! Started logfile: /vlbi/uf001/uvm//J1818-1108_X_a_dfm.log on Sun Jan 13 22:13:35 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/uvm//J1818-1108_X_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1818-1108_X_a_uvm.fits ! AN table 1: 259 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.958218 visibilities/baseline/integration-bin. ! Found source: J1818-1108 ! ! 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 83388 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 J1818-1108_X_a] 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 92 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 92 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 92 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 92 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 92 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 92 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 92 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 92 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 92 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 92 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 92 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 92 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.024984Jy sigma=22.004459 ! Fit after self-cal, rms=0.864509Jy sigma=18.692452 ! 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=1.339 mas, bmaj=3.867 mas, bpa=-4.556 degrees ! Estimated noise=0.258643 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 = 0.0959753 Jy ! Component: 100 - total flux cleaned = 0.146794 Jy ! Total flux subtracted in 100 components = 0.146794 Jy ! Clean residual min=-0.018318 max=0.042164 Jy/beam ! Clean residual mean=0.000059 rms=0.005450 Jy/beam ! Combined flux in latest and established models = 0.146794 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 24 components and 0.146794 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=0.153779Jy sigma=3.133624 ! Fit after self-cal, rms=0.152625Jy sigma=3.109493 ! Inverting map ! Added new window around map position (-2, 0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0413199 Jy ! Component: 100 - total flux cleaned = 0.0715828 Jy ! Total flux subtracted in 100 components = 0.0715828 Jy ! Clean residual min=-0.015779 max=0.029429 Jy/beam ! Clean residual mean=0.000054 rms=0.004230 Jy/beam ! Combined flux in latest and established models = 0.218377 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 49 components and 0.218377 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=0.127083Jy sigma=2.574747 ! Fit after self-cal, rms=0.126552Jy sigma=2.563537 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.622 mas, bmaj=4.258 mas, bpa=-3.316 degrees ! Estimated noise=0.117709 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 = 0.0509108 Jy ! Component: 100 - total flux cleaned = 0.0862722 Jy ! Component: 150 - total flux cleaned = 0.112623 Jy ! Component: 200 - total flux cleaned = 0.132666 Jy ! Total flux subtracted in 200 components = 0.132666 Jy ! Clean residual min=-0.017851 max=0.031596 Jy/beam ! Clean residual mean=0.000033 rms=0.005289 Jy/beam ! Combined flux in latest and established models = 0.351043 Jy ! Performing phase self-cal ! Adding 78 model components to the UV plane model. ! The established model now contains 115 components and 0.351043 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=0.095747Jy sigma=1.928620 ! Fit after self-cal, rms=0.094854Jy sigma=1.911281 ! Inverting map ! Added new window around map position (-49.6, -1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0283462 Jy ! Component: 100 - total flux cleaned = 0.0456655 Jy ! Component: 150 - total flux cleaned = 0.0599304 Jy ! Component: 200 - total flux cleaned = 0.071992 Jy ! Total flux subtracted in 200 components = 0.071992 Jy ! Clean residual min=-0.012523 max=0.025729 Jy/beam ! Clean residual mean=0.000015 rms=0.003879 Jy/beam ! Combined flux in latest and established models = 0.423035 Jy ! Performing phase self-cal ! Adding 77 model components to the UV plane model. ! The established model now contains 181 components and 0.423035 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=0.083544Jy sigma=1.663451 ! Fit after self-cal, rms=0.082270Jy sigma=1.635019 ! Inverting map ! Added new window around map position (2.6, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0195005 Jy ! Component: 100 - total flux cleaned = 0.0325601 Jy ! Component: 150 - total flux cleaned = 0.0435644 Jy ! Component: 200 - total flux cleaned = 0.0529816 Jy ! Total flux subtracted in 200 components = 0.0529816 Jy ! Clean residual min=-0.010519 max=0.011493 Jy/beam ! Clean residual mean=0.000003 rms=0.002838 Jy/beam ! Combined flux in latest and established models = 0.476016 Jy ! Performing phase self-cal ! Adding 69 model components to the UV plane model. ! The established model now contains 237 components and 0.476016 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=0.075875Jy sigma=1.479410 ! Fit after self-cal, rms=0.075495Jy sigma=1.472873 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.622 x 4.258 at -3.316 degrees (North through East) ! Clean map min=-0.010127 max=0.134 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00 HN 1.10 KP 1.01 ! LA 0.93 NL 1.44 OV 0.99 PT 0.92 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.98 HN 1.18 KP 1.01 ! LA 0.97 NL 1.35 OV 0.98 PT 0.93 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.99 HN 1.20 KP 1.01 ! LA 0.95 NL 1.35 OV 1.00 PT 0.91 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.99 HN 1.17 KP 1.02 ! LA 0.97 NL 1.34 OV 0.99 PT 0.92 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.99 HN 1.08 KP 1.01 ! LA 0.95 NL 1.32 OV 0.98 PT 0.93 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.98 HN 1.09 KP 1.00 ! LA 0.94 NL 1.32 OV 0.98 PT 0.93 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.97 HN 1.04 KP 1.02 ! LA 0.94 NL 1.28 OV 0.98 PT 0.94 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.97 HN 1.12 KP 1.01 ! LA 0.94 NL 1.33 OV 0.97 PT 0.93 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.96 HN 1.09 KP 1.00 ! LA 0.95 NL 1.32 OV 0.98 PT 0.94 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.98 HN 1.06 KP 1.01 ! LA 0.95 NL 1.30 OV 0.97 PT 0.94 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.97 HN 1.03 KP 1.01 ! LA 0.95 NL 1.30 OV 0.97 PT 0.94 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.96 HN 0.99 KP 0.98 ! LA 0.97 NL 1.27 OV 0.98 PT 0.93 ! ! ! Fit before self-cal, rms=0.075495Jy sigma=1.472873 ! Fit after self-cal, rms=0.075845Jy sigma=1.414947 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.672 mas, bmaj=4.266 mas, bpa=-2.581 degrees ! Estimated noise=0.124663 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 = 0.0057422 Jy ! Component: 100 - total flux cleaned = 0.00856739 Jy ! Component: 150 - total flux cleaned = 0.00942263 Jy ! Component: 200 - total flux cleaned = 0.00986341 Jy ! Total flux subtracted in 200 components = 0.00986341 Jy ! Clean residual min=-0.007269 max=0.008835 Jy/beam ! Clean residual mean=-0.000012 rms=0.002342 Jy/beam ! Combined flux in latest and established models = 0.48588 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 279 components and 0.48588 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=0.074928Jy sigma=1.388028 ! Fit after self-cal, rms=0.074921Jy sigma=1.385155 ! 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=0.074921Jy sigma=1.385155 ! Fit after self-cal, rms=0.070525Jy sigma=1.239500 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.629 mas, bmaj=4.224 mas, bpa=-2.996 degrees ! Estimated noise=0.123159 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00497662 Jy ! Component: 100 - total flux cleaned = 0.0070939 Jy ! Component: 150 - total flux cleaned = 0.0084627 Jy ! Component: 200 - total flux cleaned = 0.00916498 Jy ! Total flux subtracted in 200 components = 0.00916498 Jy ! Clean residual min=-0.003704 max=0.006579 Jy/beam ! Clean residual mean=-0.000009 rms=0.001054 Jy/beam ! Combined flux in latest and established models = 0.495045 Jy selfcal ! Performing phase self-cal ! Adding 51 model components to the UV plane model. ! The established model now contains 321 components and 0.495044 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=0.070076Jy sigma=1.225841 ! Fit after self-cal, rms=0.070231Jy sigma=1.223778 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 (-4.6, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00526032 Jy ! Component: 100 - total flux cleaned = 0.00728359 Jy ! Component: 150 - total flux cleaned = 0.00891045 Jy ! Component: 200 - total flux cleaned = 0.0100768 Jy ! Total flux subtracted in 200 components = 0.0100768 Jy ! Clean residual min=-0.002787 max=0.003367 Jy/beam ! Clean residual mean=-0.000009 rms=0.000839 Jy/beam ! Combined flux in latest and established models = 0.505121 Jy ! Performing phase self-cal ! Adding 55 model components to the UV plane model. ! The established model now contains 364 components and 0.505121 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=0.069783Jy sigma=1.209863 ! Fit after self-cal, rms=0.069700Jy sigma=1.208936 ! Inverting map ! Added new window around map position (-0.2, -11). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0036219 Jy ! Component: 100 - total flux cleaned = 0.0054438 Jy ! Component: 150 - total flux cleaned = 0.00651563 Jy ! Component: 200 - total flux cleaned = 0.00733037 Jy ! Total flux subtracted in 200 components = 0.00733037 Jy ! Clean residual min=-0.002402 max=0.002874 Jy/beam ! Clean residual mean=-0.000011 rms=0.000717 Jy/beam ! Combined flux in latest and established models = 0.512452 Jy ! Performing phase self-cal ! Adding 45 model components to the UV plane model. ! The established model now contains 392 components and 0.512452 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=0.069459Jy sigma=1.202286 ! Fit after self-cal, rms=0.069427Jy sigma=1.201846 ! 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=0.069427Jy sigma=1.201846 ! Fit after self-cal, rms=0.067417Jy sigma=1.197732 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.608 mas, bmaj=4.239 mas, bpa=-3.16 degrees ! Estimated noise=0.120742 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00180448 Jy ! Component: 100 - total flux cleaned = 0.0035676 Jy ! Component: 150 - total flux cleaned = 0.00511416 Jy ! Component: 200 - total flux cleaned = 0.00642383 Jy ! Total flux subtracted in 200 components = 0.00642383 Jy ! Clean residual min=-0.001912 max=0.002181 Jy/beam ! Clean residual mean=-0.000007 rms=0.000584 Jy/beam ! Combined flux in latest and established models = 0.518876 Jy selfcal ! Performing phase self-cal ! Adding 66 model components to the UV plane model. ! The established model now contains 423 components and 0.518875 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=0.067271Jy sigma=1.193190 ! Fit after self-cal, rms=0.067255Jy sigma=1.192921 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 = 0.000981434 Jy ! Component: 100 - total flux cleaned = 0.00181105 Jy ! Component: 150 - total flux cleaned = 0.00246143 Jy ! Component: 200 - total flux cleaned = 0.00281419 Jy ! Total flux subtracted in 200 components = 0.00281419 Jy ! Clean residual min=-0.001866 max=0.002056 Jy/beam ! Clean residual mean=-0.000008 rms=0.000544 Jy/beam ! Combined flux in latest and established models = 0.52169 Jy ! Performing phase self-cal ! Adding 62 model components to the UV plane model. ! The established model now contains 448 components and 0.52169 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=0.067178Jy sigma=1.190722 ! Fit after self-cal, rms=0.067174Jy sigma=1.190597 ! 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=0.067174Jy sigma=1.190597 ! Fit after self-cal, rms=0.066429Jy sigma=1.190008 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.366 mas, bmaj=4.528 mas, bpa=1.66 degrees ! Estimated noise=0.127815 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00223154 Jy ! Component: 100 - total flux cleaned = 0.00388631 Jy ! Component: 150 - total flux cleaned = 0.00494615 Jy ! Component: 200 - total flux cleaned = 0.0055746 Jy ! Total flux subtracted in 200 components = 0.0055746 Jy ! Clean residual min=-0.001993 max=0.002025 Jy/beam ! Clean residual mean=-0.000009 rms=0.000580 Jy/beam ! Combined flux in latest and established models = 0.527264 Jy selfcal ! Performing phase self-cal ! Adding 53 model components to the UV plane model. ! The established model now contains 471 components and 0.527264 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=0.066371Jy sigma=1.187858 ! Fit after self-cal, rms=0.066359Jy sigma=1.187621 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 = 0.00113512 Jy ! Component: 100 - total flux cleaned = 0.00142979 Jy ! Component: 150 - total flux cleaned = 0.00173301 Jy ! Component: 200 - total flux cleaned = 0.00201515 Jy ! Total flux subtracted in 200 components = 0.00201515 Jy ! Clean residual min=-0.001905 max=0.001904 Jy/beam ! Clean residual mean=-0.000010 rms=0.000544 Jy/beam ! Combined flux in latest and established models = 0.529279 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 491 components and 0.529279 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=0.066332Jy sigma=1.186662 ! Fit after self-cal, rms=0.066329Jy sigma=1.186584 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=1.601 mas, bmaj=4.253 mas, bpa=-3.26 degrees ! Estimated noise=0.11967 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.601 x 4.253 at -3.26 degrees (North through East) ! Clean map min=-0.0016605 max=0.12968 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=1.287 mas, bmaj=3.879 mas, bpa=-4.798 degrees ! Estimated noise=0.261046 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0973933 Jy ! Component: 100 - total flux cleaned = 0.153957 Jy ! Component: 150 - total flux cleaned = 0.193678 Jy ! Component: 200 - total flux cleaned = 0.225287 Jy ! Total flux subtracted in 200 components = 0.225287 Jy ! Clean residual min=-0.013760 max=0.019163 Jy/beam ! Clean residual mean=0.000047 rms=0.003838 Jy/beam ! Combined flux in latest and established models = 0.225287 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 64 model components to the UV plane model. ! The established model now contains 64 components and 0.225287 Jy ! Inverting map and beam ! Estimated beam: bmin=1.601 mas, bmaj=4.253 mas, bpa=-3.26 degrees ! Estimated noise=0.11967 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 = 0.0490205 Jy ! Component: 100 - total flux cleaned = 0.0851841 Jy ! Component: 150 - total flux cleaned = 0.113957 Jy ! Component: 200 - total flux cleaned = 0.137548 Jy ! Total flux subtracted in 200 components = 0.137548 Jy ! Clean residual min=-0.012621 max=0.016043 Jy/beam ! Clean residual mean=0.000027 rms=0.003865 Jy/beam ! Combined flux in latest and established models = 0.362836 Jy ! Adding 105 model components to the UV plane model. ! The established model now contains 154 components and 0.362836 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=2.366 mas, bmaj=4.528 mas, bpa=1.66 degrees ! Estimated noise=0.127815 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0267291 Jy ! Component: 100 - total flux cleaned = 0.0477748 Jy ! Component: 150 - total flux cleaned = 0.0649725 Jy ! Component: 200 - total flux cleaned = 0.0792506 Jy ! Total flux subtracted in 200 components = 0.0792506 Jy ! Clean residual min=-0.008262 max=0.009339 Jy/beam ! Clean residual mean=0.000011 rms=0.002756 Jy/beam ! Combined flux in latest and established models = 0.442086 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 = 0.0119729 Jy ! Component: 100 - total flux cleaned = 0.0220898 Jy ! Component: 150 - total flux cleaned = 0.0306852 Jy ! Component: 200 - total flux cleaned = 0.0380305 Jy ! Total flux subtracted in 200 components = 0.0380305 Jy ! Clean residual min=-0.005107 max=0.004825 Jy/beam ! Clean residual mean=0.000006 rms=0.001678 Jy/beam ! Combined flux in latest and established models = 0.480117 Jy ! Adding 168 model components to the UV plane model. ! The established model now contains 306 components and 0.480117 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.601 mas, bmaj=4.253 mas, bpa=-3.26 degrees ! Estimated noise=0.11967 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00533758 Jy ! Component: 100 - total flux cleaned = 0.00993059 Jy ! Component: 150 - total flux cleaned = 0.0140125 Jy ! Component: 200 - total flux cleaned = 0.0176749 Jy ! Total flux subtracted in 200 components = 0.0176749 Jy ! Clean residual min=-0.003418 max=0.002786 Jy/beam ! Clean residual mean=-0.000002 rms=0.000891 Jy/beam ! Combined flux in latest and established models = 0.497792 Jy selfcal ! Performing phase self-cal ! Adding 54 model components to the UV plane model. ! The established model now contains 355 components and 0.497792 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=0.067001Jy sigma=1.205901 ! Fit after self-cal, rms=0.066865Jy sigma=1.203677 wmodel J1818-1108_X_a_map.mod ! Writing 355 model components to file: J1818-1108_X_a_map.mod wobs J1818-1108_X_a_uvs.fits ! Writing UV FITS file: J1818-1108_X_a_uvs.fits wwins J1818-1108_X_a_map.win ! wwins: Wrote 6 windows to J1818-1108_X_a_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 = -0.00139505 Jy ! Component: 100 - total flux cleaned = -0.00190327 Jy ! Component: 150 - total flux cleaned = -0.00223303 Jy ! Component: 200 - total flux cleaned = -0.00268024 Jy ! Component: 250 - total flux cleaned = -0.00293797 Jy ! Component: 300 - total flux cleaned = -0.00318605 Jy ! Component: 350 - total flux cleaned = -0.00326463 Jy ! Component: 400 - total flux cleaned = -0.00326437 Jy ! Component: 450 - total flux cleaned = -0.00334055 Jy ! Component: 500 - total flux cleaned = -0.0034495 Jy ! Component: 550 - total flux cleaned = -0.00355474 Jy ! Component: 600 - total flux cleaned = -0.00358831 Jy ! Component: 650 - total flux cleaned = -0.00365551 Jy ! Component: 700 - total flux cleaned = -0.00362278 Jy ! Component: 750 - total flux cleaned = -0.00362287 Jy ! Component: 800 - total flux cleaned = -0.00362241 Jy ! Component: 850 - total flux cleaned = -0.00356176 Jy ! Component: 900 - total flux cleaned = -0.00362158 Jy ! Component: 950 - total flux cleaned = -0.00359158 Jy ! Component: 1000 - total flux cleaned = -0.00364878 Jy ! Component: 1050 - total flux cleaned = -0.00367637 Jy ! Component: 1100 - total flux cleaned = -0.00364886 Jy ! Component: 1150 - total flux cleaned = -0.0037024 Jy ! Component: 1200 - total flux cleaned = -0.0036498 Jy ! Component: 1250 - total flux cleaned = -0.00377934 Jy ! Component: 1300 - total flux cleaned = -0.00375432 Jy ! Component: 1350 - total flux cleaned = -0.00387858 Jy ! Component: 1400 - total flux cleaned = -0.00390337 Jy ! Component: 1450 - total flux cleaned = -0.00397566 Jy ! Component: 1500 - total flux cleaned = -0.00411558 Jy ! Component: 1550 - total flux cleaned = -0.00411491 Jy ! Component: 1600 - total flux cleaned = -0.00422685 Jy ! Component: 1650 - total flux cleaned = -0.00422608 Jy ! Component: 1700 - total flux cleaned = -0.00424788 Jy ! Component: 1750 - total flux cleaned = -0.00429031 Jy ! Component: 1800 - total flux cleaned = -0.00433217 Jy ! Component: 1850 - total flux cleaned = -0.004455 Jy ! Component: 1900 - total flux cleaned = -0.00455527 Jy ! Component: 1950 - total flux cleaned = -0.00451604 Jy ! Component: 2000 - total flux cleaned = -0.00457437 Jy ! Component: 2050 - total flux cleaned = -0.00467012 Jy ! Component: 2100 - total flux cleaned = -0.00468832 Jy ! Component: 2150 - total flux cleaned = -0.00466952 Jy ! Component: 2200 - total flux cleaned = -0.00472412 Jy ! Component: 2250 - total flux cleaned = -0.00474211 Jy ! Component: 2300 - total flux cleaned = -0.00474228 Jy ! Component: 2350 - total flux cleaned = -0.0048119 Jy ! Component: 2400 - total flux cleaned = -0.00484627 Jy ! Component: 2450 - total flux cleaned = -0.00489639 Jy ! Component: 2500 - total flux cleaned = -0.00491239 Jy ! Component: 2550 - total flux cleaned = -0.00491174 Jy ! Component: 2600 - total flux cleaned = -0.0048957 Jy ! Component: 2650 - total flux cleaned = -0.00495946 Jy ! Component: 2700 - total flux cleaned = -0.00499086 Jy ! Component: 2750 - total flux cleaned = -0.00502151 Jy ! Component: 2800 - total flux cleaned = -0.00502159 Jy ! Component: 2850 - total flux cleaned = -0.00503694 Jy ! Component: 2900 - total flux cleaned = -0.00511116 Jy ! Component: 2950 - total flux cleaned = -0.00509636 Jy ! Component: 3000 - total flux cleaned = -0.00506769 Jy ! Component: 3050 - total flux cleaned = -0.00508212 Jy ! Component: 3100 - total flux cleaned = -0.00508195 Jy ! Component: 3150 - total flux cleaned = -0.00508225 Jy ! Component: 3200 - total flux cleaned = -0.00512324 Jy ! Component: 3250 - total flux cleaned = -0.00502902 Jy ! Component: 3300 - total flux cleaned = -0.00508239 Jy ! Component: 3350 - total flux cleaned = -0.00508236 Jy ! Component: 3400 - total flux cleaned = -0.00505623 Jy ! Component: 3450 - total flux cleaned = -0.00501779 Jy ! Component: 3500 - total flux cleaned = -0.00499241 Jy ! Component: 3550 - total flux cleaned = -0.00496738 Jy ! Component: 3600 - total flux cleaned = -0.00493023 Jy ! Component: 3650 - total flux cleaned = -0.00490577 Jy ! Component: 3700 - total flux cleaned = -0.00488147 Jy ! Component: 3750 - total flux cleaned = -0.00488154 Jy ! Component: 3800 - total flux cleaned = -0.00483421 Jy ! Component: 3850 - total flux cleaned = -0.00475276 Jy ! Component: 3900 - total flux cleaned = -0.00475265 Jy ! Component: 3950 - total flux cleaned = -0.00472967 Jy ! Component: 4000 - total flux cleaned = -0.00462817 Jy ! Component: 4050 - total flux cleaned = -0.00459506 Jy ! Total flux subtracted in 4096 components = -0.00460616 Jy ! Clean residual min=-0.000722 max=0.000623 Jy/beam ! Clean residual mean=-0.000001 rms=0.000231 Jy/beam ! Combined flux in latest and established models = 0.493186 Jy keep ! Adding 403 model components to the UV plane model. ! The established model now contains 754 components and 0.493186 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1818-1108_X_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.601 x 4.253 at -3.26 degrees (North through East) ! Clean map min=-0.0022417 max=0.1281 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1818-1108_X_a_map.fits wmodel /vlbi/uf001/uvm//J1818-1108_X_a_map.mod ! Writing 754 model components to file: /vlbi/uf001/uvm//J1818-1108_X_a_map.mod wobs /vlbi/uf001/uvm//J1818-1108_X_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1818-1108_X_a_uvs.fits wwins /vlbi/uf001/uvm//J1818-1108_X_a_map.win ! wwins: Wrote 7 windows to /vlbi/uf001/uvm//J1818-1108_X_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.128104 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000227022 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.53165 0.53165 1.0633 2.1266 4.2532 8.5064 17.0128 34.0256 68.0512 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.128 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 564.281 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1818-1108_X_a_dfm.log closed on Sun Jan 13 22:13:47 2019