! Started logfile: /image_prod/ug002_uva//J1641+2257_X_b_dfm.log on Thu Mar 5 02:52:29 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//J1641+2257_X_b_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1641+2257_X_b_uva.fits ! AN table 1: 23 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.86715 visibilities/baseline/integration-bin. ! Found source: J1641+2257 ! ! 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 8616 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 J1641+2257_X_b] 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 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.124969Jy sigma=8.614246 ! Fit after self-cal, rms=0.500556Jy sigma=3.850543 ! 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=0.9275 mas, bmaj=1.939 mas, bpa=18.8 degrees ! Estimated noise=1.65945 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 = 0.385608 Jy ! Component: 100 - total flux cleaned = 0.473657 Jy ! Total flux subtracted in 100 components = 0.473657 Jy ! Clean residual min=-0.011853 max=0.032610 Jy/beam ! Clean residual mean=-0.000000 rms=0.002892 Jy/beam ! Combined flux in latest and established models = 0.473657 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.473657 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=0.075856Jy sigma=0.560819 ! Fit after self-cal, rms=0.075849Jy sigma=0.560752 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0344942 Jy ! Component: 100 - total flux cleaned = 0.0514142 Jy ! Total flux subtracted in 100 components = 0.0514142 Jy ! Clean residual min=-0.007851 max=0.008566 Jy/beam ! Clean residual mean=0.000001 rms=0.001474 Jy/beam ! Combined flux in latest and established models = 0.525071 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 15 components and 0.525071 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=0.060295Jy sigma=0.438992 ! Fit after self-cal, rms=0.060288Jy sigma=0.438923 ! 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=1.157 mas, bmaj=2.023 mas, bpa=14.12 degrees ! Estimated noise=1.10997 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 (-14.8, 26.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00655572 Jy ! Component: 100 - total flux cleaned = 0.00700996 Jy ! Component: 150 - total flux cleaned = 0.00736718 Jy ! Component: 200 - total flux cleaned = 0.00766004 Jy ! Total flux subtracted in 200 components = 0.00766004 Jy ! Clean residual min=-0.004873 max=0.004912 Jy/beam ! Clean residual mean=0.000002 rms=0.001065 Jy/beam ! Combined flux in latest and established models = 0.532731 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 23 components and 0.532731 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=0.058870Jy sigma=0.428589 ! Fit after self-cal, rms=0.058844Jy sigma=0.428386 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.157 x 2.023 at 14.12 degrees (North through East) ! Clean map min=-0.0046658 max=0.50177 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.99 HN 1.00 KP 1.00 ! LA 1.00* NL 1.00 OV 0.98 PT 1.00 ! SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 HN 1.00 KP 1.00 ! LA 1.00* NL 0.98 OV 0.99 PT 0.99 ! SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 HN 1.00 KP 1.00 ! LA 1.00* NL 0.99 OV 0.99 PT 1.00 ! SC 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 HN 1.01 KP 1.01 ! LA 1.00* NL 0.99 OV 0.99 PT 1.01 ! SC 1.00 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 HN 1.00 KP 1.01 ! LA 1.00* NL 0.99 OV 0.99 PT 1.03 ! SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 HN 1.00 KP 1.00 ! LA 1.00* NL 0.99 OV 0.97 PT 1.00 ! SC 0.99 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.99 HN 1.01 KP 1.01 ! LA 1.00* NL 0.98 OV 0.99 PT 1.01 ! SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 HN 1.02 KP 1.00 ! LA 1.00* NL 0.99 OV 0.99 PT 1.00 ! SC 1.00 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 HN 1.01 KP 1.01 ! LA 1.00* NL 1.00 OV 0.99 PT 1.00 ! SC 0.99 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 HN 1.01 KP 1.01 ! LA 1.00* NL 0.99 OV 1.00 PT 1.01 ! SC 0.99 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.01 HN 1.02 KP 1.01 ! LA 1.00* NL 1.00 OV 0.99 PT 1.00 ! SC 1.00 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.99 HN 1.01 KP 1.02 ! LA 1.00* NL 1.00 OV 0.99 PT 1.01 ! SC 1.04 ! ! ! Fit before self-cal, rms=0.058844Jy sigma=0.428386 ! Fit after self-cal, rms=0.057768Jy sigma=0.419990 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.156 mas, bmaj=2.026 mas, bpa=14.19 degrees ! Estimated noise=1.10862 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 = -0.0015466 Jy ! Component: 100 - total flux cleaned = -0.00208218 Jy ! Component: 150 - total flux cleaned = -0.00227052 Jy ! Component: 200 - total flux cleaned = -0.00235677 Jy ! Total flux subtracted in 200 components = -0.00235677 Jy ! Clean residual min=-0.003823 max=0.004193 Jy/beam ! Clean residual mean=0.000002 rms=0.000875 Jy/beam ! Combined flux in latest and established models = 0.530374 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 41 components and 0.530374 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=0.057441Jy sigma=0.417399 ! Fit after self-cal, rms=0.057441Jy sigma=0.417370 ! 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=0.057441Jy sigma=0.417370 ! Fit after self-cal, rms=0.056357Jy sigma=0.407072 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.158 mas, bmaj=2.034 mas, bpa=13.83 degrees ! Estimated noise=1.11159 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000143188 Jy ! Component: 100 - total flux cleaned = -0.000355919 Jy ! Component: 150 - total flux cleaned = -0.000307023 Jy ! Component: 200 - total flux cleaned = -0.000164455 Jy ! Total flux subtracted in 200 components = -0.000164455 Jy ! Clean residual min=-0.002563 max=0.002708 Jy/beam ! Clean residual mean=0.000002 rms=0.000618 Jy/beam ! Combined flux in latest and established models = 0.53021 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 53 components and 0.53021 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=0.056198Jy sigma=0.405743 ! Fit after self-cal, rms=0.056198Jy sigma=0.405698 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 (7.8, 15.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000847152 Jy ! Component: 100 - total flux cleaned = 0.000657941 Jy ! Component: 150 - total flux cleaned = 0.000608184 Jy ! Component: 200 - total flux cleaned = 0.000657298 Jy ! Total flux subtracted in 200 components = 0.000657298 Jy ! Clean residual min=-0.002333 max=0.002479 Jy/beam ! Clean residual mean=0.000002 rms=0.000582 Jy/beam ! Combined flux in latest and established models = 0.530867 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 71 components and 0.530867 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=0.056070Jy sigma=0.404562 ! Fit after self-cal, rms=0.056059Jy sigma=0.404501 ! 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=0.056059Jy sigma=0.404501 ! Fit after self-cal, rms=0.055828Jy sigma=0.402595 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.157 mas, bmaj=2.035 mas, bpa=13.85 degrees ! Estimated noise=1.11257 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000315603 Jy ! Component: 100 - total flux cleaned = -0.00050616 Jy ! Component: 150 - total flux cleaned = -0.000635712 Jy ! Component: 200 - total flux cleaned = -0.000714235 Jy ! Total flux subtracted in 200 components = -0.000714235 Jy ! Clean residual min=-0.002154 max=0.002142 Jy/beam ! Clean residual mean=-0.000000 rms=0.000510 Jy/beam ! Combined flux in latest and established models = 0.530153 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 83 components and 0.530153 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=0.055758Jy sigma=0.402039 ! Fit after self-cal, rms=0.055754Jy sigma=0.402013 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 (-12.2, -7.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00117172 Jy ! Component: 100 - total flux cleaned = 0.00135249 Jy ! Component: 150 - total flux cleaned = 0.00110545 Jy ! Component: 200 - total flux cleaned = 0.000838293 Jy ! Total flux subtracted in 200 components = 0.000838293 Jy ! Clean residual min=-0.002079 max=0.002075 Jy/beam ! Clean residual mean=-0.000000 rms=0.000483 Jy/beam ! Combined flux in latest and established models = 0.530991 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 97 components and 0.530991 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=0.055655Jy sigma=0.401307 ! Fit after self-cal, rms=0.055650Jy sigma=0.401272 ! Inverting map ! Added new window around map position (-6.6, 3.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00168073 Jy ! Component: 100 - total flux cleaned = 0.00249092 Jy ! Component: 150 - total flux cleaned = 0.00320368 Jy ! Component: 200 - total flux cleaned = 0.00348904 Jy ! Total flux subtracted in 200 components = 0.00348904 Jy ! Clean residual min=-0.001765 max=0.001818 Jy/beam ! Clean residual mean=-0.000000 rms=0.000448 Jy/beam ! Combined flux in latest and established models = 0.53448 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 113 components and 0.53448 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=0.055565Jy sigma=0.400562 ! Fit after self-cal, rms=0.055559Jy sigma=0.400533 ! 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=0.055559Jy sigma=0.400533 ! Fit after self-cal, rms=0.055532Jy sigma=0.400395 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.009 mas, bmaj=2.444 mas, bpa=-3.775 degrees ! Estimated noise=1.33029 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000160274 Jy ! Component: 100 - total flux cleaned = 0.000193532 Jy ! Component: 150 - total flux cleaned = 0.000336816 Jy ! Component: 200 - total flux cleaned = 0.000494645 Jy ! Total flux subtracted in 200 components = 0.000494645 Jy ! Clean residual min=-0.001648 max=0.002143 Jy/beam ! Clean residual mean=-0.000000 rms=0.000480 Jy/beam ! Combined flux in latest and established models = 0.534975 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 141 components and 0.534975 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=0.055516Jy sigma=0.400229 ! Fit after self-cal, rms=0.055513Jy sigma=0.400216 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 (0.4, -7.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00166843 Jy ! Component: 100 - total flux cleaned = 0.00225716 Jy ! Component: 150 - total flux cleaned = 0.00270768 Jy ! Component: 200 - total flux cleaned = 0.00314723 Jy ! Total flux subtracted in 200 components = 0.00314723 Jy ! Clean residual min=-0.001615 max=0.001634 Jy/beam ! Clean residual mean=-0.000000 rms=0.000406 Jy/beam ! Combined flux in latest and established models = 0.538122 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 173 components and 0.538122 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=0.055468Jy sigma=0.399839 ! Fit after self-cal, rms=0.055467Jy sigma=0.399817 ! 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=1.156 mas, bmaj=2.036 mas, bpa=13.87 degrees ! Estimated noise=1.11316 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.156 x 2.036 at 13.87 degrees (North through East) ! Clean map min=-0.0016666 max=0.50257 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 ! Performing amp+phase self-cal ! ! 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=0.055467Jy sigma=0.399817 ! Fit after self-cal, rms=0.051375Jy sigma=0.363896 ! Inverting map and beam ! Estimated beam: bmin=1.156 mas, bmaj=2.036 mas, bpa=13.85 degrees ! Estimated noise=1.11336 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.35372e-05 Jy ! Component: 100 - total flux cleaned = 0.000188759 Jy ! Component: 150 - total flux cleaned = 0.000582497 Jy ! Component: 200 - total flux cleaned = 0.000849759 Jy ! Total flux subtracted in 200 components = 0.000849759 Jy ! Clean residual min=-0.001516 max=0.001599 Jy/beam ! Clean residual mean=-0.000000 rms=0.000376 Jy/beam ! Combined flux in latest and established models = 0.538972 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 192 components and 0.538972 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=0.051323Jy sigma=0.363489 ! Fit after self-cal, rms=0.051321Jy sigma=0.363475 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000194509 Jy ! Component: 100 - total flux cleaned = 0.000409753 Jy ! Component: 150 - total flux cleaned = 0.000701906 Jy ! Component: 200 - total flux cleaned = 0.000897902 Jy ! Total flux subtracted in 200 components = 0.000897902 Jy ! Clean residual min=-0.001524 max=0.001532 Jy/beam ! Clean residual mean=-0.000000 rms=0.000365 Jy/beam ! Combined flux in latest and established models = 0.53987 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 207 components and 0.53987 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=0.051290Jy sigma=0.363238 ! Fit after self-cal, rms=0.051289Jy sigma=0.363233 ! Inverting map ! Performing amp+phase self-cal ! ! 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=0.051289Jy sigma=0.363233 ! Fit after self-cal, rms=0.051290Jy sigma=0.363209 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=0.9288 mas, bmaj=1.951 mas, bpa=18.44 degrees ! Estimated noise=1.66771 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.387506 Jy ! Component: 100 - total flux cleaned = 0.474822 Jy ! Component: 150 - total flux cleaned = 0.506738 Jy ! Component: 200 - total flux cleaned = 0.522081 Jy ! Total flux subtracted in 200 components = 0.522081 Jy ! Clean residual min=-0.005809 max=0.007008 Jy/beam ! Clean residual mean=0.000001 rms=0.001097 Jy/beam ! Combined flux in latest and established models = 0.522081 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.522081 Jy ! Inverting map and beam ! Estimated beam: bmin=1.156 mas, bmaj=2.037 mas, bpa=13.86 degrees ! Estimated noise=1.11353 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 = 0.00676502 Jy ! Component: 100 - total flux cleaned = 0.00937533 Jy ! Component: 150 - total flux cleaned = 0.0107489 Jy ! Component: 200 - total flux cleaned = 0.0118493 Jy ! Total flux subtracted in 200 components = 0.0118493 Jy ! Clean residual min=-0.002896 max=0.002676 Jy/beam ! Clean residual mean=0.000000 rms=0.000592 Jy/beam ! Combined flux in latest and established models = 0.533931 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 31 components and 0.533931 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=2.009 mas, bmaj=2.444 mas, bpa=-3.74 degrees ! Estimated noise=1.33054 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00243307 Jy ! Component: 100 - total flux cleaned = 0.00348636 Jy ! Component: 150 - total flux cleaned = 0.00439879 Jy ! Component: 200 - total flux cleaned = 0.00490319 Jy ! Total flux subtracted in 200 components = 0.00490319 Jy ! Clean residual min=-0.002033 max=0.002316 Jy/beam ! Clean residual mean=0.000000 rms=0.000510 Jy/beam ! Combined flux in latest and established models = 0.538834 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) ! Added new window around map position (-28.6, 37.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00151409 Jy ! Component: 100 - total flux cleaned = 0.00206544 Jy ! Component: 150 - total flux cleaned = 0.00247165 Jy ! Component: 200 - total flux cleaned = 0.00266053 Jy ! Total flux subtracted in 200 components = 0.00266053 Jy ! Clean residual min=-0.001791 max=0.001926 Jy/beam ! Clean residual mean=-0.000000 rms=0.000433 Jy/beam ! Combined flux in latest and established models = 0.541494 Jy ! Adding 68 model components to the UV plane model. ! The established model now contains 95 components and 0.541495 Jy ! Inverting map ! Added new window around map position (-22, -18.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00132014 Jy ! Component: 100 - total flux cleaned = 0.00182584 Jy ! Component: 150 - total flux cleaned = 0.00211534 Jy ! Component: 200 - total flux cleaned = 0.00242504 Jy ! Total flux subtracted in 200 components = 0.00242504 Jy ! Clean residual min=-0.001583 max=0.001452 Jy/beam ! Clean residual mean=-0.000001 rms=0.000368 Jy/beam ! Combined flux in latest and established models = 0.54392 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 124 components and 0.54392 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.156 mas, bmaj=2.037 mas, bpa=13.86 degrees ! Estimated noise=1.11353 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.66091e-05 Jy ! Component: 100 - total flux cleaned = 4.30703e-05 Jy ! Component: 150 - total flux cleaned = 0.000185078 Jy ! Component: 200 - total flux cleaned = 0.000380725 Jy ! Total flux subtracted in 200 components = 0.000380725 Jy ! Clean residual min=-0.002003 max=0.001863 Jy/beam ! Clean residual mean=-0.000000 rms=0.000423 Jy/beam ! Combined flux in latest and established models = 0.5443 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 151 components and 0.5443 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=0.051602Jy sigma=0.365625 ! Fit after self-cal, rms=0.051590Jy sigma=0.365496 wmodel J1641+2257_X_b_map.mod ! Writing 151 model components to file: J1641+2257_X_b_map.mod wobs J1641+2257_X_b_uvs.fits ! Writing UV FITS file: J1641+2257_X_b_uvs.fits wwins J1641+2257_X_b_map.win ! wwins: Wrote 8 windows to J1641+2257_X_b_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 = 0.000134681 Jy ! Component: 100 - total flux cleaned = 0.000362599 Jy ! Component: 150 - total flux cleaned = 0.000671162 Jy ! Component: 200 - total flux cleaned = 0.000876326 Jy ! Component: 250 - total flux cleaned = 0.00104494 Jy ! Component: 300 - total flux cleaned = 0.00115411 Jy ! Component: 350 - total flux cleaned = 0.00134071 Jy ! Component: 400 - total flux cleaned = 0.00149671 Jy ! Component: 450 - total flux cleaned = 0.00162323 Jy ! Component: 500 - total flux cleaned = 0.00169783 Jy ! Component: 550 - total flux cleaned = 0.00184405 Jy ! Component: 600 - total flux cleaned = 0.00196405 Jy ! Component: 650 - total flux cleaned = 0.00203471 Jy ! Component: 700 - total flux cleaned = 0.00217358 Jy ! Component: 750 - total flux cleaned = 0.00228746 Jy ! Component: 800 - total flux cleaned = 0.00233257 Jy ! Component: 850 - total flux cleaned = 0.00246498 Jy ! Component: 900 - total flux cleaned = 0.00257341 Jy ! Component: 950 - total flux cleaned = 0.00263774 Jy ! Component: 1000 - total flux cleaned = 0.00268 Jy ! Component: 1050 - total flux cleaned = 0.00272167 Jy ! Component: 1100 - total flux cleaned = 0.0027625 Jy ! Component: 1150 - total flux cleaned = 0.00280227 Jy ! Component: 1200 - total flux cleaned = 0.0028019 Jy ! Component: 1250 - total flux cleaned = 0.0028017 Jy ! Component: 1300 - total flux cleaned = 0.00280187 Jy ! Component: 1350 - total flux cleaned = 0.00280186 Jy ! Component: 1400 - total flux cleaned = 0.00282118 Jy ! Component: 1450 - total flux cleaned = 0.00282122 Jy ! Component: 1500 - total flux cleaned = 0.00285837 Jy ! Component: 1550 - total flux cleaned = 0.00289497 Jy ! Component: 1600 - total flux cleaned = 0.00289449 Jy ! Component: 1650 - total flux cleaned = 0.00291221 Jy ! Component: 1700 - total flux cleaned = 0.0029123 Jy ! Component: 1750 - total flux cleaned = 0.00294748 Jy ! Component: 1800 - total flux cleaned = 0.00298211 Jy ! Component: 1850 - total flux cleaned = 0.00301628 Jy ! Component: 1900 - total flux cleaned = 0.00294817 Jy ! Component: 1950 - total flux cleaned = 0.00289768 Jy ! Component: 2000 - total flux cleaned = 0.00289765 Jy ! Component: 2050 - total flux cleaned = 0.00286459 Jy ! Component: 2100 - total flux cleaned = 0.00286447 Jy ! Component: 2150 - total flux cleaned = 0.00281581 Jy ! Component: 2200 - total flux cleaned = 0.00275154 Jy ! Component: 2250 - total flux cleaned = 0.00271969 Jy ! Component: 2300 - total flux cleaned = 0.00267251 Jy ! Component: 2350 - total flux cleaned = 0.00259436 Jy ! Component: 2400 - total flux cleaned = 0.00261001 Jy ! Component: 2450 - total flux cleaned = 0.00251772 Jy ! Component: 2500 - total flux cleaned = 0.00245679 Jy ! Component: 2550 - total flux cleaned = 0.00248691 Jy ! Component: 2600 - total flux cleaned = 0.002412 Jy ! Component: 2650 - total flux cleaned = 0.00242686 Jy ! Component: 2700 - total flux cleaned = 0.00236798 Jy ! Component: 2750 - total flux cleaned = 0.00241178 Jy ! Component: 2800 - total flux cleaned = 0.00238299 Jy ! Component: 2850 - total flux cleaned = 0.00239718 Jy ! Component: 2900 - total flux cleaned = 0.00235473 Jy ! Component: 2950 - total flux cleaned = 0.00234072 Jy ! Component: 3000 - total flux cleaned = 0.00239685 Jy ! Component: 3050 - total flux cleaned = 0.00235491 Jy ! Component: 3100 - total flux cleaned = 0.00235501 Jy ! Component: 3150 - total flux cleaned = 0.00232772 Jy ! Component: 3200 - total flux cleaned = 0.00232772 Jy ! Component: 3250 - total flux cleaned = 0.00228721 Jy ! Component: 3300 - total flux cleaned = 0.00230062 Jy ! Component: 3350 - total flux cleaned = 0.00226061 Jy ! Component: 3400 - total flux cleaned = 0.00227374 Jy ! Component: 3450 - total flux cleaned = 0.0022869 Jy ! Component: 3500 - total flux cleaned = 0.0022609 Jy ! Component: 3550 - total flux cleaned = 0.00220918 Jy ! Component: 3600 - total flux cleaned = 0.00220913 Jy ! Component: 3650 - total flux cleaned = 0.00219642 Jy ! Component: 3700 - total flux cleaned = 0.00213307 Jy ! Component: 3750 - total flux cleaned = 0.00217088 Jy ! Component: 3800 - total flux cleaned = 0.00213337 Jy ! Component: 3850 - total flux cleaned = 0.00210871 Jy ! Component: 3900 - total flux cleaned = 0.00208406 Jy ! Component: 3950 - total flux cleaned = 0.00208416 Jy ! Component: 4000 - total flux cleaned = 0.00201125 Jy ! Component: 4050 - total flux cleaned = 0.00198691 Jy ! Total flux subtracted in 4096 components = 0.00197492 Jy ! Clean residual min=-0.000704 max=0.000669 Jy/beam ! Clean residual mean=0.000000 rms=0.000210 Jy/beam ! Combined flux in latest and established models = 0.546275 Jy keep ! Adding 294 model components to the UV plane model. ! The established model now contains 445 components and 0.546275 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1641+2257_X_b_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.156 x 2.037 at 13.86 degrees (North through East) ! Clean map min=-0.0015124 max=0.50294 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1641+2257_X_b_map.fits wmodel /image_prod/ug002_uva//J1641+2257_X_b_map.mod ! Writing 445 model components to file: /image_prod/ug002_uva//J1641+2257_X_b_map.mod wobs /image_prod/ug002_uva//J1641+2257_X_b_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1641+2257_X_b_uvs.fits wwins /image_prod/ug002_uva//J1641+2257_X_b_map.win ! wwins: Wrote 9 windows to /image_prod/ug002_uva//J1641+2257_X_b_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.502938 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000209711 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.125091 0.125091 0.250183 0.500365 1.00073 2.00146 4.00292 8.00584 16.0117 32.0234 64.0467 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.502 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2398.25 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1641+2257_X_b_dfm.log closed on Thu Mar 5 02:52:34 2020