! Started logfile: /image_prod/ug002_uva//J2020+2826_X_dfm.log on Thu Mar 5 04:43:58 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//J2020+2826_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J2020+2826_X_uva.fits ! AN table 1: 114 integrations on 15 of 15 possible baselines. ! Apparent sampling: 0.88538 visibilities/baseline/integration-bin. ! Found source: J2020+2826 ! ! 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 18168 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 J2020+2826_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 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.003777Jy sigma=10.249843 ! Fit after self-cal, rms=0.947344Jy sigma=9.678072 ! 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=2.029 mas, bmaj=3.657 mas, bpa=63.29 degrees ! Estimated noise=0.844156 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 = 0.0337102 Jy ! Component: 100 - total flux cleaned = 0.0503341 Jy ! Total flux subtracted in 100 components = 0.0503341 Jy ! Clean residual min=-0.006380 max=0.009864 Jy/beam ! Clean residual mean=0.000018 rms=0.002360 Jy/beam ! Combined flux in latest and established models = 0.0503341 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 38 components and 0.0503341 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=0.062556Jy sigma=0.611143 ! Fit after self-cal, rms=0.061585Jy sigma=0.600901 ! 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=2.396 mas, bmaj=4.318 mas, bpa=58.49 degrees ! Estimated noise=0.519167 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 = 0.0234609 Jy ! Component: 100 - total flux cleaned = 0.0395015 Jy ! Component: 150 - total flux cleaned = 0.0514907 Jy ! Component: 200 - total flux cleaned = 0.0606415 Jy ! Total flux subtracted in 200 components = 0.0606415 Jy ! Clean residual min=-0.006343 max=0.007471 Jy/beam ! Clean residual mean=-0.000010 rms=0.002082 Jy/beam ! Combined flux in latest and established models = 0.110976 Jy ! Performing phase self-cal ! Adding 72 model components to the UV plane model. ! The established model now contains 102 components and 0.110976 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=0.048511Jy sigma=0.473742 ! Fit after self-cal, rms=0.047857Jy sigma=0.466733 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.396 x 4.318 at 58.49 degrees (North through East) ! Clean map min=-0.006499 max=0.054361 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.06 KP 1.02 LA 0.91 ! OV 1.33 PT 0.73 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.06 KP 1.00 LA 0.90 ! OV 1.24 PT 0.75 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.09 KP 1.02 LA 0.91 ! OV 1.28 PT 0.72 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.05 KP 1.00 LA 0.92 ! OV 1.27 PT 0.73 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.12 KP 1.01 LA 0.93 ! OV 1.28 PT 0.74 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.09 KP 1.06 LA 0.91 ! OV 1.28 PT 0.73 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.09 KP 1.06 LA 0.95 ! OV 1.28 PT 0.72 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 1.09 KP 1.04 LA 0.91 ! OV 1.26 PT 0.74 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.13 KP 1.06 LA 0.91 ! OV 1.33 PT 0.73 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.86 FD 1.09 KP 1.04 LA 0.90 ! OV 1.26 PT 0.76 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.86 FD 1.10 KP 1.06 LA 0.93 ! OV 1.18 PT 0.74 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.78 FD 1.05 KP 1.08 LA 0.92 ! OV 1.26 PT 0.74 ! ! ! Fit before self-cal, rms=0.047857Jy sigma=0.466733 ! Fit after self-cal, rms=0.043975Jy sigma=0.435224 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.409 mas, bmaj=4.425 mas, bpa=59.43 degrees ! Estimated noise=0.498466 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 = 0.000758992 Jy ! Component: 100 - total flux cleaned = 0.00152411 Jy ! Component: 150 - total flux cleaned = 0.00202184 Jy ! Component: 200 - total flux cleaned = 0.00243151 Jy ! Total flux subtracted in 200 components = 0.00243151 Jy ! Clean residual min=-0.004067 max=0.003956 Jy/beam ! Clean residual mean=-0.000002 rms=0.000921 Jy/beam ! Combined flux in latest and established models = 0.113407 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 116 components and 0.113407 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=0.043835Jy sigma=0.433535 ! Fit after self-cal, rms=0.043940Jy sigma=0.432206 ! 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=0.043940Jy sigma=0.432206 ! Fit after self-cal, rms=0.042608Jy sigma=0.428479 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.358 mas, bmaj=4.43 mas, bpa=57.99 degrees ! Estimated noise=0.480409 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000297856 Jy ! Component: 100 - total flux cleaned = 0.000726974 Jy ! Component: 150 - total flux cleaned = 0.00103296 Jy ! Component: 200 - total flux cleaned = 0.00121271 Jy ! Total flux subtracted in 200 components = 0.00121271 Jy ! Clean residual min=-0.002901 max=0.002707 Jy/beam ! Clean residual mean=-0.000006 rms=0.000661 Jy/beam ! Combined flux in latest and established models = 0.11462 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 127 components and 0.11462 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=0.042538Jy sigma=0.427752 ! Fit after self-cal, rms=0.042541Jy sigma=0.427371 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 = 0.000108679 Jy ! Component: 100 - total flux cleaned = 0.000224029 Jy ! Component: 150 - total flux cleaned = 0.000323399 Jy ! Component: 200 - total flux cleaned = 0.000409885 Jy ! Total flux subtracted in 200 components = 0.000409885 Jy ! Clean residual min=-0.002873 max=0.002846 Jy/beam ! Clean residual mean=-0.000005 rms=0.000651 Jy/beam ! Combined flux in latest and established models = 0.11503 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 134 components and 0.11503 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=0.042502Jy sigma=0.427034 ! Fit after self-cal, rms=0.042484Jy sigma=0.426899 ! 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=0.042484Jy sigma=0.426899 ! Fit after self-cal, rms=0.041163Jy sigma=0.426623 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.342 mas, bmaj=4.389 mas, bpa=57.57 degrees ! Estimated noise=0.467441 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.06199e-05 Jy ! Component: 100 - total flux cleaned = 0.000409123 Jy ! Component: 150 - total flux cleaned = 0.000660881 Jy ! Component: 200 - total flux cleaned = 0.000829997 Jy ! Total flux subtracted in 200 components = 0.000829997 Jy ! Clean residual min=-0.002734 max=0.002601 Jy/beam ! Clean residual mean=-0.000005 rms=0.000609 Jy/beam ! Combined flux in latest and established models = 0.11586 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 136 components and 0.11586 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=0.041125Jy sigma=0.426214 ! Fit after self-cal, rms=0.041095Jy sigma=0.426074 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 = 0.00012398 Jy ! Component: 100 - total flux cleaned = 0.000233981 Jy ! Component: 150 - total flux cleaned = 0.000327055 Jy ! Component: 200 - total flux cleaned = 0.000392298 Jy ! Total flux subtracted in 200 components = 0.000392298 Jy ! Clean residual min=-0.002726 max=0.002611 Jy/beam ! Clean residual mean=-0.000005 rms=0.000613 Jy/beam ! Combined flux in latest and established models = 0.116252 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 140 components and 0.116252 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=0.041072Jy sigma=0.425865 ! Fit after self-cal, rms=0.041057Jy sigma=0.425787 ! 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=0.041057Jy sigma=0.425787 ! Fit after self-cal, rms=0.040047Jy sigma=0.425637 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.738 mas, bmaj=4.73 mas, bpa=55.48 degrees ! Estimated noise=0.471682 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000269152 Jy ! Component: 100 - total flux cleaned = 0.000483913 Jy ! Component: 150 - total flux cleaned = 0.000606604 Jy ! Component: 200 - total flux cleaned = 0.00066684 Jy ! Total flux subtracted in 200 components = 0.00066684 Jy ! Clean residual min=-0.002822 max=0.002823 Jy/beam ! Clean residual mean=-0.000006 rms=0.000658 Jy/beam ! Combined flux in latest and established models = 0.116919 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 140 components and 0.116919 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=0.040025Jy sigma=0.425405 ! Fit after self-cal, rms=0.040011Jy sigma=0.425318 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 = 4.31421e-05 Jy ! Component: 100 - total flux cleaned = 0.000108901 Jy ! Component: 150 - total flux cleaned = 0.000168062 Jy ! Component: 200 - total flux cleaned = 0.000220225 Jy ! Total flux subtracted in 200 components = 0.000220225 Jy ! Clean residual min=-0.002797 max=0.002802 Jy/beam ! Clean residual mean=-0.000007 rms=0.000655 Jy/beam ! Combined flux in latest and established models = 0.117139 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 141 components and 0.117139 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=0.039998Jy sigma=0.425201 ! Fit after self-cal, rms=0.039993Jy sigma=0.425163 ! 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=2.329 mas, bmaj=4.357 mas, bpa=57.31 degrees ! Estimated noise=0.457479 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.329 x 4.357 at 57.31 degrees (North through East) ! Clean map min=-0.0025852 max=0.045353 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=1.957 mas, bmaj=3.632 mas, bpa=63.13 degrees ! Estimated noise=0.723468 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0292208 Jy ! Component: 100 - total flux cleaned = 0.0475933 Jy ! Component: 150 - total flux cleaned = 0.0612477 Jy ! Component: 200 - total flux cleaned = 0.0716245 Jy ! Total flux subtracted in 200 components = 0.0716245 Jy ! Clean residual min=-0.004401 max=0.007365 Jy/beam ! Clean residual mean=0.000016 rms=0.001471 Jy/beam ! Combined flux in latest and established models = 0.0716245 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 45 model components to the UV plane model. ! The established model now contains 45 components and 0.0716245 Jy ! Inverting map and beam ! Estimated beam: bmin=2.329 mas, bmaj=4.357 mas, bpa=57.31 degrees ! Estimated noise=0.457479 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 = 0.0126644 Jy ! Component: 100 - total flux cleaned = 0.0212186 Jy ! Component: 150 - total flux cleaned = 0.027369 Jy ! Component: 200 - total flux cleaned = 0.0318635 Jy ! Total flux subtracted in 200 components = 0.0318635 Jy ! Clean residual min=-0.003506 max=0.003531 Jy/beam ! Clean residual mean=-0.000002 rms=0.000875 Jy/beam ! Combined flux in latest and established models = 0.103488 Jy ! Adding 60 model components to the UV plane model. ! The established model now contains 96 components and 0.103488 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=2.738 mas, bmaj=4.73 mas, bpa=55.48 degrees ! Estimated noise=0.471682 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00393152 Jy ! Component: 100 - total flux cleaned = 0.00660823 Jy ! Component: 150 - total flux cleaned = 0.00846681 Jy ! Component: 200 - total flux cleaned = 0.00977225 Jy ! Total flux subtracted in 200 components = 0.00977225 Jy ! Clean residual min=-0.002934 max=0.002561 Jy/beam ! Clean residual mean=-0.000006 rms=0.000697 Jy/beam ! Combined flux in latest and established models = 0.11326 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 = 0.000920883 Jy ! Component: 100 - total flux cleaned = 0.00157178 Jy ! Component: 150 - total flux cleaned = 0.00196849 Jy ! Component: 200 - total flux cleaned = 0.00207884 Jy ! Total flux subtracted in 200 components = 0.00207884 Jy ! Clean residual min=-0.002702 max=0.002759 Jy/beam ! Clean residual mean=-0.000007 rms=0.000675 Jy/beam ! Combined flux in latest and established models = 0.115339 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 118 components and 0.115339 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.329 mas, bmaj=4.357 mas, bpa=57.31 degrees ! Estimated noise=0.457479 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.30976e-05 Jy ! Component: 100 - total flux cleaned = -5.72162e-06 Jy ! Component: 150 - total flux cleaned = 8.32811e-05 Jy ! Component: 200 - total flux cleaned = 0.000165172 Jy ! Total flux subtracted in 200 components = 0.000165172 Jy ! Clean residual min=-0.002417 max=0.002413 Jy/beam ! Clean residual mean=-0.000005 rms=0.000607 Jy/beam ! Combined flux in latest and established models = 0.115504 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 126 components and 0.115504 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=0.040039Jy sigma=0.425732 ! Fit after self-cal, rms=0.039955Jy sigma=0.425135 wmodel J2020+2826_X_map.mod ! Writing 126 model components to file: J2020+2826_X_map.mod wobs J2020+2826_X_uvs.fits ! Writing UV FITS file: J2020+2826_X_uvs.fits wwins J2020+2826_X_map.win ! wwins: Wrote 1 windows to J2020+2826_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 = -0.000442321 Jy ! Component: 100 - total flux cleaned = -0.000335654 Jy ! Component: 150 - total flux cleaned = -0.00043001 Jy ! Component: 200 - total flux cleaned = -0.000343816 Jy ! Component: 250 - total flux cleaned = -0.000264113 Jy ! Component: 300 - total flux cleaned = -0.0002134 Jy ! Component: 350 - total flux cleaned = -0.000213263 Jy ! Component: 400 - total flux cleaned = -0.000166773 Jy ! Component: 450 - total flux cleaned = -0.000144602 Jy ! Component: 500 - total flux cleaned = -0.000186202 Jy ! Component: 550 - total flux cleaned = -0.000206209 Jy ! Component: 600 - total flux cleaned = -0.000282074 Jy ! Component: 650 - total flux cleaned = -0.000281436 Jy ! Component: 700 - total flux cleaned = -0.000263637 Jy ! Component: 750 - total flux cleaned = -0.000213722 Jy ! Component: 800 - total flux cleaned = -0.000214057 Jy ! Component: 850 - total flux cleaned = -0.000229524 Jy ! Component: 900 - total flux cleaned = -0.000243895 Jy ! Component: 950 - total flux cleaned = -0.000258689 Jy ! Component: 1000 - total flux cleaned = -0.000273142 Jy ! Component: 1050 - total flux cleaned = -0.000300402 Jy ! Component: 1100 - total flux cleaned = -0.000352626 Jy ! Component: 1150 - total flux cleaned = -0.000365132 Jy ! Component: 1200 - total flux cleaned = -0.000365263 Jy ! Component: 1250 - total flux cleaned = -0.000425318 Jy ! Component: 1300 - total flux cleaned = -0.000448097 Jy ! Component: 1350 - total flux cleaned = -0.000481896 Jy ! Component: 1400 - total flux cleaned = -0.000526132 Jy ! Component: 1450 - total flux cleaned = -0.000601088 Jy ! Component: 1500 - total flux cleaned = -0.00062188 Jy ! Component: 1550 - total flux cleaned = -0.00065288 Jy ! Component: 1600 - total flux cleaned = -0.000712529 Jy ! Component: 1650 - total flux cleaned = -0.00078987 Jy ! Component: 1700 - total flux cleaned = -0.00083683 Jy ! Component: 1750 - total flux cleaned = -0.000891974 Jy ! Component: 1800 - total flux cleaned = -0.00096393 Jy ! Component: 1850 - total flux cleaned = -0.00100794 Jy ! Component: 1900 - total flux cleaned = -0.00106854 Jy ! Component: 1950 - total flux cleaned = -0.00112773 Jy ! Component: 2000 - total flux cleaned = -0.00116108 Jy ! Component: 2050 - total flux cleaned = -0.00119369 Jy ! Component: 2100 - total flux cleaned = -0.00122565 Jy ! Component: 2150 - total flux cleaned = -0.00123353 Jy ! Component: 2200 - total flux cleaned = -0.00124907 Jy ! Component: 2250 - total flux cleaned = -0.0012644 Jy ! Component: 2300 - total flux cleaned = -0.00127171 Jy ! Component: 2350 - total flux cleaned = -0.00127885 Jy ! Component: 2400 - total flux cleaned = -0.00126451 Jy ! Component: 2450 - total flux cleaned = -0.00128593 Jy ! Component: 2500 - total flux cleaned = -0.00129299 Jy ! Component: 2550 - total flux cleaned = -0.00130682 Jy ! Component: 2600 - total flux cleaned = -0.00132037 Jy ! Component: 2650 - total flux cleaned = -0.00131369 Jy ! Component: 2700 - total flux cleaned = -0.00132024 Jy ! Component: 2750 - total flux cleaned = -0.00131381 Jy ! Component: 2800 - total flux cleaned = -0.0013203 Jy ! Component: 2850 - total flux cleaned = -0.00133297 Jy ! Component: 2900 - total flux cleaned = -0.00135161 Jy ! Component: 2950 - total flux cleaned = -0.00136994 Jy ! Component: 3000 - total flux cleaned = -0.0013821 Jy ! Component: 3050 - total flux cleaned = -0.00139418 Jy ! Component: 3100 - total flux cleaned = -0.00141204 Jy ! Component: 3150 - total flux cleaned = -0.00142373 Jy ! Component: 3200 - total flux cleaned = -0.00142956 Jy ! Component: 3250 - total flux cleaned = -0.0014524 Jy ! Component: 3300 - total flux cleaned = -0.00146931 Jy ! Component: 3350 - total flux cleaned = -0.00148042 Jy ! Component: 3400 - total flux cleaned = -0.00148035 Jy ! Component: 3450 - total flux cleaned = -0.00146391 Jy ! Component: 3500 - total flux cleaned = -0.00146393 Jy ! Component: 3550 - total flux cleaned = -0.00146932 Jy ! Component: 3600 - total flux cleaned = -0.00146929 Jy ! Component: 3650 - total flux cleaned = -0.00143754 Jy ! Component: 3700 - total flux cleaned = -0.00142707 Jy ! Component: 3750 - total flux cleaned = -0.00141147 Jy ! Component: 3800 - total flux cleaned = -0.0013804 Jy ! Component: 3850 - total flux cleaned = -0.00135987 Jy ! Component: 3900 - total flux cleaned = -0.00135474 Jy ! Component: 3950 - total flux cleaned = -0.00133442 Jy ! Component: 4000 - total flux cleaned = -0.0013092 Jy ! Component: 4050 - total flux cleaned = -0.00128417 Jy ! Total flux subtracted in 4096 components = -0.00127422 Jy ! Clean residual min=-0.000304 max=0.000271 Jy/beam ! Clean residual mean=-0.000001 rms=0.000096 Jy/beam ! Combined flux in latest and established models = 0.11423 Jy keep ! Adding 365 model components to the UV plane model. ! The established model now contains 491 components and 0.11423 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J2020+2826_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.329 x 4.357 at 57.31 degrees (North through East) ! Clean map min=-0.0011615 max=0.045226 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J2020+2826_X_map.fits wmodel /image_prod/ug002_uva//J2020+2826_X_map.mod ! Writing 491 model components to file: /image_prod/ug002_uva//J2020+2826_X_map.mod wobs /image_prod/ug002_uva//J2020+2826_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J2020+2826_X_uvs.fits wwins /image_prod/ug002_uva//J2020+2826_X_map.win ! wwins: Wrote 2 windows to /image_prod/ug002_uva//J2020+2826_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0452263 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 8.63326e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.572671 0.572671 1.14534 2.29068 4.58137 9.16274 18.3255 36.6509 73.3019 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.045 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 523.861 quit ! Quitting program ! Log file /image_prod/ug002_uva//J2020+2826_X_dfm.log closed on Thu Mar 5 04:44:03 2020