! Started logfile: /vlbi/bp222/maps//J1802-3940_X_dfm.log on Thu Sep 27 11:28:56 2018 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /vlbi/bp222/maps//J1802-3940_X_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1802-3940_X_uvm.fits ! AN table 1: 32 integrations on 28 of 28 possible baselines. ! AN table 2: 16 integrations on 10 of 10 possible baselines. ! Apparent sampling: 0.746212 visibilities/baseline/integration-bin. ! Found source: J1802-3940 ! ! 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 9456 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 J1802-3940_X] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 50 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 50 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 50 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 50 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 50 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 50 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 50 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 50 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 9. ! A total of 50 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 10. ! A total of 50 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 11. ! A total of 50 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 12. ! A total of 50 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.418698Jy sigma=15.060497 ! Fit after self-cal, rms=0.223610Jy sigma=2.157063 ! 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=0.5845 mas, bmaj=1.731 mas, bpa=3.703 degrees ! Estimated noise=1.39094 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 = 0.744078 Jy ! Component: 100 - total flux cleaned = 0.910064 Jy ! Total flux subtracted in 100 components = 0.910064 Jy ! Clean residual min=-0.051694 max=0.085140 Jy/beam ! Clean residual mean=0.000126 rms=0.013031 Jy/beam ! Combined flux in latest and established models = 0.910064 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.910064 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=0.235543Jy sigma=2.500680 ! Fit after self-cal, rms=0.235538Jy sigma=2.500650 ! Inverting map ! Added new window around map position (-1.8, -3.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0838246 Jy ! Component: 100 - total flux cleaned = 0.137923 Jy ! Total flux subtracted in 100 components = 0.137923 Jy ! Clean residual min=-0.043712 max=0.073439 Jy/beam ! Clean residual mean=0.000069 rms=0.009799 Jy/beam ! Combined flux in latest and established models = 1.04799 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 15 components and 1.04799 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=0.193996Jy sigma=1.920062 ! Fit after self-cal, rms=0.191157Jy sigma=1.879504 ! 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=0.8736 mas, bmaj=2.295 mas, bpa=5.195 degrees ! Estimated noise=0.750258 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 = 0.0633639 Jy ! Component: 100 - total flux cleaned = 0.0976064 Jy ! Component: 150 - total flux cleaned = 0.116647 Jy ! Component: 200 - total flux cleaned = 0.127358 Jy ! Total flux subtracted in 200 components = 0.127358 Jy ! Clean residual min=-0.039224 max=0.061399 Jy/beam ! Clean residual mean=0.000003 rms=0.010791 Jy/beam ! Combined flux in latest and established models = 1.17534 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 30 components and 1.17534 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=0.177523Jy sigma=1.569194 ! Fit after self-cal, rms=0.176511Jy sigma=1.548282 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8736 x 2.295 at 5.195 degrees (North through East) ! Clean map min=-0.03859 max=0.9465 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 KP 0.97 LA 0.95 MK 1.01 ! NL 1.42 OV 0.95 PT 1.04 SC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.92 LA 0.93 NL 1.11 OV 0.92 ! PT 1.02 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 KP 0.98 LA 0.93 MK 1.00 ! NL 1.42 OV 0.96 PT 1.03 SC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.95 LA 0.93 NL 1.15 OV 0.92 ! PT 1.02 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 KP 0.97 LA 0.94 MK 1.00 ! NL 1.43 OV 0.96 PT 1.03 SC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.93 LA 0.95 NL 1.14 OV 0.93 ! PT 1.01 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 KP 0.98 LA 0.94 MK 1.00 ! NL 1.44 OV 0.97 PT 1.04 SC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.94 LA 0.95 NL 1.15 OV 0.90 ! PT 1.01 ! ! ! Correcting IF 5. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 KP 0.98 LA 0.93 MK 0.99 ! NL 1.39 OV 0.96 PT 1.04 SC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.95 LA 0.93 NL 1.14 OV 0.92 ! PT 1.03 ! ! ! Correcting IF 6. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 KP 0.99 LA 0.93 MK 0.97 ! NL 1.39 OV 0.95 PT 1.04 SC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.94 LA 0.93 NL 1.15 OV 0.91 ! PT 1.02 ! ! ! Correcting IF 7. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 KP 1.00 LA 0.92 MK 1.00 ! NL 1.43 OV 0.96 PT 1.02 SC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.95 LA 0.92 NL 1.13 OV 0.91 ! PT 1.04 ! ! ! Correcting IF 8. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 KP 0.97 LA 0.93 MK 0.98 ! NL 1.41 OV 0.96 PT 1.03 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.94 LA 0.96 NL 1.11 OV 0.93 ! PT 1.03 ! ! ! Correcting IF 9. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 KP 0.98 LA 0.93 MK 1.00 ! NL 1.39 OV 0.95 PT 1.04 SC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.93 LA 0.92 NL 1.16 OV 0.92 ! PT 1.04 ! ! ! Correcting IF 10. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 KP 0.98 LA 0.93 MK 0.98 ! NL 1.40 OV 0.96 PT 1.04 SC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.96 LA 0.94 NL 1.14 OV 0.92 ! PT 1.03 ! ! ! Correcting IF 11. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 KP 0.98 LA 0.93 MK 0.97 ! NL 1.38 OV 0.96 PT 1.03 SC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.93 LA 0.95 NL 1.10 OV 0.94 ! PT 1.06 ! ! ! Correcting IF 12. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 KP 0.99 LA 0.92 MK 0.96 ! NL 1.42 OV 0.96 PT 1.01 SC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.94 LA 0.96 NL 1.20 OV 0.90 ! PT 1.04 ! ! ! Fit before self-cal, rms=0.176511Jy sigma=1.548282 ! Fit after self-cal, rms=0.124781Jy sigma=0.965774 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8804 mas, bmaj=2.306 mas, bpa=5.63 degrees ! Estimated noise=0.760165 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 = -0.020683 Jy ! Component: 100 - total flux cleaned = -0.0211392 Jy ! Component: 150 - total flux cleaned = -0.0217829 Jy ! Component: 200 - total flux cleaned = -0.0226848 Jy ! Total flux subtracted in 200 components = -0.0226848 Jy ! Clean residual min=-0.017798 max=0.015614 Jy/beam ! Clean residual mean=-0.000009 rms=0.004040 Jy/beam ! Combined flux in latest and established models = 1.15266 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 45 components and 1.15266 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=0.118334Jy sigma=0.922040 ! Fit after self-cal, rms=0.117160Jy sigma=0.909056 ! 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=0.117160Jy sigma=0.909056 ! Fit after self-cal, rms=0.116510Jy sigma=0.895016 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8802 mas, bmaj=2.306 mas, bpa=5.659 degrees ! Estimated noise=0.759349 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.014261 Jy ! Component: 100 - total flux cleaned = -0.0142407 Jy ! Component: 150 - total flux cleaned = -0.0150468 Jy ! Component: 200 - total flux cleaned = -0.0158051 Jy ! Total flux subtracted in 200 components = -0.0158051 Jy ! Clean residual min=-0.014501 max=0.012513 Jy/beam ! Clean residual mean=0.000004 rms=0.003323 Jy/beam ! Combined flux in latest and established models = 1.13685 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 46 components and 1.13685 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=0.112913Jy sigma=0.871433 ! Fit after self-cal, rms=0.112103Jy sigma=0.864813 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 = -0.00503035 Jy ! Component: 100 - total flux cleaned = -0.00567599 Jy ! Component: 150 - total flux cleaned = -0.0062664 Jy ! Component: 200 - total flux cleaned = -0.00664541 Jy ! Total flux subtracted in 200 components = -0.00664541 Jy ! Clean residual min=-0.013848 max=0.013235 Jy/beam ! Clean residual mean=0.000013 rms=0.003117 Jy/beam ! Combined flux in latest and established models = 1.13021 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 49 components and 1.13021 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=0.110761Jy sigma=0.855634 ! Fit after self-cal, rms=0.110477Jy sigma=0.854074 ! Inverting map ! Added new window around map position (2, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00869804 Jy ! Component: 100 - total flux cleaned = 0.00755246 Jy ! Component: 150 - total flux cleaned = 0.00755623 Jy ! Component: 200 - total flux cleaned = 0.0073417 Jy ! Total flux subtracted in 200 components = 0.0073417 Jy ! Clean residual min=-0.012636 max=0.010951 Jy/beam ! Clean residual mean=0.000003 rms=0.002865 Jy/beam ! Combined flux in latest and established models = 1.13755 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 58 components and 1.13755 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=0.108191Jy sigma=0.836331 ! Fit after self-cal, rms=0.107885Jy sigma=0.832756 ! 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=0.107885Jy sigma=0.832756 ! Fit after self-cal, rms=0.105007Jy sigma=0.808508 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8793 mas, bmaj=2.304 mas, bpa=5.566 degrees ! Estimated noise=0.758241 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00811566 Jy ! Component: 100 - total flux cleaned = -0.00855543 Jy ! Component: 150 - total flux cleaned = -0.00892094 Jy ! Component: 200 - total flux cleaned = -0.00907839 Jy ! Total flux subtracted in 200 components = -0.00907839 Jy ! Clean residual min=-0.008684 max=0.008555 Jy/beam ! Clean residual mean=0.000015 rms=0.002075 Jy/beam ! Combined flux in latest and established models = 1.12847 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 69 components and 1.12847 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=0.103533Jy sigma=0.799595 ! Fit after self-cal, rms=0.103319Jy sigma=0.797030 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 = -0.000235449 Jy ! Component: 100 - total flux cleaned = -0.000559122 Jy ! Component: 150 - total flux cleaned = -0.000831362 Jy ! Component: 200 - total flux cleaned = -0.000834195 Jy ! Total flux subtracted in 200 components = -0.000834195 Jy ! Clean residual min=-0.007877 max=0.007778 Jy/beam ! Clean residual mean=0.000017 rms=0.001938 Jy/beam ! Combined flux in latest and established models = 1.12764 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 75 components and 1.12764 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=0.102626Jy sigma=0.792533 ! Fit after self-cal, rms=0.102507Jy sigma=0.790978 ! 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=0.102507Jy sigma=0.790978 ! Fit after self-cal, rms=0.102695Jy sigma=0.788796 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.68 mas, bmaj=9.694 mas, bpa=1.565 degrees ! Estimated noise=0.901352 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00442589 Jy ! Component: 100 - total flux cleaned = -0.00441839 Jy ! Component: 150 - total flux cleaned = -0.00470881 Jy ! Component: 200 - total flux cleaned = -0.00496067 Jy ! Total flux subtracted in 200 components = -0.00496067 Jy ! Clean residual min=-0.007610 max=0.006503 Jy/beam ! Clean residual mean=0.000026 rms=0.002200 Jy/beam ! Combined flux in latest and established models = 1.12268 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 77 components and 1.12268 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=0.102493Jy sigma=0.789502 ! Fit after self-cal, rms=0.102530Jy sigma=0.787318 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 = -0.000525309 Jy ! Component: 100 - total flux cleaned = -0.00052236 Jy ! Component: 150 - total flux cleaned = -0.000432508 Jy ! Component: 200 - total flux cleaned = -0.000353838 Jy ! Total flux subtracted in 200 components = -0.000353838 Jy ! Clean residual min=-0.007213 max=0.006184 Jy/beam ! Clean residual mean=0.000028 rms=0.002140 Jy/beam ! Combined flux in latest and established models = 1.12232 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 79 components and 1.12232 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=0.102487Jy sigma=0.788397 ! Fit after self-cal, rms=0.102493Jy sigma=0.787906 ! 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=0.8787 mas, bmaj=2.303 mas, bpa=5.511 degrees ! Estimated noise=0.757157 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8787 x 2.303 at 5.511 degrees (North through East) ! Clean map min=-0.014756 max=0.96665 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.102493Jy sigma=0.787906 ! Fit after self-cal, rms=0.095181Jy sigma=0.689900 ! Inverting map and beam ! Estimated beam: bmin=0.8793 mas, bmaj=2.303 mas, bpa=5.515 degrees ! Estimated noise=0.757776 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00358396 Jy ! Component: 100 - total flux cleaned = -0.00325976 Jy ! Component: 150 - total flux cleaned = -0.00340239 Jy ! Component: 200 - total flux cleaned = -0.00364226 Jy ! Total flux subtracted in 200 components = -0.00364226 Jy ! Clean residual min=-0.006566 max=0.006788 Jy/beam ! Clean residual mean=0.000019 rms=0.001619 Jy/beam ! Combined flux in latest and established models = 1.11868 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 88 components and 1.11868 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=0.094457Jy sigma=0.684542 ! Fit after self-cal, rms=0.094346Jy sigma=0.683681 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000665917 Jy ! Component: 100 - total flux cleaned = -0.000546727 Jy ! Component: 150 - total flux cleaned = -0.000642701 Jy ! Component: 200 - total flux cleaned = -0.000641756 Jy ! Total flux subtracted in 200 components = -0.000641756 Jy ! Clean residual min=-0.006325 max=0.006651 Jy/beam ! Clean residual mean=0.000020 rms=0.001556 Jy/beam ! Combined flux in latest and established models = 1.11804 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 91 components and 1.11804 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=0.094018Jy sigma=0.680987 ! Fit after self-cal, rms=0.093983Jy sigma=0.680547 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.093983Jy sigma=0.680547 ! Fit after self-cal, rms=0.094160Jy sigma=0.679067 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=0.5784 mas, bmaj=1.727 mas, bpa=3.8 degrees ! Estimated noise=1.45693 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.748335 Jy ! Component: 100 - total flux cleaned = 0.920874 Jy ! Component: 150 - total flux cleaned = 0.991053 Jy ! Component: 200 - total flux cleaned = 1.02856 Jy ! Total flux subtracted in 200 components = 1.02856 Jy ! Clean residual min=-0.013047 max=0.025020 Jy/beam ! Clean residual mean=0.000041 rms=0.003342 Jy/beam ! Combined flux in latest and established models = 1.02856 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 15 model components to the UV plane model. ! The established model now contains 15 components and 1.02856 Jy ! Inverting map and beam ! Estimated beam: bmin=0.878 mas, bmaj=2.301 mas, bpa=5.464 degrees ! Estimated noise=0.75673 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) ! Added new window around map position (-1, -1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0386846 Jy ! Component: 100 - total flux cleaned = 0.058948 Jy ! Component: 150 - total flux cleaned = 0.0706184 Jy ! Component: 200 - total flux cleaned = 0.0780174 Jy ! Total flux subtracted in 200 components = 0.0780174 Jy ! Clean residual min=-0.006121 max=0.006662 Jy/beam ! Clean residual mean=0.000029 rms=0.001577 Jy/beam ! Combined flux in latest and established models = 1.10657 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 50 components and 1.10657 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=2.686 mas, bmaj=9.711 mas, bpa=1.595 degrees ! Estimated noise=0.900768 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00684752 Jy ! Component: 100 - total flux cleaned = 0.0103082 Jy ! Component: 150 - total flux cleaned = 0.0109781 Jy ! Component: 200 - total flux cleaned = 0.0116269 Jy ! Total flux subtracted in 200 components = 0.0116269 Jy ! Clean residual min=-0.006482 max=0.006132 Jy/beam ! Clean residual mean=0.000029 rms=0.001841 Jy/beam ! Combined flux in latest and established models = 1.1182 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 = 0.000461517 Jy ! Component: 100 - total flux cleaned = 0.000787496 Jy ! Component: 150 - total flux cleaned = 0.00106924 Jy ! Component: 200 - total flux cleaned = 0.00131364 Jy ! Total flux subtracted in 200 components = 0.00131364 Jy ! Clean residual min=-0.006609 max=0.006082 Jy/beam ! Clean residual mean=0.000026 rms=0.001789 Jy/beam ! Combined flux in latest and established models = 1.11951 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 69 components and 1.11951 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.878 mas, bmaj=2.301 mas, bpa=5.464 degrees ! Estimated noise=0.75673 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000354815 Jy ! Component: 100 - total flux cleaned = -6.08785e-05 Jy ! Component: 150 - total flux cleaned = 0.000245354 Jy ! Component: 200 - total flux cleaned = 0.000372376 Jy ! Total flux subtracted in 200 components = 0.000372376 Jy ! Clean residual min=-0.005509 max=0.005349 Jy/beam ! Clean residual mean=0.000013 rms=0.001292 Jy/beam ! Combined flux in latest and established models = 1.11989 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 90 components and 1.11989 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=0.092693Jy sigma=0.669892 ! Fit after self-cal, rms=0.092433Jy sigma=0.666292 wmodel J1802-3940_X_map.mod ! Writing 90 model components to file: J1802-3940_X_map.mod wobs J1802-3940_X_uvs.fits ! Writing UV FITS file: J1802-3940_X_uvs.fits wwins J1802-3940_X_map.win ! wwins: Wrote 4 windows to J1802-3940_X_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00016861 Jy ! Component: 100 - total flux cleaned = -0.000995211 Jy ! Component: 150 - total flux cleaned = -0.0017617 Jy ! Component: 200 - total flux cleaned = -0.00222231 Jy ! Component: 250 - total flux cleaned = -0.0024726 Jy ! Component: 300 - total flux cleaned = -0.00288717 Jy ! Component: 350 - total flux cleaned = -0.00317012 Jy ! Component: 400 - total flux cleaned = -0.00338741 Jy ! Component: 450 - total flux cleaned = -0.00338847 Jy ! Component: 500 - total flux cleaned = -0.0034393 Jy ! Component: 550 - total flux cleaned = -0.00343824 Jy ! Component: 600 - total flux cleaned = -0.0034873 Jy ! Component: 650 - total flux cleaned = -0.00371765 Jy ! Component: 700 - total flux cleaned = -0.00389672 Jy ! Component: 750 - total flux cleaned = -0.00407077 Jy ! Component: 800 - total flux cleaned = -0.00428283 Jy ! Component: 850 - total flux cleaned = -0.00444776 Jy ! Component: 900 - total flux cleaned = -0.00456855 Jy ! Component: 950 - total flux cleaned = -0.00480278 Jy ! Component: 1000 - total flux cleaned = -0.00491722 Jy ! Component: 1050 - total flux cleaned = -0.00506544 Jy ! Component: 1100 - total flux cleaned = -0.00520925 Jy ! Component: 1150 - total flux cleaned = -0.00524375 Jy ! Component: 1200 - total flux cleaned = -0.00534681 Jy ! Component: 1250 - total flux cleaned = -0.00544724 Jy ! Component: 1300 - total flux cleaned = -0.0055126 Jy ! Component: 1350 - total flux cleaned = -0.00551279 Jy ! Component: 1400 - total flux cleaned = -0.00551303 Jy ! Component: 1450 - total flux cleaned = -0.00548164 Jy ! Component: 1500 - total flux cleaned = -0.00545146 Jy ! Component: 1550 - total flux cleaned = -0.00539153 Jy ! Component: 1600 - total flux cleaned = -0.00530413 Jy ! Component: 1650 - total flux cleaned = -0.00521886 Jy ! Component: 1700 - total flux cleaned = -0.00521949 Jy ! Component: 1750 - total flux cleaned = -0.00519187 Jy ! Component: 1800 - total flux cleaned = -0.00513704 Jy ! Component: 1850 - total flux cleaned = -0.00500377 Jy ! Component: 1900 - total flux cleaned = -0.00497763 Jy ! Component: 1950 - total flux cleaned = -0.00492629 Jy ! Component: 2000 - total flux cleaned = -0.00497674 Jy ! Component: 2050 - total flux cleaned = -0.00495167 Jy ! Component: 2100 - total flux cleaned = -0.00490275 Jy ! Component: 2150 - total flux cleaned = -0.00485489 Jy ! Component: 2200 - total flux cleaned = -0.00473641 Jy ! Component: 2250 - total flux cleaned = -0.0046663 Jy ! Component: 2300 - total flux cleaned = -0.00464284 Jy ! Component: 2350 - total flux cleaned = -0.00457451 Jy ! Component: 2400 - total flux cleaned = -0.00450697 Jy ! Component: 2450 - total flux cleaned = -0.00448476 Jy ! Component: 2500 - total flux cleaned = -0.00452863 Jy ! Component: 2550 - total flux cleaned = -0.00452831 Jy ! Component: 2600 - total flux cleaned = -0.00446422 Jy ! Component: 2650 - total flux cleaned = -0.00454852 Jy ! Component: 2700 - total flux cleaned = -0.00454818 Jy ! Component: 2750 - total flux cleaned = -0.00458893 Jy ! Component: 2800 - total flux cleaned = -0.00460918 Jy ! Component: 2850 - total flux cleaned = -0.00464907 Jy ! Component: 2900 - total flux cleaned = -0.0046297 Jy ! Component: 2950 - total flux cleaned = -0.00464945 Jy ! Component: 3000 - total flux cleaned = -0.0046304 Jy ! Component: 3050 - total flux cleaned = -0.00466896 Jy ! Component: 3100 - total flux cleaned = -0.0046689 Jy ! Component: 3150 - total flux cleaned = -0.00466871 Jy ! Component: 3200 - total flux cleaned = -0.00463139 Jy ! Component: 3250 - total flux cleaned = -0.00465011 Jy ! Component: 3300 - total flux cleaned = -0.00461325 Jy ! Component: 3350 - total flux cleaned = -0.00461325 Jy ! Component: 3400 - total flux cleaned = -0.00454092 Jy ! Component: 3450 - total flux cleaned = -0.00454094 Jy ! Component: 3500 - total flux cleaned = -0.00455851 Jy ! Component: 3550 - total flux cleaned = -0.00445259 Jy ! Component: 3600 - total flux cleaned = -0.00440015 Jy ! Component: 3650 - total flux cleaned = -0.00436545 Jy ! Component: 3700 - total flux cleaned = -0.00429628 Jy ! Component: 3750 - total flux cleaned = -0.00424489 Jy ! Component: 3800 - total flux cleaned = -0.00422771 Jy ! Component: 3850 - total flux cleaned = -0.00409221 Jy ! Component: 3900 - total flux cleaned = -0.00407545 Jy ! Component: 3950 - total flux cleaned = -0.00400832 Jy ! Component: 4000 - total flux cleaned = -0.00395835 Jy ! Component: 4050 - total flux cleaned = -0.00390872 Jy ! Total flux subtracted in 4096 components = -0.00385932 Jy ! Clean residual min=-0.001150 max=0.000940 Jy/beam ! Clean residual mean=0.000000 rms=0.000295 Jy/beam ! Combined flux in latest and established models = 1.11603 Jy keep ! Adding 309 model components to the UV plane model. ! The established model now contains 399 components and 1.11603 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1802-3940_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.878 x 2.301 at 5.464 degrees (North through East) ! Clean map min=-0.0030849 max=0.97268 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1802-3940_X_map.fits wmodel /vlbi/bp222/maps//J1802-3940_X_map.mod ! Writing 399 model components to file: /vlbi/bp222/maps//J1802-3940_X_map.mod wobs /vlbi/bp222/maps//J1802-3940_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1802-3940_X_uvs.fits wwins /vlbi/bp222/maps//J1802-3940_X_map.win ! wwins: Wrote 5 windows to /vlbi/bp222/maps//J1802-3940_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.97268 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00028856 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0889996 0.0889996 0.177999 0.355998 0.711997 1.42399 2.84799 5.69597 11.3919 22.7839 45.5678 91.1356 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.972 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 3370.8 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1802-3940_X_dfm.log closed on Thu Sep 27 11:29:01 2018