! Started logfile: /vlbi/bp222/maps//J0227-3026_X_dfm.log on Thu Sep 27 10:41:39 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//J0227-3026_X_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J0227-3026_X_uva.fits ! AN table 1: 114 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.82768 visibilities/baseline/integration-bin. ! Found source: J0227-3026 ! ! 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 50952 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 J0227-3026_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 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.042922Jy sigma=11.809060 ! Fit after self-cal, rms=0.740567Jy sigma=8.167646 ! 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=0.6266 mas, bmaj=1.755 mas, bpa=-3.756 degrees ! Estimated noise=0.650442 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 = 0.211082 Jy ! Component: 100 - total flux cleaned = 0.257112 Jy ! Total flux subtracted in 100 components = 0.257112 Jy ! Clean residual min=-0.009497 max=0.016058 Jy/beam ! Clean residual mean=-0.000027 rms=0.002276 Jy/beam ! Combined flux in latest and established models = 0.257112 Jy ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 0.257112 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=0.102950Jy sigma=1.044612 ! Fit after self-cal, rms=0.102740Jy sigma=1.042797 ! Inverting map ! Added new window around map position (1.4, 0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0151978 Jy ! Component: 100 - total flux cleaned = 0.0218111 Jy ! Total flux subtracted in 100 components = 0.0218111 Jy ! Clean residual min=-0.009342 max=0.012303 Jy/beam ! Clean residual mean=-0.000017 rms=0.002099 Jy/beam ! Combined flux in latest and established models = 0.278923 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.278923 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=0.100691Jy sigma=1.000665 ! Fit after self-cal, rms=0.100554Jy sigma=0.997962 ! 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=0.8854 mas, bmaj=2.43 mas, bpa=-4.494 degrees ! Estimated noise=0.299101 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 = 0.00787653 Jy ! Component: 100 - total flux cleaned = 0.00988541 Jy ! Component: 150 - total flux cleaned = 0.0104636 Jy ! Component: 200 - total flux cleaned = 0.0105597 Jy ! Total flux subtracted in 200 components = 0.0105597 Jy ! Clean residual min=-0.008504 max=0.010922 Jy/beam ! Clean residual mean=-0.000039 rms=0.002582 Jy/beam ! Combined flux in latest and established models = 0.289483 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 20 components and 0.289483 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=0.100003Jy sigma=0.988113 ! Fit after self-cal, rms=0.099994Jy sigma=0.987329 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8854 x 2.43 at -4.494 degrees (North through East) ! Clean map min=-0.0084139 max=0.26724 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 HN 1.36 KP 1.05 ! LA 0.96 MK 0.97 NL 1.04 OV 0.94 ! PT 0.96 SC 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.98 HN 1.39 KP 1.06 ! LA 0.97 MK 0.98 NL 1.03 OV 0.93 ! PT 0.96 SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.97 HN 1.38 KP 1.06 ! LA 0.97 MK 0.97 NL 1.04 OV 0.94 ! PT 0.97 SC 0.95 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.97 HN 1.36 KP 1.06 ! LA 0.96 MK 0.97 NL 1.04 OV 0.93 ! PT 0.97 SC 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.97 HN 1.36 KP 1.06 ! LA 0.97 MK 0.97 NL 1.02 OV 0.93 ! PT 0.97 SC 0.95 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.96 HN 1.36 KP 1.05 ! LA 0.97 MK 0.99 NL 1.03 OV 0.94 ! PT 0.96 SC 0.95 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.97 HN 1.37 KP 1.05 ! LA 0.97 MK 0.96 NL 1.04 OV 0.94 ! PT 0.96 SC 0.96 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 HN 1.32 KP 1.06 ! LA 0.96 MK 0.96 NL 1.04 OV 0.94 ! PT 0.96 SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.97 HN 1.29 KP 1.07 ! LA 0.96 MK 0.96 NL 1.03 OV 0.94 ! PT 0.97 SC 0.96 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.97 HN 1.39 KP 1.05 ! LA 0.98 MK 0.97 NL 1.02 OV 0.93 ! PT 0.97 SC 0.99 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.97 HN 1.26 KP 1.05 ! LA 0.97 MK 0.95 NL 1.03 OV 0.94 ! PT 0.96 SC 0.98 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.96 HN 1.35 KP 1.05 ! LA 0.96 MK 0.93 NL 1.02 OV 0.94 ! PT 0.96 SC 0.95 ! ! ! Fit before self-cal, rms=0.099994Jy sigma=0.987329 ! Fit after self-cal, rms=0.103028Jy sigma=0.955262 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8852 mas, bmaj=2.398 mas, bpa=-4.378 degrees ! Estimated noise=0.295124 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 = -0.00570339 Jy ! Component: 100 - total flux cleaned = -0.005679 Jy ! Component: 150 - total flux cleaned = -0.00584588 Jy ! Component: 200 - total flux cleaned = -0.0059466 Jy ! Total flux subtracted in 200 components = -0.0059466 Jy ! Clean residual min=-0.007292 max=0.009835 Jy/beam ! Clean residual mean=-0.000020 rms=0.002325 Jy/beam ! Combined flux in latest and established models = 0.283537 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 32 components and 0.283537 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=0.102668Jy sigma=0.952063 ! Fit after self-cal, rms=0.102720Jy sigma=0.950986 ! 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=0.102720Jy sigma=0.950986 ! Fit after self-cal, rms=0.102662Jy sigma=0.931757 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8863 mas, bmaj=2.408 mas, bpa=-4.348 degrees ! Estimated noise=0.291994 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00324047 Jy ! Component: 100 - total flux cleaned = -0.00445532 Jy ! Component: 150 - total flux cleaned = -0.00457891 Jy ! Component: 200 - total flux cleaned = -0.00461591 Jy ! Total flux subtracted in 200 components = -0.00461591 Jy ! Clean residual min=-0.007718 max=0.009520 Jy/beam ! Clean residual mean=-0.000024 rms=0.002177 Jy/beam ! Combined flux in latest and established models = 0.278921 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 40 components and 0.278921 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=0.102499Jy sigma=0.931219 ! Fit after self-cal, rms=0.102497Jy sigma=0.930997 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 (-12, 24.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00890568 Jy ! Component: 100 - total flux cleaned = 0.011071 Jy ! Component: 150 - total flux cleaned = 0.0118765 Jy ! Component: 200 - total flux cleaned = 0.0120793 Jy ! Total flux subtracted in 200 components = 0.0120793 Jy ! Clean residual min=-0.007463 max=0.008507 Jy/beam ! Clean residual mean=-0.000006 rms=0.002105 Jy/beam ! Combined flux in latest and established models = 0.291 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 64 components and 0.291 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=0.101721Jy sigma=0.919153 ! Fit after self-cal, rms=0.101607Jy sigma=0.917096 ! 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=0.101607Jy sigma=0.917096 ! Fit after self-cal, rms=0.189001Jy sigma=0.737460 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8874 mas, bmaj=2.406 mas, bpa=-4.344 degrees ! Estimated noise=0.294343 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00312496 Jy ! Component: 100 - total flux cleaned = -0.00416596 Jy ! Component: 150 - total flux cleaned = -0.00463208 Jy ! Component: 200 - total flux cleaned = -0.00480759 Jy ! Total flux subtracted in 200 components = -0.00480759 Jy ! Clean residual min=-0.001930 max=0.002909 Jy/beam ! Clean residual mean=0.000001 rms=0.000399 Jy/beam ! Combined flux in latest and established models = 0.286192 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 77 components and 0.286192 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=0.188930Jy sigma=0.735601 ! Fit after self-cal, rms=0.189299Jy sigma=0.734852 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 (0.4, -7.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00150091 Jy ! Component: 100 - total flux cleaned = 0.00132049 Jy ! Component: 150 - total flux cleaned = 0.00131338 Jy ! Component: 200 - total flux cleaned = 0.00131098 Jy ! Total flux subtracted in 200 components = 0.00131098 Jy ! Clean residual min=-0.001694 max=0.001493 Jy/beam ! Clean residual mean=0.000004 rms=0.000342 Jy/beam ! Combined flux in latest and established models = 0.287503 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 95 components and 0.287503 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=0.189244Jy sigma=0.733516 ! Fit after self-cal, rms=0.189246Jy sigma=0.733448 ! 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=0.189246Jy sigma=0.733448 ! Fit after self-cal, rms=0.193784Jy sigma=0.732861 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.411 mas, bmaj=6.594 mas, bpa=6.542 degrees ! Estimated noise=0.349058 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000609504 Jy ! Component: 100 - total flux cleaned = -0.00093182 Jy ! Component: 150 - total flux cleaned = -0.00101861 Jy ! Component: 200 - total flux cleaned = -0.00112954 Jy ! Total flux subtracted in 200 components = -0.00112954 Jy ! Clean residual min=-0.001415 max=0.001259 Jy/beam ! Clean residual mean=0.000006 rms=0.000378 Jy/beam ! Combined flux in latest and established models = 0.286374 Jy selfcal ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 122 components and 0.286374 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=0.193750Jy sigma=0.732284 ! Fit after self-cal, rms=0.193776Jy sigma=0.732228 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 = -0.000195974 Jy ! Component: 100 - total flux cleaned = -0.000289467 Jy ! Component: 150 - total flux cleaned = -0.000397006 Jy ! Component: 200 - total flux cleaned = -0.000488486 Jy ! Total flux subtracted in 200 components = -0.000488486 Jy ! Clean residual min=-0.001380 max=0.001220 Jy/beam ! Clean residual mean=0.000005 rms=0.000363 Jy/beam ! Combined flux in latest and established models = 0.285885 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 131 components and 0.285885 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=0.193762Jy sigma=0.732113 ! Fit after self-cal, rms=0.193767Jy sigma=0.732085 ! 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=0.8874 mas, bmaj=2.404 mas, bpa=-4.395 degrees ! Estimated noise=0.293713 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8874 x 2.404 at -4.395 degrees (North through East) ! Clean map min=-0.0024783 max=0.26661 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=0.6267 mas, bmaj=1.732 mas, bpa=-3.35 degrees ! Estimated noise=0.644465 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.209059 Jy ! Component: 100 - total flux cleaned = 0.255127 Jy ! Component: 150 - total flux cleaned = 0.269202 Jy ! Component: 200 - total flux cleaned = 0.274939 Jy ! Total flux subtracted in 200 components = 0.274939 Jy ! Clean residual min=-0.003436 max=0.003592 Jy/beam ! Clean residual mean=-0.000005 rms=0.000637 Jy/beam ! Combined flux in latest and established models = 0.274939 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 0.274939 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8874 mas, bmaj=2.404 mas, bpa=-4.395 degrees ! Estimated noise=0.293713 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 = 0.00458317 Jy ! Component: 100 - total flux cleaned = 0.00610074 Jy ! Component: 150 - total flux cleaned = 0.00698493 Jy ! Component: 200 - total flux cleaned = 0.00768975 Jy ! Total flux subtracted in 200 components = 0.00768975 Jy ! Clean residual min=-0.001593 max=0.001402 Jy/beam ! Clean residual mean=-0.000003 rms=0.000316 Jy/beam ! Combined flux in latest and established models = 0.282628 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 39 components and 0.282628 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=2.411 mas, bmaj=6.594 mas, bpa=6.542 degrees ! Estimated noise=0.349058 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00171695 Jy ! Component: 100 - total flux cleaned = 0.00243331 Jy ! Component: 150 - total flux cleaned = 0.00252236 Jy ! Component: 200 - total flux cleaned = 0.00252214 Jy ! Total flux subtracted in 200 components = 0.00252214 Jy ! Clean residual min=-0.001640 max=0.001326 Jy/beam ! Clean residual mean=0.000003 rms=0.000376 Jy/beam ! Combined flux in latest and established models = 0.28515 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 = -2.22055e-05 Jy ! Component: 100 - total flux cleaned = -4.17379e-05 Jy ! Component: 150 - total flux cleaned = -4.10004e-05 Jy ! Component: 200 - total flux cleaned = -2.38549e-05 Jy ! Total flux subtracted in 200 components = -2.38549e-05 Jy ! Clean residual min=-0.001579 max=0.001277 Jy/beam ! Clean residual mean=0.000003 rms=0.000369 Jy/beam ! Combined flux in latest and established models = 0.285127 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 61 components and 0.285127 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8874 mas, bmaj=2.404 mas, bpa=-4.395 degrees ! Estimated noise=0.293713 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.23853e-05 Jy ! Component: 100 - total flux cleaned = 0.000128629 Jy ! Component: 150 - total flux cleaned = 0.000194486 Jy ! Component: 200 - total flux cleaned = 0.00033807 Jy ! Total flux subtracted in 200 components = 0.00033807 Jy ! Clean residual min=-0.001321 max=0.001301 Jy/beam ! Clean residual mean=0.000002 rms=0.000282 Jy/beam ! Combined flux in latest and established models = 0.285465 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 72 components and 0.285465 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=0.193758Jy sigma=0.731812 ! Fit after self-cal, rms=0.193753Jy sigma=0.731557 wmodel J0227-3026_X_map.mod ! Writing 72 model components to file: J0227-3026_X_map.mod wobs J0227-3026_X_uvs.fits ! Writing UV FITS file: J0227-3026_X_uvs.fits wwins J0227-3026_X_map.win ! wwins: Wrote 4 windows to J0227-3026_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 = -0.000259157 Jy ! Component: 100 - total flux cleaned = -0.000469274 Jy ! Component: 150 - total flux cleaned = -0.00066623 Jy ! Component: 200 - total flux cleaned = -0.00089342 Jy ! Component: 250 - total flux cleaned = -0.0011509 Jy ! Component: 300 - total flux cleaned = -0.00138341 Jy ! Component: 350 - total flux cleaned = -0.00155784 Jy ! Component: 400 - total flux cleaned = -0.00169419 Jy ! Component: 450 - total flux cleaned = -0.00184387 Jy ! Component: 500 - total flux cleaned = -0.00199061 Jy ! Component: 550 - total flux cleaned = -0.00211848 Jy ! Component: 600 - total flux cleaned = -0.0022442 Jy ! Component: 650 - total flux cleaned = -0.00236806 Jy ! Component: 700 - total flux cleaned = -0.00247476 Jy ! Component: 750 - total flux cleaned = -0.00258005 Jy ! Component: 800 - total flux cleaned = -0.00269875 Jy ! Component: 850 - total flux cleaned = -0.00277207 Jy ! Component: 900 - total flux cleaned = -0.0028876 Jy ! Component: 950 - total flux cleaned = -0.00297317 Jy ! Component: 1000 - total flux cleaned = -0.00304355 Jy ! Component: 1050 - total flux cleaned = -0.00309919 Jy ! Component: 1100 - total flux cleaned = -0.00314063 Jy ! Component: 1150 - total flux cleaned = -0.00320881 Jy ! Component: 1200 - total flux cleaned = -0.0032627 Jy ! Component: 1250 - total flux cleaned = -0.00334235 Jy ! Component: 1300 - total flux cleaned = -0.00335538 Jy ! Component: 1350 - total flux cleaned = -0.00339455 Jy ! Component: 1400 - total flux cleaned = -0.0034591 Jy ! Component: 1450 - total flux cleaned = -0.00351022 Jy ! Component: 1500 - total flux cleaned = -0.00353552 Jy ! Component: 1550 - total flux cleaned = -0.00358587 Jy ! Component: 1600 - total flux cleaned = -0.00366044 Jy ! Component: 1650 - total flux cleaned = -0.00366037 Jy ! Component: 1700 - total flux cleaned = -0.00370936 Jy ! Component: 1750 - total flux cleaned = -0.00375791 Jy ! Component: 1800 - total flux cleaned = -0.00379401 Jy ! Component: 1850 - total flux cleaned = -0.00382981 Jy ! Component: 1900 - total flux cleaned = -0.00386521 Jy ! Component: 1950 - total flux cleaned = -0.00388864 Jy ! Component: 2000 - total flux cleaned = -0.00395862 Jy ! Component: 2050 - total flux cleaned = -0.00395866 Jy ! Component: 2100 - total flux cleaned = -0.00400462 Jy ! Component: 2150 - total flux cleaned = -0.00401608 Jy ! Component: 2200 - total flux cleaned = -0.00401607 Jy ! Component: 2250 - total flux cleaned = -0.00407244 Jy ! Component: 2300 - total flux cleaned = -0.00409483 Jy ! Component: 2350 - total flux cleaned = -0.00409475 Jy ! Component: 2400 - total flux cleaned = -0.00413865 Jy ! Component: 2450 - total flux cleaned = -0.00411681 Jy ! Component: 2500 - total flux cleaned = -0.0041711 Jy ! Component: 2550 - total flux cleaned = -0.00410632 Jy ! Component: 2600 - total flux cleaned = -0.00412785 Jy ! Component: 2650 - total flux cleaned = -0.00411717 Jy ! Component: 2700 - total flux cleaned = -0.0041172 Jy ! Component: 2750 - total flux cleaned = -0.00411711 Jy ! Component: 2800 - total flux cleaned = -0.00414852 Jy ! Component: 2850 - total flux cleaned = -0.00413809 Jy ! Component: 2900 - total flux cleaned = -0.0040967 Jy ! Component: 2950 - total flux cleaned = -0.00415844 Jy ! Component: 3000 - total flux cleaned = -0.00414821 Jy ! Component: 3050 - total flux cleaned = -0.00417882 Jy ! Component: 3100 - total flux cleaned = -0.00413834 Jy ! Component: 3150 - total flux cleaned = -0.00418873 Jy ! Component: 3200 - total flux cleaned = -0.00422883 Jy ! Component: 3250 - total flux cleaned = -0.00423879 Jy ! Component: 3300 - total flux cleaned = -0.00422885 Jy ! Component: 3350 - total flux cleaned = -0.004298 Jy ! Component: 3400 - total flux cleaned = -0.00431772 Jy ! Component: 3450 - total flux cleaned = -0.00430789 Jy ! Component: 3500 - total flux cleaned = -0.00433706 Jy ! Component: 3550 - total flux cleaned = -0.00437585 Jy ! Component: 3600 - total flux cleaned = -0.00435651 Jy ! Component: 3650 - total flux cleaned = -0.00436615 Jy ! Component: 3700 - total flux cleaned = -0.00441405 Jy ! Component: 3750 - total flux cleaned = -0.00446167 Jy ! Component: 3800 - total flux cleaned = -0.0044711 Jy ! Component: 3850 - total flux cleaned = -0.00447118 Jy ! Component: 3900 - total flux cleaned = -0.00450878 Jy ! Component: 3950 - total flux cleaned = -0.00448069 Jy ! Component: 4000 - total flux cleaned = -0.00448072 Jy ! Component: 4050 - total flux cleaned = -0.00450856 Jy ! Total flux subtracted in 4096 components = -0.00450856 Jy ! Clean residual min=-0.000503 max=0.000692 Jy/beam ! Clean residual mean=-0.000000 rms=0.000166 Jy/beam ! Combined flux in latest and established models = 0.280956 Jy keep ! Adding 288 model components to the UV plane model. ! The established model now contains 360 components and 0.280956 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J0227-3026_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8874 x 2.404 at -4.395 degrees (North through East) ! Clean map min=-0.00099343 max=0.26675 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J0227-3026_X_map.fits wmodel /vlbi/bp222/maps//J0227-3026_X_map.mod ! Writing 360 model components to file: /vlbi/bp222/maps//J0227-3026_X_map.mod wobs /vlbi/bp222/maps//J0227-3026_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J0227-3026_X_uvs.fits wwins /vlbi/bp222/maps//J0227-3026_X_map.win ! wwins: Wrote 5 windows to /vlbi/bp222/maps//J0227-3026_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.266753 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000165794 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.186458 0.186458 0.372916 0.745831 1.49166 2.98333 5.96665 11.9333 23.8666 47.7332 95.4664 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.266 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1608.94 quit ! Quitting program ! Log file /vlbi/bp222/maps//J0227-3026_X_dfm.log closed on Thu Sep 27 10:41:45 2018