! Started logfile: /vlbi/sb072/temp_maps//J1937-3958_X_dfm.log on Sat Dec 15 22:38:03 2018 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 7.39200 obs /vlbi/sb072/temp_maps//J1937-3958_X_uvm.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1937-3958_X_uvm.fits ! AN table 1: 14 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.979592 visibilities/baseline/integration-bin. ! Found source: J1937-3958 ! ! 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 7.392e+09 3.2e+07 1 3.2e+07 ! 02 2 7.424e+09 3.2e+07 1 3.2e+07 ! 03 3 7.456e+09 3.2e+07 1 3.2e+07 ! 04 4 7.552e+09 3.2e+07 1 3.2e+07 ! 05 5 7.744e+09 3.2e+07 1 3.2e+07 ! 06 6 7.776e+09 3.2e+07 1 3.2e+07 ! 07 7 7.808e+09 3.2e+07 1 3.2e+07 ! 08 8 7.84e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 85 lines of history. ! ! Reading 2304 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 = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J1937-3958_X] 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 0.200x0.200 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 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.164137Jy sigma=26.416478 ! Fit after self-cal, rms=0.461632Jy sigma=9.599983 ! 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=0.6 mas, bmaj=1.863 mas, bpa=-9.098 degrees ! Estimated noise=1.13732 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 = 0.433505 Jy ! Component: 100 - total flux cleaned = 0.528037 Jy ! Total flux subtracted in 100 components = 0.528037 Jy ! Clean residual min=-0.032591 max=0.054740 Jy/beam ! Clean residual mean=0.000053 rms=0.005569 Jy/beam ! Combined flux in latest and established models = 0.528037 Jy ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 0.528037 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=0.126701Jy sigma=2.573771 ! Fit after self-cal, rms=0.126692Jy sigma=2.573741 ! Inverting map ! Added new window around map position (-1.2, -5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0456683 Jy ! Component: 100 - total flux cleaned = 0.063743 Jy ! Total flux subtracted in 100 components = 0.063743 Jy ! Clean residual min=-0.020588 max=0.046128 Jy/beam ! Clean residual mean=0.000038 rms=0.004341 Jy/beam ! Combined flux in latest and established models = 0.59178 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 11 components and 0.59178 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=0.105342Jy sigma=2.026900 ! Fit after self-cal, rms=0.101900Jy sigma=1.899232 ! Inverting map ! Added new window around map position (1.2, 5.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0301507 Jy ! Component: 100 - total flux cleaned = 0.0460086 Jy ! Total flux subtracted in 100 components = 0.0460086 Jy ! Clean residual min=-0.022154 max=0.018870 Jy/beam ! Clean residual mean=0.000028 rms=0.003341 Jy/beam ! Combined flux in latest and established models = 0.637788 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 18 components and 0.637788 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=0.086625Jy sigma=1.547285 ! Fit after self-cal, rms=0.086317Jy sigma=1.541915 ! 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=0.8082 mas, bmaj=2.27 mas, bpa=-8.386 degrees ! Estimated noise=0.721027 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 = 0.0233524 Jy ! Component: 100 - total flux cleaned = 0.0378609 Jy ! Component: 150 - total flux cleaned = 0.0476269 Jy ! Component: 200 - total flux cleaned = 0.0531528 Jy ! Total flux subtracted in 200 components = 0.0531528 Jy ! Clean residual min=-0.021995 max=0.016034 Jy/beam ! Clean residual mean=0.000064 rms=0.004893 Jy/beam ! Combined flux in latest and established models = 0.690941 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 33 components and 0.690941 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=0.077981Jy sigma=1.353699 ! Fit after self-cal, rms=0.077643Jy sigma=1.346966 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8082 x 2.27 at -8.386 degrees (North through East) ! Clean map min=-0.019978 max=0.52936 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 LA 1.00 MK 1.00 NL 1.17 ! OV 0.94 PT 0.97 SC 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 LA 1.00 MK 1.01 NL 1.15 ! OV 0.94 PT 0.97 SC 1.01 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 LA 1.00 MK 1.00 NL 1.17 ! OV 0.94 PT 0.97 SC 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 LA 1.00 MK 1.02 NL 1.13 ! OV 0.94 PT 0.97 SC 1.01 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 LA 0.99 MK 1.03 NL 1.17 ! OV 0.95 PT 0.98 SC 1.02 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 LA 1.00 MK 1.02 NL 1.16 ! OV 0.95 PT 0.99 SC 1.03 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 LA 1.00 MK 1.03 NL 1.16 ! OV 0.94 PT 0.97 SC 1.04 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 LA 0.98 MK 1.01 NL 1.18 ! OV 0.96 PT 0.98 SC 1.03 ! ! ! Fit before self-cal, rms=0.077643Jy sigma=1.346966 ! Fit after self-cal, rms=0.072522Jy sigma=1.130372 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8115 mas, bmaj=2.271 mas, bpa=-8.282 degrees ! Estimated noise=0.734879 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 = -0.00536091 Jy ! Component: 100 - total flux cleaned = -0.00741622 Jy ! Component: 150 - total flux cleaned = -0.00791866 Jy ! Component: 200 - total flux cleaned = -0.00755522 Jy ! Total flux subtracted in 200 components = -0.00755522 Jy ! Clean residual min=-0.012529 max=0.011999 Jy/beam ! Clean residual mean=0.000025 rms=0.002851 Jy/beam ! Combined flux in latest and established models = 0.683386 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 45 components and 0.683386 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=0.069936Jy sigma=1.067340 ! Fit after self-cal, rms=0.069736Jy sigma=1.063492 ! 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=0.069736Jy sigma=1.063492 ! Fit after self-cal, rms=0.066373Jy sigma=0.937235 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8108 mas, bmaj=2.268 mas, bpa=-8.324 degrees ! Estimated noise=0.734477 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00325418 Jy ! Component: 100 - total flux cleaned = -0.00439557 Jy ! Component: 150 - total flux cleaned = -0.00454594 Jy ! Component: 200 - total flux cleaned = -0.00454825 Jy ! Total flux subtracted in 200 components = -0.00454825 Jy ! Clean residual min=-0.010985 max=0.010061 Jy/beam ! Clean residual mean=0.000023 rms=0.002372 Jy/beam ! Combined flux in latest and established models = 0.678838 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 53 components and 0.678838 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=0.065251Jy sigma=0.904271 ! Fit after self-cal, rms=0.065112Jy sigma=0.901723 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 = -4.12737e-05 Jy ! Component: 100 - total flux cleaned = -3.19386e-05 Jy ! Component: 150 - total flux cleaned = -3.24197e-05 Jy ! Component: 200 - total flux cleaned = -0.000117173 Jy ! Total flux subtracted in 200 components = -0.000117173 Jy ! Clean residual min=-0.010191 max=0.009933 Jy/beam ! Clean residual mean=0.000023 rms=0.002325 Jy/beam ! Combined flux in latest and established models = 0.67872 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 59 components and 0.67872 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=0.064725Jy sigma=0.890293 ! Fit after self-cal, rms=0.064626Jy sigma=0.888701 ! 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=0.064626Jy sigma=0.888701 ! Fit after self-cal, rms=0.064684Jy sigma=0.867852 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8099 mas, bmaj=2.267 mas, bpa=-8.324 degrees ! Estimated noise=0.735733 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00272476 Jy ! Component: 100 - total flux cleaned = -0.00341759 Jy ! Component: 150 - total flux cleaned = -0.00363744 Jy ! Component: 200 - total flux cleaned = -0.00373232 Jy ! Total flux subtracted in 200 components = -0.00373232 Jy ! Clean residual min=-0.009336 max=0.009846 Jy/beam ! Clean residual mean=0.000027 rms=0.002172 Jy/beam ! Combined flux in latest and established models = 0.674988 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 64 components and 0.674988 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=0.064104Jy sigma=0.850196 ! Fit after self-cal, rms=0.064032Jy sigma=0.849015 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (4.4, -14). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00901313 Jy ! Component: 100 - total flux cleaned = 0.0135303 Jy ! Component: 150 - total flux cleaned = 0.0167432 Jy ! Component: 200 - total flux cleaned = 0.0181959 Jy ! Total flux subtracted in 200 components = 0.0181959 Jy ! Clean residual min=-0.008034 max=0.005425 Jy/beam ! Clean residual mean=-0.000007 rms=0.001593 Jy/beam ! Combined flux in latest and established models = 0.693184 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 84 components and 0.693184 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=0.062491Jy sigma=0.802566 ! Fit after self-cal, rms=0.062376Jy sigma=0.800218 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 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=0.062376Jy sigma=0.800218 ! Fit after self-cal, rms=0.062405Jy sigma=0.783820 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.349 mas, bmaj=6.932 mas, bpa=-2.833 degrees ! Estimated noise=0.972532 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000842712 Jy ! Component: 100 - total flux cleaned = -0.000857608 Jy ! Component: 150 - total flux cleaned = -0.000754627 Jy ! Component: 200 - total flux cleaned = -0.000590696 Jy ! Total flux subtracted in 200 components = -0.000590696 Jy ! Clean residual min=-0.006278 max=0.007366 Jy/beam ! Clean residual mean=-0.000009 rms=0.002164 Jy/beam ! Combined flux in latest and established models = 0.692593 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 99 components and 0.692593 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=0.062100Jy sigma=0.773104 ! Fit after self-cal, rms=0.062056Jy sigma=0.772100 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 = 0.000401075 Jy ! Component: 100 - total flux cleaned = 0.00039767 Jy ! Component: 150 - total flux cleaned = 0.000398313 Jy ! Component: 200 - total flux cleaned = 0.000442459 Jy ! Total flux subtracted in 200 components = 0.000442459 Jy ! Clean residual min=-0.006258 max=0.007430 Jy/beam ! Clean residual mean=-0.000013 rms=0.002125 Jy/beam ! Combined flux in latest and established models = 0.693036 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 105 components and 0.693036 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=0.062040Jy sigma=0.771921 ! Fit after self-cal, rms=0.062010Jy sigma=0.771224 ! 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=0.81 mas, bmaj=2.267 mas, bpa=-8.324 degrees ! Estimated noise=0.735944 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.81 x 2.267 at -8.324 degrees (North through East) ! Clean map min=-0.0058629 max=0.54638 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. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.062010Jy sigma=0.771224 ! Fit after self-cal, rms=0.057986Jy sigma=0.682157 ! Inverting map and beam ! Estimated beam: bmin=0.8097 mas, bmaj=2.267 mas, bpa=-8.373 degrees ! Estimated noise=0.735818 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00332206 Jy ! Component: 100 - total flux cleaned = -0.00303525 Jy ! Component: 150 - total flux cleaned = -0.00269706 Jy ! Component: 200 - total flux cleaned = -0.00246867 Jy ! Total flux subtracted in 200 components = -0.00246867 Jy ! Clean residual min=-0.005677 max=0.004780 Jy/beam ! Clean residual mean=-0.000000 rms=0.001276 Jy/beam ! Combined flux in latest and established models = 0.690567 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 111 components and 0.690567 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=0.057600Jy sigma=0.669171 ! Fit after self-cal, rms=0.057575Jy sigma=0.668830 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000360287 Jy ! Component: 100 - total flux cleaned = 0.000427344 Jy ! Component: 150 - total flux cleaned = 0.000424917 Jy ! Component: 200 - total flux cleaned = 0.000364996 Jy ! Total flux subtracted in 200 components = 0.000364996 Jy ! Clean residual min=-0.005445 max=0.004722 Jy/beam ! Clean residual mean=-0.000001 rms=0.001258 Jy/beam ! Combined flux in latest and established models = 0.690932 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 119 components and 0.690932 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=0.057423Jy sigma=0.663803 ! Fit after self-cal, rms=0.057408Jy sigma=0.663538 ! Inverting map ! Performing amp+phase self-cal ! ! 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=0.057408Jy sigma=0.663538 ! Fit after self-cal, rms=0.057671Jy sigma=0.660116 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=0.6004 mas, bmaj=1.855 mas, bpa=-8.964 degrees ! Estimated noise=1.16431 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.443652 Jy ! Component: 100 - total flux cleaned = 0.542023 Jy ! Component: 150 - total flux cleaned = 0.574052 Jy ! Component: 200 - total flux cleaned = 0.591461 Jy ! Total flux subtracted in 200 components = 0.591461 Jy ! Clean residual min=-0.013100 max=0.011340 Jy/beam ! Clean residual mean=0.000023 rms=0.002015 Jy/beam ! Combined flux in latest and established models = 0.591461 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.591461 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8093 mas, bmaj=2.266 mas, bpa=-8.379 degrees ! Estimated noise=0.735396 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 = 0.0262619 Jy ! Component: 100 - total flux cleaned = 0.041947 Jy ! Component: 150 - total flux cleaned = 0.0532694 Jy ! Component: 200 - total flux cleaned = 0.0621439 Jy ! Total flux subtracted in 200 components = 0.0621439 Jy ! Clean residual min=-0.007134 max=0.007728 Jy/beam ! Clean residual mean=0.000061 rms=0.002343 Jy/beam ! Combined flux in latest and established models = 0.653605 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 57 components and 0.653605 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.354 mas, bmaj=6.935 mas, bpa=-2.875 degrees ! Estimated noise=0.972582 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0126273 Jy ! Component: 100 - total flux cleaned = 0.0202095 Jy ! Component: 150 - total flux cleaned = 0.0249687 Jy ! Component: 200 - total flux cleaned = 0.0280992 Jy ! Total flux subtracted in 200 components = 0.0280992 Jy ! Clean residual min=-0.006164 max=0.005544 Jy/beam ! Clean residual mean=0.000031 rms=0.001940 Jy/beam ! Combined flux in latest and established models = 0.681704 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 = 0.00215848 Jy ! Component: 100 - total flux cleaned = 0.00364785 Jy ! Component: 150 - total flux cleaned = 0.00469479 Jy ! Component: 200 - total flux cleaned = 0.00517625 Jy ! Total flux subtracted in 200 components = 0.00517625 Jy ! Clean residual min=-0.005442 max=0.006387 Jy/beam ! Clean residual mean=0.000010 rms=0.001799 Jy/beam ! Combined flux in latest and established models = 0.68688 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 87 components and 0.68688 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8093 mas, bmaj=2.266 mas, bpa=-8.379 degrees ! Estimated noise=0.735396 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000654059 Jy ! Component: 100 - total flux cleaned = 0.00102193 Jy ! Component: 150 - total flux cleaned = 0.00101693 Jy ! Component: 200 - total flux cleaned = 0.00115214 Jy ! Total flux subtracted in 200 components = 0.00115214 Jy ! Clean residual min=-0.005822 max=0.005031 Jy/beam ! Clean residual mean=0.000003 rms=0.001170 Jy/beam ! Combined flux in latest and established models = 0.688032 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 102 components and 0.688032 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=0.057835Jy sigma=0.659160 ! Fit after self-cal, rms=0.057703Jy sigma=0.656425 wmodel J1937-3958_X_map.mod ! Writing 102 model components to file: J1937-3958_X_map.mod wobs J1937-3958_X_uvs.fits ! Writing UV FITS file: J1937-3958_X_uvs.fits wwins J1937-3958_X_map.win ! wwins: Wrote 4 windows to J1937-3958_X_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 = -0.00181164 Jy ! Component: 100 - total flux cleaned = -0.00205963 Jy ! Component: 150 - total flux cleaned = -0.00184061 Jy ! Component: 200 - total flux cleaned = -0.00190818 Jy ! Component: 250 - total flux cleaned = -0.00184527 Jy ! Component: 300 - total flux cleaned = -0.00184617 Jy ! Component: 350 - total flux cleaned = -0.00167399 Jy ! Component: 400 - total flux cleaned = -0.00156096 Jy ! Component: 450 - total flux cleaned = -0.00134721 Jy ! Component: 500 - total flux cleaned = -0.00134617 Jy ! Component: 550 - total flux cleaned = -0.00134652 Jy ! Component: 600 - total flux cleaned = -0.00129845 Jy ! Component: 650 - total flux cleaned = -0.00120528 Jy ! Component: 700 - total flux cleaned = -0.00102513 Jy ! Component: 750 - total flux cleaned = -0.000850245 Jy ! Component: 800 - total flux cleaned = -0.000892941 Jy ! Component: 850 - total flux cleaned = -0.000934525 Jy ! Component: 900 - total flux cleaned = -0.000894919 Jy ! Component: 950 - total flux cleaned = -0.000934521 Jy ! Component: 1000 - total flux cleaned = -0.000895279 Jy ! Component: 1050 - total flux cleaned = -0.000668605 Jy ! Component: 1100 - total flux cleaned = -0.000558603 Jy ! Component: 1150 - total flux cleaned = -0.00044974 Jy ! Component: 1200 - total flux cleaned = -0.000343176 Jy ! Component: 1250 - total flux cleaned = -0.00027241 Jy ! Component: 1300 - total flux cleaned = -3.17857e-05 Jy ! Component: 1350 - total flux cleaned = 6.96461e-05 Jy ! Component: 1400 - total flux cleaned = 0.000135792 Jy ! Component: 1450 - total flux cleaned = 0.000201086 Jy ! Component: 1500 - total flux cleaned = 0.000297869 Jy ! Component: 1550 - total flux cleaned = 0.000360756 Jy ! Component: 1600 - total flux cleaned = 0.000329637 Jy ! Component: 1650 - total flux cleaned = 0.000329356 Jy ! Component: 1700 - total flux cleaned = 0.00026951 Jy ! Component: 1750 - total flux cleaned = 0.000358932 Jy ! Component: 1800 - total flux cleaned = 0.000359082 Jy ! Component: 1850 - total flux cleaned = 0.000330126 Jy ! Component: 1900 - total flux cleaned = 0.000188229 Jy ! Component: 1950 - total flux cleaned = 0.000216836 Jy ! Component: 2000 - total flux cleaned = 0.000161683 Jy ! Component: 2050 - total flux cleaned = 7.95012e-05 Jy ! Component: 2100 - total flux cleaned = -1.2505e-06 Jy ! Component: 2150 - total flux cleaned = -0.000108132 Jy ! Component: 2200 - total flux cleaned = -0.000213612 Jy ! Component: 2250 - total flux cleaned = -0.000344122 Jy ! Component: 2300 - total flux cleaned = -0.00044675 Jy ! Component: 2350 - total flux cleaned = -0.000548267 Jy ! Component: 2400 - total flux cleaned = -0.00062339 Jy ! Component: 2450 - total flux cleaned = -0.000697417 Jy ! Component: 2500 - total flux cleaned = -0.000771197 Jy ! Component: 2550 - total flux cleaned = -0.000844197 Jy ! Component: 2600 - total flux cleaned = -0.000940557 Jy ! Component: 2650 - total flux cleaned = -0.0010121 Jy ! Component: 2700 - total flux cleaned = -0.00122343 Jy ! Component: 2750 - total flux cleaned = -0.00127025 Jy ! Component: 2800 - total flux cleaned = -0.00136224 Jy ! Component: 2850 - total flux cleaned = -0.00149912 Jy ! Component: 2900 - total flux cleaned = -0.00158927 Jy ! Component: 2950 - total flux cleaned = -0.00167876 Jy ! Component: 3000 - total flux cleaned = -0.00178928 Jy ! Component: 3050 - total flux cleaned = -0.0018549 Jy ! Component: 3100 - total flux cleaned = -0.00192002 Jy ! Component: 3150 - total flux cleaned = -0.00200584 Jy ! Component: 3200 - total flux cleaned = -0.00209122 Jy ! Component: 3250 - total flux cleaned = -0.00217572 Jy ! Component: 3300 - total flux cleaned = -0.00228044 Jy ! Component: 3350 - total flux cleaned = -0.00242564 Jy ! Component: 3400 - total flux cleaned = -0.00248744 Jy ! Component: 3450 - total flux cleaned = -0.00263024 Jy ! Component: 3500 - total flux cleaned = -0.00273179 Jy ! Component: 3550 - total flux cleaned = -0.0027922 Jy ! Component: 3600 - total flux cleaned = -0.00297183 Jy ! Component: 3650 - total flux cleaned = -0.00305093 Jy ! Component: 3700 - total flux cleaned = -0.0031297 Jy ! Component: 3750 - total flux cleaned = -0.0032274 Jy ! Component: 3800 - total flux cleaned = -0.00332445 Jy ! Component: 3850 - total flux cleaned = -0.00343989 Jy ! Component: 3900 - total flux cleaned = -0.0035166 Jy ! Component: 3950 - total flux cleaned = -0.00357389 Jy ! Component: 4000 - total flux cleaned = -0.00364983 Jy ! Component: 4050 - total flux cleaned = -0.00380038 Jy ! Total flux subtracted in 4096 components = -0.0038751 Jy ! Clean residual min=-0.001036 max=0.001054 Jy/beam ! Clean residual mean=-0.000003 rms=0.000353 Jy/beam ! Combined flux in latest and established models = 0.684157 Jy keep ! Adding 271 model components to the UV plane model. ! The established model now contains 373 components and 0.684158 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1937-3958_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8093 x 2.266 at -8.379 degrees (North through East) ! Clean map min=-0.0037618 max=0.55221 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1937-3958_X_map.fits wmodel /vlbi/sb072/temp_maps//J1937-3958_X_map.mod ! Writing 373 model components to file: /vlbi/sb072/temp_maps//J1937-3958_X_map.mod wobs /vlbi/sb072/temp_maps//J1937-3958_X_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1937-3958_X_uvs.fits wwins /vlbi/sb072/temp_maps//J1937-3958_X_map.win ! wwins: Wrote 5 windows to /vlbi/sb072/temp_maps//J1937-3958_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.552205 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000346138 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.188049 0.188049 0.376097 0.752194 1.50439 3.00878 6.01755 12.0351 24.0702 48.1404 96.2809 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.552 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1595.33 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1937-3958_X_dfm.log closed on Sat Dec 15 22:38:07 2018