! Started logfile: /image_prod/ug002_uva//J1755+1820_X_dfm.log on Thu Mar 5 03:32:02 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//J1755+1820_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1755+1820_X_uva.fits ! AN table 1: 90 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.680864 visibilities/baseline/integration-bin. ! Found source: J1755+1820 ! ! 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 26472 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 J1755+1820_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 150 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 150 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 150 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 150 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 150 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 150 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 150 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 150 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 150 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 150 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 150 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 150 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.001727Jy sigma=8.999780 ! Fit after self-cal, rms=0.939669Jy sigma=8.417921 ! 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=0.6857 mas, bmaj=1.569 mas, bpa=-9.913 degrees ! Estimated noise=0.923546 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 = 0.0446394 Jy ! Component: 100 - total flux cleaned = 0.0612913 Jy ! Total flux subtracted in 100 components = 0.0612913 Jy ! Clean residual min=-0.004861 max=0.008680 Jy/beam ! Clean residual mean=0.000001 rms=0.001319 Jy/beam ! Combined flux in latest and established models = 0.0612913 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0612913 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=0.063710Jy sigma=0.547363 ! Fit after self-cal, rms=0.062745Jy sigma=0.539695 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00941713 Jy ! Component: 100 - total flux cleaned = 0.0150785 Jy ! Total flux subtracted in 100 components = 0.0150785 Jy ! Clean residual min=-0.004640 max=0.008913 Jy/beam ! Clean residual mean=0.000002 rms=0.001132 Jy/beam ! Combined flux in latest and established models = 0.0763699 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 18 components and 0.0763699 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=0.060757Jy sigma=0.516297 ! Fit after self-cal, rms=0.060746Jy sigma=0.516128 ! Inverting map ! Added new window around map position (2, 2.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00858428 Jy ! Component: 100 - total flux cleaned = 0.013595 Jy ! Total flux subtracted in 100 components = 0.013595 Jy ! Clean residual min=-0.003879 max=0.005199 Jy/beam ! Clean residual mean=0.000002 rms=0.000901 Jy/beam ! Combined flux in latest and established models = 0.0899649 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 37 components and 0.0899649 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=0.059135Jy sigma=0.498789 ! Fit after self-cal, rms=0.058913Jy sigma=0.496440 ! 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=0.8434 mas, bmaj=1.772 mas, bpa=-8.458 degrees ! Estimated noise=0.491593 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 = 0.00754196 Jy ! Component: 100 - total flux cleaned = 0.0123125 Jy ! Component: 150 - total flux cleaned = 0.0156752 Jy ! Component: 200 - total flux cleaned = 0.0181112 Jy ! Total flux subtracted in 200 components = 0.0181112 Jy ! Clean residual min=-0.003025 max=0.004934 Jy/beam ! Clean residual mean=0.000002 rms=0.000848 Jy/beam ! Combined flux in latest and established models = 0.108076 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 47 components and 0.108076 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=0.057912Jy sigma=0.484669 ! Fit after self-cal, rms=0.057782Jy sigma=0.483140 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8434 x 1.772 at -8.458 degrees (North through East) ! Clean map min=-0.0027855 max=0.059252 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.97 HN 1.01 KP 1.12 ! LA 0.92 MK 1.01 NL 1.30 OV 0.91 ! SC 1.06 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.95 HN 1.04 KP 1.15 ! LA 0.91 MK 0.88 NL 1.26 OV 0.92 ! SC 1.14 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.96 HN 1.09 KP 1.12 ! LA 0.92 MK 1.00 NL 1.27 OV 0.94 ! SC 1.07 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.95 HN 1.06 KP 1.11 ! LA 0.91 MK 1.06 NL 1.47 OV 0.88 ! SC 1.03 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.96 HN 1.03 KP 1.15 ! LA 0.92 MK 1.04 NL 1.19 OV 0.93 ! SC 1.04 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.94 HN 1.06 KP 1.15 ! LA 0.90 MK 0.89 NL 1.27 OV 0.92 ! SC 1.05 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.94 HN 1.02 KP 1.15 ! LA 0.92 MK 0.99 NL 1.35 OV 0.90 ! SC 1.04 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.96 HN 1.07 KP 1.15 ! LA 0.91 MK 0.90 NL 1.25 OV 0.86 ! SC 1.08 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.97 HN 1.03 KP 1.14 ! LA 0.90 MK 0.95 NL 1.21 OV 0.91 ! SC 1.06 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.94 HN 1.04 KP 1.13 ! LA 0.93 MK 0.86 NL 1.23 OV 0.89 ! SC 1.05 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.96 HN 1.02 KP 1.09 ! LA 0.92 MK 0.93 NL 1.23 OV 0.93 ! SC 0.99 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.95 HN 1.06 KP 1.13 ! LA 0.91 MK 0.83 NL 1.35 OV 0.90 ! SC 1.05 ! ! ! Fit before self-cal, rms=0.057782Jy sigma=0.483140 ! Fit after self-cal, rms=0.057623Jy sigma=0.475486 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8383 mas, bmaj=1.787 mas, bpa=-8.713 degrees ! Estimated noise=0.485227 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (4.4, 4.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00267647 Jy ! Component: 100 - total flux cleaned = 0.00368795 Jy ! Component: 150 - total flux cleaned = 0.00364204 Jy ! Component: 200 - total flux cleaned = 0.00372007 Jy ! Total flux subtracted in 200 components = 0.00372007 Jy ! Clean residual min=-0.001776 max=0.001914 Jy/beam ! Clean residual mean=0.000001 rms=0.000411 Jy/beam ! Combined flux in latest and established models = 0.111796 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 65 components and 0.111796 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=0.057486Jy sigma=0.474049 ! Fit after self-cal, rms=0.057615Jy sigma=0.473574 ! 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=0.473574 ! Fit after self-cal, rms=0.058312Jy sigma=0.471633 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8386 mas, bmaj=1.775 mas, bpa=-8.786 degrees ! Estimated noise=0.48358 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00126456 Jy ! Component: 100 - total flux cleaned = 0.00195996 Jy ! Component: 150 - total flux cleaned = 0.00224044 Jy ! Component: 200 - total flux cleaned = 0.00226268 Jy ! Total flux subtracted in 200 components = 0.00226268 Jy ! Clean residual min=-0.001134 max=0.001453 Jy/beam ! Clean residual mean=-0.000000 rms=0.000284 Jy/beam ! Combined flux in latest and established models = 0.114059 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 82 components and 0.114059 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=0.058276Jy sigma=0.471280 ! Fit after self-cal, rms=0.058300Jy sigma=0.471166 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 (-4.6, -3.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00135048 Jy ! Component: 100 - total flux cleaned = 0.00212744 Jy ! Component: 150 - total flux cleaned = 0.00232894 Jy ! Component: 200 - total flux cleaned = 0.00235189 Jy ! Total flux subtracted in 200 components = 0.00235189 Jy ! Clean residual min=-0.001042 max=0.001140 Jy/beam ! Clean residual mean=0.000000 rms=0.000247 Jy/beam ! Combined flux in latest and established models = 0.116411 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 109 components and 0.116411 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=0.058262Jy sigma=0.470791 ! Fit after self-cal, rms=0.058264Jy sigma=0.470751 ! Inverting map ! Added new window around map position (-1.8, -2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000940443 Jy ! Component: 100 - total flux cleaned = 0.00125712 Jy ! Component: 150 - total flux cleaned = 0.00147457 Jy ! Component: 200 - total flux cleaned = 0.00157388 Jy ! Total flux subtracted in 200 components = 0.00157388 Jy ! Clean residual min=-0.000926 max=0.001031 Jy/beam ! Clean residual mean=0.000000 rms=0.000226 Jy/beam ! Combined flux in latest and established models = 0.117985 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 130 components and 0.117985 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=0.058227Jy sigma=0.470471 ! Fit after self-cal, rms=0.058224Jy sigma=0.470442 ! Inverting map ! Added new window around map position (-45.8, -1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000725567 Jy ! Component: 100 - total flux cleaned = 0.00107568 Jy ! Component: 150 - total flux cleaned = 0.00114579 Jy ! Component: 200 - total flux cleaned = 0.00127205 Jy ! Total flux subtracted in 200 components = 0.00127205 Jy ! Clean residual min=-0.000847 max=0.001005 Jy/beam ! Clean residual mean=0.000000 rms=0.000216 Jy/beam ! Combined flux in latest and established models = 0.119257 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 142 components and 0.119257 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=0.058195Jy sigma=0.470248 ! Fit after self-cal, rms=0.058191Jy sigma=0.470228 ! Inverting map ! Added new window around map position (-22.6, -8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000193379 Jy ! Component: 100 - total flux cleaned = 0.00044947 Jy ! Component: 150 - total flux cleaned = 0.00058579 Jy ! Component: 200 - total flux cleaned = 0.000606166 Jy ! Total flux subtracted in 200 components = 0.000606166 Jy ! Clean residual min=-0.000843 max=0.000969 Jy/beam ! Clean residual mean=-0.000000 rms=0.000205 Jy/beam ! Combined flux in latest and established models = 0.119863 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 155 components and 0.119863 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=0.058164Jy sigma=0.470018 ! Fit after self-cal, rms=0.058155Jy sigma=0.469996 ! Inverting map ! Added new window around map position (27.8, 45.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000625554 Jy ! Component: 100 - total flux cleaned = 0.000715428 Jy ! Component: 150 - total flux cleaned = 0.000862321 Jy ! Component: 200 - total flux cleaned = 0.000960912 Jy ! Total flux subtracted in 200 components = 0.000960912 Jy ! Clean residual min=-0.000811 max=0.000830 Jy/beam ! Clean residual mean=0.000000 rms=0.000196 Jy/beam ! Combined flux in latest and established models = 0.120824 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 169 components and 0.120824 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=0.058134Jy sigma=0.469831 ! Fit after self-cal, rms=0.058132Jy sigma=0.469820 ! 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=0.058132Jy sigma=0.469820 ! Fit after self-cal, rms=0.057838Jy sigma=0.469729 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8368 mas, bmaj=1.772 mas, bpa=-8.608 degrees ! Estimated noise=0.48221 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000585852 Jy ! Component: 100 - total flux cleaned = 0.000783386 Jy ! Component: 150 - total flux cleaned = 0.000819096 Jy ! Component: 200 - total flux cleaned = 0.000748711 Jy ! Total flux subtracted in 200 components = 0.000748711 Jy ! Clean residual min=-0.000808 max=0.000760 Jy/beam ! Clean residual mean=0.000000 rms=0.000186 Jy/beam ! Combined flux in latest and established models = 0.121572 Jy selfcal ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 180 components and 0.121572 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=0.057824Jy sigma=0.469625 ! Fit after self-cal, rms=0.057826Jy sigma=0.469616 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 = 0.00022748 Jy ! Component: 100 - total flux cleaned = 0.000261657 Jy ! Component: 150 - total flux cleaned = 0.000310819 Jy ! Component: 200 - total flux cleaned = 0.000263217 Jy ! Total flux subtracted in 200 components = 0.000263217 Jy ! Clean residual min=-0.000798 max=0.000743 Jy/beam ! Clean residual mean=0.000000 rms=0.000183 Jy/beam ! Combined flux in latest and established models = 0.121836 Jy ! Performing phase self-cal ! Adding 47 model components to the UV plane model. ! The established model now contains 185 components and 0.121836 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=0.057815Jy sigma=0.469545 ! Fit after self-cal, rms=0.057814Jy sigma=0.469543 ! 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=0.057814Jy sigma=0.469543 ! Fit after self-cal, rms=0.057652Jy sigma=0.469533 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.075 mas, bmaj=2.704 mas, bpa=10.79 degrees ! Estimated noise=0.623904 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000143019 Jy ! Component: 100 - total flux cleaned = 0.000289245 Jy ! Component: 150 - total flux cleaned = 0.000289905 Jy ! Component: 200 - total flux cleaned = 0.000302539 Jy ! Total flux subtracted in 200 components = 0.000302539 Jy ! Clean residual min=-0.000733 max=0.000667 Jy/beam ! Clean residual mean=0.000000 rms=0.000181 Jy/beam ! Combined flux in latest and established models = 0.122138 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 202 components and 0.122138 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=0.057649Jy sigma=0.469506 ! Fit after self-cal, rms=0.057645Jy sigma=0.469502 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 = 9.24478e-06 Jy ! Component: 100 - total flux cleaned = -5.39343e-07 Jy ! Component: 150 - total flux cleaned = 1.81428e-05 Jy ! Component: 200 - total flux cleaned = 1.80958e-05 Jy ! Total flux subtracted in 200 components = 1.80958e-05 Jy ! Clean residual min=-0.000756 max=0.000633 Jy/beam ! Clean residual mean=0.000000 rms=0.000178 Jy/beam ! Combined flux in latest and established models = 0.122156 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 211 components and 0.122156 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=0.057644Jy sigma=0.469494 ! Fit after self-cal, rms=0.057642Jy sigma=0.469492 ! 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=0.836 mas, bmaj=1.77 mas, bpa=-8.52 degrees ! Estimated noise=0.48191 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.836 x 1.77 at -8.52 degrees (North through East) ! Clean map min=-0.00095362 max=0.057606 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=0.6823 mas, bmaj=1.561 mas, bpa=-9.816 degrees ! Estimated noise=0.909073 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0442839 Jy ! Component: 100 - total flux cleaned = 0.0616358 Jy ! Component: 150 - total flux cleaned = 0.0726264 Jy ! Component: 200 - total flux cleaned = 0.0807936 Jy ! Total flux subtracted in 200 components = 0.0807936 Jy ! Clean residual min=-0.003077 max=0.004731 Jy/beam ! Clean residual mean=-0.000000 rms=0.000821 Jy/beam ! Combined flux in latest and established models = 0.0807936 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 23 model components to the UV plane model. ! The established model now contains 23 components and 0.0807936 Jy ! Inverting map and beam ! Estimated beam: bmin=0.836 mas, bmaj=1.77 mas, bpa=-8.52 degrees ! Estimated noise=0.48191 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 = 0.00934983 Jy ! Component: 100 - total flux cleaned = 0.015555 Jy ! Component: 150 - total flux cleaned = 0.0199304 Jy ! Component: 200 - total flux cleaned = 0.0232131 Jy ! Total flux subtracted in 200 components = 0.0232131 Jy ! Clean residual min=-0.001763 max=0.002646 Jy/beam ! Clean residual mean=-0.000001 rms=0.000459 Jy/beam ! Combined flux in latest and established models = 0.104007 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 48 components and 0.104007 Jy ! Inverting map ! Added new window around map position (1, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00276564 Jy ! Component: 100 - total flux cleaned = 0.00475137 Jy ! Component: 150 - total flux cleaned = 0.00637544 Jy ! Component: 200 - total flux cleaned = 0.00778864 Jy ! Total flux subtracted in 200 components = 0.00778864 Jy ! Clean residual min=-0.001300 max=0.001230 Jy/beam ! Clean residual mean=-0.000000 rms=0.000310 Jy/beam ! Combined flux in latest and established models = 0.111795 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 73 components and 0.111795 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.075 mas, bmaj=2.704 mas, bpa=10.79 degrees ! Estimated noise=0.623904 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00220514 Jy ! Component: 100 - total flux cleaned = 0.00372789 Jy ! Component: 150 - total flux cleaned = 0.00484782 Jy ! Component: 200 - total flux cleaned = 0.00559176 Jy ! Total flux subtracted in 200 components = 0.00559176 Jy ! Clean residual min=-0.001140 max=0.000979 Jy/beam ! Clean residual mean=-0.000000 rms=0.000280 Jy/beam ! Combined flux in latest and established models = 0.117387 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 = 0.000513238 Jy ! Component: 100 - total flux cleaned = 0.00105718 Jy ! Component: 150 - total flux cleaned = 0.00144846 Jy ! Component: 200 - total flux cleaned = 0.00175942 Jy ! Total flux subtracted in 200 components = 0.00175942 Jy ! Clean residual min=-0.000983 max=0.000802 Jy/beam ! Clean residual mean=0.000000 rms=0.000230 Jy/beam ! Combined flux in latest and established models = 0.119147 Jy ! Adding 76 model components to the UV plane model. ! The established model now contains 136 components and 0.119147 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.836 mas, bmaj=1.77 mas, bpa=-8.52 degrees ! Estimated noise=0.48191 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000905477 Jy ! Component: 100 - total flux cleaned = 0.00142349 Jy ! Component: 150 - total flux cleaned = 0.0018233 Jy ! Component: 200 - total flux cleaned = 0.00209801 Jy ! Total flux subtracted in 200 components = 0.00209801 Jy ! Clean residual min=-0.000863 max=0.000921 Jy/beam ! Clean residual mean=-0.000000 rms=0.000209 Jy/beam ! Combined flux in latest and established models = 0.121245 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 162 components and 0.121244 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=0.057710Jy sigma=0.470019 ! Fit after self-cal, rms=0.057718Jy sigma=0.469935 wmodel J1755+1820_X_map.mod ! Writing 162 model components to file: J1755+1820_X_map.mod wobs J1755+1820_X_uvs.fits ! Writing UV FITS file: J1755+1820_X_uvs.fits wwins J1755+1820_X_map.win ! wwins: Wrote 9 windows to J1755+1820_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 = -2.8602e-05 Jy ! Component: 100 - total flux cleaned = -0.000209578 Jy ! Component: 150 - total flux cleaned = -0.000340501 Jy ! Component: 200 - total flux cleaned = -0.000439071 Jy ! Component: 250 - total flux cleaned = -0.00054866 Jy ! Component: 300 - total flux cleaned = -0.000655247 Jy ! Component: 350 - total flux cleaned = -0.000720389 Jy ! Component: 400 - total flux cleaned = -0.000758694 Jy ! Component: 450 - total flux cleaned = -0.000808836 Jy ! Component: 500 - total flux cleaned = -0.00087023 Jy ! Component: 550 - total flux cleaned = -0.000918267 Jy ! Component: 600 - total flux cleaned = -0.000977182 Jy ! Component: 650 - total flux cleaned = -0.000953888 Jy ! Component: 700 - total flux cleaned = -0.000965208 Jy ! Component: 750 - total flux cleaned = -0.000976566 Jy ! Component: 800 - total flux cleaned = -0.00100983 Jy ! Component: 850 - total flux cleaned = -0.00100983 Jy ! Component: 900 - total flux cleaned = -0.00107431 Jy ! Component: 950 - total flux cleaned = -0.00104237 Jy ! Component: 1000 - total flux cleaned = -0.00107394 Jy ! Component: 1050 - total flux cleaned = -0.0010843 Jy ! Component: 1100 - total flux cleaned = -0.00109452 Jy ! Component: 1150 - total flux cleaned = -0.00114508 Jy ! Component: 1200 - total flux cleaned = -0.0011351 Jy ! Component: 1250 - total flux cleaned = -0.00110573 Jy ! Component: 1300 - total flux cleaned = -0.00113495 Jy ! Component: 1350 - total flux cleaned = -0.00111577 Jy ! Component: 1400 - total flux cleaned = -0.00112521 Jy ! Component: 1450 - total flux cleaned = -0.00111569 Jy ! Component: 1500 - total flux cleaned = -0.00107869 Jy ! Component: 1550 - total flux cleaned = -0.00109708 Jy ! Component: 1600 - total flux cleaned = -0.00105137 Jy ! Component: 1650 - total flux cleaned = -0.00102424 Jy ! Component: 1700 - total flux cleaned = -0.0010243 Jy ! Component: 1750 - total flux cleaned = -0.00102443 Jy ! Component: 1800 - total flux cleaned = -0.000998271 Jy ! Component: 1850 - total flux cleaned = -0.00100691 Jy ! Component: 1900 - total flux cleaned = -0.000972451 Jy ! Component: 1950 - total flux cleaned = -0.000946839 Jy ! Component: 2000 - total flux cleaned = -0.000930027 Jy ! Component: 2050 - total flux cleaned = -0.000946863 Jy ! Component: 2100 - total flux cleaned = -0.000905188 Jy ! Component: 2150 - total flux cleaned = -0.00088873 Jy ! Component: 2200 - total flux cleaned = -0.000872459 Jy ! Component: 2250 - total flux cleaned = -0.000888671 Jy ! Component: 2300 - total flux cleaned = -0.000864396 Jy ! Component: 2350 - total flux cleaned = -0.000848451 Jy ! Component: 2400 - total flux cleaned = -0.000832544 Jy ! Component: 2450 - total flux cleaned = -0.000808887 Jy ! Component: 2500 - total flux cleaned = -0.000777662 Jy ! Component: 2550 - total flux cleaned = -0.00077778 Jy ! Component: 2600 - total flux cleaned = -0.000708364 Jy ! Component: 2650 - total flux cleaned = -0.000700695 Jy ! Component: 2700 - total flux cleaned = -0.000655095 Jy ! Component: 2750 - total flux cleaned = -0.000609862 Jy ! Component: 2800 - total flux cleaned = -0.000617448 Jy ! Component: 2850 - total flux cleaned = -0.000587615 Jy ! Component: 2900 - total flux cleaned = -0.000595035 Jy ! Component: 2950 - total flux cleaned = -0.000565611 Jy ! Component: 3000 - total flux cleaned = -0.000558276 Jy ! Component: 3050 - total flux cleaned = -0.00053645 Jy ! Component: 3100 - total flux cleaned = -0.000529173 Jy ! Component: 3150 - total flux cleaned = -0.000471762 Jy ! Component: 3200 - total flux cleaned = -0.000486015 Jy ! Component: 3250 - total flux cleaned = -0.000464806 Jy ! Component: 3300 - total flux cleaned = -0.000464818 Jy ! Component: 3350 - total flux cleaned = -0.000401622 Jy ! Component: 3400 - total flux cleaned = -0.000373763 Jy ! Component: 3450 - total flux cleaned = -0.000352995 Jy ! Component: 3500 - total flux cleaned = -0.000373635 Jy ! Component: 3550 - total flux cleaned = -0.000346134 Jy ! Component: 3600 - total flux cleaned = -0.000305284 Jy ! Component: 3650 - total flux cleaned = -0.000305291 Jy ! Component: 3700 - total flux cleaned = -0.000285148 Jy ! Component: 3750 - total flux cleaned = -0.000251587 Jy ! Component: 3800 - total flux cleaned = -0.000231573 Jy ! Component: 3850 - total flux cleaned = -0.000204992 Jy ! Component: 3900 - total flux cleaned = -0.000158826 Jy ! Component: 3950 - total flux cleaned = -0.000119561 Jy ! Component: 4000 - total flux cleaned = -9.99943e-05 Jy ! Component: 4050 - total flux cleaned = -0.000100047 Jy ! Total flux subtracted in 4096 components = -6.13411e-05 Jy ! Clean residual min=-0.000396 max=0.000353 Jy/beam ! Clean residual mean=0.000000 rms=0.000109 Jy/beam ! Combined flux in latest and established models = 0.121183 Jy keep ! Adding 294 model components to the UV plane model. ! The established model now contains 456 components and 0.121183 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1755+1820_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.836 x 1.77 at -8.52 degrees (North through East) ! Clean map min=-0.00072428 max=0.057316 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1755+1820_X_map.fits wmodel /image_prod/ug002_uva//J1755+1820_X_map.mod ! Writing 456 model components to file: /image_prod/ug002_uva//J1755+1820_X_map.mod wobs /image_prod/ug002_uva//J1755+1820_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1755+1820_X_uvs.fits wwins /image_prod/ug002_uva//J1755+1820_X_map.win ! wwins: Wrote 10 windows to /image_prod/ug002_uva//J1755+1820_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0573164 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00010874 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.569158 0.569158 1.13832 2.27663 4.55326 9.10653 18.2131 36.4261 72.8522 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.057 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 527.094 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1755+1820_X_dfm.log closed on Thu Mar 5 03:32:08 2020