! Started logfile: /vlbi/uf001/uvm//J1956-1957_X_a_dfm.log on Sun Jan 13 22:24:38 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//J1956-1957_X_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1956-1957_X_a_uvm.fits ! AN table 1: 74 integrations on 45 of 45 possible baselines. ! AN table 2: 73 integrations on 28 of 28 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1956-1957 ! ! 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 64488 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 J1956-1957_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 20 telescope corrections were flagged in sub-array 1. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 20 telescope corrections were flagged in sub-array 1. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 20 telescope corrections were flagged in sub-array 1. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 20 telescope corrections were flagged in sub-array 1. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 20 telescope corrections were flagged in sub-array 1. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 20 telescope corrections were flagged in sub-array 1. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 20 telescope corrections were flagged in sub-array 1. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 20 telescope corrections were flagged in sub-array 1. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 9. ! A total of 20 telescope corrections were flagged in sub-array 1. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 10. ! A total of 20 telescope corrections were flagged in sub-array 1. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 11. ! A total of 20 telescope corrections were flagged in sub-array 1. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 12. ! A total of 20 telescope corrections were flagged in sub-array 1. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.003494Jy sigma=21.772812 ! Fit after self-cal, rms=0.962131Jy sigma=20.868230 ! 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=0.6071 mas, bmaj=1.688 mas, bpa=-7.985 degrees ! Estimated noise=0.315776 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 = 0.0281635 Jy ! Component: 100 - total flux cleaned = 0.0364566 Jy ! Total flux subtracted in 100 components = 0.0364566 Jy ! Clean residual min=-0.002021 max=0.003763 Jy/beam ! Clean residual mean=-0.000003 rms=0.000507 Jy/beam ! Combined flux in latest and established models = 0.0364566 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.0364566 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=0.066035Jy sigma=1.260661 ! Fit after self-cal, rms=0.064383Jy sigma=1.222020 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00606529 Jy ! Component: 100 - total flux cleaned = 0.00899987 Jy ! Total flux subtracted in 100 components = 0.00899987 Jy ! Clean residual min=-0.001794 max=0.002493 Jy/beam ! Clean residual mean=-0.000002 rms=0.000436 Jy/beam ! Combined flux in latest and established models = 0.0454564 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.0454564 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=0.063608Jy sigma=1.202630 ! Fit after self-cal, rms=0.063584Jy sigma=1.202175 ! Inverting map ! Added new window around map position (-1.2, -4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00262731 Jy ! Component: 100 - total flux cleaned = 0.00418668 Jy ! Total flux subtracted in 100 components = 0.00418668 Jy ! Clean residual min=-0.001676 max=0.001902 Jy/beam ! Clean residual mean=-0.000001 rms=0.000408 Jy/beam ! Combined flux in latest and established models = 0.0496431 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 16 components and 0.0496431 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=0.063478Jy sigma=1.199150 ! Fit after self-cal, rms=0.063455Jy sigma=1.198527 ! 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=0.8425 mas, bmaj=2.231 mas, bpa=-7.606 degrees ! Estimated noise=0.132818 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 (-1.6, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00219567 Jy ! Component: 100 - total flux cleaned = 0.00339941 Jy ! Component: 150 - total flux cleaned = 0.00371668 Jy ! Component: 200 - total flux cleaned = 0.00391501 Jy ! Total flux subtracted in 200 components = 0.00391501 Jy ! Clean residual min=-0.001133 max=0.001546 Jy/beam ! Clean residual mean=-0.000000 rms=0.000309 Jy/beam ! Combined flux in latest and established models = 0.0535581 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 34 components and 0.0535581 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=0.063371Jy sigma=1.196493 ! Fit after self-cal, rms=0.063351Jy sigma=1.196150 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8425 x 2.231 at -7.606 degrees (North through East) ! Clean map min=-0.0011184 max=0.040199 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.97 HN 1.14 KP 0.95 ! LA 0.97 MK 1.21 NL 1.14 OV 0.95 ! PT 0.89 SC 1.08 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.91 FD 1.11 HN 1.08 KP 1.14 ! LA 1.01 MK 0.95 NL 1.07 OV 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.94 HN 1.06 KP 1.02 ! LA 0.96 MK 1.04 NL 1.10 OV 0.91 ! PT 0.90 SC 1.06 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.85 FD 1.03 HN 1.04 KP 1.20 ! LA 0.98 MK 1.08 NL 1.11 OV 1.03 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.95 HN 1.04 KP 0.99 ! LA 0.96 MK 1.13 NL 1.09 OV 0.91 ! PT 0.99 SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.82 FD 1.06 HN 0.99 KP 1.13 ! LA 1.09 MK 1.02 NL 1.12 OV 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.02 HN 0.98 KP 1.00 ! LA 0.97 MK 1.05 NL 1.12 OV 0.90 ! PT 0.93 SC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 1.00 HN 0.97 KP 1.15 ! LA 1.07 MK 0.95 NL 1.03 OV 1.04 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.97 HN 0.91 KP 1.06 ! LA 0.95 MK 1.03 NL 1.14 OV 0.90 ! PT 0.94 SC 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.82 FD 1.06 HN 0.93 KP 1.24 ! LA 1.03 MK 1.03 NL 1.14 OV 0.93 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.94 HN 1.10 KP 1.05 ! LA 0.98 MK 1.04 NL 1.07 OV 0.86 ! PT 0.93 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.68 FD 1.16 HN 0.93 KP 1.28 ! LA 0.97 MK 0.91 NL 1.09 OV 0.96 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.97 KP 1.05 ! LA 0.96 MK 1.10 NL 1.12 OV 0.87 ! PT 0.88 SC 1.07 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.89 FD 1.05 HN 0.95 KP 1.24 ! LA 0.99 MK 0.98 NL 1.14 OV 0.95 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.02 HN 1.04 KP 1.10 ! LA 1.03 MK 1.03 NL 1.12 OV 0.88 ! PT 0.93 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.80 FD 1.04 HN 0.94 KP 1.30 ! LA 1.04 MK 1.05 NL 1.18 OV 0.91 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.99 HN 0.95 KP 1.02 ! LA 0.97 MK 1.08 NL 1.10 OV 0.87 ! PT 0.95 SC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.86 FD 0.96 HN 0.86 KP 1.26 ! LA 1.04 MK 1.01 NL 1.11 OV 0.97 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.93 HN 0.93 KP 1.07 ! LA 0.96 MK 0.96 NL 1.17 OV 0.87 ! PT 0.97 SC 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.80 FD 1.07 HN 0.93 KP 1.23 ! LA 1.04 MK 0.82 NL 1.11 OV 0.93 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 HN 0.97 KP 1.02 ! LA 0.95 MK 0.95 NL 1.11 OV 0.92 ! PT 0.89 SC 1.06 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.75 FD 1.00 HN 0.91 KP 1.14 ! LA 1.02 MK 0.86 NL 1.06 OV 1.04 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.96 HN 0.94 KP 1.03 ! LA 0.94 MK 0.90 NL 1.16 OV 0.85 ! PT 0.92 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.70 FD 1.03 HN 0.86 KP 1.19 ! LA 1.04 MK 0.78 NL 1.07 OV 0.99 ! ! ! Fit before self-cal, rms=0.063351Jy sigma=1.196150 ! Fit after self-cal, rms=0.060690Jy sigma=1.190419 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8447 mas, bmaj=2.227 mas, bpa=-7.522 degrees ! Estimated noise=0.132226 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 = -5.86947e-05 Jy ! Component: 100 - total flux cleaned = -5.6947e-05 Jy ! Component: 150 - total flux cleaned = -8.23872e-05 Jy ! Component: 200 - total flux cleaned = -9.2666e-05 Jy ! Total flux subtracted in 200 components = -9.2666e-05 Jy ! Clean residual min=-0.000730 max=0.000838 Jy/beam ! Clean residual mean=-0.000001 rms=0.000167 Jy/beam ! Combined flux in latest and established models = 0.0534655 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 49 components and 0.0534655 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=0.060683Jy sigma=1.190270 ! Fit after self-cal, rms=0.060698Jy sigma=1.189272 ! Inverting map ! Added new window around map position (-22.4, 23.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000472806 Jy ! Component: 100 - total flux cleaned = 0.000630871 Jy ! Component: 150 - total flux cleaned = 0.000660955 Jy ! Component: 200 - total flux cleaned = 0.000727 Jy ! Total flux subtracted in 200 components = 0.000727 Jy ! Clean residual min=-0.000707 max=0.000875 Jy/beam ! Clean residual mean=-0.000000 rms=0.000169 Jy/beam ! Combined flux in latest and established models = 0.0541925 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 64 components and 0.0541925 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=0.060683Jy sigma=1.189002 ! Fit after self-cal, rms=0.060682Jy sigma=1.188940 ! Inverting map ! Added new window around map position (1.4, -1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000618025 Jy ! Component: 100 - total flux cleaned = 0.000654142 Jy ! Component: 150 - total flux cleaned = 0.000751653 Jy ! Component: 200 - total flux cleaned = 0.00079478 Jy ! Total flux subtracted in 200 components = 0.00079478 Jy ! Clean residual min=-0.000719 max=0.000651 Jy/beam ! Clean residual mean=-0.000000 rms=0.000163 Jy/beam ! Combined flux in latest and established models = 0.0549873 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 80 components and 0.0549873 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=0.060667Jy sigma=1.188686 ! Fit after self-cal, rms=0.060664Jy sigma=1.188634 ! 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=0.060664Jy sigma=1.188634 ! Fit after self-cal, rms=0.060311Jy sigma=1.187161 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8422 mas, bmaj=2.224 mas, bpa=-7.41 degrees ! Estimated noise=0.13195 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000504421 Jy ! Component: 100 - total flux cleaned = 0.000597899 Jy ! Component: 150 - total flux cleaned = 0.000624944 Jy ! Component: 200 - total flux cleaned = 0.000613374 Jy ! Total flux subtracted in 200 components = 0.000613374 Jy ! Clean residual min=-0.000602 max=0.000622 Jy/beam ! Clean residual mean=0.000000 rms=0.000149 Jy/beam ! Combined flux in latest and established models = 0.0556006 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 94 components and 0.0556006 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=0.060301Jy sigma=1.187015 ! Fit after self-cal, rms=0.060311Jy sigma=1.186765 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 (51, -33). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000564938 Jy ! Component: 100 - total flux cleaned = 0.000628973 Jy ! Component: 150 - total flux cleaned = 0.000602632 Jy ! Component: 200 - total flux cleaned = 0.000566131 Jy ! Total flux subtracted in 200 components = 0.000566131 Jy ! Clean residual min=-0.000595 max=0.000595 Jy/beam ! Clean residual mean=0.000000 rms=0.000148 Jy/beam ! Combined flux in latest and established models = 0.0561668 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 101 components and 0.0561668 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=0.060301Jy sigma=1.186620 ! Fit after self-cal, rms=0.060299Jy sigma=1.186571 ! 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=0.060299Jy sigma=1.186571 ! Fit after self-cal, rms=0.060132Jy sigma=1.186418 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8402 mas, bmaj=2.224 mas, bpa=-7.367 degrees ! Estimated noise=0.131681 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000469725 Jy ! Component: 100 - total flux cleaned = 0.000577828 Jy ! Component: 150 - total flux cleaned = 0.000601842 Jy ! Component: 200 - total flux cleaned = 0.000590748 Jy ! Total flux subtracted in 200 components = 0.000590748 Jy ! Clean residual min=-0.000572 max=0.000593 Jy/beam ! Clean residual mean=0.000000 rms=0.000144 Jy/beam ! Combined flux in latest and established models = 0.0567575 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 109 components and 0.0567575 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=0.060124Jy sigma=1.186314 ! Fit after self-cal, rms=0.060129Jy sigma=1.186156 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 = 0.000137202 Jy ! Component: 100 - total flux cleaned = 0.000125725 Jy ! Component: 150 - total flux cleaned = 0.00013602 Jy ! Component: 200 - total flux cleaned = 0.000135823 Jy ! Total flux subtracted in 200 components = 0.000135823 Jy ! Clean residual min=-0.000568 max=0.000613 Jy/beam ! Clean residual mean=0.000000 rms=0.000144 Jy/beam ! Combined flux in latest and established models = 0.0568933 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 112 components and 0.0568933 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=0.060125Jy sigma=1.186084 ! Fit after self-cal, rms=0.060124Jy sigma=1.186075 ! 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=0.060124Jy sigma=1.186075 ! Fit after self-cal, rms=0.060031Jy sigma=1.186046 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.118 mas, bmaj=4.742 mas, bpa=2.275 degrees ! Estimated noise=0.167037 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000119881 Jy ! Component: 100 - total flux cleaned = -0.000101094 Jy ! Component: 150 - total flux cleaned = -7.15807e-05 Jy ! Component: 200 - total flux cleaned = -5.8999e-05 Jy ! Total flux subtracted in 200 components = -5.8999e-05 Jy ! Clean residual min=-0.000629 max=0.000648 Jy/beam ! Clean residual mean=-0.000000 rms=0.000167 Jy/beam ! Combined flux in latest and established models = 0.0568343 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 126 components and 0.0568343 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=0.060030Jy sigma=1.186030 ! Fit after self-cal, rms=0.060028Jy sigma=1.186003 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.77827e-05 Jy ! Component: 100 - total flux cleaned = -4.36208e-05 Jy ! Component: 150 - total flux cleaned = -3.78536e-05 Jy ! Component: 200 - total flux cleaned = -3.78854e-05 Jy ! Total flux subtracted in 200 components = -3.78854e-05 Jy ! Clean residual min=-0.000627 max=0.000635 Jy/beam ! Clean residual mean=-0.000000 rms=0.000165 Jy/beam ! Combined flux in latest and established models = 0.0567965 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 136 components and 0.0567964 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=0.060028Jy sigma=1.186001 ! Fit after self-cal, rms=0.060028Jy sigma=1.186001 ! 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=0.8385 mas, bmaj=2.224 mas, bpa=-7.359 degrees ! Estimated noise=0.131573 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8385 x 2.224 at -7.359 degrees (North through East) ! Clean map min=-0.00087034 max=0.039782 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=0.6072 mas, bmaj=1.69 mas, bpa=-7.79 degrees ! Estimated noise=0.31187 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0294266 Jy ! Component: 100 - total flux cleaned = 0.0388998 Jy ! Component: 150 - total flux cleaned = 0.0437312 Jy ! Component: 200 - total flux cleaned = 0.0470132 Jy ! Total flux subtracted in 200 components = 0.0470132 Jy ! Clean residual min=-0.001664 max=0.001938 Jy/beam ! Clean residual mean=-0.000001 rms=0.000401 Jy/beam ! Combined flux in latest and established models = 0.0470132 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.0470132 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8385 mas, bmaj=2.224 mas, bpa=-7.359 degrees ! Estimated noise=0.131573 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 = 0.003459 Jy ! Component: 100 - total flux cleaned = 0.00539796 Jy ! Component: 150 - total flux cleaned = 0.00676725 Jy ! Component: 200 - total flux cleaned = 0.00759061 Jy ! Total flux subtracted in 200 components = 0.00759061 Jy ! Clean residual min=-0.000728 max=0.000760 Jy/beam ! Clean residual mean=-0.000001 rms=0.000181 Jy/beam ! Combined flux in latest and established models = 0.0546038 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 42 components and 0.0546038 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=2.118 mas, bmaj=4.742 mas, bpa=2.275 degrees ! Estimated noise=0.167037 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00094204 Jy ! Component: 100 - total flux cleaned = 0.0013341 Jy ! Component: 150 - total flux cleaned = 0.00160472 Jy ! Component: 200 - total flux cleaned = 0.0017849 Jy ! Total flux subtracted in 200 components = 0.0017849 Jy ! Clean residual min=-0.000646 max=0.000627 Jy/beam ! Clean residual mean=-0.000001 rms=0.000178 Jy/beam ! Combined flux in latest and established models = 0.0563887 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 = 0.000112475 Jy ! Component: 100 - total flux cleaned = 0.000209826 Jy ! Component: 150 - total flux cleaned = 0.000277342 Jy ! Component: 200 - total flux cleaned = 0.000303687 Jy ! Total flux subtracted in 200 components = 0.000303687 Jy ! Clean residual min=-0.000659 max=0.000612 Jy/beam ! Clean residual mean=-0.000000 rms=0.000173 Jy/beam ! Combined flux in latest and established models = 0.0566924 Jy ! Adding 61 model components to the UV plane model. ! The established model now contains 97 components and 0.0566924 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8385 mas, bmaj=2.224 mas, bpa=-7.359 degrees ! Estimated noise=0.131573 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.11809e-05 Jy ! Component: 100 - total flux cleaned = 0.000119787 Jy ! Component: 150 - total flux cleaned = 0.000298428 Jy ! Component: 200 - total flux cleaned = 0.000418293 Jy ! Total flux subtracted in 200 components = 0.000418293 Jy ! Clean residual min=-0.000603 max=0.000619 Jy/beam ! Clean residual mean=-0.000000 rms=0.000151 Jy/beam ! Combined flux in latest and established models = 0.0571107 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 115 components and 0.0571107 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=0.060046Jy sigma=1.186407 ! Fit after self-cal, rms=0.060050Jy sigma=1.186285 wmodel J1956-1957_X_a_map.mod ! Writing 115 model components to file: J1956-1957_X_a_map.mod wobs J1956-1957_X_a_uvs.fits ! Writing UV FITS file: J1956-1957_X_a_uvs.fits wwins J1956-1957_X_a_map.win ! wwins: Wrote 6 windows to J1956-1957_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 = -3.04501e-05 Jy ! Component: 100 - total flux cleaned = -0.000103926 Jy ! Component: 150 - total flux cleaned = -0.000164564 Jy ! Component: 200 - total flux cleaned = -0.000203697 Jy ! Component: 250 - total flux cleaned = -0.000222971 Jy ! Component: 300 - total flux cleaned = -0.000241682 Jy ! Component: 350 - total flux cleaned = -0.000232389 Jy ! Component: 400 - total flux cleaned = -0.000214575 Jy ! Component: 450 - total flux cleaned = -0.000223258 Jy ! Component: 500 - total flux cleaned = -0.000231851 Jy ! Component: 550 - total flux cleaned = -0.000240391 Jy ! Component: 600 - total flux cleaned = -0.000232097 Jy ! Component: 650 - total flux cleaned = -0.000281687 Jy ! Component: 700 - total flux cleaned = -0.000257172 Jy ! Component: 750 - total flux cleaned = -0.00028937 Jy ! Component: 800 - total flux cleaned = -0.000265367 Jy ! Component: 850 - total flux cleaned = -0.000249597 Jy ! Component: 900 - total flux cleaned = -0.000210741 Jy ! Component: 950 - total flux cleaned = -0.000187672 Jy ! Component: 1000 - total flux cleaned = -0.000149626 Jy ! Component: 1050 - total flux cleaned = -0.000142039 Jy ! Component: 1100 - total flux cleaned = -0.000104674 Jy ! Component: 1150 - total flux cleaned = -5.30861e-05 Jy ! Component: 1200 - total flux cleaned = -6.05214e-05 Jy ! Component: 1250 - total flux cleaned = -6.04767e-05 Jy ! Component: 1300 - total flux cleaned = -4.60174e-05 Jy ! Component: 1350 - total flux cleaned = -3.29649e-06 Jy ! Component: 1400 - total flux cleaned = -1.73499e-05 Jy ! Component: 1450 - total flux cleaned = -1.72584e-05 Jy ! Component: 1500 - total flux cleaned = 1.07144e-05 Jy ! Component: 1550 - total flux cleaned = 1.06511e-05 Jy ! Component: 1600 - total flux cleaned = 5.18171e-05 Jy ! Component: 1650 - total flux cleaned = 5.1744e-05 Jy ! Component: 1700 - total flux cleaned = 7.8896e-05 Jy ! Component: 1750 - total flux cleaned = 5.87906e-05 Jy ! Component: 1800 - total flux cleaned = 5.88337e-05 Jy ! Component: 1850 - total flux cleaned = 7.2081e-05 Jy ! Component: 1900 - total flux cleaned = 8.52937e-05 Jy ! Component: 1950 - total flux cleaned = 9.83097e-05 Jy ! Component: 2000 - total flux cleaned = 0.00011124 Jy ! Component: 2050 - total flux cleaned = 9.18272e-05 Jy ! Component: 2100 - total flux cleaned = 9.8229e-05 Jy ! Component: 2150 - total flux cleaned = 0.000117315 Jy ! Component: 2200 - total flux cleaned = 0.000142598 Jy ! Component: 2250 - total flux cleaned = 0.000167686 Jy ! Component: 2300 - total flux cleaned = 0.000205135 Jy ! Component: 2350 - total flux cleaned = 0.000205044 Jy ! Component: 2400 - total flux cleaned = 0.000211223 Jy ! Component: 2450 - total flux cleaned = 0.000254172 Jy ! Component: 2500 - total flux cleaned = 0.000302946 Jy ! Component: 2550 - total flux cleaned = 0.000315058 Jy ! Component: 2600 - total flux cleaned = 0.000333115 Jy ! Component: 2650 - total flux cleaned = 0.000339164 Jy ! Component: 2700 - total flux cleaned = 0.000375027 Jy ! Component: 2750 - total flux cleaned = 0.000422561 Jy ! Component: 2800 - total flux cleaned = 0.000428469 Jy ! Component: 2850 - total flux cleaned = 0.000440263 Jy ! Component: 2900 - total flux cleaned = 0.000457788 Jy ! Component: 2950 - total flux cleaned = 0.000504322 Jy ! Component: 3000 - total flux cleaned = 0.000533199 Jy ! Component: 3050 - total flux cleaned = 0.000550433 Jy ! Component: 3100 - total flux cleaned = 0.000561895 Jy ! Component: 3150 - total flux cleaned = 0.000573288 Jy ! Component: 3200 - total flux cleaned = 0.000607331 Jy ! Component: 3250 - total flux cleaned = 0.00060732 Jy ! Component: 3300 - total flux cleaned = 0.000635396 Jy ! Component: 3350 - total flux cleaned = 0.000674474 Jy ! Component: 3400 - total flux cleaned = 0.000668938 Jy ! Component: 3450 - total flux cleaned = 0.000702169 Jy ! Component: 3500 - total flux cleaned = 0.0007242 Jy ! Component: 3550 - total flux cleaned = 0.000757083 Jy ! Component: 3600 - total flux cleaned = 0.000740708 Jy ! Component: 3650 - total flux cleaned = 0.000751579 Jy ! Component: 3700 - total flux cleaned = 0.00077861 Jy ! Component: 3750 - total flux cleaned = 0.000767845 Jy ! Component: 3800 - total flux cleaned = 0.00079464 Jy ! Component: 3850 - total flux cleaned = 0.000794649 Jy ! Component: 3900 - total flux cleaned = 0.000821258 Jy ! Component: 3950 - total flux cleaned = 0.000853003 Jy ! Component: 4000 - total flux cleaned = 0.000863548 Jy ! Component: 4050 - total flux cleaned = 0.000847784 Jy ! Total flux subtracted in 4096 components = 0.000863484 Jy ! Clean residual min=-0.000325 max=0.000309 Jy/beam ! Clean residual mean=-0.000000 rms=0.000092 Jy/beam ! Combined flux in latest and established models = 0.0579741 Jy keep ! Adding 301 model components to the UV plane model. ! The established model now contains 416 components and 0.0579742 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1956-1957_X_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8385 x 2.224 at -7.359 degrees (North through East) ! Clean map min=-0.00075295 max=0.039332 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1956-1957_X_a_map.fits wmodel /vlbi/uf001/uvm//J1956-1957_X_a_map.mod ! Writing 416 model components to file: /vlbi/uf001/uvm//J1956-1957_X_a_map.mod wobs /vlbi/uf001/uvm//J1956-1957_X_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1956-1957_X_a_uvs.fits wwins /vlbi/uf001/uvm//J1956-1957_X_a_map.win ! wwins: Wrote 7 windows to /vlbi/uf001/uvm//J1956-1957_X_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0393319 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 9.15428e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.698234 0.698234 1.39647 2.79294 5.58587 11.1717 22.3435 44.687 89.374 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.039 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 429.655 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1956-1957_X_a_dfm.log closed on Sun Jan 13 22:24:45 2019