! Started logfile: /vlbi/uf001/uva//J1900+2701_X_dfm.log on Mon Jan 14 04:54:03 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//J1900+2701_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1900+2701_X_uva.fits ! AN table 1: 57 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.97193 visibilities/baseline/integration-bin. ! Found source: J1900+2701 ! ! 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 29916 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 J1900+2701_X] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.014327Jy sigma=27.035858 ! Fit after self-cal, rms=0.829976Jy sigma=22.204606 ! 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=0.7093 mas, bmaj=1.491 mas, bpa=-6.074 degrees ! Estimated noise=0.298315 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 = 0.130848 Jy ! Component: 100 - total flux cleaned = 0.160075 Jy ! Total flux subtracted in 100 components = 0.160075 Jy ! Clean residual min=-0.006146 max=0.020572 Jy/beam ! Clean residual mean=0.000015 rms=0.001583 Jy/beam ! Combined flux in latest and established models = 0.160075 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.160075 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=0.067459Jy sigma=1.742449 ! Fit after self-cal, rms=0.067454Jy sigma=1.742273 ! Inverting map ! Added new window around map position (3.4, -0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0176505 Jy ! Component: 100 - total flux cleaned = 0.027144 Jy ! Total flux subtracted in 100 components = 0.027144 Jy ! Clean residual min=-0.005149 max=0.015768 Jy/beam ! Clean residual mean=0.000009 rms=0.001221 Jy/beam ! Combined flux in latest and established models = 0.187219 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 16 components and 0.187219 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=0.060664Jy sigma=1.557464 ! Fit after self-cal, rms=0.060301Jy sigma=1.547230 ! Inverting map ! Added new window around map position (2, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0134603 Jy ! Component: 100 - total flux cleaned = 0.0204272 Jy ! Total flux subtracted in 100 components = 0.0204272 Jy ! Clean residual min=-0.004430 max=0.004629 Jy/beam ! Clean residual mean=0.000006 rms=0.000914 Jy/beam ! Combined flux in latest and established models = 0.207646 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 29 components and 0.207646 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=0.055940Jy sigma=1.425690 ! Fit after self-cal, rms=0.055738Jy sigma=1.419765 ! 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=0.9005 mas, bmaj=1.781 mas, bpa=-4.224 degrees ! Estimated noise=0.156883 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 = 0.0099924 Jy ! Component: 100 - total flux cleaned = 0.0166798 Jy ! Component: 150 - total flux cleaned = 0.0215688 Jy ! Component: 200 - total flux cleaned = 0.0252244 Jy ! Total flux subtracted in 200 components = 0.0252244 Jy ! Clean residual min=-0.004013 max=0.004671 Jy/beam ! Clean residual mean=0.000002 rms=0.000818 Jy/beam ! Combined flux in latest and established models = 0.23287 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 55 components and 0.23287 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=0.053470Jy sigma=1.359062 ! Fit after self-cal, rms=0.053335Jy sigma=1.355048 ! Inverting map ! Added new window around map position (2.2, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00474843 Jy ! Component: 100 - total flux cleaned = 0.00733718 Jy ! Component: 150 - total flux cleaned = 0.00910585 Jy ! Component: 200 - total flux cleaned = 0.0105756 Jy ! Total flux subtracted in 200 components = 0.0105756 Jy ! Clean residual min=-0.003155 max=0.003751 Jy/beam ! Clean residual mean=0.000001 rms=0.000689 Jy/beam ! Combined flux in latest and established models = 0.243446 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 77 components and 0.243446 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=0.052774Jy sigma=1.339620 ! Fit after self-cal, rms=0.052743Jy sigma=1.338791 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9005 x 1.781 at -4.224 degrees (North through East) ! Clean map min=-0.0029093 max=0.16803 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.97 KP 1.05 ! LA 1.00 MK 1.04 NL 1.10 OV 0.94 ! PT 0.94 SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.99 HN 0.96 KP 1.04 ! LA 1.00 MK 1.01 NL 1.12 OV 0.94 ! PT 0.94 SC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.99 HN 0.97 KP 1.05 ! LA 1.01 MK 1.00 NL 1.09 OV 0.92 ! PT 0.96 SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00 HN 0.97 KP 1.05 ! LA 0.99 MK 1.01 NL 1.10 OV 0.94 ! PT 0.94 SC 0.95 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.98 KP 1.03 ! LA 0.99 MK 1.01 NL 1.10 OV 0.92 ! PT 0.94 SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.01 HN 0.96 KP 1.03 ! LA 0.99 MK 1.01 NL 1.07 OV 0.92 ! PT 0.93 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.98 HN 0.96 KP 1.05 ! LA 0.99 MK 1.01 NL 1.09 OV 0.91 ! PT 0.94 SC 0.95 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.97 HN 0.96 KP 1.02 ! LA 0.98 MK 1.03 NL 1.08 OV 0.94 ! PT 0.95 SC 0.96 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.99 HN 0.95 KP 1.03 ! LA 0.98 MK 1.01 NL 1.07 OV 0.93 ! PT 0.94 SC 0.99 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.97 KP 1.03 ! LA 0.97 MK 1.00 NL 1.09 OV 0.91 ! PT 0.93 SC 0.96 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.98 HN 0.95 KP 1.04 ! LA 0.98 MK 0.99 NL 1.06 OV 0.91 ! PT 0.95 SC 0.96 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.98 HN 0.96 KP 1.03 ! LA 0.97 MK 1.02 NL 1.07 OV 0.90 ! PT 0.95 SC 0.96 ! ! ! Fit before self-cal, rms=0.052743Jy sigma=1.338791 ! Fit after self-cal, rms=0.050614Jy sigma=1.299303 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8987 mas, bmaj=1.787 mas, bpa=-3.85 degrees ! Estimated noise=0.155691 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 (4.6, 0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00138115 Jy ! Component: 100 - total flux cleaned = 0.0018434 Jy ! Component: 150 - total flux cleaned = 0.00227987 Jy ! Component: 200 - total flux cleaned = 0.00265175 Jy ! Total flux subtracted in 200 components = 0.00265175 Jy ! Clean residual min=-0.001437 max=0.001555 Jy/beam ! Clean residual mean=-0.000002 rms=0.000336 Jy/beam ! Combined flux in latest and established models = 0.246097 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 100 components and 0.246097 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=0.050409Jy sigma=1.293022 ! Fit after self-cal, rms=0.050415Jy sigma=1.292577 ! 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=0.050415Jy sigma=1.292577 ! Fit after self-cal, rms=0.050249Jy sigma=1.285036 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8988 mas, bmaj=1.788 mas, bpa=-4.086 degrees ! Estimated noise=0.155882 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000235741 Jy ! Component: 100 - total flux cleaned = 0.000512556 Jy ! Component: 150 - total flux cleaned = 0.000735807 Jy ! Component: 200 - total flux cleaned = 0.000892991 Jy ! Total flux subtracted in 200 components = 0.000892991 Jy ! Clean residual min=-0.000901 max=0.001080 Jy/beam ! Clean residual mean=-0.000000 rms=0.000237 Jy/beam ! Combined flux in latest and established models = 0.24699 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 111 components and 0.24699 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=0.050177Jy sigma=1.282896 ! Fit after self-cal, rms=0.050176Jy sigma=1.282750 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 (-34, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000739555 Jy ! Component: 100 - total flux cleaned = 0.000969748 Jy ! Component: 150 - total flux cleaned = 0.00112255 Jy ! Component: 200 - total flux cleaned = 0.00121495 Jy ! Total flux subtracted in 200 components = 0.00121495 Jy ! Clean residual min=-0.000873 max=0.001006 Jy/beam ! Clean residual mean=-0.000001 rms=0.000223 Jy/beam ! Combined flux in latest and established models = 0.248205 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 129 components and 0.248205 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=0.050144Jy sigma=1.281894 ! Fit after self-cal, rms=0.050141Jy sigma=1.281847 ! Inverting map ! Added new window around map position (-13.8, 16.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000894909 Jy ! Component: 100 - total flux cleaned = 0.00120793 Jy ! Component: 150 - total flux cleaned = 0.00133701 Jy ! Component: 200 - total flux cleaned = 0.00139698 Jy ! Total flux subtracted in 200 components = 0.00139698 Jy ! Clean residual min=-0.000854 max=0.000833 Jy/beam ! Clean residual mean=-0.000001 rms=0.000213 Jy/beam ! Combined flux in latest and established models = 0.249602 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 147 components and 0.249602 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=0.050117Jy sigma=1.281222 ! Fit after self-cal, rms=0.050116Jy sigma=1.281201 ! 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=0.050116Jy sigma=1.281201 ! Fit after self-cal, rms=0.050102Jy sigma=1.280933 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8984 mas, bmaj=1.787 mas, bpa=-4.073 degrees ! Estimated noise=0.155852 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -7.38482e-07 Jy ! Component: 100 - total flux cleaned = 0.000103678 Jy ! Component: 150 - total flux cleaned = 0.000180969 Jy ! Component: 200 - total flux cleaned = 0.000253659 Jy ! Total flux subtracted in 200 components = 0.000253659 Jy ! Clean residual min=-0.000848 max=0.000792 Jy/beam ! Clean residual mean=-0.000001 rms=0.000203 Jy/beam ! Combined flux in latest and established models = 0.249856 Jy selfcal ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 162 components and 0.249856 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=0.050087Jy sigma=1.280530 ! Fit after self-cal, rms=0.050087Jy sigma=1.280516 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 = 0.000111753 Jy ! Component: 100 - total flux cleaned = 0.000213124 Jy ! Component: 150 - total flux cleaned = 0.000292577 Jy ! Component: 200 - total flux cleaned = 0.00033812 Jy ! Total flux subtracted in 200 components = 0.00033812 Jy ! Clean residual min=-0.000838 max=0.000792 Jy/beam ! Clean residual mean=-0.000001 rms=0.000200 Jy/beam ! Combined flux in latest and established models = 0.250194 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 173 components and 0.250194 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=0.050077Jy sigma=1.280280 ! Fit after self-cal, rms=0.050077Jy sigma=1.280273 ! 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=0.050077Jy sigma=1.280273 ! Fit after self-cal, rms=0.050087Jy sigma=1.280234 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.075 mas, bmaj=2.74 mas, bpa=-2.901 degrees ! Estimated noise=0.198104 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000176554 Jy ! Component: 100 - total flux cleaned = 0.000313601 Jy ! Component: 150 - total flux cleaned = 0.000367539 Jy ! Component: 200 - total flux cleaned = 0.000403306 Jy ! Total flux subtracted in 200 components = 0.000403306 Jy ! Clean residual min=-0.000965 max=0.000931 Jy/beam ! Clean residual mean=-0.000002 rms=0.000262 Jy/beam ! Combined flux in latest and established models = 0.250597 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 197 components and 0.250597 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=0.050082Jy sigma=1.280110 ! Fit after self-cal, rms=0.050082Jy sigma=1.280103 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 = 0.000144927 Jy ! Component: 100 - total flux cleaned = 0.000176446 Jy ! Component: 150 - total flux cleaned = 0.000195569 Jy ! Component: 200 - total flux cleaned = 0.000221539 Jy ! Total flux subtracted in 200 components = 0.000221539 Jy ! Clean residual min=-0.000924 max=0.000913 Jy/beam ! Clean residual mean=-0.000001 rms=0.000259 Jy/beam ! Combined flux in latest and established models = 0.250819 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 202 components and 0.250819 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=0.050080Jy sigma=1.280062 ! Fit after self-cal, rms=0.050080Jy sigma=1.280057 ! 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=0.898 mas, bmaj=1.787 mas, bpa=-4.049 degrees ! Estimated noise=0.155889 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.898 x 1.787 at -4.049 degrees (North through East) ! Clean map min=-0.00077392 max=0.16736 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=0.7075 mas, bmaj=1.493 mas, bpa=-5.924 degrees ! Estimated noise=0.296884 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.129926 Jy ! Component: 100 - total flux cleaned = 0.163797 Jy ! Component: 150 - total flux cleaned = 0.182723 Jy ! Component: 200 - total flux cleaned = 0.195178 Jy ! Total flux subtracted in 200 components = 0.195178 Jy ! Clean residual min=-0.003650 max=0.006884 Jy/beam ! Clean residual mean=0.000009 rms=0.000805 Jy/beam ! Combined flux in latest and established models = 0.195178 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 0.195178 Jy ! Inverting map and beam ! Estimated beam: bmin=0.898 mas, bmaj=1.787 mas, bpa=-4.049 degrees ! Estimated noise=0.155889 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 = 0.0138911 Jy ! Component: 100 - total flux cleaned = 0.0232174 Jy ! Component: 150 - total flux cleaned = 0.0299546 Jy ! Component: 200 - total flux cleaned = 0.0349179 Jy ! Total flux subtracted in 200 components = 0.0349179 Jy ! Clean residual min=-0.001428 max=0.002821 Jy/beam ! Clean residual mean=0.000004 rms=0.000443 Jy/beam ! Combined flux in latest and established models = 0.230096 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 42 components and 0.230096 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00370019 Jy ! Component: 100 - total flux cleaned = 0.00650521 Jy ! Component: 150 - total flux cleaned = 0.00869811 Jy ! Component: 200 - total flux cleaned = 0.0104693 Jy ! Total flux subtracted in 200 components = 0.0104693 Jy ! Clean residual min=-0.001037 max=0.001066 Jy/beam ! Clean residual mean=0.000001 rms=0.000268 Jy/beam ! Combined flux in latest and established models = 0.240565 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 70 components and 0.240565 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=2.075 mas, bmaj=2.74 mas, bpa=-2.901 degrees ! Estimated noise=0.198104 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00250102 Jy ! Component: 100 - total flux cleaned = 0.00417303 Jy ! Component: 150 - total flux cleaned = 0.00544927 Jy ! Component: 200 - total flux cleaned = 0.00646253 Jy ! Total flux subtracted in 200 components = 0.00646253 Jy ! Clean residual min=-0.001105 max=0.001092 Jy/beam ! Clean residual mean=-0.000001 rms=0.000292 Jy/beam ! Combined flux in latest and established models = 0.247027 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 = 0.000819179 Jy ! Component: 100 - total flux cleaned = 0.00148703 Jy ! Component: 150 - total flux cleaned = 0.00203674 Jy ! Component: 200 - total flux cleaned = 0.00237071 Jy ! Total flux subtracted in 200 components = 0.00237071 Jy ! Clean residual min=-0.000986 max=0.000993 Jy/beam ! Clean residual mean=-0.000001 rms=0.000266 Jy/beam ! Combined flux in latest and established models = 0.249398 Jy ! Adding 111 model components to the UV plane model. ! The established model now contains 164 components and 0.249398 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.898 mas, bmaj=1.787 mas, bpa=-4.049 degrees ! Estimated noise=0.155889 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000184112 Jy ! Component: 100 - total flux cleaned = 0.000298184 Jy ! Component: 150 - total flux cleaned = 0.000442683 Jy ! Component: 200 - total flux cleaned = 0.000555188 Jy ! Total flux subtracted in 200 components = 0.000555188 Jy ! Clean residual min=-0.000884 max=0.000800 Jy/beam ! Clean residual mean=-0.000001 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.249953 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 189 components and 0.249953 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=0.050101Jy sigma=1.280635 ! Fit after self-cal, rms=0.050092Jy sigma=1.280452 wmodel J1900+2701_X_map.mod ! Writing 189 model components to file: J1900+2701_X_map.mod wobs J1900+2701_X_uvs.fits ! Writing UV FITS file: J1900+2701_X_uvs.fits wwins J1900+2701_X_map.win ! wwins: Wrote 7 windows to J1900+2701_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 = -4.87276e-05 Jy ! Component: 100 - total flux cleaned = -6.32459e-05 Jy ! Component: 150 - total flux cleaned = -0.000133597 Jy ! Component: 200 - total flux cleaned = -0.000188527 Jy ! Component: 250 - total flux cleaned = -0.000215252 Jy ! Component: 300 - total flux cleaned = -0.000254666 Jy ! Component: 350 - total flux cleaned = -0.000267682 Jy ! Component: 400 - total flux cleaned = -0.000267907 Jy ! Component: 450 - total flux cleaned = -0.00029284 Jy ! Component: 500 - total flux cleaned = -0.00029271 Jy ! Component: 550 - total flux cleaned = -0.00030442 Jy ! Component: 600 - total flux cleaned = -0.000280427 Jy ! Component: 650 - total flux cleaned = -0.000292268 Jy ! Component: 700 - total flux cleaned = -0.000326905 Jy ! Component: 750 - total flux cleaned = -0.000383765 Jy ! Component: 800 - total flux cleaned = -0.000372584 Jy ! Component: 850 - total flux cleaned = -0.000383758 Jy ! Component: 900 - total flux cleaned = -0.000383862 Jy ! Component: 950 - total flux cleaned = -0.000394814 Jy ! Component: 1000 - total flux cleaned = -0.000416039 Jy ! Component: 1050 - total flux cleaned = -0.000458189 Jy ! Component: 1100 - total flux cleaned = -0.00044777 Jy ! Component: 1150 - total flux cleaned = -0.000458184 Jy ! Component: 1200 - total flux cleaned = -0.000478677 Jy ! Component: 1250 - total flux cleaned = -0.000458568 Jy ! Component: 1300 - total flux cleaned = -0.000468581 Jy ! Component: 1350 - total flux cleaned = -0.000478462 Jy ! Component: 1400 - total flux cleaned = -0.000409679 Jy ! Component: 1450 - total flux cleaned = -0.000448739 Jy ! Component: 1500 - total flux cleaned = -0.000439092 Jy ! Component: 1550 - total flux cleaned = -0.000410459 Jy ! Component: 1600 - total flux cleaned = -0.000419904 Jy ! Component: 1650 - total flux cleaned = -0.000410467 Jy ! Component: 1700 - total flux cleaned = -0.000410597 Jy ! Component: 1750 - total flux cleaned = -0.000419773 Jy ! Component: 1800 - total flux cleaned = -0.000401437 Jy ! Component: 1850 - total flux cleaned = -0.000392356 Jy ! Component: 1900 - total flux cleaned = -0.000356198 Jy ! Component: 1950 - total flux cleaned = -0.000392087 Jy ! Component: 2000 - total flux cleaned = -0.000338574 Jy ! Component: 2050 - total flux cleaned = -0.000347358 Jy ! Component: 2100 - total flux cleaned = -0.000338511 Jy ! Component: 2150 - total flux cleaned = -0.000303823 Jy ! Component: 2200 - total flux cleaned = -0.000347006 Jy ! Component: 2250 - total flux cleaned = -0.000312845 Jy ! Component: 2300 - total flux cleaned = -0.000321409 Jy ! Component: 2350 - total flux cleaned = -0.000346712 Jy ! Component: 2400 - total flux cleaned = -0.000329841 Jy ! Component: 2450 - total flux cleaned = -0.000313163 Jy ! Component: 2500 - total flux cleaned = -0.000280038 Jy ! Component: 2550 - total flux cleaned = -0.000263633 Jy ! Component: 2600 - total flux cleaned = -0.000239165 Jy ! Component: 2650 - total flux cleaned = -0.000247395 Jy ! Component: 2700 - total flux cleaned = -0.000231232 Jy ! Component: 2750 - total flux cleaned = -0.000223124 Jy ! Component: 2800 - total flux cleaned = -0.000215194 Jy ! Component: 2850 - total flux cleaned = -0.000247077 Jy ! Component: 2900 - total flux cleaned = -0.000231214 Jy ! Component: 2950 - total flux cleaned = -0.000223394 Jy ! Component: 3000 - total flux cleaned = -0.000223497 Jy ! Component: 3050 - total flux cleaned = -0.000215746 Jy ! Component: 3100 - total flux cleaned = -0.000200342 Jy ! Component: 3150 - total flux cleaned = -0.000192682 Jy ! Component: 3200 - total flux cleaned = -0.000208047 Jy ! Component: 3250 - total flux cleaned = -0.00021561 Jy ! Component: 3300 - total flux cleaned = -0.000215603 Jy ! Component: 3350 - total flux cleaned = -0.000215604 Jy ! Component: 3400 - total flux cleaned = -0.000200635 Jy ! Component: 3450 - total flux cleaned = -0.000215519 Jy ! Component: 3500 - total flux cleaned = -0.000200725 Jy ! Component: 3550 - total flux cleaned = -0.000200712 Jy ! Component: 3600 - total flux cleaned = -0.000178789 Jy ! Component: 3650 - total flux cleaned = -0.000156896 Jy ! Component: 3700 - total flux cleaned = -0.000178661 Jy ! Component: 3750 - total flux cleaned = -0.00019316 Jy ! Component: 3800 - total flux cleaned = -0.000164409 Jy ! Component: 3850 - total flux cleaned = -0.000171519 Jy ! Component: 3900 - total flux cleaned = -0.000185731 Jy ! Component: 3950 - total flux cleaned = -0.000178646 Jy ! Component: 4000 - total flux cleaned = -0.000185636 Jy ! Component: 4050 - total flux cleaned = -0.000164619 Jy ! Total flux subtracted in 4096 components = -0.000150655 Jy ! Clean residual min=-0.000401 max=0.000422 Jy/beam ! Clean residual mean=-0.000000 rms=0.000122 Jy/beam ! Combined flux in latest and established models = 0.249803 Jy keep ! Adding 333 model components to the UV plane model. ! The established model now contains 522 components and 0.249803 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1900+2701_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.898 x 1.787 at -4.049 degrees (North through East) ! Clean map min=-0.00071996 max=0.1673 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1900+2701_X_map.fits wmodel /vlbi/uf001/uva//J1900+2701_X_map.mod ! Writing 522 model components to file: /vlbi/uf001/uva//J1900+2701_X_map.mod wobs /vlbi/uf001/uva//J1900+2701_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1900+2701_X_uvs.fits wwins /vlbi/uf001/uva//J1900+2701_X_map.win ! wwins: Wrote 8 windows to /vlbi/uf001/uva//J1900+2701_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.1673 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00012146 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.2178 0.2178 0.435601 0.871202 1.7424 3.48481 6.96961 13.9392 27.8785 55.7569 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.167 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1377.41 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1900+2701_X_dfm.log closed on Mon Jan 14 04:54:09 2019