! Started logfile: /vlbi/bp222/maps//J1658+0741_X_dfm.log on Mon Jan 14 17:07:08 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/bp222/maps//J1658+0741_X_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1658+0741_X_uva.fits ! AN table 1: 14 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.962585 visibilities/baseline/integration-bin. ! Found source: J1658+0741 ! ! 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 3396 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 J1658+0741_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 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.495793Jy sigma=21.731164 ! Fit after self-cal, rms=0.130621Jy sigma=1.680217 ! 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=0.7207 mas, bmaj=2.814 mas, bpa=-18.64 degrees ! Estimated noise=1.19756 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 = 0.805886 Jy ! Component: 100 - total flux cleaned = 0.982351 Jy ! Total flux subtracted in 100 components = 0.982351 Jy ! Clean residual min=-0.032449 max=0.052583 Jy/beam ! Clean residual mean=0.000021 rms=0.010977 Jy/beam ! Combined flux in latest and established models = 0.982351 Jy ! Performing phase self-cal ! Adding 2 model components to the UV plane model. ! The established model now contains 2 components and 0.982351 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=0.139626Jy sigma=1.809161 ! Fit after self-cal, rms=0.139821Jy sigma=1.804141 ! 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=0.9337 mas, bmaj=2.748 mas, bpa=-17.67 degrees ! Estimated noise=0.86055 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 = 0.0764364 Jy ! Component: 100 - total flux cleaned = 0.115612 Jy ! Component: 150 - total flux cleaned = 0.137686 Jy ! Component: 200 - total flux cleaned = 0.153012 Jy ! Total flux subtracted in 200 components = 0.153012 Jy ! Clean residual min=-0.020180 max=0.045037 Jy/beam ! Clean residual mean=0.000009 rms=0.007606 Jy/beam ! Combined flux in latest and established models = 1.13536 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 1.13536 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=0.081648Jy sigma=1.111372 ! Fit after self-cal, rms=0.080557Jy sigma=1.102793 ! Inverting map ! Added new window around map position (-2, 2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0357492 Jy ! Component: 100 - total flux cleaned = 0.0498237 Jy ! Component: 150 - total flux cleaned = 0.0605735 Jy ! Component: 200 - total flux cleaned = 0.0691253 Jy ! Total flux subtracted in 200 components = 0.0691253 Jy ! Clean residual min=-0.012704 max=0.015725 Jy/beam ! Clean residual mean=0.000008 rms=0.003955 Jy/beam ! Combined flux in latest and established models = 1.20449 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 52 components and 1.20449 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=0.062063Jy sigma=0.847091 ! Fit after self-cal, rms=0.060654Jy sigma=0.830712 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9337 x 2.748 at -17.67 degrees (North through East) ! Clean map min=-0.011759 max=1.0551 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.01 LA 0.97 MK 1.02 ! NL 0.99 OV 1.03 PT 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.04 LA 0.97 MK 1.00 ! NL 1.01 OV 1.02 PT 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.01 LA 0.98 MK 1.00 ! NL 0.99 OV 1.02 PT 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 LA 0.98 MK 1.03 ! NL 1.01 OV 1.02 PT 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 LA 0.98 MK 1.00 ! NL 0.99 OV 1.02 PT 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.03 LA 0.97 MK 1.00 ! NL 0.99 OV 1.01 PT 0.99 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 LA 0.98 MK 1.02 ! NL 0.99 OV 1.01 PT 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.01 LA 1.00 MK 1.00 ! NL 0.97 OV 1.01 PT 0.99 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 LA 0.96 MK 1.00 ! NL 0.99 OV 1.00 PT 1.00 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 LA 0.96 MK 1.00 ! NL 0.99 OV 1.00 PT 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 LA 0.98 MK 1.02 ! NL 0.98 OV 1.00 PT 0.98 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 LA 0.97 MK 0.99 ! NL 1.00 OV 1.00 PT 0.99 ! ! ! Fit before self-cal, rms=0.060654Jy sigma=0.830712 ! Fit after self-cal, rms=0.055161Jy sigma=0.758683 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9356 mas, bmaj=2.75 mas, bpa=-17.65 degrees ! Estimated noise=0.857615 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 = 0.0045334 Jy ! Component: 100 - total flux cleaned = 0.00600911 Jy ! Component: 150 - total flux cleaned = 0.00748793 Jy ! Component: 200 - total flux cleaned = 0.00863407 Jy ! Total flux subtracted in 200 components = 0.00863407 Jy ! Clean residual min=-0.007506 max=0.009177 Jy/beam ! Clean residual mean=0.000004 rms=0.002169 Jy/beam ! Combined flux in latest and established models = 1.21312 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 72 components and 1.21312 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=0.053928Jy sigma=0.742753 ! Fit after self-cal, rms=0.053859Jy sigma=0.742001 ! 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=0.053859Jy sigma=0.742001 ! Fit after self-cal, rms=0.053696Jy sigma=0.740364 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.936 mas, bmaj=2.749 mas, bpa=-17.66 degrees ! Estimated noise=0.856368 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000218391 Jy ! Component: 100 - total flux cleaned = 0.00130091 Jy ! Component: 150 - total flux cleaned = 0.00205646 Jy ! Component: 200 - total flux cleaned = 0.00301683 Jy ! Total flux subtracted in 200 components = 0.00301683 Jy ! Clean residual min=-0.006255 max=0.007924 Jy/beam ! Clean residual mean=0.000004 rms=0.001879 Jy/beam ! Combined flux in latest and established models = 1.21614 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 80 components and 1.21614 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=0.053152Jy sigma=0.733355 ! Fit after self-cal, rms=0.053123Jy sigma=0.732749 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 (-5.6, 5.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00668799 Jy ! Component: 100 - total flux cleaned = 0.00911762 Jy ! Component: 150 - total flux cleaned = 0.0110593 Jy ! Component: 200 - total flux cleaned = 0.0120757 Jy ! Total flux subtracted in 200 components = 0.0120757 Jy ! Clean residual min=-0.003833 max=0.003786 Jy/beam ! Clean residual mean=0.000001 rms=0.001071 Jy/beam ! Combined flux in latest and established models = 1.22821 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 111 components and 1.22821 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=0.051591Jy sigma=0.713982 ! Fit after self-cal, rms=0.051532Jy sigma=0.713181 ! 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=0.051532Jy sigma=0.713181 ! Fit after self-cal, rms=0.051499Jy sigma=0.712670 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9354 mas, bmaj=2.75 mas, bpa=-17.66 degrees ! Estimated noise=0.856587 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00162616 Jy ! Component: 100 - total flux cleaned = 0.00333718 Jy ! Component: 150 - total flux cleaned = 0.00471286 Jy ! Component: 200 - total flux cleaned = 0.00550505 Jy ! Total flux subtracted in 200 components = 0.00550505 Jy ! Clean residual min=-0.003084 max=0.002853 Jy/beam ! Clean residual mean=0.000001 rms=0.000747 Jy/beam ! Combined flux in latest and established models = 1.23372 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 127 components and 1.23372 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=0.051222Jy sigma=0.708846 ! Fit after self-cal, rms=0.051209Jy sigma=0.708704 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 = 0.00108507 Jy ! Component: 100 - total flux cleaned = 0.00198695 Jy ! Component: 150 - total flux cleaned = 0.00244691 Jy ! Component: 200 - total flux cleaned = 0.00285745 Jy ! Total flux subtracted in 200 components = 0.00285745 Jy ! Clean residual min=-0.002778 max=0.002391 Jy/beam ! Clean residual mean=0.000000 rms=0.000625 Jy/beam ! Combined flux in latest and established models = 1.23658 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 144 components and 1.23658 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=0.051119Jy sigma=0.707426 ! Fit after self-cal, rms=0.051115Jy sigma=0.707377 ! 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=0.051115Jy sigma=0.707377 ! Fit after self-cal, rms=0.051085Jy sigma=0.707242 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.176 mas, bmaj=3.307 mas, bpa=13.66 degrees ! Estimated noise=1.05035 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00170666 Jy ! Component: 100 - total flux cleaned = 0.00275248 Jy ! Component: 150 - total flux cleaned = 0.00317725 Jy ! Component: 200 - total flux cleaned = 0.00362267 Jy ! Total flux subtracted in 200 components = 0.00362267 Jy ! Clean residual min=-0.002711 max=0.002432 Jy/beam ! Clean residual mean=0.000000 rms=0.000705 Jy/beam ! Combined flux in latest and established models = 1.2402 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 160 components and 1.2402 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=0.051042Jy sigma=0.706706 ! Fit after self-cal, rms=0.051040Jy sigma=0.706696 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 = 0.000344333 Jy ! Component: 100 - total flux cleaned = 0.00064835 Jy ! Component: 150 - total flux cleaned = 0.000924293 Jy ! Component: 200 - total flux cleaned = 0.00115708 Jy ! Total flux subtracted in 200 components = 0.00115708 Jy ! Clean residual min=-0.002559 max=0.002180 Jy/beam ! Clean residual mean=0.000000 rms=0.000648 Jy/beam ! Combined flux in latest and established models = 1.24136 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 173 components and 1.24136 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=0.051030Jy sigma=0.706530 ! Fit after self-cal, rms=0.051028Jy sigma=0.706521 ! 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=0.9353 mas, bmaj=2.75 mas, bpa=-17.66 degrees ! Estimated noise=0.856483 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9353 x 2.75 at -17.66 degrees (North through East) ! Clean map min=-0.0042033 max=1.0521 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 ! Performing amp+phase self-cal ! ! 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=0.051028Jy sigma=0.706521 ! Fit after self-cal, rms=0.046645Jy sigma=0.622959 ! Inverting map and beam ! Estimated beam: bmin=0.9349 mas, bmaj=2.75 mas, bpa=-17.66 degrees ! Estimated noise=0.856214 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00027887 Jy ! Component: 100 - total flux cleaned = -0.000280158 Jy ! Component: 150 - total flux cleaned = -0.000328704 Jy ! Component: 200 - total flux cleaned = -0.000370053 Jy ! Total flux subtracted in 200 components = -0.000370053 Jy ! Clean residual min=-0.002234 max=0.001666 Jy/beam ! Clean residual mean=0.000000 rms=0.000464 Jy/beam ! Combined flux in latest and established models = 1.24099 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 189 components and 1.24099 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=0.046619Jy sigma=0.622519 ! Fit after self-cal, rms=0.046618Jy sigma=0.622510 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0001465 Jy ! Component: 100 - total flux cleaned = 0.000146534 Jy ! Component: 150 - total flux cleaned = 0.000145322 Jy ! Component: 200 - total flux cleaned = 0.000145254 Jy ! Total flux subtracted in 200 components = 0.000145254 Jy ! Clean residual min=-0.002197 max=0.001631 Jy/beam ! Clean residual mean=0.000000 rms=0.000451 Jy/beam ! Combined flux in latest and established models = 1.24113 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 199 components and 1.24113 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=0.046608Jy sigma=0.622351 ! Fit after self-cal, rms=0.046608Jy sigma=0.622343 ! Inverting map ! Performing amp+phase self-cal ! ! 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=0.046608Jy sigma=0.622343 ! Fit after self-cal, rms=0.046606Jy sigma=0.622317 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=0.7212 mas, bmaj=2.813 mas, bpa=-18.65 degrees ! Estimated noise=1.19076 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.800983 Jy ! Component: 100 - total flux cleaned = 0.97818 Jy ! Component: 150 - total flux cleaned = 1.04089 Jy ! Component: 200 - total flux cleaned = 1.07939 Jy ! Total flux subtracted in 200 components = 1.07939 Jy ! Clean residual min=-0.016860 max=0.022166 Jy/beam ! Clean residual mean=0.000010 rms=0.005206 Jy/beam ! Combined flux in latest and established models = 1.07939 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 8 model components to the UV plane model. ! The established model now contains 8 components and 1.07939 Jy ! Inverting map and beam ! Estimated beam: bmin=0.935 mas, bmaj=2.749 mas, bpa=-17.66 degrees ! Estimated noise=0.856174 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 = 0.0348674 Jy ! Component: 100 - total flux cleaned = 0.0572165 Jy ! Component: 150 - total flux cleaned = 0.0734789 Jy ! Component: 200 - total flux cleaned = 0.0859706 Jy ! Total flux subtracted in 200 components = 0.0859706 Jy ! Clean residual min=-0.010082 max=0.009848 Jy/beam ! Clean residual mean=0.000006 rms=0.003157 Jy/beam ! Combined flux in latest and established models = 1.16536 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 42 components and 1.16536 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=2.176 mas, bmaj=3.306 mas, bpa=13.68 degrees ! Estimated noise=1.05021 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0156966 Jy ! Component: 100 - total flux cleaned = 0.027479 Jy ! Component: 150 - total flux cleaned = 0.0366784 Jy ! Component: 200 - total flux cleaned = 0.0441468 Jy ! Total flux subtracted in 200 components = 0.0441468 Jy ! Clean residual min=-0.007388 max=0.007105 Jy/beam ! Clean residual mean=0.000004 rms=0.002454 Jy/beam ! Combined flux in latest and established models = 1.2095 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 = 0.00609738 Jy ! Component: 100 - total flux cleaned = 0.01109 Jy ! Component: 150 - total flux cleaned = 0.0151918 Jy ! Component: 200 - total flux cleaned = 0.0182094 Jy ! Total flux subtracted in 200 components = 0.0182094 Jy ! Clean residual min=-0.004464 max=0.004016 Jy/beam ! Clean residual mean=0.000002 rms=0.001326 Jy/beam ! Combined flux in latest and established models = 1.22771 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 81 components and 1.22771 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.935 mas, bmaj=2.749 mas, bpa=-17.66 degrees ! Estimated noise=0.856174 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00329039 Jy ! Component: 100 - total flux cleaned = 0.00511905 Jy ! Component: 150 - total flux cleaned = 0.00643766 Jy ! Component: 200 - total flux cleaned = 0.00752736 Jy ! Total flux subtracted in 200 components = 0.00752736 Jy ! Clean residual min=-0.002832 max=0.003263 Jy/beam ! Clean residual mean=0.000000 rms=0.000756 Jy/beam ! Combined flux in latest and established models = 1.23524 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 102 components and 1.23524 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=0.047098Jy sigma=0.628376 ! Fit after self-cal, rms=0.047066Jy sigma=0.628079 wmodel J1658+0741_X_map.mod ! Writing 102 model components to file: J1658+0741_X_map.mod wobs J1658+0741_X_uvs.fits ! Writing UV FITS file: J1658+0741_X_uvs.fits wwins J1658+0741_X_map.win ! wwins: Wrote 3 windows to J1658+0741_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 = 0.000820012 Jy ! Component: 100 - total flux cleaned = 0.000338304 Jy ! Component: 150 - total flux cleaned = -0.000227124 Jy ! Component: 200 - total flux cleaned = -0.000667741 Jy ! Component: 250 - total flux cleaned = -0.00111074 Jy ! Component: 300 - total flux cleaned = -0.00145233 Jy ! Component: 350 - total flux cleaned = -0.00170843 Jy ! Component: 400 - total flux cleaned = -0.00194816 Jy ! Component: 450 - total flux cleaned = -0.00217525 Jy ! Component: 500 - total flux cleaned = -0.00236253 Jy ! Component: 550 - total flux cleaned = -0.00241392 Jy ! Component: 600 - total flux cleaned = -0.00241486 Jy ! Component: 650 - total flux cleaned = -0.00241578 Jy ! Component: 700 - total flux cleaned = -0.00245982 Jy ! Component: 750 - total flux cleaned = -0.00248075 Jy ! Component: 800 - total flux cleaned = -0.00235606 Jy ! Component: 850 - total flux cleaned = -0.00225632 Jy ! Component: 900 - total flux cleaned = -0.00215965 Jy ! Component: 950 - total flux cleaned = -0.00210333 Jy ! Component: 1000 - total flux cleaned = -0.00199394 Jy ! Component: 1050 - total flux cleaned = -0.00195828 Jy ! Component: 1100 - total flux cleaned = -0.00188911 Jy ! Component: 1150 - total flux cleaned = -0.0018386 Jy ! Component: 1200 - total flux cleaned = -0.00180601 Jy ! Component: 1250 - total flux cleaned = -0.00175763 Jy ! Component: 1300 - total flux cleaned = -0.00169442 Jy ! Component: 1350 - total flux cleaned = -0.00163237 Jy ! Component: 1400 - total flux cleaned = -0.00149705 Jy ! Component: 1450 - total flux cleaned = -0.00145277 Jy ! Component: 1500 - total flux cleaned = -0.00139475 Jy ! Component: 1550 - total flux cleaned = -0.00126752 Jy ! Component: 1600 - total flux cleaned = -0.00123976 Jy ! Component: 1650 - total flux cleaned = -0.00117129 Jy ! Component: 1700 - total flux cleaned = -0.00107732 Jy ! Component: 1750 - total flux cleaned = -0.000985249 Jy ! Component: 1800 - total flux cleaned = -0.000894935 Jy ! Component: 1850 - total flux cleaned = -0.000818669 Jy ! Component: 1900 - total flux cleaned = -0.000756106 Jy ! Component: 1950 - total flux cleaned = -0.000657886 Jy ! Component: 2000 - total flux cleaned = -0.000585498 Jy ! Component: 2050 - total flux cleaned = -0.000537963 Jy ! Component: 2100 - total flux cleaned = -0.000456193 Jy ! Component: 2150 - total flux cleaned = -0.000352932 Jy ! Component: 2200 - total flux cleaned = -0.000274073 Jy ! Component: 2250 - total flux cleaned = -0.000196112 Jy ! Component: 2300 - total flux cleaned = -0.000152022 Jy ! Component: 2350 - total flux cleaned = -7.62017e-05 Jy ! Component: 2400 - total flux cleaned = -1.22763e-05 Jy ! Component: 2450 - total flux cleaned = 5.09998e-05 Jy ! Component: 2500 - total flux cleaned = 0.000113561 Jy ! Component: 2550 - total flux cleaned = 0.000206411 Jy ! Component: 2600 - total flux cleaned = 0.00026761 Jy ! Component: 2650 - total flux cleaned = 0.000368619 Jy ! Component: 2700 - total flux cleaned = 0.000428606 Jy ! Component: 2750 - total flux cleaned = 0.000517836 Jy ! Component: 2800 - total flux cleaned = 0.00060608 Jy ! Component: 2850 - total flux cleaned = 0.000683812 Jy ! Component: 2900 - total flux cleaned = 0.000760936 Jy ! Component: 2950 - total flux cleaned = 0.000856554 Jy ! Component: 3000 - total flux cleaned = 0.00096096 Jy ! Component: 3050 - total flux cleaned = 0.00105531 Jy ! Component: 3100 - total flux cleaned = 0.00115851 Jy ! Component: 3150 - total flux cleaned = 0.00126113 Jy ! Component: 3200 - total flux cleaned = 0.00136314 Jy ! Component: 3250 - total flux cleaned = 0.0014093 Jy ! Component: 3300 - total flux cleaned = 0.00150118 Jy ! Component: 3350 - total flux cleaned = 0.00155603 Jy ! Component: 3400 - total flux cleaned = 0.00160156 Jy ! Component: 3450 - total flux cleaned = 0.00168327 Jy ! Component: 3500 - total flux cleaned = 0.00171951 Jy ! Component: 3550 - total flux cleaned = 0.00180074 Jy ! Component: 3600 - total flux cleaned = 0.00184575 Jy ! Component: 3650 - total flux cleaned = 0.00190866 Jy ! Component: 3700 - total flux cleaned = 0.00198044 Jy ! Component: 3750 - total flux cleaned = 0.00201623 Jy ! Component: 3800 - total flux cleaned = 0.00210552 Jy ! Component: 3850 - total flux cleaned = 0.00216798 Jy ! Component: 3900 - total flux cleaned = 0.00222139 Jy ! Component: 3950 - total flux cleaned = 0.00230153 Jy ! Component: 4000 - total flux cleaned = 0.0023549 Jy ! Component: 4050 - total flux cleaned = 0.00239934 Jy ! Total flux subtracted in 4096 components = 0.00247042 Jy ! Clean residual min=-0.000664 max=0.000483 Jy/beam ! Clean residual mean=0.000001 rms=0.000144 Jy/beam ! Combined flux in latest and established models = 1.23771 Jy keep ! Adding 230 model components to the UV plane model. ! The established model now contains 331 components and 1.23771 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1658+0741_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.935 x 2.749 at -17.66 degrees (North through East) ! Clean map min=-0.001403 max=1.0531 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1658+0741_X_map.fits wmodel /vlbi/bp222/maps//J1658+0741_X_map.mod ! Writing 331 model components to file: /vlbi/bp222/maps//J1658+0741_X_map.mod wobs /vlbi/bp222/maps//J1658+0741_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1658+0741_X_uvs.fits wwins /vlbi/bp222/maps//J1658+0741_X_map.win ! wwins: Wrote 4 windows to /vlbi/bp222/maps//J1658+0741_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 1.05308 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00014858 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0423273 0.0423273 0.0846546 0.169309 0.338619 0.677237 1.35447 2.70895 5.4179 10.8358 21.6716 43.3432 86.6863 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 1.053 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 7087.62 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1658+0741_X_dfm.log closed on Mon Jan 14 17:07:13 2019