! Started logfile: /image_prod/ug002_uva//J1858+0313_X_dfm.log on Thu Mar 5 04:00:11 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//J1858+0313_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1858+0313_X_uva.fits ! AN table 1: 112 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.909439 visibilities/baseline/integration-bin. ! Found source: J1858+0313 ! ! 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 34224 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 J1858+0313_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 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.066396Jy sigma=8.369691 ! Fit after self-cal, rms=0.787546Jy sigma=6.516830 ! 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=0.8321 mas, bmaj=2.933 mas, bpa=-20.52 degrees ! Estimated noise=1.01105 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 = 0.143925 Jy ! Component: 100 - total flux cleaned = 0.232042 Jy ! Total flux subtracted in 100 components = 0.232042 Jy ! Clean residual min=-0.020939 max=0.050532 Jy/beam ! Clean residual mean=-0.000023 rms=0.007869 Jy/beam ! Combined flux in latest and established models = 0.232042 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 24 components and 0.232042 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=0.249508Jy sigma=1.658070 ! Fit after self-cal, rms=0.248840Jy sigma=1.652331 ! Inverting map ! Added new window around map position (1.2, -0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0642867 Jy ! Component: 100 - total flux cleaned = 0.1132 Jy ! Total flux subtracted in 100 components = 0.1132 Jy ! Clean residual min=-0.016006 max=0.037880 Jy/beam ! Clean residual mean=-0.000004 rms=0.005772 Jy/beam ! Combined flux in latest and established models = 0.345242 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 53 components and 0.345242 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=0.197896Jy sigma=1.294084 ! Fit after self-cal, rms=0.197654Jy sigma=1.292124 ! Inverting map ! Added new window around map position (-1.8, 1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0416385 Jy ! Component: 100 - total flux cleaned = 0.0758868 Jy ! Total flux subtracted in 100 components = 0.0758868 Jy ! Clean residual min=-0.013293 max=0.021220 Jy/beam ! Clean residual mean=0.000003 rms=0.004665 Jy/beam ! Combined flux in latest and established models = 0.421129 Jy ! Performing phase self-cal ! Adding 49 model components to the UV plane model. ! The established model now contains 98 components and 0.421129 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=0.167793Jy sigma=1.087915 ! Fit after self-cal, rms=0.167720Jy sigma=1.087308 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.057 mas, bmaj=2.962 mas, bpa=-18.67 degrees ! Estimated noise=0.490937 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 = 0.0685926 Jy ! Component: 100 - total flux cleaned = 0.120577 Jy ! Component: 150 - total flux cleaned = 0.16133 Jy ! Component: 200 - total flux cleaned = 0.194087 Jy ! Total flux subtracted in 200 components = 0.194087 Jy ! Clean residual min=-0.014907 max=0.022126 Jy/beam ! Clean residual mean=0.000049 rms=0.005473 Jy/beam ! Combined flux in latest and established models = 0.615216 Jy ! Performing phase self-cal ! Adding 111 model components to the UV plane model. ! The established model now contains 192 components and 0.615216 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=0.107913Jy sigma=0.698896 ! Fit after self-cal, rms=0.107798Jy sigma=0.698009 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.057 x 2.962 at -18.67 degrees (North through East) ! Clean map min=-0.014749 max=0.20551 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.31 FD 1.11 HN 1.29 KP 0.95 ! LA 0.90 MK 1.10 NL 1.18 PT 0.78 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.34 FD 1.10 HN 1.24 KP 0.92 ! LA 0.91 MK 1.07 NL 1.17 PT 0.80 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.31 FD 1.12 HN 1.27 KP 0.92 ! LA 0.88 MK 1.12 NL 1.15 PT 0.79 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.31 FD 1.12 HN 1.26 KP 0.91 ! LA 0.91 MK 1.05 NL 1.12 PT 0.79 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 1.12 HN 1.20 KP 0.92 ! LA 0.87 MK 1.09 NL 1.11 PT 0.78 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.22 FD 1.11 HN 1.18 KP 0.91 ! LA 0.85 MK 0.99 NL 1.13 PT 0.78 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.09 HN 1.18 KP 0.91 ! LA 0.86 MK 1.03 NL 1.11 PT 0.77 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.08 HN 1.19 KP 0.94 ! LA 0.89 MK 0.97 NL 1.07 PT 0.78 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.09 HN 1.21 KP 0.89 ! LA 0.89 MK 1.02 NL 1.06 PT 0.79 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.11 HN 1.20 KP 0.91 ! LA 0.87 MK 1.09 NL 1.08 PT 0.79 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.08 HN 1.17 KP 0.91 ! LA 0.89 MK 1.00 NL 1.03 PT 0.81 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 1.02 HN 1.20 KP 0.90 ! LA 0.87 MK 0.93 NL 1.05 PT 0.78 ! ! ! Fit before self-cal, rms=0.107798Jy sigma=0.698009 ! Fit after self-cal, rms=0.072392Jy sigma=0.478266 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.088 mas, bmaj=3.11 mas, bpa=-19.07 degrees ! Estimated noise=0.500004 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 = 0.00174936 Jy ! Component: 100 - total flux cleaned = 0.00225849 Jy ! Component: 150 - total flux cleaned = 0.0028706 Jy ! Component: 200 - total flux cleaned = 0.00318871 Jy ! Total flux subtracted in 200 components = 0.00318871 Jy ! Clean residual min=-0.006537 max=0.009373 Jy/beam ! Clean residual mean=0.000006 rms=0.001979 Jy/beam ! Combined flux in latest and established models = 0.618405 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 209 components and 0.618405 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=0.072138Jy sigma=0.475772 ! Fit after self-cal, rms=0.072241Jy sigma=0.475255 ! 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=0.072241Jy sigma=0.475255 ! Fit after self-cal, rms=0.071333Jy sigma=0.455895 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.076 mas, bmaj=3.127 mas, bpa=-18.3 degrees ! Estimated noise=0.486812 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00270666 Jy ! Component: 100 - total flux cleaned = 0.00326026 Jy ! Component: 150 - total flux cleaned = 0.00348809 Jy ! Component: 200 - total flux cleaned = 0.00361893 Jy ! Total flux subtracted in 200 components = 0.00361893 Jy ! Clean residual min=-0.004447 max=0.007564 Jy/beam ! Clean residual mean=0.000004 rms=0.001467 Jy/beam ! Combined flux in latest and established models = 0.622024 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 216 components and 0.622024 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=0.071135Jy sigma=0.453834 ! Fit after self-cal, rms=0.071133Jy sigma=0.453685 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 (1.6, -8.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00719234 Jy ! Component: 100 - total flux cleaned = 0.0105571 Jy ! Component: 150 - total flux cleaned = 0.0116959 Jy ! Component: 200 - total flux cleaned = 0.0128854 Jy ! Total flux subtracted in 200 components = 0.0128854 Jy ! Clean residual min=-0.004129 max=0.005324 Jy/beam ! Clean residual mean=0.000001 rms=0.001245 Jy/beam ! Combined flux in latest and established models = 0.634909 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 245 components and 0.634909 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=0.070479Jy sigma=0.446410 ! Fit after self-cal, rms=0.070420Jy sigma=0.445911 ! Inverting map ! Added new window around map position (-4.6, 3.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00513846 Jy ! Component: 100 - total flux cleaned = 0.00683159 Jy ! Component: 150 - total flux cleaned = 0.00717355 Jy ! Component: 200 - total flux cleaned = 0.00717121 Jy ! Total flux subtracted in 200 components = 0.00717121 Jy ! Clean residual min=-0.003937 max=0.004275 Jy/beam ! Clean residual mean=0.000000 rms=0.001097 Jy/beam ! Combined flux in latest and established models = 0.642081 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 284 components and 0.64208 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=0.070105Jy sigma=0.441157 ! Fit after self-cal, rms=0.070067Jy sigma=0.440750 ! 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=0.070067Jy sigma=0.440750 ! Fit after self-cal, rms=0.069955Jy sigma=0.437664 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.073 mas, bmaj=3.121 mas, bpa=-18.27 degrees ! Estimated noise=0.482142 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0043511 Jy ! Component: 100 - total flux cleaned = 0.0068836 Jy ! Component: 150 - total flux cleaned = 0.0084791 Jy ! Component: 200 - total flux cleaned = 0.0089734 Jy ! Total flux subtracted in 200 components = 0.0089734 Jy ! Clean residual min=-0.003146 max=0.003244 Jy/beam ! Clean residual mean=0.000001 rms=0.000865 Jy/beam ! Combined flux in latest and established models = 0.651054 Jy selfcal ! Performing phase self-cal ! Adding 52 model components to the UV plane model. ! The established model now contains 324 components and 0.651054 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=0.069699Jy sigma=0.434382 ! Fit after self-cal, rms=0.069684Jy sigma=0.434127 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 = 0.00113618 Jy ! Component: 100 - total flux cleaned = 0.00135582 Jy ! Component: 150 - total flux cleaned = 0.00151576 Jy ! Component: 200 - total flux cleaned = 0.00151529 Jy ! Total flux subtracted in 200 components = 0.00151529 Jy ! Clean residual min=-0.003060 max=0.003079 Jy/beam ! Clean residual mean=0.000001 rms=0.000843 Jy/beam ! Combined flux in latest and established models = 0.652569 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 340 components and 0.652569 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=0.069640Jy sigma=0.433617 ! Fit after self-cal, rms=0.069638Jy sigma=0.433593 ! 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=0.069638Jy sigma=0.433593 ! Fit after self-cal, rms=0.069660Jy sigma=0.432309 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.234 mas, bmaj=3.345 mas, bpa=-11.14 degrees ! Estimated noise=0.585177 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00391631 Jy ! Component: 100 - total flux cleaned = 0.00604295 Jy ! Component: 150 - total flux cleaned = 0.00695228 Jy ! Component: 200 - total flux cleaned = 0.00740215 Jy ! Total flux subtracted in 200 components = 0.00740215 Jy ! Clean residual min=-0.003899 max=0.004242 Jy/beam ! Clean residual mean=0.000002 rms=0.001109 Jy/beam ! Combined flux in latest and established models = 0.659971 Jy selfcal ! Performing phase self-cal ! Adding 57 model components to the UV plane model. ! The established model now contains 379 components and 0.659972 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=0.069523Jy sigma=0.430994 ! Fit after self-cal, rms=0.069526Jy sigma=0.430860 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 = 0.000763137 Jy ! Component: 100 - total flux cleaned = 0.0010572 Jy ! Component: 150 - total flux cleaned = 0.00120748 Jy ! Component: 200 - total flux cleaned = 0.00131236 Jy ! Total flux subtracted in 200 components = 0.00131236 Jy ! Clean residual min=-0.003713 max=0.004046 Jy/beam ! Clean residual mean=0.000002 rms=0.001087 Jy/beam ! Combined flux in latest and established models = 0.661284 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 400 components and 0.661284 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=0.069493Jy sigma=0.430668 ! Fit after self-cal, rms=0.069500Jy sigma=0.430630 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=1.073 mas, bmaj=3.118 mas, bpa=-18.34 degrees ! Estimated noise=0.482323 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.073 x 3.118 at -18.34 degrees (North through East) ! Clean map min=-0.0027754 max=0.1949 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=0.8401 mas, bmaj=3.056 mas, bpa=-19.96 degrees ! Estimated noise=1.01384 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.145274 Jy ! Component: 100 - total flux cleaned = 0.233026 Jy ! Component: 150 - total flux cleaned = 0.294526 Jy ! Component: 200 - total flux cleaned = 0.340605 Jy ! Total flux subtracted in 200 components = 0.340605 Jy ! Clean residual min=-0.013071 max=0.026755 Jy/beam ! Clean residual mean=-0.000009 rms=0.004698 Jy/beam ! Combined flux in latest and established models = 0.340605 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 52 model components to the UV plane model. ! The established model now contains 52 components and 0.340605 Jy ! Inverting map and beam ! Estimated beam: bmin=1.073 mas, bmaj=3.118 mas, bpa=-18.34 degrees ! Estimated noise=0.482323 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 = 0.073638 Jy ! Component: 100 - total flux cleaned = 0.124158 Jy ! Component: 150 - total flux cleaned = 0.161102 Jy ! Component: 200 - total flux cleaned = 0.188926 Jy ! Total flux subtracted in 200 components = 0.188926 Jy ! Clean residual min=-0.009176 max=0.016540 Jy/beam ! Clean residual mean=0.000022 rms=0.003682 Jy/beam ! Combined flux in latest and established models = 0.529531 Jy ! Adding 89 model components to the UV plane model. ! The established model now contains 130 components and 0.529531 Jy ! Inverting map ! Added new window around map position (-1.6, -1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0218257 Jy ! Component: 100 - total flux cleaned = 0.0391788 Jy ! Component: 150 - total flux cleaned = 0.0531909 Jy ! Component: 200 - total flux cleaned = 0.0646253 Jy ! Total flux subtracted in 200 components = 0.0646253 Jy ! Clean residual min=-0.005145 max=0.007602 Jy/beam ! Clean residual mean=0.000011 rms=0.001873 Jy/beam ! Combined flux in latest and established models = 0.594157 Jy ! Adding 84 model components to the UV plane model. ! The established model now contains 201 components and 0.594156 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=2.234 mas, bmaj=3.345 mas, bpa=-11.14 degrees ! Estimated noise=0.585177 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0158705 Jy ! Component: 100 - total flux cleaned = 0.0272402 Jy ! Component: 150 - total flux cleaned = 0.0358927 Jy ! Component: 200 - total flux cleaned = 0.042601 Jy ! Total flux subtracted in 200 components = 0.042601 Jy ! Clean residual min=-0.005012 max=0.005719 Jy/beam ! Clean residual mean=0.000009 rms=0.001541 Jy/beam ! Combined flux in latest and established models = 0.636757 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 = 0.00525753 Jy ! Component: 100 - total flux cleaned = 0.0094182 Jy ! Component: 150 - total flux cleaned = 0.012746 Jy ! Component: 200 - total flux cleaned = 0.014929 Jy ! Total flux subtracted in 200 components = 0.014929 Jy ! Clean residual min=-0.003855 max=0.004563 Jy/beam ! Clean residual mean=0.000004 rms=0.001158 Jy/beam ! Combined flux in latest and established models = 0.651686 Jy ! Adding 144 model components to the UV plane model. ! The established model now contains 327 components and 0.651686 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.073 mas, bmaj=3.118 mas, bpa=-18.34 degrees ! Estimated noise=0.482323 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000984358 Jy ! Component: 100 - total flux cleaned = 0.0022815 Jy ! Component: 150 - total flux cleaned = 0.00316497 Jy ! Component: 200 - total flux cleaned = 0.00396772 Jy ! Total flux subtracted in 200 components = 0.00396772 Jy ! Clean residual min=-0.002584 max=0.002982 Jy/beam ! Clean residual mean=0.000002 rms=0.000714 Jy/beam ! Combined flux in latest and established models = 0.655654 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 358 components and 0.655654 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=0.069604Jy sigma=0.430721 ! Fit after self-cal, rms=0.069587Jy sigma=0.430251 wmodel J1858+0313_X_map.mod ! Writing 358 model components to file: J1858+0313_X_map.mod wobs J1858+0313_X_uvs.fits ! Writing UV FITS file: J1858+0313_X_uvs.fits wwins J1858+0313_X_map.win ! wwins: Wrote 6 windows to J1858+0313_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 = 0.000623651 Jy ! Component: 100 - total flux cleaned = 0.000856453 Jy ! Component: 150 - total flux cleaned = 0.00107657 Jy ! Component: 200 - total flux cleaned = 0.00124345 Jy ! Component: 250 - total flux cleaned = 0.00128253 Jy ! Component: 300 - total flux cleaned = 0.00116904 Jy ! Component: 350 - total flux cleaned = 0.00120682 Jy ! Component: 400 - total flux cleaned = 0.00113634 Jy ! Component: 450 - total flux cleaned = 0.00103355 Jy ! Component: 500 - total flux cleaned = 0.0010338 Jy ! Component: 550 - total flux cleaned = 0.00100188 Jy ! Component: 600 - total flux cleaned = 0.000970809 Jy ! Component: 650 - total flux cleaned = 0.00100168 Jy ! Component: 700 - total flux cleaned = 0.000970908 Jy ! Component: 750 - total flux cleaned = 0.00091219 Jy ! Component: 800 - total flux cleaned = 0.00082679 Jy ! Component: 850 - total flux cleaned = 0.000743114 Jy ! Component: 900 - total flux cleaned = 0.000715868 Jy ! Component: 950 - total flux cleaned = 0.000609975 Jy ! Component: 1000 - total flux cleaned = 0.000557671 Jy ! Component: 1050 - total flux cleaned = 0.000430495 Jy ! Component: 1100 - total flux cleaned = 0.000380406 Jy ! Component: 1150 - total flux cleaned = 0.000257455 Jy ! Component: 1200 - total flux cleaned = 0.000161524 Jy ! Component: 1250 - total flux cleaned = 0.000114359 Jy ! Component: 1300 - total flux cleaned = -1.92867e-06 Jy ! Component: 1350 - total flux cleaned = -2.49384e-05 Jy ! Component: 1400 - total flux cleaned = -0.000137656 Jy ! Component: 1450 - total flux cleaned = -0.000204441 Jy ! Component: 1500 - total flux cleaned = -0.000377744 Jy ! Component: 1550 - total flux cleaned = -0.000355907 Jy ! Component: 1600 - total flux cleaned = -0.000377349 Jy ! Component: 1650 - total flux cleaned = -0.000502026 Jy ! Component: 1700 - total flux cleaned = -0.000522608 Jy ! Component: 1750 - total flux cleaned = -0.000583042 Jy ! Component: 1800 - total flux cleaned = -0.000741324 Jy ! Component: 1850 - total flux cleaned = -0.000838761 Jy ! Component: 1900 - total flux cleaned = -0.000876872 Jy ! Component: 1950 - total flux cleaned = -0.000914704 Jy ! Component: 2000 - total flux cleaned = -0.000952106 Jy ! Component: 2050 - total flux cleaned = -0.0010803 Jy ! Component: 2100 - total flux cleaned = -0.00108061 Jy ! Component: 2150 - total flux cleaned = -0.00115209 Jy ! Component: 2200 - total flux cleaned = -0.00124013 Jy ! Component: 2250 - total flux cleaned = -0.00129208 Jy ! Component: 2300 - total flux cleaned = -0.00129184 Jy ! Component: 2350 - total flux cleaned = -0.00139359 Jy ! Component: 2400 - total flux cleaned = -0.00146029 Jy ! Component: 2450 - total flux cleaned = -0.00147639 Jy ! Component: 2500 - total flux cleaned = -0.00144384 Jy ! Component: 2550 - total flux cleaned = -0.00152395 Jy ! Component: 2600 - total flux cleaned = -0.00146031 Jy ! Component: 2650 - total flux cleaned = -0.00144467 Jy ! Component: 2700 - total flux cleaned = -0.00146027 Jy ! Component: 2750 - total flux cleaned = -0.00146006 Jy ! Component: 2800 - total flux cleaned = -0.00147496 Jy ! Component: 2850 - total flux cleaned = -0.00146002 Jy ! Component: 2900 - total flux cleaned = -0.00147473 Jy ! Component: 2950 - total flux cleaned = -0.00147468 Jy ! Component: 3000 - total flux cleaned = -0.00147484 Jy ! Component: 3050 - total flux cleaned = -0.00146038 Jy ! Component: 3100 - total flux cleaned = -0.00150249 Jy ! Component: 3150 - total flux cleaned = -0.00144673 Jy ! Component: 3200 - total flux cleaned = -0.00152923 Jy ! Component: 3250 - total flux cleaned = -0.00151546 Jy ! Component: 3300 - total flux cleaned = -0.00154233 Jy ! Component: 3350 - total flux cleaned = -0.0015688 Jy ! Component: 3400 - total flux cleaned = -0.00158196 Jy ! Component: 3450 - total flux cleaned = -0.00156888 Jy ! Component: 3500 - total flux cleaned = -0.00158168 Jy ! Component: 3550 - total flux cleaned = -0.00154357 Jy ! Component: 3600 - total flux cleaned = -0.00161948 Jy ! Component: 3650 - total flux cleaned = -0.00160685 Jy ! Component: 3700 - total flux cleaned = -0.00166869 Jy ! Component: 3750 - total flux cleaned = -0.00163183 Jy ! Component: 3800 - total flux cleaned = -0.00157154 Jy ! Component: 3850 - total flux cleaned = -0.00160773 Jy ! Component: 3900 - total flux cleaned = -0.00163129 Jy ! Component: 3950 - total flux cleaned = -0.0015959 Jy ! Component: 4000 - total flux cleaned = -0.00156105 Jy ! Component: 4050 - total flux cleaned = -0.0015959 Jy ! Total flux subtracted in 4096 components = -0.00158446 Jy ! Clean residual min=-0.000688 max=0.000728 Jy/beam ! Clean residual mean=-0.000001 rms=0.000228 Jy/beam ! Combined flux in latest and established models = 0.654069 Jy keep ! Adding 368 model components to the UV plane model. ! The established model now contains 726 components and 0.654069 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1858+0313_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.073 x 3.118 at -18.34 degrees (North through East) ! Clean map min=-0.0019485 max=0.20101 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1858+0313_X_map.fits wmodel /image_prod/ug002_uva//J1858+0313_X_map.mod ! Writing 726 model components to file: /image_prod/ug002_uva//J1858+0313_X_map.mod wobs /image_prod/ug002_uva//J1858+0313_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1858+0313_X_uvs.fits wwins /image_prod/ug002_uva//J1858+0313_X_map.win ! wwins: Wrote 7 windows to /image_prod/ug002_uva//J1858+0313_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.201013 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000224049 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.334379 0.334379 0.668758 1.33752 2.67503 5.35006 10.7001 21.4002 42.8005 85.601 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.201 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 897.185 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1858+0313_X_dfm.log closed on Thu Mar 5 04:00:17 2020