! Started logfile: /image_prod/ug002_uva//J1755+6236_X_a_dfm.log on Thu Mar 5 03:32:39 2020 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /image_prod/ug002_uva//J1755+6236_X_a_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1755+6236_X_a_uva.fits ! AN table 1: 113 integrations on 15 of 15 possible baselines. ! Apparent sampling: 0.775811 visibilities/baseline/integration-bin. ! Found source: J1755+6236 ! ! 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 121 lines of history. ! ! Reading 15780 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 12 channels. ! Selecting polarization: RR, channels: 1..12 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J1755+6236_X_a] 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 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.001225Jy sigma=9.586801 ! Fit after self-cal, rms=0.973630Jy sigma=9.321512 ! 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=0.9316 mas, bmaj=1.782 mas, bpa=-65.1 degrees ! Estimated noise=1.55613 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 = 0.021882 Jy ! Component: 100 - total flux cleaned = 0.0269226 Jy ! Total flux subtracted in 100 components = 0.0269226 Jy ! Clean residual min=-0.003197 max=0.003303 Jy/beam ! Clean residual mean=0.000003 rms=0.000757 Jy/beam ! Combined flux in latest and established models = 0.0269226 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0269226 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=0.042151Jy sigma=0.379419 ! Fit after self-cal, rms=0.040684Jy sigma=0.365225 ! 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=1.321 mas, bmaj=2.184 mas, bpa=-72.47 degrees ! Estimated noise=0.597805 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 = 0.00230371 Jy ! Component: 100 - total flux cleaned = 0.00242393 Jy ! Component: 150 - total flux cleaned = 0.0023184 Jy ! Component: 200 - total flux cleaned = 0.00220552 Jy ! Total flux subtracted in 200 components = 0.00220552 Jy ! Clean residual min=-0.001757 max=0.002334 Jy/beam ! Clean residual mean=0.000005 rms=0.000526 Jy/beam ! Combined flux in latest and established models = 0.0291281 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 12 components and 0.0291281 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=0.040563Jy sigma=0.364030 ! Fit after self-cal, rms=0.040544Jy sigma=0.363932 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.321 x 2.184 at -72.47 degrees (North through East) ! Clean map min=-0.0016835 max=0.02976 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00 KP 1.18 LA 1.08 ! MK 1.07 OV 0.93 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.90 KP 1.24 LA 1.07 ! MK 1.13 OV 1.03 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 0.95 KP 1.34 LA 0.96 ! MK 0.99 OV 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.01 KP 1.27 LA 0.97 ! MK 1.06 OV 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.96 KP 1.25 LA 0.98 ! MK 1.05 OV 0.91 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.84 FD 1.04 KP 1.12 LA 1.05 ! MK 1.09 OV 0.95 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.03 KP 1.25 LA 0.92 ! MK 1.11 OV 0.93 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 0.93 KP 1.31 LA 1.05 ! MK 0.96 OV 0.86 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.85 FD 0.83 KP 1.35 LA 1.07 ! MK 0.96 OV 0.82 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.87 KP 1.17 LA 0.90 ! MK 0.98 OV 0.97 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.79 FD 0.91 KP 1.30 LA 0.92 ! MK 0.89 OV 0.81 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.80 FD 0.78 KP 1.15 LA 1.05 ! MK 0.81 OV 0.86 ! ! ! Fit before self-cal, rms=0.040544Jy sigma=0.363932 ! Fit after self-cal, rms=0.039521Jy sigma=0.360394 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.321 mas, bmaj=2.162 mas, bpa=-73.19 degrees ! Estimated noise=0.589887 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 = 9.85316e-05 Jy ! Component: 100 - total flux cleaned = 0.000116424 Jy ! Component: 150 - total flux cleaned = 0.000123779 Jy ! Component: 200 - total flux cleaned = 0.000143946 Jy ! Total flux subtracted in 200 components = 0.000143946 Jy ! Clean residual min=-0.001250 max=0.001025 Jy/beam ! Clean residual mean=-0.000002 rms=0.000301 Jy/beam ! Combined flux in latest and established models = 0.029272 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 20 components and 0.029272 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=0.039517Jy sigma=0.360357 ! Fit after self-cal, rms=0.039729Jy sigma=0.359402 ! 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=0.039729Jy sigma=0.359402 ! Fit after self-cal, rms=0.040806Jy sigma=0.358101 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.321 mas, bmaj=2.162 mas, bpa=-72.7 degrees ! Estimated noise=0.590745 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -7.26834e-05 Jy ! Component: 100 - total flux cleaned = -6.18063e-05 Jy ! Component: 150 - total flux cleaned = -5.17217e-05 Jy ! Component: 200 - total flux cleaned = -4.68056e-05 Jy ! Total flux subtracted in 200 components = -4.68056e-05 Jy ! Clean residual min=-0.000962 max=0.000863 Jy/beam ! Clean residual mean=-0.000001 rms=0.000218 Jy/beam ! Combined flux in latest and established models = 0.0292252 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 25 components and 0.0292252 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=0.040804Jy sigma=0.358091 ! Fit after self-cal, rms=0.040940Jy sigma=0.357656 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 = -0.00012527 Jy ! Component: 100 - total flux cleaned = -0.00013787 Jy ! Component: 150 - total flux cleaned = -0.000132604 Jy ! Component: 200 - total flux cleaned = -0.000137492 Jy ! Total flux subtracted in 200 components = -0.000137492 Jy ! Clean residual min=-0.000978 max=0.000862 Jy/beam ! Clean residual mean=-0.000000 rms=0.000226 Jy/beam ! Combined flux in latest and established models = 0.0290877 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 29 components and 0.0290877 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=0.040938Jy sigma=0.357643 ! Fit after self-cal, rms=0.040941Jy sigma=0.357620 ! 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=0.040941Jy sigma=0.357620 ! Fit after self-cal, rms=0.041380Jy sigma=0.357492 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.324 mas, bmaj=2.161 mas, bpa=-72.99 degrees ! Estimated noise=0.589453 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.47336e-05 Jy ! Component: 100 - total flux cleaned = -4.94388e-05 Jy ! Component: 150 - total flux cleaned = -3.94362e-05 Jy ! Component: 200 - total flux cleaned = -3.04426e-05 Jy ! Total flux subtracted in 200 components = -3.04426e-05 Jy ! Clean residual min=-0.000975 max=0.000822 Jy/beam ! Clean residual mean=-0.000001 rms=0.000220 Jy/beam ! Combined flux in latest and established models = 0.0290573 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 30 components and 0.0290573 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=0.041378Jy sigma=0.357483 ! Fit after self-cal, rms=0.041449Jy sigma=0.357373 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 = -4.49828e-05 Jy ! Component: 100 - total flux cleaned = -3.01646e-05 Jy ! Component: 150 - total flux cleaned = -1.6741e-05 Jy ! Component: 200 - total flux cleaned = -1.65974e-05 Jy ! Total flux subtracted in 200 components = -1.65974e-05 Jy ! Clean residual min=-0.000966 max=0.000799 Jy/beam ! Clean residual mean=-0.000001 rms=0.000212 Jy/beam ! Combined flux in latest and established models = 0.0290407 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 31 components and 0.0290407 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=0.041447Jy sigma=0.357364 ! Fit after self-cal, rms=0.041450Jy sigma=0.357360 ! 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=0.041450Jy sigma=0.357360 ! Fit after self-cal, rms=0.041598Jy sigma=0.357331 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.566 mas, bmaj=3.723 mas, bpa=73.53 degrees ! Estimated noise=0.662175 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.21447e-05 Jy ! Component: 100 - total flux cleaned = 3.2372e-05 Jy ! Component: 150 - total flux cleaned = 4.02475e-05 Jy ! Component: 200 - total flux cleaned = 5.49721e-05 Jy ! Total flux subtracted in 200 components = 5.49721e-05 Jy ! Clean residual min=-0.000833 max=0.000817 Jy/beam ! Clean residual mean=-0.000001 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.0290957 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 34 components and 0.0290957 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=0.041597Jy sigma=0.357326 ! Fit after self-cal, rms=0.041631Jy sigma=0.357236 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 = 1.90448e-05 Jy ! Component: 100 - total flux cleaned = 1.93413e-05 Jy ! Component: 150 - total flux cleaned = 2.59803e-05 Jy ! Component: 200 - total flux cleaned = 3.78806e-05 Jy ! Total flux subtracted in 200 components = 3.78806e-05 Jy ! Clean residual min=-0.000802 max=0.000783 Jy/beam ! Clean residual mean=-0.000001 rms=0.000222 Jy/beam ! Combined flux in latest and established models = 0.0291336 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 35 components and 0.0291336 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=0.041630Jy sigma=0.357236 ! Fit after self-cal, rms=0.041627Jy sigma=0.357208 ! 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=1.325 mas, bmaj=2.159 mas, bpa=-73.16 degrees ! Estimated noise=0.588165 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.325 x 2.159 at -73.16 degrees (North through East) ! Clean map min=-0.00084692 max=0.029026 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=0.9388 mas, bmaj=1.777 mas, bpa=-65.11 degrees ! Estimated noise=1.51474 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0227409 Jy ! Component: 100 - total flux cleaned = 0.0278979 Jy ! Component: 150 - total flux cleaned = 0.0296245 Jy ! Component: 200 - total flux cleaned = 0.030305 Jy ! Total flux subtracted in 200 components = 0.030305 Jy ! Clean residual min=-0.002234 max=0.002043 Jy/beam ! Clean residual mean=-0.000000 rms=0.000541 Jy/beam ! Combined flux in latest and established models = 0.030305 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.030305 Jy ! Inverting map and beam ! Estimated beam: bmin=1.325 mas, bmaj=2.159 mas, bpa=-73.16 degrees ! Estimated noise=0.588165 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 = -0.000752988 Jy ! Component: 100 - total flux cleaned = -0.000898288 Jy ! Component: 150 - total flux cleaned = -0.000944279 Jy ! Component: 200 - total flux cleaned = -0.00097227 Jy ! Total flux subtracted in 200 components = -0.00097227 Jy ! Clean residual min=-0.000912 max=0.000802 Jy/beam ! Clean residual mean=-0.000000 rms=0.000212 Jy/beam ! Combined flux in latest and established models = 0.0293328 Jy ! Adding 9 model components to the UV plane model. ! The established model now contains 19 components and 0.0293328 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=2.566 mas, bmaj=3.723 mas, bpa=73.53 degrees ! Estimated noise=0.662175 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.60637e-06 Jy ! Component: 100 - total flux cleaned = -8.42731e-06 Jy ! Component: 150 - total flux cleaned = -8.27265e-06 Jy ! Component: 200 - total flux cleaned = -3.60875e-06 Jy ! Total flux subtracted in 200 components = -3.60875e-06 Jy ! Clean residual min=-0.000814 max=0.000794 Jy/beam ! Clean residual mean=-0.000001 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.0293292 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 = 1.52672e-07 Jy ! Component: 100 - total flux cleaned = 2.33789e-06 Jy ! Component: 150 - total flux cleaned = 4.41154e-06 Jy ! Component: 200 - total flux cleaned = 6.51882e-06 Jy ! Total flux subtracted in 200 components = 6.51882e-06 Jy ! Clean residual min=-0.000814 max=0.000792 Jy/beam ! Clean residual mean=-0.000001 rms=0.000224 Jy/beam ! Combined flux in latest and established models = 0.0293357 Jy ! Adding 13 model components to the UV plane model. ! The established model now contains 29 components and 0.0293357 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.325 mas, bmaj=2.159 mas, bpa=-73.16 degrees ! Estimated noise=0.588165 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.61832e-05 Jy ! Component: 100 - total flux cleaned = -4.75399e-05 Jy ! Component: 150 - total flux cleaned = -5.23334e-05 Jy ! Component: 200 - total flux cleaned = -6.08497e-05 Jy ! Total flux subtracted in 200 components = -6.08497e-05 Jy ! Clean residual min=-0.000883 max=0.000783 Jy/beam ! Clean residual mean=-0.000001 rms=0.000209 Jy/beam ! Combined flux in latest and established models = 0.0292748 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 37 components and 0.0292748 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=0.041626Jy sigma=0.357215 ! Fit after self-cal, rms=0.041632Jy sigma=0.357208 wmodel J1755+6236_X_a_map.mod ! Writing 37 model components to file: J1755+6236_X_a_map.mod wobs J1755+6236_X_a_uvs.fits ! Writing UV FITS file: J1755+6236_X_a_uvs.fits wwins J1755+6236_X_a_map.win ! wwins: Wrote 1 windows to J1755+6236_X_a_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 = -0.000309867 Jy ! Component: 100 - total flux cleaned = -0.000436646 Jy ! Component: 150 - total flux cleaned = -0.00056505 Jy ! Component: 200 - total flux cleaned = -0.000649244 Jy ! Component: 250 - total flux cleaned = -0.000762099 Jy ! Component: 300 - total flux cleaned = -0.000848539 Jy ! Component: 350 - total flux cleaned = -0.000931479 Jy ! Component: 400 - total flux cleaned = -0.00101187 Jy ! Component: 450 - total flux cleaned = -0.00105104 Jy ! Component: 500 - total flux cleaned = -0.0010988 Jy ! Component: 550 - total flux cleaned = -0.0011361 Jy ! Component: 600 - total flux cleaned = -0.00117224 Jy ! Component: 650 - total flux cleaned = -0.00120745 Jy ! Component: 700 - total flux cleaned = -0.00125025 Jy ! Component: 750 - total flux cleaned = -0.00126685 Jy ! Component: 800 - total flux cleaned = -0.00129147 Jy ! Component: 850 - total flux cleaned = -0.00131561 Jy ! Component: 900 - total flux cleaned = -0.00132348 Jy ! Component: 950 - total flux cleaned = -0.00130057 Jy ! Component: 1000 - total flux cleaned = -0.00127805 Jy ! Component: 1050 - total flux cleaned = -0.00128545 Jy ! Component: 1100 - total flux cleaned = -0.0012636 Jy ! Component: 1150 - total flux cleaned = -0.00124949 Jy ! Component: 1200 - total flux cleaned = -0.00125651 Jy ! Component: 1250 - total flux cleaned = -0.00126341 Jy ! Component: 1300 - total flux cleaned = -0.00127694 Jy ! Component: 1350 - total flux cleaned = -0.00127047 Jy ! Component: 1400 - total flux cleaned = -0.00127717 Jy ! Component: 1450 - total flux cleaned = -0.00129658 Jy ! Component: 1500 - total flux cleaned = -0.00131559 Jy ! Component: 1550 - total flux cleaned = -0.00132807 Jy ! Component: 1600 - total flux cleaned = -0.00132192 Jy ! Component: 1650 - total flux cleaned = -0.00130967 Jy ! Component: 1700 - total flux cleaned = -0.00132785 Jy ! Component: 1750 - total flux cleaned = -0.00132185 Jy ! Component: 1800 - total flux cleaned = -0.00132768 Jy ! Component: 1850 - total flux cleaned = -0.00134515 Jy ! Component: 1900 - total flux cleaned = -0.00133933 Jy ! Component: 1950 - total flux cleaned = -0.00134508 Jy ! Component: 2000 - total flux cleaned = -0.00137332 Jy ! Component: 2050 - total flux cleaned = -0.00139563 Jy ! Component: 2100 - total flux cleaned = -0.00140111 Jy ! Component: 2150 - total flux cleaned = -0.00142297 Jy ! Component: 2200 - total flux cleaned = -0.00145007 Jy ! Component: 2250 - total flux cleaned = -0.00147692 Jy ! Component: 2300 - total flux cleaned = -0.00149825 Jy ! Component: 2350 - total flux cleaned = -0.0015088 Jy ! Component: 2400 - total flux cleaned = -0.00154035 Jy ! Component: 2450 - total flux cleaned = -0.00156118 Jy ! Component: 2500 - total flux cleaned = -0.00157145 Jy ! Component: 2550 - total flux cleaned = -0.00159707 Jy ! Component: 2600 - total flux cleaned = -0.00161236 Jy ! Component: 2650 - total flux cleaned = -0.00163257 Jy ! Component: 2700 - total flux cleaned = -0.00165268 Jy ! Component: 2750 - total flux cleaned = -0.00168268 Jy ! Component: 2800 - total flux cleaned = -0.00171732 Jy ! Component: 2850 - total flux cleaned = -0.00173208 Jy ! Component: 2900 - total flux cleaned = -0.00176143 Jy ! Component: 2950 - total flux cleaned = -0.00178083 Jy ! Component: 3000 - total flux cleaned = -0.00180013 Jy ! Component: 3050 - total flux cleaned = -0.00180973 Jy ! Component: 3100 - total flux cleaned = -0.001824 Jy ! Component: 3150 - total flux cleaned = -0.00183349 Jy ! Component: 3200 - total flux cleaned = -0.0018429 Jy ! Component: 3250 - total flux cleaned = -0.00186169 Jy ! Component: 3300 - total flux cleaned = -0.00187103 Jy ! Component: 3350 - total flux cleaned = -0.00189887 Jy ! Component: 3400 - total flux cleaned = -0.00190813 Jy ! Component: 3450 - total flux cleaned = -0.00193112 Jy ! Component: 3500 - total flux cleaned = -0.00194024 Jy ! Component: 3550 - total flux cleaned = -0.00195389 Jy ! Component: 3600 - total flux cleaned = -0.00198102 Jy ! Component: 3650 - total flux cleaned = -0.00198548 Jy ! Component: 3700 - total flux cleaned = -0.00199891 Jy ! Component: 3750 - total flux cleaned = -0.00201678 Jy ! Component: 3800 - total flux cleaned = -0.00201679 Jy ! Component: 3850 - total flux cleaned = -0.00203451 Jy ! Component: 3900 - total flux cleaned = -0.00205653 Jy ! Component: 3950 - total flux cleaned = -0.00208723 Jy ! Component: 4000 - total flux cleaned = -0.00208282 Jy ! Component: 4050 - total flux cleaned = -0.0020959 Jy ! Total flux subtracted in 4096 components = -0.00211325 Jy ! Clean residual min=-0.000261 max=0.000256 Jy/beam ! Clean residual mean=-0.000000 rms=0.000072 Jy/beam ! Combined flux in latest and established models = 0.0271616 Jy keep ! Adding 239 model components to the UV plane model. ! The established model now contains 276 components and 0.0271616 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1755+6236_X_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.325 x 2.159 at -73.16 degrees (North through East) ! Clean map min=-0.00055277 max=0.028657 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1755+6236_X_a_map.fits wmodel /image_prod/ug002_uva//J1755+6236_X_a_map.mod ! Writing 276 model components to file: /image_prod/ug002_uva//J1755+6236_X_a_map.mod wobs /image_prod/ug002_uva//J1755+6236_X_a_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1755+6236_X_a_uvs.fits wwins /image_prod/ug002_uva//J1755+6236_X_a_map.win ! wwins: Wrote 2 windows to /image_prod/ug002_uva//J1755+6236_X_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0286566 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 6.95117e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.727704 0.727704 1.45541 2.91081 5.82163 11.6433 23.2865 46.573 93.1461 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.028 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 412.255 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1755+6236_X_a_dfm.log closed on Thu Mar 5 03:32:43 2020