! Started logfile: /vlbi/uf001/uva//J0426+6825_X_dfm.log on Sun Jan 13 22:12:00 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/uva//J0426+6825_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0426+6825_X_uva.fits ! AN table 1: 116 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.926628 visibilities/baseline/integration-bin. ! Found source: J0426+6825 ! ! 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 58044 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 J0426+6825_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 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.017164Jy sigma=23.037702 ! Fit after self-cal, rms=0.846076Jy sigma=19.142127 ! 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=0.7326 mas, bmaj=0.9094 mas, bpa=3.997 degrees ! Estimated noise=0.309959 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 = 0.116837 Jy ! Component: 100 - total flux cleaned = 0.143918 Jy ! Total flux subtracted in 100 components = 0.143918 Jy ! Clean residual min=-0.004464 max=0.010369 Jy/beam ! Clean residual mean=0.000002 rms=0.000942 Jy/beam ! Combined flux in latest and established models = 0.143918 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.143918 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=0.062071Jy sigma=1.335392 ! Fit after self-cal, rms=0.062064Jy sigma=1.335196 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0107731 Jy ! Component: 100 - total flux cleaned = 0.0159403 Jy ! Total flux subtracted in 100 components = 0.0159403 Jy ! Clean residual min=-0.004070 max=0.005653 Jy/beam ! Clean residual mean=0.000001 rms=0.000796 Jy/beam ! Combined flux in latest and established models = 0.159858 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 9 components and 0.159858 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=0.059761Jy sigma=1.274996 ! Fit after self-cal, rms=0.059752Jy sigma=1.274672 ! Inverting map ! Added new window around map position (1.8, -0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00483181 Jy ! Component: 100 - total flux cleaned = 0.0063858 Jy ! Total flux subtracted in 100 components = 0.0063858 Jy ! Clean residual min=-0.003649 max=0.005197 Jy/beam ! Clean residual mean=0.000000 rms=0.000762 Jy/beam ! Combined flux in latest and established models = 0.166244 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 13 components and 0.166244 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=0.059312Jy sigma=1.264820 ! Fit after self-cal, rms=0.059280Jy sigma=1.263909 ! 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=0.9799 mas, bmaj=1.217 mas, bpa=5.769 degrees ! Estimated noise=0.133714 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-1.8, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00578736 Jy ! Component: 100 - total flux cleaned = 0.00955516 Jy ! Component: 150 - total flux cleaned = 0.0123609 Jy ! Component: 200 - total flux cleaned = 0.0145371 Jy ! Total flux subtracted in 200 components = 0.0145371 Jy ! Clean residual min=-0.003287 max=0.004199 Jy/beam ! Clean residual mean=-0.000003 rms=0.000668 Jy/beam ! Combined flux in latest and established models = 0.180781 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 31 components and 0.180781 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=0.058577Jy sigma=1.247603 ! Fit after self-cal, rms=0.058539Jy sigma=1.246566 ! Inverting map ! Added new window around map position (0.2, -2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00337376 Jy ! Component: 100 - total flux cleaned = 0.00449807 Jy ! Component: 150 - total flux cleaned = 0.00525487 Jy ! Component: 200 - total flux cleaned = 0.0058242 Jy ! Total flux subtracted in 200 components = 0.0058242 Jy ! Clean residual min=-0.003065 max=0.002806 Jy/beam ! Clean residual mean=-0.000004 rms=0.000622 Jy/beam ! Combined flux in latest and established models = 0.186605 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 44 components and 0.186605 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=0.058244Jy sigma=1.240104 ! Fit after self-cal, rms=0.058230Jy sigma=1.239737 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9799 x 1.217 at 5.769 degrees (North through East) ! Clean map min=-0.0028763 max=0.15245 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 HN 1.01 KP 1.01 ! LA 1.01 MK 1.02 NL 1.07 OV 0.91 ! PT 0.95 SC 0.94 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.02 HN 0.99 KP 1.01 ! LA 1.01 MK 1.03 NL 1.09 OV 0.91 ! PT 0.95 SC 0.94 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.03 HN 1.00 KP 1.03 ! LA 1.01 MK 1.03 NL 1.07 OV 0.89 ! PT 0.96 SC 0.92 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.03 HN 1.01 KP 1.01 ! LA 1.01 MK 1.03 NL 1.08 OV 0.91 ! PT 0.95 SC 0.93 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 1.00 KP 1.01 ! LA 1.02 MK 1.04 NL 1.08 OV 0.91 ! PT 0.96 SC 0.95 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.99 KP 1.00 ! LA 1.00 MK 1.02 NL 1.07 OV 0.92 ! PT 0.97 SC 0.95 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.02 HN 1.02 KP 1.02 ! LA 0.99 MK 1.01 NL 1.06 OV 0.90 ! PT 0.96 SC 0.95 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.02 HN 1.00 KP 1.03 ! LA 1.01 MK 1.01 NL 1.08 OV 0.90 ! PT 0.95 SC 0.92 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.02 HN 1.01 KP 1.00 ! LA 1.00 MK 1.03 NL 1.09 OV 0.90 ! PT 0.95 SC 0.95 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.00 HN 1.01 KP 1.01 ! LA 0.98 MK 1.03 NL 1.08 OV 0.91 ! PT 0.97 SC 0.95 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 1.00 KP 0.99 ! LA 1.00 MK 1.03 NL 1.08 OV 0.91 ! PT 0.95 SC 0.95 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.03 HN 1.01 KP 1.01 ! LA 1.01 MK 1.02 NL 1.06 OV 0.91 ! PT 0.93 SC 0.94 ! ! ! Fit before self-cal, rms=0.058230Jy sigma=1.239737 ! Fit after self-cal, rms=0.057010Jy sigma=1.213212 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9769 mas, bmaj=1.217 mas, bpa=6.578 degrees ! Estimated noise=0.133341 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 = -0.00214694 Jy ! Component: 100 - total flux cleaned = -0.00291952 Jy ! Component: 150 - total flux cleaned = -0.00339838 Jy ! Component: 200 - total flux cleaned = -0.0035582 Jy ! Total flux subtracted in 200 components = -0.0035582 Jy ! Clean residual min=-0.001872 max=0.002007 Jy/beam ! Clean residual mean=-0.000003 rms=0.000403 Jy/beam ! Combined flux in latest and established models = 0.183047 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 60 components and 0.183047 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=0.056894Jy sigma=1.210787 ! Fit after self-cal, rms=0.056912Jy sigma=1.210474 ! 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=0.056912Jy sigma=1.210474 ! Fit after self-cal, rms=0.058318Jy sigma=1.195265 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9822 mas, bmaj=1.213 mas, bpa=6.705 degrees ! Estimated noise=0.133619 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00150257 Jy ! Component: 100 - total flux cleaned = -0.0020149 Jy ! Component: 150 - total flux cleaned = -0.00224579 Jy ! Component: 200 - total flux cleaned = -0.00233457 Jy ! Total flux subtracted in 200 components = -0.00233457 Jy ! Clean residual min=-0.001071 max=0.001389 Jy/beam ! Clean residual mean=-0.000001 rms=0.000252 Jy/beam ! Combined flux in latest and established models = 0.180713 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 81 components and 0.180713 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=0.058265Jy sigma=1.193990 ! Fit after self-cal, rms=0.058304Jy sigma=1.193848 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 (-15.8, 14.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00129349 Jy ! Component: 100 - total flux cleaned = 0.00179011 Jy ! Component: 150 - total flux cleaned = 0.00198537 Jy ! Component: 200 - total flux cleaned = 0.00213872 Jy ! Total flux subtracted in 200 components = 0.00213872 Jy ! Clean residual min=-0.001005 max=0.001051 Jy/beam ! Clean residual mean=-0.000001 rms=0.000235 Jy/beam ! Combined flux in latest and established models = 0.182851 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 97 components and 0.182851 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=0.058267Jy sigma=1.192892 ! Fit after self-cal, rms=0.058265Jy sigma=1.192863 ! Inverting map ! Added new window around map position (14.2, 16.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000912315 Jy ! Component: 100 - total flux cleaned = 0.00125333 Jy ! Component: 150 - total flux cleaned = 0.00146785 Jy ! Component: 200 - total flux cleaned = 0.00160131 Jy ! Total flux subtracted in 200 components = 0.00160131 Jy ! Clean residual min=-0.000925 max=0.000931 Jy/beam ! Clean residual mean=-0.000002 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.184453 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 113 components and 0.184453 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=0.058239Jy sigma=1.192308 ! Fit after self-cal, rms=0.058238Jy sigma=1.192296 ! 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=0.058238Jy sigma=1.192296 ! Fit after self-cal, rms=0.058428Jy sigma=1.191964 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9817 mas, bmaj=1.213 mas, bpa=6.84 degrees ! Estimated noise=0.133477 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000975197 Jy ! Component: 100 - total flux cleaned = -0.00136249 Jy ! Component: 150 - total flux cleaned = -0.00136506 Jy ! Component: 200 - total flux cleaned = -0.00138784 Jy ! Total flux subtracted in 200 components = -0.00138784 Jy ! Clean residual min=-0.000842 max=0.000894 Jy/beam ! Clean residual mean=-0.000002 rms=0.000211 Jy/beam ! Combined flux in latest and established models = 0.183065 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 120 components and 0.183065 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=0.058402Jy sigma=1.191390 ! Fit after self-cal, rms=0.058404Jy sigma=1.191381 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 (10.6, -50). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000691905 Jy ! Component: 100 - total flux cleaned = 0.000732454 Jy ! Component: 150 - total flux cleaned = 0.000810764 Jy ! Component: 200 - total flux cleaned = 0.000903983 Jy ! Total flux subtracted in 200 components = 0.000903983 Jy ! Clean residual min=-0.000827 max=0.000838 Jy/beam ! Clean residual mean=-0.000001 rms=0.000206 Jy/beam ! Combined flux in latest and established models = 0.183969 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 130 components and 0.183969 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=0.058386Jy sigma=1.191017 ! Fit after self-cal, rms=0.058385Jy sigma=1.191007 ! 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=0.058385Jy sigma=1.191007 ! Fit after self-cal, rms=0.058424Jy sigma=1.190859 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.282 mas, bmaj=2.449 mas, bpa=28.28 degrees ! Estimated noise=0.172723 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000450201 Jy ! Component: 100 - total flux cleaned = -0.000356735 Jy ! Component: 150 - total flux cleaned = -0.000229724 Jy ! Component: 200 - total flux cleaned = -9.40554e-05 Jy ! Total flux subtracted in 200 components = -9.40554e-05 Jy ! Clean residual min=-0.001035 max=0.001050 Jy/beam ! Clean residual mean=-0.000003 rms=0.000296 Jy/beam ! Combined flux in latest and established models = 0.183875 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 159 components and 0.183875 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=0.058420Jy sigma=1.190709 ! Fit after self-cal, rms=0.058419Jy sigma=1.190689 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 = 8.94957e-05 Jy ! Component: 100 - total flux cleaned = 0.000215544 Jy ! Component: 150 - total flux cleaned = 0.000326985 Jy ! Component: 200 - total flux cleaned = 0.000376883 Jy ! Total flux subtracted in 200 components = 0.000376883 Jy ! Clean residual min=-0.001044 max=0.001029 Jy/beam ! Clean residual mean=-0.000004 rms=0.000292 Jy/beam ! Combined flux in latest and established models = 0.184252 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 171 components and 0.184252 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=0.058417Jy sigma=1.190658 ! Fit after self-cal, rms=0.058416Jy sigma=1.190653 ! 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=0.9812 mas, bmaj=1.213 mas, bpa=6.878 degrees ! Estimated noise=0.133364 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9812 x 1.213 at 6.878 degrees (North through East) ! Clean map min=-0.00096189 max=0.1532 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7343 mas, bmaj=0.9027 mas, bpa=5.187 degrees ! Estimated noise=0.309679 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.116624 Jy ! Component: 100 - total flux cleaned = 0.144092 Jy ! Component: 150 - total flux cleaned = 0.155218 Jy ! Component: 200 - total flux cleaned = 0.160442 Jy ! Total flux subtracted in 200 components = 0.160442 Jy ! Clean residual min=-0.001868 max=0.002620 Jy/beam ! Clean residual mean=0.000001 rms=0.000425 Jy/beam ! Combined flux in latest and established models = 0.160442 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 9 model components to the UV plane model. ! The established model now contains 9 components and 0.160442 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9812 mas, bmaj=1.213 mas, bpa=6.878 degrees ! Estimated noise=0.133364 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 = 0.00495903 Jy ! Component: 100 - total flux cleaned = 0.00797968 Jy ! Component: 150 - total flux cleaned = 0.0101164 Jy ! Component: 200 - total flux cleaned = 0.0118037 Jy ! Total flux subtracted in 200 components = 0.0118037 Jy ! Clean residual min=-0.001109 max=0.001162 Jy/beam ! Clean residual mean=-0.000001 rms=0.000255 Jy/beam ! Combined flux in latest and established models = 0.172246 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 39 components and 0.172246 Jy ! Inverting map ! Added new window around map position (-0.2, 2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00143877 Jy ! Component: 100 - total flux cleaned = 0.00268024 Jy ! Component: 150 - total flux cleaned = 0.00368637 Jy ! Component: 200 - total flux cleaned = 0.00450227 Jy ! Total flux subtracted in 200 components = 0.00450227 Jy ! Clean residual min=-0.000957 max=0.000891 Jy/beam ! Clean residual mean=-0.000001 rms=0.000220 Jy/beam ! Combined flux in latest and established models = 0.176748 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 62 components and 0.176748 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=2.282 mas, bmaj=2.449 mas, bpa=28.28 degrees ! Estimated noise=0.172723 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0013828 Jy ! Component: 100 - total flux cleaned = 0.00242379 Jy ! Component: 150 - total flux cleaned = 0.00328847 Jy ! Component: 200 - total flux cleaned = 0.00388144 Jy ! Total flux subtracted in 200 components = 0.00388144 Jy ! Clean residual min=-0.001225 max=0.001072 Jy/beam ! Clean residual mean=-0.000003 rms=0.000319 Jy/beam ! Combined flux in latest and established models = 0.180629 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 = 0.000469211 Jy ! Component: 100 - total flux cleaned = 0.000817143 Jy ! Component: 150 - total flux cleaned = 0.00113161 Jy ! Component: 200 - total flux cleaned = 0.00143475 Jy ! Total flux subtracted in 200 components = 0.00143475 Jy ! Clean residual min=-0.001128 max=0.001039 Jy/beam ! Clean residual mean=-0.000003 rms=0.000303 Jy/beam ! Combined flux in latest and established models = 0.182064 Jy ! Adding 93 model components to the UV plane model. ! The established model now contains 147 components and 0.182064 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9812 mas, bmaj=1.213 mas, bpa=6.878 degrees ! Estimated noise=0.133364 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.8386e-05 Jy ! Component: 100 - total flux cleaned = 0.000366247 Jy ! Component: 150 - total flux cleaned = 0.000638551 Jy ! Component: 200 - total flux cleaned = 0.000870387 Jy ! Total flux subtracted in 200 components = 0.000870387 Jy ! Clean residual min=-0.000825 max=0.000771 Jy/beam ! Clean residual mean=-0.000001 rms=0.000192 Jy/beam ! Combined flux in latest and established models = 0.182934 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 163 components and 0.182934 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=0.058391Jy sigma=1.190306 ! Fit after self-cal, rms=0.058383Jy sigma=1.190188 wmodel J0426+6825_X_map.mod ! Writing 163 model components to file: J0426+6825_X_map.mod wobs J0426+6825_X_uvs.fits ! Writing UV FITS file: J0426+6825_X_uvs.fits wwins J0426+6825_X_map.win ! wwins: Wrote 8 windows to J0426+6825_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 = -7.42193e-05 Jy ! Component: 100 - total flux cleaned = -0.000183733 Jy ! Component: 150 - total flux cleaned = -0.000315391 Jy ! Component: 200 - total flux cleaned = -0.000379012 Jy ! Component: 250 - total flux cleaned = -0.000453733 Jy ! Component: 300 - total flux cleaned = -0.000526809 Jy ! Component: 350 - total flux cleaned = -0.000610325 Jy ! Component: 400 - total flux cleaned = -0.000668908 Jy ! Component: 450 - total flux cleaned = -0.00073823 Jy ! Component: 500 - total flux cleaned = -0.000806358 Jy ! Component: 550 - total flux cleaned = -0.00088463 Jy ! Component: 600 - total flux cleaned = -0.0009177 Jy ! Component: 650 - total flux cleaned = -0.00100515 Jy ! Component: 700 - total flux cleaned = -0.00108055 Jy ! Component: 750 - total flux cleaned = -0.00114446 Jy ! Component: 800 - total flux cleaned = -0.00119714 Jy ! Component: 850 - total flux cleaned = -0.0012909 Jy ! Component: 900 - total flux cleaned = -0.00128052 Jy ! Component: 950 - total flux cleaned = -0.00130101 Jy ! Component: 1000 - total flux cleaned = -0.00135163 Jy ! Component: 1050 - total flux cleaned = -0.00135153 Jy ! Component: 1100 - total flux cleaned = -0.00139123 Jy ! Component: 1150 - total flux cleaned = -0.00141107 Jy ! Component: 1200 - total flux cleaned = -0.00145977 Jy ! Component: 1250 - total flux cleaned = -0.00144039 Jy ! Component: 1300 - total flux cleaned = -0.00148843 Jy ! Component: 1350 - total flux cleaned = -0.00150756 Jy ! Component: 1400 - total flux cleaned = -0.00154547 Jy ! Component: 1450 - total flux cleaned = -0.00155482 Jy ! Component: 1500 - total flux cleaned = -0.00158278 Jy ! Component: 1550 - total flux cleaned = -0.00160129 Jy ! Component: 1600 - total flux cleaned = -0.00163812 Jy ! Component: 1650 - total flux cleaned = -0.00165629 Jy ! Component: 1700 - total flux cleaned = -0.00166542 Jy ! Component: 1750 - total flux cleaned = -0.00173743 Jy ! Component: 1800 - total flux cleaned = -0.00171049 Jy ! Component: 1850 - total flux cleaned = -0.00172823 Jy ! Component: 1900 - total flux cleaned = -0.0017548 Jy ! Component: 1950 - total flux cleaned = -0.00175469 Jy ! Component: 2000 - total flux cleaned = -0.00179825 Jy ! Component: 2050 - total flux cleaned = -0.00180692 Jy ! Component: 2100 - total flux cleaned = -0.00178119 Jy ! Component: 2150 - total flux cleaned = -0.00180688 Jy ! Component: 2200 - total flux cleaned = -0.00178993 Jy ! Component: 2250 - total flux cleaned = -0.00183216 Jy ! Component: 2300 - total flux cleaned = -0.00185724 Jy ! Component: 2350 - total flux cleaned = -0.00185729 Jy ! Component: 2400 - total flux cleaned = -0.00184889 Jy ! Component: 2450 - total flux cleaned = -0.00185723 Jy ! Component: 2500 - total flux cleaned = -0.00184079 Jy ! Component: 2550 - total flux cleaned = -0.00188965 Jy ! Component: 2600 - total flux cleaned = -0.00190591 Jy ! Component: 2650 - total flux cleaned = -0.0018817 Jy ! Component: 2700 - total flux cleaned = -0.0018978 Jy ! Component: 2750 - total flux cleaned = -0.00192153 Jy ! Component: 2800 - total flux cleaned = -0.00195321 Jy ! Component: 2850 - total flux cleaned = -0.00193752 Jy ! Component: 2900 - total flux cleaned = -0.00191397 Jy ! Component: 2950 - total flux cleaned = -0.00195298 Jy ! Component: 3000 - total flux cleaned = -0.00196075 Jy ! Component: 3050 - total flux cleaned = -0.00197615 Jy ! Component: 3100 - total flux cleaned = -0.00194552 Jy ! Component: 3150 - total flux cleaned = -0.00194558 Jy ! Component: 3200 - total flux cleaned = -0.00190757 Jy ! Component: 3250 - total flux cleaned = -0.00194539 Jy ! Component: 3300 - total flux cleaned = -0.00193033 Jy ! Component: 3350 - total flux cleaned = -0.00192292 Jy ! Component: 3400 - total flux cleaned = -0.0019229 Jy ! Component: 3450 - total flux cleaned = -0.00194513 Jy ! Component: 3500 - total flux cleaned = -0.0019599 Jy ! Component: 3550 - total flux cleaned = -0.00194524 Jy ! Component: 3600 - total flux cleaned = -0.00193794 Jy ! Component: 3650 - total flux cleaned = -0.00198159 Jy ! Component: 3700 - total flux cleaned = -0.00200337 Jy ! Component: 3750 - total flux cleaned = -0.00198896 Jy ! Component: 3800 - total flux cleaned = -0.00196734 Jy ! Component: 3850 - total flux cleaned = -0.00193156 Jy ! Component: 3900 - total flux cleaned = -0.00198859 Jy ! Component: 3950 - total flux cleaned = -0.00196018 Jy ! Component: 4000 - total flux cleaned = -0.00197433 Jy ! Component: 4050 - total flux cleaned = -0.00194619 Jy ! Total flux subtracted in 4096 components = -0.00196017 Jy ! Clean residual min=-0.000387 max=0.000413 Jy/beam ! Clean residual mean=-0.000001 rms=0.000123 Jy/beam ! Combined flux in latest and established models = 0.180974 Jy keep ! Adding 360 model components to the UV plane model. ! The established model now contains 523 components and 0.180974 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0426+6825_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9812 x 1.213 at 6.878 degrees (North through East) ! Clean map min=-0.00063732 max=0.15354 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0426+6825_X_map.fits wmodel /vlbi/uf001/uva//J0426+6825_X_map.mod ! Writing 523 model components to file: /vlbi/uf001/uva//J0426+6825_X_map.mod wobs /vlbi/uf001/uva//J0426+6825_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0426+6825_X_uvs.fits wwins /vlbi/uf001/uva//J0426+6825_X_map.win ! wwins: Wrote 9 windows to /vlbi/uf001/uva//J0426+6825_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.153542 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000122704 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.239747 0.239747 0.479494 0.958987 1.91797 3.83595 7.6719 15.3438 30.6876 61.3752 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.153 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1251.32 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0426+6825_X_dfm.log closed on Sun Jan 13 22:12:07 2019