! Started logfile: /vlbi/uf001/uvm//J1956+1856_X_a_dfm.log on Sun Jan 13 22:24:24 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+1856_X_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1956+1856_X_a_uvm.fits ! AN table 1: 132 integrations on 28 of 28 possible baselines. ! AN table 2: 49 integrations on 15 of 15 possible baselines. ! AN table 3: 49 integrations on 15 of 15 possible baselines. ! Apparent sampling: 0.940379 visibilities/baseline/integration-bin. ! Found source: J1956+1856 ! ! 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 58296 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+1856_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 44 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 44 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 44 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 44 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 5. ! A total of 44 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 6. ! A total of 44 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 7. ! A total of 44 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 8. ! A total of 44 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 9. ! A total of 44 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 10. ! A total of 44 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 11. ! A total of 44 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 12. ! A total of 44 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.002618Jy sigma=23.260302 ! Fit after self-cal, rms=0.972265Jy sigma=22.627855 ! 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=1.598 mas, bmaj=2.405 mas, bpa=-23.82 degrees ! Estimated noise=0.369448 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 = 0.0208079 Jy ! Component: 100 - total flux cleaned = 0.025551 Jy ! Total flux subtracted in 100 components = 0.025551 Jy ! Clean residual min=-0.002235 max=0.002305 Jy/beam ! Clean residual mean=0.000005 rms=0.000571 Jy/beam ! Combined flux in latest and established models = 0.025551 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.025551 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=0.065927Jy sigma=1.086820 ! Fit after self-cal, rms=0.064681Jy sigma=1.048694 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00426324 Jy ! Component: 100 - total flux cleaned = 0.00622678 Jy ! Total flux subtracted in 100 components = 0.00622678 Jy ! Clean residual min=-0.002110 max=0.001930 Jy/beam ! Clean residual mean=0.000003 rms=0.000496 Jy/beam ! Combined flux in latest and established models = 0.0317778 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 9 components and 0.0317778 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=0.064193Jy sigma=1.042047 ! Fit after self-cal, rms=0.064160Jy sigma=1.041646 ! 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=1.939 mas, bmaj=2.7 mas, bpa=-24.61 degrees ! Estimated noise=0.131787 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 (-0.8, -3.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00225777 Jy ! Component: 100 - total flux cleaned = 0.00326943 Jy ! Component: 150 - total flux cleaned = 0.00363914 Jy ! Component: 200 - total flux cleaned = 0.00393993 Jy ! Total flux subtracted in 200 components = 0.00393993 Jy ! Clean residual min=-0.001324 max=0.001607 Jy/beam ! Clean residual mean=0.000000 rms=0.000314 Jy/beam ! Combined flux in latest and established models = 0.0357178 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 40 components and 0.0357178 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=0.063991Jy sigma=1.039385 ! Fit after self-cal, rms=0.063904Jy sigma=1.038251 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.939 x 2.7 at -24.61 degrees (North through East) ! Clean map min=-0.0012691 max=0.030295 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.18 FD 1.12 HN 0.98 KP 0.97 ! LA 1.04 NL 1.27 OV 0.98 PT 0.89 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.00 KP 1.02 LA 1.12 ! NL 1.20 PT 0.95 ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.20 HN 0.83 KP 0.95 LA 0.97 ! NL 1.19 PT 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 1.00 HN 0.99 KP 1.03 ! LA 1.05 NL 1.22 OV 1.01 PT 0.97 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.95 KP 1.07 LA 1.02 ! NL 1.24 PT 1.01 ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.10 HN 0.82 KP 0.99 LA 1.19 ! NL 1.21 PT 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.11 HN 0.96 KP 1.03 ! LA 1.00 NL 1.17 OV 1.01 PT 1.04 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.97 KP 1.03 LA 0.96 ! NL 1.15 PT 1.07 ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.06 HN 0.76 KP 1.14 LA 1.00 ! NL 1.35 PT 0.91 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 1.03 HN 0.88 KP 1.09 ! LA 1.04 NL 1.15 OV 1.03 PT 0.97 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.99 KP 0.96 LA 1.11 ! NL 1.22 PT 0.94 ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.07 HN 0.79 KP 1.13 LA 0.96 ! NL 1.14 PT 1.14 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.11 HN 0.91 KP 1.06 ! LA 1.09 NL 1.22 OV 0.95 PT 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.91 FD 0.98 KP 1.13 LA 0.96 ! NL 1.27 PT 0.98 ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.04 HN 0.81 KP 1.22 LA 1.00 ! NL 1.16 PT 0.93 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.08 HN 0.94 KP 1.01 ! LA 1.01 NL 1.17 OV 1.02 PT 0.88 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.91 FD 1.07 KP 1.01 LA 1.00 ! NL 1.18 PT 1.06 ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.04 HN 0.78 KP 1.07 LA 0.98 ! NL 1.05 PT 0.92 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.08 HN 0.87 KP 0.99 ! LA 1.05 NL 1.09 OV 0.94 PT 0.92 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.03 KP 1.10 LA 0.96 ! NL 1.08 PT 1.04 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.96 HN 0.80 KP 0.88 LA 1.02 ! NL 1.10 PT 1.04 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 HN 0.89 KP 1.02 ! LA 1.04 NL 1.17 OV 1.02 PT 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.83 KP 1.02 LA 1.15 ! NL 1.12 PT 0.94 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.90 HN 0.80 KP 1.12 LA 0.89 ! NL 1.14 PT 0.99 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.96 HN 0.89 KP 1.00 ! LA 1.00 NL 1.16 OV 0.91 PT 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.85 FD 0.95 KP 1.12 LA 0.96 ! NL 1.14 PT 0.89 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.91 HN 0.88 KP 1.00 LA 0.84 ! NL 1.24 PT 1.08 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.96 HN 0.87 KP 1.01 ! LA 0.97 NL 1.13 OV 0.97 PT 0.92 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.83 FD 0.99 KP 0.96 LA 1.03 ! NL 1.14 PT 0.95 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.98 HN 0.69 KP 1.09 LA 0.91 ! NL 1.12 PT 0.90 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.86 FD 1.04 HN 0.90 KP 0.91 ! LA 0.94 NL 1.13 OV 1.01 PT 0.89 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.82 FD 0.92 KP 1.06 LA 0.97 ! NL 1.14 PT 0.87 ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.06 HN 0.72 KP 0.93 LA 0.95 ! NL 1.10 PT 0.89 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.95 HN 0.80 KP 0.89 ! LA 0.98 NL 1.06 OV 0.96 PT 0.83 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.91 FD 0.84 KP 0.92 LA 0.97 ! NL 1.06 PT 0.88 ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.00 HN 0.73 KP 1.07 LA 0.98 ! NL 1.05 PT 0.76 ! ! ! Fit before self-cal, rms=0.063904Jy sigma=1.038251 ! Fit after self-cal, rms=0.063387Jy sigma=1.033460 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.913 mas, bmaj=2.679 mas, bpa=-26.22 degrees ! Estimated noise=0.132836 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 = 0.000649175 Jy ! Component: 100 - total flux cleaned = 0.00106936 Jy ! Component: 150 - total flux cleaned = 0.00125347 Jy ! Component: 200 - total flux cleaned = 0.0013899 Jy ! Total flux subtracted in 200 components = 0.0013899 Jy ! Clean residual min=-0.001089 max=0.001008 Jy/beam ! Clean residual mean=0.000000 rms=0.000270 Jy/beam ! Combined flux in latest and established models = 0.0371077 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 68 components and 0.0371077 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=0.063349Jy sigma=1.033457 ! Fit after self-cal, rms=0.063348Jy sigma=1.031817 ! 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=0.063348Jy sigma=1.031817 ! Fit after self-cal, rms=0.051849Jy sigma=1.028645 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.908 mas, bmaj=2.681 mas, bpa=-26.61 degrees ! Estimated noise=0.132674 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000166123 Jy ! Component: 100 - total flux cleaned = 0.000243021 Jy ! Component: 150 - total flux cleaned = 0.000299586 Jy ! Component: 200 - total flux cleaned = 0.000349485 Jy ! Total flux subtracted in 200 components = 0.000349485 Jy ! Clean residual min=-0.000693 max=0.000645 Jy/beam ! Clean residual mean=-0.000000 rms=0.000184 Jy/beam ! Combined flux in latest and established models = 0.0374571 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 81 components and 0.0374571 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=0.051842Jy sigma=1.028583 ! Fit after self-cal, rms=0.051775Jy sigma=1.027627 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 = 0.000155316 Jy ! Component: 100 - total flux cleaned = 0.000250702 Jy ! Component: 150 - total flux cleaned = 0.000286826 Jy ! Component: 200 - total flux cleaned = 0.000303082 Jy ! Total flux subtracted in 200 components = 0.000303082 Jy ! Clean residual min=-0.000684 max=0.000677 Jy/beam ! Clean residual mean=-0.000001 rms=0.000188 Jy/beam ! Combined flux in latest and established models = 0.0377602 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 90 components and 0.0377602 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=0.051769Jy sigma=1.027586 ! Fit after self-cal, rms=0.051767Jy sigma=1.027521 ! 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=0.051767Jy sigma=1.027521 ! Fit after self-cal, rms=0.048923Jy sigma=1.025966 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.897 mas, bmaj=2.682 mas, bpa=-26.46 degrees ! Estimated noise=0.131677 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.23537e-07 Jy ! Component: 100 - total flux cleaned = -1.02616e-07 Jy ! Component: 150 - total flux cleaned = -4.48195e-07 Jy ! Component: 200 - total flux cleaned = -7.93632e-08 Jy ! Total flux subtracted in 200 components = -7.93632e-08 Jy ! Clean residual min=-0.000545 max=0.000603 Jy/beam ! Clean residual mean=-0.000001 rms=0.000129 Jy/beam ! Combined flux in latest and established models = 0.0377602 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 118 components and 0.0377602 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=0.048921Jy sigma=1.025936 ! Fit after self-cal, rms=0.048886Jy sigma=1.025424 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 (-36.6, 29). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000460195 Jy ! Component: 100 - total flux cleaned = 0.000540714 Jy ! Component: 150 - total flux cleaned = 0.000573869 Jy ! Component: 200 - total flux cleaned = 0.000595611 Jy ! Total flux subtracted in 200 components = 0.000595611 Jy ! Clean residual min=-0.000533 max=0.000518 Jy/beam ! Clean residual mean=-0.000001 rms=0.000124 Jy/beam ! Combined flux in latest and established models = 0.0383558 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 137 components and 0.0383558 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=0.048879Jy sigma=1.025291 ! Fit after self-cal, rms=0.048877Jy sigma=1.025174 ! 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=0.048877Jy sigma=1.025174 ! Fit after self-cal, rms=0.048606Jy sigma=1.025037 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.541 mas, bmaj=3.063 mas, bpa=-38.25 degrees ! Estimated noise=0.141276 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000208543 Jy ! Component: 100 - total flux cleaned = 0.000186262 Jy ! Component: 150 - total flux cleaned = 0.000173041 Jy ! Component: 200 - total flux cleaned = 0.000161449 Jy ! Total flux subtracted in 200 components = 0.000161449 Jy ! Clean residual min=-0.000548 max=0.000435 Jy/beam ! Clean residual mean=-0.000002 rms=0.000123 Jy/beam ! Combined flux in latest and established models = 0.0385172 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 145 components and 0.0385172 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=0.048602Jy sigma=1.024975 ! Fit after self-cal, rms=0.048601Jy sigma=1.024833 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 = 0.000164637 Jy ! Component: 100 - total flux cleaned = 0.000171195 Jy ! Component: 150 - total flux cleaned = 0.000148917 Jy ! Component: 200 - total flux cleaned = 0.000134044 Jy ! Total flux subtracted in 200 components = 0.000134044 Jy ! Clean residual min=-0.000544 max=0.000448 Jy/beam ! Clean residual mean=-0.000001 rms=0.000123 Jy/beam ! Combined flux in latest and established models = 0.0386513 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 152 components and 0.0386513 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=0.048599Jy sigma=1.024790 ! Fit after self-cal, rms=0.048599Jy sigma=1.024761 ! 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=1.896 mas, bmaj=2.68 mas, bpa=-26.42 degrees ! Estimated noise=0.131066 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.896 x 2.68 at -26.42 degrees (North through East) ! Clean map min=-0.00089199 max=0.029977 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=1.552 mas, bmaj=2.397 mas, bpa=-25.65 degrees ! Estimated noise=0.36188 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.022915 Jy ! Component: 100 - total flux cleaned = 0.0283208 Jy ! Component: 150 - total flux cleaned = 0.0308774 Jy ! Component: 200 - total flux cleaned = 0.0326243 Jy ! Total flux subtracted in 200 components = 0.0326243 Jy ! Clean residual min=-0.001536 max=0.001475 Jy/beam ! Clean residual mean=0.000002 rms=0.000372 Jy/beam ! Combined flux in latest and established models = 0.0326242 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.0326242 Jy ! Inverting map and beam ! Estimated beam: bmin=1.896 mas, bmaj=2.68 mas, bpa=-26.42 degrees ! Estimated noise=0.131066 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 = 0.00193043 Jy ! Component: 100 - total flux cleaned = 0.00308245 Jy ! Component: 150 - total flux cleaned = 0.00361706 Jy ! Component: 200 - total flux cleaned = 0.00404673 Jy ! Total flux subtracted in 200 components = 0.00404673 Jy ! Clean residual min=-0.000667 max=0.000587 Jy/beam ! Clean residual mean=-0.000001 rms=0.000154 Jy/beam ! Combined flux in latest and established models = 0.036671 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 53 components and 0.036671 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=2.541 mas, bmaj=3.063 mas, bpa=-38.25 degrees ! Estimated noise=0.141276 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000599485 Jy ! Component: 100 - total flux cleaned = 0.000927907 Jy ! Component: 150 - total flux cleaned = 0.00112993 Jy ! Component: 200 - total flux cleaned = 0.00124928 Jy ! Total flux subtracted in 200 components = 0.00124928 Jy ! Clean residual min=-0.000569 max=0.000485 Jy/beam ! Clean residual mean=-0.000002 rms=0.000137 Jy/beam ! Combined flux in latest and established models = 0.0379202 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 = 9.41506e-05 Jy ! Component: 100 - total flux cleaned = 0.00019141 Jy ! Component: 150 - total flux cleaned = 0.000267995 Jy ! Component: 200 - total flux cleaned = 0.000337612 Jy ! Total flux subtracted in 200 components = 0.000337612 Jy ! Clean residual min=-0.000555 max=0.000478 Jy/beam ! Clean residual mean=-0.000002 rms=0.000129 Jy/beam ! Combined flux in latest and established models = 0.0382579 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 75 components and 0.0382579 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.896 mas, bmaj=2.68 mas, bpa=-26.42 degrees ! Estimated noise=0.131066 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.80648e-06 Jy ! Component: 100 - total flux cleaned = 2.56162e-05 Jy ! Component: 150 - total flux cleaned = 7.6283e-05 Jy ! Component: 200 - total flux cleaned = 0.000114155 Jy ! Total flux subtracted in 200 components = 0.000114155 Jy ! Clean residual min=-0.000543 max=0.000538 Jy/beam ! Clean residual mean=-0.000001 rms=0.000125 Jy/beam ! Combined flux in latest and established models = 0.038372 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 91 components and 0.038372 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=0.048603Jy sigma=1.024885 ! Fit after self-cal, rms=0.048593Jy sigma=1.024782 wmodel J1956+1856_X_a_map.mod ! Writing 91 model components to file: J1956+1856_X_a_map.mod wobs J1956+1856_X_a_uvs.fits ! Writing UV FITS file: J1956+1856_X_a_uvs.fits wwins J1956+1856_X_a_map.win ! wwins: Wrote 3 windows to J1956+1856_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 = -0.000102388 Jy ! Component: 100 - total flux cleaned = -0.000146234 Jy ! Component: 150 - total flux cleaned = -0.000154031 Jy ! Component: 200 - total flux cleaned = -0.000217269 Jy ! Component: 250 - total flux cleaned = -0.000270136 Jy ! Component: 300 - total flux cleaned = -0.000314117 Jy ! Component: 350 - total flux cleaned = -0.000357143 Jy ! Component: 400 - total flux cleaned = -0.000399045 Jy ! Component: 450 - total flux cleaned = -0.000439775 Jy ! Component: 500 - total flux cleaned = -0.000466325 Jy ! Component: 550 - total flux cleaned = -0.000485714 Jy ! Component: 600 - total flux cleaned = -0.000492057 Jy ! Component: 650 - total flux cleaned = -0.000517163 Jy ! Component: 700 - total flux cleaned = -0.00054165 Jy ! Component: 750 - total flux cleaned = -0.000559709 Jy ! Component: 800 - total flux cleaned = -0.000589346 Jy ! Component: 850 - total flux cleaned = -0.000583539 Jy ! Component: 900 - total flux cleaned = -0.000617927 Jy ! Component: 950 - total flux cleaned = -0.000634772 Jy ! Component: 1000 - total flux cleaned = -0.00063465 Jy ! Component: 1050 - total flux cleaned = -0.000645705 Jy ! Component: 1100 - total flux cleaned = -0.000672787 Jy ! Component: 1150 - total flux cleaned = -0.000672748 Jy ! Component: 1200 - total flux cleaned = -0.00069385 Jy ! Component: 1250 - total flux cleaned = -0.000699018 Jy ! Component: 1300 - total flux cleaned = -0.000704201 Jy ! Component: 1350 - total flux cleaned = -0.000704258 Jy ! Component: 1400 - total flux cleaned = -0.000704335 Jy ! Component: 1450 - total flux cleaned = -0.000699329 Jy ! Component: 1500 - total flux cleaned = -0.000684444 Jy ! Component: 1550 - total flux cleaned = -0.000650357 Jy ! Component: 1600 - total flux cleaned = -0.000645562 Jy ! Component: 1650 - total flux cleaned = -0.000655167 Jy ! Component: 1700 - total flux cleaned = -0.000645692 Jy ! Component: 1750 - total flux cleaned = -0.000626894 Jy ! Component: 1800 - total flux cleaned = -0.000626927 Jy ! Component: 1850 - total flux cleaned = -0.000631388 Jy ! Component: 1900 - total flux cleaned = -0.000603977 Jy ! Component: 1950 - total flux cleaned = -0.000603977 Jy ! Component: 2000 - total flux cleaned = -0.000599514 Jy ! Component: 2050 - total flux cleaned = -0.000590585 Jy ! Component: 2100 - total flux cleaned = -0.000586169 Jy ! Component: 2150 - total flux cleaned = -0.000564276 Jy ! Component: 2200 - total flux cleaned = -0.00056426 Jy ! Component: 2250 - total flux cleaned = -0.000547026 Jy ! Component: 2300 - total flux cleaned = -0.000538525 Jy ! Component: 2350 - total flux cleaned = -0.000542761 Jy ! Component: 2400 - total flux cleaned = -0.000521772 Jy ! Component: 2450 - total flux cleaned = -0.000525944 Jy ! Component: 2500 - total flux cleaned = -0.000521791 Jy ! Component: 2550 - total flux cleaned = -0.000509463 Jy ! Component: 2600 - total flux cleaned = -0.000513539 Jy ! Component: 2650 - total flux cleaned = -0.000505488 Jy ! Component: 2700 - total flux cleaned = -0.000505501 Jy ! Component: 2750 - total flux cleaned = -0.000509489 Jy ! Component: 2800 - total flux cleaned = -0.000505597 Jy ! Component: 2850 - total flux cleaned = -0.000501698 Jy ! Component: 2900 - total flux cleaned = -0.000497775 Jy ! Component: 2950 - total flux cleaned = -0.000490026 Jy ! Component: 3000 - total flux cleaned = -0.000509303 Jy ! Component: 3050 - total flux cleaned = -0.000490158 Jy ! Component: 3100 - total flux cleaned = -0.000482588 Jy ! Component: 3150 - total flux cleaned = -0.000490161 Jy ! Component: 3200 - total flux cleaned = -0.000478905 Jy ! Component: 3250 - total flux cleaned = -0.00047891 Jy ! Component: 3300 - total flux cleaned = -0.000475208 Jy ! Component: 3350 - total flux cleaned = -0.000471537 Jy ! Component: 3400 - total flux cleaned = -0.000486127 Jy ! Component: 3450 - total flux cleaned = -0.000482425 Jy ! Component: 3500 - total flux cleaned = -0.000460737 Jy ! Component: 3550 - total flux cleaned = -0.000457177 Jy ! Component: 3600 - total flux cleaned = -0.00047143 Jy ! Component: 3650 - total flux cleaned = -0.000446595 Jy ! Component: 3700 - total flux cleaned = -0.000453653 Jy ! Component: 3750 - total flux cleaned = -0.000467695 Jy ! Component: 3800 - total flux cleaned = -0.000457251 Jy ! Component: 3850 - total flux cleaned = -0.000453786 Jy ! Component: 3900 - total flux cleaned = -0.000464115 Jy ! Component: 3950 - total flux cleaned = -0.000467544 Jy ! Component: 4000 - total flux cleaned = -0.00047096 Jy ! Component: 4050 - total flux cleaned = -0.000464177 Jy ! Total flux subtracted in 4096 components = -0.000477658 Jy ! Clean residual min=-0.000190 max=0.000172 Jy/beam ! Clean residual mean=-0.000000 rms=0.000064 Jy/beam ! Combined flux in latest and established models = 0.0378943 Jy keep ! Adding 292 model components to the UV plane model. ! The established model now contains 383 components and 0.0378944 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1956+1856_X_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.896 x 2.68 at -26.42 degrees (North through East) ! Clean map min=-0.00080197 max=0.030013 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1956+1856_X_a_map.fits wmodel /vlbi/uf001/uvm//J1956+1856_X_a_map.mod ! Writing 383 model components to file: /vlbi/uf001/uvm//J1956+1856_X_a_map.mod wobs /vlbi/uf001/uvm//J1956+1856_X_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1956+1856_X_a_uvs.fits wwins /vlbi/uf001/uvm//J1956+1856_X_a_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uvm//J1956+1856_X_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0300128 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 6.30972e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.630703 0.630703 1.26141 2.52281 5.04563 10.0913 20.1825 40.365 80.73 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.03 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 475.659 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1956+1856_X_a_dfm.log closed on Sun Jan 13 22:24:31 2019