! Started logfile: /vlbi/uf001/uva//J2020+2826_X_dfm.log on Mon Jan 14 05:26:57 2019 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 /vlbi/uf001/uva//J2020+2826_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2020+2826_X_uva.fits ! AN table 1: 109 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.701835 visibilities/baseline/integration-bin. ! Found source: J2020+2826 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 134 lines of history. ! ! Reading 25704 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 12 channels. ! Selecting polarization: RR, channels: 1..12 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J2020+2826_X] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 152 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 152 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 152 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 152 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 152 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 152 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 152 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 152 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 152 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 152 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 152 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 152 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.003171Jy sigma=25.003489 ! Fit after self-cal, rms=0.955054Jy sigma=23.877259 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.024 mas, bmaj=2.285 mas, bpa=-73.52 degrees ! Estimated noise=0.453996 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 = 0.02937 Jy ! Component: 100 - total flux cleaned = 0.0434096 Jy ! Total flux subtracted in 100 components = 0.0434096 Jy ! Clean residual min=-0.006471 max=0.008246 Jy/beam ! Clean residual mean=-0.000012 rms=0.002538 Jy/beam ! Combined flux in latest and established models = 0.0434096 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 42 components and 0.0434096 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=0.068448Jy sigma=1.627554 ! Fit after self-cal, rms=0.067178Jy sigma=1.596437 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.306 mas, bmaj=2.587 mas, bpa=-79.05 degrees ! Estimated noise=0.179876 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 = 0.0212833 Jy ! Component: 100 - total flux cleaned = 0.0364299 Jy ! Component: 150 - total flux cleaned = 0.0477119 Jy ! Component: 200 - total flux cleaned = 0.0561882 Jy ! Total flux subtracted in 200 components = 0.0561882 Jy ! Clean residual min=-0.006712 max=0.011115 Jy/beam ! Clean residual mean=0.000001 rms=0.002663 Jy/beam ! Combined flux in latest and established models = 0.0995979 Jy ! Performing phase self-cal ! Adding 61 model components to the UV plane model. ! The established model now contains 90 components and 0.0995979 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=0.057297Jy sigma=1.365652 ! Fit after self-cal, rms=0.056401Jy sigma=1.343338 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.306 x 2.587 at -79.05 degrees (North through East) ! Clean map min=-0.0069616 max=0.044714 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.17 HN 0.73 KP 0.98 ! LA 0.82 NL 1.70 OV 1.61 PT 0.66 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 FD 1.20 HN 0.76 KP 0.97 ! LA 0.77 NL 1.69 OV 1.69 PT 0.69 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.12 HN 0.82 KP 1.00 ! LA 0.81 NL 1.67 OV 1.63 PT 0.66 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.12 HN 0.83 KP 0.97 ! LA 0.78 NL 1.61 OV 1.65 PT 0.69 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 FD 1.20 HN 0.87 KP 0.98 ! LA 0.78 NL 1.67 OV 1.85 PT 0.67 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.84 FD 1.15 HN 0.78 KP 1.00 ! LA 0.82 NL 1.67 OV 1.65 PT 0.68 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 1.13 HN 0.70 KP 1.01 ! LA 0.80 NL 1.61 OV 1.59 PT 0.70 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.81 FD 1.12 HN 0.66 KP 1.02 ! LA 0.80 NL 1.62 OV 1.60 PT 0.68 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.83 FD 1.20 HN 0.60 KP 1.01 ! LA 0.82 NL 1.57 OV 1.73 PT 0.66 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.79 FD 1.21 HN 0.70 KP 1.08 ! LA 0.81 NL 1.61 OV 1.63 PT 0.66 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.71 FD 1.13 HN 0.66 KP 1.04 ! LA 0.80 NL 1.64 OV 1.48 PT 0.70 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.72 FD 1.17 HN 0.64 KP 1.00 ! LA 0.83 NL 1.52 OV 1.59 PT 0.66 ! ! ! Fit before self-cal, rms=0.056401Jy sigma=1.343338 ! Fit after self-cal, rms=0.057379Jy sigma=1.210790 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.209 mas, bmaj=2.789 mas, bpa=89.05 degrees ! Estimated noise=0.173771 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 = 0.0017191 Jy ! Component: 100 - total flux cleaned = 0.0022406 Jy ! Component: 150 - total flux cleaned = 0.00253668 Jy ! Component: 200 - total flux cleaned = 0.00259239 Jy ! Total flux subtracted in 200 components = 0.00259239 Jy ! Clean residual min=-0.003424 max=0.004478 Jy/beam ! Clean residual mean=0.000000 rms=0.001019 Jy/beam ! Combined flux in latest and established models = 0.10219 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 93 components and 0.10219 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=0.057248Jy sigma=1.205172 ! Fit after self-cal, rms=0.058182Jy sigma=1.195798 ! 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=0.058182Jy sigma=1.195798 ! Fit after self-cal, rms=0.058900Jy sigma=1.182114 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.138 mas, bmaj=2.655 mas, bpa=84.82 degrees ! Estimated noise=0.157878 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000433337 Jy ! Component: 100 - total flux cleaned = 0.000619327 Jy ! Component: 150 - total flux cleaned = 0.000704053 Jy ! Component: 200 - total flux cleaned = 0.000811844 Jy ! Total flux subtracted in 200 components = 0.000811844 Jy ! Clean residual min=-0.002308 max=0.002645 Jy/beam ! Clean residual mean=-0.000001 rms=0.000664 Jy/beam ! Combined flux in latest and established models = 0.103002 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 95 components and 0.103002 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=0.058852Jy sigma=1.180972 ! Fit after self-cal, rms=0.058972Jy sigma=1.179408 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 = 3.76814e-05 Jy ! Component: 100 - total flux cleaned = 0.000131737 Jy ! Component: 150 - total flux cleaned = 0.000211382 Jy ! Component: 200 - total flux cleaned = 0.000298184 Jy ! Total flux subtracted in 200 components = 0.000298184 Jy ! Clean residual min=-0.002349 max=0.002565 Jy/beam ! Clean residual mean=-0.000001 rms=0.000663 Jy/beam ! Combined flux in latest and established models = 0.1033 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 101 components and 0.1033 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=0.058942Jy sigma=1.179055 ! Fit after self-cal, rms=0.058914Jy sigma=1.178782 ! 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=0.058914Jy sigma=1.178782 ! Fit after self-cal, rms=0.058392Jy sigma=1.177935 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.108 mas, bmaj=2.621 mas, bpa=83.73 degrees ! Estimated noise=0.150997 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.09478e-05 Jy ! Component: 100 - total flux cleaned = 0.000262033 Jy ! Component: 150 - total flux cleaned = 0.000388067 Jy ! Component: 200 - total flux cleaned = 0.000467405 Jy ! Total flux subtracted in 200 components = 0.000467405 Jy ! Clean residual min=-0.002209 max=0.002491 Jy/beam ! Clean residual mean=-0.000001 rms=0.000616 Jy/beam ! Combined flux in latest and established models = 0.103768 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 104 components and 0.103768 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=0.058369Jy sigma=1.177450 ! Fit after self-cal, rms=0.058387Jy sigma=1.176777 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 = 4.82065e-05 Jy ! Component: 100 - total flux cleaned = 0.000154169 Jy ! Component: 150 - total flux cleaned = 0.000231045 Jy ! Component: 200 - total flux cleaned = 0.0003232 Jy ! Total flux subtracted in 200 components = 0.0003232 Jy ! Clean residual min=-0.002239 max=0.002465 Jy/beam ! Clean residual mean=-0.000001 rms=0.000615 Jy/beam ! Combined flux in latest and established models = 0.104091 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 107 components and 0.104091 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=0.058369Jy sigma=1.176589 ! Fit after self-cal, rms=0.058349Jy sigma=1.176388 ! 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=0.058349Jy sigma=1.176388 ! Fit after self-cal, rms=0.057815Jy sigma=1.176082 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.437 mas, bmaj=3.101 mas, bpa=76.13 degrees ! Estimated noise=0.161715 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000279161 Jy ! Component: 100 - total flux cleaned = 0.000419805 Jy ! Component: 150 - total flux cleaned = 0.000503759 Jy ! Component: 200 - total flux cleaned = 0.000562727 Jy ! Total flux subtracted in 200 components = 0.000562727 Jy ! Clean residual min=-0.002643 max=0.003033 Jy/beam ! Clean residual mean=-0.000001 rms=0.000794 Jy/beam ! Combined flux in latest and established models = 0.104654 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 107 components and 0.104654 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=0.057796Jy sigma=1.175894 ! Fit after self-cal, rms=0.057814Jy sigma=1.175609 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 = 1.23115e-05 Jy ! Component: 100 - total flux cleaned = 9.75931e-05 Jy ! Component: 150 - total flux cleaned = 0.000157046 Jy ! Component: 200 - total flux cleaned = 0.000222161 Jy ! Total flux subtracted in 200 components = 0.000222161 Jy ! Clean residual min=-0.002648 max=0.003044 Jy/beam ! Clean residual mean=-0.000001 rms=0.000792 Jy/beam ! Combined flux in latest and established models = 0.104876 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 107 components and 0.104876 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=0.057801Jy sigma=1.175572 ! Fit after self-cal, rms=0.057806Jy sigma=1.175321 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=2.092 mas, bmaj=2.619 mas, bpa=83.66 degrees ! Estimated noise=0.148109 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.092 x 2.619 at 83.66 degrees (North through East) ! Clean map min=-0.0020837 max=0.03623 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.857 mas, bmaj=2.276 mas, bpa=-88.97 degrees ! Estimated noise=0.355935 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0237241 Jy ! Component: 100 - total flux cleaned = 0.0394696 Jy ! Component: 150 - total flux cleaned = 0.0514586 Jy ! Component: 200 - total flux cleaned = 0.0607913 Jy ! Total flux subtracted in 200 components = 0.0607913 Jy ! Clean residual min=-0.004099 max=0.005482 Jy/beam ! Clean residual mean=-0.000010 rms=0.001298 Jy/beam ! Combined flux in latest and established models = 0.0607913 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 43 model components to the UV plane model. ! The established model now contains 43 components and 0.0607913 Jy ! Inverting map and beam ! Estimated beam: bmin=2.092 mas, bmaj=2.619 mas, bpa=83.66 degrees ! Estimated noise=0.148109 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 = 0.0120706 Jy ! Component: 100 - total flux cleaned = 0.0202971 Jy ! Component: 150 - total flux cleaned = 0.0261261 Jy ! Component: 200 - total flux cleaned = 0.0303046 Jy ! Total flux subtracted in 200 components = 0.0303046 Jy ! Clean residual min=-0.002737 max=0.003588 Jy/beam ! Clean residual mean=-0.000001 rms=0.000863 Jy/beam ! Combined flux in latest and established models = 0.091096 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 74 components and 0.091096 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=2.437 mas, bmaj=3.101 mas, bpa=76.13 degrees ! Estimated noise=0.161715 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00422764 Jy ! Component: 100 - total flux cleaned = 0.00693768 Jy ! Component: 150 - total flux cleaned = 0.00870256 Jy ! Component: 200 - total flux cleaned = 0.00985756 Jy ! Total flux subtracted in 200 components = 0.00985756 Jy ! Clean residual min=-0.002988 max=0.003179 Jy/beam ! Clean residual mean=-0.000001 rms=0.000840 Jy/beam ! Combined flux in latest and established models = 0.100954 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 = 0.000758466 Jy ! Component: 100 - total flux cleaned = 0.00125674 Jy ! Component: 150 - total flux cleaned = 0.00150605 Jy ! Component: 200 - total flux cleaned = 0.00153003 Jy ! Total flux subtracted in 200 components = 0.00153003 Jy ! Clean residual min=-0.002922 max=0.003126 Jy/beam ! Clean residual mean=-0.000000 rms=0.000821 Jy/beam ! Combined flux in latest and established models = 0.102484 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 89 components and 0.102484 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.092 mas, bmaj=2.619 mas, bpa=83.66 degrees ! Estimated noise=0.148109 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000312118 Jy ! Component: 100 - total flux cleaned = -0.000516527 Jy ! Component: 150 - total flux cleaned = -0.000583212 Jy ! Component: 200 - total flux cleaned = -0.000644378 Jy ! Total flux subtracted in 200 components = -0.000644378 Jy ! Clean residual min=-0.002325 max=0.002813 Jy/beam ! Clean residual mean=-0.000000 rms=0.000639 Jy/beam ! Combined flux in latest and established models = 0.101839 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 95 components and 0.101839 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.057935Jy sigma=1.179755 ! Fit after self-cal, rms=0.057744Jy sigma=1.176651 wmodel J2020+2826_X_map.mod ! Writing 95 model components to file: J2020+2826_X_map.mod wobs J2020+2826_X_uvs.fits ! Writing UV FITS file: J2020+2826_X_uvs.fits wwins J2020+2826_X_map.win ! wwins: Wrote 1 windows to J2020+2826_X_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000647616 Jy ! Component: 100 - total flux cleaned = 0.000874271 Jy ! Component: 150 - total flux cleaned = 0.000875919 Jy ! Component: 200 - total flux cleaned = 0.000843264 Jy ! Component: 250 - total flux cleaned = 0.000874566 Jy ! Component: 300 - total flux cleaned = 0.000935729 Jy ! Component: 350 - total flux cleaned = 0.00102368 Jy ! Component: 400 - total flux cleaned = 0.000995168 Jy ! Component: 450 - total flux cleaned = 0.00102329 Jy ! Component: 500 - total flux cleaned = 0.00118256 Jy ! Component: 550 - total flux cleaned = 0.00123375 Jy ! Component: 600 - total flux cleaned = 0.00133369 Jy ! Component: 650 - total flux cleaned = 0.00138218 Jy ! Component: 700 - total flux cleaned = 0.001477 Jy ! Component: 750 - total flux cleaned = 0.00154632 Jy ! Component: 800 - total flux cleaned = 0.00161387 Jy ! Component: 850 - total flux cleaned = 0.00172333 Jy ! Component: 900 - total flux cleaned = 0.00176589 Jy ! Component: 950 - total flux cleaned = 0.00178722 Jy ! Component: 1000 - total flux cleaned = 0.00180777 Jy ! Component: 1050 - total flux cleaned = 0.00182795 Jy ! Component: 1100 - total flux cleaned = 0.00188681 Jy ! Component: 1150 - total flux cleaned = 0.00194459 Jy ! Component: 1200 - total flux cleaned = 0.00201914 Jy ! Component: 1250 - total flux cleaned = 0.00207407 Jy ! Component: 1300 - total flux cleaned = 0.002128 Jy ! Component: 1350 - total flux cleaned = 0.00219876 Jy ! Component: 1400 - total flux cleaned = 0.00225062 Jy ! Component: 1450 - total flux cleaned = 0.00226784 Jy ! Component: 1500 - total flux cleaned = 0.00236857 Jy ! Component: 1550 - total flux cleaned = 0.0024014 Jy ! Component: 1600 - total flux cleaned = 0.00244991 Jy ! Component: 1650 - total flux cleaned = 0.00246604 Jy ! Component: 1700 - total flux cleaned = 0.00254434 Jy ! Component: 1750 - total flux cleaned = 0.00255979 Jy ! Component: 1800 - total flux cleaned = 0.00257515 Jy ! Component: 1850 - total flux cleaned = 0.00264977 Jy ! Component: 1900 - total flux cleaned = 0.00270857 Jy ! Component: 1950 - total flux cleaned = 0.00276645 Jy ! Component: 2000 - total flux cleaned = 0.00280908 Jy ! Component: 2050 - total flux cleaned = 0.00286516 Jy ! Component: 2100 - total flux cleaned = 0.00292047 Jy ! Component: 2150 - total flux cleaned = 0.00297478 Jy ! Component: 2200 - total flux cleaned = 0.00298809 Jy ! Component: 2250 - total flux cleaned = 0.0030541 Jy ! Component: 2300 - total flux cleaned = 0.00310602 Jy ! Component: 2350 - total flux cleaned = 0.00311869 Jy ! Component: 2400 - total flux cleaned = 0.00316925 Jy ! Component: 2450 - total flux cleaned = 0.00318181 Jy ! Component: 2500 - total flux cleaned = 0.00326791 Jy ! Component: 2550 - total flux cleaned = 0.00331634 Jy ! Component: 2600 - total flux cleaned = 0.0033762 Jy ! Component: 2650 - total flux cleaned = 0.00343512 Jy ! Component: 2700 - total flux cleaned = 0.00350472 Jy ! Component: 2750 - total flux cleaned = 0.00358494 Jy ! Component: 2800 - total flux cleaned = 0.00362995 Jy ! Component: 2850 - total flux cleaned = 0.00368578 Jy ! Component: 2900 - total flux cleaned = 0.00376301 Jy ! Component: 2950 - total flux cleaned = 0.00387169 Jy ! Component: 3000 - total flux cleaned = 0.00389293 Jy ! Component: 3050 - total flux cleaned = 0.00390353 Jy ! Component: 3100 - total flux cleaned = 0.00394536 Jy ! Component: 3150 - total flux cleaned = 0.00397647 Jy ! Component: 3200 - total flux cleaned = 0.0040377 Jy ! Component: 3250 - total flux cleaned = 0.00403765 Jy ! Component: 3300 - total flux cleaned = 0.00407734 Jy ! Component: 3350 - total flux cleaned = 0.00412643 Jy ! Component: 3400 - total flux cleaned = 0.00416514 Jy ! Component: 3450 - total flux cleaned = 0.00417457 Jy ! Component: 3500 - total flux cleaned = 0.00421264 Jy ! Component: 3550 - total flux cleaned = 0.00426885 Jy ! Component: 3600 - total flux cleaned = 0.00431514 Jy ! Component: 3650 - total flux cleaned = 0.00434257 Jy ! Component: 3700 - total flux cleaned = 0.00435178 Jy ! Component: 3750 - total flux cleaned = 0.00443204 Jy ! Component: 3800 - total flux cleaned = 0.00445829 Jy ! Component: 3850 - total flux cleaned = 0.00449292 Jy ! Component: 3900 - total flux cleaned = 0.00450149 Jy ! Component: 3950 - total flux cleaned = 0.00453565 Jy ! Component: 4000 - total flux cleaned = 0.00456102 Jy ! Component: 4050 - total flux cleaned = 0.0045862 Jy ! Total flux subtracted in 4096 components = 0.00461111 Jy ! Clean residual min=-0.000473 max=0.000477 Jy/beam ! Clean residual mean=-0.000000 rms=0.000176 Jy/beam ! Combined flux in latest and established models = 0.10645 Jy keep ! Adding 417 model components to the UV plane model. ! The established model now contains 512 components and 0.10645 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2020+2826_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.092 x 2.619 at 83.66 degrees (North through East) ! Clean map min=-0.001756 max=0.035649 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2020+2826_X_map.fits wmodel /vlbi/uf001/uva//J2020+2826_X_map.mod ! Writing 512 model components to file: /vlbi/uf001/uva//J2020+2826_X_map.mod wobs /vlbi/uf001/uva//J2020+2826_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2020+2826_X_uvs.fits wwins /vlbi/uf001/uva//J2020+2826_X_map.win ! wwins: Wrote 2 windows to /vlbi/uf001/uva//J2020+2826_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0356495 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000174516 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.4686 1.4686 2.9372 5.87441 11.7488 23.4976 46.9953 93.9905 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.035 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 204.275 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2020+2826_X_dfm.log closed on Mon Jan 14 05:27:02 2019