! Started logfile: /vlbi/uf001/uva//J1736+0631_X_dfm.log on Mon Jan 14 04:15:07 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//J1736+0631_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1736+0631_X_uva.fits ! AN table 1: 57 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.923977 visibilities/baseline/integration-bin. ! Found source: J1736+0631 ! ! 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 28440 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 J1736+0631_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 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.004500Jy sigma=23.097820 ! Fit after self-cal, rms=0.916564Jy sigma=21.248715 ! 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=0.7243 mas, bmaj=1.664 mas, bpa=-2.409 degrees ! Estimated noise=0.335833 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 = 0.0622553 Jy ! Component: 100 - total flux cleaned = 0.0764557 Jy ! Total flux subtracted in 100 components = 0.0764557 Jy ! Clean residual min=-0.003057 max=0.005119 Jy/beam ! Clean residual mean=-0.000005 rms=0.000772 Jy/beam ! Combined flux in latest and established models = 0.0764557 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.0764557 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=0.079848Jy sigma=1.317355 ! Fit after self-cal, rms=0.079500Jy sigma=1.306470 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00546992 Jy ! Component: 100 - total flux cleaned = 0.00722821 Jy ! Total flux subtracted in 100 components = 0.00722821 Jy ! Clean residual min=-0.003274 max=0.004102 Jy/beam ! Clean residual mean=-0.000004 rms=0.000737 Jy/beam ! Combined flux in latest and established models = 0.0836839 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 11 components and 0.0836839 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=0.078675Jy sigma=1.299764 ! Fit after self-cal, rms=0.078677Jy sigma=1.299601 ! 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=0.918 mas, bmaj=1.945 mas, bpa=-0.5967 degrees ! Estimated noise=0.197311 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 = 0.0024846 Jy ! Component: 100 - total flux cleaned = 0.00367837 Jy ! Component: 150 - total flux cleaned = 0.00413484 Jy ! Component: 200 - total flux cleaned = 0.00424268 Jy ! Total flux subtracted in 200 components = 0.00424268 Jy ! Clean residual min=-0.003284 max=0.004370 Jy/beam ! Clean residual mean=-0.000007 rms=0.000883 Jy/beam ! Combined flux in latest and established models = 0.0879265 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 22 components and 0.0879265 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=0.078427Jy sigma=1.299734 ! Fit after self-cal, rms=0.078428Jy sigma=1.299602 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.918 x 1.945 at -0.5967 degrees (North through East) ! Clean map min=-0.0032466 max=0.080497 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 0.97 KP 0.88 ! LA 0.98 MK 1.00 NL 1.12 OV 1.13 ! PT 0.90 SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.00 HN 0.94 KP 0.85 ! LA 0.99 MK 0.96 NL 1.12 OV 1.14 ! PT 0.92 SC 0.91 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.02 HN 0.95 KP 0.88 ! LA 0.98 MK 1.06 NL 1.12 OV 1.15 ! PT 0.89 SC 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.01 HN 0.94 KP 0.87 ! LA 1.04 MK 0.94 NL 1.08 OV 1.21 ! PT 0.91 SC 0.93 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.04 HN 0.94 KP 0.90 ! LA 0.96 MK 1.04 NL 1.21 OV 1.09 ! PT 0.91 SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.00 HN 0.96 KP 0.93 ! LA 0.99 MK 1.02 NL 1.11 OV 1.12 ! PT 0.90 SC 1.00 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.02 HN 0.99 KP 0.89 ! LA 0.95 MK 0.95 NL 1.13 OV 1.15 ! PT 0.92 SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 0.97 HN 0.96 KP 0.91 ! LA 0.97 MK 1.02 NL 1.18 OV 1.09 ! PT 0.91 SC 0.99 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.96 HN 0.91 KP 0.85 ! LA 1.00 MK 1.02 NL 1.14 OV 1.12 ! PT 0.91 SC 0.96 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.99 HN 0.96 KP 0.95 ! LA 0.95 MK 1.01 NL 1.19 OV 1.16 ! PT 0.90 SC 0.96 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.97 HN 0.94 KP 0.93 ! LA 0.97 MK 1.02 NL 1.19 OV 1.11 ! PT 0.91 SC 0.94 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.98 HN 1.00 KP 0.88 ! LA 0.99 MK 1.04 NL 1.13 OV 1.20 ! PT 0.91 SC 0.94 ! ! ! Fit before self-cal, rms=0.078428Jy sigma=1.299602 ! Fit after self-cal, rms=0.074429Jy sigma=1.280362 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9109 mas, bmaj=1.948 mas, bpa=-0.3511 degrees ! Estimated noise=0.201065 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 (-3, -17). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00292782 Jy ! Component: 100 - total flux cleaned = 0.00367303 Jy ! Component: 150 - total flux cleaned = 0.00425134 Jy ! Component: 200 - total flux cleaned = 0.00469509 Jy ! Total flux subtracted in 200 components = 0.00469509 Jy ! Clean residual min=-0.002519 max=0.003426 Jy/beam ! Clean residual mean=-0.000005 rms=0.000698 Jy/beam ! Combined flux in latest and established models = 0.0926216 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 48 components and 0.0926216 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=0.074156Jy sigma=1.277948 ! Fit after self-cal, rms=0.074119Jy sigma=1.276777 ! 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=0.074119Jy sigma=1.276777 ! Fit after self-cal, rms=0.064466Jy sigma=1.246287 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9149 mas, bmaj=1.959 mas, bpa=-0.2838 degrees ! Estimated noise=0.200384 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000978783 Jy ! Component: 100 - total flux cleaned = -0.00110697 Jy ! Component: 150 - total flux cleaned = -0.00112613 Jy ! Component: 200 - total flux cleaned = -0.00114311 Jy ! Total flux subtracted in 200 components = -0.00114311 Jy ! Clean residual min=-0.001183 max=0.001057 Jy/beam ! Clean residual mean=-0.000001 rms=0.000251 Jy/beam ! Combined flux in latest and established models = 0.0914785 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 61 components and 0.0914785 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=0.064445Jy sigma=1.245786 ! Fit after self-cal, rms=0.064468Jy sigma=1.245019 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 = -0.000229814 Jy ! Component: 100 - total flux cleaned = -0.000307313 Jy ! Component: 150 - total flux cleaned = -0.000333082 Jy ! Component: 200 - total flux cleaned = -0.000321729 Jy ! Total flux subtracted in 200 components = -0.000321729 Jy ! Clean residual min=-0.001091 max=0.001059 Jy/beam ! Clean residual mean=-0.000001 rms=0.000246 Jy/beam ! Combined flux in latest and established models = 0.0911568 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 70 components and 0.0911568 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=0.064461Jy sigma=1.244871 ! Fit after self-cal, rms=0.064461Jy sigma=1.244847 ! 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=0.064461Jy sigma=1.244847 ! Fit after self-cal, rms=0.064383Jy sigma=1.244696 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9147 mas, bmaj=1.958 mas, bpa=-0.2454 degrees ! Estimated noise=0.200133 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000354395 Jy ! Component: 100 - total flux cleaned = -0.000412186 Jy ! Component: 150 - total flux cleaned = -0.000424132 Jy ! Component: 200 - total flux cleaned = -0.000403346 Jy ! Total flux subtracted in 200 components = -0.000403346 Jy ! Clean residual min=-0.001004 max=0.001020 Jy/beam ! Clean residual mean=-0.000001 rms=0.000238 Jy/beam ! Combined flux in latest and established models = 0.0907534 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 75 components and 0.0907535 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=0.064376Jy sigma=1.244541 ! Fit after self-cal, rms=0.064376Jy sigma=1.244508 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 = -0.000112021 Jy ! Component: 100 - total flux cleaned = -0.000144228 Jy ! Component: 150 - total flux cleaned = -0.000144009 Jy ! Component: 200 - total flux cleaned = -0.000143756 Jy ! Total flux subtracted in 200 components = -0.000143756 Jy ! Clean residual min=-0.000992 max=0.001011 Jy/beam ! Clean residual mean=-0.000001 rms=0.000236 Jy/beam ! Combined flux in latest and established models = 0.0906097 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 81 components and 0.0906097 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=0.064373Jy sigma=1.244436 ! Fit after self-cal, rms=0.064373Jy sigma=1.244426 ! 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=0.064373Jy sigma=1.244426 ! Fit after self-cal, rms=0.064326Jy sigma=1.244398 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.172 mas, bmaj=3.08 mas, bpa=2.524 degrees ! Estimated noise=0.256684 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00021752 Jy ! Component: 100 - total flux cleaned = 0.00013343 Jy ! Component: 150 - total flux cleaned = 7.8859e-05 Jy ! Component: 200 - total flux cleaned = 8.67541e-05 Jy ! Total flux subtracted in 200 components = 8.67541e-05 Jy ! Clean residual min=-0.001291 max=0.001091 Jy/beam ! Clean residual mean=-0.000001 rms=0.000299 Jy/beam ! Combined flux in latest and established models = 0.0906965 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 92 components and 0.0906965 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=0.064323Jy sigma=1.244367 ! Fit after self-cal, rms=0.064323Jy sigma=1.244333 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 = 3.87199e-05 Jy ! Component: 100 - total flux cleaned = -2.44448e-06 Jy ! Component: 150 - total flux cleaned = -2.73214e-05 Jy ! Component: 200 - total flux cleaned = -1.42382e-05 Jy ! Total flux subtracted in 200 components = -1.42382e-05 Jy ! Clean residual min=-0.001276 max=0.001104 Jy/beam ! Clean residual mean=-0.000001 rms=0.000297 Jy/beam ! Combined flux in latest and established models = 0.0906822 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 99 components and 0.0906822 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=0.064322Jy sigma=1.244339 ! Fit after self-cal, rms=0.064322Jy sigma=1.244323 ! 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=0.9147 mas, bmaj=1.957 mas, bpa=-0.2419 degrees ! Estimated noise=0.200002 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9147 x 1.957 at -0.2419 degrees (North through East) ! Clean map min=-0.00096872 max=0.080765 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=0.723 mas, bmaj=1.679 mas, bpa=-2.008 degrees ! Estimated noise=0.340769 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0634448 Jy ! Component: 100 - total flux cleaned = 0.0781927 Jy ! Component: 150 - total flux cleaned = 0.0836627 Jy ! Component: 200 - total flux cleaned = 0.0860749 Jy ! Total flux subtracted in 200 components = 0.0860749 Jy ! Clean residual min=-0.001599 max=0.001694 Jy/beam ! Clean residual mean=-0.000001 rms=0.000375 Jy/beam ! Combined flux in latest and established models = 0.0860749 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.0860749 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9147 mas, bmaj=1.957 mas, bpa=-0.2419 degrees ! Estimated noise=0.200002 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 = 0.00204966 Jy ! Component: 100 - total flux cleaned = 0.00298187 Jy ! Component: 150 - total flux cleaned = 0.00319838 Jy ! Component: 200 - total flux cleaned = 0.00331215 Jy ! Total flux subtracted in 200 components = 0.00331215 Jy ! Clean residual min=-0.000977 max=0.001143 Jy/beam ! Clean residual mean=-0.000001 rms=0.000243 Jy/beam ! Combined flux in latest and established models = 0.0893871 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 33 components and 0.0893871 Jy ! Inverting map ! Added new window around map position (21.6, 10.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000518342 Jy ! Component: 100 - total flux cleaned = 0.000539759 Jy ! Component: 150 - total flux cleaned = 0.000579297 Jy ! Component: 200 - total flux cleaned = 0.000632948 Jy ! Total flux subtracted in 200 components = 0.000632948 Jy ! Clean residual min=-0.000960 max=0.000914 Jy/beam ! Clean residual mean=-0.000001 rms=0.000231 Jy/beam ! Combined flux in latest and established models = 0.09002 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 52 components and 0.09002 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=2.172 mas, bmaj=3.08 mas, bpa=2.524 degrees ! Estimated noise=0.256684 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000487875 Jy ! Component: 100 - total flux cleaned = 0.000603731 Jy ! Component: 150 - total flux cleaned = 0.000645788 Jy ! Component: 200 - total flux cleaned = 0.000683808 Jy ! Total flux subtracted in 200 components = 0.000683808 Jy ! Clean residual min=-0.001093 max=0.001072 Jy/beam ! Clean residual mean=-0.000001 rms=0.000287 Jy/beam ! Combined flux in latest and established models = 0.0907038 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 = 1.16404e-05 Jy ! Component: 100 - total flux cleaned = 4.31848e-05 Jy ! Component: 150 - total flux cleaned = 5.26219e-05 Jy ! Component: 200 - total flux cleaned = 6.14705e-05 Jy ! Total flux subtracted in 200 components = 6.14705e-05 Jy ! Clean residual min=-0.001094 max=0.001060 Jy/beam ! Clean residual mean=-0.000001 rms=0.000284 Jy/beam ! Combined flux in latest and established models = 0.0907653 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 70 components and 0.0907653 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9147 mas, bmaj=1.957 mas, bpa=-0.2419 degrees ! Estimated noise=0.200002 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.60786e-05 Jy ! Component: 100 - total flux cleaned = -2.29955e-06 Jy ! Component: 150 - total flux cleaned = -2.91007e-05 Jy ! Component: 200 - total flux cleaned = -4.0694e-05 Jy ! Total flux subtracted in 200 components = -4.0694e-05 Jy ! Clean residual min=-0.000912 max=0.000898 Jy/beam ! Clean residual mean=-0.000001 rms=0.000224 Jy/beam ! Combined flux in latest and established models = 0.0907246 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 86 components and 0.0907246 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=0.064306Jy sigma=1.244017 ! Fit after self-cal, rms=0.064302Jy sigma=1.243919 wmodel J1736+0631_X_map.mod ! Writing 86 model components to file: J1736+0631_X_map.mod wobs J1736+0631_X_uvs.fits ! Writing UV FITS file: J1736+0631_X_uvs.fits wwins J1736+0631_X_map.win ! wwins: Wrote 3 windows to J1736+0631_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 = -5.40975e-05 Jy ! Component: 100 - total flux cleaned = -5.45882e-05 Jy ! Component: 150 - total flux cleaned = -8.59182e-05 Jy ! Component: 200 - total flux cleaned = -8.64415e-05 Jy ! Component: 250 - total flux cleaned = -0.000115723 Jy ! Component: 300 - total flux cleaned = -7.29527e-05 Jy ! Component: 350 - total flux cleaned = -1.74595e-05 Jy ! Component: 400 - total flux cleaned = 3.72482e-05 Jy ! Component: 450 - total flux cleaned = 9.11031e-05 Jy ! Component: 500 - total flux cleaned = 0.000197197 Jy ! Component: 550 - total flux cleaned = 0.000210105 Jy ! Component: 600 - total flux cleaned = 0.000261877 Jy ! Component: 650 - total flux cleaned = 0.000363662 Jy ! Component: 700 - total flux cleaned = 0.000438756 Jy ! Component: 750 - total flux cleaned = 0.000488138 Jy ! Component: 800 - total flux cleaned = 0.000500385 Jy ! Component: 850 - total flux cleaned = 0.000560962 Jy ! Component: 900 - total flux cleaned = 0.000561044 Jy ! Component: 950 - total flux cleaned = 0.00064394 Jy ! Component: 1000 - total flux cleaned = 0.000643914 Jy ! Component: 1050 - total flux cleaned = 0.000701751 Jy ! Component: 1100 - total flux cleaned = 0.000713128 Jy ! Component: 1150 - total flux cleaned = 0.000735845 Jy ! Component: 1200 - total flux cleaned = 0.000769493 Jy ! Component: 1250 - total flux cleaned = 0.000802786 Jy ! Component: 1300 - total flux cleaned = 0.000846616 Jy ! Component: 1350 - total flux cleaned = 0.000835747 Jy ! Component: 1400 - total flux cleaned = 0.000889812 Jy ! Component: 1450 - total flux cleaned = 0.000900527 Jy ! Component: 1500 - total flux cleaned = 0.000974979 Jy ! Component: 1550 - total flux cleaned = 0.00102757 Jy ! Component: 1600 - total flux cleaned = 0.00107992 Jy ! Component: 1650 - total flux cleaned = 0.00112138 Jy ! Component: 1700 - total flux cleaned = 0.00116238 Jy ! Component: 1750 - total flux cleaned = 0.00119294 Jy ! Component: 1800 - total flux cleaned = 0.00120298 Jy ! Component: 1850 - total flux cleaned = 0.00124305 Jy ! Component: 1900 - total flux cleaned = 0.00123327 Jy ! Component: 1950 - total flux cleaned = 0.00125292 Jy ! Component: 2000 - total flux cleaned = 0.00125291 Jy ! Component: 2050 - total flux cleaned = 0.00127225 Jy ! Component: 2100 - total flux cleaned = 0.00125294 Jy ! Component: 2150 - total flux cleaned = 0.00124342 Jy ! Component: 2200 - total flux cleaned = 0.00124339 Jy ! Component: 2250 - total flux cleaned = 0.00127165 Jy ! Component: 2300 - total flux cleaned = 0.00119661 Jy ! Component: 2350 - total flux cleaned = 0.00119659 Jy ! Component: 2400 - total flux cleaned = 0.00117816 Jy ! Component: 2450 - total flux cleaned = 0.00114142 Jy ! Component: 2500 - total flux cleaned = 0.00115045 Jy ! Component: 2550 - total flux cleaned = 0.00113229 Jy ! Component: 2600 - total flux cleaned = 0.00110521 Jy ! Component: 2650 - total flux cleaned = 0.0010515 Jy ! Component: 2700 - total flux cleaned = 0.00105147 Jy ! Component: 2750 - total flux cleaned = 0.00104265 Jy ! Component: 2800 - total flux cleaned = 0.000981171 Jy ! Component: 2850 - total flux cleaned = 0.000989944 Jy ! Component: 2900 - total flux cleaned = 0.000989993 Jy ! Component: 2950 - total flux cleaned = 0.000938333 Jy ! Component: 3000 - total flux cleaned = 0.00095547 Jy ! Component: 3050 - total flux cleaned = 0.000921376 Jy ! Component: 3100 - total flux cleaned = 0.000887542 Jy ! Component: 3150 - total flux cleaned = 0.000895994 Jy ! Component: 3200 - total flux cleaned = 0.000921059 Jy ! Component: 3250 - total flux cleaned = 0.000871022 Jy ! Component: 3300 - total flux cleaned = 0.000879356 Jy ! Component: 3350 - total flux cleaned = 0.000887582 Jy ! Component: 3400 - total flux cleaned = 0.000887595 Jy ! Component: 3450 - total flux cleaned = 0.000879425 Jy ! Component: 3500 - total flux cleaned = 0.000822665 Jy ! Component: 3550 - total flux cleaned = 0.000830769 Jy ! Component: 3600 - total flux cleaned = 0.000846862 Jy ! Component: 3650 - total flux cleaned = 0.000846786 Jy ! Component: 3700 - total flux cleaned = 0.000838827 Jy ! Component: 3750 - total flux cleaned = 0.00082293 Jy ! Component: 3800 - total flux cleaned = 0.000807259 Jy ! Component: 3850 - total flux cleaned = 0.000807228 Jy ! Component: 3900 - total flux cleaned = 0.00076041 Jy ! Component: 3950 - total flux cleaned = 0.000791517 Jy ! Component: 4000 - total flux cleaned = 0.000760608 Jy ! Component: 4050 - total flux cleaned = 0.000791366 Jy ! Total flux subtracted in 4096 components = 0.000806599 Jy ! Clean residual min=-0.000532 max=0.000494 Jy/beam ! Clean residual mean=-0.000000 rms=0.000134 Jy/beam ! Combined flux in latest and established models = 0.0915312 Jy keep ! Adding 316 model components to the UV plane model. ! The established model now contains 402 components and 0.0915312 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1736+0631_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9147 x 1.957 at -0.2419 degrees (North through East) ! Clean map min=-0.00086852 max=0.08119 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1736+0631_X_map.fits wmodel /vlbi/uf001/uva//J1736+0631_X_map.mod ! Writing 402 model components to file: /vlbi/uf001/uva//J1736+0631_X_map.mod wobs /vlbi/uf001/uva//J1736+0631_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1736+0631_X_uvs.fits wwins /vlbi/uf001/uva//J1736+0631_X_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uva//J1736+0631_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.08119 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000133184 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.492118 0.492118 0.984237 1.96847 3.93695 7.87389 15.7478 31.4956 62.9911 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.081 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 609.609 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1736+0631_X_dfm.log closed on Mon Jan 14 04:15:12 2019