! Started logfile: /vlbi/uf001/uva//J1657-2004_X_dfm.log on Mon Jan 14 03:58:32 2019 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /vlbi/uf001/uva//J1657-2004_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1657-2004_X_uva.fits ! AN table 1: 48 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.993981 visibilities/baseline/integration-bin. ! Found source: J1657-2004 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 134 lines of history. ! ! Reading 25764 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 12 channels. ! Selecting polarization: RR, channels: 1..12 ! 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 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 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 J1657-2004_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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=1.004269Jy sigma=21.362442 ! Fit after self-cal, rms=0.923394Jy sigma=19.585867 ! 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=0.6259 mas, bmaj=1.667 mas, bpa=-2.413 degrees ! Estimated noise=0.396032 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 = 0.0573891 Jy ! Component: 100 - total flux cleaned = 0.0712005 Jy ! Total flux subtracted in 100 components = 0.0712005 Jy ! Clean residual min=-0.005694 max=0.012913 Jy/beam ! Clean residual mean=-0.000003 rms=0.001367 Jy/beam ! Combined flux in latest and established models = 0.0712004 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.0712004 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.071843Jy sigma=1.433451 ! Fit after self-cal, rms=0.071475Jy sigma=1.426484 ! Inverting map ! Added new window around map position (2.4, 0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.011403 Jy ! Component: 100 - total flux cleaned = 0.0179307 Jy ! Total flux subtracted in 100 components = 0.0179307 Jy ! Clean residual min=-0.005203 max=0.005779 Jy/beam ! Clean residual mean=-0.000001 rms=0.001120 Jy/beam ! Combined flux in latest and established models = 0.0891311 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 19 components and 0.0891311 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.068701Jy sigma=1.355750 ! Fit after self-cal, rms=0.068588Jy sigma=1.353417 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8128 mas, bmaj=2.086 mas, bpa=-1.984 degrees ! Estimated noise=0.212063 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 = 0.0103714 Jy ! Component: 100 - total flux cleaned = 0.0169719 Jy ! Component: 150 - total flux cleaned = 0.0213609 Jy ! Component: 200 - total flux cleaned = 0.0243961 Jy ! Total flux subtracted in 200 components = 0.0243961 Jy ! Clean residual min=-0.005124 max=0.008911 Jy/beam ! Clean residual mean=-0.000009 rms=0.001474 Jy/beam ! Combined flux in latest and established models = 0.113527 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 37 components and 0.113527 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.067085Jy sigma=1.307713 ! Fit after self-cal, rms=0.067002Jy sigma=1.305514 ! Inverting map ! Added new window around map position (6.4, 3.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00860202 Jy ! Component: 100 - total flux cleaned = 0.0135566 Jy ! Component: 150 - total flux cleaned = 0.0172417 Jy ! Component: 200 - total flux cleaned = 0.0201479 Jy ! Total flux subtracted in 200 components = 0.0201479 Jy ! Clean residual min=-0.004739 max=0.005797 Jy/beam ! Clean residual mean=-0.000009 rms=0.001096 Jy/beam ! Combined flux in latest and established models = 0.133675 Jy ! Performing phase self-cal ! Adding 54 model components to the UV plane model. ! The established model now contains 87 components and 0.133675 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.065885Jy sigma=1.274761 ! Fit after self-cal, rms=0.065787Jy sigma=1.272078 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8128 x 2.086 at -1.984 degrees (North through East) ! Clean map min=-0.0042139 max=0.07868 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.00 HN 1.33 KP 1.07 ! LA 0.80 MK 1.04 NL 1.10 OV 0.91 ! PT 0.95 SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 1.29 KP 1.08 ! LA 0.79 MK 1.02 NL 1.14 OV 0.97 ! PT 0.95 SC 1.03 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.02 HN 1.28 KP 1.10 ! LA 0.82 MK 1.04 NL 1.04 OV 0.98 ! PT 0.96 SC 0.95 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.01 HN 1.32 KP 1.03 ! LA 0.84 MK 1.02 NL 1.09 OV 0.94 ! PT 0.95 SC 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.01 HN 1.39 KP 1.09 ! LA 0.81 MK 1.04 NL 1.15 OV 0.93 ! PT 0.83 SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.99 HN 1.29 KP 1.07 ! LA 0.82 MK 0.98 NL 1.11 OV 0.94 ! PT 0.91 SC 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.04 HN 1.28 KP 1.09 ! LA 0.79 MK 1.01 NL 1.05 OV 0.98 ! PT 0.91 SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.00 HN 1.27 KP 1.07 ! LA 0.82 MK 0.98 NL 1.06 OV 1.01 ! PT 0.92 SC 0.98 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 0.96 HN 1.23 KP 1.05 ! LA 0.81 MK 0.98 NL 1.09 OV 0.98 ! PT 0.92 SC 0.98 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.02 HN 1.22 KP 1.11 ! LA 0.82 MK 1.01 NL 1.08 OV 0.95 ! PT 0.87 SC 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.00 HN 1.28 KP 1.08 ! LA 0.81 MK 0.98 NL 1.11 OV 0.93 ! PT 0.91 SC 1.00 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.07 HN 1.29 KP 1.04 ! LA 0.80 MK 0.93 NL 1.13 OV 0.96 ! PT 0.90 SC 0.97 ! ! ! Fit before self-cal, rms=0.065787Jy sigma=1.272078 ! Fit after self-cal, rms=0.069786Jy sigma=1.237915 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8214 mas, bmaj=2.089 mas, bpa=-1.567 degrees ! Estimated noise=0.212504 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 (3.4, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00323407 Jy ! Component: 100 - total flux cleaned = 0.00446118 Jy ! Component: 150 - total flux cleaned = 0.00462617 Jy ! Component: 200 - total flux cleaned = 0.0045769 Jy ! Total flux subtracted in 200 components = 0.0045769 Jy ! Clean residual min=-0.001904 max=0.003177 Jy/beam ! Clean residual mean=0.000001 rms=0.000479 Jy/beam ! Combined flux in latest and established models = 0.138252 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 105 components and 0.138252 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.069593Jy sigma=1.234083 ! Fit after self-cal, rms=0.069800Jy sigma=1.232878 ! Inverting map ! Added new window around map position (8.8, 5.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00322558 Jy ! Component: 100 - total flux cleaned = 0.0049917 Jy ! Component: 150 - total flux cleaned = 0.00576246 Jy ! Component: 200 - total flux cleaned = 0.00580692 Jy ! Total flux subtracted in 200 components = 0.00580692 Jy ! Clean residual min=-0.001897 max=0.001862 Jy/beam ! Clean residual mean=0.000000 rms=0.000386 Jy/beam ! Combined flux in latest and established models = 0.144059 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 124 components and 0.144059 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.069601Jy sigma=1.229367 ! Fit after self-cal, rms=0.069560Jy sigma=1.228819 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.069560Jy sigma=1.228819 ! Fit after self-cal, rms=0.069916Jy sigma=1.225894 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8194 mas, bmaj=2.087 mas, bpa=-1.579 degrees ! Estimated noise=0.212607 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00132606 Jy ! Component: 100 - total flux cleaned = 0.00172002 Jy ! Component: 150 - total flux cleaned = 0.00179102 Jy ! Component: 200 - total flux cleaned = 0.0017908 Jy ! Total flux subtracted in 200 components = 0.0017908 Jy ! Clean residual min=-0.001402 max=0.001454 Jy/beam ! Clean residual mean=0.000001 rms=0.000326 Jy/beam ! Combined flux in latest and established models = 0.14585 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 129 components and 0.14585 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.069861Jy sigma=1.225138 ! Fit after self-cal, rms=0.069852Jy sigma=1.225023 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 (1.4, 1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00102492 Jy ! Component: 100 - total flux cleaned = 0.000906258 Jy ! Component: 150 - total flux cleaned = 0.00087105 Jy ! Component: 200 - total flux cleaned = 0.00080767 Jy ! Total flux subtracted in 200 components = 0.00080767 Jy ! Clean residual min=-0.001325 max=0.001349 Jy/beam ! Clean residual mean=0.000001 rms=0.000311 Jy/beam ! Combined flux in latest and established models = 0.146657 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 143 components and 0.146657 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.069784Jy sigma=1.224208 ! Fit after self-cal, rms=0.069769Jy sigma=1.224137 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.069769Jy sigma=1.224137 ! Fit after self-cal, rms=0.069516Jy sigma=1.223611 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8167 mas, bmaj=2.082 mas, bpa=-1.496 degrees ! Estimated noise=0.21243 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000886192 Jy ! Component: 100 - total flux cleaned = 0.00101532 Jy ! Component: 150 - total flux cleaned = 0.00104489 Jy ! Component: 200 - total flux cleaned = 0.00109891 Jy ! Total flux subtracted in 200 components = 0.00109891 Jy ! Clean residual min=-0.001207 max=0.001248 Jy/beam ! Clean residual mean=0.000002 rms=0.000291 Jy/beam ! Combined flux in latest and established models = 0.147756 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 154 components and 0.147756 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.069476Jy sigma=1.223118 ! Fit after self-cal, rms=0.069463Jy sigma=1.223064 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 = 0.000208776 Jy ! Component: 100 - total flux cleaned = 0.000207802 Jy ! Component: 150 - total flux cleaned = 0.000232426 Jy ! Component: 200 - total flux cleaned = 0.000232871 Jy ! Total flux subtracted in 200 components = 0.000232871 Jy ! Clean residual min=-0.001196 max=0.001197 Jy/beam ! Clean residual mean=0.000002 rms=0.000285 Jy/beam ! Combined flux in latest and established models = 0.147989 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 159 components and 0.147989 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.069440Jy sigma=1.222764 ! Fit after self-cal, rms=0.069434Jy sigma=1.222751 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.069434Jy sigma=1.222751 ! Fit after self-cal, rms=0.068980Jy sigma=1.222671 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.198 mas, bmaj=5.026 mas, bpa=6.004 degrees ! Estimated noise=0.263547 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000806035 Jy ! Component: 100 - total flux cleaned = 0.00101267 Jy ! Component: 150 - total flux cleaned = 0.00104639 Jy ! Component: 200 - total flux cleaned = 0.00104603 Jy ! Total flux subtracted in 200 components = 0.00104603 Jy ! Clean residual min=-0.001249 max=0.001470 Jy/beam ! Clean residual mean=0.000004 rms=0.000356 Jy/beam ! Combined flux in latest and established models = 0.149035 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 173 components and 0.149035 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.068969Jy sigma=1.222572 ! Fit after self-cal, rms=0.068958Jy sigma=1.222545 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 = 0.000100548 Jy ! Component: 100 - total flux cleaned = 0.000100748 Jy ! Component: 150 - total flux cleaned = 7.39958e-05 Jy ! Component: 200 - total flux cleaned = 6.20874e-05 Jy ! Total flux subtracted in 200 components = 6.20874e-05 Jy ! Clean residual min=-0.001247 max=0.001460 Jy/beam ! Clean residual mean=0.000004 rms=0.000353 Jy/beam ! Combined flux in latest and established models = 0.149097 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 180 components and 0.149097 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.068953Jy sigma=1.222500 ! Fit after self-cal, rms=0.068950Jy sigma=1.222489 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=0.8154 mas, bmaj=2.079 mas, bpa=-1.44 degrees ! Estimated noise=0.212439 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8154 x 2.079 at -1.44 degrees (North through East) ! Clean map min=-0.001046 max=0.077984 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=0.6259 mas, bmaj=1.652 mas, bpa=-1.691 degrees ! Estimated noise=0.398691 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0575545 Jy ! Component: 100 - total flux cleaned = 0.0739963 Jy ! Component: 150 - total flux cleaned = 0.0839295 Jy ! Component: 200 - total flux cleaned = 0.0913725 Jy ! Total flux subtracted in 200 components = 0.0913725 Jy ! Clean residual min=-0.003948 max=0.004535 Jy/beam ! Clean residual mean=-0.000001 rms=0.000915 Jy/beam ! Combined flux in latest and established models = 0.0913725 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 21 model components to the UV plane model. ! The established model now contains 21 components and 0.0913725 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8154 mas, bmaj=2.079 mas, bpa=-1.44 degrees ! Estimated noise=0.212439 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 = 0.0111382 Jy ! Component: 100 - total flux cleaned = 0.0195435 Jy ! Component: 150 - total flux cleaned = 0.0261099 Jy ! Component: 200 - total flux cleaned = 0.0313964 Jy ! Total flux subtracted in 200 components = 0.0313964 Jy ! Clean residual min=-0.002279 max=0.003243 Jy/beam ! Clean residual mean=-0.000000 rms=0.000737 Jy/beam ! Combined flux in latest and established models = 0.122769 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 60 components and 0.122769 Jy ! Inverting map ! Added new window around map position (-14.8, -29.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00431001 Jy ! Component: 100 - total flux cleaned = 0.0078573 Jy ! Component: 150 - total flux cleaned = 0.0108113 Jy ! Component: 200 - total flux cleaned = 0.0133052 Jy ! Total flux subtracted in 200 components = 0.0133052 Jy ! Clean residual min=-0.001583 max=0.001938 Jy/beam ! Clean residual mean=0.000001 rms=0.000436 Jy/beam ! Combined flux in latest and established models = 0.136074 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 85 components and 0.136074 Jy ! Inverting map ! Added new window around map position (-0.4, 17). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00220297 Jy ! Component: 100 - total flux cleaned = 0.00401959 Jy ! Component: 150 - total flux cleaned = 0.00557647 Jy ! Component: 200 - total flux cleaned = 0.00692231 Jy ! Total flux subtracted in 200 components = 0.00692231 Jy ! Clean residual min=-0.001215 max=0.001243 Jy/beam ! Clean residual mean=0.000001 rms=0.000323 Jy/beam ! Combined flux in latest and established models = 0.142996 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 107 components and 0.142996 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=2.198 mas, bmaj=5.026 mas, bpa=6.004 degrees ! Estimated noise=0.263547 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00194237 Jy ! Component: 100 - total flux cleaned = 0.00334873 Jy ! Component: 150 - total flux cleaned = 0.00440027 Jy ! Component: 200 - total flux cleaned = 0.0049924 Jy ! Total flux subtracted in 200 components = 0.0049924 Jy ! Clean residual min=-0.001200 max=0.001509 Jy/beam ! Clean residual mean=0.000004 rms=0.000373 Jy/beam ! Combined flux in latest and established models = 0.147989 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 = 0.000352432 Jy ! Component: 100 - total flux cleaned = 0.00051791 Jy ! Component: 150 - total flux cleaned = 0.000688822 Jy ! Component: 200 - total flux cleaned = 0.000842328 Jy ! Total flux subtracted in 200 components = 0.000842328 Jy ! Clean residual min=-0.001152 max=0.001494 Jy/beam ! Clean residual mean=0.000004 rms=0.000355 Jy/beam ! Combined flux in latest and established models = 0.148831 Jy ! Adding 66 model components to the UV plane model. ! The established model now contains 153 components and 0.148831 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8154 mas, bmaj=2.079 mas, bpa=-1.44 degrees ! Estimated noise=0.212439 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000353573 Jy ! Component: 100 - total flux cleaned = -0.000416115 Jy ! Component: 150 - total flux cleaned = -0.000389774 Jy ! Component: 200 - total flux cleaned = -0.00041354 Jy ! Total flux subtracted in 200 components = -0.00041354 Jy ! Clean residual min=-0.001037 max=0.001099 Jy/beam ! Clean residual mean=0.000002 rms=0.000264 Jy/beam ! Combined flux in latest and established models = 0.148418 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 173 components and 0.148418 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.068924Jy sigma=1.222028 ! Fit after self-cal, rms=0.068909Jy sigma=1.221833 wmodel J1657-2004_X_map.mod ! Writing 173 model components to file: J1657-2004_X_map.mod wobs J1657-2004_X_uvs.fits ! Writing UV FITS file: J1657-2004_X_uvs.fits wwins J1657-2004_X_map.win ! wwins: Wrote 8 windows to J1657-2004_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 = 3.1519e-06 Jy ! Component: 100 - total flux cleaned = -3.4024e-05 Jy ! Component: 150 - total flux cleaned = 2.37815e-06 Jy ! Component: 200 - total flux cleaned = 2.03399e-05 Jy ! Component: 250 - total flux cleaned = 8.6624e-05 Jy ! Component: 300 - total flux cleaned = 0.00018248 Jy ! Component: 350 - total flux cleaned = 0.000244771 Jy ! Component: 400 - total flux cleaned = 0.000366312 Jy ! Component: 450 - total flux cleaned = 0.00044061 Jy ! Component: 500 - total flux cleaned = 0.000513059 Jy ! Component: 550 - total flux cleaned = 0.00047013 Jy ! Component: 600 - total flux cleaned = 0.000540681 Jy ! Component: 650 - total flux cleaned = 0.000554277 Jy ! Component: 700 - total flux cleaned = 0.000554084 Jy ! Component: 750 - total flux cleaned = 0.000540582 Jy ! Component: 800 - total flux cleaned = 0.000553778 Jy ! Component: 850 - total flux cleaned = 0.000566777 Jy ! Component: 900 - total flux cleaned = 0.000554275 Jy ! Component: 950 - total flux cleaned = 0.000567188 Jy ! Component: 1000 - total flux cleaned = 0.000579603 Jy ! Component: 1050 - total flux cleaned = 0.000554763 Jy ! Component: 1100 - total flux cleaned = 0.000591534 Jy ! Component: 1150 - total flux cleaned = 0.000591698 Jy ! Component: 1200 - total flux cleaned = 0.000675369 Jy ! Component: 1250 - total flux cleaned = 0.0006869 Jy ! Component: 1300 - total flux cleaned = 0.000687019 Jy ! Component: 1350 - total flux cleaned = 0.000721962 Jy ! Component: 1400 - total flux cleaned = 0.000710482 Jy ! Component: 1450 - total flux cleaned = 0.000699364 Jy ! Component: 1500 - total flux cleaned = 0.000722114 Jy ! Component: 1550 - total flux cleaned = 0.0007446 Jy ! Component: 1600 - total flux cleaned = 0.000788786 Jy ! Component: 1650 - total flux cleaned = 0.000745026 Jy ! Component: 1700 - total flux cleaned = 0.00075595 Jy ! Component: 1750 - total flux cleaned = 0.00072371 Jy ! Component: 1800 - total flux cleaned = 0.000713075 Jy ! Component: 1850 - total flux cleaned = 0.000649548 Jy ! Component: 1900 - total flux cleaned = 0.000639018 Jy ! Component: 1950 - total flux cleaned = 0.00065991 Jy ! Component: 2000 - total flux cleaned = 0.000628867 Jy ! Component: 2050 - total flux cleaned = 0.000608244 Jy ! Component: 2100 - total flux cleaned = 0.000547323 Jy ! Component: 2150 - total flux cleaned = 0.000537225 Jy ! Component: 2200 - total flux cleaned = 0.000537156 Jy ! Component: 2250 - total flux cleaned = 0.000537246 Jy ! Component: 2300 - total flux cleaned = 0.000478012 Jy ! Component: 2350 - total flux cleaned = 0.000438996 Jy ! Component: 2400 - total flux cleaned = 0.000458472 Jy ! Component: 2450 - total flux cleaned = 0.000419901 Jy ! Component: 2500 - total flux cleaned = 0.000400661 Jy ! Component: 2550 - total flux cleaned = 0.000362688 Jy ! Component: 2600 - total flux cleaned = 0.000362769 Jy ! Component: 2650 - total flux cleaned = 0.000381542 Jy ! Component: 2700 - total flux cleaned = 0.000334994 Jy ! Component: 2750 - total flux cleaned = 0.000335006 Jy ! Component: 2800 - total flux cleaned = 0.0003258 Jy ! Component: 2850 - total flux cleaned = 0.000316673 Jy ! Component: 2900 - total flux cleaned = 0.000316629 Jy ! Component: 2950 - total flux cleaned = 0.000307599 Jy ! Component: 3000 - total flux cleaned = 0.000289704 Jy ! Component: 3050 - total flux cleaned = 0.000271866 Jy ! Component: 3100 - total flux cleaned = 0.00021013 Jy ! Component: 3150 - total flux cleaned = 0.000236488 Jy ! Component: 3200 - total flux cleaned = 0.000227777 Jy ! Component: 3250 - total flux cleaned = 0.000193138 Jy ! Component: 3300 - total flux cleaned = 0.000184603 Jy ! Component: 3350 - total flux cleaned = 0.000184568 Jy ! Component: 3400 - total flux cleaned = 0.000150638 Jy ! Component: 3450 - total flux cleaned = 0.000125349 Jy ! Component: 3500 - total flux cleaned = 0.000100204 Jy ! Component: 3550 - total flux cleaned = 7.52768e-05 Jy ! Component: 3600 - total flux cleaned = 3.3925e-05 Jy ! Component: 3650 - total flux cleaned = 5.85694e-05 Jy ! Component: 3700 - total flux cleaned = 1.75621e-05 Jy ! Component: 3750 - total flux cleaned = -6.90059e-06 Jy ! Component: 3800 - total flux cleaned = -3.92925e-05 Jy ! Component: 3850 - total flux cleaned = -0.000103605 Jy ! Component: 3900 - total flux cleaned = -0.000175543 Jy ! Component: 3950 - total flux cleaned = -0.000207287 Jy ! Component: 4000 - total flux cleaned = -0.000223044 Jy ! Component: 4050 - total flux cleaned = -0.000270196 Jy ! Total flux subtracted in 4096 components = -0.000285786 Jy ! Clean residual min=-0.000497 max=0.000430 Jy/beam ! Clean residual mean=0.000000 rms=0.000134 Jy/beam ! Combined flux in latest and established models = 0.148132 Jy keep ! Adding 296 model components to the UV plane model. ! The established model now contains 469 components and 0.148132 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1657-2004_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8154 x 2.079 at -1.44 degrees (North through East) ! Clean map min=-0.00078104 max=0.078321 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1657-2004_X_map.fits wmodel /vlbi/uf001/uva//J1657-2004_X_map.mod ! Writing 469 model components to file: /vlbi/uf001/uva//J1657-2004_X_map.mod wobs /vlbi/uf001/uva//J1657-2004_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1657-2004_X_uvs.fits wwins /vlbi/uf001/uva//J1657-2004_X_map.win ! wwins: Wrote 9 windows to /vlbi/uf001/uva//J1657-2004_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0783214 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000132703 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.5083 0.5083 1.0166 2.0332 4.0664 8.1328 16.2656 32.5312 65.0624 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.078 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 590.202 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1657-2004_X_dfm.log closed on Mon Jan 14 03:58:38 2019