! Started logfile: /vlbi/bp222/maps//J1821+3945_X_dfm.log on Thu Sep 27 11:29:42 2018 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/bp222/maps//J1821+3945_X_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1821+3945_X_uva.fits ! AN table 1: 92 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.875 visibilities/baseline/integration-bin. ! Found source: J1821+3945 ! ! 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 34776 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 J1821+3945_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 55 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 55 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 55 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 55 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 55 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 55 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 55 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 55 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 55 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 55 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 55 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 55 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.002937Jy sigma=17.097128 ! Fit after self-cal, rms=0.952981Jy sigma=16.149806 ! 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=0.6559 mas, bmaj=1.801 mas, bpa=-3.283 degrees ! Estimated noise=0.471483 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 = 0.0306828 Jy ! Component: 100 - total flux cleaned = 0.0436834 Jy ! Total flux subtracted in 100 components = 0.0436834 Jy ! Clean residual min=-0.004864 max=0.011796 Jy/beam ! Clean residual mean=0.000010 rms=0.001321 Jy/beam ! Combined flux in latest and established models = 0.0436834 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 19 components and 0.0436834 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=0.067595Jy sigma=1.132673 ! Fit after self-cal, rms=0.066615Jy sigma=1.116769 ! Inverting map ! Added new window around map position (1, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.011763 Jy ! Component: 100 - total flux cleaned = 0.0201311 Jy ! Total flux subtracted in 100 components = 0.0201311 Jy ! Clean residual min=-0.003940 max=0.009783 Jy/beam ! Clean residual mean=0.000008 rms=0.001068 Jy/beam ! Combined flux in latest and established models = 0.0638144 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 44 components and 0.0638145 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=0.062522Jy sigma=1.030213 ! Fit after self-cal, rms=0.062304Jy sigma=1.025894 ! Inverting map ! Added new window around map position (-1, 0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0088925 Jy ! Component: 100 - total flux cleaned = 0.0150926 Jy ! Total flux subtracted in 100 components = 0.0150926 Jy ! Clean residual min=-0.003423 max=0.005539 Jy/beam ! Clean residual mean=0.000007 rms=0.000892 Jy/beam ! Combined flux in latest and established models = 0.0789071 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 54 components and 0.0789071 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=0.059960Jy sigma=0.976027 ! Fit after self-cal, rms=0.059848Jy sigma=0.974876 ! Inverting map ! Added new window around map position (1.6, -4.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00639306 Jy ! Component: 100 - total flux cleaned = 0.0113354 Jy ! Total flux subtracted in 100 components = 0.0113354 Jy ! Clean residual min=-0.003231 max=0.004617 Jy/beam ! Clean residual mean=0.000006 rms=0.000799 Jy/beam ! Combined flux in latest and established models = 0.0902425 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 68 components and 0.0902425 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=0.058468Jy sigma=0.945570 ! Fit after self-cal, rms=0.058389Jy sigma=0.944345 ! 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=0.8958 mas, bmaj=2.148 mas, bpa=-2.64 degrees ! Estimated noise=0.230065 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 = 0.00973974 Jy ! Component: 100 - total flux cleaned = 0.0170452 Jy ! Component: 150 - total flux cleaned = 0.0229237 Jy ! Component: 200 - total flux cleaned = 0.0277417 Jy ! Total flux subtracted in 200 components = 0.0277417 Jy ! Clean residual min=-0.003538 max=0.005765 Jy/beam ! Clean residual mean=0.000010 rms=0.001059 Jy/beam ! Combined flux in latest and established models = 0.117984 Jy ! Performing phase self-cal ! Adding 71 model components to the UV plane model. ! The established model now contains 110 components and 0.117984 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=0.056241Jy sigma=0.897846 ! Fit after self-cal, rms=0.056028Jy sigma=0.894009 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8958 x 2.148 at -2.64 degrees (North through East) ! Clean map min=-0.0038185 max=0.045319 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.12 KP 1.04 LA 0.82 ! MK 1.00 NL 1.03 OV 1.16 PT 0.84 ! SC 1.09 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.97 KP 0.99 LA 0.87 ! MK 1.07 NL 1.00 OV 1.15 PT 0.84 ! SC 1.16 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.97 KP 0.97 LA 0.88 ! MK 1.34 NL 1.01 OV 1.13 PT 0.86 ! SC 1.22 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.97 KP 1.01 LA 0.88 ! MK 1.13 NL 0.99 OV 1.12 PT 0.85 ! SC 1.09 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 KP 1.00 LA 0.87 ! MK 1.22 NL 0.97 OV 1.15 PT 0.86 ! SC 1.09 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.03 KP 0.97 LA 0.86 ! MK 1.07 NL 1.00 OV 1.10 PT 0.85 ! SC 1.15 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.96 KP 1.04 LA 0.88 ! MK 1.09 NL 0.98 OV 1.10 PT 0.83 ! SC 1.09 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.98 KP 0.96 LA 0.90 ! MK 1.00 NL 1.01 OV 1.05 PT 0.87 ! SC 1.12 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.97 KP 0.98 LA 0.90 ! MK 1.05 NL 1.01 OV 1.07 PT 0.90 ! SC 1.19 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 KP 0.95 LA 0.88 ! MK 0.98 NL 0.98 OV 1.10 PT 0.86 ! SC 1.13 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.98 KP 1.00 LA 0.90 ! MK 0.74 NL 1.02 OV 1.07 PT 0.88 ! SC 0.91 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.96 KP 1.00 LA 0.82 ! MK 0.73 NL 1.05 OV 1.10 PT 0.88 ! SC 0.95 ! ! ! Fit before self-cal, rms=0.056028Jy sigma=0.894009 ! Fit after self-cal, rms=0.054738Jy sigma=0.878014 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9252 mas, bmaj=2.18 mas, bpa=-3.061 degrees ! Estimated noise=0.224507 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 (-14.8, -24.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00567442 Jy ! Component: 100 - total flux cleaned = 0.00885186 Jy ! Component: 150 - total flux cleaned = 0.0109894 Jy ! Component: 200 - total flux cleaned = 0.0120347 Jy ! Total flux subtracted in 200 components = 0.0120347 Jy ! Clean residual min=-0.002341 max=0.004318 Jy/beam ! Clean residual mean=0.000002 rms=0.000575 Jy/beam ! Combined flux in latest and established models = 0.130019 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 124 components and 0.130019 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=0.054152Jy sigma=0.865560 ! Fit after self-cal, rms=0.054143Jy sigma=0.862805 ! Inverting map ! Added new window around map position (0, -8.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00420076 Jy ! Component: 100 - total flux cleaned = 0.00665874 Jy ! Component: 150 - total flux cleaned = 0.00822711 Jy ! Component: 200 - total flux cleaned = 0.00919721 Jy ! Total flux subtracted in 200 components = 0.00919721 Jy ! Clean residual min=-0.001808 max=0.001685 Jy/beam ! Clean residual mean=0.000000 rms=0.000406 Jy/beam ! Combined flux in latest and established models = 0.139216 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 163 components and 0.139216 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=0.053798Jy sigma=0.855413 ! Fit after self-cal, rms=0.053734Jy sigma=0.854398 ! 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=0.053734Jy sigma=0.854398 ! Fit after self-cal, rms=0.055090Jy sigma=0.851696 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9287 mas, bmaj=2.191 mas, bpa=-2.18 degrees ! Estimated noise=0.225379 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00170548 Jy ! Component: 100 - total flux cleaned = 0.00213973 Jy ! Component: 150 - total flux cleaned = 0.0026762 Jy ! Component: 200 - total flux cleaned = 0.00306419 Jy ! Total flux subtracted in 200 components = 0.00306419 Jy ! Clean residual min=-0.001531 max=0.001600 Jy/beam ! Clean residual mean=0.000000 rms=0.000340 Jy/beam ! Combined flux in latest and established models = 0.14228 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 172 components and 0.14228 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=0.054990Jy sigma=0.849705 ! Fit after self-cal, rms=0.055021Jy sigma=0.849347 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-4, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00161181 Jy ! Component: 100 - total flux cleaned = 0.00218597 Jy ! Component: 150 - total flux cleaned = 0.00252652 Jy ! Component: 200 - total flux cleaned = 0.00280107 Jy ! Total flux subtracted in 200 components = 0.00280107 Jy ! Clean residual min=-0.001436 max=0.001272 Jy/beam ! Clean residual mean=-0.000000 rms=0.000308 Jy/beam ! Combined flux in latest and established models = 0.145081 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 189 components and 0.145081 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=0.054954Jy sigma=0.847942 ! Fit after self-cal, rms=0.054935Jy sigma=0.847763 ! 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=0.054935Jy sigma=0.847763 ! Fit after self-cal, rms=0.054770Jy sigma=0.846109 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9264 mas, bmaj=2.198 mas, bpa=-2.302 degrees ! Estimated noise=0.222261 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000615819 Jy ! Component: 100 - total flux cleaned = 0.00120267 Jy ! Component: 150 - total flux cleaned = 0.00152746 Jy ! Component: 200 - total flux cleaned = 0.00176389 Jy ! Total flux subtracted in 200 components = 0.00176389 Jy ! Clean residual min=-0.001314 max=0.001231 Jy/beam ! Clean residual mean=0.000000 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.146845 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 200 components and 0.146845 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=0.054723Jy sigma=0.845281 ! Fit after self-cal, rms=0.054726Jy sigma=0.845089 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 = 0.000419554 Jy ! Component: 100 - total flux cleaned = 0.000625035 Jy ! Component: 150 - total flux cleaned = 0.000868776 Jy ! Component: 200 - total flux cleaned = 0.00107044 Jy ! Total flux subtracted in 200 components = 0.00107044 Jy ! Clean residual min=-0.001288 max=0.001191 Jy/beam ! Clean residual mean=-0.000000 rms=0.000268 Jy/beam ! Combined flux in latest and established models = 0.147916 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 205 components and 0.147916 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=0.054696Jy sigma=0.844627 ! Fit after self-cal, rms=0.054689Jy sigma=0.844590 ! 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=0.054689Jy sigma=0.844590 ! Fit after self-cal, rms=0.053793Jy sigma=0.844468 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.377 mas, bmaj=2.99 mas, bpa=4.735 degrees ! Estimated noise=0.256753 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00099999 Jy ! Component: 100 - total flux cleaned = 0.00146711 Jy ! Component: 150 - total flux cleaned = 0.00178527 Jy ! Component: 200 - total flux cleaned = 0.00195462 Jy ! Total flux subtracted in 200 components = 0.00195462 Jy ! Clean residual min=-0.001116 max=0.001076 Jy/beam ! Clean residual mean=-0.000000 rms=0.000297 Jy/beam ! Combined flux in latest and established models = 0.14987 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 229 components and 0.14987 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=0.053780Jy sigma=0.844165 ! Fit after self-cal, rms=0.053766Jy sigma=0.844092 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 = 0.000271301 Jy ! Component: 100 - total flux cleaned = 0.000394001 Jy ! Component: 150 - total flux cleaned = 0.000522913 Jy ! Component: 200 - total flux cleaned = 0.000606042 Jy ! Total flux subtracted in 200 components = 0.000606042 Jy ! Clean residual min=-0.001103 max=0.001040 Jy/beam ! Clean residual mean=-0.000000 rms=0.000291 Jy/beam ! Combined flux in latest and established models = 0.150476 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 237 components and 0.150476 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=0.053759Jy sigma=0.843929 ! Fit after self-cal, rms=0.053752Jy sigma=0.843892 ! 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=0.9207 mas, bmaj=2.192 mas, bpa=-2.286 degrees ! Estimated noise=0.219306 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9207 x 2.192 at -2.286 degrees (North through East) ! Clean map min=-0.0018963 max=0.041923 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=0.6686 mas, bmaj=1.815 mas, bpa=-3.14 degrees ! Estimated noise=0.460621 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0295675 Jy ! Component: 100 - total flux cleaned = 0.0457952 Jy ! Component: 150 - total flux cleaned = 0.0578091 Jy ! Component: 200 - total flux cleaned = 0.0676331 Jy ! Total flux subtracted in 200 components = 0.0676331 Jy ! Clean residual min=-0.004443 max=0.006064 Jy/beam ! Clean residual mean=0.000006 rms=0.001007 Jy/beam ! Combined flux in latest and established models = 0.0676331 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 25 model components to the UV plane model. ! The established model now contains 25 components and 0.0676331 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9207 mas, bmaj=2.192 mas, bpa=-2.286 degrees ! Estimated noise=0.219306 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 = 0.0139453 Jy ! Component: 100 - total flux cleaned = 0.024061 Jy ! Component: 150 - total flux cleaned = 0.0320248 Jy ! Component: 200 - total flux cleaned = 0.0385889 Jy ! Total flux subtracted in 200 components = 0.0385889 Jy ! Clean residual min=-0.003594 max=0.004226 Jy/beam ! Clean residual mean=0.000007 rms=0.000904 Jy/beam ! Combined flux in latest and established models = 0.106222 Jy ! Adding 63 model components to the UV plane model. ! The established model now contains 74 components and 0.106222 Jy ! Inverting map ! Added new window around map position (1.8, -2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00550578 Jy ! Component: 100 - total flux cleaned = 0.0101736 Jy ! Component: 150 - total flux cleaned = 0.014178 Jy ! Component: 200 - total flux cleaned = 0.0176453 Jy ! Total flux subtracted in 200 components = 0.0176453 Jy ! Clean residual min=-0.002206 max=0.002262 Jy/beam ! Clean residual mean=0.000004 rms=0.000573 Jy/beam ! Combined flux in latest and established models = 0.123867 Jy ! Adding 53 model components to the UV plane model. ! The established model now contains 113 components and 0.123867 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=2.377 mas, bmaj=2.99 mas, bpa=4.735 degrees ! Estimated noise=0.256753 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0051158 Jy ! Component: 100 - total flux cleaned = 0.00892476 Jy ! Component: 150 - total flux cleaned = 0.0119226 Jy ! Component: 200 - total flux cleaned = 0.0143781 Jy ! Total flux subtracted in 200 components = 0.0143781 Jy ! Clean residual min=-0.001749 max=0.001596 Jy/beam ! Clean residual mean=0.000003 rms=0.000495 Jy/beam ! Combined flux in latest and established models = 0.138245 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 = 0.00202612 Jy ! Component: 100 - total flux cleaned = 0.00371455 Jy ! Component: 150 - total flux cleaned = 0.00475101 Jy ! Component: 200 - total flux cleaned = 0.00565701 Jy ! Total flux subtracted in 200 components = 0.00565701 Jy ! Clean residual min=-0.001459 max=0.001141 Jy/beam ! Clean residual mean=0.000001 rms=0.000355 Jy/beam ! Combined flux in latest and established models = 0.143902 Jy ! Adding 92 model components to the UV plane model. ! The established model now contains 184 components and 0.143902 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9207 mas, bmaj=2.192 mas, bpa=-2.286 degrees ! Estimated noise=0.219306 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000458931 Jy ! Component: 100 - total flux cleaned = 0.00125305 Jy ! Component: 150 - total flux cleaned = 0.00168466 Jy ! Component: 200 - total flux cleaned = 0.00218467 Jy ! Total flux subtracted in 200 components = 0.00218467 Jy ! Clean residual min=-0.001221 max=0.001025 Jy/beam ! Clean residual mean=0.000000 rms=0.000263 Jy/beam ! Combined flux in latest and established models = 0.146087 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 203 components and 0.146087 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=0.053814Jy sigma=0.844821 ! Fit after self-cal, rms=0.053750Jy sigma=0.843910 wmodel J1821+3945_X_map.mod ! Writing 203 model components to file: J1821+3945_X_map.mod wobs J1821+3945_X_uvs.fits ! Writing UV FITS file: J1821+3945_X_uvs.fits wwins J1821+3945_X_map.win ! wwins: Wrote 8 windows to J1821+3945_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 = -0.000505375 Jy ! Component: 100 - total flux cleaned = -0.00084001 Jy ! Component: 150 - total flux cleaned = -0.00101771 Jy ! Component: 200 - total flux cleaned = -0.00105237 Jy ! Component: 250 - total flux cleaned = -0.001069 Jy ! Component: 300 - total flux cleaned = -0.00113345 Jy ! Component: 350 - total flux cleaned = -0.00118032 Jy ! Component: 400 - total flux cleaned = -0.00122622 Jy ! Component: 450 - total flux cleaned = -0.00124119 Jy ! Component: 500 - total flux cleaned = -0.00127065 Jy ! Component: 550 - total flux cleaned = -0.00131395 Jy ! Component: 600 - total flux cleaned = -0.00137018 Jy ! Component: 650 - total flux cleaned = -0.00145291 Jy ! Component: 700 - total flux cleaned = -0.00154785 Jy ! Component: 750 - total flux cleaned = -0.00156094 Jy ! Component: 800 - total flux cleaned = -0.00165319 Jy ! Component: 850 - total flux cleaned = -0.00166607 Jy ! Component: 900 - total flux cleaned = -0.00174278 Jy ! Component: 950 - total flux cleaned = -0.00176788 Jy ! Component: 1000 - total flux cleaned = -0.0017928 Jy ! Component: 1050 - total flux cleaned = -0.00176826 Jy ! Component: 1100 - total flux cleaned = -0.00176826 Jy ! Component: 1150 - total flux cleaned = -0.0017801 Jy ! Component: 1200 - total flux cleaned = -0.00176828 Jy ! Component: 1250 - total flux cleaned = -0.0017801 Jy ! Component: 1300 - total flux cleaned = -0.00181488 Jy ! Component: 1350 - total flux cleaned = -0.00180356 Jy ! Component: 1400 - total flux cleaned = -0.0018261 Jy ! Component: 1450 - total flux cleaned = -0.00182621 Jy ! Component: 1500 - total flux cleaned = -0.00184851 Jy ! Component: 1550 - total flux cleaned = -0.0018158 Jy ! Component: 1600 - total flux cleaned = -0.00184851 Jy ! Component: 1650 - total flux cleaned = -0.00186991 Jy ! Component: 1700 - total flux cleaned = -0.00183801 Jy ! Component: 1750 - total flux cleaned = -0.00184851 Jy ! Component: 1800 - total flux cleaned = -0.0018485 Jy ! Component: 1850 - total flux cleaned = -0.00183817 Jy ! Component: 1900 - total flux cleaned = -0.00184834 Jy ! Component: 1950 - total flux cleaned = -0.00183822 Jy ! Component: 2000 - total flux cleaned = -0.00182825 Jy ! Component: 2050 - total flux cleaned = -0.00187813 Jy ! Component: 2100 - total flux cleaned = -0.00182855 Jy ! Component: 2150 - total flux cleaned = -0.0018679 Jy ! Component: 2200 - total flux cleaned = -0.00183844 Jy ! Component: 2250 - total flux cleaned = -0.00188679 Jy ! Component: 2300 - total flux cleaned = -0.00185785 Jy ! Component: 2350 - total flux cleaned = -0.00185781 Jy ! Component: 2400 - total flux cleaned = -0.00185782 Jy ! Component: 2450 - total flux cleaned = -0.00191415 Jy ! Component: 2500 - total flux cleaned = -0.00193276 Jy ! Component: 2550 - total flux cleaned = -0.00196036 Jy ! Component: 2600 - total flux cleaned = -0.00198803 Jy ! Component: 2650 - total flux cleaned = -0.00196074 Jy ! Component: 2700 - total flux cleaned = -0.00196982 Jy ! Component: 2750 - total flux cleaned = -0.0020149 Jy ! Component: 2800 - total flux cleaned = -0.00203274 Jy ! Component: 2850 - total flux cleaned = -0.00202381 Jy ! Component: 2900 - total flux cleaned = -0.00202385 Jy ! Component: 2950 - total flux cleaned = -0.00203266 Jy ! Component: 3000 - total flux cleaned = -0.00203269 Jy ! Component: 3050 - total flux cleaned = -0.00203265 Jy ! Component: 3100 - total flux cleaned = -0.00204122 Jy ! Component: 3150 - total flux cleaned = -0.00205836 Jy ! Component: 3200 - total flux cleaned = -0.00209217 Jy ! Component: 3250 - total flux cleaned = -0.002109 Jy ! Component: 3300 - total flux cleaned = -0.00213421 Jy ! Component: 3350 - total flux cleaned = -0.0021342 Jy ! Component: 3400 - total flux cleaned = -0.00215905 Jy ! Component: 3450 - total flux cleaned = -0.00215083 Jy ! Component: 3500 - total flux cleaned = -0.0021263 Jy ! Component: 3550 - total flux cleaned = -0.00213445 Jy ! Component: 3600 - total flux cleaned = -0.00214263 Jy ! Component: 3650 - total flux cleaned = -0.00215067 Jy ! Component: 3700 - total flux cleaned = -0.00217467 Jy ! Component: 3750 - total flux cleaned = -0.00213496 Jy ! Component: 3800 - total flux cleaned = -0.002127 Jy ! Component: 3850 - total flux cleaned = -0.00214263 Jy ! Component: 3900 - total flux cleaned = -0.00211136 Jy ! Component: 3950 - total flux cleaned = -0.00211907 Jy ! Component: 4000 - total flux cleaned = -0.00212678 Jy ! Component: 4050 - total flux cleaned = -0.00213454 Jy ! Total flux subtracted in 4096 components = -0.00214992 Jy ! Clean residual min=-0.000419 max=0.000534 Jy/beam ! Clean residual mean=0.000000 rms=0.000135 Jy/beam ! Combined flux in latest and established models = 0.143937 Jy keep ! Adding 331 model components to the UV plane model. ! The established model now contains 533 components and 0.143937 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1821+3945_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9207 x 2.192 at -2.286 degrees (North through East) ! Clean map min=-0.001611 max=0.041828 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1821+3945_X_map.fits wmodel /vlbi/bp222/maps//J1821+3945_X_map.mod ! Writing 533 model components to file: /vlbi/bp222/maps//J1821+3945_X_map.mod wobs /vlbi/bp222/maps//J1821+3945_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1821+3945_X_uvs.fits wwins /vlbi/bp222/maps//J1821+3945_X_map.win ! wwins: Wrote 9 windows to /vlbi/bp222/maps//J1821+3945_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0418277 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000134483 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.96455 0.96455 1.9291 3.8582 7.7164 15.4328 30.8656 61.7312 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.041 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 311.026 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1821+3945_X_dfm.log closed on Thu Sep 27 11:29:48 2018