! Started logfile: /vlbi/uf001/uva//J0643+1238_X_dfm.log on Sun Jan 13 23:07:55 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//J0643+1238_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0643+1238_X_uva.fits ! AN table 1: 72 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.994753 visibilities/baseline/integration-bin. ! Found source: J0643+1238 ! ! 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 38676 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 J0643+1238_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. ! ! 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=1.003945Jy sigma=23.140076 ! Fit after self-cal, rms=0.935202Jy sigma=21.559587 ! 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=0.7235 mas, bmaj=1.635 mas, bpa=-3.589 degrees ! Estimated noise=0.329903 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 = 0.0490839 Jy ! Component: 100 - total flux cleaned = 0.0636797 Jy ! Total flux subtracted in 100 components = 0.0636797 Jy ! Clean residual min=-0.003062 max=0.005969 Jy/beam ! Clean residual mean=0.000005 rms=0.000648 Jy/beam ! Combined flux in latest and established models = 0.0636797 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0636797 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=0.058274Jy sigma=1.266898 ! Fit after self-cal, rms=0.057718Jy sigma=1.254596 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00681634 Jy ! Component: 100 - total flux cleaned = 0.0100107 Jy ! Total flux subtracted in 100 components = 0.0100107 Jy ! Clean residual min=-0.002555 max=0.002948 Jy/beam ! Clean residual mean=0.000001 rms=0.000533 Jy/beam ! Combined flux in latest and established models = 0.0736904 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 13 components and 0.0736904 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=0.056803Jy sigma=1.232629 ! Fit after self-cal, rms=0.056791Jy sigma=1.232249 ! 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=0.9101 mas, bmaj=1.928 mas, bpa=-2.225 degrees ! Estimated noise=0.15788 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 (0.8, -2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00321738 Jy ! Component: 100 - total flux cleaned = 0.00520669 Jy ! Component: 150 - total flux cleaned = 0.00629349 Jy ! Component: 200 - total flux cleaned = 0.00694587 Jy ! Total flux subtracted in 200 components = 0.00694587 Jy ! Clean residual min=-0.001996 max=0.002693 Jy/beam ! Clean residual mean=0.000002 rms=0.000401 Jy/beam ! Combined flux in latest and established models = 0.0806362 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 34 components and 0.0806362 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=0.056586Jy sigma=1.227141 ! Fit after self-cal, rms=0.056569Jy sigma=1.226679 ! Inverting map ! Added new window around map position (1.4, 3.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00176986 Jy ! Component: 100 - total flux cleaned = 0.00206938 Jy ! Component: 150 - total flux cleaned = 0.00230262 Jy ! Component: 200 - total flux cleaned = 0.00249286 Jy ! Total flux subtracted in 200 components = 0.00249286 Jy ! Clean residual min=-0.001941 max=0.002040 Jy/beam ! Clean residual mean=0.000001 rms=0.000358 Jy/beam ! Combined flux in latest and established models = 0.0831291 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 56 components and 0.0831291 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=0.056451Jy sigma=1.223769 ! Fit after self-cal, rms=0.056433Jy sigma=1.223491 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9101 x 1.928 at -2.225 degrees (North through East) ! Clean map min=-0.0018876 max=0.064369 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.90 KP 1.07 ! LA 0.95 MK 1.01 NL 1.11 OV 0.94 ! PT 0.99 SC 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.01 HN 0.86 KP 1.04 ! LA 0.96 MK 1.01 NL 1.12 OV 0.96 ! PT 0.99 SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.01 HN 0.90 KP 1.02 ! LA 0.97 MK 1.07 NL 1.14 OV 0.93 ! PT 0.97 SC 1.04 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.03 HN 0.94 KP 1.05 ! LA 0.94 MK 1.04 NL 1.13 OV 0.92 ! PT 0.97 SC 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.04 HN 0.87 KP 1.07 ! LA 0.95 MK 1.02 NL 1.10 OV 0.94 ! PT 0.98 SC 0.93 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.07 HN 0.91 KP 1.02 ! LA 0.93 MK 1.06 NL 1.12 OV 0.95 ! PT 0.96 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.05 HN 0.88 KP 1.06 ! LA 0.92 MK 1.04 NL 1.14 OV 0.95 ! PT 0.95 SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.03 HN 0.91 KP 1.03 ! LA 0.93 MK 1.02 NL 1.13 OV 0.96 ! PT 1.00 SC 0.98 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.05 HN 0.87 KP 1.00 ! LA 0.94 MK 1.07 NL 1.15 OV 0.93 ! PT 1.00 SC 1.01 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.98 HN 0.92 KP 1.00 ! LA 0.98 MK 1.00 NL 1.18 OV 0.95 ! PT 0.97 SC 0.90 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.97 HN 0.89 KP 1.04 ! LA 0.94 MK 1.04 NL 1.14 OV 0.93 ! PT 0.98 SC 0.99 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.99 HN 0.92 KP 1.03 ! LA 0.97 MK 0.97 NL 1.17 OV 0.93 ! PT 0.99 SC 0.95 ! ! ! Fit before self-cal, rms=0.056433Jy sigma=1.223491 ! Fit after self-cal, rms=0.055062Jy sigma=1.214801 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9074 mas, bmaj=1.935 mas, bpa=-1.922 degrees ! Estimated noise=0.157712 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 = -0.000613661 Jy ! Component: 100 - total flux cleaned = -0.000898115 Jy ! Component: 150 - total flux cleaned = -0.000878122 Jy ! Component: 200 - total flux cleaned = -0.000858617 Jy ! Total flux subtracted in 200 components = -0.000858617 Jy ! Clean residual min=-0.000970 max=0.000944 Jy/beam ! Clean residual mean=-0.000000 rms=0.000215 Jy/beam ! Combined flux in latest and established models = 0.0822705 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 79 components and 0.0822705 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=0.055036Jy sigma=1.214209 ! Fit after self-cal, rms=0.055058Jy sigma=1.213880 ! 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=0.055058Jy sigma=1.213880 ! Fit after self-cal, rms=0.055136Jy sigma=1.210904 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9071 mas, bmaj=1.931 mas, bpa=-1.845 degrees ! Estimated noise=0.157724 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000210233 Jy ! Component: 100 - total flux cleaned = -0.000374041 Jy ! Component: 150 - total flux cleaned = -0.000497913 Jy ! Component: 200 - total flux cleaned = -0.000539498 Jy ! Total flux subtracted in 200 components = -0.000539498 Jy ! Clean residual min=-0.000718 max=0.000784 Jy/beam ! Clean residual mean=0.000001 rms=0.000184 Jy/beam ! Combined flux in latest and established models = 0.081731 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 89 components and 0.081731 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=0.055125Jy sigma=1.210658 ! Fit after self-cal, rms=0.055138Jy sigma=1.210544 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 = -8.30035e-05 Jy ! Component: 100 - total flux cleaned = -0.000134057 Jy ! Component: 150 - total flux cleaned = -0.000133936 Jy ! Component: 200 - total flux cleaned = -0.000123275 Jy ! Total flux subtracted in 200 components = -0.000123275 Jy ! Clean residual min=-0.000715 max=0.000782 Jy/beam ! Clean residual mean=0.000001 rms=0.000183 Jy/beam ! Combined flux in latest and established models = 0.0816077 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 99 components and 0.0816077 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=0.055132Jy sigma=1.210421 ! Fit after self-cal, rms=0.055131Jy sigma=1.210410 ! Inverting map ! Added new window around map position (-15.4, 43.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000447874 Jy ! Component: 100 - total flux cleaned = 0.000399788 Jy ! Component: 150 - total flux cleaned = 0.000373463 Jy ! Component: 200 - total flux cleaned = 0.000362588 Jy ! Total flux subtracted in 200 components = 0.000362588 Jy ! Clean residual min=-0.000668 max=0.000728 Jy/beam ! Clean residual mean=0.000000 rms=0.000179 Jy/beam ! Combined flux in latest and established models = 0.0819703 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 112 components and 0.0819703 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=0.055121Jy sigma=1.210184 ! Fit after self-cal, rms=0.055120Jy sigma=1.210158 ! 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=0.055120Jy sigma=1.210158 ! Fit after self-cal, rms=0.055052Jy sigma=1.210092 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9055 mas, bmaj=1.929 mas, bpa=-1.715 degrees ! Estimated noise=0.157565 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.75949e-05 Jy ! Component: 100 - total flux cleaned = -7.84336e-05 Jy ! Component: 150 - total flux cleaned = -0.000112288 Jy ! Component: 200 - total flux cleaned = -0.000133451 Jy ! Total flux subtracted in 200 components = -0.000133451 Jy ! Clean residual min=-0.000681 max=0.000714 Jy/beam ! Clean residual mean=0.000000 rms=0.000175 Jy/beam ! Combined flux in latest and established models = 0.0818368 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 121 components and 0.0818368 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=0.055046Jy sigma=1.209974 ! Fit after self-cal, rms=0.055047Jy sigma=1.209963 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 = -4.16327e-05 Jy ! Component: 100 - total flux cleaned = -7.16779e-05 Jy ! Component: 150 - total flux cleaned = -8.10272e-05 Jy ! Component: 200 - total flux cleaned = -8.08699e-05 Jy ! Total flux subtracted in 200 components = -8.08699e-05 Jy ! Clean residual min=-0.000674 max=0.000697 Jy/beam ! Clean residual mean=0.000000 rms=0.000174 Jy/beam ! Combined flux in latest and established models = 0.081756 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 129 components and 0.081756 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=0.055044Jy sigma=1.209895 ! Fit after self-cal, rms=0.055043Jy sigma=1.209887 ! 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=0.055043Jy sigma=1.209887 ! Fit after self-cal, rms=0.055005Jy sigma=1.209872 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.134 mas, bmaj=2.956 mas, bpa=-0.1062 degrees ! Estimated noise=0.199026 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.5487e-05 Jy ! Component: 100 - total flux cleaned = 9.66273e-06 Jy ! Component: 150 - total flux cleaned = 5.77448e-05 Jy ! Component: 200 - total flux cleaned = 7.88431e-05 Jy ! Total flux subtracted in 200 components = 7.88431e-05 Jy ! Clean residual min=-0.000802 max=0.000789 Jy/beam ! Clean residual mean=0.000001 rms=0.000203 Jy/beam ! Combined flux in latest and established models = 0.0818348 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 143 components and 0.0818348 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=0.055004Jy sigma=1.209856 ! Fit after self-cal, rms=0.055003Jy sigma=1.209850 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 = -3.44911e-05 Jy ! Component: 100 - total flux cleaned = -1.55334e-05 Jy ! Component: 150 - total flux cleaned = -9.96778e-06 Jy ! Component: 200 - total flux cleaned = -4.64796e-06 Jy ! Total flux subtracted in 200 components = -4.64796e-06 Jy ! Clean residual min=-0.000806 max=0.000776 Jy/beam ! Clean residual mean=0.000001 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.0818302 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 145 components and 0.0818302 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=0.055003Jy sigma=1.209848 ! Fit after self-cal, rms=0.055003Jy sigma=1.209848 ! 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=0.9046 mas, bmaj=1.928 mas, bpa=-1.625 degrees ! Estimated noise=0.157507 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9046 x 1.928 at -1.625 degrees (North through East) ! Clean map min=-0.0006714 max=0.064161 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=0.72 mas, bmaj=1.632 mas, bpa=-3.127 degrees ! Estimated noise=0.327006 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0490628 Jy ! Component: 100 - total flux cleaned = 0.0645979 Jy ! Component: 150 - total flux cleaned = 0.0712624 Jy ! Component: 200 - total flux cleaned = 0.0746236 Jy ! Total flux subtracted in 200 components = 0.0746236 Jy ! Clean residual min=-0.001655 max=0.001725 Jy/beam ! Clean residual mean=0.000000 rms=0.000410 Jy/beam ! Combined flux in latest and established models = 0.0746236 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.0746236 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9046 mas, bmaj=1.928 mas, bpa=-1.625 degrees ! Estimated noise=0.157507 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 = 0.00263388 Jy ! Component: 100 - total flux cleaned = 0.00400789 Jy ! Component: 150 - total flux cleaned = 0.00501489 Jy ! Component: 200 - total flux cleaned = 0.00574602 Jy ! Total flux subtracted in 200 components = 0.00574602 Jy ! Clean residual min=-0.000779 max=0.000850 Jy/beam ! Clean residual mean=0.000001 rms=0.000188 Jy/beam ! Combined flux in latest and established models = 0.0803696 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 38 components and 0.0803696 Jy ! Inverting map ! Added new window around map position (-0.8, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000530314 Jy ! Component: 100 - total flux cleaned = 0.000602353 Jy ! Component: 150 - total flux cleaned = 0.000645116 Jy ! Component: 200 - total flux cleaned = 0.000723614 Jy ! Total flux subtracted in 200 components = 0.000723614 Jy ! Clean residual min=-0.000725 max=0.000718 Jy/beam ! Clean residual mean=0.000001 rms=0.000180 Jy/beam ! Combined flux in latest and established models = 0.0810932 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 64 components and 0.0810932 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=2.134 mas, bmaj=2.956 mas, bpa=-0.1062 degrees ! Estimated noise=0.199026 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00027491 Jy ! Component: 100 - total flux cleaned = 0.000248509 Jy ! Component: 150 - total flux cleaned = 0.000224569 Jy ! Component: 200 - total flux cleaned = 0.000246157 Jy ! Total flux subtracted in 200 components = 0.000246157 Jy ! Clean residual min=-0.000826 max=0.000799 Jy/beam ! Clean residual mean=0.000001 rms=0.000206 Jy/beam ! Combined flux in latest and established models = 0.0813394 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 = 1.01066e-05 Jy ! Component: 100 - total flux cleaned = 4.61043e-05 Jy ! Component: 150 - total flux cleaned = 6.30571e-05 Jy ! Component: 200 - total flux cleaned = 8.66317e-05 Jy ! Total flux subtracted in 200 components = 8.66317e-05 Jy ! Clean residual min=-0.000816 max=0.000780 Jy/beam ! Clean residual mean=0.000001 rms=0.000203 Jy/beam ! Combined flux in latest and established models = 0.081426 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 96 components and 0.081426 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9046 mas, bmaj=1.928 mas, bpa=-1.625 degrees ! Estimated noise=0.157507 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.40555e-05 Jy ! Component: 100 - total flux cleaned = 2.43009e-07 Jy ! Component: 150 - total flux cleaned = 5.36097e-05 Jy ! Component: 200 - total flux cleaned = 7.83826e-05 Jy ! Total flux subtracted in 200 components = 7.83826e-05 Jy ! Clean residual min=-0.000687 max=0.000694 Jy/beam ! Clean residual mean=0.000000 rms=0.000174 Jy/beam ! Combined flux in latest and established models = 0.0815044 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 112 components and 0.0815044 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=0.055008Jy sigma=1.209910 ! Fit after self-cal, rms=0.055005Jy sigma=1.209838 wmodel J0643+1238_X_map.mod ! Writing 112 model components to file: J0643+1238_X_map.mod wobs J0643+1238_X_uvs.fits ! Writing UV FITS file: J0643+1238_X_uvs.fits wwins J0643+1238_X_map.win ! wwins: Wrote 5 windows to J0643+1238_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 = 6.58317e-05 Jy ! Component: 100 - total flux cleaned = 0.000126951 Jy ! Component: 150 - total flux cleaned = 0.000138886 Jy ! Component: 200 - total flux cleaned = 0.000115934 Jy ! Component: 250 - total flux cleaned = 0.000104563 Jy ! Component: 300 - total flux cleaned = 7.1449e-05 Jy ! Component: 350 - total flux cleaned = 4.97844e-05 Jy ! Component: 400 - total flux cleaned = 2.84667e-05 Jy ! Component: 450 - total flux cleaned = 7.01717e-05 Jy ! Component: 500 - total flux cleaned = 8.0229e-05 Jy ! Component: 550 - total flux cleaned = 0.000100432 Jy ! Component: 600 - total flux cleaned = 0.000130533 Jy ! Component: 650 - total flux cleaned = 0.000170476 Jy ! Component: 700 - total flux cleaned = 0.000249013 Jy ! Component: 750 - total flux cleaned = 0.000307088 Jy ! Component: 800 - total flux cleaned = 0.000316664 Jy ! Component: 850 - total flux cleaned = 0.000373631 Jy ! Component: 900 - total flux cleaned = 0.000411266 Jy ! Component: 950 - total flux cleaned = 0.000457765 Jy ! Component: 1000 - total flux cleaned = 0.000466836 Jy ! Component: 1050 - total flux cleaned = 0.000521844 Jy ! Component: 1100 - total flux cleaned = 0.000549019 Jy ! Component: 1150 - total flux cleaned = 0.00058485 Jy ! Component: 1200 - total flux cleaned = 0.000558104 Jy ! Component: 1250 - total flux cleaned = 0.000602322 Jy ! Component: 1300 - total flux cleaned = 0.000602289 Jy ! Component: 1350 - total flux cleaned = 0.000611025 Jy ! Component: 1400 - total flux cleaned = 0.000628242 Jy ! Component: 1450 - total flux cleaned = 0.00062817 Jy ! Component: 1500 - total flux cleaned = 0.000628117 Jy ! Component: 1550 - total flux cleaned = 0.000602885 Jy ! Component: 1600 - total flux cleaned = 0.00062794 Jy ! Component: 1650 - total flux cleaned = 0.000628022 Jy ! Component: 1700 - total flux cleaned = 0.000661082 Jy ! Component: 1750 - total flux cleaned = 0.000669273 Jy ! Component: 1800 - total flux cleaned = 0.000677377 Jy ! Component: 1850 - total flux cleaned = 0.000709656 Jy ! Component: 1900 - total flux cleaned = 0.000661598 Jy ! Component: 1950 - total flux cleaned = 0.000725386 Jy ! Component: 2000 - total flux cleaned = 0.000717505 Jy ! Component: 2050 - total flux cleaned = 0.000733276 Jy ! Component: 2100 - total flux cleaned = 0.000748838 Jy ! Component: 2150 - total flux cleaned = 0.000725557 Jy ! Component: 2200 - total flux cleaned = 0.000725648 Jy ! Component: 2250 - total flux cleaned = 0.000748714 Jy ! Component: 2300 - total flux cleaned = 0.00073348 Jy ! Component: 2350 - total flux cleaned = 0.000741127 Jy ! Component: 2400 - total flux cleaned = 0.000763707 Jy ! Component: 2450 - total flux cleaned = 0.000808601 Jy ! Component: 2500 - total flux cleaned = 0.000816038 Jy ! Component: 2550 - total flux cleaned = 0.000808693 Jy ! Component: 2600 - total flux cleaned = 0.000852831 Jy ! Component: 2650 - total flux cleaned = 0.000830921 Jy ! Component: 2700 - total flux cleaned = 0.000845489 Jy ! Component: 2750 - total flux cleaned = 0.000874415 Jy ! Component: 2800 - total flux cleaned = 0.000852895 Jy ! Component: 2850 - total flux cleaned = 0.000867147 Jy ! Component: 2900 - total flux cleaned = 0.000874315 Jy ! Component: 2950 - total flux cleaned = 0.000909637 Jy ! Component: 3000 - total flux cleaned = 0.000902566 Jy ! Component: 3050 - total flux cleaned = 0.000895547 Jy ! Component: 3100 - total flux cleaned = 0.000923375 Jy ! Component: 3150 - total flux cleaned = 0.000923328 Jy ! Component: 3200 - total flux cleaned = 0.000888901 Jy ! Component: 3250 - total flux cleaned = 0.000909529 Jy ! Component: 3300 - total flux cleaned = 0.000936817 Jy ! Component: 3350 - total flux cleaned = 0.000936853 Jy ! Component: 3400 - total flux cleaned = 0.000936921 Jy ! Component: 3450 - total flux cleaned = 0.000957085 Jy ! Component: 3500 - total flux cleaned = 0.000950475 Jy ! Component: 3550 - total flux cleaned = 0.000977101 Jy ! Component: 3600 - total flux cleaned = 0.000996936 Jy ! Component: 3650 - total flux cleaned = 0.000996954 Jy ! Component: 3700 - total flux cleaned = 0.000996928 Jy ! Component: 3750 - total flux cleaned = 0.00101649 Jy ! Component: 3800 - total flux cleaned = 0.000997033 Jy ! Component: 3850 - total flux cleaned = 0.000977577 Jy ! Component: 3900 - total flux cleaned = 0.000977631 Jy ! Component: 3950 - total flux cleaned = 0.000996863 Jy ! Component: 4000 - total flux cleaned = 0.00100969 Jy ! Component: 4050 - total flux cleaned = 0.000996986 Jy ! Total flux subtracted in 4096 components = 0.00100965 Jy ! Clean residual min=-0.000379 max=0.000393 Jy/beam ! Clean residual mean=0.000000 rms=0.000111 Jy/beam ! Combined flux in latest and established models = 0.082514 Jy keep ! Adding 350 model components to the UV plane model. ! The established model now contains 462 components and 0.082514 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0643+1238_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9046 x 1.928 at -1.625 degrees (North through East) ! Clean map min=-0.00049504 max=0.064157 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0643+1238_X_map.fits wmodel /vlbi/uf001/uva//J0643+1238_X_map.mod ! Writing 462 model components to file: /vlbi/uf001/uva//J0643+1238_X_map.mod wobs /vlbi/uf001/uva//J0643+1238_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0643+1238_X_uvs.fits wwins /vlbi/uf001/uva//J0643+1238_X_map.win ! wwins: Wrote 6 windows to /vlbi/uf001/uva//J0643+1238_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0641574 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000110764 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.517933 0.517933 1.03587 2.07173 4.14347 8.28693 16.5739 33.1477 66.2954 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.064 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 579.225 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0643+1238_X_dfm.log closed on Sun Jan 13 23:08:02 2019