! Started logfile: /vlbi/uf001/uva//J1556+1825_X_dfm.log on Mon Jan 14 03:30:03 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//J1556+1825_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1556+1825_X_uva.fits ! AN table 1: 57 integrations on 21 of 21 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1556+1825 ! ! 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 14364 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 J1556+1825_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. ! ! 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=1.001493Jy sigma=23.813870 ! Fit after self-cal, rms=0.963413Jy sigma=22.940914 ! 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=0.6214 mas, bmaj=1.404 mas, bpa=-3.504 degrees ! Estimated noise=0.42319 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 = 0.0289784 Jy ! Component: 100 - total flux cleaned = 0.0353033 Jy ! Total flux subtracted in 100 components = 0.0353033 Jy ! Clean residual min=-0.003236 max=0.003490 Jy/beam ! Clean residual mean=0.000002 rms=0.000763 Jy/beam ! Combined flux in latest and established models = 0.0353033 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.0353033 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=0.062801Jy sigma=1.358763 ! Fit after self-cal, rms=0.061322Jy sigma=1.320559 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00365005 Jy ! Component: 100 - total flux cleaned = 0.00486731 Jy ! Total flux subtracted in 100 components = 0.00486731 Jy ! Clean residual min=-0.003075 max=0.004022 Jy/beam ! Clean residual mean=0.000001 rms=0.000706 Jy/beam ! Combined flux in latest and established models = 0.0401706 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 6 components and 0.0401706 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=0.061035Jy sigma=1.315953 ! Fit after self-cal, rms=0.061021Jy sigma=1.315536 ! 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=0.7465 mas, bmaj=1.59 mas, bpa=-2.179 degrees ! Estimated noise=0.255228 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 = 0.00132714 Jy ! Component: 100 - total flux cleaned = 0.0020544 Jy ! Component: 150 - total flux cleaned = 0.00224541 Jy ! Component: 200 - total flux cleaned = 0.00238031 Jy ! Total flux subtracted in 200 components = 0.00238031 Jy ! Clean residual min=-0.003306 max=0.003705 Jy/beam ! Clean residual mean=0.000001 rms=0.000743 Jy/beam ! Combined flux in latest and established models = 0.0425509 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 19 components and 0.0425509 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=0.060975Jy sigma=1.315047 ! Fit after self-cal, rms=0.060964Jy sigma=1.314706 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7465 x 1.59 at -2.179 degrees (North through East) ! Clean map min=-0.0031246 max=0.040384 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 HN 1.01 LA 0.83 MK 1.17 ! NL 1.56 PT 1.13 SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 HN 1.08 LA 0.72 MK 1.06 ! NL 1.46 PT 1.08 SC 1.15 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 HN 1.00 LA 0.81 MK 0.94 ! NL 1.30 PT 1.13 SC 1.07 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 HN 1.15 LA 0.85 MK 1.07 ! NL 1.39 PT 1.12 SC 1.00 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 HN 0.99 LA 0.74 MK 1.03 ! NL 1.45 PT 1.09 SC 1.19 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 HN 1.04 LA 0.79 MK 1.08 ! NL 1.33 PT 1.11 SC 1.06 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 HN 0.90 LA 0.78 MK 1.05 ! NL 1.39 PT 1.13 SC 0.97 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 HN 0.90 LA 0.83 MK 1.02 ! NL 1.31 PT 1.02 SC 1.02 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 HN 0.96 LA 0.70 MK 1.09 ! NL 1.53 PT 1.05 SC 1.16 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.83 HN 0.98 LA 0.75 MK 0.98 ! NL 1.38 PT 1.06 SC 1.12 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.80 HN 0.95 LA 0.70 MK 0.89 ! NL 1.54 PT 1.11 SC 0.88 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.83 HN 0.96 LA 0.76 MK 1.03 ! NL 1.40 PT 1.00 SC 1.00 ! ! ! Fit before self-cal, rms=0.060964Jy sigma=1.314706 ! Fit after self-cal, rms=0.059458Jy sigma=1.292654 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7529 mas, bmaj=1.593 mas, bpa=-1.609 degrees ! Estimated noise=0.258437 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 = 0.00066237 Jy ! Component: 100 - total flux cleaned = 0.000988302 Jy ! Component: 150 - total flux cleaned = 0.00103069 Jy ! Component: 200 - total flux cleaned = 0.00105975 Jy ! Total flux subtracted in 200 components = 0.00105975 Jy ! Clean residual min=-0.001771 max=0.001862 Jy/beam ! Clean residual mean=0.000001 rms=0.000416 Jy/beam ! Combined flux in latest and established models = 0.0436107 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 23 components and 0.0436107 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=0.059448Jy sigma=1.292500 ! Fit after self-cal, rms=0.060136Jy sigma=1.284871 ! Inverting map ! Added new window around map position (-3.2, 3.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00202215 Jy ! Component: 100 - total flux cleaned = 0.00308878 Jy ! Component: 150 - total flux cleaned = 0.00330267 Jy ! Component: 200 - total flux cleaned = 0.00345464 Jy ! Total flux subtracted in 200 components = 0.00345464 Jy ! Clean residual min=-0.001687 max=0.001768 Jy/beam ! Clean residual mean=0.000001 rms=0.000418 Jy/beam ! Combined flux in latest and established models = 0.0470653 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 35 components and 0.0470653 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=0.060056Jy sigma=1.283131 ! Fit after self-cal, rms=0.060066Jy sigma=1.282412 ! 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=0.060066Jy sigma=1.282412 ! Fit after self-cal, rms=0.062377Jy sigma=1.273971 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7588 mas, bmaj=1.596 mas, bpa=-1.336 degrees ! Estimated noise=0.26189 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000351971 Jy ! Component: 100 - total flux cleaned = 0.000363035 Jy ! Component: 150 - total flux cleaned = 0.000411247 Jy ! Component: 200 - total flux cleaned = 0.00041058 Jy ! Total flux subtracted in 200 components = 0.00041058 Jy ! Clean residual min=-0.001458 max=0.001290 Jy/beam ! Clean residual mean=0.000000 rms=0.000295 Jy/beam ! Combined flux in latest and established models = 0.0474759 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 48 components and 0.0474759 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=0.062361Jy sigma=1.273620 ! Fit after self-cal, rms=0.062884Jy sigma=1.271311 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 = 0.000249078 Jy ! Component: 100 - total flux cleaned = 0.000351807 Jy ! Component: 150 - total flux cleaned = 0.000323956 Jy ! Component: 200 - total flux cleaned = 0.000324383 Jy ! Total flux subtracted in 200 components = 0.000324383 Jy ! Clean residual min=-0.001508 max=0.001337 Jy/beam ! Clean residual mean=0.000001 rms=0.000305 Jy/beam ! Combined flux in latest and established models = 0.0478003 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 57 components and 0.0478003 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=0.062872Jy sigma=1.271082 ! Fit after self-cal, rms=0.062889Jy sigma=1.270872 ! 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=0.062889Jy sigma=1.270872 ! Fit after self-cal, rms=0.065424Jy sigma=1.270224 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7585 mas, bmaj=1.596 mas, bpa=-0.9936 degrees ! Estimated noise=0.264547 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000217641 Jy ! Component: 100 - total flux cleaned = 0.000216436 Jy ! Component: 150 - total flux cleaned = 0.00021682 Jy ! Component: 200 - total flux cleaned = 0.00020453 Jy ! Total flux subtracted in 200 components = 0.00020453 Jy ! Clean residual min=-0.001447 max=0.001225 Jy/beam ! Clean residual mean=0.000001 rms=0.000291 Jy/beam ! Combined flux in latest and established models = 0.0480048 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 65 components and 0.0480048 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=0.065414Jy sigma=1.270059 ! Fit after self-cal, rms=0.065704Jy sigma=1.269551 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 = 0.000128426 Jy ! Component: 100 - total flux cleaned = 0.00016762 Jy ! Component: 150 - total flux cleaned = 0.000189952 Jy ! Component: 200 - total flux cleaned = 0.00020068 Jy ! Total flux subtracted in 200 components = 0.00020068 Jy ! Clean residual min=-0.001436 max=0.001232 Jy/beam ! Clean residual mean=0.000001 rms=0.000294 Jy/beam ! Combined flux in latest and established models = 0.0482055 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 66 components and 0.0482055 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=0.065698Jy sigma=1.269452 ! Fit after self-cal, rms=0.065685Jy sigma=1.269303 ! 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=0.065685Jy sigma=1.269303 ! Fit after self-cal, rms=0.067117Jy sigma=1.269124 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.759 mas, bmaj=2.5 mas, bpa=5.851 degrees ! Estimated noise=0.366259 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000630445 Jy ! Component: 100 - total flux cleaned = 0.000728779 Jy ! Component: 150 - total flux cleaned = 0.000757758 Jy ! Component: 200 - total flux cleaned = 0.000791199 Jy ! Total flux subtracted in 200 components = 0.000791199 Jy ! Clean residual min=-0.001223 max=0.001368 Jy/beam ! Clean residual mean=0.000001 rms=0.000315 Jy/beam ! Combined flux in latest and established models = 0.0489967 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 73 components and 0.0489967 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=0.067114Jy sigma=1.269139 ! Fit after self-cal, rms=0.067302Jy sigma=1.268900 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 = 9.40128e-05 Jy ! Component: 100 - total flux cleaned = 0.000138332 Jy ! Component: 150 - total flux cleaned = 0.000156073 Jy ! Component: 200 - total flux cleaned = 0.000172303 Jy ! Total flux subtracted in 200 components = 0.000172303 Jy ! Clean residual min=-0.001177 max=0.001296 Jy/beam ! Clean residual mean=0.000001 rms=0.000306 Jy/beam ! Combined flux in latest and established models = 0.049169 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 75 components and 0.049169 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=0.067301Jy sigma=1.268963 ! Fit after self-cal, rms=0.067295Jy sigma=1.268842 ! 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=0.7578 mas, bmaj=1.595 mas, bpa=-0.7394 degrees ! Estimated noise=0.265966 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7578 x 1.595 at -0.7394 degrees (North through East) ! Clean map min=-0.0015106 max=0.040711 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=0.6326 mas, bmaj=1.394 mas, bpa=-1.795 degrees ! Estimated noise=0.445141 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.031058 Jy ! Component: 100 - total flux cleaned = 0.038241 Jy ! Component: 150 - total flux cleaned = 0.0409254 Jy ! Component: 200 - total flux cleaned = 0.0412087 Jy ! Total flux subtracted in 200 components = 0.0412087 Jy ! Clean residual min=-0.002314 max=0.002092 Jy/beam ! Clean residual mean=0.000001 rms=0.000511 Jy/beam ! Combined flux in latest and established models = 0.0412087 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.0412087 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7578 mas, bmaj=1.595 mas, bpa=-0.7394 degrees ! Estimated noise=0.265966 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) ! Added new window around map position (-0.6, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00259007 Jy ! Component: 100 - total flux cleaned = 0.00419032 Jy ! Component: 150 - total flux cleaned = 0.00510759 Jy ! Component: 200 - total flux cleaned = 0.00572078 Jy ! Total flux subtracted in 200 components = 0.00572078 Jy ! Clean residual min=-0.001591 max=0.001283 Jy/beam ! Clean residual mean=0.000001 rms=0.000312 Jy/beam ! Combined flux in latest and established models = 0.0469294 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 38 components and 0.0469294 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=1.759 mas, bmaj=2.5 mas, bpa=5.851 degrees ! Estimated noise=0.366259 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00131669 Jy ! Component: 100 - total flux cleaned = 0.00176328 Jy ! Component: 150 - total flux cleaned = 0.00195497 Jy ! Component: 200 - total flux cleaned = 0.00212469 Jy ! Total flux subtracted in 200 components = 0.00212469 Jy ! Clean residual min=-0.001215 max=0.001291 Jy/beam ! Clean residual mean=0.000001 rms=0.000307 Jy/beam ! Combined flux in latest and established models = 0.0490541 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 = 5.66365e-05 Jy ! Component: 100 - total flux cleaned = 8.18539e-05 Jy ! Component: 150 - total flux cleaned = 0.000127552 Jy ! Component: 200 - total flux cleaned = 0.000158148 Jy ! Total flux subtracted in 200 components = 0.000158148 Jy ! Clean residual min=-0.001178 max=0.001322 Jy/beam ! Clean residual mean=0.000001 rms=0.000301 Jy/beam ! Combined flux in latest and established models = 0.0492123 Jy ! Adding 54 model components to the UV plane model. ! The established model now contains 87 components and 0.0492123 Jy ! Inverting map ! Added new window around map position (41.4, -27). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000186246 Jy ! Component: 100 - total flux cleaned = -4.58783e-05 Jy ! Component: 150 - total flux cleaned = -0.000184085 Jy ! Component: 200 - total flux cleaned = -0.000353616 Jy ! Total flux subtracted in 200 components = -0.000353616 Jy ! Clean residual min=-0.001038 max=0.000980 Jy/beam ! Clean residual mean=0.000001 rms=0.000273 Jy/beam ! Combined flux in latest and established models = 0.0488587 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 103 components and 0.0488587 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7578 mas, bmaj=1.595 mas, bpa=-0.7394 degrees ! Estimated noise=0.265966 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000255191 Jy ! Component: 100 - total flux cleaned = -0.000331553 Jy ! Component: 150 - total flux cleaned = -0.000518305 Jy ! Component: 200 - total flux cleaned = -0.000627037 Jy ! Total flux subtracted in 200 components = -0.000627037 Jy ! Clean residual min=-0.001254 max=0.001173 Jy/beam ! Clean residual mean=0.000000 rms=0.000277 Jy/beam ! Combined flux in latest and established models = 0.0482316 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 124 components and 0.0482316 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=0.067251Jy sigma=1.268030 ! Fit after self-cal, rms=0.067204Jy sigma=1.267503 wmodel J1556+1825_X_map.mod ! Writing 124 model components to file: J1556+1825_X_map.mod wobs J1556+1825_X_uvs.fits ! Writing UV FITS file: J1556+1825_X_uvs.fits wwins J1556+1825_X_map.win ! wwins: Wrote 4 windows to J1556+1825_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 = -0.000602745 Jy ! Component: 100 - total flux cleaned = -0.00101359 Jy ! Component: 150 - total flux cleaned = -0.00119846 Jy ! Component: 200 - total flux cleaned = -0.00129771 Jy ! Component: 250 - total flux cleaned = -0.00131714 Jy ! Component: 300 - total flux cleaned = -0.00133601 Jy ! Component: 350 - total flux cleaned = -0.00135399 Jy ! Component: 400 - total flux cleaned = -0.00135397 Jy ! Component: 450 - total flux cleaned = -0.00131978 Jy ! Component: 500 - total flux cleaned = -0.00133668 Jy ! Component: 550 - total flux cleaned = -0.00131979 Jy ! Component: 600 - total flux cleaned = -0.00130327 Jy ! Component: 650 - total flux cleaned = -0.00122335 Jy ! Component: 700 - total flux cleaned = -0.00116065 Jy ! Component: 750 - total flux cleaned = -0.00114523 Jy ! Component: 800 - total flux cleaned = -0.00116022 Jy ! Component: 850 - total flux cleaned = -0.00114492 Jy ! Component: 900 - total flux cleaned = -0.00107136 Jy ! Component: 950 - total flux cleaned = -0.00107167 Jy ! Component: 1000 - total flux cleaned = -0.00105761 Jy ! Component: 1050 - total flux cleaned = -0.00104367 Jy ! Component: 1100 - total flux cleaned = -0.00102958 Jy ! Component: 1150 - total flux cleaned = -0.000960596 Jy ! Component: 1200 - total flux cleaned = -0.00096087 Jy ! Component: 1250 - total flux cleaned = -0.00100138 Jy ! Component: 1300 - total flux cleaned = -0.000948056 Jy ! Component: 1350 - total flux cleaned = -0.000948254 Jy ! Component: 1400 - total flux cleaned = -0.000922205 Jy ! Component: 1450 - total flux cleaned = -0.000935201 Jy ! Component: 1500 - total flux cleaned = -0.000948031 Jy ! Component: 1550 - total flux cleaned = -0.000910426 Jy ! Component: 1600 - total flux cleaned = -0.000897909 Jy ! Component: 1650 - total flux cleaned = -0.000898013 Jy ! Component: 1700 - total flux cleaned = -0.000873669 Jy ! Component: 1750 - total flux cleaned = -0.000897793 Jy ! Component: 1800 - total flux cleaned = -0.000921767 Jy ! Component: 1850 - total flux cleaned = -0.000933585 Jy ! Component: 1900 - total flux cleaned = -0.00092196 Jy ! Component: 1950 - total flux cleaned = -0.000910247 Jy ! Component: 2000 - total flux cleaned = -0.000956334 Jy ! Component: 2050 - total flux cleaned = -0.000967757 Jy ! Component: 2100 - total flux cleaned = -0.000967746 Jy ! Component: 2150 - total flux cleaned = -0.000979131 Jy ! Component: 2200 - total flux cleaned = -0.000990333 Jy ! Component: 2250 - total flux cleaned = -0.000990261 Jy ! Component: 2300 - total flux cleaned = -0.00100107 Jy ! Component: 2350 - total flux cleaned = -0.00101205 Jy ! Component: 2400 - total flux cleaned = -0.000958326 Jy ! Component: 2450 - total flux cleaned = -0.0010225 Jy ! Component: 2500 - total flux cleaned = -0.00105423 Jy ! Component: 2550 - total flux cleaned = -0.0010647 Jy ! Component: 2600 - total flux cleaned = -0.00104388 Jy ! Component: 2650 - total flux cleaned = -0.00109563 Jy ! Component: 2700 - total flux cleaned = -0.00108537 Jy ! Component: 2750 - total flux cleaned = -0.00110586 Jy ! Component: 2800 - total flux cleaned = -0.00113619 Jy ! Component: 2850 - total flux cleaned = -0.00117625 Jy ! Component: 2900 - total flux cleaned = -0.00117625 Jy ! Component: 2950 - total flux cleaned = -0.00120588 Jy ! Component: 3000 - total flux cleaned = -0.00119611 Jy ! Component: 3050 - total flux cleaned = -0.00122532 Jy ! Component: 3100 - total flux cleaned = -0.00125428 Jy ! Component: 3150 - total flux cleaned = -0.00122546 Jy ! Component: 3200 - total flux cleaned = -0.00125403 Jy ! Component: 3250 - total flux cleaned = -0.00126347 Jy ! Component: 3300 - total flux cleaned = -0.00129167 Jy ! Component: 3350 - total flux cleaned = -0.00129163 Jy ! Component: 3400 - total flux cleaned = -0.00130082 Jy ! Component: 3450 - total flux cleaned = -0.00131926 Jy ! Component: 3500 - total flux cleaned = -0.00132837 Jy ! Component: 3550 - total flux cleaned = -0.00133741 Jy ! Component: 3600 - total flux cleaned = -0.00131024 Jy ! Component: 3650 - total flux cleaned = -0.00138226 Jy ! Component: 3700 - total flux cleaned = -0.00139127 Jy ! Component: 3750 - total flux cleaned = -0.00138233 Jy ! Component: 3800 - total flux cleaned = -0.0013734 Jy ! Component: 3850 - total flux cleaned = -0.00138222 Jy ! Component: 3900 - total flux cleaned = -0.00142591 Jy ! Component: 3950 - total flux cleaned = -0.00141719 Jy ! Component: 4000 - total flux cleaned = -0.00145176 Jy ! Component: 4050 - total flux cleaned = -0.00147753 Jy ! Total flux subtracted in 4096 components = -0.00146041 Jy ! Clean residual min=-0.000500 max=0.000492 Jy/beam ! Clean residual mean=0.000000 rms=0.000139 Jy/beam ! Combined flux in latest and established models = 0.0467712 Jy keep ! Adding 280 model components to the UV plane model. ! The established model now contains 404 components and 0.0467712 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1556+1825_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7578 x 1.595 at -0.7394 degrees (North through East) ! Clean map min=-0.0010973 max=0.040642 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1556+1825_X_map.fits wmodel /vlbi/uf001/uva//J1556+1825_X_map.mod ! Writing 404 model components to file: /vlbi/uf001/uva//J1556+1825_X_map.mod wobs /vlbi/uf001/uva//J1556+1825_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1556+1825_X_uvs.fits wwins /vlbi/uf001/uva//J1556+1825_X_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uva//J1556+1825_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0406421 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000138098 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.01937 1.01937 2.03874 4.07747 8.15495 16.3099 32.6198 65.2396 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.04 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 294.299 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1556+1825_X_dfm.log closed on Mon Jan 14 03:30:08 2019