! Started logfile: /vlbi/sb072/temp_maps//J1520+5542_X_dfm.log on Tue Mar 5 23:14:40 2019 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//J1520+5542_X_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1520+5542_X_uva.fits ! AN table 1: 6 integrations on 36 of 36 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1520+5542 ! ! 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 1728 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 J1520+5542_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. ! ! 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=0.999917Jy sigma=42.827719 ! Fit after self-cal, rms=0.971844Jy sigma=41.652078 ! 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=0.901 mas, bmaj=2.894 mas, bpa=40.36 degrees ! Estimated noise=0.691939 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 = 0.0211165 Jy ! Component: 100 - total flux cleaned = 0.0259252 Jy ! Total flux subtracted in 100 components = 0.0259252 Jy ! Clean residual min=-0.002341 max=0.002854 Jy/beam ! Clean residual mean=0.000016 rms=0.000588 Jy/beam ! Combined flux in latest and established models = 0.0259252 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.0259252 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=0.019947Jy sigma=0.817977 ! Fit after self-cal, rms=0.017095Jy sigma=0.696457 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00323381 Jy ! Component: 100 - total flux cleaned = 0.00357487 Jy ! Total flux subtracted in 100 components = 0.00357487 Jy ! Clean residual min=-0.001798 max=0.002214 Jy/beam ! Clean residual mean=0.000014 rms=0.000475 Jy/beam ! Combined flux in latest and established models = 0.0295 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 16 components and 0.0295 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=0.016417Jy sigma=0.667178 ! Fit after self-cal, rms=0.016393Jy sigma=0.666170 ! 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=1.157 mas, bmaj=2.841 mas, bpa=39.66 degrees ! Estimated noise=0.402968 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 (-48, 18.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00200191 Jy ! Component: 100 - total flux cleaned = 0.00291657 Jy ! Component: 150 - total flux cleaned = 0.0032941 Jy ! Component: 200 - total flux cleaned = 0.00342771 Jy ! Total flux subtracted in 200 components = 0.00342771 Jy ! Clean residual min=-0.001366 max=0.001652 Jy/beam ! Clean residual mean=0.000025 rms=0.000339 Jy/beam ! Combined flux in latest and established models = 0.0329277 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 31 components and 0.0329277 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=0.016150Jy sigma=0.654934 ! Fit after self-cal, rms=0.016120Jy sigma=0.653770 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.157 x 2.841 at 39.66 degrees (North through East) ! Clean map min=-0.0014073 max=0.029681 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.05 HN 0.99 KP 0.97 ! LA 0.98 NL 1.08 OV 1.02 PT 0.98 ! SC 1.08 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.16 HN 0.91 KP 1.02 ! LA 0.95 NL 1.09 OV 1.09 PT 0.88 ! SC 1.16 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.04 HN 0.99 KP 1.00 ! LA 0.91 NL 1.19 OV 1.04 PT 0.90 ! SC 1.04 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.06 HN 0.79 KP 0.99 ! LA 0.95 NL 1.19 OV 1.20 PT 0.98 ! SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.10 HN 0.85 KP 0.98 ! LA 0.99 NL 1.07 OV 1.15 PT 0.91 ! SC 0.93 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.99 HN 0.90 KP 1.04 ! LA 0.99 NL 1.05 OV 1.02 PT 0.89 ! SC 1.03 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 0.96 HN 0.97 KP 0.97 ! LA 1.02 NL 1.12 OV 0.97 PT 0.84 ! SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.04 HN 0.87 KP 1.00 ! LA 1.04 NL 1.12 OV 1.02 PT 0.92 ! SC 1.00 ! ! ! Fit before self-cal, rms=0.016120Jy sigma=0.653770 ! Fit after self-cal, rms=0.015638Jy sigma=0.637456 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.158 mas, bmaj=2.793 mas, bpa=39.3 degrees ! Estimated noise=0.399205 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 = -9.39062e-05 Jy ! Component: 100 - total flux cleaned = -7.87793e-05 Jy ! Component: 150 - total flux cleaned = -4.01838e-05 Jy ! Component: 200 - total flux cleaned = -2.85425e-05 Jy ! Total flux subtracted in 200 components = -2.85425e-05 Jy ! Clean residual min=-0.000878 max=0.000963 Jy/beam ! Clean residual mean=0.000008 rms=0.000214 Jy/beam ! Combined flux in latest and established models = 0.0328992 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 52 components and 0.0328992 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=0.015614Jy sigma=0.636415 ! Fit after self-cal, rms=0.015620Jy sigma=0.636142 ! 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=0.015620Jy sigma=0.636142 ! Fit after self-cal, rms=0.015617Jy sigma=0.636053 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.158 mas, bmaj=2.788 mas, bpa=39.33 degrees ! Estimated noise=0.39885 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.05065e-05 Jy ! Component: 100 - total flux cleaned = -9.73879e-06 Jy ! Component: 150 - total flux cleaned = -1.91492e-05 Jy ! Component: 200 - total flux cleaned = -1.90251e-05 Jy ! Total flux subtracted in 200 components = -1.90251e-05 Jy ! Clean residual min=-0.000869 max=0.000939 Jy/beam ! Clean residual mean=0.000007 rms=0.000208 Jy/beam ! Combined flux in latest and established models = 0.0328802 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 57 components and 0.0328802 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=0.015603Jy sigma=0.635507 ! Fit after self-cal, rms=0.015603Jy sigma=0.635491 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 (43, -39). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000528211 Jy ! Component: 100 - total flux cleaned = 0.00074504 Jy ! Component: 150 - total flux cleaned = 0.000919249 Jy ! Component: 200 - total flux cleaned = 0.00111116 Jy ! Total flux subtracted in 200 components = 0.00111116 Jy ! Clean residual min=-0.000820 max=0.000768 Jy/beam ! Clean residual mean=0.000006 rms=0.000186 Jy/beam ! Combined flux in latest and established models = 0.0339913 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 77 components and 0.0339913 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=0.015546Jy sigma=0.633176 ! Fit after self-cal, rms=0.015543Jy sigma=0.633090 ! 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=0.015543Jy sigma=0.633090 ! Fit after self-cal, rms=0.015500Jy sigma=0.632965 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.157 mas, bmaj=2.784 mas, bpa=39.32 degrees ! Estimated noise=0.398016 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00024662 Jy ! Component: 100 - total flux cleaned = 0.00040503 Jy ! Component: 150 - total flux cleaned = 0.000513471 Jy ! Component: 200 - total flux cleaned = 0.000582872 Jy ! Total flux subtracted in 200 components = 0.000582872 Jy ! Clean residual min=-0.000797 max=0.000775 Jy/beam ! Clean residual mean=0.000005 rms=0.000180 Jy/beam ! Combined flux in latest and established models = 0.0345742 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 91 components and 0.0345742 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=0.015483Jy sigma=0.632325 ! Fit after self-cal, rms=0.015482Jy sigma=0.632305 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 = 9.93264e-05 Jy ! Component: 100 - total flux cleaned = 0.000153302 Jy ! Component: 150 - total flux cleaned = 0.000179138 Jy ! Component: 200 - total flux cleaned = 0.000187422 Jy ! Total flux subtracted in 200 components = 0.000187422 Jy ! Clean residual min=-0.000775 max=0.000759 Jy/beam ! Clean residual mean=0.000005 rms=0.000176 Jy/beam ! Combined flux in latest and established models = 0.0347616 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 99 components and 0.0347616 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=0.015472Jy sigma=0.631959 ! Fit after self-cal, rms=0.015472Jy sigma=0.631952 ! 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=0.015472Jy sigma=0.631952 ! Fit after self-cal, rms=0.015457Jy sigma=0.631906 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.293 mas, bmaj=3.132 mas, bpa=36.7 degrees ! Estimated noise=0.457061 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.74191e-05 Jy ! Component: 100 - total flux cleaned = 0.000141741 Jy ! Component: 150 - total flux cleaned = 0.000165109 Jy ! Component: 200 - total flux cleaned = 0.000185584 Jy ! Total flux subtracted in 200 components = 0.000185584 Jy ! Clean residual min=-0.000762 max=0.000730 Jy/beam ! Clean residual mean=0.000009 rms=0.000192 Jy/beam ! Combined flux in latest and established models = 0.0349472 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 115 components and 0.0349472 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=0.015452Jy sigma=0.631665 ! Fit after self-cal, rms=0.015451Jy sigma=0.631650 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 = 4.93004e-05 Jy ! Component: 100 - total flux cleaned = 6.12736e-05 Jy ! Component: 150 - total flux cleaned = 7.25728e-05 Jy ! Component: 200 - total flux cleaned = 7.25059e-05 Jy ! Total flux subtracted in 200 components = 7.25059e-05 Jy ! Clean residual min=-0.000746 max=0.000733 Jy/beam ! Clean residual mean=0.000008 rms=0.000189 Jy/beam ! Combined flux in latest and established models = 0.0350197 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 134 components and 0.0350197 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=0.015449Jy sigma=0.631537 ! Fit after self-cal, rms=0.015448Jy sigma=0.631534 ! 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=1.157 mas, bmaj=2.781 mas, bpa=39.3 degrees ! Estimated noise=0.397978 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.157 x 2.781 at 39.3 degrees (North through East) ! Clean map min=-0.00073662 max=0.029368 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=0.9015 mas, bmaj=2.826 mas, bpa=39.9 degrees ! Estimated noise=0.681767 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0224687 Jy ! Component: 100 - total flux cleaned = 0.0275984 Jy ! Component: 150 - total flux cleaned = 0.0287867 Jy ! Component: 200 - total flux cleaned = 0.0294426 Jy ! Total flux subtracted in 200 components = 0.0294426 Jy ! Clean residual min=-0.001349 max=0.001401 Jy/beam ! Clean residual mean=0.000009 rms=0.000344 Jy/beam ! Combined flux in latest and established models = 0.0294426 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 24 model components to the UV plane model. ! The established model now contains 24 components and 0.0294426 Jy ! Inverting map and beam ! Estimated beam: bmin=1.157 mas, bmaj=2.781 mas, bpa=39.3 degrees ! Estimated noise=0.397978 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 = 0.00160484 Jy ! Component: 100 - total flux cleaned = 0.00251365 Jy ! Component: 150 - total flux cleaned = 0.00315886 Jy ! Component: 200 - total flux cleaned = 0.00355791 Jy ! Total flux subtracted in 200 components = 0.00355791 Jy ! Clean residual min=-0.000860 max=0.000841 Jy/beam ! Clean residual mean=0.000011 rms=0.000211 Jy/beam ! Combined flux in latest and established models = 0.0330005 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 47 components and 0.0330005 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=2.293 mas, bmaj=3.132 mas, bpa=36.7 degrees ! Estimated noise=0.457061 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000579743 Jy ! Component: 100 - total flux cleaned = 0.000906182 Jy ! Component: 150 - total flux cleaned = 0.00113611 Jy ! Component: 200 - total flux cleaned = 0.00126285 Jy ! Total flux subtracted in 200 components = 0.00126285 Jy ! Clean residual min=-0.000860 max=0.000773 Jy/beam ! Clean residual mean=0.000011 rms=0.000211 Jy/beam ! Combined flux in latest and established models = 0.0342634 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 = 0.000103317 Jy ! Component: 100 - total flux cleaned = 0.000176729 Jy ! Component: 150 - total flux cleaned = 0.000215612 Jy ! Component: 200 - total flux cleaned = 0.000270163 Jy ! Total flux subtracted in 200 components = 0.000270163 Jy ! Clean residual min=-0.000819 max=0.000734 Jy/beam ! Clean residual mean=0.000011 rms=0.000201 Jy/beam ! Combined flux in latest and established models = 0.0345335 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 90 components and 0.0345335 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.157 mas, bmaj=2.781 mas, bpa=39.3 degrees ! Estimated noise=0.397978 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.23219e-05 Jy ! Component: 100 - total flux cleaned = -1.25553e-05 Jy ! Component: 150 - total flux cleaned = 2.90302e-05 Jy ! Component: 200 - total flux cleaned = 6.64245e-05 Jy ! Total flux subtracted in 200 components = 6.64245e-05 Jy ! Clean residual min=-0.000754 max=0.000762 Jy/beam ! Clean residual mean=0.000006 rms=0.000182 Jy/beam ! Combined flux in latest and established models = 0.0345999 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 108 components and 0.0345999 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=0.015480Jy sigma=0.632887 ! Fit after self-cal, rms=0.015478Jy sigma=0.632790 wmodel J1520+5542_X_map.mod ! Writing 108 model components to file: J1520+5542_X_map.mod wobs J1520+5542_X_uvs.fits ! Writing UV FITS file: J1520+5542_X_uvs.fits wwins J1520+5542_X_map.win ! wwins: Wrote 3 windows to J1520+5542_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 = -8.68392e-05 Jy ! Component: 100 - total flux cleaned = -0.000112601 Jy ! Component: 150 - total flux cleaned = -0.000101157 Jy ! Component: 200 - total flux cleaned = -0.000180759 Jy ! Component: 250 - total flux cleaned = -0.00023478 Jy ! Component: 300 - total flux cleaned = -0.000306867 Jy ! Component: 350 - total flux cleaned = -0.000376307 Jy ! Component: 400 - total flux cleaned = -0.000424286 Jy ! Component: 450 - total flux cleaned = -0.000479776 Jy ! Component: 500 - total flux cleaned = -0.000524556 Jy ! Component: 550 - total flux cleaned = -0.000585258 Jy ! Component: 600 - total flux cleaned = -0.000610721 Jy ! Component: 650 - total flux cleaned = -0.000651786 Jy ! Component: 700 - total flux cleaned = -0.000675809 Jy ! Component: 750 - total flux cleaned = -0.00066036 Jy ! Component: 800 - total flux cleaned = -0.000645208 Jy ! Component: 850 - total flux cleaned = -0.000622815 Jy ! Component: 900 - total flux cleaned = -0.000585986 Jy ! Component: 950 - total flux cleaned = -0.000556947 Jy ! Component: 1000 - total flux cleaned = -0.000521221 Jy ! Component: 1050 - total flux cleaned = -0.000485988 Jy ! Component: 1100 - total flux cleaned = -0.000451227 Jy ! Component: 1150 - total flux cleaned = -0.000410171 Jy ! Component: 1200 - total flux cleaned = -0.000363 Jy ! Component: 1250 - total flux cleaned = -0.000309929 Jy ! Component: 1300 - total flux cleaned = -0.000283714 Jy ! Component: 1350 - total flux cleaned = -0.000225775 Jy ! Component: 1400 - total flux cleaned = -0.000200461 Jy ! Component: 1450 - total flux cleaned = -0.000162803 Jy ! Component: 1500 - total flux cleaned = -0.000144269 Jy ! Component: 1550 - total flux cleaned = -0.000107527 Jy ! Component: 1600 - total flux cleaned = -7.72727e-05 Jy ! Component: 1650 - total flux cleaned = -5.33827e-05 Jy ! Component: 1700 - total flux cleaned = -2.38193e-05 Jy ! Component: 1750 - total flux cleaned = -6.20938e-06 Jy ! Component: 1800 - total flux cleaned = -3.77307e-07 Jy ! Component: 1850 - total flux cleaned = 2.83095e-05 Jy ! Component: 1900 - total flux cleaned = 5.09216e-05 Jy ! Component: 1950 - total flux cleaned = 5.09066e-05 Jy ! Component: 2000 - total flux cleaned = 3.98018e-05 Jy ! Component: 2050 - total flux cleaned = 5.08371e-05 Jy ! Component: 2100 - total flux cleaned = 4.53435e-05 Jy ! Component: 2150 - total flux cleaned = 5.07754e-05 Jy ! Component: 2200 - total flux cleaned = 4.54153e-05 Jy ! Component: 2250 - total flux cleaned = 2.93779e-05 Jy ! Component: 2300 - total flux cleaned = 3.47979e-05 Jy ! Component: 2350 - total flux cleaned = 3.47729e-05 Jy ! Component: 2400 - total flux cleaned = 2.95206e-05 Jy ! Component: 2450 - total flux cleaned = 2.43041e-05 Jy ! Component: 2500 - total flux cleaned = 1.9166e-05 Jy ! Component: 2550 - total flux cleaned = 2.42769e-05 Jy ! Component: 2600 - total flux cleaned = 1.92034e-05 Jy ! Component: 2650 - total flux cleaned = 3.93677e-05 Jy ! Component: 2700 - total flux cleaned = 3.93387e-05 Jy ! Component: 2750 - total flux cleaned = 4.43359e-05 Jy ! Component: 2800 - total flux cleaned = 5.91687e-05 Jy ! Component: 2850 - total flux cleaned = 5.91684e-05 Jy ! Component: 2900 - total flux cleaned = 6.89812e-05 Jy ! Component: 2950 - total flux cleaned = 8.35983e-05 Jy ! Component: 3000 - total flux cleaned = 9.32909e-05 Jy ! Component: 3050 - total flux cleaned = 0.000107714 Jy ! Component: 3100 - total flux cleaned = 0.000117248 Jy ! Component: 3150 - total flux cleaned = 0.000121977 Jy ! Component: 3200 - total flux cleaned = 0.000136144 Jy ! Component: 3250 - total flux cleaned = 0.000150242 Jy ! Component: 3300 - total flux cleaned = 0.000150226 Jy ! Component: 3350 - total flux cleaned = 0.000164215 Jy ! Component: 3400 - total flux cleaned = 0.000173506 Jy ! Component: 3450 - total flux cleaned = 0.000187441 Jy ! Component: 3500 - total flux cleaned = 0.000201293 Jy ! Component: 3550 - total flux cleaned = 0.000215128 Jy ! Component: 3600 - total flux cleaned = 0.000215117 Jy ! Component: 3650 - total flux cleaned = 0.00022429 Jy ! Component: 3700 - total flux cleaned = 0.000228854 Jy ! Component: 3750 - total flux cleaned = 0.000233412 Jy ! Component: 3800 - total flux cleaned = 0.000251596 Jy ! Component: 3850 - total flux cleaned = 0.000251603 Jy ! Component: 3900 - total flux cleaned = 0.000265218 Jy ! Component: 3950 - total flux cleaned = 0.000265225 Jy ! Component: 4000 - total flux cleaned = 0.000274261 Jy ! Component: 4050 - total flux cleaned = 0.000265252 Jy ! Total flux subtracted in 4096 components = 0.000260759 Jy ! Clean residual min=-0.000258 max=0.000293 Jy/beam ! Clean residual mean=0.000002 rms=0.000074 Jy/beam ! Combined flux in latest and established models = 0.0348607 Jy keep ! Adding 244 model components to the UV plane model. ! The established model now contains 352 components and 0.0348607 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1520+5542_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.157 x 2.781 at 39.3 degrees (North through East) ! Clean map min=-0.000828 max=0.029268 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1520+5542_X_map.fits wmodel /vlbi/sb072/temp_maps//J1520+5542_X_map.mod ! Writing 352 model components to file: /vlbi/sb072/temp_maps//J1520+5542_X_map.mod wobs /vlbi/sb072/temp_maps//J1520+5542_X_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1520+5542_X_uvs.fits wwins /vlbi/sb072/temp_maps//J1520+5542_X_map.win ! wwins: Wrote 4 windows to /vlbi/sb072/temp_maps//J1520+5542_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0292681 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 7.32468e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.750784 0.750784 1.50157 3.00314 6.00627 12.0125 24.0251 48.0502 96.1004 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.029 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 399.582 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1520+5542_X_dfm.log closed on Tue Mar 5 23:14:44 2019