! Started logfile: /vlbi/uf001/uva//J2237-2506_X_dfm.log on Mon Jan 14 06:19:47 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//J2237-2506_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2237-2506_X_uva.fits ! AN table 1: 38 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.885234 visibilities/baseline/integration-bin. ! Found source: J2237-2506 ! ! 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 14532 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 J2237-2506_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 19 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 19 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 19 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 19 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 19 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 19 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 19 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 19 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 19 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 19 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 19 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 19 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.004301Jy sigma=21.552367 ! Fit after self-cal, rms=0.929316Jy sigma=19.865956 ! 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=0.5591 mas, bmaj=1.658 mas, bpa=-7.838 degrees ! Estimated noise=0.491564 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 = 0.0503433 Jy ! Component: 100 - total flux cleaned = 0.072647 Jy ! Total flux subtracted in 100 components = 0.072647 Jy ! Clean residual min=-0.006424 max=0.010333 Jy/beam ! Clean residual mean=-0.000015 rms=0.001635 Jy/beam ! Combined flux in latest and established models = 0.072647 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.072647 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=0.075530Jy sigma=1.483435 ! Fit after self-cal, rms=0.074769Jy sigma=1.468076 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0129048 Jy ! Component: 100 - total flux cleaned = 0.0197201 Jy ! Total flux subtracted in 100 components = 0.0197201 Jy ! Clean residual min=-0.004512 max=0.006582 Jy/beam ! Clean residual mean=-0.000009 rms=0.001216 Jy/beam ! Combined flux in latest and established models = 0.0923671 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 13 components and 0.0923671 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=0.071557Jy sigma=1.374014 ! Fit after self-cal, rms=0.071470Jy sigma=1.371936 ! Inverting map ! Added new window around map position (-1.4, -1.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00779844 Jy ! Component: 100 - total flux cleaned = 0.0122662 Jy ! Total flux subtracted in 100 components = 0.0122662 Jy ! Clean residual min=-0.004093 max=0.006564 Jy/beam ! Clean residual mean=-0.000005 rms=0.001058 Jy/beam ! Combined flux in latest and established models = 0.104633 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 21 components and 0.104633 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=0.070378Jy sigma=1.340534 ! Fit after self-cal, rms=0.070245Jy sigma=1.337340 ! Inverting map ! Added new window around map position (-3.8, -8.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00704708 Jy ! Component: 100 - total flux cleaned = 0.0116109 Jy ! Total flux subtracted in 100 components = 0.0116109 Jy ! Clean residual min=-0.004092 max=0.004915 Jy/beam ! Clean residual mean=-0.000003 rms=0.000919 Jy/beam ! Combined flux in latest and established models = 0.116244 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 28 components and 0.116244 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=0.069470Jy sigma=1.317038 ! Fit after self-cal, rms=0.069425Jy sigma=1.315295 ! 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=0.7325 mas, bmaj=1.962 mas, bpa=-7.034 degrees ! Estimated noise=0.283256 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 = 0.00547511 Jy ! Component: 100 - total flux cleaned = 0.00918971 Jy ! Component: 150 - total flux cleaned = 0.0119241 Jy ! Component: 200 - total flux cleaned = 0.0139882 Jy ! Total flux subtracted in 200 components = 0.0139882 Jy ! Clean residual min=-0.003570 max=0.004815 Jy/beam ! Clean residual mean=-0.000004 rms=0.000902 Jy/beam ! Combined flux in latest and established models = 0.130232 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 42 components and 0.130232 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=0.068972Jy sigma=1.300636 ! Fit after self-cal, rms=0.068939Jy sigma=1.299534 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7325 x 1.962 at -7.034 degrees (North through East) ! Clean map min=-0.0032915 max=0.068515 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 HN 1.15 KP 0.96 LA 0.94 ! MK 0.92 NL 1.04 OV 0.87 PT 0.92 ! SC 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 HN 1.11 KP 0.99 LA 0.96 ! MK 1.14 NL 1.11 OV 0.88 PT 0.90 ! SC 0.93 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 HN 1.20 KP 0.99 LA 0.97 ! MK 0.94 NL 1.05 OV 0.96 PT 0.88 ! SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 HN 1.10 KP 0.99 LA 1.01 ! MK 0.99 NL 1.10 OV 0.93 PT 0.90 ! SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 HN 1.09 KP 1.01 LA 1.02 ! MK 0.95 NL 1.08 OV 0.90 PT 0.91 ! SC 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 HN 1.18 KP 0.96 LA 0.97 ! MK 0.88 NL 1.08 OV 0.90 PT 0.95 ! SC 1.02 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 HN 1.13 KP 1.00 LA 1.02 ! MK 0.95 NL 1.09 OV 0.92 PT 0.91 ! SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 HN 1.13 KP 1.03 LA 1.00 ! MK 0.98 NL 1.17 OV 0.92 PT 0.87 ! SC 0.98 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 HN 1.11 KP 1.07 LA 0.99 ! MK 0.93 NL 1.12 OV 0.93 PT 0.94 ! SC 1.02 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 HN 1.10 KP 1.07 LA 0.95 ! MK 0.84 NL 1.15 OV 0.90 PT 0.97 ! SC 1.02 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 HN 1.22 KP 1.02 LA 0.98 ! MK 0.91 NL 1.09 OV 0.97 PT 0.98 ! SC 0.96 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 HN 1.09 KP 1.04 LA 1.06 ! MK 0.77 NL 1.12 OV 0.96 PT 0.92 ! SC 0.94 ! ! ! Fit before self-cal, rms=0.068939Jy sigma=1.299534 ! Fit after self-cal, rms=0.070863Jy sigma=1.284421 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7266 mas, bmaj=1.945 mas, bpa=-7.253 degrees ! Estimated noise=0.276915 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 = 0.00085416 Jy ! Component: 100 - total flux cleaned = 0.00138085 Jy ! Component: 150 - total flux cleaned = 0.00160963 Jy ! Component: 200 - total flux cleaned = 0.0017283 Jy ! Total flux subtracted in 200 components = 0.0017283 Jy ! Clean residual min=-0.002129 max=0.002511 Jy/beam ! Clean residual mean=-0.000002 rms=0.000491 Jy/beam ! Combined flux in latest and established models = 0.131961 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 55 components and 0.131961 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=0.070753Jy sigma=1.281856 ! Fit after self-cal, rms=0.070885Jy sigma=1.281265 ! Inverting map ! Added new window around map position (1.2, 0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00187988 Jy ! Component: 100 - total flux cleaned = 0.00223779 Jy ! Component: 150 - total flux cleaned = 0.00253686 Jy ! Component: 200 - total flux cleaned = 0.00278697 Jy ! Total flux subtracted in 200 components = 0.00278697 Jy ! Clean residual min=-0.001841 max=0.002274 Jy/beam ! Clean residual mean=0.000000 rms=0.000449 Jy/beam ! Combined flux in latest and established models = 0.134748 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 71 components and 0.134748 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=0.070751Jy sigma=1.279084 ! Fit after self-cal, rms=0.070709Jy sigma=1.278776 ! 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=0.070709Jy sigma=1.278776 ! Fit after self-cal, rms=0.073231Jy sigma=1.274750 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7208 mas, bmaj=1.933 mas, bpa=-7.336 degrees ! Estimated noise=0.273975 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000312423 Jy ! Component: 100 - total flux cleaned = -0.000188859 Jy ! Component: 150 - total flux cleaned = 1.62722e-05 Jy ! Component: 200 - total flux cleaned = 0.000135003 Jy ! Total flux subtracted in 200 components = 0.000135003 Jy ! Clean residual min=-0.001619 max=0.001731 Jy/beam ! Clean residual mean=-0.000001 rms=0.000370 Jy/beam ! Combined flux in latest and established models = 0.134883 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 75 components and 0.134883 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=0.073183Jy sigma=1.273681 ! Fit after self-cal, rms=0.073192Jy sigma=1.273337 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 (-11, 9.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00114004 Jy ! Component: 100 - total flux cleaned = 0.00163078 Jy ! Component: 150 - total flux cleaned = 0.00182078 Jy ! Component: 200 - total flux cleaned = 0.00187745 Jy ! Total flux subtracted in 200 components = 0.00187745 Jy ! Clean residual min=-0.001505 max=0.001532 Jy/beam ! Clean residual mean=-0.000001 rms=0.000340 Jy/beam ! Combined flux in latest and established models = 0.13676 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 86 components and 0.13676 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=0.073148Jy sigma=1.272263 ! Fit after self-cal, rms=0.073135Jy sigma=1.272127 ! 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=0.073135Jy sigma=1.272127 ! Fit after self-cal, rms=0.072795Jy sigma=1.271895 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7133 mas, bmaj=1.921 mas, bpa=-7.665 degrees ! Estimated noise=0.270024 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000126782 Jy ! Component: 100 - total flux cleaned = 0.000250786 Jy ! Component: 150 - total flux cleaned = 0.000251981 Jy ! Component: 200 - total flux cleaned = 0.000227877 Jy ! Total flux subtracted in 200 components = 0.000227877 Jy ! Clean residual min=-0.001426 max=0.001329 Jy/beam ! Clean residual mean=-0.000000 rms=0.000320 Jy/beam ! Combined flux in latest and established models = 0.136988 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 94 components and 0.136988 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=0.072773Jy sigma=1.271276 ! Fit after self-cal, rms=0.072775Jy sigma=1.271213 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 = 5.94181e-05 Jy ! Component: 100 - total flux cleaned = 6.12761e-05 Jy ! Component: 150 - total flux cleaned = 8.39083e-05 Jy ! Component: 200 - total flux cleaned = 6.17513e-05 Jy ! Total flux subtracted in 200 components = 6.17513e-05 Jy ! Clean residual min=-0.001405 max=0.001324 Jy/beam ! Clean residual mean=-0.000000 rms=0.000317 Jy/beam ! Combined flux in latest and established models = 0.13705 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 96 components and 0.13705 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=0.072762Jy sigma=1.270857 ! Fit after self-cal, rms=0.072758Jy sigma=1.270834 ! 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=0.072758Jy sigma=1.270834 ! Fit after self-cal, rms=0.072315Jy sigma=1.270725 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.07 mas, bmaj=5.138 mas, bpa=-5.205 degrees ! Estimated noise=0.380649 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.7262e-05 Jy ! Component: 100 - total flux cleaned = 6.67343e-05 Jy ! Component: 150 - total flux cleaned = 5.30409e-05 Jy ! Component: 200 - total flux cleaned = 4.04061e-05 Jy ! Total flux subtracted in 200 components = 4.04061e-05 Jy ! Clean residual min=-0.001441 max=0.001317 Jy/beam ! Clean residual mean=0.000000 rms=0.000377 Jy/beam ! Combined flux in latest and established models = 0.13709 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 104 components and 0.13709 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=0.072310Jy sigma=1.270647 ! Fit after self-cal, rms=0.072315Jy sigma=1.270631 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.76852e-06 Jy ! Component: 100 - total flux cleaned = -2.57832e-05 Jy ! Component: 150 - total flux cleaned = -3.64611e-05 Jy ! Component: 200 - total flux cleaned = -5.59666e-05 Jy ! Total flux subtracted in 200 components = -5.59666e-05 Jy ! Clean residual min=-0.001420 max=0.001278 Jy/beam ! Clean residual mean=0.000000 rms=0.000372 Jy/beam ! Combined flux in latest and established models = 0.137034 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 107 components and 0.137034 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=0.072312Jy sigma=1.270593 ! Fit after self-cal, rms=0.072312Jy sigma=1.270584 ! 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=0.7076 mas, bmaj=1.914 mas, bpa=-7.962 degrees ! Estimated noise=0.266768 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7076 x 1.914 at -7.962 degrees (North through East) ! Clean map min=-0.0015586 max=0.065581 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=0.544 mas, bmaj=1.635 mas, bpa=-8.3 degrees ! Estimated noise=0.446305 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0481761 Jy ! Component: 100 - total flux cleaned = 0.0726078 Jy ! Component: 150 - total flux cleaned = 0.0858211 Jy ! Component: 200 - total flux cleaned = 0.0944701 Jy ! Total flux subtracted in 200 components = 0.0944701 Jy ! Clean residual min=-0.004103 max=0.004927 Jy/beam ! Clean residual mean=-0.000008 rms=0.000993 Jy/beam ! Combined flux in latest and established models = 0.0944701 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.0944701 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7076 mas, bmaj=1.914 mas, bpa=-7.962 degrees ! Estimated noise=0.266768 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 = 0.0103755 Jy ! Component: 100 - total flux cleaned = 0.0174921 Jy ! Component: 150 - total flux cleaned = 0.0227884 Jy ! Component: 200 - total flux cleaned = 0.026787 Jy ! Total flux subtracted in 200 components = 0.026787 Jy ! Clean residual min=-0.002113 max=0.002410 Jy/beam ! Clean residual mean=-0.000007 rms=0.000624 Jy/beam ! Combined flux in latest and established models = 0.121257 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 32 components and 0.121257 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=2.07 mas, bmaj=5.138 mas, bpa=-5.205 degrees ! Estimated noise=0.380649 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00549355 Jy ! Component: 100 - total flux cleaned = 0.00899795 Jy ! Component: 150 - total flux cleaned = 0.0113751 Jy ! Component: 200 - total flux cleaned = 0.0130091 Jy ! Total flux subtracted in 200 components = 0.0130091 Jy ! Clean residual min=-0.001690 max=0.001596 Jy/beam ! Clean residual mean=-0.000003 rms=0.000476 Jy/beam ! Combined flux in latest and established models = 0.134266 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 = 0.00113232 Jy ! Component: 100 - total flux cleaned = 0.00192645 Jy ! Component: 150 - total flux cleaned = 0.00247054 Jy ! Component: 200 - total flux cleaned = 0.0025978 Jy ! Total flux subtracted in 200 components = 0.0025978 Jy ! Clean residual min=-0.001458 max=0.001326 Jy/beam ! Clean residual mean=0.000000 rms=0.000385 Jy/beam ! Combined flux in latest and established models = 0.136864 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 67 components and 0.136864 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7076 mas, bmaj=1.914 mas, bpa=-7.962 degrees ! Estimated noise=0.266768 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00028581 Jy ! Component: 100 - total flux cleaned = 0.000324379 Jy ! Component: 150 - total flux cleaned = 0.000398896 Jy ! Component: 200 - total flux cleaned = 0.000398555 Jy ! Total flux subtracted in 200 components = 0.000398555 Jy ! Clean residual min=-0.001337 max=0.001664 Jy/beam ! Clean residual mean=0.000001 rms=0.000323 Jy/beam ! Combined flux in latest and established models = 0.137263 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 82 components and 0.137263 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=0.072336Jy sigma=1.271640 ! Fit after self-cal, rms=0.072319Jy sigma=1.270893 wmodel J2237-2506_X_map.mod ! Writing 82 model components to file: J2237-2506_X_map.mod wobs J2237-2506_X_uvs.fits ! Writing UV FITS file: J2237-2506_X_uvs.fits wwins J2237-2506_X_map.win ! wwins: Wrote 5 windows to J2237-2506_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 = 0.000464826 Jy ! Component: 100 - total flux cleaned = 0.00085831 Jy ! Component: 150 - total flux cleaned = 0.00114618 Jy ! Component: 200 - total flux cleaned = 0.00133719 Jy ! Component: 250 - total flux cleaned = 0.00141847 Jy ! Component: 300 - total flux cleaned = 0.0014974 Jy ! Component: 350 - total flux cleaned = 0.0015937 Jy ! Component: 400 - total flux cleaned = 0.0016876 Jy ! Component: 450 - total flux cleaned = 0.00172435 Jy ! Component: 500 - total flux cleaned = 0.00174236 Jy ! Component: 550 - total flux cleaned = 0.00183024 Jy ! Component: 600 - total flux cleaned = 0.00184732 Jy ! Component: 650 - total flux cleaned = 0.00188103 Jy ! Component: 700 - total flux cleaned = 0.00188076 Jy ! Component: 750 - total flux cleaned = 0.00192989 Jy ! Component: 800 - total flux cleaned = 0.00197804 Jy ! Component: 850 - total flux cleaned = 0.00199377 Jy ! Component: 900 - total flux cleaned = 0.00197804 Jy ! Component: 950 - total flux cleaned = 0.00205525 Jy ! Component: 1000 - total flux cleaned = 0.00207065 Jy ! Component: 1050 - total flux cleaned = 0.00214577 Jy ! Component: 1100 - total flux cleaned = 0.00220491 Jy ! Component: 1150 - total flux cleaned = 0.00221941 Jy ! Component: 1200 - total flux cleaned = 0.00227716 Jy ! Component: 1250 - total flux cleaned = 0.00227709 Jy ! Component: 1300 - total flux cleaned = 0.00233333 Jy ! Component: 1350 - total flux cleaned = 0.00234709 Jy ! Component: 1400 - total flux cleaned = 0.00234705 Jy ! Component: 1450 - total flux cleaned = 0.00238787 Jy ! Component: 1500 - total flux cleaned = 0.00238787 Jy ! Component: 1550 - total flux cleaned = 0.0024411 Jy ! Component: 1600 - total flux cleaned = 0.00246738 Jy ! Component: 1650 - total flux cleaned = 0.00248024 Jy ! Component: 1700 - total flux cleaned = 0.00250576 Jy ! Component: 1750 - total flux cleaned = 0.00249295 Jy ! Component: 1800 - total flux cleaned = 0.00251806 Jy ! Component: 1850 - total flux cleaned = 0.00249319 Jy ! Component: 1900 - total flux cleaned = 0.00254277 Jy ! Component: 1950 - total flux cleaned = 0.0025427 Jy ! Component: 2000 - total flux cleaned = 0.00259121 Jy ! Component: 2050 - total flux cleaned = 0.00259112 Jy ! Component: 2100 - total flux cleaned = 0.00259137 Jy ! Component: 2150 - total flux cleaned = 0.00265057 Jy ! Component: 2200 - total flux cleaned = 0.00263874 Jy ! Component: 2250 - total flux cleaned = 0.00265059 Jy ! Component: 2300 - total flux cleaned = 0.0027313 Jy ! Component: 2350 - total flux cleaned = 0.00275412 Jy ! Component: 2400 - total flux cleaned = 0.00275401 Jy ! Component: 2450 - total flux cleaned = 0.00273145 Jy ! Component: 2500 - total flux cleaned = 0.00272045 Jy ! Component: 2550 - total flux cleaned = 0.00273162 Jy ! Component: 2600 - total flux cleaned = 0.00275366 Jy ! Component: 2650 - total flux cleaned = 0.00273195 Jy ! Component: 2700 - total flux cleaned = 0.00275378 Jy ! Component: 2750 - total flux cleaned = 0.00278606 Jy ! Component: 2800 - total flux cleaned = 0.00276472 Jy ! Component: 2850 - total flux cleaned = 0.00279637 Jy ! Component: 2900 - total flux cleaned = 0.00277525 Jy ! Component: 2950 - total flux cleaned = 0.00277533 Jy ! Component: 3000 - total flux cleaned = 0.00275465 Jy ! Component: 3050 - total flux cleaned = 0.00279581 Jy ! Component: 3100 - total flux cleaned = 0.00279575 Jy ! Component: 3150 - total flux cleaned = 0.00281599 Jy ! Component: 3200 - total flux cleaned = 0.00284626 Jy ! Component: 3250 - total flux cleaned = 0.00285629 Jy ! Component: 3300 - total flux cleaned = 0.00283636 Jy ! Component: 3350 - total flux cleaned = 0.00285613 Jy ! Component: 3400 - total flux cleaned = 0.00286601 Jy ! Component: 3450 - total flux cleaned = 0.00284656 Jy ! Component: 3500 - total flux cleaned = 0.00285626 Jy ! Component: 3550 - total flux cleaned = 0.00285621 Jy ! Component: 3600 - total flux cleaned = 0.00286579 Jy ! Component: 3650 - total flux cleaned = 0.0028848 Jy ! Component: 3700 - total flux cleaned = 0.00288481 Jy ! Component: 3750 - total flux cleaned = 0.00290359 Jy ! Component: 3800 - total flux cleaned = 0.00289431 Jy ! Component: 3850 - total flux cleaned = 0.00290365 Jy ! Component: 3900 - total flux cleaned = 0.00287593 Jy ! Component: 3950 - total flux cleaned = 0.00289428 Jy ! Component: 4000 - total flux cleaned = 0.00287605 Jy ! Component: 4050 - total flux cleaned = 0.00286702 Jy ! Total flux subtracted in 4096 components = 0.00288521 Jy ! Clean residual min=-0.000591 max=0.000492 Jy/beam ! Clean residual mean=0.000000 rms=0.000151 Jy/beam ! Combined flux in latest and established models = 0.140148 Jy keep ! Adding 290 model components to the UV plane model. ! The established model now contains 372 components and 0.140148 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2237-2506_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7076 x 1.914 at -7.962 degrees (North through East) ! Clean map min=-0.00090383 max=0.064532 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2237-2506_X_map.fits wmodel /vlbi/uf001/uva//J2237-2506_X_map.mod ! Writing 372 model components to file: /vlbi/uf001/uva//J2237-2506_X_map.mod wobs /vlbi/uf001/uva//J2237-2506_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2237-2506_X_uvs.fits wwins /vlbi/uf001/uva//J2237-2506_X_map.win ! wwins: Wrote 6 windows to /vlbi/uf001/uva//J2237-2506_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0645317 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000150088 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.697739 0.697739 1.39548 2.79096 5.58191 11.1638 22.3277 44.6553 89.3106 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.064 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 429.96 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2237-2506_X_dfm.log closed on Mon Jan 14 06:19:52 2019