! Started logfile: /vlbi/uf001/uva//J1857-2058_X_dfm.log on Mon Jan 14 04:52:57 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//J1857-2058_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1857-2058_X_uva.fits ! AN table 1: 98 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.998907 visibilities/baseline/integration-bin. ! Found source: J1857-2058 ! ! 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 121 lines of history. ! ! Reading 32892 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 J1857-2058_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 16 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 16 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 16 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 16 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 16 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 16 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 16 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 16 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 16 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 16 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 16 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 16 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.004246Jy sigma=21.118607 ! Fit after self-cal, rms=0.956139Jy sigma=20.130863 ! 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=0.646 mas, bmaj=3.5 mas, bpa=-18.07 degrees ! Estimated noise=0.48913 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 = 0.0336695 Jy ! Component: 100 - total flux cleaned = 0.0409074 Jy ! Total flux subtracted in 100 components = 0.0409074 Jy ! Clean residual min=-0.004093 max=0.007455 Jy/beam ! Clean residual mean=0.000002 rms=0.001182 Jy/beam ! Combined flux in latest and established models = 0.0409074 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.0409074 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=0.072213Jy sigma=1.329663 ! Fit after self-cal, rms=0.070684Jy sigma=1.294857 ! Inverting map ! Added new window around map position (2.2, 0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00879599 Jy ! Component: 100 - total flux cleaned = 0.0142911 Jy ! Total flux subtracted in 100 components = 0.0142911 Jy ! Clean residual min=-0.003245 max=0.004937 Jy/beam ! Clean residual mean=0.000002 rms=0.000964 Jy/beam ! Combined flux in latest and established models = 0.0551985 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 25 components and 0.0551985 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=0.069146Jy sigma=1.257822 ! Fit after self-cal, rms=0.068672Jy sigma=1.249318 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00639744 Jy ! Component: 100 - total flux cleaned = 0.0103513 Jy ! Total flux subtracted in 100 components = 0.0103513 Jy ! Clean residual min=-0.003051 max=0.003636 Jy/beam ! Clean residual mean=0.000001 rms=0.000840 Jy/beam ! Combined flux in latest and established models = 0.0655498 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 33 components and 0.0655498 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=0.067885Jy sigma=1.229450 ! Fit after self-cal, rms=0.067627Jy sigma=1.224646 ! 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=0.8572 mas, bmaj=3.737 mas, bpa=-16.2 degrees ! Estimated noise=0.192641 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 = 0.00553757 Jy ! Component: 100 - total flux cleaned = 0.00868757 Jy ! Component: 150 - total flux cleaned = 0.0110518 Jy ! Component: 200 - total flux cleaned = 0.0122606 Jy ! Total flux subtracted in 200 components = 0.0122606 Jy ! Clean residual min=-0.002955 max=0.005370 Jy/beam ! Clean residual mean=-0.000003 rms=0.000768 Jy/beam ! Combined flux in latest and established models = 0.0778104 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 63 components and 0.0778104 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=0.067129Jy sigma=1.212041 ! Fit after self-cal, rms=0.067021Jy sigma=1.209575 ! Inverting map ! Added new window around map position (-3.6, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0047254 Jy ! Component: 100 - total flux cleaned = 0.00751549 Jy ! Component: 150 - total flux cleaned = 0.00958171 Jy ! Component: 200 - total flux cleaned = 0.0111749 Jy ! Total flux subtracted in 200 components = 0.0111749 Jy ! Clean residual min=-0.001917 max=0.001947 Jy/beam ! Clean residual mean=-0.000002 rms=0.000490 Jy/beam ! Combined flux in latest and established models = 0.0889853 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 96 components and 0.0889853 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=0.066651Jy sigma=1.199936 ! Fit after self-cal, rms=0.066584Jy sigma=1.198620 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8572 x 3.737 at -16.2 degrees (North through East) ! Clean map min=-0.0020394 max=0.045995 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 1.00 HN 1.05 KP 1.04 ! LA 1.02 MK 1.00 NL 1.08 OV 0.91 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00 HN 1.13 KP 1.00 ! LA 1.00 MK 0.98 NL 1.06 OV 0.93 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.99 HN 1.11 KP 1.07 ! LA 1.01 MK 1.04 NL 1.05 OV 0.92 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 0.98 HN 1.05 KP 1.06 ! LA 1.02 MK 0.96 NL 1.06 OV 0.92 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.98 HN 0.99 KP 1.06 ! LA 1.00 MK 1.04 NL 1.02 OV 0.94 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.82 FD 1.00 HN 1.16 KP 1.07 ! LA 1.02 MK 1.06 NL 1.01 OV 0.92 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 0.97 HN 0.91 KP 1.09 ! LA 0.99 MK 1.08 NL 0.96 OV 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.96 HN 1.03 KP 1.11 ! LA 0.97 MK 1.00 NL 1.09 OV 0.93 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.85 FD 1.00 HN 0.99 KP 1.08 ! LA 1.04 MK 1.03 NL 1.08 OV 0.88 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 FD 0.98 HN 1.01 KP 1.10 ! LA 0.98 MK 0.91 NL 1.07 OV 0.92 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.84 FD 0.95 HN 0.97 KP 1.09 ! LA 0.99 MK 0.98 NL 1.08 OV 0.94 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.83 FD 0.96 HN 1.02 KP 1.11 ! LA 1.05 MK 0.96 NL 1.00 OV 0.90 ! ! ! Fit before self-cal, rms=0.066584Jy sigma=1.198620 ! Fit after self-cal, rms=0.063861Jy sigma=1.193955 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8658 mas, bmaj=3.642 mas, bpa=-16.16 degrees ! Estimated noise=0.189065 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 = 0.00183417 Jy ! Component: 100 - total flux cleaned = 0.00262844 Jy ! Component: 150 - total flux cleaned = 0.00299993 Jy ! Component: 200 - total flux cleaned = 0.00313674 Jy ! Total flux subtracted in 200 components = 0.00313674 Jy ! Clean residual min=-0.000996 max=0.001194 Jy/beam ! Clean residual mean=-0.000000 rms=0.000261 Jy/beam ! Combined flux in latest and established models = 0.092122 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 119 components and 0.092122 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=0.063801Jy sigma=1.192407 ! Fit after self-cal, rms=0.063818Jy sigma=1.191537 ! 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=0.063818Jy sigma=1.191537 ! Fit after self-cal, rms=0.064113Jy sigma=1.190368 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8633 mas, bmaj=3.632 mas, bpa=-16.17 degrees ! Estimated noise=0.189545 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000510732 Jy ! Component: 100 - total flux cleaned = 0.000655635 Jy ! Component: 150 - total flux cleaned = 0.00074967 Jy ! Component: 200 - total flux cleaned = 0.000857432 Jy ! Total flux subtracted in 200 components = 0.000857432 Jy ! Clean residual min=-0.000903 max=0.001130 Jy/beam ! Clean residual mean=-0.000000 rms=0.000236 Jy/beam ! Combined flux in latest and established models = 0.0929795 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 138 components and 0.0929795 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=0.064089Jy sigma=1.189892 ! Fit after self-cal, rms=0.064096Jy sigma=1.189586 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 (-45.8, -44.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000865371 Jy ! Component: 100 - total flux cleaned = 0.000797045 Jy ! Component: 150 - total flux cleaned = 0.000734277 Jy ! Component: 200 - total flux cleaned = 0.000695019 Jy ! Total flux subtracted in 200 components = 0.000695019 Jy ! Clean residual min=-0.000829 max=0.001040 Jy/beam ! Clean residual mean=-0.000000 rms=0.000220 Jy/beam ! Combined flux in latest and established models = 0.0936745 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 156 components and 0.0936745 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=0.064072Jy sigma=1.189111 ! Fit after self-cal, rms=0.064062Jy sigma=1.188991 ! Inverting map ! Added new window around map position (24.4, 16). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000705446 Jy ! Component: 100 - total flux cleaned = 0.000706771 Jy ! Component: 150 - total flux cleaned = 0.000665558 Jy ! Component: 200 - total flux cleaned = 0.000570513 Jy ! Total flux subtracted in 200 components = 0.000570513 Jy ! Clean residual min=-0.000776 max=0.000955 Jy/beam ! Clean residual mean=-0.000000 rms=0.000200 Jy/beam ! Combined flux in latest and established models = 0.094245 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 172 components and 0.094245 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=0.064041Jy sigma=1.188547 ! Fit after self-cal, rms=0.064036Jy sigma=1.188470 ! Inverting map ! Added new window around map position (28.2, 30.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000669744 Jy ! Component: 100 - total flux cleaned = 0.000872731 Jy ! Component: 150 - total flux cleaned = 0.000912106 Jy ! Component: 200 - total flux cleaned = 0.000948609 Jy ! Total flux subtracted in 200 components = 0.000948609 Jy ! Clean residual min=-0.000740 max=0.000856 Jy/beam ! Clean residual mean=-0.000000 rms=0.000187 Jy/beam ! Combined flux in latest and established models = 0.0951936 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 184 components and 0.0951936 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=0.064017Jy sigma=1.188128 ! Fit after self-cal, rms=0.064010Jy sigma=1.188086 ! Inverting map ! Added new window around map position (-21.2, -1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000583165 Jy ! Component: 100 - total flux cleaned = 0.000723092 Jy ! Component: 150 - total flux cleaned = 0.000795534 Jy ! Component: 200 - total flux cleaned = 0.000811572 Jy ! Total flux subtracted in 200 components = 0.000811572 Jy ! Clean residual min=-0.000701 max=0.000755 Jy/beam ! Clean residual mean=-0.000000 rms=0.000177 Jy/beam ! Combined flux in latest and established models = 0.0960051 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 198 components and 0.0960051 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=0.063994Jy sigma=1.187834 ! Fit after self-cal, rms=0.063990Jy sigma=1.187806 ! 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=0.063990Jy sigma=1.187806 ! Fit after self-cal, rms=0.063786Jy sigma=1.187489 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8622 mas, bmaj=3.624 mas, bpa=-16.15 degrees ! Estimated noise=0.18927 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000591467 Jy ! Component: 100 - total flux cleaned = 0.000855627 Jy ! Component: 150 - total flux cleaned = 0.00102586 Jy ! Component: 200 - total flux cleaned = 0.00110407 Jy ! Total flux subtracted in 200 components = 0.00110407 Jy ! Clean residual min=-0.000626 max=0.000775 Jy/beam ! Clean residual mean=-0.000000 rms=0.000166 Jy/beam ! Combined flux in latest and established models = 0.0971092 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 211 components and 0.0971092 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=0.063774Jy sigma=1.187288 ! Fit after self-cal, rms=0.063775Jy sigma=1.187234 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 (-43.4, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000492189 Jy ! Component: 100 - total flux cleaned = 0.000706936 Jy ! Component: 150 - total flux cleaned = 0.000756158 Jy ! Component: 200 - total flux cleaned = 0.000694192 Jy ! Total flux subtracted in 200 components = 0.000694192 Jy ! Clean residual min=-0.000642 max=0.000591 Jy/beam ! Clean residual mean=-0.000000 rms=0.000160 Jy/beam ! Combined flux in latest and established models = 0.0978034 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 227 components and 0.0978034 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=0.063763Jy sigma=1.187001 ! Fit after self-cal, rms=0.063763Jy sigma=1.186970 ! 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=0.063763Jy sigma=1.186970 ! Fit after self-cal, rms=0.063652Jy sigma=1.186936 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.047 mas, bmaj=5.176 mas, bpa=0.701 degrees ! Estimated noise=0.229667 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000195477 Jy ! Component: 100 - total flux cleaned = 0.000345179 Jy ! Component: 150 - total flux cleaned = 0.000380862 Jy ! Component: 200 - total flux cleaned = 0.000426148 Jy ! Total flux subtracted in 200 components = 0.000426148 Jy ! Clean residual min=-0.000579 max=0.000597 Jy/beam ! Clean residual mean=-0.000000 rms=0.000157 Jy/beam ! Combined flux in latest and established models = 0.0982296 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 250 components and 0.0982296 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=0.063648Jy sigma=1.186841 ! Fit after self-cal, rms=0.063642Jy sigma=1.186829 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 = 0.000101346 Jy ! Component: 100 - total flux cleaned = 0.000145107 Jy ! Component: 150 - total flux cleaned = 0.000175103 Jy ! Component: 200 - total flux cleaned = 0.000193496 Jy ! Total flux subtracted in 200 components = 0.000193496 Jy ! Clean residual min=-0.000541 max=0.000589 Jy/beam ! Clean residual mean=-0.000000 rms=0.000149 Jy/beam ! Combined flux in latest and established models = 0.0984231 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 265 components and 0.0984231 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=0.063639Jy sigma=1.186767 ! Fit after self-cal, rms=0.063638Jy sigma=1.186762 ! 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=0.862 mas, bmaj=3.621 mas, bpa=-16.12 degrees ! Estimated noise=0.189382 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.862 x 3.621 at -16.12 degrees (North through East) ! Clean map min=-0.00097479 max=0.045205 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=0.6513 mas, bmaj=3.396 mas, bpa=-18.12 degrees ! Estimated noise=0.479146 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.034102 Jy ! Component: 100 - total flux cleaned = 0.0479234 Jy ! Component: 150 - total flux cleaned = 0.0568356 Jy ! Component: 200 - total flux cleaned = 0.0630442 Jy ! Total flux subtracted in 200 components = 0.0630442 Jy ! Clean residual min=-0.002990 max=0.003921 Jy/beam ! Clean residual mean=0.000002 rms=0.000854 Jy/beam ! Combined flux in latest and established models = 0.0630442 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 18 model components to the UV plane model. ! The established model now contains 18 components and 0.0630442 Jy ! Inverting map and beam ! Estimated beam: bmin=0.862 mas, bmaj=3.621 mas, bpa=-16.12 degrees ! Estimated noise=0.189382 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 = 0.00684317 Jy ! Component: 100 - total flux cleaned = 0.0116788 Jy ! Component: 150 - total flux cleaned = 0.0153744 Jy ! Component: 200 - total flux cleaned = 0.0183718 Jy ! Total flux subtracted in 200 components = 0.0183718 Jy ! Clean residual min=-0.001904 max=0.001867 Jy/beam ! Clean residual mean=0.000000 rms=0.000520 Jy/beam ! Combined flux in latest and established models = 0.0814159 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 39 components and 0.0814159 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=2.047 mas, bmaj=5.176 mas, bpa=0.701 degrees ! Estimated noise=0.229667 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00382733 Jy ! Component: 100 - total flux cleaned = 0.00643046 Jy ! Component: 150 - total flux cleaned = 0.00801237 Jy ! Component: 200 - total flux cleaned = 0.00925081 Jy ! Total flux subtracted in 200 components = 0.00925081 Jy ! Clean residual min=-0.001392 max=0.001322 Jy/beam ! Clean residual mean=0.000001 rms=0.000406 Jy/beam ! Combined flux in latest and established models = 0.0906667 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 = 0.00114353 Jy ! Component: 100 - total flux cleaned = 0.00212109 Jy ! Component: 150 - total flux cleaned = 0.00292579 Jy ! Component: 200 - total flux cleaned = 0.00363111 Jy ! Total flux subtracted in 200 components = 0.00363111 Jy ! Clean residual min=-0.001101 max=0.000981 Jy/beam ! Clean residual mean=0.000000 rms=0.000282 Jy/beam ! Combined flux in latest and established models = 0.0942979 Jy ! Adding 103 model components to the UV plane model. ! The established model now contains 136 components and 0.0942979 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.862 mas, bmaj=3.621 mas, bpa=-16.12 degrees ! Estimated noise=0.189382 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000677834 Jy ! Component: 100 - total flux cleaned = 0.0012896 Jy ! Component: 150 - total flux cleaned = 0.00154962 Jy ! Component: 200 - total flux cleaned = 0.00172386 Jy ! Total flux subtracted in 200 components = 0.00172386 Jy ! Clean residual min=-0.001194 max=0.000961 Jy/beam ! Clean residual mean=0.000000 rms=0.000224 Jy/beam ! Combined flux in latest and established models = 0.0960218 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 160 components and 0.0960217 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=0.063746Jy sigma=1.188434 ! Fit after self-cal, rms=0.063755Jy sigma=1.187989 wmodel J1857-2058_X_map.mod ! Writing 160 model components to file: J1857-2058_X_map.mod wobs J1857-2058_X_uvs.fits ! Writing UV FITS file: J1857-2058_X_uvs.fits wwins J1857-2058_X_map.win ! wwins: Wrote 8 windows to J1857-2058_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 = -0.000187308 Jy ! Component: 100 - total flux cleaned = -0.000281845 Jy ! Component: 150 - total flux cleaned = -0.000244642 Jy ! Component: 200 - total flux cleaned = -0.000267602 Jy ! Component: 250 - total flux cleaned = -0.000301271 Jy ! Component: 300 - total flux cleaned = -0.000356001 Jy ! Component: 350 - total flux cleaned = -0.000355873 Jy ! Component: 400 - total flux cleaned = -0.00037699 Jy ! Component: 450 - total flux cleaned = -0.000418036 Jy ! Component: 500 - total flux cleaned = -0.000428055 Jy ! Component: 550 - total flux cleaned = -0.000418346 Jy ! Component: 600 - total flux cleaned = -0.000418411 Jy ! Component: 650 - total flux cleaned = -0.000418527 Jy ! Component: 700 - total flux cleaned = -0.000418579 Jy ! Component: 750 - total flux cleaned = -0.000400022 Jy ! Component: 800 - total flux cleaned = -0.000372711 Jy ! Component: 850 - total flux cleaned = -0.000354872 Jy ! Component: 900 - total flux cleaned = -0.000328142 Jy ! Component: 950 - total flux cleaned = -0.000336954 Jy ! Component: 1000 - total flux cleaned = -0.000293436 Jy ! Component: 1050 - total flux cleaned = -0.000284853 Jy ! Component: 1100 - total flux cleaned = -0.000250838 Jy ! Component: 1150 - total flux cleaned = -0.000208775 Jy ! Component: 1200 - total flux cleaned = -0.000166995 Jy ! Component: 1250 - total flux cleaned = -0.000101039 Jy ! Component: 1300 - total flux cleaned = -7.65577e-05 Jy ! Component: 1350 - total flux cleaned = -4.4195e-05 Jy ! Component: 1400 - total flux cleaned = -3.60653e-05 Jy ! Component: 1450 - total flux cleaned = 1.17564e-05 Jy ! Component: 1500 - total flux cleaned = 7.46786e-05 Jy ! Component: 1550 - total flux cleaned = 6.6772e-05 Jy ! Component: 1600 - total flux cleaned = 9.76812e-05 Jy ! Component: 1650 - total flux cleaned = 8.9986e-05 Jy ! Component: 1700 - total flux cleaned = 0.000135765 Jy ! Component: 1750 - total flux cleaned = 0.000158269 Jy ! Component: 1800 - total flux cleaned = 0.000165773 Jy ! Component: 1850 - total flux cleaned = 0.00022509 Jy ! Component: 1900 - total flux cleaned = 0.000254433 Jy ! Component: 1950 - total flux cleaned = 0.000276318 Jy ! Component: 2000 - total flux cleaned = 0.000283567 Jy ! Component: 2050 - total flux cleaned = 0.000297894 Jy ! Component: 2100 - total flux cleaned = 0.000319295 Jy ! Component: 2150 - total flux cleaned = 0.00037582 Jy ! Component: 2200 - total flux cleaned = 0.00039674 Jy ! Component: 2250 - total flux cleaned = 0.000396765 Jy ! Component: 2300 - total flux cleaned = 0.000424494 Jy ! Component: 2350 - total flux cleaned = 0.000445071 Jy ! Component: 2400 - total flux cleaned = 0.000486001 Jy ! Component: 2450 - total flux cleaned = 0.000533331 Jy ! Component: 2500 - total flux cleaned = 0.000566939 Jy ! Component: 2550 - total flux cleaned = 0.000586902 Jy ! Component: 2600 - total flux cleaned = 0.000586812 Jy ! Component: 2650 - total flux cleaned = 0.000606573 Jy ! Component: 2700 - total flux cleaned = 0.00061968 Jy ! Component: 2750 - total flux cleaned = 0.000665195 Jy ! Component: 2800 - total flux cleaned = 0.000684645 Jy ! Component: 2850 - total flux cleaned = 0.000697387 Jy ! Component: 2900 - total flux cleaned = 0.000697391 Jy ! Component: 2950 - total flux cleaned = 0.000722825 Jy ! Component: 3000 - total flux cleaned = 0.000716505 Jy ! Component: 3050 - total flux cleaned = 0.000735277 Jy ! Component: 3100 - total flux cleaned = 0.00073524 Jy ! Component: 3150 - total flux cleaned = 0.000747604 Jy ! Component: 3200 - total flux cleaned = 0.00075376 Jy ! Component: 3250 - total flux cleaned = 0.000735489 Jy ! Component: 3300 - total flux cleaned = 0.000759788 Jy ! Component: 3350 - total flux cleaned = 0.00075378 Jy ! Component: 3400 - total flux cleaned = 0.00077784 Jy ! Component: 3450 - total flux cleaned = 0.000753946 Jy ! Component: 3500 - total flux cleaned = 0.000771741 Jy ! Component: 3550 - total flux cleaned = 0.000759999 Jy ! Component: 3600 - total flux cleaned = 0.000783439 Jy ! Component: 3650 - total flux cleaned = 0.000806725 Jy ! Component: 3700 - total flux cleaned = 0.000829866 Jy ! Component: 3750 - total flux cleaned = 0.000818316 Jy ! Component: 3800 - total flux cleaned = 0.000829834 Jy ! Component: 3850 - total flux cleaned = 0.000824122 Jy ! Component: 3900 - total flux cleaned = 0.000835497 Jy ! Component: 3950 - total flux cleaned = 0.000846757 Jy ! Component: 4000 - total flux cleaned = 0.000869204 Jy ! Component: 4050 - total flux cleaned = 0.000858011 Jy ! Total flux subtracted in 4096 components = 0.000880229 Jy ! Clean residual min=-0.000357 max=0.000295 Jy/beam ! Clean residual mean=-0.000000 rms=0.000097 Jy/beam ! Combined flux in latest and established models = 0.096902 Jy keep ! Adding 242 model components to the UV plane model. ! The established model now contains 399 components and 0.096902 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1857-2058_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.862 x 3.621 at -16.12 degrees (North through East) ! Clean map min=-0.00074956 max=0.04516 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1857-2058_X_map.fits wmodel /vlbi/uf001/uva//J1857-2058_X_map.mod ! Writing 399 model components to file: /vlbi/uf001/uva//J1857-2058_X_map.mod wobs /vlbi/uf001/uva//J1857-2058_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1857-2058_X_uvs.fits wwins /vlbi/uf001/uva//J1857-2058_X_map.win ! wwins: Wrote 9 windows to /vlbi/uf001/uva//J1857-2058_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.04516 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 9.56864e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.635649 0.635649 1.2713 2.5426 5.0852 10.1704 20.3408 40.6816 81.3631 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.045 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 471.958 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1857-2058_X_dfm.log closed on Mon Jan 14 04:53:04 2019