! Started logfile: /vlbi/uf001/uva//J2257+5720_X_dfm.log on Mon Jan 14 06:29:00 2019 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /vlbi/uf001/uva//J2257+5720_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2257+5720_X_uva.fits ! AN table 1: 57 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.973099 visibilities/baseline/integration-bin. ! Found source: J2257+5720 ! ! 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 29952 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 J2257+5720_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 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.009329Jy sigma=25.304917 ! Fit after self-cal, rms=0.867188Jy sigma=21.661922 ! 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=0.743 mas, bmaj=1.018 mas, bpa=-7.703 degrees ! Estimated noise=0.349239 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 = 0.0994769 Jy ! Component: 100 - total flux cleaned = 0.123863 Jy ! Total flux subtracted in 100 components = 0.123863 Jy ! Clean residual min=-0.004183 max=0.010127 Jy/beam ! Clean residual mean=0.000004 rms=0.001000 Jy/beam ! Combined flux in latest and established models = 0.123863 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.123863 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=0.060736Jy sigma=1.451618 ! Fit after self-cal, rms=0.060711Jy sigma=1.450977 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0109587 Jy ! Component: 100 - total flux cleaned = 0.0166671 Jy ! Total flux subtracted in 100 components = 0.0166671 Jy ! Clean residual min=-0.003394 max=0.006183 Jy/beam ! Clean residual mean=0.000002 rms=0.000796 Jy/beam ! Combined flux in latest and established models = 0.14053 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 9 components and 0.14053 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=0.058172Jy sigma=1.378185 ! Fit after self-cal, rms=0.058174Jy sigma=1.378010 ! Inverting map ! Added new window around map position (1.6, -0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0056433 Jy ! Component: 100 - total flux cleaned = 0.00899088 Jy ! Total flux subtracted in 100 components = 0.00899088 Jy ! Clean residual min=-0.003644 max=0.005086 Jy/beam ! Clean residual mean=0.000001 rms=0.000737 Jy/beam ! Combined flux in latest and established models = 0.149521 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 20 components and 0.149521 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=0.057383Jy sigma=1.355014 ! Fit after self-cal, rms=0.057313Jy sigma=1.353037 ! Inverting map ! Added new window around map position (0, 2.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00455396 Jy ! Component: 100 - total flux cleaned = 0.0074133 Jy ! Total flux subtracted in 100 components = 0.0074133 Jy ! Clean residual min=-0.003334 max=0.004019 Jy/beam ! Clean residual mean=0.000001 rms=0.000683 Jy/beam ! Combined flux in latest and established models = 0.156934 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 26 components and 0.156934 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=0.056912Jy sigma=1.341832 ! Fit after self-cal, rms=0.056887Jy sigma=1.340986 ! 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=0.9834 mas, bmaj=1.318 mas, bpa=-8.391 degrees ! Estimated noise=0.167331 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, -2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0044951 Jy ! Component: 100 - total flux cleaned = 0.00696967 Jy ! Component: 150 - total flux cleaned = 0.00814047 Jy ! Component: 200 - total flux cleaned = 0.00888065 Jy ! Total flux subtracted in 200 components = 0.00888065 Jy ! Clean residual min=-0.002724 max=0.002935 Jy/beam ! Clean residual mean=-0.000010 rms=0.000616 Jy/beam ! Combined flux in latest and established models = 0.165815 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 46 components and 0.165815 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=0.056431Jy sigma=1.328360 ! Fit after self-cal, rms=0.056414Jy sigma=1.327849 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9834 x 1.318 at -8.391 degrees (North through East) ! Clean map min=-0.0025526 max=0.13124 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 0.98 KP 1.03 ! LA 0.96 MK 1.01 NL 1.15 OV 0.92 ! PT 0.99 SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.96 KP 1.02 ! LA 0.97 MK 1.03 NL 1.12 OV 0.92 ! PT 1.00 SC 0.94 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.01 HN 0.96 KP 1.01 ! LA 0.96 MK 1.03 NL 1.12 OV 0.93 ! PT 1.00 SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.00 HN 0.97 KP 1.02 ! LA 0.95 MK 1.04 NL 1.12 OV 0.91 ! PT 1.00 SC 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.02 HN 0.95 KP 1.01 ! LA 0.97 MK 1.01 NL 1.13 OV 0.92 ! PT 1.00 SC 0.95 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.01 HN 0.94 KP 1.02 ! LA 0.96 MK 1.01 NL 1.11 OV 0.94 ! PT 1.02 SC 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.02 HN 0.94 KP 1.03 ! LA 0.95 MK 1.01 NL 1.11 OV 0.92 ! PT 0.99 SC 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.02 HN 0.94 KP 1.01 ! LA 0.97 MK 1.00 NL 1.11 OV 0.91 ! PT 1.01 SC 1.00 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.99 HN 0.96 KP 1.01 ! LA 0.96 MK 1.03 NL 1.13 OV 0.92 ! PT 1.00 SC 0.96 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.00 HN 0.95 KP 1.04 ! LA 0.95 MK 1.03 NL 1.11 OV 0.88 ! PT 0.97 SC 0.99 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.95 KP 1.01 ! LA 0.97 MK 1.00 NL 1.12 OV 0.88 ! PT 0.97 SC 1.00 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.97 HN 0.94 KP 1.03 ! LA 0.95 MK 1.04 NL 1.13 OV 0.89 ! PT 0.99 SC 0.99 ! ! ! Fit before self-cal, rms=0.056414Jy sigma=1.327849 ! Fit after self-cal, rms=0.055253Jy sigma=1.300142 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9827 mas, bmaj=1.318 mas, bpa=-8.131 degrees ! Estimated noise=0.167534 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 (8.2, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000827317 Jy ! Component: 100 - total flux cleaned = 0.00130059 Jy ! Component: 150 - total flux cleaned = 0.00168655 Jy ! Component: 200 - total flux cleaned = 0.00192401 Jy ! Total flux subtracted in 200 components = 0.00192401 Jy ! Clean residual min=-0.001441 max=0.001284 Jy/beam ! Clean residual mean=-0.000004 rms=0.000328 Jy/beam ! Combined flux in latest and established models = 0.167739 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 69 components and 0.167739 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=0.055114Jy sigma=1.296434 ! Fit after self-cal, rms=0.055144Jy sigma=1.296075 ! 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=0.055144Jy sigma=1.296075 ! Fit after self-cal, rms=0.055600Jy sigma=1.289870 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9839 mas, bmaj=1.314 mas, bpa=-7.601 degrees ! Estimated noise=0.167621 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00024439 Jy ! Component: 100 - total flux cleaned = 0.000482525 Jy ! Component: 150 - total flux cleaned = 0.000517977 Jy ! Component: 200 - total flux cleaned = 0.000576306 Jy ! Total flux subtracted in 200 components = 0.000576306 Jy ! Clean residual min=-0.001099 max=0.001110 Jy/beam ! Clean residual mean=-0.000004 rms=0.000254 Jy/beam ! Combined flux in latest and established models = 0.168315 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 85 components and 0.168315 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=0.055550Jy sigma=1.288743 ! Fit after self-cal, rms=0.055560Jy sigma=1.288649 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (5.2, -1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00089065 Jy ! Component: 100 - total flux cleaned = 0.00113659 Jy ! Component: 150 - total flux cleaned = 0.00127669 Jy ! Component: 200 - total flux cleaned = 0.00140371 Jy ! Total flux subtracted in 200 components = 0.00140371 Jy ! Clean residual min=-0.001038 max=0.001010 Jy/beam ! Clean residual mean=-0.000003 rms=0.000241 Jy/beam ! Combined flux in latest and established models = 0.169719 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 97 components and 0.169719 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=0.055534Jy sigma=1.287976 ! Fit after self-cal, rms=0.055532Jy sigma=1.287951 ! 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=0.055532Jy sigma=1.287951 ! Fit after self-cal, rms=0.055611Jy sigma=1.287762 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9821 mas, bmaj=1.314 mas, bpa=-7.483 degrees ! Estimated noise=0.167684 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000207137 Jy ! Component: 100 - total flux cleaned = -0.00018535 Jy ! Component: 150 - total flux cleaned = -0.000103109 Jy ! Component: 200 - total flux cleaned = 8.91139e-06 Jy ! Total flux subtracted in 200 components = 8.91139e-06 Jy ! Clean residual min=-0.000947 max=0.000975 Jy/beam ! Clean residual mean=-0.000003 rms=0.000230 Jy/beam ! Combined flux in latest and established models = 0.169728 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 105 components and 0.169728 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=0.055592Jy sigma=1.287329 ! Fit after self-cal, rms=0.055593Jy sigma=1.287312 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000132747 Jy ! Component: 100 - total flux cleaned = 0.000231096 Jy ! Component: 150 - total flux cleaned = 0.000276538 Jy ! Component: 200 - total flux cleaned = 0.000318821 Jy ! Total flux subtracted in 200 components = 0.000318821 Jy ! Clean residual min=-0.000927 max=0.000963 Jy/beam ! Clean residual mean=-0.000003 rms=0.000227 Jy/beam ! Combined flux in latest and established models = 0.170047 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 114 components and 0.170047 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=0.055585Jy sigma=1.287112 ! Fit after self-cal, rms=0.055585Jy sigma=1.287106 ! Inverting map ! Added new window around map position (-16.6, -50.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000749312 Jy ! Component: 100 - total flux cleaned = 0.000894214 Jy ! Component: 150 - total flux cleaned = 0.00102285 Jy ! Component: 200 - total flux cleaned = 0.00107597 Jy ! Total flux subtracted in 200 components = 0.00107597 Jy ! Clean residual min=-0.000861 max=0.000969 Jy/beam ! Clean residual mean=-0.000003 rms=0.000220 Jy/beam ! Combined flux in latest and established models = 0.171123 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 130 components and 0.171123 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=0.055571Jy sigma=1.286772 ! Fit after self-cal, rms=0.055570Jy sigma=1.286752 ! Inverting map ! Added new window around map position (49.8, 11.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000560808 Jy ! Component: 100 - total flux cleaned = 0.000623634 Jy ! Component: 150 - total flux cleaned = 0.000701769 Jy ! Component: 200 - total flux cleaned = 0.000828968 Jy ! Total flux subtracted in 200 components = 0.000828968 Jy ! Clean residual min=-0.000862 max=0.000887 Jy/beam ! Clean residual mean=-0.000004 rms=0.000215 Jy/beam ! Combined flux in latest and established models = 0.171952 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 145 components and 0.171952 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=0.055553Jy sigma=1.286340 ! Fit after self-cal, rms=0.055553Jy sigma=1.286325 ! 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=0.055553Jy sigma=1.286325 ! Fit after self-cal, rms=0.055611Jy sigma=1.286189 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.31 mas, bmaj=2.465 mas, bpa=5.055 degrees ! Estimated noise=0.214149 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000165622 Jy ! Component: 100 - total flux cleaned = 0.000204538 Jy ! Component: 150 - total flux cleaned = 0.000340163 Jy ! Component: 200 - total flux cleaned = 0.000482003 Jy ! Total flux subtracted in 200 components = 0.000482003 Jy ! Clean residual min=-0.001097 max=0.001093 Jy/beam ! Clean residual mean=-0.000010 rms=0.000262 Jy/beam ! Combined flux in latest and established models = 0.172434 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 156 components and 0.172434 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=0.055606Jy sigma=1.286086 ! Fit after self-cal, rms=0.055608Jy sigma=1.286063 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000182904 Jy ! Component: 100 - total flux cleaned = 0.000339694 Jy ! Component: 150 - total flux cleaned = 0.000398396 Jy ! Component: 200 - total flux cleaned = 0.00046939 Jy ! Total flux subtracted in 200 components = 0.00046939 Jy ! Clean residual min=-0.001049 max=0.001040 Jy/beam ! Clean residual mean=-0.000010 rms=0.000257 Jy/beam ! Combined flux in latest and established models = 0.172903 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 165 components and 0.172903 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=0.055606Jy sigma=1.286039 ! Fit after self-cal, rms=0.055606Jy sigma=1.286034 ! 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=0.981 mas, bmaj=1.314 mas, bpa=-7.354 degrees ! Estimated noise=0.167713 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.981 x 1.314 at -7.354 degrees (North through East) ! Clean map min=-0.00076127 max=0.13178 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=0.741 mas, bmaj=1.014 mas, bpa=-6.762 degrees ! Estimated noise=0.348888 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0992479 Jy ! Component: 100 - total flux cleaned = 0.12405 Jy ! Component: 150 - total flux cleaned = 0.135524 Jy ! Component: 200 - total flux cleaned = 0.142532 Jy ! Total flux subtracted in 200 components = 0.142532 Jy ! Clean residual min=-0.002485 max=0.003806 Jy/beam ! Clean residual mean=0.000002 rms=0.000566 Jy/beam ! Combined flux in latest and established models = 0.142531 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 15 model components to the UV plane model. ! The established model now contains 15 components and 0.142531 Jy ! Inverting map and beam ! Estimated beam: bmin=0.981 mas, bmaj=1.314 mas, bpa=-7.354 degrees ! Estimated noise=0.167713 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 = 0.00687443 Jy ! Component: 100 - total flux cleaned = 0.010475 Jy ! Component: 150 - total flux cleaned = 0.0129693 Jy ! Component: 200 - total flux cleaned = 0.0150103 Jy ! Total flux subtracted in 200 components = 0.0150103 Jy ! Clean residual min=-0.001341 max=0.001512 Jy/beam ! Clean residual mean=-0.000006 rms=0.000330 Jy/beam ! Combined flux in latest and established models = 0.157542 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 43 components and 0.157542 Jy ! Inverting map ! Added new window around map position (1.2, 1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00178771 Jy ! Component: 100 - total flux cleaned = 0.00329697 Jy ! Component: 150 - total flux cleaned = 0.00464201 Jy ! Component: 200 - total flux cleaned = 0.00585434 Jy ! Total flux subtracted in 200 components = 0.00585434 Jy ! Clean residual min=-0.001168 max=0.001039 Jy/beam ! Clean residual mean=-0.000005 rms=0.000268 Jy/beam ! Combined flux in latest and established models = 0.163396 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 70 components and 0.163396 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=2.465 mas, bpa=5.055 degrees ! Estimated noise=0.214149 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00202509 Jy ! Component: 100 - total flux cleaned = 0.00339042 Jy ! Component: 150 - total flux cleaned = 0.00430433 Jy ! Component: 200 - total flux cleaned = 0.00503212 Jy ! Total flux subtracted in 200 components = 0.00503212 Jy ! Clean residual min=-0.001253 max=0.001031 Jy/beam ! Clean residual mean=-0.000010 rms=0.000317 Jy/beam ! Combined flux in latest and established models = 0.168428 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 = 0.00065713 Jy ! Component: 100 - total flux cleaned = 0.00122836 Jy ! Component: 150 - total flux cleaned = 0.00172867 Jy ! Component: 200 - total flux cleaned = 0.00219145 Jy ! Total flux subtracted in 200 components = 0.00219145 Jy ! Clean residual min=-0.001099 max=0.001025 Jy/beam ! Clean residual mean=-0.000010 rms=0.000280 Jy/beam ! Combined flux in latest and established models = 0.17062 Jy ! Adding 93 model components to the UV plane model. ! The established model now contains 145 components and 0.17062 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.981 mas, bmaj=1.314 mas, bpa=-7.354 degrees ! Estimated noise=0.167713 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000463438 Jy ! Component: 100 - total flux cleaned = 0.000760042 Jy ! Component: 150 - total flux cleaned = 0.000936185 Jy ! Component: 200 - total flux cleaned = 0.00105871 Jy ! Total flux subtracted in 200 components = 0.00105871 Jy ! Clean residual min=-0.000907 max=0.000867 Jy/beam ! Clean residual mean=-0.000004 rms=0.000211 Jy/beam ! Combined flux in latest and established models = 0.171678 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 166 components and 0.171678 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=0.055618Jy sigma=1.286399 ! Fit after self-cal, rms=0.055612Jy sigma=1.286282 wmodel J2257+5720_X_map.mod ! Writing 166 model components to file: J2257+5720_X_map.mod wobs J2257+5720_X_uvs.fits ! Writing UV FITS file: J2257+5720_X_uvs.fits wwins J2257+5720_X_map.win ! wwins: Wrote 9 windows to J2257+5720_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 = -0.000168315 Jy ! Component: 100 - total flux cleaned = -0.000276587 Jy ! Component: 150 - total flux cleaned = -0.000395385 Jy ! Component: 200 - total flux cleaned = -0.000553868 Jy ! Component: 250 - total flux cleaned = -0.000581937 Jy ! Component: 300 - total flux cleaned = -0.000650637 Jy ! Component: 350 - total flux cleaned = -0.000691088 Jy ! Component: 400 - total flux cleaned = -0.000744193 Jy ! Component: 450 - total flux cleaned = -0.000770289 Jy ! Component: 500 - total flux cleaned = -0.000821843 Jy ! Component: 550 - total flux cleaned = -0.000872419 Jy ! Component: 600 - total flux cleaned = -0.000897344 Jy ! Component: 650 - total flux cleaned = -0.000934235 Jy ! Component: 700 - total flux cleaned = -0.000958618 Jy ! Component: 750 - total flux cleaned = -0.00100644 Jy ! Component: 800 - total flux cleaned = -0.00100631 Jy ! Component: 850 - total flux cleaned = -0.000994499 Jy ! Component: 900 - total flux cleaned = -0.00101775 Jy ! Component: 950 - total flux cleaned = -0.00105219 Jy ! Component: 1000 - total flux cleaned = -0.00105208 Jy ! Component: 1050 - total flux cleaned = -0.00107457 Jy ! Component: 1100 - total flux cleaned = -0.00110791 Jy ! Component: 1150 - total flux cleaned = -0.0010858 Jy ! Component: 1200 - total flux cleaned = -0.00110769 Jy ! Component: 1250 - total flux cleaned = -0.00109687 Jy ! Component: 1300 - total flux cleaned = -0.00114002 Jy ! Component: 1350 - total flux cleaned = -0.00116123 Jy ! Component: 1400 - total flux cleaned = -0.00116136 Jy ! Component: 1450 - total flux cleaned = -0.00114029 Jy ! Component: 1500 - total flux cleaned = -0.00114021 Jy ! Component: 1550 - total flux cleaned = -0.00116086 Jy ! Component: 1600 - total flux cleaned = -0.00118124 Jy ! Component: 1650 - total flux cleaned = -0.00116089 Jy ! Component: 1700 - total flux cleaned = -0.0011913 Jy ! Component: 1750 - total flux cleaned = -0.00119136 Jy ! Component: 1800 - total flux cleaned = -0.00122105 Jy ! Component: 1850 - total flux cleaned = -0.00123097 Jy ! Component: 1900 - total flux cleaned = -0.00128 Jy ! Component: 1950 - total flux cleaned = -0.00127037 Jy ! Component: 2000 - total flux cleaned = -0.00130888 Jy ! Component: 2050 - total flux cleaned = -0.0013089 Jy ! Component: 2100 - total flux cleaned = -0.0013279 Jy ! Component: 2150 - total flux cleaned = -0.00134684 Jy ! Component: 2200 - total flux cleaned = -0.00135624 Jy ! Component: 2250 - total flux cleaned = -0.00137475 Jy ! Component: 2300 - total flux cleaned = -0.00135613 Jy ! Component: 2350 - total flux cleaned = -0.00134706 Jy ! Component: 2400 - total flux cleaned = -0.00135628 Jy ! Component: 2450 - total flux cleaned = -0.00134721 Jy ! Component: 2500 - total flux cleaned = -0.00138324 Jy ! Component: 2550 - total flux cleaned = -0.00137427 Jy ! Component: 2600 - total flux cleaned = -0.00135653 Jy ! Component: 2650 - total flux cleaned = -0.00135651 Jy ! Component: 2700 - total flux cleaned = -0.00133893 Jy ! Component: 2750 - total flux cleaned = -0.00128661 Jy ! Component: 2800 - total flux cleaned = -0.00131261 Jy ! Component: 2850 - total flux cleaned = -0.00127811 Jy ! Component: 2900 - total flux cleaned = -0.00132946 Jy ! Component: 2950 - total flux cleaned = -0.00131246 Jy ! Component: 3000 - total flux cleaned = -0.00132925 Jy ! Component: 3050 - total flux cleaned = -0.00136285 Jy ! Component: 3100 - total flux cleaned = -0.00133773 Jy ! Component: 3150 - total flux cleaned = -0.00130447 Jy ! Component: 3200 - total flux cleaned = -0.00132936 Jy ! Component: 3250 - total flux cleaned = -0.00137047 Jy ! Component: 3300 - total flux cleaned = -0.00134596 Jy ! Component: 3350 - total flux cleaned = -0.00132967 Jy ! Component: 3400 - total flux cleaned = -0.00134587 Jy ! Component: 3450 - total flux cleaned = -0.0013298 Jy ! Component: 3500 - total flux cleaned = -0.00133777 Jy ! Component: 3550 - total flux cleaned = -0.00133774 Jy ! Component: 3600 - total flux cleaned = -0.00133781 Jy ! Component: 3650 - total flux cleaned = -0.00132998 Jy ! Component: 3700 - total flux cleaned = -0.00136916 Jy ! Component: 3750 - total flux cleaned = -0.00134578 Jy ! Component: 3800 - total flux cleaned = -0.00133029 Jy ! Component: 3850 - total flux cleaned = -0.00138429 Jy ! Component: 3900 - total flux cleaned = -0.00139197 Jy ! Component: 3950 - total flux cleaned = -0.00136141 Jy ! Component: 4000 - total flux cleaned = -0.00136145 Jy ! Component: 4050 - total flux cleaned = -0.00136142 Jy ! Total flux subtracted in 4096 components = -0.00136142 Jy ! Clean residual min=-0.000441 max=0.000412 Jy/beam ! Clean residual mean=-0.000001 rms=0.000126 Jy/beam ! Combined flux in latest and established models = 0.170317 Jy keep ! Adding 311 model components to the UV plane model. ! The established model now contains 477 components and 0.170317 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2257+5720_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.981 x 1.314 at -7.354 degrees (North through East) ! Clean map min=-0.00064818 max=0.13185 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2257+5720_X_map.fits wmodel /vlbi/uf001/uva//J2257+5720_X_map.mod ! Writing 477 model components to file: /vlbi/uf001/uva//J2257+5720_X_map.mod wobs /vlbi/uf001/uva//J2257+5720_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2257+5720_X_uvs.fits wwins /vlbi/uf001/uva//J2257+5720_X_map.win ! wwins: Wrote 10 windows to /vlbi/uf001/uva//J2257+5720_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.131847 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000125957 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.286598 0.286598 0.573196 1.14639 2.29278 4.58557 9.17114 18.3423 36.6846 73.3691 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.131 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1046.76 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2257+5720_X_dfm.log closed on Mon Jan 14 06:29:07 2019