! Started logfile: /vlbi/uf001/uva//J1935+8130_X_dfm.log on Mon Jan 14 05:08:54 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//J1935+8130_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1935+8130_X_uva.fits ! AN table 1: 76 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.923977 visibilities/baseline/integration-bin. ! Found source: J1935+8130 ! ! 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 30336 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 J1935+8130_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 26 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 26 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 26 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 26 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 26 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 26 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 26 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 26 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 26 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 26 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 26 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 26 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.022538Jy sigma=24.213259 ! Fit after self-cal, rms=0.829768Jy sigma=19.618516 ! 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=0.7808 mas, bmaj=0.795 mas, bpa=-31.54 degrees ! Estimated noise=0.341685 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 = 0.122474 Jy ! Component: 100 - total flux cleaned = 0.162249 Jy ! Total flux subtracted in 100 components = 0.162249 Jy ! Clean residual min=-0.011551 max=0.037381 Jy/beam ! Clean residual mean=-0.000018 rms=0.002592 Jy/beam ! Combined flux in latest and established models = 0.162249 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.162249 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=0.093820Jy sigma=2.161305 ! Fit after self-cal, rms=0.093765Jy sigma=2.159772 ! Inverting map ! Added new window around map position (-9.6, 4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0318256 Jy ! Component: 100 - total flux cleaned = 0.0485186 Jy ! Total flux subtracted in 100 components = 0.0485186 Jy ! Clean residual min=-0.009170 max=0.028020 Jy/beam ! Clean residual mean=-0.000015 rms=0.001932 Jy/beam ! Combined flux in latest and established models = 0.210767 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 16 components and 0.210767 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=0.079995Jy sigma=1.823954 ! Fit after self-cal, rms=0.078550Jy sigma=1.789520 ! Inverting map ! Added new window around map position (-3.2, 1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.024666 Jy ! Component: 100 - total flux cleaned = 0.0374341 Jy ! Total flux subtracted in 100 components = 0.0374341 Jy ! Clean residual min=-0.006116 max=0.010148 Jy/beam ! Clean residual mean=-0.000012 rms=0.001323 Jy/beam ! Combined flux in latest and established models = 0.248201 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 22 components and 0.248201 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=0.068998Jy sigma=1.562077 ! Fit after self-cal, rms=0.068438Jy sigma=1.547025 ! Inverting map ! Added new window around map position (-1, 0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0118061 Jy ! Component: 100 - total flux cleaned = 0.0205864 Jy ! Total flux subtracted in 100 components = 0.0205864 Jy ! Clean residual min=-0.005101 max=0.007489 Jy/beam ! Clean residual mean=-0.000010 rms=0.001093 Jy/beam ! Combined flux in latest and established models = 0.268788 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 30 components and 0.268788 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=0.064976Jy sigma=1.462421 ! Fit after self-cal, rms=0.064883Jy sigma=1.460256 ! Inverting map ! Added new window around map position (-1.2, -0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00851539 Jy ! Component: 100 - total flux cleaned = 0.014742 Jy ! Total flux subtracted in 100 components = 0.014742 Jy ! Clean residual min=-0.004645 max=0.006347 Jy/beam ! Clean residual mean=-0.000009 rms=0.000966 Jy/beam ! Combined flux in latest and established models = 0.28353 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 39 components and 0.28353 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=0.062907Jy sigma=1.410630 ! Fit after self-cal, rms=0.062811Jy sigma=1.408391 ! Inverting map ! Added new window around map position (-7.6, 3.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00655113 Jy ! Component: 100 - total flux cleaned = 0.0116742 Jy ! Total flux subtracted in 100 components = 0.0116742 Jy ! Clean residual min=-0.004083 max=0.005322 Jy/beam ! Clean residual mean=-0.000007 rms=0.000873 Jy/beam ! Combined flux in latest and established models = 0.295204 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 48 components and 0.295204 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=0.061661Jy sigma=1.379282 ! Fit after self-cal, rms=0.061622Jy sigma=1.378511 ! Inverting map ! Added new window around map position (-2.2, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00542648 Jy ! Component: 100 - total flux cleaned = 0.00960629 Jy ! Total flux subtracted in 100 components = 0.00960629 Jy ! Clean residual min=-0.003751 max=0.004095 Jy/beam ! Clean residual mean=-0.000006 rms=0.000813 Jy/beam ! Combined flux in latest and established models = 0.30481 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 53 components and 0.30481 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=0.060745Jy sigma=1.356220 ! Fit after self-cal, rms=0.060717Jy sigma=1.355635 ! 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=1.001 mas, bmaj=1.015 mas, bpa=-28.57 degrees ! Estimated noise=0.175903 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 = 0.0068718 Jy ! Component: 100 - total flux cleaned = 0.0120612 Jy ! Component: 150 - total flux cleaned = 0.0163278 Jy ! Component: 200 - total flux cleaned = 0.0199125 Jy ! Total flux subtracted in 200 components = 0.0199125 Jy ! Clean residual min=-0.003973 max=0.004565 Jy/beam ! Clean residual mean=-0.000010 rms=0.000873 Jy/beam ! Combined flux in latest and established models = 0.324723 Jy ! Performing phase self-cal ! Adding 47 model components to the UV plane model. ! The established model now contains 85 components and 0.324723 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=0.059565Jy sigma=1.326367 ! Fit after self-cal, rms=0.059504Jy sigma=1.324910 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.001 x 1.015 at -28.57 degrees (North through East) ! Clean map min=-0.0036989 max=0.15846 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 HN 0.99 KP 0.99 LA 0.98 ! MK 1.02 NL 1.08 OV 0.92 PT 0.91 ! SC 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 HN 0.99 KP 0.98 LA 0.98 ! MK 1.03 NL 1.08 OV 0.91 PT 0.92 ! SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 HN 0.96 KP 0.98 LA 1.00 ! MK 1.01 NL 1.08 OV 0.91 PT 0.92 ! SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 HN 0.96 KP 0.98 LA 0.97 ! MK 1.04 NL 1.09 OV 0.93 PT 0.93 ! SC 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 HN 1.00 KP 1.00 LA 0.99 ! MK 1.02 NL 1.11 OV 0.92 PT 0.94 ! SC 0.98 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 0.99 KP 1.00 LA 0.98 ! MK 1.03 NL 1.11 OV 0.93 PT 0.92 ! SC 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 0.99 KP 0.99 LA 0.99 ! MK 1.04 NL 1.09 OV 0.95 PT 0.93 ! SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 HN 1.03 KP 1.03 LA 1.01 ! MK 1.04 NL 1.11 OV 0.96 PT 0.92 ! SC 0.98 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 HN 1.02 KP 1.03 LA 1.01 ! MK 1.06 NL 1.11 OV 0.95 PT 0.93 ! SC 1.00 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 HN 1.03 KP 1.04 LA 0.99 ! MK 1.04 NL 1.13 OV 0.94 PT 0.95 ! SC 0.99 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 0.99 KP 1.01 LA 1.03 ! MK 1.04 NL 1.13 OV 0.96 PT 0.93 ! SC 0.99 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 HN 0.99 KP 1.01 LA 1.02 ! MK 1.01 NL 1.13 OV 0.95 PT 0.94 ! SC 1.00 ! ! ! Fit before self-cal, rms=0.059504Jy sigma=1.324910 ! Fit after self-cal, rms=0.057829Jy sigma=1.279224 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.005 mas, bmaj=1.02 mas, bpa=-28.38 degrees ! Estimated noise=0.176232 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 (-10.6, 4.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00182257 Jy ! Component: 100 - total flux cleaned = 0.00250744 Jy ! Component: 150 - total flux cleaned = 0.00306965 Jy ! Component: 200 - total flux cleaned = 0.0031904 Jy ! Total flux subtracted in 200 components = 0.0031904 Jy ! Clean residual min=-0.002264 max=0.001946 Jy/beam ! Clean residual mean=-0.000001 rms=0.000435 Jy/beam ! Combined flux in latest and established models = 0.327913 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 103 components and 0.327913 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=0.057609Jy sigma=1.273555 ! Fit after self-cal, rms=0.057615Jy sigma=1.272994 ! 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=0.057615Jy sigma=1.272994 ! Fit after self-cal, rms=0.057272Jy sigma=1.263199 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.006 mas, bmaj=1.016 mas, bpa=-24.55 degrees ! Estimated noise=0.176532 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00130336 Jy ! Component: 100 - total flux cleaned = 0.00162434 Jy ! Component: 150 - total flux cleaned = 0.00200348 Jy ! Component: 200 - total flux cleaned = 0.00230087 Jy ! Total flux subtracted in 200 components = 0.00230087 Jy ! Clean residual min=-0.001515 max=0.001536 Jy/beam ! Clean residual mean=0.000001 rms=0.000320 Jy/beam ! Combined flux in latest and established models = 0.330214 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 118 components and 0.330214 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=0.057185Jy sigma=1.261256 ! Fit after self-cal, rms=0.057185Jy sigma=1.261124 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 (2.2, 19). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00102637 Jy ! Component: 100 - total flux cleaned = 0.00139077 Jy ! Component: 150 - total flux cleaned = 0.00168208 Jy ! Component: 200 - total flux cleaned = 0.00181779 Jy ! Total flux subtracted in 200 components = 0.00181779 Jy ! Clean residual min=-0.001473 max=0.001297 Jy/beam ! Clean residual mean=0.000001 rms=0.000303 Jy/beam ! Combined flux in latest and established models = 0.332032 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 130 components and 0.332032 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=0.057127Jy sigma=1.259902 ! Fit after self-cal, rms=0.057125Jy sigma=1.259855 ! 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=0.057125Jy sigma=1.259855 ! Fit after self-cal, rms=0.057099Jy sigma=1.259601 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.005 mas, bmaj=1.015 mas, bpa=-24.43 degrees ! Estimated noise=0.176712 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000537583 Jy ! Component: 100 - total flux cleaned = 0.000797388 Jy ! Component: 150 - total flux cleaned = 0.000968612 Jy ! Component: 200 - total flux cleaned = 0.0011257 Jy ! Total flux subtracted in 200 components = 0.0011257 Jy ! Clean residual min=-0.001448 max=0.001224 Jy/beam ! Clean residual mean=0.000000 rms=0.000285 Jy/beam ! Combined flux in latest and established models = 0.333157 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 133 components and 0.333157 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=0.057057Jy sigma=1.258720 ! Fit after self-cal, rms=0.057056Jy sigma=1.258696 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 = 9.54372e-05 Jy ! Component: 100 - total flux cleaned = 0.000153085 Jy ! Component: 150 - total flux cleaned = 0.000235284 Jy ! Component: 200 - total flux cleaned = 0.000313891 Jy ! Total flux subtracted in 200 components = 0.000313891 Jy ! Clean residual min=-0.001419 max=0.001177 Jy/beam ! Clean residual mean=0.000000 rms=0.000277 Jy/beam ! Combined flux in latest and established models = 0.333471 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 136 components and 0.333471 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=0.057030Jy sigma=1.258154 ! Fit after self-cal, rms=0.057030Jy sigma=1.258138 ! 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=0.057030Jy sigma=1.258138 ! Fit after self-cal, rms=0.057016Jy sigma=1.258003 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.343 mas, bmaj=2.385 mas, bpa=-4.77 degrees ! Estimated noise=0.240435 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000772384 Jy ! Component: 100 - total flux cleaned = 0.000912122 Jy ! Component: 150 - total flux cleaned = 0.00102401 Jy ! Component: 200 - total flux cleaned = 0.00104864 Jy ! Total flux subtracted in 200 components = 0.00104864 Jy ! Clean residual min=-0.001491 max=0.001169 Jy/beam ! Clean residual mean=0.000001 rms=0.000339 Jy/beam ! Combined flux in latest and established models = 0.33452 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 162 components and 0.33452 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=0.057005Jy sigma=1.257783 ! Fit after self-cal, rms=0.057002Jy sigma=1.257731 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 = 0.000192385 Jy ! Component: 100 - total flux cleaned = 0.000193283 Jy ! Component: 150 - total flux cleaned = 0.000212483 Jy ! Component: 200 - total flux cleaned = 0.000194995 Jy ! Total flux subtracted in 200 components = 0.000194995 Jy ! Clean residual min=-0.001415 max=0.001151 Jy/beam ! Clean residual mean=0.000001 rms=0.000323 Jy/beam ! Combined flux in latest and established models = 0.334715 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 172 components and 0.334715 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=0.056997Jy sigma=1.257622 ! Fit after self-cal, rms=0.056996Jy sigma=1.257610 ! 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=1.004 mas, bmaj=1.014 mas, bpa=-24.76 degrees ! Estimated noise=0.176862 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.004 x 1.014 at -24.76 degrees (North through East) ! Clean map min=-0.0012415 max=0.15806 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=0.7824 mas, bmaj=0.7942 mas, bpa=-29.6 degrees ! Estimated noise=0.343109 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.123262 Jy ! Component: 100 - total flux cleaned = 0.172732 Jy ! Component: 150 - total flux cleaned = 0.204111 Jy ! Component: 200 - total flux cleaned = 0.2259 Jy ! Total flux subtracted in 200 components = 0.2259 Jy ! Clean residual min=-0.005784 max=0.012231 Jy/beam ! Clean residual mean=-0.000011 rms=0.001381 Jy/beam ! Combined flux in latest and established models = 0.2259 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 15 model components to the UV plane model. ! The established model now contains 15 components and 0.2259 Jy ! Inverting map and beam ! Estimated beam: bmin=1.004 mas, bmaj=1.014 mas, bpa=-24.76 degrees ! Estimated noise=0.176862 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 = 0.0247273 Jy ! Component: 100 - total flux cleaned = 0.0418222 Jy ! Component: 150 - total flux cleaned = 0.0545404 Jy ! Component: 200 - total flux cleaned = 0.0641731 Jy ! Total flux subtracted in 200 components = 0.0641731 Jy ! Clean residual min=-0.003157 max=0.005638 Jy/beam ! Clean residual mean=-0.000012 rms=0.000889 Jy/beam ! Combined flux in latest and established models = 0.290073 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 49 components and 0.290073 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0074343 Jy ! Component: 100 - total flux cleaned = 0.0132849 Jy ! Component: 150 - total flux cleaned = 0.0180866 Jy ! Component: 200 - total flux cleaned = 0.0220724 Jy ! Total flux subtracted in 200 components = 0.0220724 Jy ! Clean residual min=-0.001890 max=0.002656 Jy/beam ! Clean residual mean=-0.000006 rms=0.000481 Jy/beam ! Combined flux in latest and established models = 0.312146 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 76 components and 0.312146 Jy ! Inverting map ! Added new window around map position (-8.4, 3.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00336623 Jy ! Component: 100 - total flux cleaned = 0.00617333 Jy ! Component: 150 - total flux cleaned = 0.00853084 Jy ! Component: 200 - total flux cleaned = 0.0105144 Jy ! Total flux subtracted in 200 components = 0.0105144 Jy ! Clean residual min=-0.001488 max=0.001373 Jy/beam ! Clean residual mean=-0.000003 rms=0.000328 Jy/beam ! Combined flux in latest and established models = 0.32266 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 95 components and 0.32266 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=2.343 mas, bmaj=2.385 mas, bpa=-4.77 degrees ! Estimated noise=0.240435 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00331024 Jy ! Component: 100 - total flux cleaned = 0.00549126 Jy ! Component: 150 - total flux cleaned = 0.00706088 Jy ! Component: 200 - total flux cleaned = 0.008283 Jy ! Total flux subtracted in 200 components = 0.008283 Jy ! Clean residual min=-0.001434 max=0.001324 Jy/beam ! Clean residual mean=-0.000002 rms=0.000363 Jy/beam ! Combined flux in latest and established models = 0.330943 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 = 0.000680841 Jy ! Component: 100 - total flux cleaned = 0.00111826 Jy ! Component: 150 - total flux cleaned = 0.00152042 Jy ! Component: 200 - total flux cleaned = 0.00184008 Jy ! Total flux subtracted in 200 components = 0.00184008 Jy ! Clean residual min=-0.001332 max=0.001195 Jy/beam ! Clean residual mean=-0.000001 rms=0.000324 Jy/beam ! Combined flux in latest and established models = 0.332783 Jy ! Adding 87 model components to the UV plane model. ! The established model now contains 160 components and 0.332783 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.004 mas, bmaj=1.014 mas, bpa=-24.76 degrees ! Estimated noise=0.176862 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000296695 Jy ! Component: 100 - total flux cleaned = 0.000482015 Jy ! Component: 150 - total flux cleaned = 0.000597825 Jy ! Component: 200 - total flux cleaned = 0.000681751 Jy ! Total flux subtracted in 200 components = 0.000681751 Jy ! Clean residual min=-0.001224 max=0.001083 Jy/beam ! Clean residual mean=-0.000000 rms=0.000246 Jy/beam ! Combined flux in latest and established models = 0.333465 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 179 components and 0.333465 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=0.056935Jy sigma=1.256245 ! Fit after self-cal, rms=0.056924Jy sigma=1.256090 wmodel J1935+8130_X_map.mod ! Writing 179 model components to file: J1935+8130_X_map.mod wobs J1935+8130_X_uvs.fits ! Writing UV FITS file: J1935+8130_X_uvs.fits wwins J1935+8130_X_map.win ! wwins: Wrote 10 windows to J1935+8130_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 = -0.000275339 Jy ! Component: 100 - total flux cleaned = -0.000348894 Jy ! Component: 150 - total flux cleaned = -0.000365994 Jy ! Component: 200 - total flux cleaned = -0.000416033 Jy ! Component: 250 - total flux cleaned = -0.000399863 Jy ! Component: 300 - total flux cleaned = -0.000367873 Jy ! Component: 350 - total flux cleaned = -0.000305661 Jy ! Component: 400 - total flux cleaned = -0.000305718 Jy ! Component: 450 - total flux cleaned = -0.00026042 Jy ! Component: 500 - total flux cleaned = -0.000260226 Jy ! Component: 550 - total flux cleaned = -0.000216116 Jy ! Component: 600 - total flux cleaned = -0.000274078 Jy ! Component: 650 - total flux cleaned = -0.000273806 Jy ! Component: 700 - total flux cleaned = -0.000245546 Jy ! Component: 750 - total flux cleaned = -0.000287655 Jy ! Component: 800 - total flux cleaned = -0.000260182 Jy ! Component: 850 - total flux cleaned = -0.000301344 Jy ! Component: 900 - total flux cleaned = -0.000314937 Jy ! Component: 950 - total flux cleaned = -0.000328213 Jy ! Component: 1000 - total flux cleaned = -0.000367915 Jy ! Component: 1050 - total flux cleaned = -0.000380905 Jy ! Component: 1100 - total flux cleaned = -0.000367799 Jy ! Component: 1150 - total flux cleaned = -0.000393485 Jy ! Component: 1200 - total flux cleaned = -0.000418956 Jy ! Component: 1250 - total flux cleaned = -0.000469647 Jy ! Component: 1300 - total flux cleaned = -0.00048212 Jy ! Component: 1350 - total flux cleaned = -0.000506754 Jy ! Component: 1400 - total flux cleaned = -0.000506843 Jy ! Component: 1450 - total flux cleaned = -0.00053146 Jy ! Component: 1500 - total flux cleaned = -0.000568005 Jy ! Component: 1550 - total flux cleaned = -0.000652568 Jy ! Component: 1600 - total flux cleaned = -0.000652605 Jy ! Component: 1650 - total flux cleaned = -0.000640708 Jy ! Component: 1700 - total flux cleaned = -0.000676096 Jy ! Component: 1750 - total flux cleaned = -0.000699537 Jy ! Component: 1800 - total flux cleaned = -0.000722826 Jy ! Component: 1850 - total flux cleaned = -0.000757454 Jy ! Component: 1900 - total flux cleaned = -0.000723066 Jy ! Component: 1950 - total flux cleaned = -0.000757418 Jy ! Component: 2000 - total flux cleaned = -0.000791292 Jy ! Component: 2050 - total flux cleaned = -0.000779974 Jy ! Component: 2100 - total flux cleaned = -0.00079126 Jy ! Component: 2150 - total flux cleaned = -0.00079118 Jy ! Component: 2200 - total flux cleaned = -0.000835363 Jy ! Component: 2250 - total flux cleaned = -0.000824332 Jy ! Component: 2300 - total flux cleaned = -0.000846035 Jy ! Component: 2350 - total flux cleaned = -0.000889271 Jy ! Component: 2400 - total flux cleaned = -0.000867739 Jy ! Component: 2450 - total flux cleaned = -0.000910463 Jy ! Component: 2500 - total flux cleaned = -0.000931694 Jy ! Component: 2550 - total flux cleaned = -0.000931678 Jy ! Component: 2600 - total flux cleaned = -0.000931751 Jy ! Component: 2650 - total flux cleaned = -0.000994441 Jy ! Component: 2700 - total flux cleaned = -0.000994463 Jy ! Component: 2750 - total flux cleaned = -0.0009739 Jy ! Component: 2800 - total flux cleaned = -0.000973881 Jy ! Component: 2850 - total flux cleaned = -0.00100449 Jy ! Component: 2900 - total flux cleaned = -0.00106523 Jy ! Component: 2950 - total flux cleaned = -0.00109541 Jy ! Component: 3000 - total flux cleaned = -0.00111532 Jy ! Component: 3050 - total flux cleaned = -0.00107549 Jy ! Component: 3100 - total flux cleaned = -0.00107549 Jy ! Component: 3150 - total flux cleaned = -0.00112488 Jy ! Component: 3200 - total flux cleaned = -0.00112488 Jy ! Component: 3250 - total flux cleaned = -0.00118348 Jy ! Component: 3300 - total flux cleaned = -0.00119323 Jy ! Component: 3350 - total flux cleaned = -0.00121257 Jy ! Component: 3400 - total flux cleaned = -0.00123172 Jy ! Component: 3450 - total flux cleaned = -0.00123165 Jy ! Component: 3500 - total flux cleaned = -0.00125079 Jy ! Component: 3550 - total flux cleaned = -0.00127922 Jy ! Component: 3600 - total flux cleaned = -0.00126975 Jy ! Component: 3650 - total flux cleaned = -0.00134486 Jy ! Component: 3700 - total flux cleaned = -0.0013729 Jy ! Component: 3750 - total flux cleaned = -0.00137294 Jy ! Component: 3800 - total flux cleaned = -0.00140067 Jy ! Component: 3850 - total flux cleaned = -0.00139143 Jy ! Component: 3900 - total flux cleaned = -0.00138221 Jy ! Component: 3950 - total flux cleaned = -0.00145535 Jy ! Component: 4000 - total flux cleaned = -0.00148273 Jy ! Component: 4050 - total flux cleaned = -0.0014826 Jy ! Total flux subtracted in 4096 components = -0.0015277 Jy ! Clean residual min=-0.000558 max=0.000541 Jy/beam ! Clean residual mean=0.000000 rms=0.000153 Jy/beam ! Combined flux in latest and established models = 0.331937 Jy keep ! Adding 351 model components to the UV plane model. ! The established model now contains 530 components and 0.331937 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1935+8130_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.004 x 1.014 at -24.76 degrees (North through East) ! Clean map min=-0.00076675 max=0.15834 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1935+8130_X_map.fits wmodel /vlbi/uf001/uva//J1935+8130_X_map.mod ! Writing 530 model components to file: /vlbi/uf001/uva//J1935+8130_X_map.mod wobs /vlbi/uf001/uva//J1935+8130_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1935+8130_X_uvs.fits wwins /vlbi/uf001/uva//J1935+8130_X_map.win ! wwins: Wrote 11 windows to /vlbi/uf001/uva//J1935+8130_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.158335 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000152812 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.289536 0.289536 0.579071 1.15814 2.31628 4.63257 9.26514 18.5303 37.0606 74.1211 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.158 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1036.14 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1935+8130_X_dfm.log closed on Mon Jan 14 05:09:01 2019