! Started logfile: /image_prod/ug002_uva//J1957+3427_X_dfm.log on Thu Mar 5 04:29:56 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//J1957+3427_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1957+3427_X_uva.fits ! AN table 1: 75 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.999407 visibilities/baseline/integration-bin. ! Found source: J1957+3427 ! ! 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 40476 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 J1957+3427_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. ! ! 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=1.003421Jy sigma=9.210079 ! Fit after self-cal, rms=0.961802Jy sigma=8.832597 ! 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=0.7406 mas, bmaj=1.264 mas, bpa=-9.708 degrees ! Estimated noise=0.952853 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 = 0.0302229 Jy ! Component: 100 - total flux cleaned = 0.0369135 Jy ! Total flux subtracted in 100 components = 0.0369135 Jy ! Clean residual min=-0.002949 max=0.002878 Jy/beam ! Clean residual mean=-0.000001 rms=0.000659 Jy/beam ! Combined flux in latest and established models = 0.0369135 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.0369135 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=0.059790Jy sigma=0.495605 ! Fit after self-cal, rms=0.057968Jy sigma=0.478221 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00434789 Jy ! Component: 100 - total flux cleaned = 0.00587968 Jy ! Total flux subtracted in 100 components = 0.00587968 Jy ! Clean residual min=-0.002756 max=0.002732 Jy/beam ! Clean residual mean=-0.000001 rms=0.000644 Jy/beam ! Combined flux in latest and established models = 0.0427932 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0427932 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=0.057628Jy sigma=0.475317 ! Fit after self-cal, rms=0.057632Jy sigma=0.475280 ! 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=0.9985 mas, bmaj=1.592 mas, bpa=-8.207 degrees ! Estimated noise=0.390498 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 = 0.000573949 Jy ! Component: 100 - total flux cleaned = 0.000495312 Jy ! Component: 150 - total flux cleaned = 0.000430978 Jy ! Component: 200 - total flux cleaned = 0.000403898 Jy ! Total flux subtracted in 200 components = 0.000403898 Jy ! Clean residual min=-0.001456 max=0.001545 Jy/beam ! Clean residual mean=-0.000003 rms=0.000330 Jy/beam ! Combined flux in latest and established models = 0.0431971 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 14 components and 0.0431971 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=0.057613Jy sigma=0.475173 ! Fit after self-cal, rms=0.057608Jy sigma=0.475166 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9985 x 1.592 at -8.207 degrees (North through East) ! Clean map min=-0.0013614 max=0.042544 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 HN 1.01 KP 1.04 ! LA 1.02 MK 0.98 NL 1.18 OV 1.00 ! PT 0.89 SC 0.90 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.91 HN 1.05 KP 1.02 ! LA 1.04 MK 1.02 NL 1.24 OV 0.93 ! PT 0.91 SC 0.87 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.97 HN 0.95 KP 1.06 ! LA 1.00 MK 1.02 NL 1.22 OV 0.93 ! PT 0.90 SC 0.93 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.94 HN 1.04 KP 1.06 ! LA 1.04 MK 1.06 NL 1.21 OV 0.98 ! PT 0.93 SC 0.89 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.01 HN 1.08 KP 1.04 ! LA 1.01 MK 1.03 NL 1.26 OV 0.99 ! PT 0.88 SC 0.88 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.01 HN 1.00 KP 1.08 ! LA 1.00 MK 1.04 NL 1.20 OV 0.97 ! PT 0.86 SC 0.88 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 HN 0.95 KP 1.06 ! LA 1.01 MK 1.02 NL 1.18 OV 0.91 ! PT 0.86 SC 0.91 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.96 HN 0.95 KP 0.98 ! LA 0.98 MK 1.00 NL 1.23 OV 0.96 ! PT 0.92 SC 0.91 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.95 HN 0.99 KP 1.03 ! LA 1.01 MK 1.07 NL 1.25 OV 1.02 ! PT 0.92 SC 0.85 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.98 HN 1.03 KP 1.04 ! LA 1.02 MK 1.05 NL 1.22 OV 0.91 ! PT 0.91 SC 0.94 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 HN 0.94 KP 1.01 ! LA 1.03 MK 1.04 NL 1.16 OV 0.95 ! PT 0.88 SC 0.81 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.96 HN 1.03 KP 1.05 ! LA 1.07 MK 0.92 NL 1.17 OV 0.98 ! PT 0.86 SC 0.83 ! ! ! Fit before self-cal, rms=0.057608Jy sigma=0.475166 ! Fit after self-cal, rms=0.054906Jy sigma=0.472913 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9901 mas, bmaj=1.572 mas, bpa=-5.934 degrees ! Estimated noise=0.388001 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 (-4.6, -5.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00142206 Jy ! Component: 100 - total flux cleaned = 0.00225784 Jy ! Component: 150 - total flux cleaned = 0.002881 Jy ! Component: 200 - total flux cleaned = 0.00327498 Jy ! Total flux subtracted in 200 components = 0.00327498 Jy ! Clean residual min=-0.000931 max=0.000829 Jy/beam ! Clean residual mean=-0.000001 rms=0.000211 Jy/beam ! Combined flux in latest and established models = 0.046472 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 32 components and 0.046472 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=0.054868Jy sigma=0.472461 ! Fit after self-cal, rms=0.054843Jy sigma=0.472118 ! 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=0.054843Jy sigma=0.472118 ! Fit after self-cal, rms=0.055140Jy sigma=0.471148 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9852 mas, bmaj=1.574 mas, bpa=-6.571 degrees ! Estimated noise=0.387012 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000687819 Jy ! Component: 100 - total flux cleaned = 0.00110592 Jy ! Component: 150 - total flux cleaned = 0.00124787 Jy ! Component: 200 - total flux cleaned = 0.00136766 Jy ! Total flux subtracted in 200 components = 0.00136766 Jy ! Clean residual min=-0.000795 max=0.000773 Jy/beam ! Clean residual mean=-0.000001 rms=0.000186 Jy/beam ! Combined flux in latest and established models = 0.0478397 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 46 components and 0.0478397 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=0.055131Jy sigma=0.471038 ! Fit after self-cal, rms=0.055171Jy sigma=0.470901 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 = 0.000227965 Jy ! Component: 100 - total flux cleaned = 0.00028711 Jy ! Component: 150 - total flux cleaned = 0.000339012 Jy ! Component: 200 - total flux cleaned = 0.000377169 Jy ! Total flux subtracted in 200 components = 0.000377169 Jy ! Clean residual min=-0.000795 max=0.000757 Jy/beam ! Clean residual mean=-0.000001 rms=0.000185 Jy/beam ! Combined flux in latest and established models = 0.0482169 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 49 components and 0.0482169 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=0.055168Jy sigma=0.470872 ! Fit after self-cal, rms=0.055169Jy sigma=0.470870 ! 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=0.055169Jy sigma=0.470870 ! Fit after self-cal, rms=0.055394Jy sigma=0.470847 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9828 mas, bmaj=1.575 mas, bpa=-6.62 degrees ! Estimated noise=0.387615 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000255599 Jy ! Component: 100 - total flux cleaned = 0.00033738 Jy ! Component: 150 - total flux cleaned = 0.000394687 Jy ! Component: 200 - total flux cleaned = 0.000427183 Jy ! Total flux subtracted in 200 components = 0.000427183 Jy ! Clean residual min=-0.000790 max=0.000767 Jy/beam ! Clean residual mean=-0.000001 rms=0.000184 Jy/beam ! Combined flux in latest and established models = 0.0486441 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 58 components and 0.0486441 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=0.055392Jy sigma=0.470825 ! Fit after self-cal, rms=0.055400Jy sigma=0.470817 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 = 6.06212e-05 Jy ! Component: 100 - total flux cleaned = 7.21253e-05 Jy ! Component: 150 - total flux cleaned = 7.75744e-05 Jy ! Component: 200 - total flux cleaned = 9.32042e-05 Jy ! Total flux subtracted in 200 components = 9.32042e-05 Jy ! Clean residual min=-0.000788 max=0.000771 Jy/beam ! Clean residual mean=-0.000001 rms=0.000184 Jy/beam ! Combined flux in latest and established models = 0.0487373 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 62 components and 0.0487373 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=0.055399Jy sigma=0.470807 ! Fit after self-cal, rms=0.055399Jy sigma=0.470807 ! 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=0.055399Jy sigma=0.470807 ! Fit after self-cal, rms=0.055515Jy sigma=0.470804 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.23 mas, bmaj=2.627 mas, bpa=-0.5794 degrees ! Estimated noise=0.480379 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.8603e-05 Jy ! Component: 100 - total flux cleaned = 4.91193e-05 Jy ! Component: 150 - total flux cleaned = 7.76645e-05 Jy ! Component: 200 - total flux cleaned = 0.000101417 Jy ! Total flux subtracted in 200 components = 0.000101417 Jy ! Clean residual min=-0.000831 max=0.001097 Jy/beam ! Clean residual mean=-0.000002 rms=0.000237 Jy/beam ! Combined flux in latest and established models = 0.0488387 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 72 components and 0.0488387 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=0.055515Jy sigma=0.470801 ! Fit after self-cal, rms=0.055516Jy sigma=0.470795 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 (-0.6, 5.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000979847 Jy ! Component: 100 - total flux cleaned = 0.0012782 Jy ! Component: 150 - total flux cleaned = 0.00127909 Jy ! Component: 200 - total flux cleaned = 0.00124057 Jy ! Total flux subtracted in 200 components = 0.00124057 Jy ! Clean residual min=-0.000788 max=0.000794 Jy/beam ! Clean residual mean=-0.000001 rms=0.000208 Jy/beam ! Combined flux in latest and established models = 0.0500792 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 100 components and 0.0500793 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=0.055505Jy sigma=0.470686 ! Fit after self-cal, rms=0.055501Jy sigma=0.470649 ! 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=0.9802 mas, bmaj=1.574 mas, bpa=-6.634 degrees ! Estimated noise=0.388425 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9802 x 1.574 at -6.634 degrees (North through East) ! Clean map min=-0.00064157 max=0.04265 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=0.7288 mas, bmaj=1.249 mas, bpa=-8.689 degrees ! Estimated noise=0.927706 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0315567 Jy ! Component: 100 - total flux cleaned = 0.038997 Jy ! Component: 150 - total flux cleaned = 0.041509 Jy ! Component: 200 - total flux cleaned = 0.0427853 Jy ! Total flux subtracted in 200 components = 0.0427853 Jy ! Clean residual min=-0.002574 max=0.002439 Jy/beam ! Clean residual mean=-0.000001 rms=0.000585 Jy/beam ! Combined flux in latest and established models = 0.0427853 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 19 model components to the UV plane model. ! The established model now contains 19 components and 0.0427853 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9802 mas, bmaj=1.574 mas, bpa=-6.634 degrees ! Estimated noise=0.388425 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 = 0.00194848 Jy ! Component: 100 - total flux cleaned = 0.00313173 Jy ! Component: 150 - total flux cleaned = 0.00405742 Jy ! Component: 200 - total flux cleaned = 0.00484273 Jy ! Total flux subtracted in 200 components = 0.00484273 Jy ! Clean residual min=-0.000838 max=0.000765 Jy/beam ! Clean residual mean=-0.000001 rms=0.000189 Jy/beam ! Combined flux in latest and established models = 0.0476281 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 42 components and 0.0476281 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=2.23 mas, bmaj=2.627 mas, bpa=-0.5794 degrees ! Estimated noise=0.480379 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000904595 Jy ! Component: 100 - total flux cleaned = 0.0014986 Jy ! Component: 150 - total flux cleaned = 0.00174452 Jy ! Component: 200 - total flux cleaned = 0.00191881 Jy ! Total flux subtracted in 200 components = 0.00191881 Jy ! Clean residual min=-0.000807 max=0.000831 Jy/beam ! Clean residual mean=-0.000001 rms=0.000215 Jy/beam ! Combined flux in latest and established models = 0.0495469 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 = 0.000135898 Jy ! Component: 100 - total flux cleaned = 0.000226017 Jy ! Component: 150 - total flux cleaned = 0.000294576 Jy ! Component: 200 - total flux cleaned = 0.000381849 Jy ! Total flux subtracted in 200 components = 0.000381849 Jy ! Clean residual min=-0.000797 max=0.000792 Jy/beam ! Clean residual mean=-0.000001 rms=0.000207 Jy/beam ! Combined flux in latest and established models = 0.0499288 Jy ! Adding 58 model components to the UV plane model. ! The established model now contains 93 components and 0.0499287 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9802 mas, bmaj=1.574 mas, bpa=-6.634 degrees ! Estimated noise=0.388425 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.93367e-05 Jy ! Component: 100 - total flux cleaned = 0.000121559 Jy ! Component: 150 - total flux cleaned = 0.000180822 Jy ! Component: 200 - total flux cleaned = 0.000264393 Jy ! Total flux subtracted in 200 components = 0.000264393 Jy ! Clean residual min=-0.000734 max=0.000711 Jy/beam ! Clean residual mean=-0.000000 rms=0.000171 Jy/beam ! Combined flux in latest and established models = 0.0501931 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 120 components and 0.0501931 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=0.055495Jy sigma=0.470606 ! Fit after self-cal, rms=0.055492Jy sigma=0.470580 wmodel J1957+3427_X_map.mod ! Writing 120 model components to file: J1957+3427_X_map.mod wobs J1957+3427_X_uvs.fits ! Writing UV FITS file: J1957+3427_X_uvs.fits wwins J1957+3427_X_map.win ! wwins: Wrote 3 windows to J1957+3427_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 = -5.31011e-05 Jy ! Component: 100 - total flux cleaned = -0.000128943 Jy ! Component: 150 - total flux cleaned = -0.000189531 Jy ! Component: 200 - total flux cleaned = -0.000248557 Jy ! Component: 250 - total flux cleaned = -0.000362966 Jy ! Component: 300 - total flux cleaned = -0.000463592 Jy ! Component: 350 - total flux cleaned = -0.000540175 Jy ! Component: 400 - total flux cleaned = -0.000593944 Jy ! Component: 450 - total flux cleaned = -0.000615155 Jy ! Component: 500 - total flux cleaned = -0.000656918 Jy ! Component: 550 - total flux cleaned = -0.000697898 Jy ! Component: 600 - total flux cleaned = -0.000728228 Jy ! Component: 650 - total flux cleaned = -0.000748151 Jy ! Component: 700 - total flux cleaned = -0.000757892 Jy ! Component: 750 - total flux cleaned = -0.00079691 Jy ! Component: 800 - total flux cleaned = -0.00076805 Jy ! Component: 850 - total flux cleaned = -0.000835104 Jy ! Component: 900 - total flux cleaned = -0.000844625 Jy ! Component: 950 - total flux cleaned = -0.000919581 Jy ! Component: 1000 - total flux cleaned = -0.000974941 Jy ! Component: 1050 - total flux cleaned = -0.000965794 Jy ! Component: 1100 - total flux cleaned = -0.00102024 Jy ! Component: 1150 - total flux cleaned = -0.00104714 Jy ! Component: 1200 - total flux cleaned = -0.00105601 Jy ! Component: 1250 - total flux cleaned = -0.00106497 Jy ! Component: 1300 - total flux cleaned = -0.00108245 Jy ! Component: 1350 - total flux cleaned = -0.00107391 Jy ! Component: 1400 - total flux cleaned = -0.00110855 Jy ! Component: 1450 - total flux cleaned = -0.00110852 Jy ! Component: 1500 - total flux cleaned = -0.00112536 Jy ! Component: 1550 - total flux cleaned = -0.00111698 Jy ! Component: 1600 - total flux cleaned = -0.00115041 Jy ! Component: 1650 - total flux cleaned = -0.00118346 Jy ! Component: 1700 - total flux cleaned = -0.00119167 Jy ! Component: 1750 - total flux cleaned = -0.00120793 Jy ! Component: 1800 - total flux cleaned = -0.0012321 Jy ! Component: 1850 - total flux cleaned = -0.00123214 Jy ! Component: 1900 - total flux cleaned = -0.00124797 Jy ! Component: 1950 - total flux cleaned = -0.00124009 Jy ! Component: 2000 - total flux cleaned = -0.00127149 Jy ! Component: 2050 - total flux cleaned = -0.00125593 Jy ! Component: 2100 - total flux cleaned = -0.00129466 Jy ! Component: 2150 - total flux cleaned = -0.00129468 Jy ! Component: 2200 - total flux cleaned = -0.00130997 Jy ! Component: 2250 - total flux cleaned = -0.00133275 Jy ! Component: 2300 - total flux cleaned = -0.00132524 Jy ! Component: 2350 - total flux cleaned = -0.00136269 Jy ! Component: 2400 - total flux cleaned = -0.00135525 Jy ! Component: 2450 - total flux cleaned = -0.00142194 Jy ! Component: 2500 - total flux cleaned = -0.00142935 Jy ! Component: 2550 - total flux cleaned = -0.00143665 Jy ! Component: 2600 - total flux cleaned = -0.00147299 Jy ! Component: 2650 - total flux cleaned = -0.00152362 Jy ! Component: 2700 - total flux cleaned = -0.00150201 Jy ! Component: 2750 - total flux cleaned = -0.00155925 Jy ! Component: 2800 - total flux cleaned = -0.00161612 Jy ! Component: 2850 - total flux cleaned = -0.00167266 Jy ! Component: 2900 - total flux cleaned = -0.00167962 Jy ! Component: 2950 - total flux cleaned = -0.00167257 Jy ! Component: 3000 - total flux cleaned = -0.00172821 Jy ! Component: 3050 - total flux cleaned = -0.00175584 Jy ! Component: 3100 - total flux cleaned = -0.00176956 Jy ! Component: 3150 - total flux cleaned = -0.00181064 Jy ! Component: 3200 - total flux cleaned = -0.00185146 Jy ! Component: 3250 - total flux cleaned = -0.00185824 Jy ! Component: 3300 - total flux cleaned = -0.00188522 Jy ! Component: 3350 - total flux cleaned = -0.00189194 Jy ! Component: 3400 - total flux cleaned = -0.00195199 Jy ! Component: 3450 - total flux cleaned = -0.00197188 Jy ! Component: 3500 - total flux cleaned = -0.00199174 Jy ! Component: 3550 - total flux cleaned = -0.00202463 Jy ! Component: 3600 - total flux cleaned = -0.00201809 Jy ! Component: 3650 - total flux cleaned = -0.00205719 Jy ! Component: 3700 - total flux cleaned = -0.00208961 Jy ! Component: 3750 - total flux cleaned = -0.00207672 Jy ! Component: 3800 - total flux cleaned = -0.00209604 Jy ! Component: 3850 - total flux cleaned = -0.00211526 Jy ! Component: 3900 - total flux cleaned = -0.00213435 Jy ! Component: 3950 - total flux cleaned = -0.00215971 Jy ! Component: 4000 - total flux cleaned = -0.00218496 Jy ! Component: 4050 - total flux cleaned = -0.00217239 Jy ! Total flux subtracted in 4096 components = -0.00220997 Jy ! Clean residual min=-0.000374 max=0.000455 Jy/beam ! Clean residual mean=0.000000 rms=0.000108 Jy/beam ! Combined flux in latest and established models = 0.0479832 Jy keep ! Adding 324 model components to the UV plane model. ! The established model now contains 444 components and 0.0479832 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1957+3427_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9802 x 1.574 at -6.634 degrees (North through East) ! Clean map min=-0.00058939 max=0.042443 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1957+3427_X_map.fits wmodel /image_prod/ug002_uva//J1957+3427_X_map.mod ! Writing 444 model components to file: /image_prod/ug002_uva//J1957+3427_X_map.mod wobs /image_prod/ug002_uva//J1957+3427_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1957+3427_X_uvs.fits wwins /image_prod/ug002_uva//J1957+3427_X_map.win ! wwins: Wrote 4 windows to /image_prod/ug002_uva//J1957+3427_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0424425 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000107224 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.757899 0.757899 1.5158 3.0316 6.06319 12.1264 24.2528 48.5055 97.0111 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.042 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 395.831 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1957+3427_X_dfm.log closed on Thu Mar 5 04:30:02 2020