! Started logfile: /image_prod/ug002_uva//J1521+1756_X_dfm.log on Thu Mar 5 02:13:00 2020 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 /image_prod/ug002_uva//J1521+1756_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1521+1756_X_uva.fits ! AN table 1: 75 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.998519 visibilities/baseline/integration-bin. ! Found source: J1521+1756 ! ! 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 40440 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 J1521+1756_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=1.002236Jy sigma=9.398437 ! Fit after self-cal, rms=0.964407Jy sigma=9.036930 ! 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=0.676 mas, bmaj=1.65 mas, bpa=-1.907 degrees ! Estimated noise=0.756174 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 = 0.0271564 Jy ! Component: 100 - total flux cleaned = 0.0342338 Jy ! Total flux subtracted in 100 components = 0.0342338 Jy ! Clean residual min=-0.002723 max=0.010445 Jy/beam ! Clean residual mean=-0.000009 rms=0.000720 Jy/beam ! Combined flux in latest and established models = 0.0342338 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0342338 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=0.059486Jy sigma=0.528797 ! Fit after self-cal, rms=0.057827Jy sigma=0.512644 ! Inverting map ! Added new window around map position (3, -1.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.010295 Jy ! Component: 100 - total flux cleaned = 0.0153536 Jy ! Total flux subtracted in 100 components = 0.0153536 Jy ! Clean residual min=-0.002255 max=0.003697 Jy/beam ! Clean residual mean=-0.000007 rms=0.000567 Jy/beam ! Combined flux in latest and established models = 0.0495874 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 15 components and 0.0495874 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=0.055735Jy sigma=0.490086 ! Fit after self-cal, rms=0.055106Jy sigma=0.483869 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00715129 Jy ! Component: 100 - total flux cleaned = 0.0106156 Jy ! Total flux subtracted in 100 components = 0.0106156 Jy ! Clean residual min=-0.001876 max=0.002529 Jy/beam ! Clean residual mean=-0.000005 rms=0.000477 Jy/beam ! Combined flux in latest and established models = 0.0602031 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 16 components and 0.0602031 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=0.054063Jy sigma=0.472429 ! Fit after self-cal, rms=0.053833Jy sigma=0.470224 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00426825 Jy ! Component: 100 - total flux cleaned = 0.00640588 Jy ! Total flux subtracted in 100 components = 0.00640588 Jy ! Clean residual min=-0.001687 max=0.002801 Jy/beam ! Clean residual mean=-0.000004 rms=0.000418 Jy/beam ! Combined flux in latest and established models = 0.0666089 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 18 components and 0.0666089 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=0.053463Jy sigma=0.466002 ! Fit after self-cal, rms=0.053399Jy sigma=0.465356 ! Inverting map ! Added new window around map position (1.6, -1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00295883 Jy ! Component: 100 - total flux cleaned = 0.00450997 Jy ! Total flux subtracted in 100 components = 0.00450997 Jy ! Clean residual min=-0.001726 max=0.001949 Jy/beam ! Clean residual mean=-0.000003 rms=0.000385 Jy/beam ! Combined flux in latest and established models = 0.0711189 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 33 components and 0.0711189 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=0.053193Jy sigma=0.463039 ! Fit after self-cal, rms=0.053167Jy sigma=0.462777 ! 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=0.8617 mas, bmaj=1.955 mas, bpa=-2.209 degrees ! Estimated noise=0.380993 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 = 0.00245673 Jy ! Component: 100 - total flux cleaned = 0.00387056 Jy ! Component: 150 - total flux cleaned = 0.00412018 Jy ! Component: 200 - total flux cleaned = 0.00425348 Jy ! Total flux subtracted in 200 components = 0.00425348 Jy ! Clean residual min=-0.001689 max=0.001436 Jy/beam ! Clean residual mean=-0.000003 rms=0.000322 Jy/beam ! Combined flux in latest and established models = 0.0753724 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 47 components and 0.0753724 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=0.053047Jy sigma=0.461493 ! Fit after self-cal, rms=0.053030Jy sigma=0.461234 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8617 x 1.955 at -2.209 degrees (North through East) ! Clean map min=-0.0016017 max=0.037252 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.01 HN 0.91 KP 1.04 ! LA 1.06 MK 1.07 NL 1.23 OV 0.93 ! PT 0.85 SC 1.07 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.02 HN 0.92 KP 1.07 ! LA 1.03 MK 1.16 NL 1.24 OV 0.90 ! PT 0.86 SC 1.06 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00 HN 0.91 KP 1.03 ! LA 1.02 MK 1.09 NL 1.22 OV 0.94 ! PT 0.92 SC 1.03 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.03 HN 0.89 KP 1.05 ! LA 1.05 MK 1.09 NL 1.16 OV 0.91 ! PT 0.88 SC 1.02 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 HN 0.91 KP 1.01 ! LA 1.01 MK 1.12 NL 1.29 OV 0.93 ! PT 0.92 SC 1.02 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.05 HN 0.84 KP 1.03 ! LA 1.06 MK 1.07 NL 1.15 OV 0.95 ! PT 0.89 SC 1.02 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.05 HN 0.96 KP 1.02 ! LA 1.06 MK 1.06 NL 1.16 OV 0.95 ! PT 0.86 SC 1.02 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HN 0.88 KP 1.06 ! LA 1.06 MK 1.02 NL 1.09 OV 0.91 ! PT 0.90 SC 1.02 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 HN 0.90 KP 1.07 ! LA 1.03 MK 1.09 NL 1.24 OV 0.94 ! PT 0.87 SC 1.08 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 HN 0.92 KP 1.09 ! LA 1.05 MK 1.07 NL 1.10 OV 0.98 ! PT 0.90 SC 1.02 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.05 HN 0.89 KP 1.00 ! LA 1.03 MK 0.97 NL 1.13 OV 0.92 ! PT 0.91 SC 1.01 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 HN 0.88 KP 1.09 ! LA 1.03 MK 1.14 NL 1.10 OV 0.87 ! PT 0.89 SC 0.89 ! ! ! Fit before self-cal, rms=0.053030Jy sigma=0.461234 ! Fit after self-cal, rms=0.054593Jy sigma=0.458874 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8714 mas, bmaj=1.962 mas, bpa=-2.052 degrees ! Estimated noise=0.380454 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 = 0.000637608 Jy ! Component: 100 - total flux cleaned = 0.000915369 Jy ! Component: 150 - total flux cleaned = 0.00100594 Jy ! Component: 200 - total flux cleaned = 0.00105791 Jy ! Total flux subtracted in 200 components = 0.00105791 Jy ! Clean residual min=-0.000821 max=0.001002 Jy/beam ! Clean residual mean=-0.000001 rms=0.000207 Jy/beam ! Combined flux in latest and established models = 0.0764303 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 56 components and 0.0764303 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=0.054558Jy sigma=0.458506 ! Fit after self-cal, rms=0.054608Jy sigma=0.458149 ! 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=0.054608Jy sigma=0.458149 ! Fit after self-cal, rms=0.054974Jy sigma=0.457081 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8695 mas, bmaj=1.957 mas, bpa=-2.196 degrees ! Estimated noise=0.378443 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000234822 Jy ! Component: 100 - total flux cleaned = 0.000399599 Jy ! Component: 150 - total flux cleaned = 0.000443966 Jy ! Component: 200 - total flux cleaned = 0.000483316 Jy ! Total flux subtracted in 200 components = 0.000483316 Jy ! Clean residual min=-0.000656 max=0.000750 Jy/beam ! Clean residual mean=-0.000001 rms=0.000172 Jy/beam ! Combined flux in latest and established models = 0.0769136 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 64 components and 0.0769136 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=0.054962Jy sigma=0.456958 ! Fit after self-cal, rms=0.054988Jy sigma=0.456887 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 (49, -40). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00026281 Jy ! Component: 100 - total flux cleaned = 0.000243684 Jy ! Component: 150 - total flux cleaned = 0.000320157 Jy ! Component: 200 - total flux cleaned = 0.000361476 Jy ! Total flux subtracted in 200 components = 0.000361476 Jy ! Clean residual min=-0.000665 max=0.000734 Jy/beam ! Clean residual mean=-0.000001 rms=0.000170 Jy/beam ! Combined flux in latest and established models = 0.0772751 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 77 components and 0.0772751 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=0.054974Jy sigma=0.456766 ! Fit after self-cal, rms=0.054972Jy sigma=0.456749 ! Inverting map ! Added new window around map position (2.6, -7.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000648276 Jy ! Component: 100 - total flux cleaned = 0.000832593 Jy ! Component: 150 - total flux cleaned = 0.000876159 Jy ! Component: 200 - total flux cleaned = 0.000916397 Jy ! Total flux subtracted in 200 components = 0.000916397 Jy ! Clean residual min=-0.000646 max=0.000681 Jy/beam ! Clean residual mean=-0.000000 rms=0.000166 Jy/beam ! Combined flux in latest and established models = 0.0781915 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 86 components and 0.0781915 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=0.054960Jy sigma=0.456648 ! Fit after self-cal, rms=0.054957Jy sigma=0.456631 ! 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=0.054957Jy sigma=0.456631 ! Fit after self-cal, rms=0.055053Jy sigma=0.456544 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8681 mas, bmaj=1.956 mas, bpa=-2.193 degrees ! Estimated noise=0.376379 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000211361 Jy ! Component: 100 - total flux cleaned = 0.000388444 Jy ! Component: 150 - total flux cleaned = 0.000492553 Jy ! Component: 200 - total flux cleaned = 0.000540101 Jy ! Total flux subtracted in 200 components = 0.000540101 Jy ! Clean residual min=-0.000628 max=0.000660 Jy/beam ! Clean residual mean=-0.000000 rms=0.000159 Jy/beam ! Combined flux in latest and established models = 0.0787316 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 94 components and 0.0787316 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=0.055045Jy sigma=0.456480 ! Fit after self-cal, rms=0.055052Jy sigma=0.456466 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 (2.6, 8.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000591172 Jy ! Component: 100 - total flux cleaned = 0.000707498 Jy ! Component: 150 - total flux cleaned = 0.000901334 Jy ! Component: 200 - total flux cleaned = 0.00101414 Jy ! Total flux subtracted in 200 components = 0.00101414 Jy ! Clean residual min=-0.000615 max=0.000647 Jy/beam ! Clean residual mean=-0.000000 rms=0.000154 Jy/beam ! Combined flux in latest and established models = 0.0797458 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 114 components and 0.0797458 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=0.055040Jy sigma=0.456364 ! Fit after self-cal, rms=0.055038Jy sigma=0.456353 ! 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=0.055038Jy sigma=0.456353 ! Fit after self-cal, rms=0.054848Jy sigma=0.456344 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.08 mas, bmaj=2.892 mas, bpa=-2.161 degrees ! Estimated noise=0.480297 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000205651 Jy ! Component: 100 - total flux cleaned = 0.000300796 Jy ! Component: 150 - total flux cleaned = 0.000392519 Jy ! Component: 200 - total flux cleaned = 0.000436997 Jy ! Total flux subtracted in 200 components = 0.000436997 Jy ! Clean residual min=-0.000595 max=0.000635 Jy/beam ! Clean residual mean=-0.000000 rms=0.000170 Jy/beam ! Combined flux in latest and established models = 0.0801828 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 127 components and 0.0801828 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=0.054845Jy sigma=0.456325 ! Fit after self-cal, rms=0.054845Jy sigma=0.456321 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 = 2.60974e-05 Jy ! Component: 100 - total flux cleaned = 8.2806e-05 Jy ! Component: 150 - total flux cleaned = 9.7882e-05 Jy ! Component: 200 - total flux cleaned = 0.000111882 Jy ! Total flux subtracted in 200 components = 0.000111882 Jy ! Clean residual min=-0.000596 max=0.000615 Jy/beam ! Clean residual mean=-0.000000 rms=0.000169 Jy/beam ! Combined flux in latest and established models = 0.0802947 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 132 components and 0.0802947 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=0.054843Jy sigma=0.456316 ! Fit after self-cal, rms=0.054843Jy sigma=0.456315 ! 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=0.8676 mas, bmaj=1.956 mas, bpa=-2.197 degrees ! Estimated noise=0.374941 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8676 x 1.956 at -2.197 degrees (North through East) ! Clean map min=-0.00065338 max=0.036229 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=0.6819 mas, bmaj=1.652 mas, bpa=-1.894 degrees ! Estimated noise=0.74671 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0305217 Jy ! Component: 100 - total flux cleaned = 0.0450744 Jy ! Component: 150 - total flux cleaned = 0.0533363 Jy ! Component: 200 - total flux cleaned = 0.0588273 Jy ! Total flux subtracted in 200 components = 0.0588273 Jy ! Clean residual min=-0.001629 max=0.003093 Jy/beam ! Clean residual mean=-0.000005 rms=0.000431 Jy/beam ! Combined flux in latest and established models = 0.0588272 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.0588272 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8676 mas, bmaj=1.956 mas, bpa=-2.197 degrees ! Estimated noise=0.374941 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 = 0.00606449 Jy ! Component: 100 - total flux cleaned = 0.00998828 Jy ! Component: 150 - total flux cleaned = 0.0126368 Jy ! Component: 200 - total flux cleaned = 0.0144889 Jy ! Total flux subtracted in 200 components = 0.0144889 Jy ! Clean residual min=-0.000905 max=0.001052 Jy/beam ! Clean residual mean=-0.000001 rms=0.000213 Jy/beam ! Combined flux in latest and established models = 0.0733161 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 38 components and 0.0733161 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00136824 Jy ! Component: 100 - total flux cleaned = 0.00243265 Jy ! Component: 150 - total flux cleaned = 0.00315711 Jy ! Component: 200 - total flux cleaned = 0.0037542 Jy ! Total flux subtracted in 200 components = 0.0037542 Jy ! Clean residual min=-0.000757 max=0.000744 Jy/beam ! Clean residual mean=-0.000001 rms=0.000173 Jy/beam ! Combined flux in latest and established models = 0.0770703 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 56 components and 0.0770703 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=2.08 mas, bmaj=2.892 mas, bpa=-2.161 degrees ! Estimated noise=0.480297 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000932086 Jy ! Component: 100 - total flux cleaned = 0.0013691 Jy ! Component: 150 - total flux cleaned = 0.00175637 Jy ! Component: 200 - total flux cleaned = 0.00211779 Jy ! Total flux subtracted in 200 components = 0.00211779 Jy ! Clean residual min=-0.000615 max=0.000647 Jy/beam ! Clean residual mean=-0.000001 rms=0.000179 Jy/beam ! Combined flux in latest and established models = 0.0791881 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 = 0.000297115 Jy ! Component: 100 - total flux cleaned = 0.000483887 Jy ! Component: 150 - total flux cleaned = 0.000596854 Jy ! Component: 200 - total flux cleaned = 0.000658877 Jy ! Total flux subtracted in 200 components = 0.000658877 Jy ! Clean residual min=-0.000608 max=0.000619 Jy/beam ! Clean residual mean=-0.000000 rms=0.000173 Jy/beam ! Combined flux in latest and established models = 0.079847 Jy ! Adding 59 model components to the UV plane model. ! The established model now contains 103 components and 0.0798469 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8676 mas, bmaj=1.956 mas, bpa=-2.197 degrees ! Estimated noise=0.374941 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.34127e-05 Jy ! Component: 100 - total flux cleaned = 6.78189e-05 Jy ! Component: 150 - total flux cleaned = 0.000132846 Jy ! Component: 200 - total flux cleaned = 0.000207497 Jy ! Total flux subtracted in 200 components = 0.000207497 Jy ! Clean residual min=-0.000694 max=0.000654 Jy/beam ! Clean residual mean=-0.000000 rms=0.000154 Jy/beam ! Combined flux in latest and established models = 0.0800544 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 116 components and 0.0800544 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=0.054846Jy sigma=0.456366 ! Fit after self-cal, rms=0.054842Jy sigma=0.456340 wmodel J1521+1756_X_map.mod ! Writing 116 model components to file: J1521+1756_X_map.mod wobs J1521+1756_X_uvs.fits ! Writing UV FITS file: J1521+1756_X_uvs.fits wwins J1521+1756_X_map.win ! wwins: Wrote 6 windows to J1521+1756_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 = 9.49294e-05 Jy ! Component: 100 - total flux cleaned = 0.000198739 Jy ! Component: 150 - total flux cleaned = 0.000265305 Jy ! Component: 200 - total flux cleaned = 0.000308183 Jy ! Component: 250 - total flux cleaned = 0.000318359 Jy ! Component: 300 - total flux cleaned = 0.000308028 Jy ! Component: 350 - total flux cleaned = 0.000338043 Jy ! Component: 400 - total flux cleaned = 0.000347713 Jy ! Component: 450 - total flux cleaned = 0.000386311 Jy ! Component: 500 - total flux cleaned = 0.000386173 Jy ! Component: 550 - total flux cleaned = 0.000404962 Jy ! Component: 600 - total flux cleaned = 0.000432883 Jy ! Component: 650 - total flux cleaned = 0.00046947 Jy ! Component: 700 - total flux cleaned = 0.000460244 Jy ! Component: 750 - total flux cleaned = 0.000496147 Jy ! Component: 800 - total flux cleaned = 0.000513868 Jy ! Component: 850 - total flux cleaned = 0.000513871 Jy ! Component: 900 - total flux cleaned = 0.000557341 Jy ! Component: 950 - total flux cleaned = 0.000574548 Jy ! Component: 1000 - total flux cleaned = 0.000625526 Jy ! Component: 1050 - total flux cleaned = 0.000650732 Jy ! Component: 1100 - total flux cleaned = 0.000667275 Jy ! Component: 1150 - total flux cleaned = 0.000683772 Jy ! Component: 1200 - total flux cleaned = 0.000683741 Jy ! Component: 1250 - total flux cleaned = 0.000708108 Jy ! Component: 1300 - total flux cleaned = 0.000724183 Jy ! Component: 1350 - total flux cleaned = 0.000732043 Jy ! Component: 1400 - total flux cleaned = 0.000716355 Jy ! Component: 1450 - total flux cleaned = 0.000739983 Jy ! Component: 1500 - total flux cleaned = 0.000739937 Jy ! Component: 1550 - total flux cleaned = 0.000763219 Jy ! Component: 1600 - total flux cleaned = 0.000793942 Jy ! Component: 1650 - total flux cleaned = 0.000778724 Jy ! Component: 1700 - total flux cleaned = 0.000801364 Jy ! Component: 1750 - total flux cleaned = 0.000808826 Jy ! Component: 1800 - total flux cleaned = 0.000808777 Jy ! Component: 1850 - total flux cleaned = 0.0008161 Jy ! Component: 1900 - total flux cleaned = 0.000823441 Jy ! Component: 1950 - total flux cleaned = 0.000808771 Jy ! Component: 2000 - total flux cleaned = 0.000808735 Jy ! Component: 2050 - total flux cleaned = 0.000808695 Jy ! Component: 2100 - total flux cleaned = 0.000787269 Jy ! Component: 2150 - total flux cleaned = 0.000808588 Jy ! Component: 2200 - total flux cleaned = 0.000808589 Jy ! Component: 2250 - total flux cleaned = 0.000815693 Jy ! Component: 2300 - total flux cleaned = 0.000836654 Jy ! Component: 2350 - total flux cleaned = 0.000822715 Jy ! Component: 2400 - total flux cleaned = 0.000843415 Jy ! Component: 2450 - total flux cleaned = 0.000843475 Jy ! Component: 2500 - total flux cleaned = 0.000904762 Jy ! Component: 2550 - total flux cleaned = 0.000891213 Jy ! Component: 2600 - total flux cleaned = 0.000911418 Jy ! Component: 2650 - total flux cleaned = 0.000938202 Jy ! Component: 2700 - total flux cleaned = 0.000918145 Jy ! Component: 2750 - total flux cleaned = 0.000937971 Jy ! Component: 2800 - total flux cleaned = 0.000944563 Jy ! Component: 2850 - total flux cleaned = 0.00096418 Jy ! Component: 2900 - total flux cleaned = 0.000990239 Jy ! Component: 2950 - total flux cleaned = 0.000996706 Jy ! Component: 3000 - total flux cleaned = 0.000996744 Jy ! Component: 3050 - total flux cleaned = 0.00104163 Jy ! Component: 3100 - total flux cleaned = 0.00105437 Jy ! Component: 3150 - total flux cleaned = 0.00106706 Jy ! Component: 3200 - total flux cleaned = 0.00106071 Jy ! Component: 3250 - total flux cleaned = 0.00109835 Jy ! Component: 3300 - total flux cleaned = 0.00111086 Jy ! Component: 3350 - total flux cleaned = 0.00112961 Jy ! Component: 3400 - total flux cleaned = 0.00113584 Jy ! Component: 3450 - total flux cleaned = 0.00114818 Jy ! Component: 3500 - total flux cleaned = 0.00117886 Jy ! Component: 3550 - total flux cleaned = 0.00119722 Jy ! Component: 3600 - total flux cleaned = 0.00119725 Jy ! Component: 3650 - total flux cleaned = 0.00121539 Jy ! Component: 3700 - total flux cleaned = 0.00122744 Jy ! Component: 3750 - total flux cleaned = 0.0012394 Jy ! Component: 3800 - total flux cleaned = 0.00126322 Jy ! Component: 3850 - total flux cleaned = 0.00126321 Jy ! Component: 3900 - total flux cleaned = 0.0012514 Jy ! Component: 3950 - total flux cleaned = 0.0012749 Jy ! Component: 4000 - total flux cleaned = 0.00129251 Jy ! Component: 4050 - total flux cleaned = 0.0013216 Jy ! Total flux subtracted in 4096 components = 0.0013332 Jy ! Clean residual min=-0.000371 max=0.000410 Jy/beam ! Clean residual mean=-0.000000 rms=0.000100 Jy/beam ! Combined flux in latest and established models = 0.0813876 Jy keep ! Adding 300 model components to the UV plane model. ! The established model now contains 416 components and 0.0813876 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1521+1756_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8676 x 1.956 at -2.197 degrees (North through East) ! Clean map min=-0.00062845 max=0.036088 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1521+1756_X_map.fits wmodel /image_prod/ug002_uva//J1521+1756_X_map.mod ! Writing 416 model components to file: /image_prod/ug002_uva//J1521+1756_X_map.mod wobs /image_prod/ug002_uva//J1521+1756_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1521+1756_X_uvs.fits wwins /image_prod/ug002_uva//J1521+1756_X_map.win ! wwins: Wrote 7 windows to /image_prod/ug002_uva//J1521+1756_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0360882 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000100191 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.832882 0.832882 1.66576 3.33153 6.66305 13.3261 26.6522 53.3044 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.036 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 360.195 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1521+1756_X_dfm.log closed on Thu Mar 5 02:13:05 2020