.00782003 Jy ! Component: 2250 - total flux cleaned = -0.00787232 Jy ! Component: 2300 - total flux cleaned = -0.00807985 Jy ! Component: 2350 - total flux cleaned = -0.00828561 Jy ! Component: 2400 - total flux cleaned = -0.00848911 Jy ! Component: 2450 - total flux cleaned = -0.00853968 Jy ! Component: 2500 - total flux cleaned = -0.00874028 Jy ! Component: 2550 - total flux cleaned = -0.00898892 Jy ! Component: 2600 - total flux cleaned = -0.00918599 Jy ! Component: 2650 - total flux cleaned = -0.00925916 Jy ! Component: 2700 - total flux cleaned = -0.00945332 Jy ! Component: 2750 - total flux cleaned = -0.00959789 Jy ! Component: 2800 - total flux cleaned = -0.00969363 Jy ! Component: 2850 - total flux cleaned = -0.00985983 Jy ! Component: 2900 - total flux cleaned = -0.010001 Jy ! Component: 2950 - total flux cleaned = -0.0101176 Jy ! Component: 3000 - total flux cleaned = -0.0102334 Jy ! Component: 3050 - total flux cleaned = -0.0103713 Jy ! Component: 3100 - total flux cleaned = -0.0104168 Jy ! Component: 3150 - total flux cleaned = -0.0104621 Jy ! Component: 3200 - total flux cleaned = -0.0105747 Jy ! Component: 3250 - total flux cleaned = -0.0107087 Jy ! Component: 3300 - total flux cleaned = -0.0107087 Jy ! Component: 3350 - total flux cleaned = -0.0107969 Jy ! Component: 3400 - total flux cleaned = -0.0108187 Jy ! Component: 3450 - total flux cleaned = -0.0109489 Jy ! Component: 3500 - total flux cleaned = -0.0110136 Jy ! Component: 3550 - total flux cleaned = -0.0111418 Jy ! Component: 3600 - total flux cleaned = -0.0111629 Jy ! Component: 3650 - total flux cleaned = -0.0111628 Jy ! Component: 3700 - total flux cleaned = -0.011184 Jy ! Component: 3750 - total flux cleaned = -0.011309 Jy ! Component: 3800 - total flux cleaned = -0.0114332 Jy ! Component: 3850 - total flux cleaned = -0.0114125 Jy ! Component: 3900 - total flux cleaned = -0.0114944 Jy ! Component: 3950 - total flux cleaned = -0.0115757 Jy ! Component: 4000 - total flux cleaned = -0.0115556 Jy ! Component: 4050 - total flux cleaned = -0.0115759 Jy ! Total flux subtracted in 4096 components = -0.0116956 Jy ! Clean residual min=-0.001043 max=0.001061 Jy/beam ! Clean residual mean=-0.000002 rms=0.000346 Jy/beam ! Combined flux in latest and established models = 0.33598 Jy keep ! Adding 327 model components to the UV plane model. ! The established model now contains 495 components and 0.33598 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0642+6758_C_20180408_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.544 x 5.188 at -2.736 degrees (North through East) ! Clean map min=-0.0033909 max=0.29397 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0642+6758_C_20180408_map.fits wmodel /vlbi/bs262/maps//J0642+6758_C_20180408_map.mod ! Writing 495 model components to file: /vlbi/bs262/maps//J0642+6758_C_20180408_map.mod wobs /vlbi/bs262/maps//J0642+6758_C_20180408_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0642+6758_C_20180408_uvs.fits wwins /vlbi/bs262/maps//J0642+6758_C_20180408_map.win ! wwins: Wrote 6 windows to /vlbi/bs262/maps//J0642+6758_C_20180408_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.293973 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000341187 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.348182 0.348182 0.696363 1.39273 2.78545 5.57091 11.1418 22.2836 44.5672 89.1345 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.293 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 861.619 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0642+6758_C_20180408_dfm.log closed on Mon Jun 4 23:19:21 2018