! Started logfile: /image_prod/ug002_uva//J2257+0743_X_f_dfm.log on Thu Mar 5 06:00:32 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//J2257+0743_X_f_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J2257+0743_X_f_uva.fits ! AN table 1: 18 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.734127 visibilities/baseline/integration-bin. ! Found source: J2257+0743 ! ! 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 108 lines of history. ! ! Reading 4440 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 J2257+0743_X_f] 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 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.042787Jy sigma=9.289845 ! Fit after self-cal, rms=0.742170Jy sigma=6.626827 ! 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=0.6496 mas, bmaj=1.723 mas, bpa=-1.589 degrees ! Estimated noise=1.5749 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 = 0.194004 Jy ! Component: 100 - total flux cleaned = 0.246069 Jy ! Total flux subtracted in 100 components = 0.246069 Jy ! Clean residual min=-0.020858 max=0.046996 Jy/beam ! Clean residual mean=0.000004 rms=0.004373 Jy/beam ! Combined flux in latest and established models = 0.246069 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.246069 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=0.101557Jy sigma=0.903522 ! Fit after self-cal, rms=0.101502Jy sigma=0.903070 ! Inverting map ! Added new window around map position (-1.4, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0427056 Jy ! Component: 100 - total flux cleaned = 0.0684487 Jy ! Total flux subtracted in 100 components = 0.0684487 Jy ! Clean residual min=-0.014219 max=0.016899 Jy/beam ! Clean residual mean=0.000003 rms=0.002745 Jy/beam ! Combined flux in latest and established models = 0.314518 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 12 components and 0.314518 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=0.073995Jy sigma=0.648128 ! Fit after self-cal, rms=0.072296Jy sigma=0.634498 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0198935 Jy ! Component: 100 - total flux cleaned = 0.0337082 Jy ! Total flux subtracted in 100 components = 0.0337082 Jy ! Clean residual min=-0.010237 max=0.015638 Jy/beam ! Clean residual mean=0.000002 rms=0.002019 Jy/beam ! Combined flux in latest and established models = 0.348226 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 15 components and 0.348226 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=0.063276Jy sigma=0.549292 ! Fit after self-cal, rms=0.063043Jy sigma=0.547518 ! Inverting map ! Added new window around map position (-2.4, -1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0145645 Jy ! Component: 100 - total flux cleaned = 0.0241569 Jy ! Total flux subtracted in 100 components = 0.0241569 Jy ! Clean residual min=-0.009386 max=0.008942 Jy/beam ! Clean residual mean=0.000002 rms=0.001594 Jy/beam ! Combined flux in latest and established models = 0.372383 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 23 components and 0.372383 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=0.057924Jy sigma=0.498958 ! Fit after self-cal, rms=0.057615Jy sigma=0.496502 ! 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=0.7727 mas, bmaj=1.891 mas, bpa=-1.542 degrees ! Estimated noise=1.20921 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 = 0.0128686 Jy ! Component: 100 - total flux cleaned = 0.021635 Jy ! Component: 150 - total flux cleaned = 0.0279326 Jy ! Component: 200 - total flux cleaned = 0.0327921 Jy ! Total flux subtracted in 200 components = 0.0327921 Jy ! Clean residual min=-0.007543 max=0.009521 Jy/beam ! Clean residual mean=0.000002 rms=0.001587 Jy/beam ! Combined flux in latest and established models = 0.405175 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 47 components and 0.405175 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=0.054099Jy sigma=0.461629 ! Fit after self-cal, rms=0.053866Jy sigma=0.459713 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7727 x 1.891 at -1.542 degrees (North through East) ! Clean map min=-0.0068257 max=0.25587 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.98 HN 0.97 KP 1.01 ! MK 1.01 NL 1.11 OV 0.89 SC 1.02 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.00 HN 1.03 KP 1.02 ! MK 0.98 NL 1.13 OV 0.90 SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.02 HN 1.02 KP 1.05 ! MK 1.01 NL 1.10 OV 0.90 SC 1.04 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.01 HN 1.01 KP 1.00 ! MK 1.01 NL 1.08 OV 0.92 SC 1.07 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.99 HN 1.00 KP 1.03 ! MK 1.00 NL 1.10 OV 0.93 SC 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.00 HN 1.02 KP 1.03 ! MK 1.01 NL 1.09 OV 0.90 SC 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.00 HN 1.02 KP 1.00 ! MK 1.02 NL 1.05 OV 0.89 SC 1.06 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.99 HN 1.00 KP 1.05 ! MK 1.00 NL 1.07 OV 0.92 SC 1.03 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.01 HN 1.03 KP 1.03 ! MK 1.01 NL 1.07 OV 0.89 SC 1.01 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 HN 0.98 KP 1.04 ! MK 1.04 NL 1.14 OV 0.92 SC 1.01 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 HN 1.01 KP 1.04 ! MK 1.00 NL 1.05 OV 0.94 SC 1.05 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.95 HN 1.07 KP 0.99 ! MK 1.07 NL 1.13 OV 0.92 SC 0.99 ! ! ! Fit before self-cal, rms=0.053866Jy sigma=0.459713 ! Fit after self-cal, rms=0.049307Jy sigma=0.417080 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7775 mas, bmaj=1.893 mas, bpa=-1.319 degrees ! Estimated noise=1.21168 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 = -0.00228886 Jy ! Component: 100 - total flux cleaned = -0.00227325 Jy ! Component: 150 - total flux cleaned = -0.00232683 Jy ! Component: 200 - total flux cleaned = -0.00215002 Jy ! Total flux subtracted in 200 components = -0.00215002 Jy ! Clean residual min=-0.003145 max=0.003540 Jy/beam ! Clean residual mean=-0.000001 rms=0.000694 Jy/beam ! Combined flux in latest and established models = 0.403025 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 56 components and 0.403025 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=0.049100Jy sigma=0.415449 ! Fit after self-cal, rms=0.049104Jy sigma=0.415224 ! 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=0.049104Jy sigma=0.415224 ! Fit after self-cal, rms=0.048761Jy sigma=0.412740 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7762 mas, bmaj=1.892 mas, bpa=-1.301 degrees ! Estimated noise=1.21084 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000820472 Jy ! Component: 100 - total flux cleaned = -0.000776398 Jy ! Component: 150 - total flux cleaned = -0.000614085 Jy ! Component: 200 - total flux cleaned = -0.000437406 Jy ! Total flux subtracted in 200 components = -0.000437406 Jy ! Clean residual min=-0.003058 max=0.003083 Jy/beam ! Clean residual mean=-0.000000 rms=0.000636 Jy/beam ! Combined flux in latest and established models = 0.402588 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 60 components and 0.402588 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=0.048670Jy sigma=0.411982 ! Fit after self-cal, rms=0.048665Jy sigma=0.411904 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 = -4.56481e-05 Jy ! Component: 100 - total flux cleaned = 8.73851e-05 Jy ! Component: 150 - total flux cleaned = 0.00014977 Jy ! Component: 200 - total flux cleaned = 0.00017785 Jy ! Total flux subtracted in 200 components = 0.00017785 Jy ! Clean residual min=-0.002990 max=0.002941 Jy/beam ! Clean residual mean=-0.000000 rms=0.000626 Jy/beam ! Combined flux in latest and established models = 0.402765 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 64 components and 0.402765 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=0.048625Jy sigma=0.411574 ! Fit after self-cal, rms=0.048624Jy sigma=0.411552 ! 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=0.048624Jy sigma=0.411552 ! Fit after self-cal, rms=0.048223Jy sigma=0.407718 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7753 mas, bmaj=1.891 mas, bpa=-1.253 degrees ! Estimated noise=1.21052 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000745328 Jy ! Component: 100 - total flux cleaned = -0.000813844 Jy ! Component: 150 - total flux cleaned = -0.000786952 Jy ! Component: 200 - total flux cleaned = -0.000689293 Jy ! Total flux subtracted in 200 components = -0.000689293 Jy ! Clean residual min=-0.002460 max=0.002768 Jy/beam ! Clean residual mean=0.000000 rms=0.000579 Jy/beam ! Combined flux in latest and established models = 0.402076 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 67 components and 0.402076 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=0.048172Jy sigma=0.407360 ! Fit after self-cal, rms=0.048169Jy sigma=0.407308 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 (-3.4, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0014122 Jy ! Component: 100 - total flux cleaned = 0.00190426 Jy ! Component: 150 - total flux cleaned = 0.00205176 Jy ! Component: 200 - total flux cleaned = 0.0021699 Jy ! Total flux subtracted in 200 components = 0.0021699 Jy ! Clean residual min=-0.002317 max=0.002382 Jy/beam ! Clean residual mean=-0.000000 rms=0.000533 Jy/beam ! Combined flux in latest and established models = 0.404246 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 84 components and 0.404246 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=0.048012Jy sigma=0.405968 ! Fit after self-cal, rms=0.047995Jy sigma=0.405822 ! 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=0.047995Jy sigma=0.405822 ! Fit after self-cal, rms=0.047957Jy sigma=0.405627 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.821 mas, bmaj=2.611 mas, bpa=-3.281 degrees ! Estimated noise=1.58695 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00203351 Jy ! Component: 100 - total flux cleaned = 0.0027213 Jy ! Component: 150 - total flux cleaned = 0.00304075 Jy ! Component: 200 - total flux cleaned = 0.0032922 Jy ! Total flux subtracted in 200 components = 0.0032922 Jy ! Clean residual min=-0.002437 max=0.002226 Jy/beam ! Clean residual mean=0.000000 rms=0.000631 Jy/beam ! Combined flux in latest and established models = 0.407538 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 95 components and 0.407538 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=0.047931Jy sigma=0.405377 ! Fit after self-cal, rms=0.047922Jy sigma=0.405313 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 = 0.00072106 Jy ! Component: 100 - total flux cleaned = 0.000944761 Jy ! Component: 150 - total flux cleaned = 0.00108041 Jy ! Component: 200 - total flux cleaned = 0.00117095 Jy ! Total flux subtracted in 200 components = 0.00117095 Jy ! Clean residual min=-0.002449 max=0.002207 Jy/beam ! Clean residual mean=0.000000 rms=0.000622 Jy/beam ! Combined flux in latest and established models = 0.408709 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 99 components and 0.408709 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=0.047911Jy sigma=0.405208 ! Fit after self-cal, rms=0.047909Jy sigma=0.405197 ! 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=0.7754 mas, bmaj=1.89 mas, bpa=-1.208 degrees ! Estimated noise=1.21101 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7754 x 1.89 at -1.208 degrees (North through East) ! Clean map min=-0.0018782 max=0.25502 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=0.651 mas, bmaj=1.722 mas, bpa=-1.235 degrees ! Estimated noise=1.58019 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.194155 Jy ! Component: 100 - total flux cleaned = 0.252535 Jy ! Component: 150 - total flux cleaned = 0.289609 Jy ! Component: 200 - total flux cleaned = 0.31558 Jy ! Total flux subtracted in 200 components = 0.31558 Jy ! Clean residual min=-0.007363 max=0.015831 Jy/beam ! Clean residual mean=0.000001 rms=0.002101 Jy/beam ! Combined flux in latest and established models = 0.31558 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.31558 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7754 mas, bmaj=1.89 mas, bpa=-1.208 degrees ! Estimated noise=1.21101 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 = 0.0263122 Jy ! Component: 100 - total flux cleaned = 0.0436511 Jy ! Component: 150 - total flux cleaned = 0.0556343 Jy ! Component: 200 - total flux cleaned = 0.0640785 Jy ! Total flux subtracted in 200 components = 0.0640785 Jy ! Clean residual min=-0.003553 max=0.005156 Jy/beam ! Clean residual mean=0.000000 rms=0.000943 Jy/beam ! Combined flux in latest and established models = 0.379658 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 29 components and 0.379658 Jy ! Inverting map ! Added new window around map position (-0.6, -0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00611346 Jy ! Component: 100 - total flux cleaned = 0.0105128 Jy ! Component: 150 - total flux cleaned = 0.0138742 Jy ! Component: 200 - total flux cleaned = 0.0165072 Jy ! Total flux subtracted in 200 components = 0.0165072 Jy ! Clean residual min=-0.002331 max=0.002296 Jy/beam ! Clean residual mean=-0.000000 rms=0.000589 Jy/beam ! Combined flux in latest and established models = 0.396165 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 51 components and 0.396165 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=1.821 mas, bmaj=2.611 mas, bpa=-3.281 degrees ! Estimated noise=1.58695 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00361944 Jy ! Component: 100 - total flux cleaned = 0.00580066 Jy ! Component: 150 - total flux cleaned = 0.00756798 Jy ! Component: 200 - total flux cleaned = 0.00891654 Jy ! Total flux subtracted in 200 components = 0.00891654 Jy ! Clean residual min=-0.002437 max=0.002186 Jy/beam ! Clean residual mean=0.000000 rms=0.000664 Jy/beam ! Combined flux in latest and established models = 0.405082 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 = 0.00105043 Jy ! Component: 100 - total flux cleaned = 0.00191567 Jy ! Component: 150 - total flux cleaned = 0.00244462 Jy ! Component: 200 - total flux cleaned = 0.00273722 Jy ! Total flux subtracted in 200 components = 0.00273722 Jy ! Clean residual min=-0.002356 max=0.002199 Jy/beam ! Clean residual mean=0.000000 rms=0.000622 Jy/beam ! Combined flux in latest and established models = 0.407819 Jy ! Adding 70 model components to the UV plane model. ! The established model now contains 114 components and 0.407819 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7754 mas, bmaj=1.89 mas, bpa=-1.208 degrees ! Estimated noise=1.21101 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000231428 Jy ! Component: 100 - total flux cleaned = -0.000179523 Jy ! Component: 150 - total flux cleaned = -9.75851e-05 Jy ! Component: 200 - total flux cleaned = -0.000170281 Jy ! Total flux subtracted in 200 components = -0.000170281 Jy ! Clean residual min=-0.002135 max=0.001906 Jy/beam ! Clean residual mean=0.000000 rms=0.000480 Jy/beam ! Combined flux in latest and established models = 0.407649 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 134 components and 0.407649 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=0.047834Jy sigma=0.404682 ! Fit after self-cal, rms=0.047825Jy sigma=0.404625 wmodel J2257+0743_X_f_map.mod ! Writing 134 model components to file: J2257+0743_X_f_map.mod wobs J2257+0743_X_f_uvs.fits ! Writing UV FITS file: J2257+0743_X_f_uvs.fits wwins J2257+0743_X_f_map.win ! wwins: Wrote 5 windows to J2257+0743_X_f_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 = -0.000627879 Jy ! Component: 100 - total flux cleaned = -0.000626587 Jy ! Component: 150 - total flux cleaned = -0.00052462 Jy ! Component: 200 - total flux cleaned = -0.000363084 Jy ! Component: 250 - total flux cleaned = -0.00023982 Jy ! Component: 300 - total flux cleaned = -0.000179783 Jy ! Component: 350 - total flux cleaned = -3.30736e-05 Jy ! Component: 400 - total flux cleaned = 8.0724e-05 Jy ! Component: 450 - total flux cleaned = 0.000164604 Jy ! Component: 500 - total flux cleaned = 0.000220136 Jy ! Component: 550 - total flux cleaned = 0.000461627 Jy ! Component: 600 - total flux cleaned = 0.000540354 Jy ! Component: 650 - total flux cleaned = 0.000670201 Jy ! Component: 700 - total flux cleaned = 0.000797461 Jy ! Component: 750 - total flux cleaned = 0.000947949 Jy ! Component: 800 - total flux cleaned = 0.00112068 Jy ! Component: 850 - total flux cleaned = 0.00116933 Jy ! Component: 900 - total flux cleaned = 0.00131338 Jy ! Component: 950 - total flux cleaned = 0.00133751 Jy ! Component: 1000 - total flux cleaned = 0.00136101 Jy ! Component: 1050 - total flux cleaned = 0.00149886 Jy ! Component: 1100 - total flux cleaned = 0.00147664 Jy ! Component: 1150 - total flux cleaned = 0.0015884 Jy ! Component: 1200 - total flux cleaned = 0.00161082 Jy ! Component: 1250 - total flux cleaned = 0.00161114 Jy ! Component: 1300 - total flux cleaned = 0.00176252 Jy ! Component: 1350 - total flux cleaned = 0.00176268 Jy ! Component: 1400 - total flux cleaned = 0.00178381 Jy ! Component: 1450 - total flux cleaned = 0.00178368 Jy ! Component: 1500 - total flux cleaned = 0.00178381 Jy ! Component: 1550 - total flux cleaned = 0.00182444 Jy ! Component: 1600 - total flux cleaned = 0.00190514 Jy ! Component: 1650 - total flux cleaned = 0.00188484 Jy ! Component: 1700 - total flux cleaned = 0.00186501 Jy ! Component: 1750 - total flux cleaned = 0.00188465 Jy ! Component: 1800 - total flux cleaned = 0.00190417 Jy ! Component: 1850 - total flux cleaned = 0.00196205 Jy ! Component: 1900 - total flux cleaned = 0.00201889 Jy ! Component: 1950 - total flux cleaned = 0.00201937 Jy ! Component: 2000 - total flux cleaned = 0.00205638 Jy ! Component: 2050 - total flux cleaned = 0.00205638 Jy ! Component: 2100 - total flux cleaned = 0.00212965 Jy ! Component: 2150 - total flux cleaned = 0.00214779 Jy ! Component: 2200 - total flux cleaned = 0.00218335 Jy ! Component: 2250 - total flux cleaned = 0.00227196 Jy ! Component: 2300 - total flux cleaned = 0.00232449 Jy ! Component: 2350 - total flux cleaned = 0.00230692 Jy ! Component: 2400 - total flux cleaned = 0.00235875 Jy ! Component: 2450 - total flux cleaned = 0.00232444 Jy ! Component: 2500 - total flux cleaned = 0.00237563 Jy ! Component: 2550 - total flux cleaned = 0.0023926 Jy ! Component: 2600 - total flux cleaned = 0.00239236 Jy ! Component: 2650 - total flux cleaned = 0.00239232 Jy ! Component: 2700 - total flux cleaned = 0.00239226 Jy ! Component: 2750 - total flux cleaned = 0.00235926 Jy ! Component: 2800 - total flux cleaned = 0.00237546 Jy ! Component: 2850 - total flux cleaned = 0.00234361 Jy ! Component: 2900 - total flux cleaned = 0.00239133 Jy ! Component: 2950 - total flux cleaned = 0.00237554 Jy ! Component: 3000 - total flux cleaned = 0.00237573 Jy ! Component: 3050 - total flux cleaned = 0.00237589 Jy ! Component: 3100 - total flux cleaned = 0.00236019 Jy ! Component: 3150 - total flux cleaned = 0.00239094 Jy ! Component: 3200 - total flux cleaned = 0.0022845 Jy ! Component: 3250 - total flux cleaned = 0.00229997 Jy ! Component: 3300 - total flux cleaned = 0.0022702 Jy ! Component: 3350 - total flux cleaned = 0.00230002 Jy ! Component: 3400 - total flux cleaned = 0.00232954 Jy ! Component: 3450 - total flux cleaned = 0.00238805 Jy ! Component: 3500 - total flux cleaned = 0.00234423 Jy ! Component: 3550 - total flux cleaned = 0.00237306 Jy ! Component: 3600 - total flux cleaned = 0.00232995 Jy ! Component: 3650 - total flux cleaned = 0.00230148 Jy ! Component: 3700 - total flux cleaned = 0.00230129 Jy ! Component: 3750 - total flux cleaned = 0.00232962 Jy ! Component: 3800 - total flux cleaned = 0.00227393 Jy ! Component: 3850 - total flux cleaned = 0.00226001 Jy ! Component: 3900 - total flux cleaned = 0.00221876 Jy ! Component: 3950 - total flux cleaned = 0.00221887 Jy ! Component: 4000 - total flux cleaned = 0.00225956 Jy ! Component: 4050 - total flux cleaned = 0.00223254 Jy ! Total flux subtracted in 4096 components = 0.00219217 Jy ! Clean residual min=-0.000737 max=0.000908 Jy/beam ! Clean residual mean=0.000000 rms=0.000227 Jy/beam ! Combined flux in latest and established models = 0.409841 Jy keep ! Adding 290 model components to the UV plane model. ! The established model now contains 424 components and 0.409841 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J2257+0743_X_f_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7754 x 1.89 at -1.208 degrees (North through East) ! Clean map min=-0.001455 max=0.25522 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J2257+0743_X_f_map.fits wmodel /image_prod/ug002_uva//J2257+0743_X_f_map.mod ! Writing 424 model components to file: /image_prod/ug002_uva//J2257+0743_X_f_map.mod wobs /image_prod/ug002_uva//J2257+0743_X_f_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J2257+0743_X_f_uvs.fits wwins /image_prod/ug002_uva//J2257+0743_X_f_map.win ! wwins: Wrote 6 windows to /image_prod/ug002_uva//J2257+0743_X_f_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.255224 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000226075 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.265737 0.265737 0.531474 1.06295 2.1259 4.2518 8.50359 17.0072 34.0144 68.0287 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.255 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1128.93 quit ! Quitting program ! Log file /image_prod/ug002_uva//J2257+0743_X_f_dfm.log closed on Thu Mar 5 06:00:35 2020