! Started logfile: /vlbi/uf001/uva//J1921+4506_X_dfm.log on Mon Jan 14 05:02:07 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//J1921+4506_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1921+4506_X_uva.fits ! AN table 1: 72 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.916667 visibilities/baseline/integration-bin. ! Found source: J1921+4506 ! ! 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 35640 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 J1921+4506_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 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.012925Jy sigma=23.020045 ! Fit after self-cal, rms=0.885095Jy sigma=20.334278 ! 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=0.7584 mas, bmaj=1.114 mas, bpa=-14.29 degrees ! Estimated noise=0.372868 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 = 0.0822359 Jy ! Component: 100 - total flux cleaned = 0.100918 Jy ! Total flux subtracted in 100 components = 0.100918 Jy ! Clean residual min=-0.004643 max=0.007997 Jy/beam ! Clean residual mean=0.000003 rms=0.001031 Jy/beam ! Combined flux in latest and established models = 0.100917 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.100917 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=0.081327Jy sigma=1.326169 ! Fit after self-cal, rms=0.081294Jy sigma=1.325177 ! Inverting map ! Added new window around map position (-3, 0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00852205 Jy ! Component: 100 - total flux cleaned = 0.0138243 Jy ! Total flux subtracted in 100 components = 0.0138243 Jy ! Clean residual min=-0.004223 max=0.004541 Jy/beam ! Clean residual mean=0.000003 rms=0.000915 Jy/beam ! Combined flux in latest and established models = 0.114742 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 18 components and 0.114742 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=0.079270Jy sigma=1.289905 ! Fit after self-cal, rms=0.079238Jy sigma=1.289230 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.011 mas, bmaj=1.425 mas, bpa=-9.499 degrees ! Estimated noise=0.169523 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 = 0.0071221 Jy ! Component: 100 - total flux cleaned = 0.0115728 Jy ! Component: 150 - total flux cleaned = 0.014606 Jy ! Component: 200 - total flux cleaned = 0.0167616 Jy ! Total flux subtracted in 200 components = 0.0167616 Jy ! Clean residual min=-0.004975 max=0.005261 Jy/beam ! Clean residual mean=0.000012 rms=0.001169 Jy/beam ! Combined flux in latest and established models = 0.131503 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 46 components and 0.131503 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=0.077791Jy sigma=1.274846 ! Fit after self-cal, rms=0.077773Jy sigma=1.273954 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.011 x 1.425 at -9.499 degrees (North through East) ! Clean map min=-0.0046543 max=0.10975 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.99 HN 0.95 KP 0.99 ! LA 0.98 MK 1.03 NL 1.11 OV 1.03 ! PT 0.92 SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 0.98 HN 0.97 KP 0.98 ! LA 0.95 MK 1.07 NL 1.10 OV 1.06 ! PT 0.90 SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.00 HN 0.96 KP 1.01 ! LA 0.98 MK 1.03 NL 1.11 OV 1.03 ! PT 0.89 SC 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 0.99 HN 0.94 KP 0.97 ! LA 0.96 MK 1.03 NL 1.11 OV 1.06 ! PT 0.91 SC 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 0.99 HN 0.93 KP 0.98 ! LA 0.93 MK 1.03 NL 1.17 OV 1.04 ! PT 0.92 SC 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 0.96 HN 0.95 KP 1.00 ! LA 0.98 MK 1.00 NL 1.12 OV 1.04 ! PT 0.90 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 0.96 HN 0.96 KP 1.01 ! LA 0.96 MK 1.04 NL 1.13 OV 1.00 ! PT 0.88 SC 0.97 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 0.97 HN 0.96 KP 0.98 ! LA 0.95 MK 1.01 NL 1.14 OV 1.02 ! PT 0.91 SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 0.99 HN 0.97 KP 0.97 ! LA 0.94 MK 1.05 NL 1.13 OV 1.02 ! PT 0.90 SC 1.00 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.00 HN 0.94 KP 0.98 ! LA 0.96 MK 1.04 NL 1.12 OV 1.04 ! PT 0.90 SC 0.99 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.01 HN 0.97 KP 0.97 ! LA 0.98 MK 1.02 NL 1.12 OV 1.09 ! PT 0.89 SC 0.96 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.98 HN 0.96 KP 0.98 ! LA 0.94 MK 1.05 NL 1.10 OV 1.07 ! PT 0.91 SC 1.05 ! ! ! Fit before self-cal, rms=0.077773Jy sigma=1.273954 ! Fit after self-cal, rms=0.076613Jy sigma=1.249449 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.014 mas, bmaj=1.431 mas, bpa=-9.14 degrees ! Estimated noise=0.172164 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 = 0.00161951 Jy ! Component: 100 - total flux cleaned = 0.00166897 Jy ! Component: 150 - total flux cleaned = 0.00170645 Jy ! Component: 200 - total flux cleaned = 0.0017407 Jy ! Total flux subtracted in 200 components = 0.0017407 Jy ! Clean residual min=-0.003823 max=0.004935 Jy/beam ! Clean residual mean=0.000008 rms=0.001028 Jy/beam ! Combined flux in latest and established models = 0.133244 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 50 components and 0.133244 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=0.076413Jy sigma=1.248984 ! Fit after self-cal, rms=0.076423Jy sigma=1.248613 ! 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=0.076423Jy sigma=1.248613 ! Fit after self-cal, rms=0.057479Jy sigma=1.192156 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.013 mas, bmaj=1.439 mas, bpa=-8.822 degrees ! Estimated noise=0.171217 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00161178 Jy ! Component: 100 - total flux cleaned = 0.00221941 Jy ! Component: 150 - total flux cleaned = 0.00222045 Jy ! Component: 200 - total flux cleaned = 0.00219824 Jy ! Total flux subtracted in 200 components = 0.00219824 Jy ! Clean residual min=-0.001596 max=0.005350 Jy/beam ! Clean residual mean=0.000000 rms=0.000524 Jy/beam ! Combined flux in latest and established models = 0.135442 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 59 components and 0.135442 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=0.057435Jy sigma=1.190876 ! Fit after self-cal, rms=0.057424Jy sigma=1.190253 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 (-4.6, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00514159 Jy ! Component: 100 - total flux cleaned = 0.00753479 Jy ! Component: 150 - total flux cleaned = 0.00773991 Jy ! Component: 200 - total flux cleaned = 0.00759202 Jy ! Total flux subtracted in 200 components = 0.00759202 Jy ! Clean residual min=-0.001473 max=0.001806 Jy/beam ! Clean residual mean=-0.000001 rms=0.000360 Jy/beam ! Combined flux in latest and established models = 0.143034 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 82 components and 0.143034 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=0.056975Jy sigma=1.179868 ! Fit after self-cal, rms=0.056905Jy sigma=1.178566 ! Inverting map ! Added new window around map position (-7, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00188615 Jy ! Component: 100 - total flux cleaned = 0.00203718 Jy ! Component: 150 - total flux cleaned = 0.00203476 Jy ! Component: 200 - total flux cleaned = 0.00203545 Jy ! Total flux subtracted in 200 components = 0.00203545 Jy ! Clean residual min=-0.001318 max=0.001520 Jy/beam ! Clean residual mean=-0.000002 rms=0.000317 Jy/beam ! Combined flux in latest and established models = 0.14507 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 94 components and 0.14507 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=0.056821Jy sigma=1.176748 ! Fit after self-cal, rms=0.056809Jy sigma=1.176556 ! Inverting map ! Added new window around map position (-10.4, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0014521 Jy ! Component: 100 - total flux cleaned = 0.00188676 Jy ! Component: 150 - total flux cleaned = 0.00203843 Jy ! Component: 200 - total flux cleaned = 0.00206586 Jy ! Total flux subtracted in 200 components = 0.00206586 Jy ! Clean residual min=-0.001223 max=0.001211 Jy/beam ! Clean residual mean=-0.000002 rms=0.000295 Jy/beam ! Combined flux in latest and established models = 0.147136 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 113 components and 0.147136 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=0.056759Jy sigma=1.175500 ! Fit after self-cal, rms=0.056755Jy sigma=1.175457 ! 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=0.056755Jy sigma=1.175457 ! Fit after self-cal, rms=0.056470Jy sigma=1.173623 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.012 mas, bmaj=1.438 mas, bpa=-8.945 degrees ! Estimated noise=0.171019 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0014584 Jy ! Component: 100 - total flux cleaned = 0.0022314 Jy ! Component: 150 - total flux cleaned = 0.00257397 Jy ! Component: 200 - total flux cleaned = 0.00263857 Jy ! Total flux subtracted in 200 components = 0.00263857 Jy ! Clean residual min=-0.000990 max=0.001065 Jy/beam ! Clean residual mean=-0.000002 rms=0.000229 Jy/beam ! Combined flux in latest and established models = 0.149774 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 131 components and 0.149774 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=0.056425Jy sigma=1.172698 ! Fit after self-cal, rms=0.056416Jy sigma=1.172587 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 (-1.2, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000669692 Jy ! Component: 100 - total flux cleaned = 0.000669467 Jy ! Component: 150 - total flux cleaned = 0.000670259 Jy ! Component: 200 - total flux cleaned = 0.000670788 Jy ! Total flux subtracted in 200 components = 0.000670788 Jy ! Clean residual min=-0.000916 max=0.000892 Jy/beam ! Clean residual mean=-0.000002 rms=0.000217 Jy/beam ! Combined flux in latest and established models = 0.150445 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 146 components and 0.150445 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=0.056392Jy sigma=1.172091 ! Fit after self-cal, rms=0.056389Jy sigma=1.172056 ! 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=0.056389Jy sigma=1.172056 ! Fit after self-cal, rms=0.056404Jy sigma=1.171853 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.302 mas, bmaj=2.514 mas, bpa=-12.84 degrees ! Estimated noise=0.215536 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000858384 Jy ! Component: 100 - total flux cleaned = 0.00106452 Jy ! Component: 150 - total flux cleaned = 0.00123452 Jy ! Component: 200 - total flux cleaned = 0.001291 Jy ! Total flux subtracted in 200 components = 0.001291 Jy ! Clean residual min=-0.000901 max=0.001136 Jy/beam ! Clean residual mean=-0.000003 rms=0.000263 Jy/beam ! Combined flux in latest and established models = 0.151736 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 166 components and 0.151736 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=0.056391Jy sigma=1.171594 ! Fit after self-cal, rms=0.056386Jy sigma=1.171543 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 (-39, -47.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00108651 Jy ! Component: 100 - total flux cleaned = 0.00135794 Jy ! Component: 150 - total flux cleaned = 0.00128844 Jy ! Component: 200 - total flux cleaned = 0.00127366 Jy ! Total flux subtracted in 200 components = 0.00127366 Jy ! Clean residual min=-0.000855 max=0.000809 Jy/beam ! Clean residual mean=-0.000004 rms=0.000229 Jy/beam ! Combined flux in latest and established models = 0.15301 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 200 components and 0.15301 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=0.056375Jy sigma=1.171283 ! Fit after self-cal, rms=0.056375Jy sigma=1.171248 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=1.01 mas, bmaj=1.438 mas, bpa=-9.043 degrees ! Estimated noise=0.171225 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.01 x 1.438 at -9.043 degrees (North through East) ! Clean map min=-0.00079409 max=0.10985 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=0.7601 mas, bmaj=1.125 mas, bpa=-13.77 degrees ! Estimated noise=0.379935 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0836519 Jy ! Component: 100 - total flux cleaned = 0.102967 Jy ! Component: 150 - total flux cleaned = 0.111736 Jy ! Component: 200 - total flux cleaned = 0.118075 Jy ! Total flux subtracted in 200 components = 0.118075 Jy ! Clean residual min=-0.002863 max=0.003699 Jy/beam ! Clean residual mean=0.000000 rms=0.000599 Jy/beam ! Combined flux in latest and established models = 0.118075 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 19 model components to the UV plane model. ! The established model now contains 19 components and 0.118075 Jy ! Inverting map and beam ! Estimated beam: bmin=1.01 mas, bmaj=1.438 mas, bpa=-9.043 degrees ! Estimated noise=0.171225 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 = 0.00827101 Jy ! Component: 100 - total flux cleaned = 0.0139569 Jy ! Component: 150 - total flux cleaned = 0.0181313 Jy ! Component: 200 - total flux cleaned = 0.0212919 Jy ! Total flux subtracted in 200 components = 0.0212919 Jy ! Clean residual min=-0.001189 max=0.001835 Jy/beam ! Clean residual mean=0.000001 rms=0.000345 Jy/beam ! Combined flux in latest and established models = 0.139367 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 55 components and 0.139367 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00240975 Jy ! Component: 100 - total flux cleaned = 0.00430568 Jy ! Component: 150 - total flux cleaned = 0.00585908 Jy ! Component: 200 - total flux cleaned = 0.00717968 Jy ! Total flux subtracted in 200 components = 0.00717968 Jy ! Clean residual min=-0.000971 max=0.000963 Jy/beam ! Clean residual mean=-0.000000 rms=0.000237 Jy/beam ! Combined flux in latest and established models = 0.146546 Jy ! Adding 53 model components to the UV plane model. ! The established model now contains 90 components and 0.146546 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=2.302 mas, bmaj=2.514 mas, bpa=-12.84 degrees ! Estimated noise=0.215536 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00187187 Jy ! Component: 100 - total flux cleaned = 0.00315989 Jy ! Component: 150 - total flux cleaned = 0.0041168 Jy ! Component: 200 - total flux cleaned = 0.0048581 Jy ! Total flux subtracted in 200 components = 0.0048581 Jy ! Clean residual min=-0.000868 max=0.000876 Jy/beam ! Clean residual mean=-0.000004 rms=0.000243 Jy/beam ! Combined flux in latest and established models = 0.151405 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 = 0.000521748 Jy ! Component: 100 - total flux cleaned = 0.000814789 Jy ! Component: 150 - total flux cleaned = 0.000951039 Jy ! Component: 200 - total flux cleaned = 0.00102719 Jy ! Total flux subtracted in 200 components = 0.00102719 Jy ! Clean residual min=-0.000817 max=0.000773 Jy/beam ! Clean residual mean=-0.000004 rms=0.000227 Jy/beam ! Combined flux in latest and established models = 0.152432 Jy ! Adding 115 model components to the UV plane model. ! The established model now contains 186 components and 0.152432 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.01 mas, bmaj=1.438 mas, bpa=-9.043 degrees ! Estimated noise=0.171225 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.82805e-05 Jy ! Component: 100 - total flux cleaned = 7.02379e-05 Jy ! Component: 150 - total flux cleaned = 3.19215e-05 Jy ! Component: 200 - total flux cleaned = 6.72442e-05 Jy ! Total flux subtracted in 200 components = 6.72442e-05 Jy ! Clean residual min=-0.000804 max=0.000792 Jy/beam ! Clean residual mean=-0.000002 rms=0.000187 Jy/beam ! Combined flux in latest and established models = 0.152499 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 219 components and 0.152499 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=0.056368Jy sigma=1.171097 ! Fit after self-cal, rms=0.056364Jy sigma=1.171001 wmodel J1921+4506_X_map.mod ! Writing 219 model components to file: J1921+4506_X_map.mod wobs J1921+4506_X_uvs.fits ! Writing UV FITS file: J1921+4506_X_uvs.fits wwins J1921+4506_X_map.win ! wwins: Wrote 7 windows to J1921+4506_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 = -0.000162967 Jy ! Component: 100 - total flux cleaned = -0.000393572 Jy ! Component: 150 - total flux cleaned = -0.000576262 Jy ! Component: 200 - total flux cleaned = -0.000690217 Jy ! Component: 250 - total flux cleaned = -0.000801802 Jy ! Component: 300 - total flux cleaned = -0.000910948 Jy ! Component: 350 - total flux cleaned = -0.000994124 Jy ! Component: 400 - total flux cleaned = -0.0010875 Jy ! Component: 450 - total flux cleaned = -0.00117931 Jy ! Component: 500 - total flux cleaned = -0.00122453 Jy ! Component: 550 - total flux cleaned = -0.00129155 Jy ! Component: 600 - total flux cleaned = -0.00136846 Jy ! Component: 650 - total flux cleaned = -0.00143318 Jy ! Component: 700 - total flux cleaned = -0.0014865 Jy ! Component: 750 - total flux cleaned = -0.00153921 Jy ! Component: 800 - total flux cleaned = -0.0015706 Jy ! Component: 850 - total flux cleaned = -0.0016632 Jy ! Component: 900 - total flux cleaned = -0.00172414 Jy ! Component: 950 - total flux cleaned = -0.00175426 Jy ! Component: 1000 - total flux cleaned = -0.00184366 Jy ! Component: 1050 - total flux cleaned = -0.00187301 Jy ! Component: 1100 - total flux cleaned = -0.00190223 Jy ! Component: 1150 - total flux cleaned = -0.0019697 Jy ! Component: 1200 - total flux cleaned = -0.00195063 Jy ! Component: 1250 - total flux cleaned = -0.00201677 Jy ! Component: 1300 - total flux cleaned = -0.00201684 Jy ! Component: 1350 - total flux cleaned = -0.0020726 Jy ! Component: 1400 - total flux cleaned = -0.00209107 Jy ! Component: 1450 - total flux cleaned = -0.00215496 Jy ! Component: 1500 - total flux cleaned = -0.00219105 Jy ! Component: 1550 - total flux cleaned = -0.0021999 Jy ! Component: 1600 - total flux cleaned = -0.00220876 Jy ! Component: 1650 - total flux cleaned = -0.00222655 Jy ! Component: 1700 - total flux cleaned = -0.0022354 Jy ! Component: 1750 - total flux cleaned = -0.00224414 Jy ! Component: 1800 - total flux cleaned = -0.00226132 Jy ! Component: 1850 - total flux cleaned = -0.00226135 Jy ! Component: 1900 - total flux cleaned = -0.00226977 Jy ! Component: 1950 - total flux cleaned = -0.00226976 Jy ! Component: 2000 - total flux cleaned = -0.00226976 Jy ! Component: 2050 - total flux cleaned = -0.00228641 Jy ! Component: 2100 - total flux cleaned = -0.00230294 Jy ! Component: 2150 - total flux cleaned = -0.00233577 Jy ! Component: 2200 - total flux cleaned = -0.00233578 Jy ! Component: 2250 - total flux cleaned = -0.00235201 Jy ! Component: 2300 - total flux cleaned = -0.00237613 Jy ! Component: 2350 - total flux cleaned = -0.00234421 Jy ! Component: 2400 - total flux cleaned = -0.00236799 Jy ! Component: 2450 - total flux cleaned = -0.00239163 Jy ! Component: 2500 - total flux cleaned = -0.00237603 Jy ! Component: 2550 - total flux cleaned = -0.00238378 Jy ! Component: 2600 - total flux cleaned = -0.0023605 Jy ! Component: 2650 - total flux cleaned = -0.0023451 Jy ! Component: 2700 - total flux cleaned = -0.00236811 Jy ! Component: 2750 - total flux cleaned = -0.00233015 Jy ! Component: 2800 - total flux cleaned = -0.00233774 Jy ! Component: 2850 - total flux cleaned = -0.00237532 Jy ! Component: 2900 - total flux cleaned = -0.00239017 Jy ! Component: 2950 - total flux cleaned = -0.0023752 Jy ! Component: 3000 - total flux cleaned = -0.00237519 Jy ! Component: 3050 - total flux cleaned = -0.00240458 Jy ! Component: 3100 - total flux cleaned = -0.00238263 Jy ! Component: 3150 - total flux cleaned = -0.00237532 Jy ! Component: 3200 - total flux cleaned = -0.00238985 Jy ! Component: 3250 - total flux cleaned = -0.00239706 Jy ! Component: 3300 - total flux cleaned = -0.00237553 Jy ! Component: 3350 - total flux cleaned = -0.00236837 Jy ! Component: 3400 - total flux cleaned = -0.00236126 Jy ! Component: 3450 - total flux cleaned = -0.00236835 Jy ! Component: 3500 - total flux cleaned = -0.00236836 Jy ! Component: 3550 - total flux cleaned = -0.00237526 Jy ! Component: 3600 - total flux cleaned = -0.00238217 Jy ! Component: 3650 - total flux cleaned = -0.00234764 Jy ! Component: 3700 - total flux cleaned = -0.00235451 Jy ! Component: 3750 - total flux cleaned = -0.00232034 Jy ! Component: 3800 - total flux cleaned = -0.00236795 Jy ! Component: 3850 - total flux cleaned = -0.00236117 Jy ! Component: 3900 - total flux cleaned = -0.00234092 Jy ! Component: 3950 - total flux cleaned = -0.00232078 Jy ! Component: 4000 - total flux cleaned = -0.00232077 Jy ! Component: 4050 - total flux cleaned = -0.00229415 Jy ! Total flux subtracted in 4096 components = -0.00230737 Jy ! Clean residual min=-0.000443 max=0.000413 Jy/beam ! Clean residual mean=-0.000001 rms=0.000112 Jy/beam ! Combined flux in latest and established models = 0.150192 Jy keep ! Adding 344 model components to the UV plane model. ! The established model now contains 563 components and 0.150192 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1921+4506_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.01 x 1.438 at -9.043 degrees (North through East) ! Clean map min=-0.00065613 max=0.10921 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1921+4506_X_map.fits wmodel /vlbi/uf001/uva//J1921+4506_X_map.mod ! Writing 563 model components to file: /vlbi/uf001/uva//J1921+4506_X_map.mod wobs /vlbi/uf001/uva//J1921+4506_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1921+4506_X_uvs.fits wwins /vlbi/uf001/uva//J1921+4506_X_map.win ! wwins: Wrote 8 windows to /vlbi/uf001/uva//J1921+4506_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.109209 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000112286 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.308454 0.308454 0.616908 1.23382 2.46763 4.93526 9.87052 19.741 39.4821 78.9642 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.109 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 972.592 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1921+4506_X_dfm.log closed on Mon Jan 14 05:02:13 2019