! Started logfile: /vlbi/bp222/maps//J1420-0642_X_dfm.log on Thu Sep 27 11:14:09 2018 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/bp222/maps//J1420-0642_X_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1420-0642_X_uva.fits ! AN table 1: 92 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.962733 visibilities/baseline/integration-bin. ! Found source: J1420-0642 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 108 lines of history. ! ! Reading 29760 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 J1420-0642_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 18 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 18 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 18 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 18 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 18 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 18 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 18 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 18 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 18 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 18 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 18 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 18 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.011768Jy sigma=16.292109 ! Fit after self-cal, rms=0.894143Jy sigma=14.330955 ! 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=0.5903 mas, bmaj=1.63 mas, bpa=-1.4 degrees ! Estimated noise=0.478608 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 = 0.075294 Jy ! Component: 100 - total flux cleaned = 0.108482 Jy ! Total flux subtracted in 100 components = 0.108482 Jy ! Clean residual min=-0.007789 max=0.015734 Jy/beam ! Clean residual mean=-0.000006 rms=0.001376 Jy/beam ! Combined flux in latest and established models = 0.108482 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.108482 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=0.073966Jy sigma=1.036779 ! Fit after self-cal, rms=0.073416Jy sigma=1.030639 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0195111 Jy ! Component: 100 - total flux cleaned = 0.030571 Jy ! Total flux subtracted in 100 components = 0.030571 Jy ! Clean residual min=-0.003906 max=0.008406 Jy/beam ! Clean residual mean=-0.000001 rms=0.000732 Jy/beam ! Combined flux in latest and established models = 0.139053 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 7 components and 0.139053 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=0.066555Jy sigma=0.901741 ! Fit after self-cal, rms=0.066460Jy sigma=0.900612 ! Inverting map ! Added new window around map position (-0.6, 0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00853706 Jy ! Component: 100 - total flux cleaned = 0.013272 Jy ! Total flux subtracted in 100 components = 0.013272 Jy ! Clean residual min=-0.002562 max=0.002884 Jy/beam ! Clean residual mean=0.000001 rms=0.000553 Jy/beam ! Combined flux in latest and established models = 0.152325 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 9 components and 0.152325 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=0.065231Jy sigma=0.882118 ! Fit after self-cal, rms=0.065187Jy sigma=0.881824 ! 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=0.7485 mas, bmaj=1.865 mas, bpa=-0.7426 degrees ! Estimated noise=0.266065 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 (-1.4, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00288796 Jy ! Component: 100 - total flux cleaned = 0.00437778 Jy ! Component: 150 - total flux cleaned = 0.00516692 Jy ! Component: 200 - total flux cleaned = 0.00567504 Jy ! Total flux subtracted in 200 components = 0.00567504 Jy ! Clean residual min=-0.002097 max=0.001623 Jy/beam ! Clean residual mean=0.000002 rms=0.000423 Jy/beam ! Combined flux in latest and established models = 0.158 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 18 components and 0.158 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=0.064956Jy sigma=0.879916 ! Fit after self-cal, rms=0.064938Jy sigma=0.879799 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7485 x 1.865 at -0.7426 degrees (North through East) ! Clean map min=-0.0019738 max=0.10883 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.02 HN 0.95 KP 1.04 ! MK 0.99 NL 0.99 OV 0.99 SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.01 HN 0.97 KP 1.00 ! MK 0.98 NL 1.00 OV 1.01 SC 1.03 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 HN 0.95 KP 1.01 ! MK 0.97 NL 1.03 OV 1.01 SC 1.03 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.02 HN 0.95 KP 1.01 ! MK 1.03 NL 1.02 OV 1.00 SC 0.95 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.02 HN 0.92 KP 0.98 ! MK 1.04 NL 1.02 OV 1.01 SC 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.03 HN 0.95 KP 1.00 ! MK 0.95 NL 1.00 OV 1.01 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.02 HN 0.92 KP 1.02 ! MK 1.00 NL 1.00 OV 1.01 SC 0.96 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.03 HN 0.98 KP 1.00 ! MK 1.01 NL 1.00 OV 0.99 SC 0.96 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00 HN 0.92 KP 1.00 ! MK 1.03 NL 1.03 OV 0.99 SC 1.01 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.99 HN 0.91 KP 1.00 ! MK 0.98 NL 0.98 OV 1.00 SC 1.00 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 HN 0.90 KP 1.03 ! MK 0.95 NL 1.00 OV 0.98 SC 0.97 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.02 HN 0.95 KP 1.02 ! MK 0.90 NL 1.00 OV 0.99 SC 0.94 ! ! ! Fit before self-cal, rms=0.064938Jy sigma=0.879799 ! Fit after self-cal, rms=0.062528Jy sigma=0.877205 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7433 mas, bmaj=1.859 mas, bpa=-0.8178 degrees ! Estimated noise=0.263951 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 = 0.00121198 Jy ! Component: 100 - total flux cleaned = 0.00169367 Jy ! Component: 150 - total flux cleaned = 0.00190012 Jy ! Component: 200 - total flux cleaned = 0.00199989 Jy ! Total flux subtracted in 200 components = 0.00199989 Jy ! Clean residual min=-0.001811 max=0.001393 Jy/beam ! Clean residual mean=0.000003 rms=0.000358 Jy/beam ! Combined flux in latest and established models = 0.16 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 32 components and 0.16 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=0.062491Jy sigma=0.876792 ! Fit after self-cal, rms=0.062452Jy sigma=0.876730 ! 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=0.062452Jy sigma=0.876730 ! Fit after self-cal, rms=0.061911Jy sigma=0.873956 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7411 mas, bmaj=1.855 mas, bpa=-0.7399 degrees ! Estimated noise=0.265107 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000916065 Jy ! Component: 100 - total flux cleaned = 0.00119784 Jy ! Component: 150 - total flux cleaned = 0.00132381 Jy ! Component: 200 - total flux cleaned = 0.00135545 Jy ! Total flux subtracted in 200 components = 0.00135545 Jy ! Clean residual min=-0.001458 max=0.001096 Jy/beam ! Clean residual mean=0.000002 rms=0.000296 Jy/beam ! Combined flux in latest and established models = 0.161355 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 38 components and 0.161355 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=0.061885Jy sigma=0.873781 ! Fit after self-cal, rms=0.061881Jy sigma=0.873761 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 = 2.67316e-05 Jy ! Component: 100 - total flux cleaned = 4.07302e-05 Jy ! Component: 150 - total flux cleaned = 5.35564e-05 Jy ! Component: 200 - total flux cleaned = 7.73312e-05 Jy ! Total flux subtracted in 200 components = 7.73312e-05 Jy ! Clean residual min=-0.001445 max=0.001092 Jy/beam ! Clean residual mean=0.000002 rms=0.000295 Jy/beam ! Combined flux in latest and established models = 0.161432 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 43 components and 0.161432 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=0.061873Jy sigma=0.873706 ! Fit after self-cal, rms=0.061872Jy sigma=0.873705 ! 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=0.061872Jy sigma=0.873705 ! Fit after self-cal, rms=0.060809Jy sigma=0.869277 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7398 mas, bmaj=1.853 mas, bpa=-0.7675 degrees ! Estimated noise=0.264651 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.94233e-05 Jy ! Component: 100 - total flux cleaned = -8.42515e-05 Jy ! Component: 150 - total flux cleaned = -0.000139586 Jy ! Component: 200 - total flux cleaned = -0.000180968 Jy ! Total flux subtracted in 200 components = -0.000180968 Jy ! Clean residual min=-0.000949 max=0.000949 Jy/beam ! Clean residual mean=0.000000 rms=0.000208 Jy/beam ! Combined flux in latest and established models = 0.161251 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 58 components and 0.161251 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=0.060802Jy sigma=0.869186 ! Fit after self-cal, rms=0.060797Jy sigma=0.869129 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 = -6.76084e-05 Jy ! Component: 100 - total flux cleaned = -0.000106269 Jy ! Component: 150 - total flux cleaned = -0.000159749 Jy ! Component: 200 - total flux cleaned = -0.00018464 Jy ! Total flux subtracted in 200 components = -0.00018464 Jy ! Clean residual min=-0.000939 max=0.000951 Jy/beam ! Clean residual mean=0.000000 rms=0.000207 Jy/beam ! Combined flux in latest and established models = 0.161067 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 62 components and 0.161067 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=0.060794Jy sigma=0.869091 ! Fit after self-cal, rms=0.060794Jy sigma=0.869087 ! Inverting map ! Added new window around map position (-14.2, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000626568 Jy ! Component: 100 - total flux cleaned = 0.000594401 Jy ! Component: 150 - total flux cleaned = 0.000619643 Jy ! Component: 200 - total flux cleaned = 0.000609459 Jy ! Total flux subtracted in 200 components = 0.000609459 Jy ! Clean residual min=-0.000977 max=0.000917 Jy/beam ! Clean residual mean=0.000000 rms=0.000201 Jy/beam ! Combined flux in latest and established models = 0.161676 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 75 components and 0.161676 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=0.060781Jy sigma=0.868897 ! Fit after self-cal, rms=0.060782Jy sigma=0.868885 ! 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=0.060782Jy sigma=0.868885 ! Fit after self-cal, rms=0.060714Jy sigma=0.868858 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.83 mas, bmaj=3.111 mas, bpa=6.188 degrees ! Estimated noise=0.345829 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.71068e-05 Jy ! Component: 100 - total flux cleaned = 0.000142287 Jy ! Component: 150 - total flux cleaned = 0.000163386 Jy ! Component: 200 - total flux cleaned = 0.000172551 Jy ! Total flux subtracted in 200 components = 0.000172551 Jy ! Clean residual min=-0.000858 max=0.000941 Jy/beam ! Clean residual mean=0.000000 rms=0.000228 Jy/beam ! Combined flux in latest and established models = 0.161849 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 94 components and 0.161849 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=0.060712Jy sigma=0.868840 ! Fit after self-cal, rms=0.060713Jy sigma=0.868833 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 = 0.000103665 Jy ! Component: 100 - total flux cleaned = 0.000111775 Jy ! Component: 150 - total flux cleaned = 0.000104109 Jy ! Component: 200 - total flux cleaned = 0.000110958 Jy ! Total flux subtracted in 200 components = 0.000110958 Jy ! Clean residual min=-0.000848 max=0.000942 Jy/beam ! Clean residual mean=0.000000 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.16196 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 97 components and 0.16196 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=0.060713Jy sigma=0.868837 ! Fit after self-cal, rms=0.060714Jy sigma=0.868835 ! 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=0.7395 mas, bmaj=1.853 mas, bpa=-0.7912 degrees ! Estimated noise=0.264473 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7395 x 1.853 at -0.7912 degrees (North through East) ! Clean map min=-0.00079661 max=0.10879 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=0.5834 mas, bmaj=1.626 mas, bpa=-1.507 degrees ! Estimated noise=0.470091 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0747635 Jy ! Component: 100 - total flux cleaned = 0.109515 Jy ! Component: 150 - total flux cleaned = 0.128834 Jy ! Component: 200 - total flux cleaned = 0.140268 Jy ! Total flux subtracted in 200 components = 0.140268 Jy ! Clean residual min=-0.003229 max=0.005837 Jy/beam ! Clean residual mean=-0.000003 rms=0.000648 Jy/beam ! Combined flux in latest and established models = 0.140268 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 10 model components to the UV plane model. ! The established model now contains 10 components and 0.140268 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7395 mas, bmaj=1.853 mas, bpa=-0.7912 degrees ! Estimated noise=0.264473 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 = 0.00900442 Jy ! Component: 100 - total flux cleaned = 0.0133764 Jy ! Component: 150 - total flux cleaned = 0.0158259 Jy ! Component: 200 - total flux cleaned = 0.0174893 Jy ! Total flux subtracted in 200 components = 0.0174893 Jy ! Clean residual min=-0.001043 max=0.001030 Jy/beam ! Clean residual mean=-0.000001 rms=0.000248 Jy/beam ! Combined flux in latest and established models = 0.157757 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 21 components and 0.157757 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.83 mas, bmaj=3.111 mas, bpa=6.188 degrees ! Estimated noise=0.345829 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0017451 Jy ! Component: 100 - total flux cleaned = 0.00272656 Jy ! Component: 150 - total flux cleaned = 0.00316385 Jy ! Component: 200 - total flux cleaned = 0.00354481 Jy ! Total flux subtracted in 200 components = 0.00354481 Jy ! Clean residual min=-0.000881 max=0.000868 Jy/beam ! Clean residual mean=-0.000000 rms=0.000246 Jy/beam ! Combined flux in latest and established models = 0.161302 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 = 0.000307489 Jy ! Component: 100 - total flux cleaned = 0.000573723 Jy ! Component: 150 - total flux cleaned = 0.000682255 Jy ! Component: 200 - total flux cleaned = 0.000757232 Jy ! Total flux subtracted in 200 components = 0.000757232 Jy ! Clean residual min=-0.000858 max=0.000874 Jy/beam ! Clean residual mean=0.000000 rms=0.000237 Jy/beam ! Combined flux in latest and established models = 0.162059 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 59 components and 0.162059 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7395 mas, bmaj=1.853 mas, bpa=-0.7912 degrees ! Estimated noise=0.264473 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.99345e-05 Jy ! Component: 100 - total flux cleaned = 0.000120285 Jy ! Component: 150 - total flux cleaned = 9.74216e-05 Jy ! Component: 200 - total flux cleaned = 7.63756e-05 Jy ! Total flux subtracted in 200 components = 7.63756e-05 Jy ! Clean residual min=-0.000968 max=0.000859 Jy/beam ! Clean residual mean=0.000000 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.162135 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 70 components and 0.162135 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=0.060730Jy sigma=0.869017 ! Fit after self-cal, rms=0.060731Jy sigma=0.868983 wmodel J1420-0642_X_map.mod ! Writing 70 model components to file: J1420-0642_X_map.mod wobs J1420-0642_X_uvs.fits ! Writing UV FITS file: J1420-0642_X_uvs.fits wwins J1420-0642_X_map.win ! wwins: Wrote 4 windows to J1420-0642_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 = -4.6777e-05 Jy ! Component: 100 - total flux cleaned = 8.98012e-05 Jy ! Component: 150 - total flux cleaned = 0.000190977 Jy ! Component: 200 - total flux cleaned = 0.000260555 Jy ! Component: 250 - total flux cleaned = 0.000328214 Jy ! Component: 300 - total flux cleaned = 0.000354783 Jy ! Component: 350 - total flux cleaned = 0.000315966 Jy ! Component: 400 - total flux cleaned = 0.000290739 Jy ! Component: 450 - total flux cleaned = 0.000228128 Jy ! Component: 500 - total flux cleaned = 0.000166673 Jy ! Component: 550 - total flux cleaned = 0.000105933 Jy ! Component: 600 - total flux cleaned = 9.37854e-05 Jy ! Component: 650 - total flux cleaned = 3.47747e-05 Jy ! Component: 700 - total flux cleaned = -3.52287e-05 Jy ! Component: 750 - total flux cleaned = -4.66253e-05 Jy ! Component: 800 - total flux cleaned = -9.22547e-05 Jy ! Component: 850 - total flux cleaned = -0.000103615 Jy ! Component: 900 - total flux cleaned = -0.000159519 Jy ! Component: 950 - total flux cleaned = -0.000214554 Jy ! Component: 1000 - total flux cleaned = -0.000247364 Jy ! Component: 1050 - total flux cleaned = -0.000269029 Jy ! Component: 1100 - total flux cleaned = -0.000322729 Jy ! Component: 1150 - total flux cleaned = -0.00033326 Jy ! Component: 1200 - total flux cleaned = -0.000322851 Jy ! Component: 1250 - total flux cleaned = -0.00034394 Jy ! Component: 1300 - total flux cleaned = -0.000395806 Jy ! Component: 1350 - total flux cleaned = -0.000426602 Jy ! Component: 1400 - total flux cleaned = -0.000426455 Jy ! Component: 1450 - total flux cleaned = -0.000446769 Jy ! Component: 1500 - total flux cleaned = -0.000436767 Jy ! Component: 1550 - total flux cleaned = -0.000436745 Jy ! Component: 1600 - total flux cleaned = -0.000456641 Jy ! Component: 1650 - total flux cleaned = -0.000466443 Jy ! Component: 1700 - total flux cleaned = -0.000456798 Jy ! Component: 1750 - total flux cleaned = -0.000485798 Jy ! Component: 1800 - total flux cleaned = -0.000495459 Jy ! Component: 1850 - total flux cleaned = -0.000514596 Jy ! Component: 1900 - total flux cleaned = -0.000505041 Jy ! Component: 1950 - total flux cleaned = -0.000523792 Jy ! Component: 2000 - total flux cleaned = -0.000514292 Jy ! Component: 2050 - total flux cleaned = -0.000486492 Jy ! Component: 2100 - total flux cleaned = -0.000560104 Jy ! Component: 2150 - total flux cleaned = -0.000560105 Jy ! Component: 2200 - total flux cleaned = -0.000578125 Jy ! Component: 2250 - total flux cleaned = -0.000569097 Jy ! Component: 2300 - total flux cleaned = -0.000622881 Jy ! Component: 2350 - total flux cleaned = -0.000604924 Jy ! Component: 2400 - total flux cleaned = -0.000560608 Jy ! Component: 2450 - total flux cleaned = -0.000587015 Jy ! Component: 2500 - total flux cleaned = -0.000595739 Jy ! Component: 2550 - total flux cleaned = -0.000613067 Jy ! Component: 2600 - total flux cleaned = -0.000569811 Jy ! Component: 2650 - total flux cleaned = -0.000561146 Jy ! Component: 2700 - total flux cleaned = -0.000569652 Jy ! Component: 2750 - total flux cleaned = -0.00053562 Jy ! Component: 2800 - total flux cleaned = -0.000518686 Jy ! Component: 2850 - total flux cleaned = -0.00054402 Jy ! Component: 2900 - total flux cleaned = -0.000527363 Jy ! Component: 2950 - total flux cleaned = -0.000519019 Jy ! Component: 3000 - total flux cleaned = -0.000502464 Jy ! Component: 3050 - total flux cleaned = -0.000477832 Jy ! Component: 3100 - total flux cleaned = -0.000510589 Jy ! Component: 3150 - total flux cleaned = -0.000486207 Jy ! Component: 3200 - total flux cleaned = -0.000478155 Jy ! Component: 3250 - total flux cleaned = -0.000454115 Jy ! Component: 3300 - total flux cleaned = -0.000486147 Jy ! Component: 3350 - total flux cleaned = -0.000446346 Jy ! Component: 3400 - total flux cleaned = -0.000470102 Jy ! Component: 3450 - total flux cleaned = -0.000399155 Jy ! Component: 3500 - total flux cleaned = -0.000430487 Jy ! Component: 3550 - total flux cleaned = -0.000399305 Jy ! Component: 3600 - total flux cleaned = -0.000399298 Jy ! Component: 3650 - total flux cleaned = -0.000391572 Jy ! Component: 3700 - total flux cleaned = -0.000353195 Jy ! Component: 3750 - total flux cleaned = -0.000345534 Jy ! Component: 3800 - total flux cleaned = -0.000375998 Jy ! Component: 3850 - total flux cleaned = -0.00036087 Jy ! Component: 3900 - total flux cleaned = -0.000345724 Jy ! Component: 3950 - total flux cleaned = -0.000338242 Jy ! Component: 4000 - total flux cleaned = -0.000315833 Jy ! Component: 4050 - total flux cleaned = -0.000271237 Jy ! Total flux subtracted in 4096 components = -0.000300912 Jy ! Clean residual min=-0.000542 max=0.000443 Jy/beam ! Clean residual mean=0.000000 rms=0.000126 Jy/beam ! Combined flux in latest and established models = 0.161834 Jy keep ! Adding 323 model components to the UV plane model. ! The established model now contains 393 components and 0.161834 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1420-0642_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7395 x 1.853 at -0.7912 degrees (North through East) ! Clean map min=-0.00061371 max=0.1081 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1420-0642_X_map.fits wmodel /vlbi/bp222/maps//J1420-0642_X_map.mod ! Writing 393 model components to file: /vlbi/bp222/maps//J1420-0642_X_map.mod wobs /vlbi/bp222/maps//J1420-0642_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1420-0642_X_uvs.fits wwins /vlbi/bp222/maps//J1420-0642_X_map.win ! wwins: Wrote 5 windows to /vlbi/bp222/maps//J1420-0642_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.108097 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000126307 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.350536 0.350536 0.701073 1.40215 2.80429 5.60858 11.2172 22.4343 44.8686 89.7373 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.108 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 855.831 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1420-0642_X_dfm.log closed on Thu Sep 27 11:14:14 2018