! Started logfile: /vlbi/bp222/maps//J2218+1520_X_dfm.log on Thu Sep 27 11:41:14 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//J2218+1520_X_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J2218+1520_X_uvm.fits ! AN table 1: 32 integrations on 45 of 45 possible baselines. ! AN table 2: 32 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.864298 visibilities/baseline/integration-bin. ! Found source: J2218+1520 ! ! 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 24228 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 J2218+1520_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 30 telescope corrections were flagged in sub-array 1. ! A total of 28 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! A total of 28 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! A total of 28 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 30 telescope corrections were flagged in sub-array 1. ! A total of 28 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 30 telescope corrections were flagged in sub-array 1. ! A total of 28 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 30 telescope corrections were flagged in sub-array 1. ! A total of 28 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 30 telescope corrections were flagged in sub-array 1. ! A total of 28 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 30 telescope corrections were flagged in sub-array 1. ! A total of 28 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 9. ! A total of 30 telescope corrections were flagged in sub-array 1. ! A total of 28 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 10. ! A total of 30 telescope corrections were flagged in sub-array 1. ! A total of 28 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 11. ! A total of 30 telescope corrections were flagged in sub-array 1. ! A total of 28 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 12. ! A total of 30 telescope corrections were flagged in sub-array 1. ! A total of 28 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.315518Jy sigma=19.816749 ! Fit after self-cal, rms=0.152934Jy sigma=2.222330 ! 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=0.6921 mas, bmaj=2.046 mas, bpa=-10.42 degrees ! Estimated noise=0.531717 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 = 0.671356 Jy ! Component: 100 - total flux cleaned = 0.818995 Jy ! Total flux subtracted in 100 components = 0.818995 Jy ! Clean residual min=-0.016189 max=0.046911 Jy/beam ! Clean residual mean=-0.000009 rms=0.003258 Jy/beam ! Combined flux in latest and established models = 0.818995 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.818995 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=0.094872Jy sigma=1.405474 ! Fit after self-cal, rms=0.094866Jy sigma=1.405138 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0475886 Jy ! Component: 100 - total flux cleaned = 0.0698434 Jy ! Total flux subtracted in 100 components = 0.0698434 Jy ! Clean residual min=-0.012179 max=0.010445 Jy/beam ! Clean residual mean=-0.000000 rms=0.001676 Jy/beam ! Combined flux in latest and established models = 0.888839 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 11 components and 0.888839 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=0.068877Jy sigma=0.991421 ! Fit after self-cal, rms=0.068821Jy sigma=0.990747 ! 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=0.8873 mas, bmaj=2.275 mas, bpa=-9.043 degrees ! Estimated noise=0.319733 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 = 0.008058 Jy ! Component: 100 - total flux cleaned = 0.00802494 Jy ! Component: 150 - total flux cleaned = 0.00838156 Jy ! Component: 200 - total flux cleaned = 0.00880661 Jy ! Total flux subtracted in 200 components = 0.00880661 Jy ! Clean residual min=-0.010776 max=0.007801 Jy/beam ! Clean residual mean=0.000005 rms=0.001766 Jy/beam ! Combined flux in latest and established models = 0.897645 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 27 components and 0.897645 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=0.066974Jy sigma=0.965930 ! Fit after self-cal, rms=0.066925Jy sigma=0.965549 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8873 x 2.275 at -9.043 degrees (North through East) ! Clean map min=-0.0099879 max=0.86901 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.03 HN 1.03 KP 1.03 ! LA 1.00 MK 1.00 NL 0.93 OV 1.02 ! PT 1.02 SC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.97 HN 0.99 LA 0.95 ! MK 1.01 NL 0.96 OV 0.99 PT 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 HN 1.00 KP 1.04 ! LA 0.99 MK 1.01 NL 0.94 OV 1.02 ! PT 1.03 SC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.99 HN 0.97 LA 0.96 ! MK 0.99 NL 0.98 OV 0.99 PT 1.02 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 HN 1.01 KP 1.03 ! LA 1.00 MK 1.02 NL 0.93 OV 1.02 ! PT 1.02 SC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.98 HN 0.97 LA 0.96 ! MK 0.99 NL 0.97 OV 1.00 PT 1.02 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.01 HN 1.01 KP 1.05 ! LA 1.00 MK 1.01 NL 0.95 OV 1.02 ! PT 1.02 SC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.99 HN 0.97 LA 0.96 ! MK 1.02 NL 0.99 OV 0.99 PT 1.03 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.02 HN 1.02 KP 1.05 ! LA 0.99 MK 1.01 NL 0.93 OV 1.02 ! PT 1.03 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.99 HN 0.98 LA 0.97 ! MK 0.99 NL 0.98 OV 1.00 PT 1.03 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 HN 1.03 KP 1.04 ! LA 0.99 MK 0.99 NL 0.93 OV 1.01 ! PT 1.03 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.01 HN 0.98 LA 0.95 ! MK 1.00 NL 0.97 OV 0.99 PT 1.03 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.02 HN 1.02 KP 1.05 ! LA 0.99 MK 1.02 NL 0.94 OV 1.01 ! PT 1.01 SC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.98 HN 0.98 LA 0.96 ! MK 1.03 NL 0.98 OV 0.99 PT 1.02 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 HN 0.99 KP 1.03 ! LA 1.00 MK 1.00 NL 0.94 OV 1.01 ! PT 1.02 SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.00 HN 0.97 LA 0.99 ! MK 1.00 NL 0.97 OV 1.00 PT 1.02 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.02 HN 1.02 KP 1.04 ! LA 0.99 MK 1.02 NL 0.93 OV 1.02 ! PT 1.04 SC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.98 HN 0.96 LA 0.96 ! MK 1.00 NL 0.98 OV 0.99 PT 1.03 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.02 HN 1.03 KP 1.03 ! LA 0.99 MK 1.02 NL 0.94 OV 1.02 ! PT 1.03 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 1.01 HN 0.97 LA 0.97 ! MK 0.99 NL 0.98 OV 0.99 PT 1.02 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.01 HN 1.00 KP 1.04 ! LA 0.99 MK 1.00 NL 0.93 OV 1.02 ! PT 1.03 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.99 HN 0.98 LA 0.98 ! MK 1.02 NL 0.97 OV 0.99 PT 1.03 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 HN 1.00 KP 1.05 ! LA 0.98 MK 0.99 NL 0.93 OV 1.03 ! PT 1.03 SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.99 HN 0.98 LA 0.98 ! MK 1.00 NL 0.99 OV 1.00 PT 1.03 ! ! ! Fit before self-cal, rms=0.066925Jy sigma=0.965549 ! Fit after self-cal, rms=0.058171Jy sigma=0.824396 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8883 mas, bmaj=2.278 mas, bpa=-9.102 degrees ! Estimated noise=0.31947 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 = 0.0004275 Jy ! Component: 100 - total flux cleaned = 0.000796917 Jy ! Component: 150 - total flux cleaned = 0.000917609 Jy ! Component: 200 - total flux cleaned = 0.00097424 Jy ! Total flux subtracted in 200 components = 0.00097424 Jy ! Clean residual min=-0.002621 max=0.002462 Jy/beam ! Clean residual mean=-0.000003 rms=0.000539 Jy/beam ! Combined flux in latest and established models = 0.89862 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 36 components and 0.898619 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=0.057985Jy sigma=0.821916 ! Fit after self-cal, rms=0.057952Jy sigma=0.821581 ! 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=0.057952Jy sigma=0.821581 ! Fit after self-cal, rms=0.057952Jy sigma=0.821415 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8882 mas, bmaj=2.278 mas, bpa=-9.133 degrees ! Estimated noise=0.319522 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.42849e-06 Jy ! Component: 100 - total flux cleaned = 0.000210598 Jy ! Component: 150 - total flux cleaned = 0.000258442 Jy ! Component: 200 - total flux cleaned = 0.000260114 Jy ! Total flux subtracted in 200 components = 0.000260114 Jy ! Clean residual min=-0.002455 max=0.002349 Jy/beam ! Clean residual mean=-0.000004 rms=0.000523 Jy/beam ! Combined flux in latest and established models = 0.89888 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 37 components and 0.89888 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=0.057841Jy sigma=0.819880 ! Fit after self-cal, rms=0.057813Jy sigma=0.819665 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 = -0.000122573 Jy ! Component: 100 - total flux cleaned = -7.46299e-05 Jy ! Component: 150 - total flux cleaned = -7.23806e-05 Jy ! Component: 200 - total flux cleaned = -7.13175e-05 Jy ! Total flux subtracted in 200 components = -7.13175e-05 Jy ! Clean residual min=-0.002374 max=0.002269 Jy/beam ! Clean residual mean=-0.000004 rms=0.000515 Jy/beam ! Combined flux in latest and established models = 0.898808 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 40 components and 0.898808 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=0.057744Jy sigma=0.818750 ! Fit after self-cal, rms=0.057725Jy sigma=0.818605 ! 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=0.057725Jy sigma=0.818605 ! Fit after self-cal, rms=0.057252Jy sigma=0.809062 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.888 mas, bmaj=2.279 mas, bpa=-9.163 degrees ! Estimated noise=0.319701 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000513814 Jy ! Component: 100 - total flux cleaned = 0.000855544 Jy ! Component: 150 - total flux cleaned = 0.000854362 Jy ! Component: 200 - total flux cleaned = 0.000888018 Jy ! Total flux subtracted in 200 components = 0.000888018 Jy ! Clean residual min=-0.002336 max=0.002027 Jy/beam ! Clean residual mean=-0.000001 rms=0.000396 Jy/beam ! Combined flux in latest and established models = 0.899696 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 40 components and 0.899696 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=0.057179Jy sigma=0.808175 ! Fit after self-cal, rms=0.057167Jy sigma=0.808066 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 = -0.000148787 Jy ! Component: 100 - total flux cleaned = -8.20339e-05 Jy ! Component: 150 - total flux cleaned = -8.222e-05 Jy ! Component: 200 - total flux cleaned = -5.17004e-05 Jy ! Total flux subtracted in 200 components = -5.17004e-05 Jy ! Clean residual min=-0.002249 max=0.002003 Jy/beam ! Clean residual mean=-0.000001 rms=0.000389 Jy/beam ! Combined flux in latest and established models = 0.899645 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 42 components and 0.899645 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=0.057126Jy sigma=0.807516 ! Fit after self-cal, rms=0.057117Jy sigma=0.807453 ! 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=0.057117Jy sigma=0.807453 ! Fit after self-cal, rms=0.057138Jy sigma=0.807271 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.14 mas, bmaj=2.944 mas, bpa=-1.146 degrees ! Estimated noise=0.388482 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000973152 Jy ! Component: 100 - total flux cleaned = 0.00100302 Jy ! Component: 150 - total flux cleaned = 0.00102885 Jy ! Component: 200 - total flux cleaned = 0.00104901 Jy ! Total flux subtracted in 200 components = 0.00104901 Jy ! Clean residual min=-0.001861 max=0.001635 Jy/beam ! Clean residual mean=-0.000002 rms=0.000459 Jy/beam ! Combined flux in latest and established models = 0.900694 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 44 components and 0.900694 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=0.057125Jy sigma=0.807050 ! Fit after self-cal, rms=0.057123Jy sigma=0.807048 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 = 1.37306e-05 Jy ! Component: 100 - total flux cleaned = 1.3131e-05 Jy ! Component: 150 - total flux cleaned = 2.65726e-05 Jy ! Component: 200 - total flux cleaned = 2.62107e-05 Jy ! Total flux subtracted in 200 components = 2.62107e-05 Jy ! Clean residual min=-0.001831 max=0.001612 Jy/beam ! Clean residual mean=-0.000002 rms=0.000457 Jy/beam ! Combined flux in latest and established models = 0.90072 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 48 components and 0.90072 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=0.057128Jy sigma=0.807072 ! Fit after self-cal, rms=0.057127Jy sigma=0.807072 ! 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=0.8876 mas, bmaj=2.28 mas, bpa=-9.193 degrees ! Estimated noise=0.319845 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8876 x 2.28 at -9.193 degrees (North through East) ! Clean map min=-0.0018196 max=0.86932 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=0.057127Jy sigma=0.807072 ! Fit after self-cal, rms=0.053312Jy sigma=0.740229 ! Inverting map and beam ! Estimated beam: bmin=0.8878 mas, bmaj=2.281 mas, bpa=-9.225 degrees ! Estimated noise=0.319859 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000512933 Jy ! Component: 100 - total flux cleaned = 0.00044157 Jy ! Component: 150 - total flux cleaned = 0.000341459 Jy ! Component: 200 - total flux cleaned = 0.000279031 Jy ! Total flux subtracted in 200 components = 0.000279031 Jy ! Clean residual min=-0.002227 max=0.001871 Jy/beam ! Clean residual mean=-0.000001 rms=0.000362 Jy/beam ! Combined flux in latest and established models = 0.900999 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 52 components and 0.900999 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=0.053252Jy sigma=0.739578 ! Fit after self-cal, rms=0.053246Jy sigma=0.739523 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000149911 Jy ! Component: 100 - total flux cleaned = -0.000241613 Jy ! Component: 150 - total flux cleaned = -0.000298617 Jy ! Component: 200 - total flux cleaned = -0.0003253 Jy ! Total flux subtracted in 200 components = -0.0003253 Jy ! Clean residual min=-0.002121 max=0.001858 Jy/beam ! Clean residual mean=-0.000001 rms=0.000358 Jy/beam ! Combined flux in latest and established models = 0.900674 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 52 components and 0.900674 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=0.053213Jy sigma=0.739089 ! Fit after self-cal, rms=0.053208Jy sigma=0.739054 ! 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=0.053208Jy sigma=0.739054 ! Fit after self-cal, rms=0.053227Jy sigma=0.738912 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=0.6925 mas, bmaj=2.055 mas, bpa=-10.63 degrees ! Estimated noise=0.531671 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.67127 Jy ! Component: 100 - total flux cleaned = 0.818414 Jy ! Component: 150 - total flux cleaned = 0.863378 Jy ! Component: 200 - total flux cleaned = 0.884363 Jy ! Total flux subtracted in 200 components = 0.884363 Jy ! Clean residual min=-0.004916 max=0.009721 Jy/beam ! Clean residual mean=-0.000003 rms=0.000903 Jy/beam ! Combined flux in latest and established models = 0.884363 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.884363 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8873 mas, bmaj=2.281 mas, bpa=-9.241 degrees ! Estimated noise=0.319978 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 = 0.0109568 Jy ! Component: 100 - total flux cleaned = 0.0152495 Jy ! Component: 150 - total flux cleaned = 0.0159444 Jy ! Component: 200 - total flux cleaned = 0.0165777 Jy ! Total flux subtracted in 200 components = 0.0165777 Jy ! Clean residual min=-0.002918 max=0.002213 Jy/beam ! Clean residual mean=-0.000001 rms=0.000410 Jy/beam ! Combined flux in latest and established models = 0.900941 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 25 components and 0.900941 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=2.14 mas, bmaj=2.944 mas, bpa=-1.235 degrees ! Estimated noise=0.388715 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00044183 Jy ! Component: 100 - total flux cleaned = 0.000649255 Jy ! Component: 150 - total flux cleaned = 0.000781755 Jy ! Component: 200 - total flux cleaned = 0.000887615 Jy ! Total flux subtracted in 200 components = 0.000887615 Jy ! Clean residual min=-0.001830 max=0.001657 Jy/beam ! Clean residual mean=-0.000002 rms=0.000439 Jy/beam ! Combined flux in latest and established models = 0.901829 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 = 5.39984e-05 Jy ! Component: 100 - total flux cleaned = 0.000101139 Jy ! Component: 150 - total flux cleaned = 0.000100844 Jy ! Component: 200 - total flux cleaned = 0.000101177 Jy ! Total flux subtracted in 200 components = 0.000101177 Jy ! Clean residual min=-0.001811 max=0.001635 Jy/beam ! Clean residual mean=-0.000002 rms=0.000438 Jy/beam ! Combined flux in latest and established models = 0.90193 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 39 components and 0.90193 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8873 mas, bmaj=2.281 mas, bpa=-9.241 degrees ! Estimated noise=0.319978 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000489716 Jy ! Component: 100 - total flux cleaned = 0.000488172 Jy ! Component: 150 - total flux cleaned = 0.000435724 Jy ! Component: 200 - total flux cleaned = 0.000380451 Jy ! Total flux subtracted in 200 components = 0.000380451 Jy ! Clean residual min=-0.002515 max=0.002053 Jy/beam ! Clean residual mean=-0.000001 rms=0.000393 Jy/beam ! Combined flux in latest and established models = 0.90231 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 42 components and 0.90231 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=0.053646Jy sigma=0.744305 ! Fit after self-cal, rms=0.053607Jy sigma=0.743956 wmodel J2218+1520_X_map.mod ! Writing 42 model components to file: J2218+1520_X_map.mod wobs J2218+1520_X_uvs.fits ! Writing UV FITS file: J2218+1520_X_uvs.fits wwins J2218+1520_X_map.win ! wwins: Wrote 1 windows to J2218+1520_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 = -0.00109805 Jy ! Component: 100 - total flux cleaned = -0.00121704 Jy ! Component: 150 - total flux cleaned = -0.00111202 Jy ! Component: 200 - total flux cleaned = -0.00101063 Jy ! Component: 250 - total flux cleaned = -0.00107525 Jy ! Component: 300 - total flux cleaned = -0.00110703 Jy ! Component: 350 - total flux cleaned = -0.00107735 Jy ! Component: 400 - total flux cleaned = -0.00104857 Jy ! Component: 450 - total flux cleaned = -0.000934589 Jy ! Component: 500 - total flux cleaned = -0.000823222 Jy ! Component: 550 - total flux cleaned = -0.000714406 Jy ! Component: 600 - total flux cleaned = -0.000580717 Jy ! Component: 650 - total flux cleaned = -0.000423508 Jy ! Component: 700 - total flux cleaned = -0.000269479 Jy ! Component: 750 - total flux cleaned = -0.000143296 Jy ! Component: 800 - total flux cleaned = -1.92887e-05 Jy ! Component: 850 - total flux cleaned = 0.000127125 Jy ! Component: 900 - total flux cleaned = 0.000318921 Jy ! Component: 950 - total flux cleaned = 0.000460388 Jy ! Component: 1000 - total flux cleaned = 0.00059992 Jy ! Component: 1050 - total flux cleaned = 0.000805321 Jy ! Component: 1100 - total flux cleaned = 0.000917475 Jy ! Component: 1150 - total flux cleaned = 0.00105043 Jy ! Component: 1200 - total flux cleaned = 0.00118146 Jy ! Component: 1250 - total flux cleaned = 0.00128936 Jy ! Component: 1300 - total flux cleaned = 0.00137429 Jy ! Component: 1350 - total flux cleaned = 0.00154188 Jy ! Component: 1400 - total flux cleaned = 0.00160352 Jy ! Component: 1450 - total flux cleaned = 0.00172581 Jy ! Component: 1500 - total flux cleaned = 0.001786 Jy ! Component: 1550 - total flux cleaned = 0.00184544 Jy ! Component: 1600 - total flux cleaned = 0.00184562 Jy ! Component: 1650 - total flux cleaned = 0.00194272 Jy ! Component: 1700 - total flux cleaned = 0.0020004 Jy ! Component: 1750 - total flux cleaned = 0.00207601 Jy ! Component: 1800 - total flux cleaned = 0.00215121 Jy ! Component: 1850 - total flux cleaned = 0.00224336 Jy ! Component: 1900 - total flux cleaned = 0.00226141 Jy ! Component: 1950 - total flux cleaned = 0.0023155 Jy ! Component: 2000 - total flux cleaned = 0.00235153 Jy ! Component: 2050 - total flux cleaned = 0.002369 Jy ! Component: 2100 - total flux cleaned = 0.00247423 Jy ! Component: 2150 - total flux cleaned = 0.00243981 Jy ! Component: 2200 - total flux cleaned = 0.00254285 Jy ! Component: 2250 - total flux cleaned = 0.0025089 Jy ! Component: 2300 - total flux cleaned = 0.00257616 Jy ! Component: 2350 - total flux cleaned = 0.00264256 Jy ! Component: 2400 - total flux cleaned = 0.00267558 Jy ! Component: 2450 - total flux cleaned = 0.00259402 Jy ! Component: 2500 - total flux cleaned = 0.00269132 Jy ! Component: 2550 - total flux cleaned = 0.0026914 Jy ! Component: 2600 - total flux cleaned = 0.00270746 Jy ! Component: 2650 - total flux cleaned = 0.00277031 Jy ! Component: 2700 - total flux cleaned = 0.00278581 Jy ! Component: 2750 - total flux cleaned = 0.00278581 Jy ! Component: 2800 - total flux cleaned = 0.00284718 Jy ! Component: 2850 - total flux cleaned = 0.0028929 Jy ! Component: 2900 - total flux cleaned = 0.00295317 Jy ! Component: 2950 - total flux cleaned = 0.00298302 Jy ! Component: 3000 - total flux cleaned = 0.00304243 Jy ! Component: 3050 - total flux cleaned = 0.00307205 Jy ! Component: 3100 - total flux cleaned = 0.00311578 Jy ! Component: 3150 - total flux cleaned = 0.00314481 Jy ! Component: 3200 - total flux cleaned = 0.00327424 Jy ! Component: 3250 - total flux cleaned = 0.00325991 Jy ! Component: 3300 - total flux cleaned = 0.00330234 Jy ! Component: 3350 - total flux cleaned = 0.00328819 Jy ! Component: 3400 - total flux cleaned = 0.00335788 Jy ! Component: 3450 - total flux cleaned = 0.00334409 Jy ! Component: 3500 - total flux cleaned = 0.00339914 Jy ! Component: 3550 - total flux cleaned = 0.00341274 Jy ! Component: 3600 - total flux cleaned = 0.0034264 Jy ! Component: 3650 - total flux cleaned = 0.00343968 Jy ! Component: 3700 - total flux cleaned = 0.0034929 Jy ! Component: 3750 - total flux cleaned = 0.00349291 Jy ! Component: 3800 - total flux cleaned = 0.00346645 Jy ! Component: 3850 - total flux cleaned = 0.00350576 Jy ! Component: 3900 - total flux cleaned = 0.0035186 Jy ! Component: 3950 - total flux cleaned = 0.00355724 Jy ! Component: 4000 - total flux cleaned = 0.0035571 Jy ! Component: 4050 - total flux cleaned = 0.00353175 Jy ! Total flux subtracted in 4096 components = 0.00354446 Jy ! Clean residual min=-0.000702 max=0.000630 Jy/beam ! Clean residual mean=-0.000001 rms=0.000203 Jy/beam ! Combined flux in latest and established models = 0.905855 Jy keep ! Adding 240 model components to the UV plane model. ! The established model now contains 281 components and 0.905855 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J2218+1520_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8873 x 2.281 at -9.241 degrees (North through East) ! Clean map min=-0.0013282 max=0.87021 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J2218+1520_X_map.fits wmodel /vlbi/bp222/maps//J2218+1520_X_map.mod ! Writing 281 model components to file: /vlbi/bp222/maps//J2218+1520_X_map.mod wobs /vlbi/bp222/maps//J2218+1520_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J2218+1520_X_uvs.fits wwins /vlbi/bp222/maps//J2218+1520_X_map.win ! wwins: Wrote 2 windows to /vlbi/bp222/maps//J2218+1520_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.870206 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000202198 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0697071 0.0697071 0.139414 0.278828 0.557657 1.11531 2.23063 4.46125 8.9225 17.845 35.69 71.38 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.87 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 4303.72 quit ! Quitting program ! Log file /vlbi/bp222/maps//J2218+1520_X_dfm.log closed on Thu Sep 27 11:41:19 2018