! Started logfile: /vlbi/uf001/uva//J0258+0541_X_dfm.log on Sun Jan 13 21:36:27 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//J0258+0541_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0258+0541_X_uva.fits ! AN table 1: 72 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.912037 visibilities/baseline/integration-bin. ! Found source: J0258+0541 ! ! 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 35460 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 J0258+0541_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 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.022245Jy sigma=21.233002 ! Fit after self-cal, rms=0.762988Jy sigma=15.836764 ! 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=0.6648 mas, bmaj=1.643 mas, bpa=-1.609 degrees ! Estimated noise=0.351799 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 = 0.181788 Jy ! Component: 100 - total flux cleaned = 0.228195 Jy ! Total flux subtracted in 100 components = 0.228195 Jy ! Clean residual min=-0.009577 max=0.018421 Jy/beam ! Clean residual mean=-0.000029 rms=0.002131 Jy/beam ! Combined flux in latest and established models = 0.228195 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.228195 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=0.082149Jy sigma=1.658605 ! Fit after self-cal, rms=0.082138Jy sigma=1.658419 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0180699 Jy ! Component: 100 - total flux cleaned = 0.0256927 Jy ! Total flux subtracted in 100 components = 0.0256927 Jy ! Clean residual min=-0.009186 max=0.009176 Jy/beam ! Clean residual mean=-0.000023 rms=0.001903 Jy/beam ! Combined flux in latest and established models = 0.253888 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 12 components and 0.253888 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=0.077414Jy sigma=1.559977 ! Fit after self-cal, rms=0.077413Jy sigma=1.559891 ! 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=0.8388 mas, bmaj=1.938 mas, bpa=-1.819 degrees ! Estimated noise=0.183075 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 = 0.00629919 Jy ! Component: 100 - total flux cleaned = 0.00944742 Jy ! Component: 150 - total flux cleaned = 0.0112648 Jy ! Component: 200 - total flux cleaned = 0.0123415 Jy ! Total flux subtracted in 200 components = 0.0123415 Jy ! Clean residual min=-0.010014 max=0.008719 Jy/beam ! Clean residual mean=-0.000039 rms=0.002248 Jy/beam ! Combined flux in latest and established models = 0.266229 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 27 components and 0.266229 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=0.076875Jy sigma=1.550673 ! Fit after self-cal, rms=0.076876Jy sigma=1.550656 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8388 x 1.938 at -1.819 degrees (North through East) ! Clean map min=-0.00951 max=0.23799 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.01 HN 0.97 KP 1.01 ! LA 0.92 MK 1.00 NL 1.16 OV 0.95 ! PT 0.99 SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.02 HN 0.97 KP 1.01 ! LA 0.94 MK 1.00 NL 1.15 OV 0.95 ! PT 0.99 SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.02 HN 0.96 KP 1.01 ! LA 0.92 MK 1.01 NL 1.16 OV 0.94 ! PT 1.00 SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.02 HN 0.96 KP 1.02 ! LA 0.93 MK 0.99 NL 1.16 OV 0.94 ! PT 0.98 SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.97 KP 1.01 ! LA 0.93 MK 1.00 NL 1.16 OV 0.95 ! PT 1.00 SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 0.95 KP 1.01 ! LA 0.92 MK 1.00 NL 1.17 OV 0.93 ! PT 0.99 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.99 HN 0.95 KP 1.02 ! LA 0.92 MK 0.99 NL 1.15 OV 0.94 ! PT 0.98 SC 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.00 HN 0.96 KP 1.00 ! LA 0.92 MK 0.98 NL 1.16 OV 0.93 ! PT 0.99 SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 0.95 KP 1.00 ! LA 0.92 MK 1.00 NL 1.16 OV 0.93 ! PT 0.99 SC 0.97 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.00 HN 0.95 KP 1.02 ! LA 0.91 MK 0.99 NL 1.13 OV 0.95 ! PT 0.97 SC 0.97 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 HN 0.94 KP 1.01 ! LA 0.92 MK 1.03 NL 1.15 OV 0.92 ! PT 0.98 SC 0.96 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.01 HN 0.94 KP 1.02 ! LA 0.93 MK 0.99 NL 1.16 OV 0.92 ! PT 1.00 SC 0.97 ! ! ! Fit before self-cal, rms=0.076876Jy sigma=1.550656 ! Fit after self-cal, rms=0.072228Jy sigma=1.481777 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8341 mas, bmaj=1.946 mas, bpa=-1.576 degrees ! Estimated noise=0.182472 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 = -0.000320219 Jy ! Component: 100 - total flux cleaned = -0.000385407 Jy ! Component: 150 - total flux cleaned = -0.000498655 Jy ! Component: 200 - total flux cleaned = -0.000501128 Jy ! Total flux subtracted in 200 components = -0.000501128 Jy ! Clean residual min=-0.008300 max=0.008879 Jy/beam ! Clean residual mean=-0.000030 rms=0.001982 Jy/beam ! Combined flux in latest and established models = 0.265728 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 37 components and 0.265728 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=0.072153Jy sigma=1.479884 ! Fit after self-cal, rms=0.072192Jy sigma=1.479654 ! 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=0.072192Jy sigma=1.479654 ! Fit after self-cal, rms=0.071677Jy sigma=1.408608 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8368 mas, bmaj=1.941 mas, bpa=-1.517 degrees ! Estimated noise=0.182596 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00021651 Jy ! Component: 100 - total flux cleaned = -0.000259465 Jy ! Component: 150 - total flux cleaned = -0.000301719 Jy ! Component: 200 - total flux cleaned = -0.000377698 Jy ! Total flux subtracted in 200 components = -0.000377698 Jy ! Clean residual min=-0.007901 max=0.006641 Jy/beam ! Clean residual mean=-0.000013 rms=0.001761 Jy/beam ! Combined flux in latest and established models = 0.26535 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 38 components and 0.26535 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=0.071636Jy sigma=1.407680 ! Fit after self-cal, rms=0.071665Jy sigma=1.407474 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.70887e-05 Jy ! Component: 100 - total flux cleaned = -7.09503e-05 Jy ! Component: 150 - total flux cleaned = -0.000135467 Jy ! Component: 200 - total flux cleaned = -0.000165188 Jy ! Total flux subtracted in 200 components = -0.000165188 Jy ! Clean residual min=-0.007907 max=0.006620 Jy/beam ! Clean residual mean=-0.000014 rms=0.001759 Jy/beam ! Combined flux in latest and established models = 0.265185 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 38 components and 0.265185 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=0.071635Jy sigma=1.406995 ! Fit after self-cal, rms=0.071634Jy sigma=1.406991 ! 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=0.071634Jy sigma=1.406991 ! Fit after self-cal, rms=0.067451Jy sigma=1.199070 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8343 mas, bmaj=1.94 mas, bpa=-1.415 degrees ! Estimated noise=0.182881 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000347232 Jy ! Component: 100 - total flux cleaned = -0.000344532 Jy ! Component: 150 - total flux cleaned = -0.000307536 Jy ! Component: 200 - total flux cleaned = -0.000306911 Jy ! Total flux subtracted in 200 components = -0.000306911 Jy ! Clean residual min=-0.001441 max=0.003168 Jy/beam ! Clean residual mean=0.000002 rms=0.000409 Jy/beam ! Combined flux in latest and established models = 0.264878 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 38 components and 0.264878 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=0.067413Jy sigma=1.198042 ! Fit after self-cal, rms=0.067594Jy sigma=1.197008 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 (-4.2, 5.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00293779 Jy ! Component: 100 - total flux cleaned = 0.00468585 Jy ! Component: 150 - total flux cleaned = 0.00558473 Jy ! Component: 200 - total flux cleaned = 0.00614155 Jy ! Total flux subtracted in 200 components = 0.00614155 Jy ! Clean residual min=-0.001211 max=0.001645 Jy/beam ! Clean residual mean=0.000000 rms=0.000309 Jy/beam ! Combined flux in latest and established models = 0.27102 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 63 components and 0.27102 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=0.067442Jy sigma=1.193577 ! Fit after self-cal, rms=0.067434Jy sigma=1.193204 ! Inverting map ! Added new window around map position (-1.8, 8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00147894 Jy ! Component: 100 - total flux cleaned = 0.00179641 Jy ! Component: 150 - total flux cleaned = 0.00196314 Jy ! Component: 200 - total flux cleaned = 0.00211079 Jy ! Total flux subtracted in 200 components = 0.00211079 Jy ! Clean residual min=-0.001119 max=0.001462 Jy/beam ! Clean residual mean=-0.000000 rms=0.000280 Jy/beam ! Combined flux in latest and established models = 0.27313 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 77 components and 0.27313 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=0.067388Jy sigma=1.192145 ! Fit after self-cal, rms=0.067387Jy sigma=1.192110 ! Inverting map ! Added new window around map position (-3, -9.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00121857 Jy ! Component: 100 - total flux cleaned = 0.00168446 Jy ! Component: 150 - total flux cleaned = 0.00190629 Jy ! Component: 200 - total flux cleaned = 0.00208334 Jy ! Total flux subtracted in 200 components = 0.00208334 Jy ! Clean residual min=-0.001094 max=0.001224 Jy/beam ! Clean residual mean=-0.000000 rms=0.000266 Jy/beam ! Combined flux in latest and established models = 0.275214 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 89 components and 0.275214 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=0.067353Jy sigma=1.191409 ! Fit after self-cal, rms=0.067351Jy sigma=1.191376 ! Inverting map ! Added new window around map position (-26.8, -21.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000833911 Jy ! Component: 100 - total flux cleaned = 0.00100302 Jy ! Component: 150 - total flux cleaned = 0.00110133 Jy ! Component: 200 - total flux cleaned = 0.00119128 Jy ! Total flux subtracted in 200 components = 0.00119128 Jy ! Clean residual min=-0.001117 max=0.001100 Jy/beam ! Clean residual mean=-0.000001 rms=0.000251 Jy/beam ! Combined flux in latest and established models = 0.276405 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 110 components and 0.276405 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=0.067326Jy sigma=1.190829 ! Fit after self-cal, rms=0.067326Jy sigma=1.190812 ! 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=0.067326Jy sigma=1.190812 ! Fit after self-cal, rms=0.067579Jy sigma=1.190481 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.046 mas, bmaj=3.137 mas, bpa=-3.85 degrees ! Estimated noise=0.241679 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00113171 Jy ! Component: 100 - total flux cleaned = 0.00150045 Jy ! Component: 150 - total flux cleaned = 0.0018287 Jy ! Component: 200 - total flux cleaned = 0.00209491 Jy ! Total flux subtracted in 200 components = 0.00209491 Jy ! Clean residual min=-0.001104 max=0.001117 Jy/beam ! Clean residual mean=-0.000001 rms=0.000289 Jy/beam ! Combined flux in latest and established models = 0.2785 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 138 components and 0.2785 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=0.067571Jy sigma=1.190395 ! Fit after self-cal, rms=0.067578Jy sigma=1.190355 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 = 0.000290417 Jy ! Component: 100 - total flux cleaned = 0.000497968 Jy ! Component: 150 - total flux cleaned = 0.000660794 Jy ! Component: 200 - total flux cleaned = 0.000776713 Jy ! Total flux subtracted in 200 components = 0.000776713 Jy ! Clean residual min=-0.001069 max=0.001121 Jy/beam ! Clean residual mean=-0.000001 rms=0.000282 Jy/beam ! Combined flux in latest and established models = 0.279277 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 150 components and 0.279277 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=0.067576Jy sigma=1.190333 ! Fit after self-cal, rms=0.067577Jy sigma=1.190328 ! 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=0.8343 mas, bmaj=1.941 mas, bpa=-1.49 degrees ! Estimated noise=0.183006 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8343 x 1.941 at -1.49 degrees (North through East) ! Clean map min=-0.00094045 max=0.23831 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=0.6598 mas, bmaj=1.64 mas, bpa=-1.102 degrees ! Estimated noise=0.349647 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.180616 Jy ! Component: 100 - total flux cleaned = 0.228474 Jy ! Component: 150 - total flux cleaned = 0.247259 Jy ! Component: 200 - total flux cleaned = 0.255152 Jy ! Total flux subtracted in 200 components = 0.255152 Jy ! Clean residual min=-0.002601 max=0.003400 Jy/beam ! Clean residual mean=-0.000001 rms=0.000548 Jy/beam ! Combined flux in latest and established models = 0.255152 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 10 model components to the UV plane model. ! The established model now contains 10 components and 0.255152 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8343 mas, bmaj=1.941 mas, bpa=-1.49 degrees ! Estimated noise=0.183006 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 = 0.00573085 Jy ! Component: 100 - total flux cleaned = 0.0091291 Jy ! Component: 150 - total flux cleaned = 0.0115462 Jy ! Component: 200 - total flux cleaned = 0.0134294 Jy ! Total flux subtracted in 200 components = 0.0134294 Jy ! Clean residual min=-0.001270 max=0.001583 Jy/beam ! Clean residual mean=-0.000001 rms=0.000299 Jy/beam ! Combined flux in latest and established models = 0.268582 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 46 components and 0.268582 Jy ! Inverting map ! Added new window around map position (-6.2, 7.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00167228 Jy ! Component: 100 - total flux cleaned = 0.00300645 Jy ! Component: 150 - total flux cleaned = 0.00412942 Jy ! Component: 200 - total flux cleaned = 0.00509005 Jy ! Total flux subtracted in 200 components = 0.00509005 Jy ! Clean residual min=-0.001068 max=0.001266 Jy/beam ! Clean residual mean=-0.000001 rms=0.000248 Jy/beam ! Combined flux in latest and established models = 0.273672 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 59 components and 0.273672 Jy ! Inverting map ! Added new window around map position (-2, 3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000951546 Jy ! Component: 100 - total flux cleaned = 0.00151063 Jy ! Component: 150 - total flux cleaned = 0.00193002 Jy ! Component: 200 - total flux cleaned = 0.00229085 Jy ! Total flux subtracted in 200 components = 0.00229085 Jy ! Clean residual min=-0.001019 max=0.001049 Jy/beam ! Clean residual mean=-0.000001 rms=0.000227 Jy/beam ! Combined flux in latest and established models = 0.275963 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 82 components and 0.275963 Jy ! Inverting map ! Added new window around map position (8, -18.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000906173 Jy ! Component: 100 - total flux cleaned = 0.00126427 Jy ! Component: 150 - total flux cleaned = 0.00157157 Jy ! Component: 200 - total flux cleaned = 0.00185843 Jy ! Total flux subtracted in 200 components = 0.00185843 Jy ! Clean residual min=-0.000978 max=0.000818 Jy/beam ! Clean residual mean=-0.000001 rms=0.000215 Jy/beam ! Combined flux in latest and established models = 0.277821 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 94 components and 0.277821 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=2.046 mas, bmaj=3.137 mas, bpa=-3.85 degrees ! Estimated noise=0.241679 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000740581 Jy ! Component: 100 - total flux cleaned = 0.00129865 Jy ! Component: 150 - total flux cleaned = 0.00176566 Jy ! Component: 200 - total flux cleaned = 0.00216549 Jy ! Total flux subtracted in 200 components = 0.00216549 Jy ! Clean residual min=-0.000941 max=0.001008 Jy/beam ! Clean residual mean=-0.000002 rms=0.000252 Jy/beam ! Combined flux in latest and established models = 0.279987 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 = 0.000281127 Jy ! Component: 100 - total flux cleaned = 0.000525226 Jy ! Component: 150 - total flux cleaned = 0.000750259 Jy ! Component: 200 - total flux cleaned = 0.000936693 Jy ! Total flux subtracted in 200 components = 0.000936693 Jy ! Clean residual min=-0.000888 max=0.001034 Jy/beam ! Clean residual mean=-0.000002 rms=0.000245 Jy/beam ! Combined flux in latest and established models = 0.280923 Jy ! Adding 53 model components to the UV plane model. ! The established model now contains 143 components and 0.280923 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8343 mas, bmaj=1.941 mas, bpa=-1.49 degrees ! Estimated noise=0.183006 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.77333e-05 Jy ! Component: 100 - total flux cleaned = 1.73443e-05 Jy ! Component: 150 - total flux cleaned = 6.84283e-05 Jy ! Component: 200 - total flux cleaned = 0.000100331 Jy ! Total flux subtracted in 200 components = 0.000100331 Jy ! Clean residual min=-0.000891 max=0.000825 Jy/beam ! Clean residual mean=-0.000001 rms=0.000203 Jy/beam ! Combined flux in latest and established models = 0.281024 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 162 components and 0.281023 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=0.067525Jy sigma=1.189094 ! Fit after self-cal, rms=0.067519Jy sigma=1.189040 wmodel J0258+0541_X_map.mod ! Writing 162 model components to file: J0258+0541_X_map.mod wobs J0258+0541_X_uvs.fits ! Writing UV FITS file: J0258+0541_X_uvs.fits wwins J0258+0541_X_map.win ! wwins: Wrote 8 windows to J0258+0541_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 = -0.000330723 Jy ! Component: 100 - total flux cleaned = -0.000316278 Jy ! Component: 150 - total flux cleaned = -0.000273823 Jy ! Component: 200 - total flux cleaned = -0.000246306 Jy ! Component: 250 - total flux cleaned = -0.000246424 Jy ! Component: 300 - total flux cleaned = -0.00024647 Jy ! Component: 350 - total flux cleaned = -0.000246321 Jy ! Component: 400 - total flux cleaned = -0.000220863 Jy ! Component: 450 - total flux cleaned = -0.000208304 Jy ! Component: 500 - total flux cleaned = -0.000183884 Jy ! Component: 550 - total flux cleaned = -0.00015997 Jy ! Component: 600 - total flux cleaned = -0.000171916 Jy ! Component: 650 - total flux cleaned = -0.000183385 Jy ! Component: 700 - total flux cleaned = -0.000171675 Jy ! Component: 750 - total flux cleaned = -0.000137343 Jy ! Component: 800 - total flux cleaned = -0.000103833 Jy ! Component: 850 - total flux cleaned = -0.000137391 Jy ! Component: 900 - total flux cleaned = -0.000170442 Jy ! Component: 950 - total flux cleaned = -0.000148688 Jy ! Component: 1000 - total flux cleaned = -0.00013797 Jy ! Component: 1050 - total flux cleaned = -0.000138061 Jy ! Component: 1100 - total flux cleaned = -0.000127417 Jy ! Component: 1150 - total flux cleaned = -0.000116931 Jy ! Component: 1200 - total flux cleaned = -9.61627e-05 Jy ! Component: 1250 - total flux cleaned = -6.53955e-05 Jy ! Component: 1300 - total flux cleaned = -6.55529e-05 Jy ! Component: 1350 - total flux cleaned = -6.55686e-05 Jy ! Component: 1400 - total flux cleaned = -4.54741e-05 Jy ! Component: 1450 - total flux cleaned = -3.55664e-05 Jy ! Component: 1500 - total flux cleaned = -2.57304e-05 Jy ! Component: 1550 - total flux cleaned = -1.59461e-05 Jy ! Component: 1600 - total flux cleaned = 3.49173e-06 Jy ! Component: 1650 - total flux cleaned = 3.24139e-05 Jy ! Component: 1700 - total flux cleaned = 2.28695e-05 Jy ! Component: 1750 - total flux cleaned = 3.23449e-05 Jy ! Component: 1800 - total flux cleaned = 7.01221e-05 Jy ! Component: 1850 - total flux cleaned = 4.19439e-05 Jy ! Component: 1900 - total flux cleaned = 4.19353e-05 Jy ! Component: 1950 - total flux cleaned = 6.04771e-05 Jy ! Component: 2000 - total flux cleaned = 6.96742e-05 Jy ! Component: 2050 - total flux cleaned = 3.32363e-05 Jy ! Component: 2100 - total flux cleaned = 3.32922e-05 Jy ! Component: 2150 - total flux cleaned = 3.33484e-05 Jy ! Component: 2200 - total flux cleaned = 2.43475e-05 Jy ! Component: 2250 - total flux cleaned = 2.43618e-05 Jy ! Component: 2300 - total flux cleaned = -1.08741e-05 Jy ! Component: 2350 - total flux cleaned = 1.54903e-05 Jy ! Component: 2400 - total flux cleaned = 3.2923e-05 Jy ! Component: 2450 - total flux cleaned = 5.01915e-05 Jy ! Component: 2500 - total flux cleaned = 1.56803e-05 Jy ! Component: 2550 - total flux cleaned = 1.56059e-05 Jy ! Component: 2600 - total flux cleaned = -9.92398e-06 Jy ! Component: 2650 - total flux cleaned = 3.2295e-05 Jy ! Component: 2700 - total flux cleaned = 6.96746e-06 Jy ! Component: 2750 - total flux cleaned = -4.31593e-05 Jy ! Component: 2800 - total flux cleaned = -1.82061e-05 Jy ! Component: 2850 - total flux cleaned = -4.30195e-05 Jy ! Component: 2900 - total flux cleaned = -1.00405e-05 Jy ! Component: 2950 - total flux cleaned = -1.82345e-05 Jy ! Component: 3000 - total flux cleaned = -4.26833e-05 Jy ! Component: 3050 - total flux cleaned = -6.69589e-05 Jy ! Component: 3100 - total flux cleaned = -3.47421e-05 Jy ! Component: 3150 - total flux cleaned = -5.07191e-05 Jy ! Component: 3200 - total flux cleaned = -5.06936e-05 Jy ! Component: 3250 - total flux cleaned = -6.65192e-05 Jy ! Component: 3300 - total flux cleaned = -5.86124e-05 Jy ! Component: 3350 - total flux cleaned = -7.43183e-05 Jy ! Component: 3400 - total flux cleaned = -7.4318e-05 Jy ! Component: 3450 - total flux cleaned = -6.65761e-05 Jy ! Component: 3500 - total flux cleaned = -6.66081e-05 Jy ! Component: 3550 - total flux cleaned = -4.34935e-05 Jy ! Component: 3600 - total flux cleaned = -5.88765e-05 Jy ! Component: 3650 - total flux cleaned = -7.41619e-05 Jy ! Component: 3700 - total flux cleaned = -5.13659e-05 Jy ! Component: 3750 - total flux cleaned = -5.13797e-05 Jy ! Component: 3800 - total flux cleaned = -9.65187e-05 Jy ! Component: 3850 - total flux cleaned = -5.90868e-05 Jy ! Component: 3900 - total flux cleaned = -0.000103799 Jy ! Component: 3950 - total flux cleaned = -8.15359e-05 Jy ! Component: 4000 - total flux cleaned = -7.41306e-05 Jy ! Component: 4050 - total flux cleaned = -9.62107e-05 Jy ! Total flux subtracted in 4096 components = -9.6228e-05 Jy ! Clean residual min=-0.000434 max=0.000481 Jy/beam ! Clean residual mean=-0.000000 rms=0.000127 Jy/beam ! Combined flux in latest and established models = 0.280927 Jy keep ! Adding 308 model components to the UV plane model. ! The established model now contains 470 components and 0.280927 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0258+0541_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8343 x 1.941 at -1.49 degrees (North through East) ! Clean map min=-0.0007023 max=0.23908 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0258+0541_X_map.fits wmodel /vlbi/uf001/uva//J0258+0541_X_map.mod ! Writing 470 model components to file: /vlbi/uf001/uva//J0258+0541_X_map.mod wobs /vlbi/uf001/uva//J0258+0541_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0258+0541_X_uvs.fits wwins /vlbi/uf001/uva//J0258+0541_X_map.win ! wwins: Wrote 9 windows to /vlbi/uf001/uva//J0258+0541_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.239077 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000126524 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.158765 0.158765 0.317531 0.635062 1.27012 2.54025 5.08049 10.161 20.322 40.6439 81.2879 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.239 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1889.58 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0258+0541_X_dfm.log closed on Sun Jan 13 21:36:34 2019