! Started logfile: /vlbi/uf001/uva//J1220+3808_X_dfm.log on Mon Jan 14 01:48:30 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//J1220+3808_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1220+3808_X_uva.fits ! AN table 1: 60 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.604444 visibilities/baseline/integration-bin. ! Found source: J1220+3808 ! ! 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 19584 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 J1220+3808_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 272 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 272 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 272 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 272 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 272 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 272 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 272 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 272 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 272 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 272 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 272 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 272 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.029105Jy sigma=22.912376 ! Fit after self-cal, rms=0.759161Jy sigma=16.847951 ! 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=0.7654 mas, bmaj=1.174 mas, bpa=-4.789 degrees ! Estimated noise=0.439458 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 = 0.185451 Jy ! Component: 100 - total flux cleaned = 0.227178 Jy ! Total flux subtracted in 100 components = 0.227178 Jy ! Clean residual min=-0.007759 max=0.014659 Jy/beam ! Clean residual mean=-0.000010 rms=0.001651 Jy/beam ! Combined flux in latest and established models = 0.227178 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.227178 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=0.070064Jy sigma=1.521645 ! Fit after self-cal, rms=0.070060Jy sigma=1.521573 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0147507 Jy ! Component: 100 - total flux cleaned = 0.0216366 Jy ! Total flux subtracted in 100 components = 0.0216366 Jy ! Clean residual min=-0.006587 max=0.007086 Jy/beam ! Clean residual mean=-0.000008 rms=0.001401 Jy/beam ! Combined flux in latest and established models = 0.248814 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 11 components and 0.248815 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=0.066287Jy sigma=1.411603 ! Fit after self-cal, rms=0.066288Jy sigma=1.411550 ! 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=0.964 mas, bmaj=1.451 mas, bpa=-3.556 degrees ! Estimated noise=0.254328 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 (-1.2, 1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0107148 Jy ! Component: 100 - total flux cleaned = 0.0175772 Jy ! Component: 150 - total flux cleaned = 0.0215964 Jy ! Component: 200 - total flux cleaned = 0.0237805 Jy ! Total flux subtracted in 200 components = 0.0237805 Jy ! Clean residual min=-0.007446 max=0.007008 Jy/beam ! Clean residual mean=-0.000027 rms=0.001582 Jy/beam ! Combined flux in latest and established models = 0.272595 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 45 components and 0.272595 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=0.064562Jy sigma=1.356070 ! Fit after self-cal, rms=0.064470Jy sigma=1.353492 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.964 x 1.451 at -3.556 degrees (North through East) ! Clean map min=-0.0072307 max=0.24289 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.04 HN 0.97 KP 1.05 ! LA 0.85 MK 1.05 NL 0.98 OV 0.97 ! PT 0.98 SC 0.93 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.04 HN 0.97 KP 1.05 ! LA 0.85 MK 1.03 NL 0.98 OV 0.96 ! PT 0.99 SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.07 HN 0.96 KP 1.07 ! LA 0.86 MK 1.03 NL 1.00 OV 0.96 ! PT 0.98 SC 0.95 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.05 HN 0.99 KP 1.06 ! LA 0.84 MK 1.04 NL 0.98 OV 0.97 ! PT 0.98 SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.05 HN 0.97 KP 1.08 ! LA 0.85 MK 1.02 NL 0.98 OV 0.95 ! PT 1.04 SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.06 HN 0.98 KP 1.08 ! LA 0.84 MK 1.06 NL 0.99 OV 0.97 ! PT 0.97 SC 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.07 HN 1.00 KP 1.08 ! LA 0.82 MK 1.05 NL 0.99 OV 0.97 ! PT 0.98 SC 0.96 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.05 HN 0.97 KP 1.07 ! LA 0.86 MK 1.04 NL 0.98 OV 0.97 ! PT 1.00 SC 0.96 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.04 HN 1.00 KP 1.09 ! LA 0.83 MK 1.03 NL 0.98 OV 0.95 ! PT 0.99 SC 0.94 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.06 HN 0.96 KP 1.08 ! LA 0.84 MK 1.04 NL 1.00 OV 0.96 ! PT 0.98 SC 0.97 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.05 HN 1.01 KP 1.08 ! LA 0.83 MK 1.04 NL 0.99 OV 0.98 ! PT 0.99 SC 0.94 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.06 HN 0.99 KP 1.06 ! LA 0.85 MK 1.05 NL 0.99 OV 0.96 ! PT 1.01 SC 0.92 ! ! ! Fit before self-cal, rms=0.064470Jy sigma=1.353492 ! Fit after self-cal, rms=0.059098Jy sigma=1.206948 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9681 mas, bmaj=1.463 mas, bpa=-2.874 degrees ! Estimated noise=0.252617 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 = -0.00237032 Jy ! Component: 100 - total flux cleaned = -0.00322709 Jy ! Component: 150 - total flux cleaned = -0.00356461 Jy ! Component: 200 - total flux cleaned = -0.00368531 Jy ! Total flux subtracted in 200 components = -0.00368531 Jy ! Clean residual min=-0.002729 max=0.002695 Jy/beam ! Clean residual mean=-0.000007 rms=0.000636 Jy/beam ! Combined flux in latest and established models = 0.26891 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 59 components and 0.26891 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=0.058948Jy sigma=1.204703 ! Fit after self-cal, rms=0.059050Jy sigma=1.204064 ! 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=0.059050Jy sigma=1.204064 ! Fit after self-cal, rms=0.059435Jy sigma=1.181072 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9684 mas, bmaj=1.464 mas, bpa=-3.256 degrees ! Estimated noise=0.252884 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000819663 Jy ! Component: 100 - total flux cleaned = -0.000782621 Jy ! Component: 150 - total flux cleaned = -0.000780977 Jy ! Component: 200 - total flux cleaned = -0.000779753 Jy ! Total flux subtracted in 200 components = -0.000779753 Jy ! Clean residual min=-0.001351 max=0.001850 Jy/beam ! Clean residual mean=-0.000003 rms=0.000328 Jy/beam ! Combined flux in latest and established models = 0.26813 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 67 components and 0.26813 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=0.059393Jy sigma=1.180123 ! Fit after self-cal, rms=0.059419Jy sigma=1.179966 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 (-7.8, 6.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00166177 Jy ! Component: 100 - total flux cleaned = 0.00217756 Jy ! Component: 150 - total flux cleaned = 0.00237064 Jy ! Component: 200 - total flux cleaned = 0.00256395 Jy ! Total flux subtracted in 200 components = 0.00256395 Jy ! Clean residual min=-0.001295 max=0.001222 Jy/beam ! Clean residual mean=-0.000002 rms=0.000298 Jy/beam ! Combined flux in latest and established models = 0.270694 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 82 components and 0.270694 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=0.059369Jy sigma=1.178637 ! Fit after self-cal, rms=0.059367Jy sigma=1.178585 ! 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=0.059367Jy sigma=1.178585 ! Fit after self-cal, rms=0.059396Jy sigma=1.178353 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9682 mas, bmaj=1.464 mas, bpa=-3.237 degrees ! Estimated noise=0.252786 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.52901e-05 Jy ! Component: 100 - total flux cleaned = 6.28968e-05 Jy ! Component: 150 - total flux cleaned = 0.000129493 Jy ! Component: 200 - total flux cleaned = 0.000190598 Jy ! Total flux subtracted in 200 components = 0.000190598 Jy ! Clean residual min=-0.001251 max=0.001144 Jy/beam ! Clean residual mean=-0.000001 rms=0.000285 Jy/beam ! Combined flux in latest and established models = 0.270885 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 89 components and 0.270885 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=0.059377Jy sigma=1.177912 ! Fit after self-cal, rms=0.059377Jy sigma=1.177895 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 = -2.86213e-05 Jy ! Component: 100 - total flux cleaned = 7.20473e-06 Jy ! Component: 150 - total flux cleaned = 4.14346e-05 Jy ! Component: 200 - total flux cleaned = 5.78908e-05 Jy ! Total flux subtracted in 200 components = 5.78908e-05 Jy ! Clean residual min=-0.001267 max=0.001124 Jy/beam ! Clean residual mean=-0.000001 rms=0.000282 Jy/beam ! Combined flux in latest and established models = 0.270942 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 99 components and 0.270942 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=0.059367Jy sigma=1.177685 ! Fit after self-cal, rms=0.059366Jy sigma=1.177679 ! 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=0.059366Jy sigma=1.177679 ! Fit after self-cal, rms=0.059397Jy sigma=1.177620 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.31 mas, bmaj=2.491 mas, bpa=9.81 degrees ! Estimated noise=0.320378 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000276195 Jy ! Component: 100 - total flux cleaned = 0.000259572 Jy ! Component: 150 - total flux cleaned = 0.000296291 Jy ! Component: 200 - total flux cleaned = 0.000316087 Jy ! Total flux subtracted in 200 components = 0.000316087 Jy ! Clean residual min=-0.001099 max=0.001342 Jy/beam ! Clean residual mean=-0.000000 rms=0.000337 Jy/beam ! Combined flux in latest and established models = 0.271259 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 109 components and 0.271258 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=0.059392Jy sigma=1.177509 ! Fit after self-cal, rms=0.059392Jy sigma=1.177500 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 = 4.61993e-05 Jy ! Component: 100 - total flux cleaned = 6.10437e-05 Jy ! Component: 150 - total flux cleaned = 7.47084e-05 Jy ! Component: 200 - total flux cleaned = 8.72523e-05 Jy ! Total flux subtracted in 200 components = 8.72523e-05 Jy ! Clean residual min=-0.001100 max=0.001341 Jy/beam ! Clean residual mean=-0.000000 rms=0.000334 Jy/beam ! Combined flux in latest and established models = 0.271346 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 115 components and 0.271346 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=0.059390Jy sigma=1.177470 ! Fit after self-cal, rms=0.059390Jy sigma=1.177471 ! 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=0.9681 mas, bmaj=1.465 mas, bpa=-3.241 degrees ! Estimated noise=0.252831 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9681 x 1.465 at -3.241 degrees (North through East) ! Clean map min=-0.0011222 max=0.24192 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=0.7665 mas, bmaj=1.179 mas, bpa=-4.442 degrees ! Estimated noise=0.441185 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.186139 Jy ! Component: 100 - total flux cleaned = 0.228012 Jy ! Component: 150 - total flux cleaned = 0.242645 Jy ! Component: 200 - total flux cleaned = 0.249319 Jy ! Total flux subtracted in 200 components = 0.249319 Jy ! Clean residual min=-0.002934 max=0.003395 Jy/beam ! Clean residual mean=-0.000003 rms=0.000638 Jy/beam ! Combined flux in latest and established models = 0.249319 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 10 model components to the UV plane model. ! The established model now contains 10 components and 0.249319 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9681 mas, bmaj=1.465 mas, bpa=-3.241 degrees ! Estimated noise=0.252831 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 = 0.00589474 Jy ! Component: 100 - total flux cleaned = 0.00950075 Jy ! Component: 150 - total flux cleaned = 0.0121063 Jy ! Component: 200 - total flux cleaned = 0.0141153 Jy ! Total flux subtracted in 200 components = 0.0141153 Jy ! Clean residual min=-0.001371 max=0.001436 Jy/beam ! Clean residual mean=-0.000004 rms=0.000332 Jy/beam ! Combined flux in latest and established models = 0.263434 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 34 components and 0.263434 Jy ! Inverting map ! Added new window around map position (-19, -25). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00165232 Jy ! Component: 100 - total flux cleaned = 0.00296283 Jy ! Component: 150 - total flux cleaned = 0.00403737 Jy ! Component: 200 - total flux cleaned = 0.00493536 Jy ! Total flux subtracted in 200 components = 0.00493536 Jy ! Clean residual min=-0.001271 max=0.001213 Jy/beam ! Clean residual mean=-0.000002 rms=0.000288 Jy/beam ! Combined flux in latest and established models = 0.26837 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 53 components and 0.26837 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=2.31 mas, bmaj=2.491 mas, bpa=9.81 degrees ! Estimated noise=0.320378 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00100493 Jy ! Component: 100 - total flux cleaned = 0.00174234 Jy ! Component: 150 - total flux cleaned = 0.00232356 Jy ! Component: 200 - total flux cleaned = 0.0026619 Jy ! Total flux subtracted in 200 components = 0.0026619 Jy ! Clean residual min=-0.001101 max=0.001327 Jy/beam ! Clean residual mean=-0.000001 rms=0.000331 Jy/beam ! Combined flux in latest and established models = 0.271032 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 = 0.000263389 Jy ! Component: 100 - total flux cleaned = 0.000470083 Jy ! Component: 150 - total flux cleaned = 0.00060378 Jy ! Component: 200 - total flux cleaned = 0.000663804 Jy ! Total flux subtracted in 200 components = 0.000663804 Jy ! Clean residual min=-0.001100 max=0.001296 Jy/beam ! Clean residual mean=-0.000001 rms=0.000323 Jy/beam ! Combined flux in latest and established models = 0.271695 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 89 components and 0.271695 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9681 mas, bmaj=1.465 mas, bpa=-3.241 degrees ! Estimated noise=0.252831 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000239708 Jy ! Component: 100 - total flux cleaned = -0.000262559 Jy ! Component: 150 - total flux cleaned = -0.000221099 Jy ! Component: 200 - total flux cleaned = -0.000200947 Jy ! Total flux subtracted in 200 components = -0.000200947 Jy ! Clean residual min=-0.001203 max=0.001064 Jy/beam ! Clean residual mean=-0.000001 rms=0.000272 Jy/beam ! Combined flux in latest and established models = 0.271495 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 105 components and 0.271495 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=0.059382Jy sigma=1.177277 ! Fit after self-cal, rms=0.059376Jy sigma=1.177204 wmodel J1220+3808_X_map.mod ! Writing 105 model components to file: J1220+3808_X_map.mod wobs J1220+3808_X_uvs.fits ! Writing UV FITS file: J1220+3808_X_uvs.fits wwins J1220+3808_X_map.win ! wwins: Wrote 4 windows to J1220+3808_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 = -0.000439133 Jy ! Component: 100 - total flux cleaned = -0.000559953 Jy ! Component: 150 - total flux cleaned = -0.000656733 Jy ! Component: 200 - total flux cleaned = -0.000732367 Jy ! Component: 250 - total flux cleaned = -0.000824919 Jy ! Component: 300 - total flux cleaned = -0.000951444 Jy ! Component: 350 - total flux cleaned = -0.00107552 Jy ! Component: 400 - total flux cleaned = -0.00116267 Jy ! Component: 450 - total flux cleaned = -0.00126532 Jy ! Component: 500 - total flux cleaned = -0.00133278 Jy ! Component: 550 - total flux cleaned = -0.00141577 Jy ! Component: 600 - total flux cleaned = -0.00151371 Jy ! Component: 650 - total flux cleaned = -0.00160989 Jy ! Component: 700 - total flux cleaned = -0.00168895 Jy ! Component: 750 - total flux cleaned = -0.00176662 Jy ! Component: 800 - total flux cleaned = -0.00181274 Jy ! Component: 850 - total flux cleaned = -0.00184274 Jy ! Component: 900 - total flux cleaned = -0.00187256 Jy ! Component: 950 - total flux cleaned = -0.00190225 Jy ! Component: 1000 - total flux cleaned = -0.00191666 Jy ! Component: 1050 - total flux cleaned = -0.0019456 Jy ! Component: 1100 - total flux cleaned = -0.00198844 Jy ! Component: 1150 - total flux cleaned = -0.0019885 Jy ! Component: 1200 - total flux cleaned = -0.00200279 Jy ! Component: 1250 - total flux cleaned = -0.00208655 Jy ! Component: 1300 - total flux cleaned = -0.00210043 Jy ! Component: 1350 - total flux cleaned = -0.00212789 Jy ! Component: 1400 - total flux cleaned = -0.00211442 Jy ! Component: 1450 - total flux cleaned = -0.00211464 Jy ! Component: 1500 - total flux cleaned = -0.00218125 Jy ! Component: 1550 - total flux cleaned = -0.00220769 Jy ! Component: 1600 - total flux cleaned = -0.00216815 Jy ! Component: 1650 - total flux cleaned = -0.00220715 Jy ! Component: 1700 - total flux cleaned = -0.0022328 Jy ! Component: 1750 - total flux cleaned = -0.00225818 Jy ! Component: 1800 - total flux cleaned = -0.00223288 Jy ! Component: 1850 - total flux cleaned = -0.00225814 Jy ! Component: 1900 - total flux cleaned = -0.00230821 Jy ! Component: 1950 - total flux cleaned = -0.002271 Jy ! Component: 2000 - total flux cleaned = -0.00224634 Jy ! Component: 2050 - total flux cleaned = -0.00228309 Jy ! Component: 2100 - total flux cleaned = -0.00227089 Jy ! Component: 2150 - total flux cleaned = -0.00222262 Jy ! Component: 2200 - total flux cleaned = -0.0022226 Jy ! Component: 2250 - total flux cleaned = -0.00219879 Jy ! Component: 2300 - total flux cleaned = -0.00222247 Jy ! Component: 2350 - total flux cleaned = -0.00218726 Jy ! Component: 2400 - total flux cleaned = -0.00217573 Jy ! Component: 2450 - total flux cleaned = -0.00217575 Jy ! Component: 2500 - total flux cleaned = -0.00210668 Jy ! Component: 2550 - total flux cleaned = -0.0021524 Jy ! Component: 2600 - total flux cleaned = -0.00210696 Jy ! Component: 2650 - total flux cleaned = -0.00209575 Jy ! Component: 2700 - total flux cleaned = -0.00209583 Jy ! Component: 2750 - total flux cleaned = -0.00206241 Jy ! Component: 2800 - total flux cleaned = -0.00209569 Jy ! Component: 2850 - total flux cleaned = -0.00205167 Jy ! Component: 2900 - total flux cleaned = -0.0020735 Jy ! Component: 2950 - total flux cleaned = -0.00205172 Jy ! Component: 3000 - total flux cleaned = -0.0019651 Jy ! Component: 3050 - total flux cleaned = -0.00200807 Jy ! Component: 3100 - total flux cleaned = -0.00197607 Jy ! Component: 3150 - total flux cleaned = -0.00196551 Jy ! Component: 3200 - total flux cleaned = -0.00198671 Jy ! Component: 3250 - total flux cleaned = -0.0019447 Jy ! Component: 3300 - total flux cleaned = -0.00193433 Jy ! Component: 3350 - total flux cleaned = -0.0019863 Jy ! Component: 3400 - total flux cleaned = -0.00202764 Jy ! Component: 3450 - total flux cleaned = -0.00200704 Jy ! Component: 3500 - total flux cleaned = -0.00201731 Jy ! Component: 3550 - total flux cleaned = -0.00204773 Jy ! Component: 3600 - total flux cleaned = -0.00207801 Jy ! Component: 3650 - total flux cleaned = -0.00208805 Jy ! Component: 3700 - total flux cleaned = -0.00203794 Jy ! Component: 3750 - total flux cleaned = -0.0020479 Jy ! Component: 3800 - total flux cleaned = -0.0020479 Jy ! Component: 3850 - total flux cleaned = -0.0020775 Jy ! Component: 3900 - total flux cleaned = -0.00208731 Jy ! Component: 3950 - total flux cleaned = -0.00207753 Jy ! Component: 4000 - total flux cleaned = -0.002097 Jy ! Component: 4050 - total flux cleaned = -0.00211643 Jy ! Total flux subtracted in 4096 components = -0.00212619 Jy ! Clean residual min=-0.000591 max=0.000649 Jy/beam ! Clean residual mean=0.000001 rms=0.000162 Jy/beam ! Combined flux in latest and established models = 0.269368 Jy keep ! Adding 306 model components to the UV plane model. ! The established model now contains 411 components and 0.269368 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1220+3808_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9681 x 1.465 at -3.241 degrees (North through East) ! Clean map min=-0.00077381 max=0.24233 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1220+3808_X_map.fits wmodel /vlbi/uf001/uva//J1220+3808_X_map.mod ! Writing 411 model components to file: /vlbi/uf001/uva//J1220+3808_X_map.mod wobs /vlbi/uf001/uva//J1220+3808_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1220+3808_X_uvs.fits wwins /vlbi/uf001/uva//J1220+3808_X_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uva//J1220+3808_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.242327 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000161039 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.199366 0.199366 0.398733 0.797466 1.59493 3.18986 6.37973 12.7595 25.5189 51.0378 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.242 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1504.77 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1220+3808_X_dfm.log closed on Mon Jan 14 01:48:35 2019