! Started logfile: /image_prod/ug002_uva//J1757+0531_X_dfm.log on Thu Mar 5 03:33:31 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//J1757+0531_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1757+0531_X_uva.fits ! AN table 1: 60 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.998889 visibilities/baseline/integration-bin. ! Found source: J1757+0531 ! ! 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 32364 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 J1757+0531_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. ! ! 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=1.002019Jy sigma=9.454312 ! Fit after self-cal, rms=0.964170Jy sigma=9.091928 ! 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=0.6863 mas, bmaj=1.718 mas, bpa=-2.606 degrees ! Estimated noise=0.760563 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 = 0.0283492 Jy ! Component: 100 - total flux cleaned = 0.0352324 Jy ! Total flux subtracted in 100 components = 0.0352324 Jy ! Clean residual min=-0.001788 max=0.003205 Jy/beam ! Clean residual mean=0.000001 rms=0.000475 Jy/beam ! Combined flux in latest and established models = 0.0352324 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.0352324 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=0.054694Jy sigma=0.482097 ! Fit after self-cal, rms=0.052847Jy sigma=0.464082 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00499928 Jy ! Component: 100 - total flux cleaned = 0.00755054 Jy ! Total flux subtracted in 100 components = 0.00755054 Jy ! Clean residual min=-0.001956 max=0.003148 Jy/beam ! Clean residual mean=0.000002 rms=0.000434 Jy/beam ! Combined flux in latest and established models = 0.042783 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0427829 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=0.052310Jy sigma=0.458296 ! Fit after self-cal, rms=0.052311Jy sigma=0.458186 ! Inverting map ! Added new window around map position (-0.2, -2.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00289609 Jy ! Component: 100 - total flux cleaned = 0.00372065 Jy ! Total flux subtracted in 100 components = 0.00372065 Jy ! Clean residual min=-0.001831 max=0.001873 Jy/beam ! Clean residual mean=0.000002 rms=0.000405 Jy/beam ! Combined flux in latest and established models = 0.0465036 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 14 components and 0.0465036 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=0.052137Jy sigma=0.456360 ! Fit after self-cal, rms=0.052111Jy sigma=0.456188 ! 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=0.8806 mas, bmaj=2.03 mas, bpa=-2.794 degrees ! Estimated noise=0.423046 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 = 0.00194573 Jy ! Component: 100 - total flux cleaned = 0.00290803 Jy ! Component: 150 - total flux cleaned = 0.00316337 Jy ! Component: 200 - total flux cleaned = 0.00325926 Jy ! Total flux subtracted in 200 components = 0.00325926 Jy ! Clean residual min=-0.001170 max=0.001731 Jy/beam ! Clean residual mean=0.000002 rms=0.000295 Jy/beam ! Combined flux in latest and established models = 0.0497629 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 24 components and 0.0497629 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=0.052037Jy sigma=0.455425 ! Fit after self-cal, rms=0.052023Jy sigma=0.455331 ! Inverting map ! Added new window around map position (0.8, 6.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00140487 Jy ! Component: 100 - total flux cleaned = 0.0018007 Jy ! Component: 150 - total flux cleaned = 0.00180082 Jy ! Component: 200 - total flux cleaned = 0.00182394 Jy ! Total flux subtracted in 200 components = 0.00182394 Jy ! Clean residual min=-0.001178 max=0.001473 Jy/beam ! Clean residual mean=0.000002 rms=0.000280 Jy/beam ! Combined flux in latest and established models = 0.0515868 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 41 components and 0.0515868 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=0.051977Jy sigma=0.454896 ! Fit after self-cal, rms=0.051962Jy sigma=0.454820 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8806 x 2.03 at -2.794 degrees (North through East) ! Clean map min=-0.0011031 max=0.040509 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.07 HN 0.89 KP 1.13 ! LA 1.06 MK 1.13 NL 1.15 OV 0.99 ! PT 0.94 SC 1.07 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.04 HN 0.94 KP 1.06 ! LA 1.08 MK 1.04 NL 1.23 OV 0.90 ! PT 0.95 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.01 HN 0.88 KP 1.06 ! LA 1.03 MK 0.98 NL 1.17 OV 0.99 ! PT 0.90 SC 1.02 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.03 HN 0.93 KP 1.05 ! LA 1.02 MK 1.00 NL 1.17 OV 0.91 ! PT 0.95 SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.08 HN 0.89 KP 1.02 ! LA 1.03 MK 1.07 NL 1.10 OV 0.96 ! PT 0.95 SC 1.10 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.07 HN 0.86 KP 1.12 ! LA 1.05 MK 1.06 NL 1.08 OV 0.96 ! PT 0.85 SC 0.90 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.04 HN 0.91 KP 1.01 ! LA 1.06 MK 1.03 NL 1.20 OV 0.93 ! PT 0.86 SC 1.03 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.10 HN 0.83 KP 1.09 ! LA 1.05 MK 1.10 NL 1.05 OV 0.92 ! PT 0.90 SC 0.98 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.02 HN 0.85 KP 1.03 ! LA 1.01 MK 0.98 NL 1.07 OV 0.92 ! PT 0.99 SC 1.06 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.99 HN 0.92 KP 1.04 ! LA 1.04 MK 0.98 NL 1.00 OV 0.97 ! PT 0.94 SC 0.95 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.01 HN 0.83 KP 1.07 ! LA 1.02 MK 1.03 NL 1.07 OV 0.94 ! PT 0.89 SC 0.85 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.02 HN 0.84 KP 1.07 ! LA 1.07 MK 0.95 NL 1.07 OV 0.87 ! PT 0.87 SC 0.91 ! ! ! Fit before self-cal, rms=0.051962Jy sigma=0.454820 ! Fit after self-cal, rms=0.051169Jy sigma=0.452746 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8768 mas, bmaj=2.023 mas, bpa=-2.614 degrees ! Estimated noise=0.418956 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 = 0.000160317 Jy ! Component: 100 - total flux cleaned = 0.000282165 Jy ! Component: 150 - total flux cleaned = 0.000241754 Jy ! Component: 200 - total flux cleaned = 0.00016657 Jy ! Total flux subtracted in 200 components = 0.00016657 Jy ! Clean residual min=-0.000941 max=0.000748 Jy/beam ! Clean residual mean=0.000001 rms=0.000194 Jy/beam ! Combined flux in latest and established models = 0.0517534 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 57 components and 0.0517534 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=0.051158Jy sigma=0.452658 ! Fit after self-cal, rms=0.051183Jy sigma=0.452403 ! 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=0.051183Jy sigma=0.452403 ! Fit after self-cal, rms=0.052262Jy sigma=0.451332 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8764 mas, bmaj=2.022 mas, bpa=-2.656 degrees ! Estimated noise=0.419707 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000192839 Jy ! Component: 100 - total flux cleaned = 0.000279991 Jy ! Component: 150 - total flux cleaned = 0.000318254 Jy ! Component: 200 - total flux cleaned = 0.000309688 Jy ! Total flux subtracted in 200 components = 0.000309688 Jy ! Clean residual min=-0.000769 max=0.000783 Jy/beam ! Clean residual mean=0.000001 rms=0.000178 Jy/beam ! Combined flux in latest and established models = 0.052063 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 73 components and 0.052063 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=0.052258Jy sigma=0.451298 ! Fit after self-cal, rms=0.052302Jy sigma=0.451213 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 = 5.99979e-05 Jy ! Component: 100 - total flux cleaned = 5.12018e-05 Jy ! Component: 150 - total flux cleaned = 3.52485e-05 Jy ! Component: 200 - total flux cleaned = 3.50318e-05 Jy ! Total flux subtracted in 200 components = 3.50318e-05 Jy ! Clean residual min=-0.000780 max=0.000785 Jy/beam ! Clean residual mean=0.000001 rms=0.000179 Jy/beam ! Combined flux in latest and established models = 0.0520981 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 82 components and 0.0520981 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=0.052299Jy sigma=0.451194 ! Fit after self-cal, rms=0.052300Jy sigma=0.451192 ! Inverting map ! Added new window around map position (-32.6, 11). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000289913 Jy ! Component: 100 - total flux cleaned = 0.000187002 Jy ! Component: 150 - total flux cleaned = 0.000124135 Jy ! Component: 200 - total flux cleaned = 0.000103318 Jy ! Total flux subtracted in 200 components = 0.000103318 Jy ! Clean residual min=-0.000735 max=0.000707 Jy/beam ! Clean residual mean=0.000001 rms=0.000175 Jy/beam ! Combined flux in latest and established models = 0.0522014 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 98 components and 0.0522014 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=0.052288Jy sigma=0.451085 ! Fit after self-cal, rms=0.052288Jy sigma=0.451068 ! 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=0.052288Jy sigma=0.451068 ! Fit after self-cal, rms=0.052682Jy sigma=0.451043 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8757 mas, bmaj=2.019 mas, bpa=-2.609 degrees ! Estimated noise=0.420265 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.87593e-05 Jy ! Component: 100 - total flux cleaned = 3.86509e-05 Jy ! Component: 150 - total flux cleaned = 3.91692e-05 Jy ! Component: 200 - total flux cleaned = 3.95961e-05 Jy ! Total flux subtracted in 200 components = 3.95961e-05 Jy ! Clean residual min=-0.000715 max=0.000715 Jy/beam ! Clean residual mean=0.000001 rms=0.000174 Jy/beam ! Combined flux in latest and established models = 0.052241 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 107 components and 0.052241 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=0.052677Jy sigma=0.450999 ! Fit after self-cal, rms=0.052685Jy sigma=0.450971 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 = 1.39498e-05 Jy ! Component: 100 - total flux cleaned = 2.28224e-05 Jy ! Component: 150 - total flux cleaned = 2.27373e-05 Jy ! Component: 200 - total flux cleaned = 3.9811e-05 Jy ! Total flux subtracted in 200 components = 3.9811e-05 Jy ! Clean residual min=-0.000721 max=0.000706 Jy/beam ! Clean residual mean=0.000001 rms=0.000174 Jy/beam ! Combined flux in latest and established models = 0.0522808 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 113 components and 0.0522808 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=0.052682Jy sigma=0.450944 ! Fit after self-cal, rms=0.052682Jy sigma=0.450940 ! 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=0.052682Jy sigma=0.450940 ! Fit after self-cal, rms=0.052757Jy sigma=0.450937 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.119 mas, bmaj=3.124 mas, bpa=-1.903 degrees ! Estimated noise=0.538042 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000110081 Jy ! Component: 100 - total flux cleaned = 0.000179555 Jy ! Component: 150 - total flux cleaned = 0.000211992 Jy ! Component: 200 - total flux cleaned = 0.000235386 Jy ! Total flux subtracted in 200 components = 0.000235386 Jy ! Clean residual min=-0.000988 max=0.000935 Jy/beam ! Clean residual mean=0.000003 rms=0.000227 Jy/beam ! Combined flux in latest and established models = 0.0525162 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 124 components and 0.0525162 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=0.052756Jy sigma=0.450927 ! Fit after self-cal, rms=0.052758Jy sigma=0.450924 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 = 5.88155e-05 Jy ! Component: 100 - total flux cleaned = 7.49743e-05 Jy ! Component: 150 - total flux cleaned = 8.00569e-05 Jy ! Component: 200 - total flux cleaned = 8.95389e-05 Jy ! Total flux subtracted in 200 components = 8.95389e-05 Jy ! Clean residual min=-0.000987 max=0.000930 Jy/beam ! Clean residual mean=0.000003 rms=0.000226 Jy/beam ! Combined flux in latest and established models = 0.0526057 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 135 components and 0.0526057 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=0.052758Jy sigma=0.450921 ! Fit after self-cal, rms=0.052758Jy sigma=0.450920 ! 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=0.8749 mas, bmaj=2.017 mas, bpa=-2.564 degrees ! Estimated noise=0.420444 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8749 x 2.017 at -2.564 degrees (North through East) ! Clean map min=-0.00067294 max=0.040297 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=0.6875 mas, bmaj=1.706 mas, bpa=-2.388 degrees ! Estimated noise=0.748351 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0296844 Jy ! Component: 100 - total flux cleaned = 0.0378057 Jy ! Component: 150 - total flux cleaned = 0.0422534 Jy ! Component: 200 - total flux cleaned = 0.0451357 Jy ! Total flux subtracted in 200 components = 0.0451357 Jy ! Clean residual min=-0.001543 max=0.001582 Jy/beam ! Clean residual mean=0.000001 rms=0.000359 Jy/beam ! Combined flux in latest and established models = 0.0451357 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.0451357 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8749 mas, bmaj=2.017 mas, bpa=-2.564 degrees ! Estimated noise=0.420444 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 = 0.00257406 Jy ! Component: 100 - total flux cleaned = 0.00428274 Jy ! Component: 150 - total flux cleaned = 0.00554021 Jy ! Component: 200 - total flux cleaned = 0.00617584 Jy ! Total flux subtracted in 200 components = 0.00617584 Jy ! Clean residual min=-0.000875 max=0.000823 Jy/beam ! Clean residual mean=0.000001 rms=0.000197 Jy/beam ! Combined flux in latest and established models = 0.0513115 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 34 components and 0.0513115 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=2.119 mas, bmaj=3.124 mas, bpa=-1.903 degrees ! Estimated noise=0.538042 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00074984 Jy ! Component: 100 - total flux cleaned = 0.00089329 Jy ! Component: 150 - total flux cleaned = 0.000955187 Jy ! Component: 200 - total flux cleaned = 0.0010371 Jy ! Total flux subtracted in 200 components = 0.0010371 Jy ! Clean residual min=-0.000991 max=0.000941 Jy/beam ! Clean residual mean=0.000003 rms=0.000236 Jy/beam ! Combined flux in latest and established models = 0.0523486 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 = 4.22098e-05 Jy ! Component: 100 - total flux cleaned = 9.12215e-05 Jy ! Component: 150 - total flux cleaned = 0.000124662 Jy ! Component: 200 - total flux cleaned = 0.000175495 Jy ! Total flux subtracted in 200 components = 0.000175495 Jy ! Clean residual min=-0.000992 max=0.000922 Jy/beam ! Clean residual mean=0.000003 rms=0.000230 Jy/beam ! Combined flux in latest and established models = 0.0525241 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 66 components and 0.0525241 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8749 mas, bmaj=2.017 mas, bpa=-2.564 degrees ! Estimated noise=0.420444 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000313727 Jy ! Component: 100 - total flux cleaned = 0.000392344 Jy ! Component: 150 - total flux cleaned = 0.000375571 Jy ! Component: 200 - total flux cleaned = 0.000375923 Jy ! Total flux subtracted in 200 components = 0.000375923 Jy ! Clean residual min=-0.000771 max=0.000825 Jy/beam ! Clean residual mean=0.000001 rms=0.000178 Jy/beam ! Combined flux in latest and established models = 0.0529001 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 86 components and 0.0529001 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=0.052774Jy sigma=0.451072 ! Fit after self-cal, rms=0.052771Jy sigma=0.451034 wmodel J1757+0531_X_map.mod ! Writing 86 model components to file: J1757+0531_X_map.mod wobs J1757+0531_X_uvs.fits ! Writing UV FITS file: J1757+0531_X_uvs.fits wwins J1757+0531_X_map.win ! wwins: Wrote 4 windows to J1757+0531_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 = 2.93602e-05 Jy ! Component: 100 - total flux cleaned = 0.000107858 Jy ! Component: 150 - total flux cleaned = 0.000169751 Jy ! Component: 200 - total flux cleaned = 0.000157602 Jy ! Component: 250 - total flux cleaned = 0.000169273 Jy ! Component: 300 - total flux cleaned = 0.00020368 Jy ! Component: 350 - total flux cleaned = 0.000248444 Jy ! Component: 400 - total flux cleaned = 0.000259496 Jy ! Component: 450 - total flux cleaned = 0.00029162 Jy ! Component: 500 - total flux cleaned = 0.000259856 Jy ! Component: 550 - total flux cleaned = 0.00029117 Jy ! Component: 600 - total flux cleaned = 0.000301452 Jy ! Component: 650 - total flux cleaned = 0.000341901 Jy ! Component: 700 - total flux cleaned = 0.000341776 Jy ! Component: 750 - total flux cleaned = 0.000341901 Jy ! Component: 800 - total flux cleaned = 0.000390607 Jy ! Component: 850 - total flux cleaned = 0.000380809 Jy ! Component: 900 - total flux cleaned = 0.000390345 Jy ! Component: 950 - total flux cleaned = 0.000380837 Jy ! Component: 1000 - total flux cleaned = 0.000371664 Jy ! Component: 1050 - total flux cleaned = 0.00038081 Jy ! Component: 1100 - total flux cleaned = 0.000362383 Jy ! Component: 1150 - total flux cleaned = 0.000362334 Jy ! Component: 1200 - total flux cleaned = 0.000317646 Jy ! Component: 1250 - total flux cleaned = 0.000326497 Jy ! Component: 1300 - total flux cleaned = 0.000317654 Jy ! Component: 1350 - total flux cleaned = 0.000308983 Jy ! Component: 1400 - total flux cleaned = 0.000317641 Jy ! Component: 1450 - total flux cleaned = 0.000309128 Jy ! Component: 1500 - total flux cleaned = 0.000309156 Jy ! Component: 1550 - total flux cleaned = 0.000326044 Jy ! Component: 1600 - total flux cleaned = 0.000292575 Jy ! Component: 1650 - total flux cleaned = 0.000342455 Jy ! Component: 1700 - total flux cleaned = 0.00033407 Jy ! Component: 1750 - total flux cleaned = 0.000317607 Jy ! Component: 1800 - total flux cleaned = 0.000325744 Jy ! Component: 1850 - total flux cleaned = 0.000285351 Jy ! Component: 1900 - total flux cleaned = 0.000293369 Jy ! Component: 1950 - total flux cleaned = 0.00027747 Jy ! Component: 2000 - total flux cleaned = 0.000269783 Jy ! Component: 2050 - total flux cleaned = 0.000277642 Jy ! Component: 2100 - total flux cleaned = 0.000285421 Jy ! Component: 2150 - total flux cleaned = 0.000262199 Jy ! Component: 2200 - total flux cleaned = 0.000254527 Jy ! Component: 2250 - total flux cleaned = 0.000231704 Jy ! Component: 2300 - total flux cleaned = 0.000224127 Jy ! Component: 2350 - total flux cleaned = 0.000216647 Jy ! Component: 2400 - total flux cleaned = 0.000224207 Jy ! Component: 2450 - total flux cleaned = 0.000216706 Jy ! Component: 2500 - total flux cleaned = 0.000209262 Jy ! Component: 2550 - total flux cleaned = 0.000165165 Jy ! Component: 2600 - total flux cleaned = 0.000179744 Jy ! Component: 2650 - total flux cleaned = 0.00015079 Jy ! Component: 2700 - total flux cleaned = 0.000165158 Jy ! Component: 2750 - total flux cleaned = 0.000136382 Jy ! Component: 2800 - total flux cleaned = 0.000129283 Jy ! Component: 2850 - total flux cleaned = 0.000129228 Jy ! Component: 2900 - total flux cleaned = 0.000136232 Jy ! Component: 2950 - total flux cleaned = 7.31586e-05 Jy ! Component: 3000 - total flux cleaned = 6.62531e-05 Jy ! Component: 3050 - total flux cleaned = 6.62103e-05 Jy ! Component: 3100 - total flux cleaned = 4.55737e-05 Jy ! Component: 3150 - total flux cleaned = 5.23882e-05 Jy ! Component: 3200 - total flux cleaned = 2.51025e-05 Jy ! Component: 3250 - total flux cleaned = 4.76516e-06 Jy ! Component: 3300 - total flux cleaned = -3.57286e-05 Jy ! Component: 3350 - total flux cleaned = -2.89917e-05 Jy ! Component: 3400 - total flux cleaned = -2.89649e-05 Jy ! Component: 3450 - total flux cleaned = -4.22703e-05 Jy ! Component: 3500 - total flux cleaned = -3.56313e-05 Jy ! Component: 3550 - total flux cleaned = -7.50714e-05 Jy ! Component: 3600 - total flux cleaned = -8.81126e-05 Jy ! Component: 3650 - total flux cleaned = -0.000127181 Jy ! Component: 3700 - total flux cleaned = -0.00010123 Jy ! Component: 3750 - total flux cleaned = -9.48497e-05 Jy ! Component: 3800 - total flux cleaned = -9.48707e-05 Jy ! Component: 3850 - total flux cleaned = -0.000133214 Jy ! Component: 3900 - total flux cleaned = -0.000133233 Jy ! Component: 3950 - total flux cleaned = -0.00014593 Jy ! Component: 4000 - total flux cleaned = -0.000152265 Jy ! Component: 4050 - total flux cleaned = -0.000133463 Jy ! Total flux subtracted in 4096 components = -0.000127245 Jy ! Clean residual min=-0.000403 max=0.000371 Jy/beam ! Clean residual mean=0.000001 rms=0.000108 Jy/beam ! Combined flux in latest and established models = 0.0527728 Jy keep ! Adding 308 model components to the UV plane model. ! The established model now contains 394 components and 0.0527728 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1757+0531_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8749 x 2.017 at -2.564 degrees (North through East) ! Clean map min=-0.00066023 max=0.040002 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1757+0531_X_map.fits wmodel /image_prod/ug002_uva//J1757+0531_X_map.mod ! Writing 394 model components to file: /image_prod/ug002_uva//J1757+0531_X_map.mod wobs /image_prod/ug002_uva//J1757+0531_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1757+0531_X_uvs.fits wwins /image_prod/ug002_uva//J1757+0531_X_map.win ! wwins: Wrote 5 windows to /image_prod/ug002_uva//J1757+0531_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0400024 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00010785 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.808825 0.808825 1.61765 3.2353 6.4706 12.9412 25.8824 51.7648 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= 370.908 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1757+0531_X_dfm.log closed on Thu Mar 5 03:33:36 2020