! Started logfile: /image_prod/ug002_uva//J1936+3642_X_dfm.log on Thu Mar 5 04:17:34 2020 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 /image_prod/ug002_uva//J1936+3642_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1936+3642_X_uva.fits ! AN table 1: 60 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.83631 visibilities/baseline/integration-bin. ! Found source: J1936+3642 ! ! 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 108 lines of history. ! ! Reading 16860 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 J1936+3642_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 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.003045Jy sigma=9.527180 ! Fit after self-cal, rms=0.952821Jy sigma=9.027893 ! 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=0.8311 mas, bmaj=1.1 mas, bpa=-18.04 degrees ! Estimated noise=1.23181 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 = 0.0368527 Jy ! Component: 100 - total flux cleaned = 0.0456265 Jy ! Total flux subtracted in 100 components = 0.0456265 Jy ! Clean residual min=-0.005290 max=0.014604 Jy/beam ! Clean residual mean=0.000000 rms=0.001367 Jy/beam ! Combined flux in latest and established models = 0.0456265 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.0456265 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=0.060457Jy sigma=0.544985 ! Fit after self-cal, rms=0.058789Jy sigma=0.530670 ! Inverting map ! Added new window around map position (-1.8, -0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0137518 Jy ! Component: 100 - total flux cleaned = 0.0201174 Jy ! Total flux subtracted in 100 components = 0.0201174 Jy ! Clean residual min=-0.003968 max=0.005403 Jy/beam ! Clean residual mean=0.000001 rms=0.000994 Jy/beam ! Combined flux in latest and established models = 0.0657439 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 18 components and 0.0657439 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=0.054972Jy sigma=0.488651 ! Fit after self-cal, rms=0.054067Jy sigma=0.481322 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00723531 Jy ! Component: 100 - total flux cleaned = 0.0111412 Jy ! Total flux subtracted in 100 components = 0.0111412 Jy ! Clean residual min=-0.003401 max=0.004540 Jy/beam ! Clean residual mean=0.000001 rms=0.000839 Jy/beam ! Combined flux in latest and established models = 0.0768851 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 27 components and 0.0768851 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=0.052841Jy sigma=0.467256 ! Fit after self-cal, rms=0.052642Jy sigma=0.465867 ! 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=1.067 mas, bmaj=1.362 mas, bpa=-12.58 degrees ! Estimated noise=0.584678 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 = 0.00560867 Jy ! Component: 100 - total flux cleaned = 0.00875153 Jy ! Component: 150 - total flux cleaned = 0.0109662 Jy ! Component: 200 - total flux cleaned = 0.012568 Jy ! Total flux subtracted in 200 components = 0.012568 Jy ! Clean residual min=-0.003150 max=0.005759 Jy/beam ! Clean residual mean=0.000002 rms=0.000748 Jy/beam ! Combined flux in latest and established models = 0.089453 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 43 components and 0.089453 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=0.052046Jy sigma=0.458828 ! Fit after self-cal, rms=0.051956Jy sigma=0.458107 ! Inverting map ! Added new window around map position (-3.6, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00473189 Jy ! Component: 100 - total flux cleaned = 0.00593779 Jy ! Component: 150 - total flux cleaned = 0.00702807 Jy ! Component: 200 - total flux cleaned = 0.00808623 Jy ! Total flux subtracted in 200 components = 0.00808623 Jy ! Clean residual min=-0.002696 max=0.002448 Jy/beam ! Clean residual mean=0.000002 rms=0.000598 Jy/beam ! Combined flux in latest and established models = 0.0975393 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 57 components and 0.0975392 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=0.051506Jy sigma=0.453677 ! Fit after self-cal, rms=0.051401Jy sigma=0.452887 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.067 x 1.362 at -12.58 degrees (North through East) ! Clean map min=-0.0025812 max=0.051327 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.97 HN 0.95 KP 1.04 ! MK 1.07 NL 1.08 OV 0.97 SC 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.96 HN 0.99 KP 1.01 ! MK 1.11 NL 1.16 OV 0.94 SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.93 HN 0.96 KP 1.00 ! MK 1.07 NL 1.11 OV 0.94 SC 0.90 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.96 HN 0.99 KP 1.01 ! MK 1.06 NL 1.05 OV 1.02 SC 1.08 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.00 HN 0.98 KP 1.01 ! MK 1.09 NL 1.12 OV 0.95 SC 1.04 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.98 HN 1.07 KP 1.02 ! MK 1.12 NL 1.10 OV 0.99 SC 0.91 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.94 HN 0.98 KP 1.04 ! MK 0.98 NL 1.10 OV 0.96 SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 0.96 HN 1.03 KP 1.09 ! MK 1.10 NL 1.03 OV 1.01 SC 0.91 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.02 HN 0.96 KP 0.97 ! MK 1.08 NL 1.22 OV 0.96 SC 0.96 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.96 HN 1.00 KP 1.00 ! MK 1.04 NL 1.18 OV 0.95 SC 0.90 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.95 HN 1.03 KP 1.02 ! MK 1.03 NL 1.08 OV 0.99 SC 0.87 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.94 HN 0.95 KP 1.07 ! MK 1.05 NL 1.08 OV 0.91 SC 0.86 ! ! ! Fit before self-cal, rms=0.051401Jy sigma=0.452887 ! Fit after self-cal, rms=0.049931Jy sigma=0.450413 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.076 mas, bmaj=1.352 mas, bpa=-9.528 degrees ! Estimated noise=0.580461 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 = 0.0016766 Jy ! Component: 100 - total flux cleaned = 0.00268508 Jy ! Component: 150 - total flux cleaned = 0.0030028 Jy ! Component: 200 - total flux cleaned = 0.00308959 Jy ! Total flux subtracted in 200 components = 0.00308959 Jy ! Clean residual min=-0.001838 max=0.002003 Jy/beam ! Clean residual mean=0.000003 rms=0.000490 Jy/beam ! Combined flux in latest and established models = 0.100629 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 66 components and 0.100629 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=0.049859Jy sigma=0.449675 ! Fit after self-cal, rms=0.049847Jy sigma=0.449422 ! 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=0.049847Jy sigma=0.449422 ! Fit after self-cal, rms=0.050865Jy sigma=0.445371 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.079 mas, bmaj=1.348 mas, bpa=-10.37 degrees ! Estimated noise=0.582882 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00104653 Jy ! Component: 100 - total flux cleaned = 0.00136663 Jy ! Component: 150 - total flux cleaned = 0.00145536 Jy ! Component: 200 - total flux cleaned = 0.00157028 Jy ! Total flux subtracted in 200 components = 0.00157028 Jy ! Clean residual min=-0.001141 max=0.001200 Jy/beam ! Clean residual mean=0.000001 rms=0.000266 Jy/beam ! Combined flux in latest and established models = 0.102199 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 74 components and 0.102199 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=0.050837Jy sigma=0.445074 ! Fit after self-cal, rms=0.050912Jy sigma=0.444814 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 (9.6, 33.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000877467 Jy ! Component: 100 - total flux cleaned = 0.00136777 Jy ! Component: 150 - total flux cleaned = 0.00171733 Jy ! Component: 200 - total flux cleaned = 0.00199098 Jy ! Total flux subtracted in 200 components = 0.00199098 Jy ! Clean residual min=-0.001054 max=0.001113 Jy/beam ! Clean residual mean=0.000000 rms=0.000246 Jy/beam ! Combined flux in latest and established models = 0.10419 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 88 components and 0.10419 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=0.050886Jy sigma=0.444541 ! Fit after self-cal, rms=0.050883Jy sigma=0.444513 ! 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=0.050883Jy sigma=0.444513 ! Fit after self-cal, rms=0.051060Jy sigma=0.444453 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.078 mas, bmaj=1.347 mas, bpa=-10.51 degrees ! Estimated noise=0.58285 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00059349 Jy ! Component: 100 - total flux cleaned = 0.000968443 Jy ! Component: 150 - total flux cleaned = 0.00116737 Jy ! Component: 200 - total flux cleaned = 0.00130243 Jy ! Total flux subtracted in 200 components = 0.00130243 Jy ! Clean residual min=-0.001049 max=0.001012 Jy/beam ! Clean residual mean=0.000000 rms=0.000233 Jy/beam ! Combined flux in latest and established models = 0.105493 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 92 components and 0.105492 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=0.051049Jy sigma=0.444331 ! Fit after self-cal, rms=0.051059Jy sigma=0.444318 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 = 0.00023443 Jy ! Component: 100 - total flux cleaned = 0.000403272 Jy ! Component: 150 - total flux cleaned = 0.000494805 Jy ! Component: 200 - total flux cleaned = 0.000581539 Jy ! Total flux subtracted in 200 components = 0.000581539 Jy ! Clean residual min=-0.001042 max=0.001003 Jy/beam ! Clean residual mean=0.000000 rms=0.000229 Jy/beam ! Combined flux in latest and established models = 0.106074 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 96 components and 0.106074 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=0.051052Jy sigma=0.444255 ! Fit after self-cal, rms=0.051052Jy sigma=0.444251 ! 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=0.051052Jy sigma=0.444251 ! Fit after self-cal, rms=0.051045Jy sigma=0.444240 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.919 mas, bmaj=2.169 mas, bpa=-4.298 degrees ! Estimated noise=0.696527 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000317078 Jy ! Component: 100 - total flux cleaned = 0.000568216 Jy ! Component: 150 - total flux cleaned = 0.000719682 Jy ! Component: 200 - total flux cleaned = 0.000820335 Jy ! Total flux subtracted in 200 components = 0.000820335 Jy ! Clean residual min=-0.001164 max=0.000893 Jy/beam ! Clean residual mean=0.000000 rms=0.000251 Jy/beam ! Combined flux in latest and established models = 0.106894 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 111 components and 0.106894 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=0.051043Jy sigma=0.444193 ! Fit after self-cal, rms=0.051043Jy sigma=0.444184 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 = 7.67218e-05 Jy ! Component: 100 - total flux cleaned = 0.000190833 Jy ! Component: 150 - total flux cleaned = 0.000283195 Jy ! Component: 200 - total flux cleaned = 0.000358632 Jy ! Total flux subtracted in 200 components = 0.000358632 Jy ! Clean residual min=-0.001153 max=0.000908 Jy/beam ! Clean residual mean=0.000000 rms=0.000248 Jy/beam ! Combined flux in latest and established models = 0.107253 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 113 components and 0.107253 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=0.051042Jy sigma=0.444167 ! Fit after self-cal, rms=0.051041Jy sigma=0.444163 ! 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=1.078 mas, bmaj=1.348 mas, bpa=-10.67 degrees ! Estimated noise=0.582538 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.078 x 1.348 at -10.67 degrees (North through East) ! Clean map min=-0.00098319 max=0.050691 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=0.8449 mas, bmaj=1.086 mas, bpa=-15.39 degrees ! Estimated noise=1.22105 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0394595 Jy ! Component: 100 - total flux cleaned = 0.0576825 Jy ! Component: 150 - total flux cleaned = 0.0679192 Jy ! Component: 200 - total flux cleaned = 0.0746353 Jy ! Total flux subtracted in 200 components = 0.0746353 Jy ! Clean residual min=-0.003287 max=0.003723 Jy/beam ! Clean residual mean=-0.000000 rms=0.000787 Jy/beam ! Combined flux in latest and established models = 0.0746353 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 0.0746353 Jy ! Inverting map and beam ! Estimated beam: bmin=1.078 mas, bmaj=1.348 mas, bpa=-10.67 degrees ! Estimated noise=0.582538 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 = 0.00683788 Jy ! Component: 100 - total flux cleaned = 0.0115011 Jy ! Component: 150 - total flux cleaned = 0.0148754 Jy ! Component: 200 - total flux cleaned = 0.0174876 Jy ! Total flux subtracted in 200 components = 0.0174876 Jy ! Clean residual min=-0.001688 max=0.001604 Jy/beam ! Clean residual mean=-0.000000 rms=0.000405 Jy/beam ! Combined flux in latest and established models = 0.0921229 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 31 components and 0.0921229 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=1.919 mas, bmaj=2.169 mas, bpa=-4.298 degrees ! Estimated noise=0.696527 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00331822 Jy ! Component: 100 - total flux cleaned = 0.00548858 Jy ! Component: 150 - total flux cleaned = 0.00712557 Jy ! Component: 200 - total flux cleaned = 0.00828055 Jy ! Total flux subtracted in 200 components = 0.00828055 Jy ! Clean residual min=-0.001703 max=0.001196 Jy/beam ! Clean residual mean=0.000000 rms=0.000370 Jy/beam ! Combined flux in latest and established models = 0.100403 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 = 0.000897281 Jy ! Component: 100 - total flux cleaned = 0.00162526 Jy ! Component: 150 - total flux cleaned = 0.00228448 Jy ! Component: 200 - total flux cleaned = 0.00278056 Jy ! Total flux subtracted in 200 components = 0.00278056 Jy ! Clean residual min=-0.001454 max=0.001041 Jy/beam ! Clean residual mean=0.000000 rms=0.000296 Jy/beam ! Combined flux in latest and established models = 0.103184 Jy ! Adding 63 model components to the UV plane model. ! The established model now contains 74 components and 0.103184 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.078 mas, bmaj=1.348 mas, bpa=-10.67 degrees ! Estimated noise=0.582538 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000530745 Jy ! Component: 100 - total flux cleaned = 0.000843918 Jy ! Component: 150 - total flux cleaned = 0.00115067 Jy ! Component: 200 - total flux cleaned = 0.00138446 Jy ! Total flux subtracted in 200 components = 0.00138446 Jy ! Clean residual min=-0.001080 max=0.001021 Jy/beam ! Clean residual mean=0.000000 rms=0.000241 Jy/beam ! Combined flux in latest and established models = 0.104568 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 90 components and 0.104568 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=0.051080Jy sigma=0.444511 ! Fit after self-cal, rms=0.051058Jy sigma=0.444409 wmodel J1936+3642_X_map.mod ! Writing 90 model components to file: J1936+3642_X_map.mod wobs J1936+3642_X_uvs.fits ! Writing UV FITS file: J1936+3642_X_uvs.fits wwins J1936+3642_X_map.win ! wwins: Wrote 4 windows to J1936+3642_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 = -0.000358743 Jy ! Component: 100 - total flux cleaned = -0.000551284 Jy ! Component: 150 - total flux cleaned = -0.000551693 Jy ! Component: 200 - total flux cleaned = -0.000551319 Jy ! Component: 250 - total flux cleaned = -0.000489458 Jy ! Component: 300 - total flux cleaned = -0.000384955 Jy ! Component: 350 - total flux cleaned = -0.000312253 Jy ! Component: 400 - total flux cleaned = -0.000198581 Jy ! Component: 450 - total flux cleaned = -0.000101204 Jy ! Component: 500 - total flux cleaned = 4.81635e-05 Jy ! Component: 550 - total flux cleaned = 0.000168188 Jy ! Component: 600 - total flux cleaned = 0.000311866 Jy ! Component: 650 - total flux cleaned = 0.0004528 Jy ! Component: 700 - total flux cleaned = 0.000528454 Jy ! Component: 750 - total flux cleaned = 0.000615537 Jy ! Component: 800 - total flux cleaned = 0.000713444 Jy ! Component: 850 - total flux cleaned = 0.000785657 Jy ! Component: 900 - total flux cleaned = 0.000880365 Jy ! Component: 950 - total flux cleaned = 0.000938769 Jy ! Component: 1000 - total flux cleaned = 0.000984916 Jy ! Component: 1050 - total flux cleaned = 0.00104188 Jy ! Component: 1100 - total flux cleaned = 0.00112016 Jy ! Component: 1150 - total flux cleaned = 0.00116439 Jy ! Component: 1200 - total flux cleaned = 0.00120796 Jy ! Component: 1250 - total flux cleaned = 0.00122968 Jy ! Component: 1300 - total flux cleaned = 0.00126182 Jy ! Component: 1350 - total flux cleaned = 0.00130426 Jy ! Component: 1400 - total flux cleaned = 0.00138791 Jy ! Component: 1450 - total flux cleaned = 0.00147054 Jy ! Component: 1500 - total flux cleaned = 0.00150112 Jy ! Component: 1550 - total flux cleaned = 0.00156188 Jy ! Component: 1600 - total flux cleaned = 0.00160201 Jy ! Component: 1650 - total flux cleaned = 0.00165161 Jy ! Component: 1700 - total flux cleaned = 0.00168114 Jy ! Component: 1750 - total flux cleaned = 0.00177864 Jy ! Component: 1800 - total flux cleaned = 0.00179796 Jy ! Component: 1850 - total flux cleaned = 0.00187419 Jy ! Component: 1900 - total flux cleaned = 0.00193094 Jy ! Component: 1950 - total flux cleaned = 0.00194971 Jy ! Component: 2000 - total flux cleaned = 0.00199615 Jy ! Component: 2050 - total flux cleaned = 0.00206049 Jy ! Component: 2100 - total flux cleaned = 0.0021152 Jy ! Component: 2150 - total flux cleaned = 0.00213311 Jy ! Component: 2200 - total flux cleaned = 0.00217789 Jy ! Component: 2250 - total flux cleaned = 0.00221343 Jy ! Component: 2300 - total flux cleaned = 0.00226631 Jy ! Component: 2350 - total flux cleaned = 0.00230983 Jy ! Component: 2400 - total flux cleaned = 0.00232718 Jy ! Component: 2450 - total flux cleaned = 0.00235291 Jy ! Component: 2500 - total flux cleaned = 0.00238715 Jy ! Component: 2550 - total flux cleaned = 0.00242966 Jy ! Component: 2600 - total flux cleaned = 0.00247169 Jy ! Component: 2650 - total flux cleaned = 0.00248844 Jy ! Component: 2700 - total flux cleaned = 0.0025382 Jy ! Component: 2750 - total flux cleaned = 0.00256298 Jy ! Component: 2800 - total flux cleaned = 0.00258753 Jy ! Component: 2850 - total flux cleaned = 0.00262799 Jy ! Component: 2900 - total flux cleaned = 0.00267632 Jy ! Component: 2950 - total flux cleaned = 0.00267636 Jy ! Component: 3000 - total flux cleaned = 0.00273995 Jy ! Component: 3050 - total flux cleaned = 0.00278729 Jy ! Component: 3100 - total flux cleaned = 0.00278734 Jy ! Component: 3150 - total flux cleaned = 0.00288076 Jy ! Component: 3200 - total flux cleaned = 0.00284981 Jy ! Component: 3250 - total flux cleaned = 0.00292667 Jy ! Component: 3300 - total flux cleaned = 0.00293425 Jy ! Component: 3350 - total flux cleaned = 0.00293421 Jy ! Component: 3400 - total flux cleaned = 0.00299465 Jy ! Component: 3450 - total flux cleaned = 0.00302462 Jy ! Component: 3500 - total flux cleaned = 0.00306196 Jy ! Component: 3550 - total flux cleaned = 0.00309163 Jy ! Component: 3600 - total flux cleaned = 0.00312116 Jy ! Component: 3650 - total flux cleaned = 0.00318718 Jy ! Component: 3700 - total flux cleaned = 0.00321631 Jy ! Component: 3750 - total flux cleaned = 0.00323087 Jy ! Component: 3800 - total flux cleaned = 0.00330301 Jy ! Component: 3850 - total flux cleaned = 0.00334592 Jy ! Component: 3900 - total flux cleaned = 0.00334594 Jy ! Component: 3950 - total flux cleaned = 0.00336011 Jy ! Component: 4000 - total flux cleaned = 0.00338126 Jy ! Component: 4050 - total flux cleaned = 0.00338132 Jy ! Total flux subtracted in 4096 components = 0.00339533 Jy ! Clean residual min=-0.000437 max=0.000431 Jy/beam ! Clean residual mean=0.000000 rms=0.000117 Jy/beam ! Combined flux in latest and established models = 0.107964 Jy keep ! Adding 301 model components to the UV plane model. ! The established model now contains 391 components and 0.107964 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1936+3642_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.078 x 1.348 at -10.67 degrees (North through East) ! Clean map min=-0.00066499 max=0.050959 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1936+3642_X_map.fits wmodel /image_prod/ug002_uva//J1936+3642_X_map.mod ! Writing 391 model components to file: /image_prod/ug002_uva//J1936+3642_X_map.mod wobs /image_prod/ug002_uva//J1936+3642_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1936+3642_X_uvs.fits wwins /image_prod/ug002_uva//J1936+3642_X_map.win ! wwins: Wrote 5 windows to /image_prod/ug002_uva//J1936+3642_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0509587 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000115743 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.681394 0.681394 1.36279 2.72558 5.45115 10.9023 21.8046 43.6092 87.2184 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.05 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 440.273 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1936+3642_X_dfm.log closed on Thu Mar 5 04:17:38 2020