! Started logfile: /vlbi/uf001/uva//J1938+0942_X_dfm.log on Mon Jan 14 05:10:42 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//J1938+0942_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1938+0942_X_uva.fits ! AN table 1: 110 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.933737 visibilities/baseline/integration-bin. ! Found source: J1938+0942 ! ! 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 55464 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 J1938+0942_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 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.003150Jy sigma=23.281525 ! Fit after self-cal, rms=0.959842Jy sigma=22.254042 ! 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=0.7039 mas, bmaj=1.708 mas, bpa=-5.562 degrees ! Estimated noise=0.297237 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 = 0.0300297 Jy ! Component: 100 - total flux cleaned = 0.0390109 Jy ! Total flux subtracted in 100 components = 0.0390109 Jy ! Clean residual min=-0.004170 max=0.008267 Jy/beam ! Clean residual mean=0.000013 rms=0.001040 Jy/beam ! Combined flux in latest and established models = 0.0390109 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 16 components and 0.0390109 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=0.067767Jy sigma=1.458032 ! Fit after self-cal, rms=0.065982Jy sigma=1.413826 ! Inverting map ! Added new window around map position (6, -1.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00932901 Jy ! Component: 100 - total flux cleaned = 0.014831 Jy ! Total flux subtracted in 100 components = 0.014831 Jy ! Clean residual min=-0.003883 max=0.005996 Jy/beam ! Clean residual mean=0.000012 rms=0.000973 Jy/beam ! Combined flux in latest and established models = 0.0538419 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 26 components and 0.0538419 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=0.064240Jy sigma=1.368095 ! Fit after self-cal, rms=0.063988Jy sigma=1.362786 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00566547 Jy ! Component: 100 - total flux cleaned = 0.00917382 Jy ! Total flux subtracted in 100 components = 0.00917382 Jy ! Clean residual min=-0.003637 max=0.006108 Jy/beam ! Clean residual mean=0.000011 rms=0.000918 Jy/beam ! Combined flux in latest and established models = 0.0630157 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 36 components and 0.0630157 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=0.063239Jy sigma=1.343795 ! Fit after self-cal, rms=0.063096Jy sigma=1.341123 ! Inverting map ! Added new window around map position (19, -5.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00613514 Jy ! Component: 100 - total flux cleaned = 0.00981445 Jy ! Total flux subtracted in 100 components = 0.00981445 Jy ! Clean residual min=-0.003176 max=0.004966 Jy/beam ! Clean residual mean=0.000010 rms=0.000834 Jy/beam ! Combined flux in latest and established models = 0.0728301 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 54 components and 0.0728301 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=0.062298Jy sigma=1.321557 ! Fit after self-cal, rms=0.062171Jy sigma=1.318011 ! Inverting map ! Added new window around map position (7.4, -1.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00496881 Jy ! Component: 100 - total flux cleaned = 0.00843821 Jy ! Total flux subtracted in 100 components = 0.00843821 Jy ! Clean residual min=-0.003127 max=0.004122 Jy/beam ! Clean residual mean=0.000009 rms=0.000770 Jy/beam ! Combined flux in latest and established models = 0.0812683 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 62 components and 0.0812683 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=0.061629Jy sigma=1.304386 ! Fit after self-cal, rms=0.061545Jy sigma=1.302095 ! 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=0.9015 mas, bmaj=2.027 mas, bpa=-5.498 degrees ! Estimated noise=0.133355 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 = 0.00555858 Jy ! Component: 100 - total flux cleaned = 0.00971176 Jy ! Component: 150 - total flux cleaned = 0.0130382 Jy ! Component: 200 - total flux cleaned = 0.0158338 Jy ! Total flux subtracted in 200 components = 0.0158338 Jy ! Clean residual min=-0.003592 max=0.005043 Jy/beam ! Clean residual mean=0.000012 rms=0.000967 Jy/beam ! Combined flux in latest and established models = 0.0971021 Jy ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 97 components and 0.0971021 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=0.060817Jy sigma=1.284033 ! Fit after self-cal, rms=0.060696Jy sigma=1.280775 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9015 x 2.027 at -5.498 degrees (North through East) ! Clean map min=-0.0037106 max=0.041548 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.21 FD 0.92 HN 1.12 KP 0.92 ! LA 0.88 MK 1.12 NL 1.12 OV 1.04 ! PT 0.80 SC 1.07 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.20 FD 0.96 HN 1.12 KP 0.98 ! LA 0.91 MK 1.10 NL 1.11 OV 0.96 ! PT 0.80 SC 1.02 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.22 FD 0.94 HN 1.09 KP 0.96 ! LA 0.86 MK 1.06 NL 1.09 OV 1.02 ! PT 0.79 SC 1.04 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.19 FD 0.95 HN 1.07 KP 0.99 ! LA 0.82 MK 1.06 NL 1.07 OV 1.01 ! PT 0.80 SC 0.93 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.19 FD 0.95 HN 1.15 KP 0.96 ! LA 0.89 MK 1.02 NL 1.14 OV 0.98 ! PT 0.74 SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 0.92 HN 1.16 KP 0.97 ! LA 0.87 MK 0.98 NL 1.08 OV 1.06 ! PT 0.80 SC 0.93 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.98 HN 1.04 KP 0.97 ! LA 0.89 MK 0.98 NL 1.12 OV 1.00 ! PT 0.78 SC 0.95 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.97 HN 1.13 KP 0.93 ! LA 0.84 MK 0.95 NL 1.10 OV 0.99 ! PT 0.85 SC 1.02 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.97 HN 1.13 KP 0.97 ! LA 0.89 MK 1.00 NL 1.10 OV 1.01 ! PT 0.80 SC 0.93 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.98 HN 1.04 KP 0.97 ! LA 0.92 MK 1.02 NL 1.13 OV 0.98 ! PT 0.84 SC 0.90 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 0.95 HN 1.04 KP 0.96 ! LA 0.90 MK 0.98 NL 1.10 OV 0.95 ! PT 0.80 SC 0.87 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.91 HN 1.15 KP 0.95 ! LA 0.85 MK 1.08 NL 1.13 OV 1.07 ! PT 0.81 SC 0.93 ! ! ! Fit before self-cal, rms=0.060696Jy sigma=1.280775 ! Fit after self-cal, rms=0.058509Jy sigma=1.265396 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9171 mas, bmaj=2.078 mas, bpa=-4.688 degrees ! Estimated noise=0.129553 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 (20.4, -4.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00330389 Jy ! Component: 100 - total flux cleaned = 0.00472123 Jy ! Component: 150 - total flux cleaned = 0.00597119 Jy ! Component: 200 - total flux cleaned = 0.00663082 Jy ! Total flux subtracted in 200 components = 0.00663082 Jy ! Clean residual min=-0.002484 max=0.003109 Jy/beam ! Clean residual mean=-0.000014 rms=0.000697 Jy/beam ! Combined flux in latest and established models = 0.103733 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 125 components and 0.103733 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=0.058253Jy sigma=1.256927 ! Fit after self-cal, rms=0.058284Jy sigma=1.254189 ! 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=0.058284Jy sigma=1.254189 ! Fit after self-cal, rms=0.060880Jy sigma=1.243899 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9149 mas, bmaj=2.07 mas, bpa=-4.24 degrees ! Estimated noise=0.130165 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00174979 Jy ! Component: 100 - total flux cleaned = 0.00282184 Jy ! Component: 150 - total flux cleaned = 0.00352312 Jy ! Component: 200 - total flux cleaned = 0.00392911 Jy ! Total flux subtracted in 200 components = 0.00392911 Jy ! Clean residual min=-0.001727 max=0.002134 Jy/beam ! Clean residual mean=-0.000003 rms=0.000517 Jy/beam ! Combined flux in latest and established models = 0.107662 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 137 components and 0.107662 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=0.060774Jy sigma=1.240128 ! Fit after self-cal, rms=0.060905Jy sigma=1.238664 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 = 0.000652097 Jy ! Component: 100 - total flux cleaned = 0.0012664 Jy ! Component: 150 - total flux cleaned = 0.00166597 Jy ! Component: 200 - total flux cleaned = 0.00187505 Jy ! Total flux subtracted in 200 components = 0.00187505 Jy ! Clean residual min=-0.001655 max=0.001990 Jy/beam ! Clean residual mean=-0.000004 rms=0.000500 Jy/beam ! Combined flux in latest and established models = 0.109537 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 143 components and 0.109537 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=0.060851Jy sigma=1.236831 ! Fit after self-cal, rms=0.060838Jy sigma=1.236468 ! 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=0.060838Jy sigma=1.236468 ! Fit after self-cal, rms=0.061023Jy sigma=1.235536 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9153 mas, bmaj=2.069 mas, bpa=-4.089 degrees ! Estimated noise=0.128802 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000263589 Jy ! Component: 100 - total flux cleaned = 0.000842029 Jy ! Component: 150 - total flux cleaned = 0.00132674 Jy ! Component: 200 - total flux cleaned = 0.00153687 Jy ! Total flux subtracted in 200 components = 0.00153687 Jy ! Clean residual min=-0.001515 max=0.001873 Jy/beam ! Clean residual mean=-0.000001 rms=0.000455 Jy/beam ! Combined flux in latest and established models = 0.111074 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 147 components and 0.111074 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=0.060983Jy sigma=1.234058 ! Fit after self-cal, rms=0.061002Jy sigma=1.233769 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 = 0.000300157 Jy ! Component: 100 - total flux cleaned = 0.000704794 Jy ! Component: 150 - total flux cleaned = 0.000894113 Jy ! Component: 200 - total flux cleaned = 0.00103729 Jy ! Total flux subtracted in 200 components = 0.00103729 Jy ! Clean residual min=-0.001519 max=0.001865 Jy/beam ! Clean residual mean=-0.000002 rms=0.000443 Jy/beam ! Combined flux in latest and established models = 0.112111 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 150 components and 0.112111 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=0.060979Jy sigma=1.232932 ! Fit after self-cal, rms=0.060974Jy sigma=1.232801 ! 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=0.060974Jy sigma=1.232801 ! Fit after self-cal, rms=0.060772Jy sigma=1.232635 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.331 mas, bmaj=3.171 mas, bpa=-3.608 degrees ! Estimated noise=0.155638 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000499616 Jy ! Component: 100 - total flux cleaned = 0.000942704 Jy ! Component: 150 - total flux cleaned = 0.00107898 Jy ! Component: 200 - total flux cleaned = 0.00122564 Jy ! Total flux subtracted in 200 components = 0.00122564 Jy ! Clean residual min=-0.002244 max=0.002900 Jy/beam ! Clean residual mean=-0.000003 rms=0.000729 Jy/beam ! Combined flux in latest and established models = 0.113337 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 158 components and 0.113337 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=0.060768Jy sigma=1.231921 ! Fit after self-cal, rms=0.060762Jy sigma=1.231693 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 = 0.000184947 Jy ! Component: 100 - total flux cleaned = 0.000392701 Jy ! Component: 150 - total flux cleaned = 0.000468576 Jy ! Component: 200 - total flux cleaned = 0.000514032 Jy ! Total flux subtracted in 200 components = 0.000514032 Jy ! Clean residual min=-0.002175 max=0.002858 Jy/beam ! Clean residual mean=-0.000004 rms=0.000710 Jy/beam ! Combined flux in latest and established models = 0.113851 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 165 components and 0.113851 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=0.060764Jy sigma=1.231479 ! Fit after self-cal, rms=0.060757Jy sigma=1.231385 ! 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=0.9172 mas, bmaj=2.068 mas, bpa=-3.957 degrees ! Estimated noise=0.127999 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9172 x 2.068 at -3.957 degrees (North through East) ! Clean map min=-0.0013694 max=0.037793 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=0.7101 mas, bmaj=1.721 mas, bpa=-3.689 degrees ! Estimated noise=0.292491 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0317582 Jy ! Component: 100 - total flux cleaned = 0.0462947 Jy ! Component: 150 - total flux cleaned = 0.056034 Jy ! Component: 200 - total flux cleaned = 0.0638656 Jy ! Total flux subtracted in 200 components = 0.0638656 Jy ! Clean residual min=-0.003106 max=0.004900 Jy/beam ! Clean residual mean=0.000010 rms=0.000867 Jy/beam ! Combined flux in latest and established models = 0.0638656 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 25 model components to the UV plane model. ! The established model now contains 25 components and 0.0638656 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9172 mas, bmaj=2.068 mas, bpa=-3.957 degrees ! Estimated noise=0.127999 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 = 0.0091324 Jy ! Component: 100 - total flux cleaned = 0.016078 Jy ! Component: 150 - total flux cleaned = 0.0216816 Jy ! Component: 200 - total flux cleaned = 0.0262598 Jy ! Total flux subtracted in 200 components = 0.0262598 Jy ! Clean residual min=-0.002080 max=0.003110 Jy/beam ! Clean residual mean=0.000012 rms=0.000701 Jy/beam ! Combined flux in latest and established models = 0.0901254 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 70 components and 0.0901254 Jy ! Inverting map ! Added new window around map position (16.4, -5.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00385805 Jy ! Component: 100 - total flux cleaned = 0.00708455 Jy ! Component: 150 - total flux cleaned = 0.00983702 Jy ! Component: 200 - total flux cleaned = 0.0122085 Jy ! Total flux subtracted in 200 components = 0.0122085 Jy ! Clean residual min=-0.001575 max=0.002419 Jy/beam ! Clean residual mean=0.000005 rms=0.000499 Jy/beam ! Combined flux in latest and established models = 0.102334 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 109 components and 0.102334 Jy ! Inverting map ! Added new window around map position (1.6, -1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00241848 Jy ! Component: 100 - total flux cleaned = 0.00431972 Jy ! Component: 150 - total flux cleaned = 0.00598491 Jy ! Component: 200 - total flux cleaned = 0.00745273 Jy ! Total flux subtracted in 200 components = 0.00745273 Jy ! Clean residual min=-0.001367 max=0.001452 Jy/beam ! Clean residual mean=0.000001 rms=0.000396 Jy/beam ! Combined flux in latest and established models = 0.109787 Jy ! Adding 54 model components to the UV plane model. ! The established model now contains 147 components and 0.109787 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=2.331 mas, bmaj=3.171 mas, bpa=-3.608 degrees ! Estimated noise=0.155638 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00230569 Jy ! Component: 100 - total flux cleaned = 0.00377745 Jy ! Component: 150 - total flux cleaned = 0.00479588 Jy ! Component: 200 - total flux cleaned = 0.00559771 Jy ! Total flux subtracted in 200 components = 0.00559771 Jy ! Clean residual min=-0.001810 max=0.001863 Jy/beam ! Clean residual mean=-0.000005 rms=0.000558 Jy/beam ! Combined flux in latest and established models = 0.115384 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 = 0.000525512 Jy ! Component: 100 - total flux cleaned = 0.000949786 Jy ! Component: 150 - total flux cleaned = 0.00132499 Jy ! Component: 200 - total flux cleaned = 0.00165777 Jy ! Total flux subtracted in 200 components = 0.00165777 Jy ! Clean residual min=-0.001784 max=0.001720 Jy/beam ! Clean residual mean=-0.000007 rms=0.000516 Jy/beam ! Combined flux in latest and established models = 0.117042 Jy ! Adding 78 model components to the UV plane model. ! The established model now contains 204 components and 0.117042 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9172 mas, bmaj=2.068 mas, bpa=-3.957 degrees ! Estimated noise=0.127999 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000623586 Jy ! Component: 100 - total flux cleaned = 0.000983012 Jy ! Component: 150 - total flux cleaned = 0.00117917 Jy ! Component: 200 - total flux cleaned = 0.00135761 Jy ! Total flux subtracted in 200 components = 0.00135761 Jy ! Clean residual min=-0.001299 max=0.001121 Jy/beam ! Clean residual mean=-0.000004 rms=0.000300 Jy/beam ! Combined flux in latest and established models = 0.1184 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 227 components and 0.1184 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=0.060636Jy sigma=1.227097 ! Fit after self-cal, rms=0.060602Jy sigma=1.226128 wmodel J1938+0942_X_map.mod ! Writing 227 model components to file: J1938+0942_X_map.mod wobs J1938+0942_X_uvs.fits ! Writing UV FITS file: J1938+0942_X_uvs.fits wwins J1938+0942_X_map.win ! wwins: Wrote 7 windows to J1938+0942_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 = -0.000110847 Jy ! Component: 100 - total flux cleaned = 0.000152605 Jy ! Component: 150 - total flux cleaned = 0.000267577 Jy ! Component: 200 - total flux cleaned = 0.000285002 Jy ! Component: 250 - total flux cleaned = 0.000389868 Jy ! Component: 300 - total flux cleaned = 0.000491981 Jy ! Component: 350 - total flux cleaned = 0.000525319 Jy ! Component: 400 - total flux cleaned = 0.000590308 Jy ! Component: 450 - total flux cleaned = 0.000622251 Jy ! Component: 500 - total flux cleaned = 0.000684144 Jy ! Component: 550 - total flux cleaned = 0.000804988 Jy ! Component: 600 - total flux cleaned = 0.000804451 Jy ! Component: 650 - total flux cleaned = 0.000790387 Jy ! Component: 700 - total flux cleaned = 0.000833233 Jy ! Component: 750 - total flux cleaned = 0.000749169 Jy ! Component: 800 - total flux cleaned = 0.000776748 Jy ! Component: 850 - total flux cleaned = 0.000722691 Jy ! Component: 900 - total flux cleaned = 0.000696001 Jy ! Component: 950 - total flux cleaned = 0.000669953 Jy ! Component: 1000 - total flux cleaned = 0.000643905 Jy ! Component: 1050 - total flux cleaned = 0.000592865 Jy ! Component: 1100 - total flux cleaned = 0.000617807 Jy ! Component: 1150 - total flux cleaned = 0.000555587 Jy ! Component: 1200 - total flux cleaned = 0.000506621 Jy ! Component: 1250 - total flux cleaned = 0.00050677 Jy ! Component: 1300 - total flux cleaned = 0.000506794 Jy ! Component: 1350 - total flux cleaned = 0.000495118 Jy ! Component: 1400 - total flux cleaned = 0.000541367 Jy ! Component: 1450 - total flux cleaned = 0.000484371 Jy ! Component: 1500 - total flux cleaned = 0.000529354 Jy ! Component: 1550 - total flux cleaned = 0.000518168 Jy ! Component: 1600 - total flux cleaned = 0.000518296 Jy ! Component: 1650 - total flux cleaned = 0.000518199 Jy ! Component: 1700 - total flux cleaned = 0.000507462 Jy ! Component: 1750 - total flux cleaned = 0.00049672 Jy ! Component: 1800 - total flux cleaned = 0.000475742 Jy ! Component: 1850 - total flux cleaned = 0.000486311 Jy ! Component: 1900 - total flux cleaned = 0.000496405 Jy ! Component: 1950 - total flux cleaned = 0.000465851 Jy ! Component: 2000 - total flux cleaned = 0.000455843 Jy ! Component: 2050 - total flux cleaned = 0.000485621 Jy ! Component: 2100 - total flux cleaned = 0.000485707 Jy ! Component: 2150 - total flux cleaned = 0.000495343 Jy ! Component: 2200 - total flux cleaned = 0.000485649 Jy ! Component: 2250 - total flux cleaned = 0.000504777 Jy ! Component: 2300 - total flux cleaned = 0.000467161 Jy ! Component: 2350 - total flux cleaned = 0.000485891 Jy ! Component: 2400 - total flux cleaned = 0.000495065 Jy ! Component: 2450 - total flux cleaned = 0.000495205 Jy ! Component: 2500 - total flux cleaned = 0.000458977 Jy ! Component: 2550 - total flux cleaned = 0.000495123 Jy ! Component: 2600 - total flux cleaned = 0.000495192 Jy ! Component: 2650 - total flux cleaned = 0.000539449 Jy ! Component: 2700 - total flux cleaned = 0.000556825 Jy ! Component: 2750 - total flux cleaned = 0.000574104 Jy ! Component: 2800 - total flux cleaned = 0.000616895 Jy ! Component: 2850 - total flux cleaned = 0.000591342 Jy ! Component: 2900 - total flux cleaned = 0.000625106 Jy ! Component: 2950 - total flux cleaned = 0.00064188 Jy ! Component: 3000 - total flux cleaned = 0.000658404 Jy ! Component: 3050 - total flux cleaned = 0.000658415 Jy ! Component: 3100 - total flux cleaned = 0.000699157 Jy ! Component: 3150 - total flux cleaned = 0.000715252 Jy ! Component: 3200 - total flux cleaned = 0.000747372 Jy ! Component: 3250 - total flux cleaned = 0.000747374 Jy ! Component: 3300 - total flux cleaned = 0.000786783 Jy ! Component: 3350 - total flux cleaned = 0.000794579 Jy ! Component: 3400 - total flux cleaned = 0.000802324 Jy ! Component: 3450 - total flux cleaned = 0.000825413 Jy ! Component: 3500 - total flux cleaned = 0.000840712 Jy ! Component: 3550 - total flux cleaned = 0.00080271 Jy ! Component: 3600 - total flux cleaned = 0.000870774 Jy ! Component: 3650 - total flux cleaned = 0.000900694 Jy ! Component: 3700 - total flux cleaned = 0.000908157 Jy ! Component: 3750 - total flux cleaned = 0.000863738 Jy ! Component: 3800 - total flux cleaned = 0.000907838 Jy ! Component: 3850 - total flux cleaned = 0.000915107 Jy ! Component: 3900 - total flux cleaned = 0.000900588 Jy ! Component: 3950 - total flux cleaned = 0.000914998 Jy ! Component: 4000 - total flux cleaned = 0.000907867 Jy ! Component: 4050 - total flux cleaned = 0.000915006 Jy ! Total flux subtracted in 4096 components = 0.00093623 Jy ! Clean residual min=-0.000457 max=0.000458 Jy/beam ! Clean residual mean=-0.000002 rms=0.000130 Jy/beam ! Combined flux in latest and established models = 0.119336 Jy keep ! Adding 379 model components to the UV plane model. ! The established model now contains 606 components and 0.119336 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1938+0942_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9172 x 2.068 at -3.957 degrees (North through East) ! Clean map min=-0.00086126 max=0.038213 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1938+0942_X_map.fits wmodel /vlbi/uf001/uva//J1938+0942_X_map.mod ! Writing 606 model components to file: /vlbi/uf001/uva//J1938+0942_X_map.mod wobs /vlbi/uf001/uva//J1938+0942_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1938+0942_X_uvs.fits wwins /vlbi/uf001/uva//J1938+0942_X_map.win ! wwins: Wrote 8 windows to /vlbi/uf001/uva//J1938+0942_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0382128 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000130246 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.02253 1.02253 2.04506 4.09011 8.18023 16.3605 32.7209 65.4418 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.038 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 293.39 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1938+0942_X_dfm.log closed on Mon Jan 14 05:10:50 2019