! Started logfile: /vlbi/uf001/uva//J2358+4921_X_dfm.log on Mon Jan 14 06:57:05 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//J2358+4921_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2358+4921_X_uva.fits ! AN table 1: 72 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.921605 visibilities/baseline/integration-bin. ! Found source: J2358+4921 ! ! 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 35832 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 J2358+4921_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 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.005245Jy sigma=23.128142 ! Fit after self-cal, rms=0.920297Jy sigma=21.166103 ! 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=0.7433 mas, bmaj=1.085 mas, bpa=-12.5 degrees ! Estimated noise=0.36056 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 = 0.0603055 Jy ! Component: 100 - total flux cleaned = 0.0758504 Jy ! Total flux subtracted in 100 components = 0.0758504 Jy ! Clean residual min=-0.003021 max=0.006338 Jy/beam ! Clean residual mean=0.000006 rms=0.000701 Jy/beam ! Combined flux in latest and established models = 0.0758504 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0758504 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=0.060275Jy sigma=1.265032 ! Fit after self-cal, rms=0.060146Jy sigma=1.262898 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00669992 Jy ! Component: 100 - total flux cleaned = 0.00982353 Jy ! Total flux subtracted in 100 components = 0.00982353 Jy ! Clean residual min=-0.002798 max=0.003856 Jy/beam ! Clean residual mean=0.000004 rms=0.000596 Jy/beam ! Combined flux in latest and established models = 0.0856739 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 10 components and 0.0856739 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=0.059284Jy sigma=1.240924 ! Fit after self-cal, rms=0.059291Jy sigma=1.240819 ! Inverting map ! Added new window around map position (1.4, 1.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0033455 Jy ! Component: 100 - total flux cleaned = 0.00502486 Jy ! Total flux subtracted in 100 components = 0.00502486 Jy ! Clean residual min=-0.002676 max=0.003415 Jy/beam ! Clean residual mean=0.000003 rms=0.000565 Jy/beam ! Combined flux in latest and established models = 0.0906988 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 16 components and 0.0906988 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=0.059095Jy sigma=1.235584 ! Fit after self-cal, rms=0.059070Jy sigma=1.234928 ! 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=0.9759 mas, bmaj=1.369 mas, bpa=-9.212 degrees ! Estimated noise=0.164981 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 (-1.6, -1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00296928 Jy ! Component: 100 - total flux cleaned = 0.00501286 Jy ! Component: 150 - total flux cleaned = 0.00621491 Jy ! Component: 200 - total flux cleaned = 0.00674998 Jy ! Total flux subtracted in 200 components = 0.00674998 Jy ! Clean residual min=-0.001567 max=0.001979 Jy/beam ! Clean residual mean=0.000004 rms=0.000397 Jy/beam ! Combined flux in latest and established models = 0.0974487 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 34 components and 0.0974487 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=0.058879Jy sigma=1.229891 ! Fit after self-cal, rms=0.058873Jy sigma=1.229716 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9759 x 1.369 at -9.212 degrees (North through East) ! Clean map min=-0.0015 max=0.079795 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.04 HN 0.91 KP 0.97 ! LA 0.96 MK 1.07 NL 1.10 OV 0.93 ! PT 0.98 SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.99 HN 0.93 KP 0.99 ! LA 0.95 MK 1.04 NL 1.07 OV 0.94 ! PT 1.00 SC 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 0.92 KP 1.01 ! LA 0.98 MK 1.07 NL 1.11 OV 0.94 ! PT 0.98 SC 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.02 HN 0.91 KP 1.02 ! LA 0.98 MK 1.05 NL 1.08 OV 0.95 ! PT 0.97 SC 1.00 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.01 HN 0.95 KP 1.02 ! LA 1.00 MK 1.02 NL 1.09 OV 0.93 ! PT 1.00 SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.05 HN 0.92 KP 1.02 ! LA 0.95 MK 1.03 NL 1.10 OV 0.95 ! PT 0.97 SC 0.96 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.01 HN 0.91 KP 1.00 ! LA 0.98 MK 1.04 NL 1.07 OV 0.92 ! PT 0.96 SC 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.92 KP 1.02 ! LA 0.96 MK 1.05 NL 1.08 OV 0.94 ! PT 0.97 SC 0.93 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.98 HN 0.91 KP 1.05 ! LA 0.94 MK 1.00 NL 1.08 OV 0.92 ! PT 0.97 SC 0.98 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.06 HN 0.85 KP 0.99 ! LA 0.99 MK 1.08 NL 1.12 OV 0.95 ! PT 0.94 SC 0.95 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.02 HN 0.91 KP 1.02 ! LA 0.96 MK 1.06 NL 1.13 OV 0.91 ! PT 0.93 SC 0.93 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.94 KP 0.99 ! LA 0.96 MK 1.06 NL 1.13 OV 0.94 ! PT 0.99 SC 0.95 ! ! ! Fit before self-cal, rms=0.058873Jy sigma=1.229716 ! Fit after self-cal, rms=0.057013Jy sigma=1.219958 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9776 mas, bmaj=1.368 mas, bpa=-8.825 degrees ! Estimated noise=0.164374 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 = -0.00126341 Jy ! Component: 100 - total flux cleaned = -0.00141091 Jy ! Component: 150 - total flux cleaned = -0.0015066 Jy ! Component: 200 - total flux cleaned = -0.00159211 Jy ! Total flux subtracted in 200 components = -0.00159211 Jy ! Clean residual min=-0.001079 max=0.001184 Jy/beam ! Clean residual mean=0.000003 rms=0.000234 Jy/beam ! Combined flux in latest and established models = 0.0958566 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 46 components and 0.0958566 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=0.056964Jy sigma=1.218903 ! Fit after self-cal, rms=0.056986Jy sigma=1.218637 ! Inverting map ! Added new window around map position (1.4, -0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000404085 Jy ! Component: 100 - total flux cleaned = 0.000259228 Jy ! Component: 150 - total flux cleaned = 0.000163379 Jy ! Component: 200 - total flux cleaned = 9.97437e-05 Jy ! Total flux subtracted in 200 components = 9.97437e-05 Jy ! Clean residual min=-0.001027 max=0.001015 Jy/beam ! Clean residual mean=0.000003 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.0959564 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 64 components and 0.0959564 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=0.056954Jy sigma=1.218043 ! Fit after self-cal, rms=0.056950Jy sigma=1.217984 ! 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=0.056950Jy sigma=1.217984 ! Fit after self-cal, rms=0.057945Jy sigma=1.215033 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9765 mas, bmaj=1.36 mas, bpa=-9.448 degrees ! Estimated noise=0.164426 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000499115 Jy ! Component: 100 - total flux cleaned = -0.000536297 Jy ! Component: 150 - total flux cleaned = -0.000614408 Jy ! Component: 200 - total flux cleaned = -0.000628338 Jy ! Total flux subtracted in 200 components = -0.000628338 Jy ! Clean residual min=-0.000973 max=0.000790 Jy/beam ! Clean residual mean=0.000003 rms=0.000190 Jy/beam ! Combined flux in latest and established models = 0.095328 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 75 components and 0.095328 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=0.057934Jy sigma=1.214796 ! Fit after self-cal, rms=0.057958Jy sigma=1.214717 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 = -1.53993e-05 Jy ! Component: 100 - total flux cleaned = -1.46708e-05 Jy ! Component: 150 - total flux cleaned = -4.48768e-06 Jy ! Component: 200 - total flux cleaned = 4.92462e-06 Jy ! Total flux subtracted in 200 components = 4.92462e-06 Jy ! Clean residual min=-0.000942 max=0.000771 Jy/beam ! Clean residual mean=0.000003 rms=0.000189 Jy/beam ! Combined flux in latest and established models = 0.095333 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 82 components and 0.0953329 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=0.057954Jy sigma=1.214632 ! Fit after self-cal, rms=0.057954Jy sigma=1.214635 ! 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=0.057954Jy sigma=1.214635 ! Fit after self-cal, rms=0.057979Jy sigma=1.214567 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9751 mas, bmaj=1.359 mas, bpa=-9.432 degrees ! Estimated noise=0.164359 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000315885 Jy ! Component: 100 - total flux cleaned = -0.000379344 Jy ! Component: 150 - total flux cleaned = -0.000401598 Jy ! Component: 200 - total flux cleaned = -0.000402148 Jy ! Total flux subtracted in 200 components = -0.000402148 Jy ! Clean residual min=-0.000901 max=0.000767 Jy/beam ! Clean residual mean=0.000003 rms=0.000185 Jy/beam ! Combined flux in latest and established models = 0.0949308 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 88 components and 0.0949308 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=0.057974Jy sigma=1.214460 ! Fit after self-cal, rms=0.057976Jy sigma=1.214456 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 = -2.00705e-05 Jy ! Component: 100 - total flux cleaned = -1.99469e-05 Jy ! Component: 150 - total flux cleaned = -3.53237e-05 Jy ! Component: 200 - total flux cleaned = -2.7898e-05 Jy ! Total flux subtracted in 200 components = -2.7898e-05 Jy ! Clean residual min=-0.000885 max=0.000758 Jy/beam ! Clean residual mean=0.000003 rms=0.000184 Jy/beam ! Combined flux in latest and established models = 0.0949029 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 94 components and 0.0949029 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=0.057973Jy sigma=1.214412 ! Fit after self-cal, rms=0.057973Jy sigma=1.214410 ! 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=0.057973Jy sigma=1.214410 ! Fit after self-cal, rms=0.057986Jy sigma=1.214371 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.26 mas, bmaj=2.386 mas, bpa=-10.39 degrees ! Estimated noise=0.2065 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000179736 Jy ! Component: 100 - total flux cleaned = -0.000205215 Jy ! Component: 150 - total flux cleaned = -0.00022661 Jy ! Component: 200 - total flux cleaned = -0.000244473 Jy ! Total flux subtracted in 200 components = -0.000244473 Jy ! Clean residual min=-0.000902 max=0.000929 Jy/beam ! Clean residual mean=0.000007 rms=0.000233 Jy/beam ! Combined flux in latest and established models = 0.0946584 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 104 components and 0.0946584 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=0.057984Jy sigma=1.214341 ! Fit after self-cal, rms=0.057985Jy sigma=1.214340 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 = 7.54056e-06 Jy ! Component: 100 - total flux cleaned = 2.73911e-06 Jy ! Component: 150 - total flux cleaned = 7.15886e-06 Jy ! Component: 200 - total flux cleaned = 1.45426e-05 Jy ! Total flux subtracted in 200 components = 1.45426e-05 Jy ! Clean residual min=-0.000887 max=0.000921 Jy/beam ! Clean residual mean=0.000007 rms=0.000232 Jy/beam ! Combined flux in latest and established models = 0.094673 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 111 components and 0.094673 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=0.057985Jy sigma=1.214333 ! Fit after self-cal, rms=0.057985Jy sigma=1.214331 ! 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=0.9737 mas, bmaj=1.358 mas, bpa=-9.44 degrees ! Estimated noise=0.164299 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9737 x 1.358 at -9.44 degrees (North through East) ! Clean map min=-0.000762 max=0.079626 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=0.7402 mas, bmaj=1.074 mas, bpa=-12.75 degrees ! Estimated noise=0.357721 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.059709 Jy ! Component: 100 - total flux cleaned = 0.075637 Jy ! Component: 150 - total flux cleaned = 0.0824536 Jy ! Component: 200 - total flux cleaned = 0.0858396 Jy ! Total flux subtracted in 200 components = 0.0858396 Jy ! Clean residual min=-0.002051 max=0.002031 Jy/beam ! Clean residual mean=0.000002 rms=0.000458 Jy/beam ! Combined flux in latest and established models = 0.0858396 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 0.0858396 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9737 mas, bmaj=1.358 mas, bpa=-9.44 degrees ! Estimated noise=0.164299 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 = 0.00282365 Jy ! Component: 100 - total flux cleaned = 0.00454706 Jy ! Component: 150 - total flux cleaned = 0.00576226 Jy ! Component: 200 - total flux cleaned = 0.00662365 Jy ! Total flux subtracted in 200 components = 0.00662365 Jy ! Clean residual min=-0.000881 max=0.000853 Jy/beam ! Clean residual mean=0.000003 rms=0.000197 Jy/beam ! Combined flux in latest and established models = 0.0924633 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 34 components and 0.0924633 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=2.26 mas, bmaj=2.386 mas, bpa=-10.39 degrees ! Estimated noise=0.2065 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000921008 Jy ! Component: 100 - total flux cleaned = 0.00144778 Jy ! Component: 150 - total flux cleaned = 0.00163696 Jy ! Component: 200 - total flux cleaned = 0.0017641 Jy ! Total flux subtracted in 200 components = 0.0017641 Jy ! Clean residual min=-0.000923 max=0.000865 Jy/beam ! Clean residual mean=0.000007 rms=0.000234 Jy/beam ! Combined flux in latest and established models = 0.0942274 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 = 7.80903e-05 Jy ! Component: 100 - total flux cleaned = 0.000145893 Jy ! Component: 150 - total flux cleaned = 0.00019077 Jy ! Component: 200 - total flux cleaned = 0.000237144 Jy ! Total flux subtracted in 200 components = 0.000237144 Jy ! Clean residual min=-0.000898 max=0.000870 Jy/beam ! Clean residual mean=0.000007 rms=0.000232 Jy/beam ! Combined flux in latest and established models = 0.0944645 Jy ! Adding 50 model components to the UV plane model. ! The established model now contains 78 components and 0.0944645 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9737 mas, bmaj=1.358 mas, bpa=-9.44 degrees ! Estimated noise=0.164299 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000229104 Jy ! Component: 100 - total flux cleaned = -0.000180164 Jy ! Component: 150 - total flux cleaned = -0.000137371 Jy ! Component: 200 - total flux cleaned = -7.41219e-05 Jy ! Total flux subtracted in 200 components = -7.41219e-05 Jy ! Clean residual min=-0.000828 max=0.000727 Jy/beam ! Clean residual mean=0.000003 rms=0.000184 Jy/beam ! Combined flux in latest and established models = 0.0943904 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 90 components and 0.0943904 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=0.057991Jy sigma=1.214481 ! Fit after self-cal, rms=0.057986Jy sigma=1.214451 wmodel J2358+4921_X_map.mod ! Writing 90 model components to file: J2358+4921_X_map.mod wobs J2358+4921_X_uvs.fits ! Writing UV FITS file: J2358+4921_X_uvs.fits wwins J2358+4921_X_map.win ! wwins: Wrote 4 windows to J2358+4921_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 = -0.000122199 Jy ! Component: 100 - total flux cleaned = -0.000135644 Jy ! Component: 150 - total flux cleaned = -0.000173693 Jy ! Component: 200 - total flux cleaned = -0.000272631 Jy ! Component: 250 - total flux cleaned = -0.000333219 Jy ! Component: 300 - total flux cleaned = -0.000427755 Jy ! Component: 350 - total flux cleaned = -0.000497522 Jy ! Component: 400 - total flux cleaned = -0.000554544 Jy ! Component: 450 - total flux cleaned = -0.000565993 Jy ! Component: 500 - total flux cleaned = -0.000588076 Jy ! Component: 550 - total flux cleaned = -0.000631792 Jy ! Component: 600 - total flux cleaned = -0.000631987 Jy ! Component: 650 - total flux cleaned = -0.000664085 Jy ! Component: 700 - total flux cleaned = -0.000706171 Jy ! Component: 750 - total flux cleaned = -0.000747758 Jy ! Component: 800 - total flux cleaned = -0.000768311 Jy ! Component: 850 - total flux cleaned = -0.000798859 Jy ! Component: 900 - total flux cleaned = -0.000838996 Jy ! Component: 950 - total flux cleaned = -0.00085883 Jy ! Component: 1000 - total flux cleaned = -0.000898243 Jy ! Component: 1050 - total flux cleaned = -0.000907947 Jy ! Component: 1100 - total flux cleaned = -0.000927325 Jy ! Component: 1150 - total flux cleaned = -0.000927276 Jy ! Component: 1200 - total flux cleaned = -0.000927372 Jy ! Component: 1250 - total flux cleaned = -0.000955624 Jy ! Component: 1300 - total flux cleaned = -0.000964888 Jy ! Component: 1350 - total flux cleaned = -0.000946215 Jy ! Component: 1400 - total flux cleaned = -0.000955486 Jy ! Component: 1450 - total flux cleaned = -0.000982896 Jy ! Component: 1500 - total flux cleaned = -0.000964787 Jy ! Component: 1550 - total flux cleaned = -0.00101866 Jy ! Component: 1600 - total flux cleaned = -0.000956143 Jy ! Component: 1650 - total flux cleaned = -0.00096491 Jy ! Component: 1700 - total flux cleaned = -0.000947333 Jy ! Component: 1750 - total flux cleaned = -0.000938586 Jy ! Component: 1800 - total flux cleaned = -0.00091261 Jy ! Component: 1850 - total flux cleaned = -0.000938391 Jy ! Component: 1900 - total flux cleaned = -0.00093835 Jy ! Component: 1950 - total flux cleaned = -0.000895902 Jy ! Component: 2000 - total flux cleaned = -0.000912783 Jy ! Component: 2050 - total flux cleaned = -0.000887702 Jy ! Component: 2100 - total flux cleaned = -0.000895911 Jy ! Component: 2150 - total flux cleaned = -0.00086278 Jy ! Component: 2200 - total flux cleaned = -0.000854539 Jy ! Component: 2250 - total flux cleaned = -0.000805581 Jy ! Component: 2300 - total flux cleaned = -0.000821847 Jy ! Component: 2350 - total flux cleaned = -0.0008218 Jy ! Component: 2400 - total flux cleaned = -0.000805739 Jy ! Component: 2450 - total flux cleaned = -0.000813631 Jy ! Component: 2500 - total flux cleaned = -0.000813541 Jy ! Component: 2550 - total flux cleaned = -0.000821407 Jy ! Component: 2600 - total flux cleaned = -0.000829236 Jy ! Component: 2650 - total flux cleaned = -0.000813658 Jy ! Component: 2700 - total flux cleaned = -0.000844648 Jy ! Component: 2750 - total flux cleaned = -0.000821536 Jy ! Component: 2800 - total flux cleaned = -0.000829307 Jy ! Component: 2850 - total flux cleaned = -0.000829371 Jy ! Component: 2900 - total flux cleaned = -0.000844571 Jy ! Component: 2950 - total flux cleaned = -0.000852112 Jy ! Component: 3000 - total flux cleaned = -0.000867236 Jy ! Component: 3050 - total flux cleaned = -0.000852283 Jy ! Component: 3100 - total flux cleaned = -0.000859772 Jy ! Component: 3150 - total flux cleaned = -0.000837487 Jy ! Component: 3200 - total flux cleaned = -0.000874346 Jy ! Component: 3250 - total flux cleaned = -0.000866966 Jy ! Component: 3300 - total flux cleaned = -0.000837735 Jy ! Component: 3350 - total flux cleaned = -0.00083046 Jy ! Component: 3400 - total flux cleaned = -0.00087392 Jy ! Component: 3450 - total flux cleaned = -0.000859522 Jy ! Component: 3500 - total flux cleaned = -0.000859522 Jy ! Component: 3550 - total flux cleaned = -0.00083808 Jy ! Component: 3600 - total flux cleaned = -0.000802508 Jy ! Component: 3650 - total flux cleaned = -0.000816722 Jy ! Component: 3700 - total flux cleaned = -0.000830844 Jy ! Component: 3750 - total flux cleaned = -0.000788694 Jy ! Component: 3800 - total flux cleaned = -0.000788726 Jy ! Component: 3850 - total flux cleaned = -0.000802613 Jy ! Component: 3900 - total flux cleaned = -0.000788695 Jy ! Component: 3950 - total flux cleaned = -0.000795623 Jy ! Component: 4000 - total flux cleaned = -0.000781875 Jy ! Component: 4050 - total flux cleaned = -0.000747651 Jy ! Total flux subtracted in 4096 components = -0.000747628 Jy ! Clean residual min=-0.000381 max=0.000370 Jy/beam ! Clean residual mean=0.000001 rms=0.000117 Jy/beam ! Combined flux in latest and established models = 0.0936428 Jy keep ! Adding 347 model components to the UV plane model. ! The established model now contains 437 components and 0.0936428 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2358+4921_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9737 x 1.358 at -9.44 degrees (North through East) ! Clean map min=-0.00056993 max=0.079571 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2358+4921_X_map.fits wmodel /vlbi/uf001/uva//J2358+4921_X_map.mod ! Writing 437 model components to file: /vlbi/uf001/uva//J2358+4921_X_map.mod wobs /vlbi/uf001/uva//J2358+4921_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2358+4921_X_uvs.fits wwins /vlbi/uf001/uva//J2358+4921_X_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uva//J2358+4921_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.079571 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000116396 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.438838 0.438838 0.877676 1.75535 3.51071 7.02141 14.0428 28.0856 56.1713 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.079 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 683.623 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2358+4921_X_dfm.log closed on Mon Jan 14 06:57:11 2019