! Started logfile: /image_prod/ug002_uva//J1921+4506_X_dfm.log on Thu Mar 5 04:08:38 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//J1921+4506_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1921+4506_X_uva.fits ! AN table 1: 60 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.782407 visibilities/baseline/integration-bin. ! Found source: J1921+4506 ! ! 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 20280 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 J1921+4506_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 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.008096Jy sigma=9.346180 ! Fit after self-cal, rms=0.893826Jy sigma=8.286835 ! 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=0.676 mas, bmaj=1.235 mas, bpa=-13.68 degrees ! Estimated noise=1.13613 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 = 0.0783561 Jy ! Component: 100 - total flux cleaned = 0.0981735 Jy ! Total flux subtracted in 100 components = 0.0981735 Jy ! Clean residual min=-0.004848 max=0.008377 Jy/beam ! Clean residual mean=-0.000009 rms=0.001120 Jy/beam ! Combined flux in latest and established models = 0.0981735 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0981735 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=0.060164Jy sigma=0.517340 ! Fit after self-cal, rms=0.059977Jy sigma=0.515904 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.009334 Jy ! Component: 100 - total flux cleaned = 0.0143363 Jy ! Total flux subtracted in 100 components = 0.0143363 Jy ! Clean residual min=-0.003910 max=0.005926 Jy/beam ! Clean residual mean=-0.000006 rms=0.000941 Jy/beam ! Combined flux in latest and established models = 0.11251 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 11 components and 0.11251 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=0.057935Jy sigma=0.496132 ! Fit after self-cal, rms=0.057939Jy sigma=0.496054 ! Inverting map ! Added new window around map position (-4.6, -0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00607388 Jy ! Component: 100 - total flux cleaned = 0.00976055 Jy ! Total flux subtracted in 100 components = 0.00976055 Jy ! Clean residual min=-0.003793 max=0.004953 Jy/beam ! Clean residual mean=-0.000005 rms=0.000825 Jy/beam ! Combined flux in latest and established models = 0.12227 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 20 components and 0.12227 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=0.057101Jy sigma=0.485397 ! Fit after self-cal, rms=0.057040Jy sigma=0.484920 ! Inverting map ! Added new window around map position (-3, 0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0047863 Jy ! Component: 100 - total flux cleaned = 0.00786155 Jy ! Total flux subtracted in 100 components = 0.00786155 Jy ! Clean residual min=-0.003605 max=0.003478 Jy/beam ! Clean residual mean=-0.000005 rms=0.000742 Jy/beam ! Combined flux in latest and established models = 0.130132 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 28 components and 0.130132 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=0.056426Jy sigma=0.478242 ! Fit after self-cal, rms=0.056395Jy sigma=0.477924 ! 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=0.8954 mas, bmaj=1.517 mas, bpa=-13.58 degrees ! Estimated noise=0.546654 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 (-5.8, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00519475 Jy ! Component: 100 - total flux cleaned = 0.00882008 Jy ! Component: 150 - total flux cleaned = 0.011603 Jy ! Component: 200 - total flux cleaned = 0.0138116 Jy ! Total flux subtracted in 200 components = 0.0138116 Jy ! Clean residual min=-0.002951 max=0.002433 Jy/beam ! Clean residual mean=-0.000014 rms=0.000636 Jy/beam ! Combined flux in latest and established models = 0.143943 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 60 components and 0.143943 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=0.055783Jy sigma=0.471445 ! Fit after self-cal, rms=0.055748Jy sigma=0.471035 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8954 x 1.517 at -13.58 degrees (North through East) ! Clean map min=-0.0027451 max=0.10731 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.06 HN 0.98 KP 1.06 ! LA 1.05 MK 1.02 OV 0.94 PT 0.87 ! SC 0.98 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.04 HN 0.97 KP 1.05 ! LA 1.06 MK 1.04 OV 0.93 PT 0.88 ! SC 0.97 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.03 HN 0.98 KP 1.05 ! LA 1.02 MK 1.03 OV 0.95 PT 0.93 ! SC 1.04 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 HN 0.97 KP 1.06 ! LA 0.99 MK 1.00 OV 0.94 PT 0.90 ! SC 1.05 ! ! ! Correcting IF 5. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.05 HN 0.96 KP 1.02 ! LA 1.01 MK 1.05 OV 0.93 PT 0.87 ! SC 1.03 ! ! ! Correcting IF 6. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.04 HN 1.01 KP 1.06 ! LA 1.02 MK 1.03 OV 0.93 PT 0.90 ! SC 0.99 ! ! ! Correcting IF 7. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.04 HN 0.95 KP 1.06 ! LA 1.04 MK 1.06 OV 0.92 PT 0.89 ! SC 0.98 ! ! ! Correcting IF 8. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.01 HN 0.99 KP 1.05 ! LA 1.01 MK 1.03 OV 0.91 PT 0.89 ! SC 0.99 ! ! ! Correcting IF 9. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 HN 1.03 KP 1.04 ! LA 1.01 MK 1.05 OV 0.93 PT 0.88 ! SC 1.03 ! ! ! Correcting IF 10. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.07 HN 0.97 KP 1.00 ! LA 1.04 MK 1.05 OV 0.96 PT 0.84 ! SC 1.04 ! ! ! Correcting IF 11. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.03 HN 0.99 KP 1.03 ! LA 1.02 MK 1.09 OV 0.89 PT 0.90 ! SC 1.01 ! ! ! Correcting IF 12. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.03 HN 1.03 KP 1.04 ! LA 1.04 MK 1.07 OV 0.90 PT 0.87 ! SC 0.98 ! ! ! Fit before self-cal, rms=0.055748Jy sigma=0.471035 ! Fit after self-cal, rms=0.054461Jy sigma=0.464713 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9059 mas, bmaj=1.532 mas, bpa=-13.49 degrees ! Estimated noise=0.540747 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 = 0.00192136 Jy ! Component: 100 - total flux cleaned = 0.00315353 Jy ! Component: 150 - total flux cleaned = 0.00392626 Jy ! Component: 200 - total flux cleaned = 0.00427045 Jy ! Total flux subtracted in 200 components = 0.00427045 Jy ! Clean residual min=-0.001308 max=0.001293 Jy/beam ! Clean residual mean=-0.000004 rms=0.000303 Jy/beam ! Combined flux in latest and established models = 0.148214 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 73 components and 0.148214 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=0.054383Jy sigma=0.463833 ! Fit after self-cal, rms=0.054387Jy sigma=0.463661 ! 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=0.054387Jy sigma=0.463661 ! Fit after self-cal, rms=0.054542Jy sigma=0.461985 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9046 mas, bmaj=1.529 mas, bpa=-13.25 degrees ! Estimated noise=0.541287 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000818392 Jy ! Component: 100 - total flux cleaned = 0.00106337 Jy ! Component: 150 - total flux cleaned = 0.00120858 Jy ! Component: 200 - total flux cleaned = 0.00130076 Jy ! Total flux subtracted in 200 components = 0.00130076 Jy ! Clean residual min=-0.001057 max=0.001102 Jy/beam ! Clean residual mean=-0.000002 rms=0.000245 Jy/beam ! Combined flux in latest and established models = 0.149515 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 85 components and 0.149515 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=0.054522Jy sigma=0.461798 ! Fit after self-cal, rms=0.054528Jy sigma=0.461761 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 (14.2, 26.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000914395 Jy ! Component: 100 - total flux cleaned = 0.00108648 Jy ! Component: 150 - total flux cleaned = 0.00125498 Jy ! Component: 200 - total flux cleaned = 0.00135185 Jy ! Total flux subtracted in 200 components = 0.00135185 Jy ! Clean residual min=-0.000954 max=0.001009 Jy/beam ! Clean residual mean=-0.000001 rms=0.000234 Jy/beam ! Combined flux in latest and established models = 0.150867 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 105 components and 0.150867 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=0.054500Jy sigma=0.461556 ! Fit after self-cal, rms=0.054498Jy sigma=0.461548 ! Inverting map ! Added new window around map position (-11.2, -6.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000513885 Jy ! Component: 100 - total flux cleaned = 0.000766053 Jy ! Component: 150 - total flux cleaned = 0.000861012 Jy ! Component: 200 - total flux cleaned = 0.000914265 Jy ! Total flux subtracted in 200 components = 0.000914265 Jy ! Clean residual min=-0.000932 max=0.000920 Jy/beam ! Clean residual mean=-0.000001 rms=0.000223 Jy/beam ! Combined flux in latest and established models = 0.151781 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 122 components and 0.151781 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=0.054479Jy sigma=0.461372 ! Fit after self-cal, rms=0.054477Jy sigma=0.461364 ! 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=0.054477Jy sigma=0.461364 ! Fit after self-cal, rms=0.054477Jy sigma=0.461331 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9048 mas, bmaj=1.531 mas, bpa=-13.19 degrees ! Estimated noise=0.541023 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000380952 Jy ! Component: 100 - total flux cleaned = 0.000490147 Jy ! Component: 150 - total flux cleaned = 0.00054156 Jy ! Component: 200 - total flux cleaned = 0.000573897 Jy ! Total flux subtracted in 200 components = 0.000573897 Jy ! Clean residual min=-0.000904 max=0.000911 Jy/beam ! Clean residual mean=-0.000001 rms=0.000213 Jy/beam ! Combined flux in latest and established models = 0.152355 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 128 components and 0.152355 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=0.054465Jy sigma=0.461237 ! Fit after self-cal, rms=0.054466Jy sigma=0.461235 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 (-44.6, -11). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000704738 Jy ! Component: 100 - total flux cleaned = 0.000968562 Jy ! Component: 150 - total flux cleaned = 0.0010326 Jy ! Component: 200 - total flux cleaned = 0.00112374 Jy ! Total flux subtracted in 200 components = 0.00112374 Jy ! Clean residual min=-0.000905 max=0.000837 Jy/beam ! Clean residual mean=-0.000002 rms=0.000206 Jy/beam ! Combined flux in latest and established models = 0.153478 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 137 components and 0.153479 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=0.054451Jy sigma=0.461105 ! Fit after self-cal, rms=0.054449Jy sigma=0.461101 ! 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=0.054449Jy sigma=0.461101 ! Fit after self-cal, rms=0.054450Jy sigma=0.461091 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.416 mas, bmaj=2.587 mas, bpa=3.309 degrees ! Estimated noise=0.684432 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000574205 Jy ! Component: 100 - total flux cleaned = 0.000904506 Jy ! Component: 150 - total flux cleaned = 0.000992188 Jy ! Component: 200 - total flux cleaned = 0.00106003 Jy ! Total flux subtracted in 200 components = 0.00106003 Jy ! Clean residual min=-0.000818 max=0.000754 Jy/beam ! Clean residual mean=-0.000003 rms=0.000206 Jy/beam ! Combined flux in latest and established models = 0.154539 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 149 components and 0.154539 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=0.054446Jy sigma=0.461060 ! Fit after self-cal, rms=0.054447Jy sigma=0.461055 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.50904e-05 Jy ! Component: 100 - total flux cleaned = 0.000158626 Jy ! Component: 150 - total flux cleaned = 0.000205716 Jy ! Component: 200 - total flux cleaned = 0.00024004 Jy ! Total flux subtracted in 200 components = 0.00024004 Jy ! Clean residual min=-0.000806 max=0.000736 Jy/beam ! Clean residual mean=-0.000003 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.154779 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 152 components and 0.154779 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=0.054445Jy sigma=0.461047 ! Fit after self-cal, rms=0.054445Jy sigma=0.461043 ! 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=0.9049 mas, bmaj=1.532 mas, bpa=-13.15 degrees ! Estimated noise=0.540866 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9049 x 1.532 at -13.15 degrees (North through East) ! Clean map min=-0.00084614 max=0.10614 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=0.6826 mas, bmaj=1.241 mas, bpa=-13.09 degrees ! Estimated noise=1.16228 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0784599 Jy ! Component: 100 - total flux cleaned = 0.0982566 Jy ! Component: 150 - total flux cleaned = 0.10772 Jy ! Component: 200 - total flux cleaned = 0.114638 Jy ! Total flux subtracted in 200 components = 0.114638 Jy ! Clean residual min=-0.003226 max=0.004380 Jy/beam ! Clean residual mean=-0.000005 rms=0.000796 Jy/beam ! Combined flux in latest and established models = 0.114638 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.114638 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9049 mas, bmaj=1.532 mas, bpa=-13.15 degrees ! Estimated noise=0.540866 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) ! Added new window around map position (-3.8, 0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00851524 Jy ! Component: 100 - total flux cleaned = 0.0143981 Jy ! Component: 150 - total flux cleaned = 0.018739 Jy ! Component: 200 - total flux cleaned = 0.0220528 Jy ! Total flux subtracted in 200 components = 0.0220528 Jy ! Clean residual min=-0.001489 max=0.002347 Jy/beam ! Clean residual mean=-0.000010 rms=0.000450 Jy/beam ! Combined flux in latest and established models = 0.136691 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 51 components and 0.136691 Jy ! Inverting map ! Added new window around map position (-1.2, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00269473 Jy ! Component: 100 - total flux cleaned = 0.00480834 Jy ! Component: 150 - total flux cleaned = 0.00653051 Jy ! Component: 200 - total flux cleaned = 0.00796826 Jy ! Total flux subtracted in 200 components = 0.00796826 Jy ! Clean residual min=-0.001162 max=0.001226 Jy/beam ! Clean residual mean=-0.000005 rms=0.000288 Jy/beam ! Combined flux in latest and established models = 0.144659 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 84 components and 0.144659 Jy ! Inverting map ! Added new window around map position (-33.4, 28.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00131879 Jy ! Component: 100 - total flux cleaned = 0.00242001 Jy ! Component: 150 - total flux cleaned = 0.00340031 Jy ! Component: 200 - total flux cleaned = 0.00427879 Jy ! Total flux subtracted in 200 components = 0.00427879 Jy ! Clean residual min=-0.001062 max=0.000961 Jy/beam ! Clean residual mean=-0.000004 rms=0.000237 Jy/beam ! Combined flux in latest and established models = 0.148938 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 103 components and 0.148938 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=2.416 mas, bmaj=2.587 mas, bpa=3.309 degrees ! Estimated noise=0.684432 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00127996 Jy ! Component: 100 - total flux cleaned = 0.00217087 Jy ! Component: 150 - total flux cleaned = 0.00285217 Jy ! Component: 200 - total flux cleaned = 0.00339271 Jy ! Total flux subtracted in 200 components = 0.00339271 Jy ! Clean residual min=-0.000916 max=0.000830 Jy/beam ! Clean residual mean=-0.000005 rms=0.000229 Jy/beam ! Combined flux in latest and established models = 0.152331 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 = 0.000446573 Jy ! Component: 100 - total flux cleaned = 0.000836998 Jy ! Component: 150 - total flux cleaned = 0.00108773 Jy ! Component: 200 - total flux cleaned = 0.00126602 Jy ! Total flux subtracted in 200 components = 0.00126602 Jy ! Clean residual min=-0.000858 max=0.000775 Jy/beam ! Clean residual mean=-0.000004 rms=0.000211 Jy/beam ! Combined flux in latest and established models = 0.153597 Jy ! Adding 68 model components to the UV plane model. ! The established model now contains 160 components and 0.153597 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9049 mas, bmaj=1.532 mas, bpa=-13.15 degrees ! Estimated noise=0.540866 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.85933e-05 Jy ! Component: 100 - total flux cleaned = 0.000215225 Jy ! Component: 150 - total flux cleaned = 0.000299221 Jy ! Component: 200 - total flux cleaned = 0.000378442 Jy ! Total flux subtracted in 200 components = 0.000378442 Jy ! Clean residual min=-0.000887 max=0.000841 Jy/beam ! Clean residual mean=-0.000002 rms=0.000201 Jy/beam ! Combined flux in latest and established models = 0.153975 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 183 components and 0.153975 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=0.054456Jy sigma=0.461112 ! Fit after self-cal, rms=0.054451Jy sigma=0.461071 wmodel J1921+4506_X_map.mod ! Writing 183 model components to file: J1921+4506_X_map.mod wobs J1921+4506_X_uvs.fits ! Writing UV FITS file: J1921+4506_X_uvs.fits wwins J1921+4506_X_map.win ! wwins: Wrote 10 windows to J1921+4506_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 = -0.000156733 Jy ! Component: 100 - total flux cleaned = -0.00036319 Jy ! Component: 150 - total flux cleaned = -0.000534488 Jy ! Component: 200 - total flux cleaned = -0.000673174 Jy ! Component: 250 - total flux cleaned = -0.000781401 Jy ! Component: 300 - total flux cleaned = -0.000887484 Jy ! Component: 350 - total flux cleaned = -0.000991277 Jy ! Component: 400 - total flux cleaned = -0.00109319 Jy ! Component: 450 - total flux cleaned = -0.00119292 Jy ! Component: 500 - total flux cleaned = -0.00129071 Jy ! Component: 550 - total flux cleaned = -0.00138671 Jy ! Component: 600 - total flux cleaned = -0.00145746 Jy ! Component: 650 - total flux cleaned = -0.00153882 Jy ! Component: 700 - total flux cleaned = -0.00161891 Jy ! Component: 750 - total flux cleaned = -0.00166399 Jy ! Component: 800 - total flux cleaned = -0.00169724 Jy ! Component: 850 - total flux cleaned = -0.00171912 Jy ! Component: 900 - total flux cleaned = -0.00174084 Jy ! Component: 950 - total flux cleaned = -0.0017836 Jy ! Component: 1000 - total flux cleaned = -0.00183665 Jy ! Component: 1050 - total flux cleaned = -0.00187855 Jy ! Component: 1100 - total flux cleaned = -0.0019199 Jy ! Component: 1150 - total flux cleaned = -0.00193027 Jy ! Component: 1200 - total flux cleaned = -0.00196076 Jy ! Component: 1250 - total flux cleaned = -0.001981 Jy ! Component: 1300 - total flux cleaned = -0.0020108 Jy ! Component: 1350 - total flux cleaned = -0.00201085 Jy ! Component: 1400 - total flux cleaned = -0.00203032 Jy ! Component: 1450 - total flux cleaned = -0.00200122 Jy ! Component: 1500 - total flux cleaned = -0.00201098 Jy ! Component: 1550 - total flux cleaned = -0.00202043 Jy ! Component: 1600 - total flux cleaned = -0.00202047 Jy ! Component: 1650 - total flux cleaned = -0.00202984 Jy ! Component: 1700 - total flux cleaned = -0.00200185 Jy ! Component: 1750 - total flux cleaned = -0.00199262 Jy ! Component: 1800 - total flux cleaned = -0.0019927 Jy ! Component: 1850 - total flux cleaned = -0.00202918 Jy ! Component: 1900 - total flux cleaned = -0.00203812 Jy ! Component: 1950 - total flux cleaned = -0.00197514 Jy ! Component: 2000 - total flux cleaned = -0.00198415 Jy ! Component: 2050 - total flux cleaned = -0.00200199 Jy ! Component: 2100 - total flux cleaned = -0.00202843 Jy ! Component: 2150 - total flux cleaned = -0.00206341 Jy ! Component: 2200 - total flux cleaned = -0.00208941 Jy ! Component: 2250 - total flux cleaned = -0.00208074 Jy ! Component: 2300 - total flux cleaned = -0.00210643 Jy ! Component: 2350 - total flux cleaned = -0.0020979 Jy ! Component: 2400 - total flux cleaned = -0.00211483 Jy ! Component: 2450 - total flux cleaned = -0.00213157 Jy ! Component: 2500 - total flux cleaned = -0.00211485 Jy ! Component: 2550 - total flux cleaned = -0.00215645 Jy ! Component: 2600 - total flux cleaned = -0.00217291 Jy ! Component: 2650 - total flux cleaned = -0.00216467 Jy ! Component: 2700 - total flux cleaned = -0.00219731 Jy ! Component: 2750 - total flux cleaned = -0.00218918 Jy ! Component: 2800 - total flux cleaned = -0.0022214 Jy ! Component: 2850 - total flux cleaned = -0.00222136 Jy ! Component: 2900 - total flux cleaned = -0.0022294 Jy ! Component: 2950 - total flux cleaned = -0.00220562 Jy ! Component: 3000 - total flux cleaned = -0.00220566 Jy ! Component: 3050 - total flux cleaned = -0.00222915 Jy ! Component: 3100 - total flux cleaned = -0.00225252 Jy ! Component: 3150 - total flux cleaned = -0.00223708 Jy ! Component: 3200 - total flux cleaned = -0.0022601 Jy ! Component: 3250 - total flux cleaned = -0.00225242 Jy ! Component: 3300 - total flux cleaned = -0.00222954 Jy ! Component: 3350 - total flux cleaned = -0.00224478 Jy ! Component: 3400 - total flux cleaned = -0.00225234 Jy ! Component: 3450 - total flux cleaned = -0.00222229 Jy ! Component: 3500 - total flux cleaned = -0.00224468 Jy ! Component: 3550 - total flux cleaned = -0.00224473 Jy ! Component: 3600 - total flux cleaned = -0.00225209 Jy ! Component: 3650 - total flux cleaned = -0.00224466 Jy ! Component: 3700 - total flux cleaned = -0.00223735 Jy ! Component: 3750 - total flux cleaned = -0.00223731 Jy ! Component: 3800 - total flux cleaned = -0.00222283 Jy ! Component: 3850 - total flux cleaned = -0.00220848 Jy ! Component: 3900 - total flux cleaned = -0.00223007 Jy ! Component: 3950 - total flux cleaned = -0.00225154 Jy ! Component: 4000 - total flux cleaned = -0.00225867 Jy ! Component: 4050 - total flux cleaned = -0.00227989 Jy ! Total flux subtracted in 4096 components = -0.00227279 Jy ! Clean residual min=-0.000467 max=0.000399 Jy/beam ! Clean residual mean=-0.000000 rms=0.000115 Jy/beam ! Combined flux in latest and established models = 0.151703 Jy keep ! Adding 292 model components to the UV plane model. ! The established model now contains 475 components and 0.151703 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1921+4506_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9049 x 1.532 at -13.15 degrees (North through East) ! Clean map min=-0.00067576 max=0.10601 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1921+4506_X_map.fits wmodel /image_prod/ug002_uva//J1921+4506_X_map.mod ! Writing 475 model components to file: /image_prod/ug002_uva//J1921+4506_X_map.mod wobs /image_prod/ug002_uva//J1921+4506_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1921+4506_X_uvs.fits wwins /image_prod/ug002_uva//J1921+4506_X_map.win ! wwins: Wrote 11 windows to /image_prod/ug002_uva//J1921+4506_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.106012 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000114241 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.323285 0.323285 0.64657 1.29314 2.58628 5.17256 10.3451 20.6902 41.3805 82.761 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.106 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 927.973 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1921+4506_X_dfm.log closed on Thu Mar 5 04:08:43 2020