! Started logfile: /vlbi/sb072/temp_maps//J1832+4041_C_dfm.log on Tue Mar 5 23:28:21 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//J1832+4041_C_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1832+4041_C_uva.fits ! AN table 1: 4 integrations on 45 of 45 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1832+4041 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 1440 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 J1832+4041_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=1.002038Jy sigma=43.785916 ! Fit after self-cal, rms=0.949315Jy sigma=41.530426 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.416 mas, bmaj=4.472 mas, bpa=28.13 degrees ! Estimated noise=0.618917 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 = 0.0379298 Jy ! Component: 100 - total flux cleaned = 0.0471139 Jy ! Total flux subtracted in 100 components = 0.0471139 Jy ! Clean residual min=-0.002490 max=0.003908 Jy/beam ! Clean residual mean=0.000005 rms=0.000730 Jy/beam ! Combined flux in latest and established models = 0.0471139 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.0471139 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=0.020108Jy sigma=0.815753 ! Fit after self-cal, rms=0.020033Jy sigma=0.812916 ! 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=1.742 mas, bmaj=4.659 mas, bpa=26.89 degrees ! Estimated noise=0.439522 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 = 0.00624745 Jy ! Component: 100 - total flux cleaned = 0.00942228 Jy ! Component: 150 - total flux cleaned = 0.0113231 Jy ! Component: 200 - total flux cleaned = 0.0125396 Jy ! Total flux subtracted in 200 components = 0.0125396 Jy ! Clean residual min=-0.002670 max=0.003746 Jy/beam ! Clean residual mean=0.000001 rms=0.000665 Jy/beam ! Combined flux in latest and established models = 0.0596536 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 26 components and 0.0596536 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=0.018113Jy sigma=0.722904 ! Fit after self-cal, rms=0.018088Jy sigma=0.721682 ! Inverting map ! Added new window around map position (-12, -8.1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00338321 Jy ! Component: 100 - total flux cleaned = 0.00521855 Jy ! Component: 150 - total flux cleaned = 0.006533 Jy ! Component: 200 - total flux cleaned = 0.00757079 Jy ! Total flux subtracted in 200 components = 0.00757079 Jy ! Clean residual min=-0.002036 max=0.002353 Jy/beam ! Clean residual mean=0.000002 rms=0.000501 Jy/beam ! Combined flux in latest and established models = 0.0672244 Jy ! Performing phase self-cal ! Adding 45 model components to the UV plane model. ! The established model now contains 68 components and 0.0672243 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=0.017436Jy sigma=0.687787 ! Fit after self-cal, rms=0.017388Jy sigma=0.685545 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.742 x 4.659 at 26.89 degrees (North through East) ! Clean map min=-0.0019062 max=0.051149 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.93 HN 0.97 KP 1.03 ! LA 1.12 MK 1.21 NL 0.99 OV 0.92 ! PT 0.95 SC 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.91 HN 0.94 KP 0.94 ! LA 1.00 MK 1.01 NL 1.11 OV 1.08 ! PT 0.93 SC 1.03 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.92 HN 0.90 KP 1.10 ! LA 1.06 MK 1.02 NL 1.10 OV 1.02 ! PT 0.94 SC 1.07 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.95 HN 0.90 KP 0.97 ! LA 1.02 MK 1.11 NL 1.08 OV 1.03 ! PT 0.80 SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.93 HN 0.86 KP 1.04 ! LA 1.09 MK 1.01 NL 1.05 OV 0.97 ! PT 0.88 SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00 HN 0.94 KP 1.05 ! LA 1.10 MK 0.95 NL 1.03 OV 0.99 ! PT 0.92 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.99 HN 0.92 KP 0.95 ! LA 1.04 MK 1.02 NL 1.05 OV 0.93 ! PT 0.91 SC 0.94 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.95 HN 0.93 KP 0.96 ! LA 1.15 MK 1.02 NL 1.11 OV 1.02 ! PT 0.94 SC 0.97 ! ! ! Fit before self-cal, rms=0.017388Jy sigma=0.685545 ! Fit after self-cal, rms=0.016367Jy sigma=0.646645 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.741 mas, bmaj=4.629 mas, bpa=26.66 degrees ! Estimated noise=0.434715 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 (-4.2, -3.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00149004 Jy ! Component: 100 - total flux cleaned = 0.00215173 Jy ! Component: 150 - total flux cleaned = 0.0022754 Jy ! Component: 200 - total flux cleaned = 0.00227449 Jy ! Total flux subtracted in 200 components = 0.00227449 Jy ! Clean residual min=-0.001257 max=0.001300 Jy/beam ! Clean residual mean=0.000001 rms=0.000306 Jy/beam ! Combined flux in latest and established models = 0.0694988 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 93 components and 0.0694988 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=0.016232Jy sigma=0.638712 ! Fit after self-cal, rms=0.016236Jy sigma=0.638359 ! 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=0.016236Jy sigma=0.638359 ! Fit after self-cal, rms=0.016198Jy sigma=0.638063 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.737 mas, bmaj=4.624 mas, bpa=26.72 degrees ! Estimated noise=0.433477 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000239567 Jy ! Component: 100 - total flux cleaned = 0.000276936 Jy ! Component: 150 - total flux cleaned = 0.000310107 Jy ! Component: 200 - total flux cleaned = 0.000325312 Jy ! Total flux subtracted in 200 components = 0.000325312 Jy ! Clean residual min=-0.001235 max=0.001315 Jy/beam ! Clean residual mean=0.000001 rms=0.000296 Jy/beam ! Combined flux in latest and established models = 0.0698241 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 115 components and 0.0698242 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=0.016164Jy sigma=0.636394 ! Fit after self-cal, rms=0.016164Jy sigma=0.636375 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 (-69.3, -64.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00115942 Jy ! Component: 100 - total flux cleaned = 0.00175164 Jy ! Component: 150 - total flux cleaned = 0.00193206 Jy ! Component: 200 - total flux cleaned = 0.00197242 Jy ! Total flux subtracted in 200 components = 0.00197242 Jy ! Clean residual min=-0.001141 max=0.001085 Jy/beam ! Clean residual mean=0.000001 rms=0.000266 Jy/beam ! Combined flux in latest and established models = 0.0717966 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 137 components and 0.0717966 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=0.016055Jy sigma=0.631561 ! Fit after self-cal, rms=0.016048Jy sigma=0.631400 ! 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=0.016048Jy sigma=0.631400 ! Fit after self-cal, rms=0.016037Jy sigma=0.631285 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.736 mas, bmaj=4.624 mas, bpa=26.73 degrees ! Estimated noise=0.432809 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000188415 Jy ! Component: 100 - total flux cleaned = 0.000274061 Jy ! Component: 150 - total flux cleaned = 0.000338 Jy ! Component: 200 - total flux cleaned = 0.000368995 Jy ! Total flux subtracted in 200 components = 0.000368995 Jy ! Clean residual min=-0.001119 max=0.001025 Jy/beam ! Clean residual mean=0.000001 rms=0.000258 Jy/beam ! Combined flux in latest and established models = 0.0721656 Jy selfcal ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 156 components and 0.0721656 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=0.016003Jy sigma=0.629948 ! Fit after self-cal, rms=0.016002Jy sigma=0.629923 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 = 9.29154e-05 Jy ! Component: 100 - total flux cleaned = 0.000193592 Jy ! Component: 150 - total flux cleaned = 0.000261814 Jy ! Component: 200 - total flux cleaned = 0.000287767 Jy ! Total flux subtracted in 200 components = 0.000287767 Jy ! Clean residual min=-0.001099 max=0.000993 Jy/beam ! Clean residual mean=0.000001 rms=0.000252 Jy/beam ! Combined flux in latest and established models = 0.0724533 Jy ! Performing phase self-cal ! Adding 45 model components to the UV plane model. ! The established model now contains 167 components and 0.0724533 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=0.015978Jy sigma=0.629034 ! Fit after self-cal, rms=0.015978Jy sigma=0.629021 ! 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=0.015978Jy sigma=0.629021 ! Fit after self-cal, rms=0.015988Jy sigma=0.628994 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.51 mas, bmaj=5.345 mas, bpa=19.28 degrees ! Estimated noise=0.526426 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.85068e-05 Jy ! Component: 100 - total flux cleaned = -1.35893e-05 Jy ! Component: 150 - total flux cleaned = 4.72569e-05 Jy ! Component: 200 - total flux cleaned = 8.86072e-05 Jy ! Total flux subtracted in 200 components = 8.86072e-05 Jy ! Clean residual min=-0.001478 max=0.001097 Jy/beam ! Clean residual mean=0.000002 rms=0.000316 Jy/beam ! Combined flux in latest and established models = 0.072542 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 195 components and 0.0725419 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=0.015971Jy sigma=0.628505 ! Fit after self-cal, rms=0.015971Jy sigma=0.628476 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 = 6.92656e-05 Jy ! Component: 100 - total flux cleaned = 9.37961e-05 Jy ! Component: 150 - total flux cleaned = 0.000139827 Jy ! Component: 200 - total flux cleaned = 0.000172213 Jy ! Total flux subtracted in 200 components = 0.000172213 Jy ! Clean residual min=-0.001411 max=0.001066 Jy/beam ! Clean residual mean=0.000002 rms=0.000306 Jy/beam ! Combined flux in latest and established models = 0.0727141 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 213 components and 0.0727141 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=0.015962Jy sigma=0.628202 ! Fit after self-cal, rms=0.015962Jy sigma=0.628188 ! 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=1.736 mas, bmaj=4.624 mas, bpa=26.72 degrees ! Estimated noise=0.432915 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.736 x 4.624 at 26.72 degrees (North through East) ! Clean map min=-0.0010012 max=0.05057 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.41 mas, bmaj=4.433 mas, bpa=27.97 degrees ! Estimated noise=0.608011 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0372557 Jy ! Component: 100 - total flux cleaned = 0.0465776 Jy ! Component: 150 - total flux cleaned = 0.0513053 Jy ! Component: 200 - total flux cleaned = 0.0544253 Jy ! Total flux subtracted in 200 components = 0.0544253 Jy ! Clean residual min=-0.001880 max=0.002114 Jy/beam ! Clean residual mean=0.000002 rms=0.000494 Jy/beam ! Combined flux in latest and established models = 0.0544253 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.0544253 Jy ! Inverting map and beam ! Estimated beam: bmin=1.736 mas, bmaj=4.624 mas, bpa=26.72 degrees ! Estimated noise=0.432915 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 = 0.00344503 Jy ! Component: 100 - total flux cleaned = 0.00592596 Jy ! Component: 150 - total flux cleaned = 0.0078157 Jy ! Component: 200 - total flux cleaned = 0.00935582 Jy ! Total flux subtracted in 200 components = 0.00935582 Jy ! Clean residual min=-0.001631 max=0.001440 Jy/beam ! Clean residual mean=0.000001 rms=0.000374 Jy/beam ! Combined flux in latest and established models = 0.0637811 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 66 components and 0.0637811 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.51 mas, bmaj=5.345 mas, bpa=19.28 degrees ! Estimated noise=0.526426 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0021261 Jy ! Component: 100 - total flux cleaned = 0.00360713 Jy ! Component: 150 - total flux cleaned = 0.0047633 Jy ! Component: 200 - total flux cleaned = 0.00540674 Jy ! Total flux subtracted in 200 components = 0.00540674 Jy ! Clean residual min=-0.001920 max=0.001282 Jy/beam ! Clean residual mean=0.000002 rms=0.000413 Jy/beam ! Combined flux in latest and established models = 0.0691879 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 = 0.000386217 Jy ! Component: 100 - total flux cleaned = 0.00067187 Jy ! Component: 150 - total flux cleaned = 0.000877291 Jy ! Component: 200 - total flux cleaned = 0.00104318 Jy ! Total flux subtracted in 200 components = 0.00104318 Jy ! Clean residual min=-0.001738 max=0.001226 Jy/beam ! Clean residual mean=0.000001 rms=0.000369 Jy/beam ! Combined flux in latest and established models = 0.0702311 Jy ! Adding 92 model components to the UV plane model. ! The established model now contains 152 components and 0.0702311 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.736 mas, bmaj=4.624 mas, bpa=26.72 degrees ! Estimated noise=0.432915 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00026028 Jy ! Component: 100 - total flux cleaned = 0.000541708 Jy ! Component: 150 - total flux cleaned = 0.000737527 Jy ! Component: 200 - total flux cleaned = 0.00093444 Jy ! Total flux subtracted in 200 components = 0.00093444 Jy ! Clean residual min=-0.001163 max=0.001064 Jy/beam ! Clean residual mean=0.000001 rms=0.000265 Jy/beam ! Combined flux in latest and established models = 0.0711655 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 174 components and 0.0711655 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=0.016040Jy sigma=0.631314 ! Fit after self-cal, rms=0.016034Jy sigma=0.631050 wmodel J1832+4041_C_map.mod ! Writing 174 model components to file: J1832+4041_C_map.mod wobs J1832+4041_C_uvs.fits ! Writing UV FITS file: J1832+4041_C_uvs.fits wwins J1832+4041_C_map.win ! wwins: Wrote 4 windows to J1832+4041_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 = -0.000251112 Jy ! Component: 100 - total flux cleaned = -0.000415923 Jy ! Component: 150 - total flux cleaned = -0.000483589 Jy ! Component: 200 - total flux cleaned = -0.000499606 Jy ! Component: 250 - total flux cleaned = -0.000546165 Jy ! Component: 300 - total flux cleaned = -0.000560505 Jy ! Component: 350 - total flux cleaned = -0.000574802 Jy ! Component: 400 - total flux cleaned = -0.000630507 Jy ! Component: 450 - total flux cleaned = -0.000670849 Jy ! Component: 500 - total flux cleaned = -0.000683702 Jy ! Component: 550 - total flux cleaned = -0.000734519 Jy ! Component: 600 - total flux cleaned = -0.000734353 Jy ! Component: 650 - total flux cleaned = -0.000807514 Jy ! Component: 700 - total flux cleaned = -0.000831141 Jy ! Component: 750 - total flux cleaned = -0.000819703 Jy ! Component: 800 - total flux cleaned = -0.000854308 Jy ! Component: 850 - total flux cleaned = -0.000854301 Jy ! Component: 900 - total flux cleaned = -0.000832077 Jy ! Component: 950 - total flux cleaned = -0.000799577 Jy ! Component: 1000 - total flux cleaned = -0.000778457 Jy ! Component: 1050 - total flux cleaned = -0.000757611 Jy ! Component: 1100 - total flux cleaned = -0.000726825 Jy ! Component: 1150 - total flux cleaned = -0.000716612 Jy ! Component: 1200 - total flux cleaned = -0.000676827 Jy ! Component: 1250 - total flux cleaned = -0.000628067 Jy ! Component: 1300 - total flux cleaned = -0.00058019 Jy ! Component: 1350 - total flux cleaned = -0.000580186 Jy ! Component: 1400 - total flux cleaned = -0.000552176 Jy ! Component: 1450 - total flux cleaned = -0.000515183 Jy ! Component: 1500 - total flux cleaned = -0.000460712 Jy ! Component: 1550 - total flux cleaned = -0.000433968 Jy ! Component: 1600 - total flux cleaned = -0.000381237 Jy ! Component: 1650 - total flux cleaned = -0.000355423 Jy ! Component: 1700 - total flux cleaned = -0.000338345 Jy ! Component: 1750 - total flux cleaned = -0.000321296 Jy ! Component: 1800 - total flux cleaned = -0.00028772 Jy ! Component: 1850 - total flux cleaned = -0.000238109 Jy ! Component: 1900 - total flux cleaned = -0.000181092 Jy ! Component: 1950 - total flux cleaned = -0.000189209 Jy ! Component: 2000 - total flux cleaned = -0.000149502 Jy ! Component: 2050 - total flux cleaned = -0.000110298 Jy ! Component: 2100 - total flux cleaned = -0.000102676 Jy ! Component: 2150 - total flux cleaned = -9.49655e-05 Jy ! Component: 2200 - total flux cleaned = -5.68294e-05 Jy ! Component: 2250 - total flux cleaned = -1.92426e-05 Jy ! Component: 2300 - total flux cleaned = -1.18211e-05 Jy ! Component: 2350 - total flux cleaned = 2.94739e-06 Jy ! Component: 2400 - total flux cleaned = 1.75637e-05 Jy ! Component: 2450 - total flux cleaned = -4.13701e-06 Jy ! Component: 2500 - total flux cleaned = 1.74622e-05 Jy ! Component: 2550 - total flux cleaned = 1.74919e-05 Jy ! Component: 2600 - total flux cleaned = 5.25921e-05 Jy ! Component: 2650 - total flux cleaned = 5.2617e-05 Jy ! Component: 2700 - total flux cleaned = 5.95007e-05 Jy ! Component: 2750 - total flux cleaned = 9.36779e-05 Jy ! Component: 2800 - total flux cleaned = 0.000100419 Jy ! Component: 2850 - total flux cleaned = 0.000127207 Jy ! Component: 2900 - total flux cleaned = 0.000140517 Jy ! Component: 2950 - total flux cleaned = 0.000140672 Jy ! Component: 3000 - total flux cleaned = 0.000186231 Jy ! Component: 3050 - total flux cleaned = 0.00017981 Jy ! Component: 3100 - total flux cleaned = 0.000179827 Jy ! Component: 3150 - total flux cleaned = 0.000211608 Jy ! Component: 3200 - total flux cleaned = 0.000211612 Jy ! Component: 3250 - total flux cleaned = 0.000217826 Jy ! Component: 3300 - total flux cleaned = 0.000224023 Jy ! Component: 3350 - total flux cleaned = 0.000242476 Jy ! Component: 3400 - total flux cleaned = 0.000236392 Jy ! Component: 3450 - total flux cleaned = 0.000248551 Jy ! Component: 3500 - total flux cleaned = 0.00028454 Jy ! Component: 3550 - total flux cleaned = 0.000284551 Jy ! Component: 3600 - total flux cleaned = 0.000290383 Jy ! Component: 3650 - total flux cleaned = 0.000296365 Jy ! Component: 3700 - total flux cleaned = 0.00030804 Jy ! Component: 3750 - total flux cleaned = 0.000325453 Jy ! Component: 3800 - total flux cleaned = 0.000331213 Jy ! Component: 3850 - total flux cleaned = 0.000342663 Jy ! Component: 3900 - total flux cleaned = 0.000336968 Jy ! Component: 3950 - total flux cleaned = 0.000365237 Jy ! Component: 4000 - total flux cleaned = 0.000398969 Jy ! Component: 4050 - total flux cleaned = 0.000393363 Jy ! Total flux subtracted in 4096 components = 0.000398892 Jy ! Clean residual min=-0.000414 max=0.000305 Jy/beam ! Clean residual mean=0.000000 rms=0.000100 Jy/beam ! Combined flux in latest and established models = 0.0715644 Jy keep ! Adding 290 model components to the UV plane model. ! The established model now contains 464 components and 0.0715645 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1832+4041_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.736 x 4.624 at 26.72 degrees (North through East) ! Clean map min=-0.00057092 max=0.05056 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1832+4041_C_map.fits wmodel /vlbi/sb072/temp_maps//J1832+4041_C_map.mod ! Writing 464 model components to file: /vlbi/sb072/temp_maps//J1832+4041_C_map.mod wobs /vlbi/sb072/temp_maps//J1832+4041_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1832+4041_C_uvs.fits wwins /vlbi/sb072/temp_maps//J1832+4041_C_map.win ! wwins: Wrote 5 windows to /vlbi/sb072/temp_maps//J1832+4041_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0505601 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 9.87057e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.585674 0.585674 1.17135 2.34269 4.68539 9.37078 18.7416 37.4831 74.9662 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.05 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 512.23 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1832+4041_C_dfm.log closed on Tue Mar 5 23:28:25 2019