! Started logfile: /vlbi/uf001/uva//J2157-1807_X_dfm.log on Mon Jan 14 06:04:15 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//J2157-1807_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2157-1807_X_uva.fits ! AN table 1: 87 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.729611 visibilities/baseline/integration-bin. ! Found source: J2157-1807 ! ! 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 121 lines of history. ! ! Reading 15996 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 J2157-1807_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 105 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.007599Jy sigma=18.649821 ! Fit after self-cal, rms=0.927910Jy sigma=17.021319 ! 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=0.6231 mas, bmaj=1.824 mas, bpa=4.076 degrees ! Estimated noise=0.642322 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 = 0.044654 Jy ! Component: 100 - total flux cleaned = 0.0650607 Jy ! Total flux subtracted in 100 components = 0.0650607 Jy ! Clean residual min=-0.011478 max=0.014872 Jy/beam ! Clean residual mean=-0.000075 rms=0.003790 Jy/beam ! Combined flux in latest and established models = 0.0650607 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 27 components and 0.0650607 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=0.106092Jy sigma=1.940362 ! Fit after self-cal, rms=0.105433Jy sigma=1.930126 ! 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=0.8028 mas, bmaj=2.165 mas, bpa=3.815 degrees ! Estimated noise=0.316984 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 = 0.0349423 Jy ! Component: 100 - total flux cleaned = 0.0538211 Jy ! Component: 150 - total flux cleaned = 0.0646362 Jy ! Component: 200 - total flux cleaned = 0.0709624 Jy ! Total flux subtracted in 200 components = 0.0709624 Jy ! Clean residual min=-0.022362 max=0.026281 Jy/beam ! Clean residual mean=-0.000149 rms=0.007797 Jy/beam ! Combined flux in latest and established models = 0.136023 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 45 components and 0.136023 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=0.096137Jy sigma=1.666160 ! Fit after self-cal, rms=0.095777Jy sigma=1.653216 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8028 x 2.165 at 3.815 degrees (North through East) ! Clean map min=-0.02191 max=0.069203 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 HN 2.39 LA 0.56 MK 1.36 ! NL 1.77 PT 0.79 SC 1.73 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.20 HN 2.48 LA 0.56 MK 1.24 ! NL 1.74 PT 0.81 SC 1.59 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 HN 2.16 LA 0.56 MK 1.27 ! NL 1.79 PT 0.85 SC 1.63 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.20 HN 2.18 LA 0.56 MK 1.11 ! NL 1.80 PT 0.82 SC 1.72 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.21 HN 2.25 LA 0.55 MK 1.20 ! NL 1.75 PT 0.87 SC 1.64 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 HN 2.15 LA 0.54 MK 1.10 ! NL 1.94 PT 0.84 SC 1.64 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.18 HN 1.95 LA 0.56 MK 1.05 ! NL 1.81 PT 0.82 SC 1.58 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.21 HN 2.38 LA 0.57 MK 0.91 ! NL 1.80 PT 0.82 SC 1.63 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 HN 2.02 LA 0.58 MK 1.15 ! NL 1.78 PT 0.82 SC 1.44 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 HN 2.10 LA 0.56 MK 0.93 ! NL 1.85 PT 0.84 SC 1.35 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.18 HN 1.90 LA 0.56 MK 0.74 ! NL 1.94 PT 0.81 SC 1.43 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.24 HN 1.74 LA 0.58 MK 0.81 ! NL 1.82 PT 0.83 SC 1.28 ! ! ! Fit before self-cal, rms=0.095777Jy sigma=1.653216 ! Fit after self-cal, rms=0.167326Jy sigma=1.277843 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8719 mas, bmaj=2.362 mas, bpa=1.369 degrees ! Estimated noise=0.359305 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 = 0.00126586 Jy ! Component: 100 - total flux cleaned = 0.00127008 Jy ! Component: 150 - total flux cleaned = 0.00126155 Jy ! Component: 200 - total flux cleaned = 0.00127378 Jy ! Total flux subtracted in 200 components = 0.00127378 Jy ! Clean residual min=-0.006702 max=0.007379 Jy/beam ! Clean residual mean=-0.000011 rms=0.001730 Jy/beam ! Combined flux in latest and established models = 0.137297 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 49 components and 0.137297 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=0.166982Jy sigma=1.275838 ! Fit after self-cal, rms=0.174242Jy sigma=1.248727 ! 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=0.174242Jy sigma=1.248727 ! Fit after self-cal, rms=0.178437Jy sigma=1.240158 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8461 mas, bmaj=2.289 mas, bpa=2.069 degrees ! Estimated noise=0.358314 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000151693 Jy ! Component: 100 - total flux cleaned = 0.000292649 Jy ! Component: 150 - total flux cleaned = 0.000403632 Jy ! Component: 200 - total flux cleaned = 0.00046729 Jy ! Total flux subtracted in 200 components = 0.00046729 Jy ! Clean residual min=-0.005033 max=0.007204 Jy/beam ! Clean residual mean=-0.000010 rms=0.001342 Jy/beam ! Combined flux in latest and established models = 0.137764 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 52 components and 0.137764 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=0.178382Jy sigma=1.240299 ! Fit after self-cal, rms=0.179397Jy sigma=1.239047 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 (5.4, 22). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00437651 Jy ! Component: 100 - total flux cleaned = 0.00484729 Jy ! Component: 150 - total flux cleaned = 0.00484614 Jy ! Component: 200 - total flux cleaned = 0.00492896 Jy ! Total flux subtracted in 200 components = 0.00492896 Jy ! Clean residual min=-0.004032 max=0.005095 Jy/beam ! Clean residual mean=-0.000017 rms=0.001224 Jy/beam ! Combined flux in latest and established models = 0.142693 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 60 components and 0.142693 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=0.179023Jy sigma=1.232162 ! Fit after self-cal, rms=0.179266Jy sigma=1.230020 ! 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=0.179266Jy sigma=1.230020 ! Fit after self-cal, rms=0.192585Jy sigma=1.219467 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8583 mas, bmaj=2.322 mas, bpa=2.269 degrees ! Estimated noise=0.36256 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00325324 Jy ! Component: 100 - total flux cleaned = 0.00393946 Jy ! Component: 150 - total flux cleaned = 0.0041481 Jy ! Component: 200 - total flux cleaned = 0.00420815 Jy ! Total flux subtracted in 200 components = 0.00420815 Jy ! Clean residual min=-0.003496 max=0.003657 Jy/beam ! Clean residual mean=-0.000007 rms=0.000872 Jy/beam ! Combined flux in latest and established models = 0.146901 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 66 components and 0.146901 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=0.192372Jy sigma=1.217476 ! Fit after self-cal, rms=0.192954Jy sigma=1.216304 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 (1, 19.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00208092 Jy ! Component: 100 - total flux cleaned = 0.0016042 Jy ! Component: 150 - total flux cleaned = 0.00120054 Jy ! Component: 200 - total flux cleaned = 0.000990845 Jy ! Total flux subtracted in 200 components = 0.000990845 Jy ! Clean residual min=-0.003429 max=0.003746 Jy/beam ! Clean residual mean=-0.000007 rms=0.000821 Jy/beam ! Combined flux in latest and established models = 0.147892 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 84 components and 0.147892 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=0.192703Jy sigma=1.214689 ! Fit after self-cal, rms=0.192996Jy sigma=1.213837 ! Inverting map ! Added new window around map position (1, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00342386 Jy ! Component: 100 - total flux cleaned = 0.00452401 Jy ! Component: 150 - total flux cleaned = 0.00467808 Jy ! Component: 200 - total flux cleaned = 0.00460822 Jy ! Total flux subtracted in 200 components = 0.00460822 Jy ! Clean residual min=-0.002970 max=0.003171 Jy/beam ! Clean residual mean=-0.000003 rms=0.000754 Jy/beam ! Combined flux in latest and established models = 0.1525 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 97 components and 0.1525 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=0.192759Jy sigma=1.212495 ! Fit after self-cal, rms=0.192710Jy sigma=1.211801 ! Inverting map ! Added new window around map position (-20, -18). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00276226 Jy ! Component: 100 - total flux cleaned = 0.00328658 Jy ! Component: 150 - total flux cleaned = 0.00321106 Jy ! Component: 200 - total flux cleaned = 0.00313985 Jy ! Total flux subtracted in 200 components = 0.00313985 Jy ! Clean residual min=-0.002911 max=0.003009 Jy/beam ! Clean residual mean=-0.000001 rms=0.000711 Jy/beam ! Combined flux in latest and established models = 0.15564 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 112 components and 0.15564 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=0.192501Jy sigma=1.210589 ! Fit after self-cal, rms=0.192413Jy sigma=1.209986 ! 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=0.192413Jy sigma=1.209986 ! Fit after self-cal, rms=0.195513Jy sigma=1.208737 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.338 mas, bmaj=5.172 mas, bpa=4.557 degrees ! Estimated noise=0.375517 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00168241 Jy ! Component: 100 - total flux cleaned = 0.00215573 Jy ! Component: 150 - total flux cleaned = 0.00240452 Jy ! Component: 200 - total flux cleaned = 0.00235548 Jy ! Total flux subtracted in 200 components = 0.00235548 Jy ! Clean residual min=-0.002669 max=0.002637 Jy/beam ! Clean residual mean=0.000000 rms=0.000693 Jy/beam ! Combined flux in latest and established models = 0.157996 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 127 components and 0.157996 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=0.195393Jy sigma=1.208535 ! Fit after self-cal, rms=0.195479Jy sigma=1.208130 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 = 0.00130015 Jy ! Component: 100 - total flux cleaned = 0.00155053 Jy ! Component: 150 - total flux cleaned = 0.00159659 Jy ! Component: 200 - total flux cleaned = 0.00155247 Jy ! Total flux subtracted in 200 components = 0.00155247 Jy ! Clean residual min=-0.002676 max=0.002533 Jy/beam ! Clean residual mean=0.000000 rms=0.000675 Jy/beam ! Combined flux in latest and established models = 0.159548 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 139 components and 0.159548 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=0.195396Jy sigma=1.208202 ! Fit after self-cal, rms=0.195356Jy sigma=1.208029 ! 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=0.8514 mas, bmaj=2.299 mas, bpa=2.612 degrees ! Estimated noise=0.359458 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8514 x 2.299 at 2.612 degrees (North through East) ! Clean map min=-0.0039093 max=0.072345 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=0.6276 mas, bmaj=1.82 mas, bpa=3.823 degrees ! Estimated noise=0.829434 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0540916 Jy ! Component: 100 - total flux cleaned = 0.083165 Jy ! Component: 150 - total flux cleaned = 0.0977211 Jy ! Component: 200 - total flux cleaned = 0.109813 Jy ! Total flux subtracted in 200 components = 0.109813 Jy ! Clean residual min=-0.008047 max=0.008104 Jy/beam ! Clean residual mean=-0.000029 rms=0.002166 Jy/beam ! Combined flux in latest and established models = 0.109813 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 35 model components to the UV plane model. ! The established model now contains 35 components and 0.109813 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8514 mas, bmaj=2.299 mas, bpa=2.612 degrees ! Estimated noise=0.359458 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 = 0.0153039 Jy ! Component: 100 - total flux cleaned = 0.02429 Jy ! Component: 150 - total flux cleaned = 0.0302443 Jy ! Component: 200 - total flux cleaned = 0.0341545 Jy ! Total flux subtracted in 200 components = 0.0341545 Jy ! Clean residual min=-0.005262 max=0.004844 Jy/beam ! Clean residual mean=-0.000023 rms=0.001447 Jy/beam ! Combined flux in latest and established models = 0.143967 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 65 components and 0.143967 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=2.338 mas, bmaj=5.172 mas, bpa=4.557 degrees ! Estimated noise=0.375517 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00433251 Jy ! Component: 100 - total flux cleaned = 0.00668946 Jy ! Component: 150 - total flux cleaned = 0.00820968 Jy ! Component: 200 - total flux cleaned = 0.0092571 Jy ! Total flux subtracted in 200 components = 0.0092571 Jy ! Clean residual min=-0.003780 max=0.002964 Jy/beam ! Clean residual mean=-0.000011 rms=0.000965 Jy/beam ! Combined flux in latest and established models = 0.153224 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 = 0.000708364 Jy ! Component: 100 - total flux cleaned = 0.00100609 Jy ! Component: 150 - total flux cleaned = 0.00120768 Jy ! Component: 200 - total flux cleaned = 0.00145986 Jy ! Total flux subtracted in 200 components = 0.00145986 Jy ! Clean residual min=-0.003047 max=0.002764 Jy/beam ! Clean residual mean=-0.000006 rms=0.000805 Jy/beam ! Combined flux in latest and established models = 0.154684 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 93 components and 0.154684 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8514 mas, bmaj=2.299 mas, bpa=2.612 degrees ! Estimated noise=0.359458 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00289961 Jy ! Component: 100 - total flux cleaned = 0.00352972 Jy ! Component: 150 - total flux cleaned = 0.00387688 Jy ! Component: 200 - total flux cleaned = 0.0039527 Jy ! Total flux subtracted in 200 components = 0.0039527 Jy ! Clean residual min=-0.002937 max=0.003279 Jy/beam ! Clean residual mean=-0.000003 rms=0.000722 Jy/beam ! Combined flux in latest and established models = 0.158637 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 110 components and 0.158637 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=0.195236Jy sigma=1.210583 ! Fit after self-cal, rms=0.194699Jy sigma=1.208466 wmodel J2157-1807_X_map.mod ! Writing 110 model components to file: J2157-1807_X_map.mod wobs J2157-1807_X_uvs.fits ! Writing UV FITS file: J2157-1807_X_uvs.fits wwins J2157-1807_X_map.win ! wwins: Wrote 5 windows to J2157-1807_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 = -0.00107805 Jy ! Component: 100 - total flux cleaned = -0.00117906 Jy ! Component: 150 - total flux cleaned = -0.00113483 Jy ! Component: 200 - total flux cleaned = -0.00109286 Jy ! Component: 250 - total flux cleaned = -0.000966979 Jy ! Component: 300 - total flux cleaned = -0.00068363 Jy ! Component: 350 - total flux cleaned = -0.000487815 Jy ! Component: 400 - total flux cleaned = -0.000297992 Jy ! Component: 450 - total flux cleaned = -7.60118e-05 Jy ! Component: 500 - total flux cleaned = 0.000103855 Jy ! Component: 550 - total flux cleaned = 0.000349012 Jy ! Component: 600 - total flux cleaned = 0.000622555 Jy ! Component: 650 - total flux cleaned = 0.000957491 Jy ! Component: 700 - total flux cleaned = 0.00125207 Jy ! Component: 750 - total flux cleaned = 0.00154108 Jy ! Component: 800 - total flux cleaned = 0.00179397 Jy ! Component: 850 - total flux cleaned = 0.00207283 Jy ! Component: 900 - total flux cleaned = 0.00225427 Jy ! Component: 950 - total flux cleaned = 0.00243398 Jy ! Component: 1000 - total flux cleaned = 0.0026696 Jy ! Component: 1050 - total flux cleaned = 0.00287219 Jy ! Component: 1100 - total flux cleaned = 0.00310045 Jy ! Component: 1150 - total flux cleaned = 0.00332595 Jy ! Component: 1200 - total flux cleaned = 0.00354873 Jy ! Component: 1250 - total flux cleaned = 0.00374098 Jy ! Component: 1300 - total flux cleaned = 0.00395782 Jy ! Component: 1350 - total flux cleaned = 0.00419845 Jy ! Component: 1400 - total flux cleaned = 0.00433046 Jy ! Component: 1450 - total flux cleaned = 0.0044868 Jy ! Component: 1500 - total flux cleaned = 0.00466671 Jy ! Component: 1550 - total flux cleaned = 0.00487026 Jy ! Component: 1600 - total flux cleaned = 0.00487027 Jy ! Component: 1650 - total flux cleaned = 0.00501955 Jy ! Component: 1700 - total flux cleaned = 0.00509328 Jy ! Component: 1750 - total flux cleaned = 0.00523905 Jy ! Component: 1800 - total flux cleaned = 0.00526327 Jy ! Component: 1850 - total flux cleaned = 0.0053586 Jy ! Component: 1900 - total flux cleaned = 0.00542961 Jy ! Component: 1950 - total flux cleaned = 0.00552314 Jy ! Component: 2000 - total flux cleaned = 0.00556953 Jy ! Component: 2050 - total flux cleaned = 0.00568415 Jy ! Component: 2100 - total flux cleaned = 0.00563834 Jy ! Component: 2150 - total flux cleaned = 0.0056836 Jy ! Component: 2200 - total flux cleaned = 0.00570582 Jy ! Component: 2250 - total flux cleaned = 0.00572804 Jy ! Component: 2300 - total flux cleaned = 0.00574991 Jy ! Component: 2350 - total flux cleaned = 0.00574993 Jy ! Component: 2400 - total flux cleaned = 0.00570679 Jy ! Component: 2450 - total flux cleaned = 0.00579275 Jy ! Component: 2500 - total flux cleaned = 0.00581405 Jy ! Component: 2550 - total flux cleaned = 0.00581407 Jy ! Component: 2600 - total flux cleaned = 0.00591933 Jy ! Component: 2650 - total flux cleaned = 0.00596095 Jy ! Component: 2700 - total flux cleaned = 0.00596104 Jy ! Component: 2750 - total flux cleaned = 0.0059816 Jy ! Component: 2800 - total flux cleaned = 0.00606335 Jy ! Component: 2850 - total flux cleaned = 0.00612418 Jy ! Component: 2900 - total flux cleaned = 0.00606375 Jy ! Component: 2950 - total flux cleaned = 0.00618378 Jy ! Component: 3000 - total flux cleaned = 0.00622357 Jy ! Component: 3050 - total flux cleaned = 0.00624339 Jy ! Component: 3100 - total flux cleaned = 0.00640075 Jy ! Component: 3150 - total flux cleaned = 0.00640082 Jy ! Component: 3200 - total flux cleaned = 0.00642034 Jy ! Component: 3250 - total flux cleaned = 0.00647849 Jy ! Component: 3300 - total flux cleaned = 0.00655569 Jy ! Component: 3350 - total flux cleaned = 0.00663243 Jy ! Component: 3400 - total flux cleaned = 0.00665145 Jy ! Component: 3450 - total flux cleaned = 0.00674655 Jy ! Component: 3500 - total flux cleaned = 0.00678448 Jy ! Component: 3550 - total flux cleaned = 0.00685961 Jy ! Component: 3600 - total flux cleaned = 0.00689699 Jy ! Component: 3650 - total flux cleaned = 0.00697149 Jy ! Component: 3700 - total flux cleaned = 0.00691578 Jy ! Component: 3750 - total flux cleaned = 0.00708226 Jy ! Component: 3800 - total flux cleaned = 0.00715584 Jy ! Component: 3850 - total flux cleaned = 0.00719247 Jy ! Component: 3900 - total flux cleaned = 0.00728382 Jy ! Component: 3950 - total flux cleaned = 0.0073383 Jy ! Component: 4000 - total flux cleaned = 0.00744706 Jy ! Component: 4050 - total flux cleaned = 0.00751928 Jy ! Total flux subtracted in 4096 components = 0.00757326 Jy ! Clean residual min=-0.000954 max=0.001043 Jy/beam ! Clean residual mean=0.000000 rms=0.000312 Jy/beam ! Combined flux in latest and established models = 0.16621 Jy keep ! Adding 270 model components to the UV plane model. ! The established model now contains 379 components and 0.16621 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2157-1807_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8514 x 2.299 at 2.612 degrees (North through East) ! Clean map min=-0.0035447 max=0.076799 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2157-1807_X_map.fits wmodel /vlbi/uf001/uva//J2157-1807_X_map.mod ! Writing 379 model components to file: /vlbi/uf001/uva//J2157-1807_X_map.mod wobs /vlbi/uf001/uva//J2157-1807_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2157-1807_X_uvs.fits wwins /vlbi/uf001/uva//J2157-1807_X_map.win ! wwins: Wrote 6 windows to /vlbi/uf001/uva//J2157-1807_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0767992 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000311547 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.217 1.217 2.43399 4.86798 9.73596 19.4719 38.9438 77.8877 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0009 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.076 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 246.508 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2157-1807_X_dfm.log closed on Mon Jan 14 06:04:20 2019