! Started logfile: /vlbi/sb072/temp_maps//J1753+2848_C_dfm.log on Tue Mar 5 23:25:59 2019 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/sb072/temp_maps//J1753+2848_C_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1753+2848_C_uva.fits ! AN table 1: 4 integrations on 21 of 21 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1753+2848 ! ! 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 85 lines of history. ! ! Reading 672 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 J1753+2848_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. ! ! 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=1.281534Jy sigma=54.091868 ! Fit after self-cal, rms=0.237045Jy sigma=10.727053 ! 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=4.456 mas, bmaj=6.696 mas, bpa=-64.41 degrees ! Estimated noise=0.867335 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 = 0.592672 Jy ! Component: 100 - total flux cleaned = 0.724342 Jy ! Total flux subtracted in 100 components = 0.724342 Jy ! Clean residual min=-0.027048 max=0.045106 Jy/beam ! Clean residual mean=-0.000521 rms=0.010803 Jy/beam ! Combined flux in latest and established models = 0.724342 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.724342 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=0.112876Jy sigma=4.539976 ! Fit after self-cal, rms=0.112872Jy sigma=4.539805 ! 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=5.014 mas, bmaj=6.822 mas, bpa=-60.71 degrees ! Estimated noise=0.656304 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 = 0.0665653 Jy ! Component: 100 - total flux cleaned = 0.106781 Jy ! Component: 150 - total flux cleaned = 0.132953 Jy ! Component: 200 - total flux cleaned = 0.151106 Jy ! Total flux subtracted in 200 components = 0.151106 Jy ! Clean residual min=-0.020568 max=0.021521 Jy/beam ! Clean residual mean=-0.000135 rms=0.006176 Jy/beam ! Combined flux in latest and established models = 0.875448 Jy ! Performing phase self-cal ! Adding 82 model components to the UV plane model. ! The established model now contains 88 components and 0.875448 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=0.051273Jy sigma=2.146621 ! Fit after self-cal, rms=0.051235Jy sigma=2.145015 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 5.014 x 6.822 at -60.71 degrees (North through East) ! Clean map min=-0.019873 max=0.77313 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.97 KP 0.96 LA 1.07 ! NL 1.04 OV 1.01 PT 0.92 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.99 KP 0.95 LA 1.06 ! NL 1.03 OV 1.00 PT 0.93 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.98 KP 0.96 LA 1.06 ! NL 1.01 OV 1.01 PT 0.94 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.98 KP 0.96 LA 1.06 ! NL 1.02 OV 1.02 PT 0.93 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.98 KP 0.97 LA 1.05 ! NL 1.03 OV 1.02 PT 0.93 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.96 KP 0.96 LA 1.05 ! NL 1.01 OV 1.01 PT 0.92 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.96 KP 0.95 LA 1.05 ! NL 1.02 OV 1.00 PT 0.93 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.95 KP 0.95 LA 1.05 ! NL 1.01 OV 1.00 PT 0.92 ! ! ! Fit before self-cal, rms=0.051235Jy sigma=2.145015 ! Fit after self-cal, rms=0.021531Jy sigma=0.862097 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=5.033 mas, bmaj=6.882 mas, bpa=-60.26 degrees ! Estimated noise=0.65034 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 = -0.00278011 Jy ! Component: 100 - total flux cleaned = -0.00341379 Jy ! Component: 150 - total flux cleaned = -0.00356861 Jy ! Component: 200 - total flux cleaned = -0.0037785 Jy ! Total flux subtracted in 200 components = -0.0037785 Jy ! Clean residual min=-0.005487 max=0.005861 Jy/beam ! Clean residual mean=0.000000 rms=0.001503 Jy/beam ! Combined flux in latest and established models = 0.87167 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 97 components and 0.87167 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=0.020802Jy sigma=0.831163 ! Fit after self-cal, rms=0.020780Jy sigma=0.830883 ! 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=0.020780Jy sigma=0.830883 ! Fit after self-cal, rms=0.020758Jy sigma=0.827142 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=5.034 mas, bmaj=6.89 mas, bpa=-60.29 degrees ! Estimated noise=0.650384 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0022066 Jy ! Component: 100 - total flux cleaned = -0.00266396 Jy ! Component: 150 - total flux cleaned = -0.00283375 Jy ! Component: 200 - total flux cleaned = -0.00299132 Jy ! Total flux subtracted in 200 components = -0.00299132 Jy ! Clean residual min=-0.005182 max=0.005558 Jy/beam ! Clean residual mean=-0.000000 rms=0.001424 Jy/beam ! Combined flux in latest and established models = 0.868678 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 100 components and 0.868678 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=0.020357Jy sigma=0.811910 ! Fit after self-cal, rms=0.020356Jy sigma=0.811858 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 = -0.000197862 Jy ! Component: 100 - total flux cleaned = -0.000332434 Jy ! Component: 150 - total flux cleaned = -0.000455619 Jy ! Component: 200 - total flux cleaned = -0.000532419 Jy ! Total flux subtracted in 200 components = -0.000532419 Jy ! Clean residual min=-0.005106 max=0.005278 Jy/beam ! Clean residual mean=-0.000002 rms=0.001397 Jy/beam ! Combined flux in latest and established models = 0.868146 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 105 components and 0.868146 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=0.020196Jy sigma=0.805078 ! Fit after self-cal, rms=0.020195Jy sigma=0.805053 ! 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=0.020195Jy sigma=0.805053 ! Fit after self-cal, rms=0.020172Jy sigma=0.800939 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=5.034 mas, bmaj=6.897 mas, bpa=-60.33 degrees ! Estimated noise=0.650348 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00171401 Jy ! Component: 100 - total flux cleaned = -0.00228174 Jy ! Component: 150 - total flux cleaned = -0.00248386 Jy ! Component: 200 - total flux cleaned = -0.00263319 Jy ! Total flux subtracted in 200 components = -0.00263319 Jy ! Clean residual min=-0.004921 max=0.005144 Jy/beam ! Clean residual mean=-0.000002 rms=0.001339 Jy/beam ! Combined flux in latest and established models = 0.865513 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 110 components and 0.865513 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=0.019917Jy sigma=0.793527 ! Fit after self-cal, rms=0.019918Jy sigma=0.793499 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 = -0.000141918 Jy ! Component: 100 - total flux cleaned = -0.000270926 Jy ! Component: 150 - total flux cleaned = -0.000331441 Jy ! Component: 200 - total flux cleaned = -0.000361134 Jy ! Total flux subtracted in 200 components = -0.000361134 Jy ! Clean residual min=-0.004887 max=0.004978 Jy/beam ! Clean residual mean=-0.000003 rms=0.001325 Jy/beam ! Combined flux in latest and established models = 0.865152 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 115 components and 0.865152 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=0.019827Jy sigma=0.789932 ! Fit after self-cal, rms=0.019828Jy sigma=0.789914 ! 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=0.019828Jy sigma=0.789914 ! Fit after self-cal, rms=0.019821Jy sigma=0.786227 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=5.606 mas, bmaj=7.267 mas, bpa=-56.47 degrees ! Estimated noise=0.659965 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00160819 Jy ! Component: 100 - total flux cleaned = -0.00218078 Jy ! Component: 150 - total flux cleaned = -0.00227196 Jy ! Component: 200 - total flux cleaned = -0.00232801 Jy ! Total flux subtracted in 200 components = -0.00232801 Jy ! Clean residual min=-0.004669 max=0.005027 Jy/beam ! Clean residual mean=-0.000003 rms=0.001380 Jy/beam ! Combined flux in latest and established models = 0.862824 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 122 components and 0.862824 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=0.019627Jy sigma=0.781302 ! Fit after self-cal, rms=0.019628Jy sigma=0.781283 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 = -4.9396e-05 Jy ! Component: 100 - total flux cleaned = -9.83587e-05 Jy ! Component: 150 - total flux cleaned = -0.000145381 Jy ! Component: 200 - total flux cleaned = -0.000168106 Jy ! Total flux subtracted in 200 components = -0.000168106 Jy ! Clean residual min=-0.004640 max=0.004914 Jy/beam ! Clean residual mean=-0.000003 rms=0.001370 Jy/beam ! Combined flux in latest and established models = 0.862655 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 124 components and 0.862655 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=0.019576Jy sigma=0.779229 ! Fit after self-cal, rms=0.019577Jy sigma=0.779206 ! 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=5.034 mas, bmaj=6.905 mas, bpa=-60.37 degrees ! Estimated noise=0.650401 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 5.034 x 6.905 at -60.37 degrees (North through East) ! Clean map min=-0.0046446 max=0.76489 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=0.019577Jy sigma=0.779206 ! Fit after self-cal, rms=0.018740Jy sigma=0.737725 ! Inverting map and beam ! Estimated beam: bmin=5.035 mas, bmaj=6.913 mas, bpa=-60.43 degrees ! Estimated noise=0.650481 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00145413 Jy ! Component: 100 - total flux cleaned = -0.00197005 Jy ! Component: 150 - total flux cleaned = -0.00211481 Jy ! Component: 200 - total flux cleaned = -0.00219584 Jy ! Total flux subtracted in 200 components = -0.00219584 Jy ! Clean residual min=-0.004497 max=0.004655 Jy/beam ! Clean residual mean=-0.000002 rms=0.001235 Jy/beam ! Combined flux in latest and established models = 0.86046 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 132 components and 0.86046 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=0.018566Jy sigma=0.732738 ! Fit after self-cal, rms=0.018568Jy sigma=0.732719 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.05089e-05 Jy ! Component: 100 - total flux cleaned = -7.57888e-05 Jy ! Component: 150 - total flux cleaned = -7.53148e-05 Jy ! Component: 200 - total flux cleaned = -9.95946e-05 Jy ! Total flux subtracted in 200 components = -9.95946e-05 Jy ! Clean residual min=-0.004476 max=0.004612 Jy/beam ! Clean residual mean=-0.000002 rms=0.001226 Jy/beam ! Combined flux in latest and established models = 0.86036 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 135 components and 0.86036 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=0.018506Jy sigma=0.730383 ! Fit after self-cal, rms=0.018507Jy sigma=0.730365 ! 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=0.018507Jy sigma=0.730365 ! Fit after self-cal, rms=0.018490Jy sigma=0.727752 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=4.462 mas, bmaj=6.775 mas, bpa=-64.2 degrees ! Estimated noise=0.867237 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.592609 Jy ! Component: 100 - total flux cleaned = 0.722366 Jy ! Component: 150 - total flux cleaned = 0.766028 Jy ! Component: 200 - total flux cleaned = 0.793177 Jy ! Total flux subtracted in 200 components = 0.793177 Jy ! Clean residual min=-0.010705 max=0.015510 Jy/beam ! Clean residual mean=-0.000184 rms=0.003962 Jy/beam ! Combined flux in latest and established models = 0.793177 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 54 model components to the UV plane model. ! The established model now contains 54 components and 0.793177 Jy ! Inverting map and beam ! Estimated beam: bmin=5.035 mas, bmaj=6.92 mas, bpa=-60.47 degrees ! Estimated noise=0.65053 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 = 0.0233784 Jy ! Component: 100 - total flux cleaned = 0.0379804 Jy ! Component: 150 - total flux cleaned = 0.0474001 Jy ! Component: 200 - total flux cleaned = 0.0535434 Jy ! Total flux subtracted in 200 components = 0.0535434 Jy ! Clean residual min=-0.005734 max=0.004910 Jy/beam ! Clean residual mean=-0.000045 rms=0.001525 Jy/beam ! Combined flux in latest and established models = 0.846721 Jy ! Adding 69 model components to the UV plane model. ! The established model now contains 118 components and 0.84672 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=5.609 mas, bmaj=7.282 mas, bpa=-56.61 degrees ! Estimated noise=0.659824 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0043352 Jy ! Component: 100 - total flux cleaned = 0.00699488 Jy ! Component: 150 - total flux cleaned = 0.00867509 Jy ! Component: 200 - total flux cleaned = 0.00975257 Jy ! Total flux subtracted in 200 components = 0.00975257 Jy ! Clean residual min=-0.005274 max=0.004726 Jy/beam ! Clean residual mean=-0.000010 rms=0.001356 Jy/beam ! Combined flux in latest and established models = 0.856473 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 = 0.000313724 Jy ! Component: 100 - total flux cleaned = 0.000396559 Jy ! Component: 150 - total flux cleaned = 0.000396345 Jy ! Component: 200 - total flux cleaned = 0.000423041 Jy ! Total flux subtracted in 200 components = 0.000423041 Jy ! Clean residual min=-0.005203 max=0.004692 Jy/beam ! Clean residual mean=-0.000008 rms=0.001344 Jy/beam ! Combined flux in latest and established models = 0.856896 Jy ! Adding 49 model components to the UV plane model. ! The established model now contains 157 components and 0.856896 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=5.035 mas, bmaj=6.92 mas, bpa=-60.47 degrees ! Estimated noise=0.65053 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000258585 Jy ! Component: 100 - total flux cleaned = 0.000329895 Jy ! Component: 150 - total flux cleaned = 0.000456123 Jy ! Component: 200 - total flux cleaned = 0.000541493 Jy ! Total flux subtracted in 200 components = 0.000541493 Jy ! Clean residual min=-0.005360 max=0.004434 Jy/beam ! Clean residual mean=-0.000006 rms=0.001274 Jy/beam ! Combined flux in latest and established models = 0.857437 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 175 components and 0.857437 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=0.018888Jy sigma=0.748829 ! Fit after self-cal, rms=0.018876Jy sigma=0.748517 wmodel J1753+2848_C_map.mod ! Writing 175 model components to file: J1753+2848_C_map.mod wobs J1753+2848_C_uvs.fits ! Writing UV FITS file: J1753+2848_C_uvs.fits wwins J1753+2848_C_map.win ! wwins: Wrote 1 windows to J1753+2848_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 = -0.0021207 Jy ! Component: 100 - total flux cleaned = -0.00310194 Jy ! Component: 150 - total flux cleaned = -0.00383558 Jy ! Component: 200 - total flux cleaned = -0.00454629 Jy ! Component: 250 - total flux cleaned = -0.004978 Jy ! Component: 300 - total flux cleaned = -0.00537625 Jy ! Component: 350 - total flux cleaned = -0.00565232 Jy ! Component: 400 - total flux cleaned = -0.00599643 Jy ! Component: 450 - total flux cleaned = -0.0061172 Jy ! Component: 500 - total flux cleaned = -0.00630756 Jy ! Component: 550 - total flux cleaned = -0.00645121 Jy ! Component: 600 - total flux cleaned = -0.00648474 Jy ! Component: 650 - total flux cleaned = -0.00648522 Jy ! Component: 700 - total flux cleaned = -0.00633407 Jy ! Component: 750 - total flux cleaned = -0.00619075 Jy ! Component: 800 - total flux cleaned = -0.00608234 Jy ! Component: 850 - total flux cleaned = -0.00595063 Jy ! Component: 900 - total flux cleaned = -0.00584925 Jy ! Component: 950 - total flux cleaned = -0.00580101 Jy ! Component: 1000 - total flux cleaned = -0.00566151 Jy ! Component: 1050 - total flux cleaned = -0.00555004 Jy ! Component: 1100 - total flux cleaned = -0.00539966 Jy ! Component: 1150 - total flux cleaned = -0.00531724 Jy ! Component: 1200 - total flux cleaned = -0.00509708 Jy ! Component: 1250 - total flux cleaned = -0.00496152 Jy ! Component: 1300 - total flux cleaned = -0.00479307 Jy ! Component: 1350 - total flux cleaned = -0.00466538 Jy ! Component: 1400 - total flux cleaned = -0.00450637 Jy ! Component: 1450 - total flux cleaned = -0.00438622 Jy ! Component: 1500 - total flux cleaned = -0.00425266 Jy ! Component: 1550 - total flux cleaned = -0.00412327 Jy ! Component: 1600 - total flux cleaned = -0.0040133 Jy ! Component: 1650 - total flux cleaned = -0.00390599 Jy ! Component: 1700 - total flux cleaned = -0.00384609 Jy ! Component: 1750 - total flux cleaned = -0.0037877 Jy ! Component: 1800 - total flux cleaned = -0.00368797 Jy ! Component: 1850 - total flux cleaned = -0.00357699 Jy ! Component: 1900 - total flux cleaned = -0.00346876 Jy ! Component: 1950 - total flux cleaned = -0.0034159 Jy ! Component: 2000 - total flux cleaned = -0.00335105 Jy ! Component: 2050 - total flux cleaned = -0.00327503 Jy ! Component: 2100 - total flux cleaned = -0.00323772 Jy ! Component: 2150 - total flux cleaned = -0.00318886 Jy ! Component: 2200 - total flux cleaned = -0.00318892 Jy ! Component: 2250 - total flux cleaned = -0.00320088 Jy ! Component: 2300 - total flux cleaned = -0.00320099 Jy ! Component: 2350 - total flux cleaned = -0.00320115 Jy ! Component: 2400 - total flux cleaned = -0.00321284 Jy ! Component: 2450 - total flux cleaned = -0.00322432 Jy ! Component: 2500 - total flux cleaned = -0.00324692 Jy ! Component: 2550 - total flux cleaned = -0.00324697 Jy ! Component: 2600 - total flux cleaned = -0.00324694 Jy ! Component: 2650 - total flux cleaned = -0.00323581 Jy ! Component: 2700 - total flux cleaned = -0.00322487 Jy ! Component: 2750 - total flux cleaned = -0.00322494 Jy ! Component: 2800 - total flux cleaned = -0.00320315 Jy ! Component: 2850 - total flux cleaned = -0.00320317 Jy ! Component: 2900 - total flux cleaned = -0.0031706 Jy ! Component: 2950 - total flux cleaned = -0.00313808 Jy ! Component: 3000 - total flux cleaned = -0.00312722 Jy ! Component: 3050 - total flux cleaned = -0.00310552 Jy ! Component: 3100 - total flux cleaned = -0.00306239 Jy ! Component: 3150 - total flux cleaned = -0.00305163 Jy ! Component: 3200 - total flux cleaned = -0.00301926 Jy ! Component: 3250 - total flux cleaned = -0.00299786 Jy ! Component: 3300 - total flux cleaned = -0.00297635 Jy ! Component: 3350 - total flux cleaned = -0.00297631 Jy ! Component: 3400 - total flux cleaned = -0.0029655 Jy ! Component: 3450 - total flux cleaned = -0.00297637 Jy ! Component: 3500 - total flux cleaned = -0.00297642 Jy ! Component: 3550 - total flux cleaned = -0.00297643 Jy ! Component: 3600 - total flux cleaned = -0.00298737 Jy ! Component: 3650 - total flux cleaned = -0.00296564 Jy ! Component: 3700 - total flux cleaned = -0.00297661 Jy ! Component: 3750 - total flux cleaned = -0.00296571 Jy ! Component: 3800 - total flux cleaned = -0.00297671 Jy ! Component: 3850 - total flux cleaned = -0.0029877 Jy ! Component: 3900 - total flux cleaned = -0.00295476 Jy ! Component: 3950 - total flux cleaned = -0.00295478 Jy ! Component: 4000 - total flux cleaned = -0.00293263 Jy ! Component: 4050 - total flux cleaned = -0.00291036 Jy ! Total flux subtracted in 4096 components = -0.00288796 Jy ! Clean residual min=-0.000627 max=0.000660 Jy/beam ! Clean residual mean=0.000012 rms=0.000211 Jy/beam ! Combined flux in latest and established models = 0.85455 Jy keep ! Adding 328 model components to the UV plane model. ! The established model now contains 503 components and 0.85455 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1753+2848_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 5.035 x 6.92 at -60.47 degrees (North through East) ! Clean map min=-0.0025518 max=0.76578 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1753+2848_C_map.fits wmodel /vlbi/sb072/temp_maps//J1753+2848_C_map.mod ! Writing 503 model components to file: /vlbi/sb072/temp_maps//J1753+2848_C_map.mod wobs /vlbi/sb072/temp_maps//J1753+2848_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1753+2848_C_uvs.fits wwins /vlbi/sb072/temp_maps//J1753+2848_C_map.win ! wwins: Wrote 2 windows to /vlbi/sb072/temp_maps//J1753+2848_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.76578 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000219077 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.085825 0.085825 0.17165 0.3433 0.6866 1.3732 2.7464 5.4928 10.9856 21.9712 43.9424 87.8848 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.765 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 3495.49 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1753+2848_C_dfm.log closed on Tue Mar 5 23:26:03 2019