! Started logfile: /image_prod/ug002_uva//J1755+3350_X_dfm.log on Thu Mar 5 03:32:24 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+3350_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1755+3350_X_uva.fits ! AN table 1: 75 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.759259 visibilities/baseline/integration-bin. ! Found source: J1755+3350 ! ! 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 24600 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+3350_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 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.003122Jy sigma=9.270218 ! Fit after self-cal, rms=0.962168Jy sigma=8.888524 ! 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=0.6671 mas, bmaj=1.441 mas, bpa=-18.88 degrees ! Estimated noise=1.15663 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 = 0.0302857 Jy ! Component: 100 - total flux cleaned = 0.0378944 Jy ! Total flux subtracted in 100 components = 0.0378944 Jy ! Clean residual min=-0.003113 max=0.003160 Jy/beam ! Clean residual mean=0.000001 rms=0.000712 Jy/beam ! Combined flux in latest and established models = 0.0378944 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.0378944 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=0.056661Jy sigma=0.485213 ! Fit after self-cal, rms=0.055053Jy sigma=0.469032 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00472668 Jy ! Component: 100 - total flux cleaned = 0.00566242 Jy ! Total flux subtracted in 100 components = 0.00566242 Jy ! Clean residual min=-0.002715 max=0.002809 Jy/beam ! Clean residual mean=0.000000 rms=0.000668 Jy/beam ! Combined flux in latest and established models = 0.0435568 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0435568 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=0.054735Jy sigma=0.465738 ! Fit after self-cal, rms=0.054727Jy sigma=0.465656 ! 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=0.8717 mas, bmaj=1.68 mas, bpa=-17.4 degrees ! Estimated noise=0.496216 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 = -6.36601e-05 Jy ! Component: 100 - total flux cleaned = -0.000117682 Jy ! Component: 150 - total flux cleaned = -0.000206855 Jy ! Component: 200 - total flux cleaned = -0.000244969 Jy ! Total flux subtracted in 200 components = -0.000244969 Jy ! Clean residual min=-0.001890 max=0.002370 Jy/beam ! Clean residual mean=0.000000 rms=0.000472 Jy/beam ! Combined flux in latest and established models = 0.0433118 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 14 components and 0.0433118 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=0.054653Jy sigma=0.464969 ! Fit after self-cal, rms=0.054630Jy sigma=0.464924 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8717 x 1.68 at -17.4 degrees (North through East) ! Clean map min=-0.0018194 max=0.04164 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.01 HN 0.95 KP 1.12 ! LA 0.94 MK 1.00 NL 1.25 OV 0.92 ! SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.93 HN 0.95 KP 1.23 ! LA 0.99 MK 1.00 NL 1.23 OV 0.83 ! SC 1.03 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.96 HN 1.04 KP 1.18 ! LA 0.95 MK 1.02 NL 1.36 OV 0.89 ! SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 HN 0.98 KP 1.24 ! LA 0.88 MK 1.03 NL 1.15 OV 0.91 ! SC 0.93 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.06 HN 1.00 KP 1.27 ! LA 0.86 MK 0.99 NL 1.28 OV 0.88 ! SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.03 HN 1.03 KP 1.23 ! LA 0.93 MK 0.97 NL 1.21 OV 0.79 ! SC 0.93 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 HN 0.98 KP 1.17 ! LA 0.88 MK 1.05 NL 1.23 OV 0.90 ! SC 0.94 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.96 HN 0.91 KP 1.11 ! LA 0.92 MK 1.01 NL 1.28 OV 0.90 ! SC 1.01 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.98 HN 0.99 KP 1.26 ! LA 0.94 MK 0.92 NL 1.24 OV 0.85 ! SC 0.93 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.02 HN 0.94 KP 1.23 ! LA 0.87 MK 0.95 NL 1.22 OV 0.86 ! SC 0.96 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 0.93 HN 0.88 KP 1.24 ! LA 0.90 MK 1.00 NL 1.29 OV 0.84 ! SC 0.90 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.92 HN 0.85 KP 1.14 ! LA 0.92 MK 0.98 NL 1.15 OV 0.91 ! SC 0.86 ! ! ! Fit before self-cal, rms=0.054630Jy sigma=0.464924 ! Fit after self-cal, rms=0.052479Jy sigma=0.460462 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8667 mas, bmaj=1.661 mas, bpa=-16.18 degrees ! Estimated noise=0.488536 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 = -0.00048283 Jy ! Component: 100 - total flux cleaned = -0.000578225 Jy ! Component: 150 - total flux cleaned = -0.000600865 Jy ! Component: 200 - total flux cleaned = -0.000609509 Jy ! Total flux subtracted in 200 components = -0.000609509 Jy ! Clean residual min=-0.001098 max=0.001314 Jy/beam ! Clean residual mean=0.000001 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.0427023 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 18 components and 0.0427023 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=0.052470Jy sigma=0.460384 ! Fit after self-cal, rms=0.052607Jy sigma=0.459918 ! 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=0.052607Jy sigma=0.459918 ! Fit after self-cal, rms=0.054174Jy sigma=0.458469 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.868 mas, bmaj=1.644 mas, bpa=-15.92 degrees ! Estimated noise=0.487522 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000169639 Jy ! Component: 100 - total flux cleaned = 0.000196226 Jy ! Component: 150 - total flux cleaned = 0.000210161 Jy ! Component: 200 - total flux cleaned = 0.000204172 Jy ! Total flux subtracted in 200 components = 0.000204172 Jy ! Clean residual min=-0.001095 max=0.000891 Jy/beam ! Clean residual mean=-0.000000 rms=0.000206 Jy/beam ! Combined flux in latest and established models = 0.0429065 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 27 components and 0.0429065 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=0.054171Jy sigma=0.458446 ! Fit after self-cal, rms=0.054258Jy sigma=0.458263 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 = -6.89143e-07 Jy ! Component: 100 - total flux cleaned = -4.82168e-07 Jy ! Component: 150 - total flux cleaned = -4.52559e-06 Jy ! Component: 200 - total flux cleaned = -8.36537e-06 Jy ! Total flux subtracted in 200 components = -8.36537e-06 Jy ! Clean residual min=-0.001076 max=0.000940 Jy/beam ! Clean residual mean=-0.000000 rms=0.000209 Jy/beam ! Combined flux in latest and established models = 0.0428981 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 30 components and 0.0428981 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=0.054257Jy sigma=0.458257 ! Fit after self-cal, rms=0.054261Jy sigma=0.458252 ! 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=0.054261Jy sigma=0.458252 ! Fit after self-cal, rms=0.054613Jy sigma=0.458214 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8685 mas, bmaj=1.639 mas, bpa=-15.85 degrees ! Estimated noise=0.486815 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.76261e-05 Jy ! Component: 100 - total flux cleaned = 0.000117741 Jy ! Component: 150 - total flux cleaned = 0.000117648 Jy ! Component: 200 - total flux cleaned = 0.000113126 Jy ! Total flux subtracted in 200 components = 0.000113126 Jy ! Clean residual min=-0.001087 max=0.000892 Jy/beam ! Clean residual mean=-0.000000 rms=0.000206 Jy/beam ! Combined flux in latest and established models = 0.0430113 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 31 components and 0.0430113 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=0.054611Jy sigma=0.458202 ! Fit after self-cal, rms=0.054630Jy sigma=0.458194 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 = 2.98577e-05 Jy ! Component: 100 - total flux cleaned = 2.98152e-05 Jy ! Component: 150 - total flux cleaned = 2.98985e-05 Jy ! Component: 200 - total flux cleaned = 2.98332e-05 Jy ! Total flux subtracted in 200 components = 2.98332e-05 Jy ! Clean residual min=-0.001087 max=0.000900 Jy/beam ! Clean residual mean=-0.000000 rms=0.000206 Jy/beam ! Combined flux in latest and established models = 0.0430411 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 32 components and 0.0430411 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=0.054629Jy sigma=0.458190 ! Fit after self-cal, rms=0.054632Jy sigma=0.458190 ! 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=0.054632Jy sigma=0.458190 ! Fit after self-cal, rms=0.054605Jy sigma=0.458181 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.081 mas, bmaj=2.442 mas, bpa=-10.37 degrees ! Estimated noise=0.62302 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000110855 Jy ! Component: 100 - total flux cleaned = 0.000137539 Jy ! Component: 150 - total flux cleaned = 0.000154842 Jy ! Component: 200 - total flux cleaned = 0.000165664 Jy ! Total flux subtracted in 200 components = 0.000165664 Jy ! Clean residual min=-0.001024 max=0.001184 Jy/beam ! Clean residual mean=-0.000001 rms=0.000273 Jy/beam ! Combined flux in latest and established models = 0.0432068 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 37 components and 0.0432068 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=0.054605Jy sigma=0.458178 ! Fit after self-cal, rms=0.054609Jy sigma=0.458177 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, 18). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000394133 Jy ! Component: 100 - total flux cleaned = 0.000150727 Jy ! Component: 150 - total flux cleaned = -9.27995e-05 Jy ! Component: 200 - total flux cleaned = -0.000331771 Jy ! Total flux subtracted in 200 components = -0.000331771 Jy ! Clean residual min=-0.000843 max=0.000920 Jy/beam ! Clean residual mean=-0.000001 rms=0.000229 Jy/beam ! Combined flux in latest and established models = 0.042875 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 58 components and 0.042875 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=0.054592Jy sigma=0.458063 ! Fit after self-cal, rms=0.054588Jy sigma=0.458017 ! 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=0.8689 mas, bmaj=1.635 mas, bpa=-15.78 degrees ! Estimated noise=0.485969 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8689 x 1.635 at -15.78 degrees (North through East) ! Clean map min=-0.00094679 max=0.040748 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=0.6709 mas, bmaj=1.395 mas, bpa=-17.23 degrees ! Estimated noise=1.12229 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0310347 Jy ! Component: 100 - total flux cleaned = 0.0386092 Jy ! Component: 150 - total flux cleaned = 0.0418276 Jy ! Component: 200 - total flux cleaned = 0.0435758 Jy ! Total flux subtracted in 200 components = 0.0435758 Jy ! Clean residual min=-0.002411 max=0.002124 Jy/beam ! Clean residual mean=0.000000 rms=0.000517 Jy/beam ! Combined flux in latest and established models = 0.0435758 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.0435758 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8689 mas, bmaj=1.635 mas, bpa=-15.78 degrees ! Estimated noise=0.485969 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 = 0.000800311 Jy ! Component: 100 - total flux cleaned = 0.000798329 Jy ! Component: 150 - total flux cleaned = 0.000737269 Jy ! Component: 200 - total flux cleaned = 0.000630014 Jy ! Total flux subtracted in 200 components = 0.000630014 Jy ! Clean residual min=-0.001101 max=0.000864 Jy/beam ! Clean residual mean=-0.000000 rms=0.000209 Jy/beam ! Combined flux in latest and established models = 0.0442058 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 38 components and 0.0442058 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=2.081 mas, bmaj=2.442 mas, bpa=-10.37 degrees ! Estimated noise=0.62302 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000301188 Jy ! Component: 100 - total flux cleaned = -0.000627163 Jy ! Component: 150 - total flux cleaned = -0.000909246 Jy ! Component: 200 - total flux cleaned = -0.00108843 Jy ! Total flux subtracted in 200 components = -0.00108843 Jy ! Clean residual min=-0.000826 max=0.000924 Jy/beam ! Clean residual mean=-0.000001 rms=0.000236 Jy/beam ! Combined flux in latest and established models = 0.0431173 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 = -0.000103143 Jy ! Component: 100 - total flux cleaned = -0.000183567 Jy ! Component: 150 - total flux cleaned = -0.000244824 Jy ! Component: 200 - total flux cleaned = -0.000279573 Jy ! Total flux subtracted in 200 components = -0.000279573 Jy ! Clean residual min=-0.000831 max=0.000901 Jy/beam ! Clean residual mean=-0.000001 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.0428378 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 72 components and 0.0428378 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8689 mas, bmaj=1.635 mas, bpa=-15.78 degrees ! Estimated noise=0.485969 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000222423 Jy ! Component: 100 - total flux cleaned = -0.000342917 Jy ! Component: 150 - total flux cleaned = -0.00046901 Jy ! Component: 200 - total flux cleaned = -0.000501136 Jy ! Total flux subtracted in 200 components = -0.000501136 Jy ! Clean residual min=-0.001024 max=0.000846 Jy/beam ! Clean residual mean=-0.000000 rms=0.000190 Jy/beam ! Combined flux in latest and established models = 0.0423366 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 88 components and 0.0423366 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=0.054585Jy sigma=0.458058 ! Fit after self-cal, rms=0.054590Jy sigma=0.458005 wmodel J1755+3350_X_map.mod ! Writing 88 model components to file: J1755+3350_X_map.mod wobs J1755+3350_X_uvs.fits ! Writing UV FITS file: J1755+3350_X_uvs.fits wwins J1755+3350_X_map.win ! wwins: Wrote 2 windows to J1755+3350_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 = -0.000144362 Jy ! Component: 100 - total flux cleaned = -8.5639e-05 Jy ! Component: 150 - total flux cleaned = -5.84446e-05 Jy ! Component: 200 - total flux cleaned = -1.84273e-05 Jy ! Component: 250 - total flux cleaned = -4.83061e-06 Jy ! Component: 300 - total flux cleaned = 8.02432e-06 Jy ! Component: 350 - total flux cleaned = 8.00618e-06 Jy ! Component: 400 - total flux cleaned = -2.80379e-05 Jy ! Component: 450 - total flux cleaned = -7.48893e-05 Jy ! Component: 500 - total flux cleaned = -7.48444e-05 Jy ! Component: 550 - total flux cleaned = -0.000108966 Jy ! Component: 600 - total flux cleaned = -7.55132e-05 Jy ! Component: 650 - total flux cleaned = -0.000119796 Jy ! Component: 700 - total flux cleaned = -9.80541e-05 Jy ! Component: 750 - total flux cleaned = -0.000108867 Jy ! Component: 800 - total flux cleaned = -0.000109001 Jy ! Component: 850 - total flux cleaned = -0.000119409 Jy ! Component: 900 - total flux cleaned = -0.000139962 Jy ! Component: 950 - total flux cleaned = -0.000150121 Jy ! Component: 1000 - total flux cleaned = -0.000160072 Jy ! Component: 1050 - total flux cleaned = -0.000159971 Jy ! Component: 1100 - total flux cleaned = -0.000179498 Jy ! Component: 1150 - total flux cleaned = -0.000150537 Jy ! Component: 1200 - total flux cleaned = -0.000188999 Jy ! Component: 1250 - total flux cleaned = -0.000207925 Jy ! Component: 1300 - total flux cleaned = -0.000189173 Jy ! Component: 1350 - total flux cleaned = -0.000217055 Jy ! Component: 1400 - total flux cleaned = -0.000244703 Jy ! Component: 1450 - total flux cleaned = -0.000226552 Jy ! Component: 1500 - total flux cleaned = -0.000253614 Jy ! Component: 1550 - total flux cleaned = -0.000271598 Jy ! Component: 1600 - total flux cleaned = -0.000271676 Jy ! Component: 1650 - total flux cleaned = -0.000289253 Jy ! Component: 1700 - total flux cleaned = -0.000289264 Jy ! Component: 1750 - total flux cleaned = -0.00033223 Jy ! Component: 1800 - total flux cleaned = -0.000298088 Jy ! Component: 1850 - total flux cleaned = -0.000289722 Jy ! Component: 1900 - total flux cleaned = -0.000306505 Jy ! Component: 1950 - total flux cleaned = -0.000314838 Jy ! Component: 2000 - total flux cleaned = -0.00035584 Jy ! Component: 2050 - total flux cleaned = -0.000363912 Jy ! Component: 2100 - total flux cleaned = -0.000331621 Jy ! Component: 2150 - total flux cleaned = -0.00032369 Jy ! Component: 2200 - total flux cleaned = -0.000355364 Jy ! Component: 2250 - total flux cleaned = -0.000355406 Jy ! Component: 2300 - total flux cleaned = -0.000371107 Jy ! Component: 2350 - total flux cleaned = -0.000363316 Jy ! Component: 2400 - total flux cleaned = -0.000378685 Jy ! Component: 2450 - total flux cleaned = -0.000393932 Jy ! Component: 2500 - total flux cleaned = -0.000416633 Jy ! Component: 2550 - total flux cleaned = -0.000431736 Jy ! Component: 2600 - total flux cleaned = -0.000446656 Jy ! Component: 2650 - total flux cleaned = -0.000446722 Jy ! Component: 2700 - total flux cleaned = -0.000498264 Jy ! Component: 2750 - total flux cleaned = -0.000498277 Jy ! Component: 2800 - total flux cleaned = -0.000512812 Jy ! Component: 2850 - total flux cleaned = -0.000534453 Jy ! Component: 2900 - total flux cleaned = -0.00057033 Jy ! Component: 2950 - total flux cleaned = -0.000584589 Jy ! Component: 3000 - total flux cleaned = -0.00060569 Jy ! Component: 3050 - total flux cleaned = -0.000577575 Jy ! Component: 3100 - total flux cleaned = -0.000626473 Jy ! Component: 3150 - total flux cleaned = -0.000647295 Jy ! Component: 3200 - total flux cleaned = -0.000667967 Jy ! Component: 3250 - total flux cleaned = -0.000702189 Jy ! Component: 3300 - total flux cleaned = -0.000695442 Jy ! Component: 3350 - total flux cleaned = -0.0007022 Jy ! Component: 3400 - total flux cleaned = -0.000742531 Jy ! Component: 3450 - total flux cleaned = -0.000762575 Jy ! Component: 3500 - total flux cleaned = -0.000769252 Jy ! Component: 3550 - total flux cleaned = -0.000782498 Jy ! Component: 3600 - total flux cleaned = -0.000775891 Jy ! Component: 3650 - total flux cleaned = -0.000788934 Jy ! Component: 3700 - total flux cleaned = -0.000801912 Jy ! Component: 3750 - total flux cleaned = -0.000795445 Jy ! Component: 3800 - total flux cleaned = -0.000776176 Jy ! Component: 3850 - total flux cleaned = -0.000833672 Jy ! Component: 3900 - total flux cleaned = -0.000801864 Jy ! Component: 3950 - total flux cleaned = -0.000795575 Jy ! Component: 4000 - total flux cleaned = -0.00080813 Jy ! Component: 4050 - total flux cleaned = -0.000795627 Jy ! Total flux subtracted in 4096 components = -0.000826743 Jy ! Clean residual min=-0.000343 max=0.000387 Jy/beam ! Clean residual mean=-0.000000 rms=0.000102 Jy/beam ! Combined flux in latest and established models = 0.0415099 Jy keep ! Adding 293 model components to the UV plane model. ! The established model now contains 381 components and 0.0415099 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1755+3350_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8689 x 1.635 at -15.78 degrees (North through East) ! Clean map min=-0.00077437 max=0.040541 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1755+3350_X_map.fits wmodel /image_prod/ug002_uva//J1755+3350_X_map.mod ! Writing 381 model components to file: /image_prod/ug002_uva//J1755+3350_X_map.mod wobs /image_prod/ug002_uva//J1755+3350_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1755+3350_X_uvs.fits wwins /image_prod/ug002_uva//J1755+3350_X_map.win ! wwins: Wrote 3 windows to /image_prod/ug002_uva//J1755+3350_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0405409 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000101615 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.751944 0.751944 1.50389 3.00777 6.01555 12.0311 24.0622 48.1244 96.2488 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.04 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 398.966 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1755+3350_X_dfm.log closed on Thu Mar 5 03:32:28 2020