! Started logfile: /vlbi/uf001/uva//J0816-2421_X_dfm.log on Sun Jan 13 23:51:37 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//J0816-2421_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0816-2421_X_uva.fits ! AN table 1: 28 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.952381 visibilities/baseline/integration-bin. ! Found source: J0816-2421 ! ! 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 14400 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 J0816-2421_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 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.399514Jy sigma=17.900167 ! Fit after self-cal, rms=0.211915Jy sigma=2.384220 ! 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=0.6184 mas, bmaj=1.677 mas, bpa=-9.627 degrees ! Estimated noise=0.854389 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 = 0.763303 Jy ! Component: 100 - total flux cleaned = 0.929753 Jy ! Total flux subtracted in 100 components = 0.929753 Jy ! Clean residual min=-0.039951 max=0.049351 Jy/beam ! Clean residual mean=0.000017 rms=0.008467 Jy/beam ! Combined flux in latest and established models = 0.929753 Jy ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 0.929753 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=0.212340Jy sigma=2.561256 ! Fit after self-cal, rms=0.212336Jy sigma=2.561244 ! 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=0.7889 mas, bmaj=2.031 mas, bpa=-7.92 degrees ! Estimated noise=0.521715 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 = 0.0489892 Jy ! Component: 100 - total flux cleaned = 0.0677446 Jy ! Component: 150 - total flux cleaned = 0.0718755 Jy ! Component: 200 - total flux cleaned = 0.0726078 Jy ! Total flux subtracted in 200 components = 0.0726078 Jy ! Clean residual min=-0.045474 max=0.038825 Jy/beam ! Clean residual mean=0.000098 rms=0.010364 Jy/beam ! Combined flux in latest and established models = 1.00236 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 1.00236 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=0.207663Jy sigma=2.359218 ! Fit after self-cal, rms=0.207655Jy sigma=2.359100 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7889 x 2.031 at -7.92 degrees (North through East) ! Clean map min=-0.044036 max=0.97595 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.98 HN 1.07 KP 0.97 ! LA 0.80 MK 0.99 NL 1.08 OV 0.93 ! PT 1.31 SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.99 HN 1.08 KP 0.96 ! LA 0.80 MK 0.99 NL 1.09 OV 0.94 ! PT 1.36 SC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.00 HN 1.07 KP 0.95 ! LA 0.82 MK 1.00 NL 1.07 OV 0.92 ! PT 1.30 SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.99 HN 1.07 KP 0.97 ! LA 0.81 MK 1.00 NL 1.06 OV 0.94 ! PT 1.29 SC 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.99 HN 1.06 KP 0.97 ! LA 0.80 MK 1.00 NL 1.07 OV 0.92 ! PT 1.38 SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.99 HN 1.06 KP 0.97 ! LA 0.80 MK 1.00 NL 1.07 OV 0.93 ! PT 1.35 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.99 HN 1.06 KP 0.97 ! LA 0.80 MK 0.99 NL 1.06 OV 0.93 ! PT 1.34 SC 0.96 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.00 HN 1.06 KP 0.96 ! LA 0.79 MK 0.99 NL 1.06 OV 0.93 ! PT 1.32 SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.99 HN 1.05 KP 0.97 ! LA 0.79 MK 0.99 NL 1.06 OV 0.93 ! PT 1.33 SC 0.96 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.99 HN 1.04 KP 0.97 ! LA 0.79 MK 0.99 NL 1.08 OV 0.93 ! PT 1.31 SC 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.00 HN 1.06 KP 0.97 ! LA 0.79 MK 0.99 NL 1.08 OV 0.92 ! PT 1.33 SC 0.96 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.98 HN 1.05 KP 0.97 ! LA 0.80 MK 0.99 NL 1.09 OV 0.93 ! PT 1.31 SC 0.94 ! ! ! Fit before self-cal, rms=0.207655Jy sigma=2.359100 ! Fit after self-cal, rms=0.144555Jy sigma=1.311978 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7873 mas, bmaj=2.022 mas, bpa=-7.557 degrees ! Estimated noise=0.518362 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 (-5.4, 19.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0194871 Jy ! Component: 100 - total flux cleaned = 0.0224201 Jy ! Component: 150 - total flux cleaned = 0.0234711 Jy ! Component: 200 - total flux cleaned = 0.0245523 Jy ! Total flux subtracted in 200 components = 0.0245523 Jy ! Clean residual min=-0.015093 max=0.023043 Jy/beam ! Clean residual mean=0.000030 rms=0.003823 Jy/beam ! Combined flux in latest and established models = 1.02691 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 29 components and 1.02691 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=0.139522Jy sigma=1.276177 ! Fit after self-cal, rms=0.139335Jy sigma=1.262939 ! 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=0.139335Jy sigma=1.262939 ! Fit after self-cal, rms=0.114497Jy sigma=1.037886 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7878 mas, bmaj=2.022 mas, bpa=-7.357 degrees ! Estimated noise=0.521092 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000347815 Jy ! Component: 100 - total flux cleaned = -6.60627e-05 Jy ! Component: 150 - total flux cleaned = -5.97748e-05 Jy ! Component: 200 - total flux cleaned = 5.10826e-05 Jy ! Total flux subtracted in 200 components = 5.10826e-05 Jy ! Clean residual min=-0.006046 max=0.007434 Jy/beam ! Clean residual mean=0.000006 rms=0.001694 Jy/beam ! Combined flux in latest and established models = 1.02697 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 45 components and 1.02696 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=0.114204Jy sigma=1.033882 ! Fit after self-cal, rms=0.114263Jy sigma=1.033787 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 (23.2, 43.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00711818 Jy ! Component: 100 - total flux cleaned = 0.0100369 Jy ! Component: 150 - total flux cleaned = 0.0106755 Jy ! Component: 200 - total flux cleaned = 0.0112288 Jy ! Total flux subtracted in 200 components = 0.0112288 Jy ! Clean residual min=-0.005911 max=0.007196 Jy/beam ! Clean residual mean=0.000005 rms=0.001599 Jy/beam ! Combined flux in latest and established models = 1.03819 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 70 components and 1.03819 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=0.113577Jy sigma=1.026955 ! Fit after self-cal, rms=0.113552Jy sigma=1.025944 ! 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=0.113552Jy sigma=1.025944 ! Fit after self-cal, rms=0.112150Jy sigma=0.985873 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7874 mas, bmaj=2.021 mas, bpa=-7.274 degrees ! Estimated noise=0.521808 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00482324 Jy ! Component: 100 - total flux cleaned = -0.00590882 Jy ! Component: 150 - total flux cleaned = -0.00649714 Jy ! Component: 200 - total flux cleaned = -0.00714788 Jy ! Total flux subtracted in 200 components = -0.00714788 Jy ! Clean residual min=-0.003963 max=0.003805 Jy/beam ! Clean residual mean=0.000003 rms=0.000836 Jy/beam ! Combined flux in latest and established models = 1.03105 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 86 components and 1.03105 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=0.111749Jy sigma=0.980781 ! Fit after self-cal, rms=0.111701Jy sigma=0.979829 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 (6.6, 12.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00135641 Jy ! Component: 100 - total flux cleaned = 0.00110617 Jy ! Component: 150 - total flux cleaned = 0.000663598 Jy ! Component: 200 - total flux cleaned = 0.000462515 Jy ! Total flux subtracted in 200 components = 0.000462515 Jy ! Clean residual min=-0.003485 max=0.002895 Jy/beam ! Clean residual mean=0.000002 rms=0.000758 Jy/beam ! Combined flux in latest and established models = 1.03151 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 101 components and 1.03151 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=0.111515Jy sigma=0.977575 ! Fit after self-cal, rms=0.111492Jy sigma=0.977404 ! 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=0.111492Jy sigma=0.977404 ! Fit after self-cal, rms=0.111681Jy sigma=0.976275 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.136 mas, bmaj=4.792 mas, bpa=-2.744 degrees ! Estimated noise=0.713123 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00265533 Jy ! Component: 100 - total flux cleaned = -0.00301454 Jy ! Component: 150 - total flux cleaned = -0.00358037 Jy ! Component: 200 - total flux cleaned = -0.00397725 Jy ! Total flux subtracted in 200 components = -0.00397725 Jy ! Clean residual min=-0.003645 max=0.003353 Jy/beam ! Clean residual mean=0.000006 rms=0.001055 Jy/beam ! Combined flux in latest and established models = 1.02753 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 118 components and 1.02753 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=0.111593Jy sigma=0.975225 ! Fit after self-cal, rms=0.111571Jy sigma=0.974948 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 = -0.0010948 Jy ! Component: 100 - total flux cleaned = -0.00133539 Jy ! Component: 150 - total flux cleaned = -0.00169382 Jy ! Component: 200 - total flux cleaned = -0.00192861 Jy ! Total flux subtracted in 200 components = -0.00192861 Jy ! Clean residual min=-0.003404 max=0.003400 Jy/beam ! Clean residual mean=0.000005 rms=0.000980 Jy/beam ! Combined flux in latest and established models = 1.0256 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 134 components and 1.0256 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=0.111549Jy sigma=0.974821 ! Fit after self-cal, rms=0.111539Jy sigma=0.974730 ! 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=0.787 mas, bmaj=2.02 mas, bpa=-7.248 degrees ! Estimated noise=0.521658 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.787 x 2.02 at -7.248 degrees (North through East) ! Clean map min=-0.0042888 max=0.97336 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 ! Performing amp+phase self-cal ! ! 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=0.111539Jy sigma=0.974730 ! Fit after self-cal, rms=0.107225Jy sigma=0.906449 ! Inverting map and beam ! Estimated beam: bmin=0.7867 mas, bmaj=2.019 mas, bpa=-7.269 degrees ! Estimated noise=0.521449 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000864501 Jy ! Component: 100 - total flux cleaned = -0.00106401 Jy ! Component: 150 - total flux cleaned = -0.00128996 Jy ! Component: 200 - total flux cleaned = -0.00160284 Jy ! Total flux subtracted in 200 components = -0.00160284 Jy ! Clean residual min=-0.002982 max=0.002550 Jy/beam ! Clean residual mean=0.000003 rms=0.000623 Jy/beam ! Combined flux in latest and established models = 1.024 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 147 components and 1.024 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=0.107139Jy sigma=0.905328 ! Fit after self-cal, rms=0.107127Jy sigma=0.905216 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000683101 Jy ! Component: 100 - total flux cleaned = -0.00102758 Jy ! Component: 150 - total flux cleaned = -0.00116517 Jy ! Component: 200 - total flux cleaned = -0.00133867 Jy ! Total flux subtracted in 200 components = -0.00133867 Jy ! Clean residual min=-0.002892 max=0.002396 Jy/beam ! Clean residual mean=0.000003 rms=0.000604 Jy/beam ! Combined flux in latest and established models = 1.02266 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 153 components and 1.02266 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=0.107081Jy sigma=0.904587 ! Fit after self-cal, rms=0.107075Jy sigma=0.904541 ! Inverting map ! Performing amp+phase self-cal ! ! 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=0.107075Jy sigma=0.904541 ! Fit after self-cal, rms=0.107219Jy sigma=0.904329 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=0.6178 mas, bmaj=1.664 mas, bpa=-8.873 degrees ! Estimated noise=0.853922 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.762843 Jy ! Component: 100 - total flux cleaned = 0.929193 Jy ! Component: 150 - total flux cleaned = 0.969877 Jy ! Component: 200 - total flux cleaned = 0.986718 Jy ! Total flux subtracted in 200 components = 0.986718 Jy ! Clean residual min=-0.005993 max=0.011391 Jy/beam ! Clean residual mean=-0.000003 rms=0.001349 Jy/beam ! Combined flux in latest and established models = 0.986718 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 7 model components to the UV plane model. ! The established model now contains 7 components and 0.986718 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7865 mas, bmaj=2.018 mas, bpa=-7.256 degrees ! Estimated noise=0.521427 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 = 0.0105451 Jy ! Component: 100 - total flux cleaned = 0.016673 Jy ! Component: 150 - total flux cleaned = 0.0193382 Jy ! Component: 200 - total flux cleaned = 0.0214474 Jy ! Total flux subtracted in 200 components = 0.0214474 Jy ! Clean residual min=-0.003459 max=0.006090 Jy/beam ! Clean residual mean=0.000002 rms=0.000806 Jy/beam ! Combined flux in latest and established models = 1.00817 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 27 components and 1.00817 Jy ! Inverting map ! Added new window around map position (1, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0041252 Jy ! Component: 100 - total flux cleaned = 0.00506165 Jy ! Component: 150 - total flux cleaned = 0.00553391 Jy ! Component: 200 - total flux cleaned = 0.00564109 Jy ! Total flux subtracted in 200 components = 0.00564109 Jy ! Clean residual min=-0.003084 max=0.003907 Jy/beam ! Clean residual mean=0.000003 rms=0.000693 Jy/beam ! Combined flux in latest and established models = 1.01381 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 47 components and 1.01381 Jy ! Inverting map ! Added new window around map position (-1, -1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00128615 Jy ! Component: 100 - total flux cleaned = 0.00181945 Jy ! Component: 150 - total flux cleaned = 0.00208985 Jy ! Component: 200 - total flux cleaned = 0.00241143 Jy ! Total flux subtracted in 200 components = 0.00241143 Jy ! Clean residual min=-0.002788 max=0.002614 Jy/beam ! Clean residual mean=0.000004 rms=0.000623 Jy/beam ! Combined flux in latest and established models = 1.01622 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 69 components and 1.01622 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=2.136 mas, bmaj=4.791 mas, bpa=-2.73 degrees ! Estimated noise=0.713355 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00181286 Jy ! Component: 100 - total flux cleaned = 0.00207123 Jy ! Component: 150 - total flux cleaned = 0.00229204 Jy ! Component: 200 - total flux cleaned = 0.00254275 Jy ! Total flux subtracted in 200 components = 0.00254275 Jy ! Clean residual min=-0.003220 max=0.002975 Jy/beam ! Clean residual mean=0.000007 rms=0.000859 Jy/beam ! Combined flux in latest and established models = 1.01876 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 = 0.000225767 Jy ! Component: 100 - total flux cleaned = 0.000430531 Jy ! Component: 150 - total flux cleaned = 0.000614933 Jy ! Component: 200 - total flux cleaned = 0.000785413 Jy ! Total flux subtracted in 200 components = 0.000785413 Jy ! Clean residual min=-0.003302 max=0.002951 Jy/beam ! Clean residual mean=0.000007 rms=0.000841 Jy/beam ! Combined flux in latest and established models = 1.01955 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 102 components and 1.01955 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7865 mas, bmaj=2.018 mas, bpa=-7.256 degrees ! Estimated noise=0.521427 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000616388 Jy ! Component: 100 - total flux cleaned = -0.000693088 Jy ! Component: 150 - total flux cleaned = -0.000515392 Jy ! Component: 200 - total flux cleaned = -0.000352183 Jy ! Total flux subtracted in 200 components = -0.000352183 Jy ! Clean residual min=-0.002338 max=0.002209 Jy/beam ! Clean residual mean=0.000003 rms=0.000567 Jy/beam ! Combined flux in latest and established models = 1.01919 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 113 components and 1.01919 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=0.107112Jy sigma=0.902824 ! Fit after self-cal, rms=0.107073Jy sigma=0.902256 wmodel J0816-2421_X_map.mod ! Writing 113 model components to file: J0816-2421_X_map.mod wobs J0816-2421_X_uvs.fits ! Writing UV FITS file: J0816-2421_X_uvs.fits wwins J0816-2421_X_map.win ! wwins: Wrote 6 windows to J0816-2421_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 = -0.000760643 Jy ! Component: 100 - total flux cleaned = -0.00142959 Jy ! Component: 150 - total flux cleaned = -0.00191938 Jy ! Component: 200 - total flux cleaned = -0.00221002 Jy ! Component: 250 - total flux cleaned = -0.00238624 Jy ! Component: 300 - total flux cleaned = -0.00252262 Jy ! Component: 350 - total flux cleaned = -0.00252252 Jy ! Component: 400 - total flux cleaned = -0.00249008 Jy ! Component: 450 - total flux cleaned = -0.00236319 Jy ! Component: 500 - total flux cleaned = -0.00233182 Jy ! Component: 550 - total flux cleaned = -0.00227036 Jy ! Component: 600 - total flux cleaned = -0.00227091 Jy ! Component: 650 - total flux cleaned = -0.00241865 Jy ! Component: 700 - total flux cleaned = -0.00241834 Jy ! Component: 750 - total flux cleaned = -0.00244752 Jy ! Component: 800 - total flux cleaned = -0.00250438 Jy ! Component: 850 - total flux cleaned = -0.00261636 Jy ! Component: 900 - total flux cleaned = -0.0026438 Jy ! Component: 950 - total flux cleaned = -0.00269828 Jy ! Component: 1000 - total flux cleaned = -0.00283223 Jy ! Component: 1050 - total flux cleaned = -0.00293741 Jy ! Component: 1100 - total flux cleaned = -0.00296362 Jy ! Component: 1150 - total flux cleaned = -0.00311793 Jy ! Component: 1200 - total flux cleaned = -0.00324442 Jy ! Component: 1250 - total flux cleaned = -0.00329455 Jy ! Component: 1300 - total flux cleaned = -0.00349314 Jy ! Component: 1350 - total flux cleaned = -0.00361558 Jy ! Component: 1400 - total flux cleaned = -0.00368854 Jy ! Component: 1450 - total flux cleaned = -0.00385663 Jy ! Component: 1500 - total flux cleaned = -0.00402257 Jy ! Component: 1550 - total flux cleaned = -0.00402257 Jy ! Component: 1600 - total flux cleaned = -0.00413863 Jy ! Component: 1650 - total flux cleaned = -0.00425353 Jy ! Component: 1700 - total flux cleaned = -0.00432173 Jy ! Component: 1750 - total flux cleaned = -0.00432152 Jy ! Component: 1800 - total flux cleaned = -0.00436621 Jy ! Component: 1850 - total flux cleaned = -0.00445407 Jy ! Component: 1900 - total flux cleaned = -0.00445395 Jy ! Component: 1950 - total flux cleaned = -0.0044973 Jy ! Component: 2000 - total flux cleaned = -0.00454029 Jy ! Component: 2050 - total flux cleaned = -0.00456156 Jy ! Component: 2100 - total flux cleaned = -0.00460348 Jy ! Component: 2150 - total flux cleaned = -0.00456211 Jy ! Component: 2200 - total flux cleaned = -0.00460386 Jy ! Component: 2250 - total flux cleaned = -0.00454218 Jy ! Component: 2300 - total flux cleaned = -0.00454209 Jy ! Component: 2350 - total flux cleaned = -0.00462247 Jy ! Component: 2400 - total flux cleaned = -0.00460231 Jy ! Component: 2450 - total flux cleaned = -0.00448314 Jy ! Component: 2500 - total flux cleaned = -0.00450305 Jy ! Component: 2550 - total flux cleaned = -0.00454215 Jy ! Component: 2600 - total flux cleaned = -0.00452269 Jy ! Component: 2650 - total flux cleaned = -0.00442647 Jy ! Component: 2700 - total flux cleaned = -0.00444571 Jy ! Component: 2750 - total flux cleaned = -0.00448386 Jy ! Component: 2800 - total flux cleaned = -0.00454024 Jy ! Component: 2850 - total flux cleaned = -0.0045029 Jy ! Component: 2900 - total flux cleaned = -0.00455856 Jy ! Component: 2950 - total flux cleaned = -0.00455851 Jy ! Component: 3000 - total flux cleaned = -0.00461334 Jy ! Component: 3050 - total flux cleaned = -0.00459506 Jy ! Component: 3100 - total flux cleaned = -0.00452286 Jy ! Component: 3150 - total flux cleaned = -0.00452293 Jy ! Component: 3200 - total flux cleaned = -0.00448718 Jy ! Component: 3250 - total flux cleaned = -0.00450483 Jy ! Component: 3300 - total flux cleaned = -0.00457513 Jy ! Component: 3350 - total flux cleaned = -0.00448774 Jy ! Component: 3400 - total flux cleaned = -0.00440131 Jy ! Component: 3450 - total flux cleaned = -0.00447014 Jy ! Component: 3500 - total flux cleaned = -0.004453 Jy ! Component: 3550 - total flux cleaned = -0.00431699 Jy ! Component: 3600 - total flux cleaned = -0.00433408 Jy ! Component: 3650 - total flux cleaned = -0.00436754 Jy ! Component: 3700 - total flux cleaned = -0.00428418 Jy ! Component: 3750 - total flux cleaned = -0.00421784 Jy ! Component: 3800 - total flux cleaned = -0.00423442 Jy ! Component: 3850 - total flux cleaned = -0.00423446 Jy ! Component: 3900 - total flux cleaned = -0.00416929 Jy ! Component: 3950 - total flux cleaned = -0.0041693 Jy ! Component: 4000 - total flux cleaned = -0.00408908 Jy ! Component: 4050 - total flux cleaned = -0.00402523 Jy ! Total flux subtracted in 4096 components = -0.00404128 Jy ! Clean residual min=-0.001160 max=0.000893 Jy/beam ! Clean residual mean=0.000002 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 1.01515 Jy keep ! Adding 304 model components to the UV plane model. ! The established model now contains 417 components and 1.01515 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0816-2421_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7865 x 2.018 at -7.256 degrees (North through East) ! Clean map min=-0.0015611 max=0.97991 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0816-2421_X_map.fits wmodel /vlbi/uf001/uva//J0816-2421_X_map.mod ! Writing 417 model components to file: /vlbi/uf001/uva//J0816-2421_X_map.mod wobs /vlbi/uf001/uva//J0816-2421_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0816-2421_X_uvs.fits wwins /vlbi/uf001/uva//J0816-2421_X_map.win ! wwins: Wrote 7 windows to /vlbi/uf001/uva//J0816-2421_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.979913 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000271826 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0832194 0.0832194 0.166439 0.332878 0.665756 1.33151 2.66302 5.32604 10.6521 21.3042 42.6084 85.2167 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.979 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 3604.93 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0816-2421_X_dfm.log closed on Sun Jan 13 23:51:42 2019