! Started logfile: /vlbi/uf001/uva//J2309+6820_X_dfm.log on Mon Jan 14 06:35:30 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//J2309+6820_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2309+6820_X_uva.fits ! AN table 1: 96 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.982407 visibilities/baseline/integration-bin. ! Found source: J2309+6820 ! ! 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 50928 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 J2309+6820_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 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.006579Jy sigma=23.949322 ! Fit after self-cal, rms=0.883054Jy sigma=21.034057 ! 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=0.7727 mas, bmaj=0.8962 mas, bpa=-13.05 degrees ! Estimated noise=0.308288 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 = 0.0828011 Jy ! Component: 100 - total flux cleaned = 0.113792 Jy ! Total flux subtracted in 100 components = 0.113792 Jy ! Clean residual min=-0.003571 max=0.013854 Jy/beam ! Clean residual mean=0.000003 rms=0.000897 Jy/beam ! Combined flux in latest and established models = 0.113792 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.113792 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=0.060921Jy sigma=1.394884 ! Fit after self-cal, rms=0.060679Jy sigma=1.388796 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0154987 Jy ! Component: 100 - total flux cleaned = 0.0232433 Jy ! Total flux subtracted in 100 components = 0.0232433 Jy ! Clean residual min=-0.002780 max=0.004915 Jy/beam ! Clean residual mean=0.000002 rms=0.000595 Jy/beam ! Combined flux in latest and established models = 0.137035 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 9 components and 0.137035 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=0.055215Jy sigma=1.259474 ! Fit after self-cal, rms=0.055183Jy sigma=1.258541 ! Inverting map ! Added new window around map position (-1.2, 0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00499379 Jy ! Component: 100 - total flux cleaned = 0.00840138 Jy ! Total flux subtracted in 100 components = 0.00840138 Jy ! Clean residual min=-0.002573 max=0.003429 Jy/beam ! Clean residual mean=0.000002 rms=0.000550 Jy/beam ! Combined flux in latest and established models = 0.145437 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 16 components and 0.145437 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=0.054387Jy sigma=1.239848 ! Fit after self-cal, rms=0.054365Jy sigma=1.239268 ! Inverting map ! Added new window around map position (1.4, 1.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0035839 Jy ! Component: 100 - total flux cleaned = 0.00619036 Jy ! Total flux subtracted in 100 components = 0.00619036 Jy ! Clean residual min=-0.002359 max=0.002807 Jy/beam ! Clean residual mean=0.000001 rms=0.000519 Jy/beam ! Combined flux in latest and established models = 0.151627 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 24 components and 0.151627 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=0.054008Jy sigma=1.230285 ! Fit after self-cal, rms=0.053990Jy sigma=1.229880 ! 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=1.02 mas, bmaj=1.178 mas, bpa=-10.49 degrees ! Estimated noise=0.133118 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 (-1.4, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00416807 Jy ! Component: 100 - total flux cleaned = 0.00702911 Jy ! Component: 150 - total flux cleaned = 0.00922743 Jy ! Component: 200 - total flux cleaned = 0.0105586 Jy ! Total flux subtracted in 200 components = 0.0105586 Jy ! Clean residual min=-0.002120 max=0.002503 Jy/beam ! Clean residual mean=-0.000001 rms=0.000472 Jy/beam ! Combined flux in latest and established models = 0.162186 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 43 components and 0.162186 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=0.053583Jy sigma=1.219377 ! Fit after self-cal, rms=0.053561Jy sigma=1.218957 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.02 x 1.178 at -10.49 degrees (North through East) ! Clean map min=-0.0019996 max=0.11195 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 0.93 KP 1.01 ! LA 1.00 MK 1.00 NL 1.08 OV 0.92 ! PT 0.93 SC 0.94 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 HN 0.94 KP 1.02 ! LA 0.99 MK 1.05 NL 1.10 OV 0.93 ! PT 0.92 SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.03 HN 0.96 KP 0.99 ! LA 0.99 MK 1.01 NL 1.09 OV 0.90 ! PT 0.95 SC 0.93 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 HN 0.93 KP 1.02 ! LA 0.99 MK 1.01 NL 1.09 OV 0.92 ! PT 0.93 SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.01 HN 0.95 KP 1.03 ! LA 1.00 MK 1.02 NL 1.11 OV 0.92 ! PT 0.92 SC 0.95 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00 HN 0.93 KP 1.03 ! LA 1.00 MK 1.02 NL 1.11 OV 0.90 ! PT 0.94 SC 0.96 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00 HN 0.93 KP 1.02 ! LA 0.99 MK 1.03 NL 1.12 OV 0.93 ! PT 0.94 SC 0.94 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.00 HN 0.94 KP 1.02 ! LA 1.00 MK 1.04 NL 1.11 OV 0.91 ! PT 0.96 SC 0.96 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 0.94 KP 1.02 ! LA 1.01 MK 1.01 NL 1.13 OV 0.90 ! PT 0.94 SC 0.96 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.03 HN 0.93 KP 1.03 ! LA 1.00 MK 1.01 NL 1.11 OV 0.94 ! PT 0.94 SC 0.97 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 HN 0.96 KP 1.05 ! LA 1.01 MK 1.00 NL 1.12 OV 0.94 ! PT 0.94 SC 1.00 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.03 HN 0.96 KP 1.04 ! LA 1.02 MK 1.00 NL 1.10 OV 0.92 ! PT 0.94 SC 0.96 ! ! ! Fit before self-cal, rms=0.053561Jy sigma=1.218957 ! Fit after self-cal, rms=0.051883Jy sigma=1.195899 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.017 mas, bmaj=1.174 mas, bpa=-9.847 degrees ! Estimated noise=0.13209 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 = -0.00137781 Jy ! Component: 100 - total flux cleaned = -0.00197876 Jy ! Component: 150 - total flux cleaned = -0.00226861 Jy ! Component: 200 - total flux cleaned = -0.00251123 Jy ! Total flux subtracted in 200 components = -0.00251123 Jy ! Clean residual min=-0.001126 max=0.001025 Jy/beam ! Clean residual mean=-0.000000 rms=0.000214 Jy/beam ! Combined flux in latest and established models = 0.159674 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 54 components and 0.159674 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=0.051805Jy sigma=1.193935 ! Fit after self-cal, rms=0.051819Jy sigma=1.193656 ! 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=0.051819Jy sigma=1.193656 ! Fit after self-cal, rms=0.051639Jy sigma=1.189580 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.019 mas, bmaj=1.166 mas, bpa=-8.866 degrees ! Estimated noise=0.132007 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000520189 Jy ! Component: 100 - total flux cleaned = -0.000664392 Jy ! Component: 150 - total flux cleaned = -0.000780512 Jy ! Component: 200 - total flux cleaned = -0.000831353 Jy ! Total flux subtracted in 200 components = -0.000831353 Jy ! Clean residual min=-0.000770 max=0.000794 Jy/beam ! Clean residual mean=0.000003 rms=0.000171 Jy/beam ! Combined flux in latest and established models = 0.158843 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 67 components and 0.158843 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=0.051622Jy sigma=1.189167 ! Fit after self-cal, rms=0.051626Jy sigma=1.189112 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 (-9.6, -5.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000710758 Jy ! Component: 100 - total flux cleaned = 0.000807275 Jy ! Component: 150 - total flux cleaned = 0.000836704 Jy ! Component: 200 - total flux cleaned = 0.000837232 Jy ! Total flux subtracted in 200 components = 0.000837232 Jy ! Clean residual min=-0.000729 max=0.000717 Jy/beam ! Clean residual mean=0.000002 rms=0.000166 Jy/beam ! Combined flux in latest and established models = 0.15968 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 82 components and 0.15968 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=0.051612Jy sigma=1.188786 ! Fit after self-cal, rms=0.051612Jy sigma=1.188769 ! 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=0.051612Jy sigma=1.188769 ! Fit after self-cal, rms=0.051527Jy sigma=1.188675 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.018 mas, bmaj=1.165 mas, bpa=-8.501 degrees ! Estimated noise=0.131861 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000274098 Jy ! Component: 100 - total flux cleaned = -0.000356202 Jy ! Component: 150 - total flux cleaned = -0.000370848 Jy ! Component: 200 - total flux cleaned = -0.000396534 Jy ! Total flux subtracted in 200 components = -0.000396534 Jy ! Clean residual min=-0.000712 max=0.000710 Jy/beam ! Clean residual mean=0.000002 rms=0.000161 Jy/beam ! Combined flux in latest and established models = 0.159284 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 87 components and 0.159284 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=0.051519Jy sigma=1.188475 ! Fit after self-cal, rms=0.051518Jy sigma=1.188467 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 = 1.4715e-05 Jy ! Component: 100 - total flux cleaned = 2.97733e-06 Jy ! Component: 150 - total flux cleaned = 3.05313e-06 Jy ! Component: 200 - total flux cleaned = -1.86271e-05 Jy ! Total flux subtracted in 200 components = -1.86271e-05 Jy ! Clean residual min=-0.000702 max=0.000697 Jy/beam ! Clean residual mean=0.000002 rms=0.000160 Jy/beam ! Combined flux in latest and established models = 0.159265 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 90 components and 0.159265 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=0.051514Jy sigma=1.188364 ! Fit after self-cal, rms=0.051514Jy sigma=1.188364 ! 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=0.051514Jy sigma=1.188364 ! Fit after self-cal, rms=0.051479Jy sigma=1.188329 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.378 mas, bmaj=2.415 mas, bpa=47.86 degrees ! Estimated noise=0.173306 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000534682 Jy ! Component: 100 - total flux cleaned = -0.000729175 Jy ! Component: 150 - total flux cleaned = -0.000786265 Jy ! Component: 200 - total flux cleaned = -0.000793593 Jy ! Total flux subtracted in 200 components = -0.000793593 Jy ! Clean residual min=-0.000680 max=0.000757 Jy/beam ! Clean residual mean=0.000005 rms=0.000195 Jy/beam ! Combined flux in latest and established models = 0.158472 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 101 components and 0.158472 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=0.051478Jy sigma=1.188298 ! Fit after self-cal, rms=0.051478Jy sigma=1.188289 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 = -7.70565e-05 Jy ! Component: 100 - total flux cleaned = -7.64826e-05 Jy ! Component: 150 - total flux cleaned = -7.59733e-05 Jy ! Component: 200 - total flux cleaned = -6.50502e-05 Jy ! Total flux subtracted in 200 components = -6.50502e-05 Jy ! Clean residual min=-0.000703 max=0.000732 Jy/beam ! Clean residual mean=0.000005 rms=0.000194 Jy/beam ! Combined flux in latest and established models = 0.158406 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 106 components and 0.158406 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=0.051478Jy sigma=1.188296 ! Fit after self-cal, rms=0.051478Jy sigma=1.188294 ! 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=1.017 mas, bmaj=1.164 mas, bpa=-8.316 degrees ! Estimated noise=0.131813 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.017 x 1.164 at -8.316 degrees (North through East) ! Clean map min=-0.00064753 max=0.11106 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=0.7729 mas, bmaj=0.8833 mas, bpa=-10.3 degrees ! Estimated noise=0.303868 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0820797 Jy ! Component: 100 - total flux cleaned = 0.113447 Jy ! Component: 150 - total flux cleaned = 0.128652 Jy ! Component: 200 - total flux cleaned = 0.136901 Jy ! Total flux subtracted in 200 components = 0.136901 Jy ! Clean residual min=-0.001812 max=0.004275 Jy/beam ! Clean residual mean=0.000003 rms=0.000439 Jy/beam ! Combined flux in latest and established models = 0.136901 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.136901 Jy ! Inverting map and beam ! Estimated beam: bmin=1.017 mas, bmaj=1.164 mas, bpa=-8.316 degrees ! Estimated noise=0.131813 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 = 0.00777595 Jy ! Component: 100 - total flux cleaned = 0.0117605 Jy ! Component: 150 - total flux cleaned = 0.0140712 Jy ! Component: 200 - total flux cleaned = 0.0156935 Jy ! Total flux subtracted in 200 components = 0.0156935 Jy ! Clean residual min=-0.000813 max=0.001221 Jy/beam ! Clean residual mean=0.000002 rms=0.000198 Jy/beam ! Combined flux in latest and established models = 0.152595 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 38 components and 0.152595 Jy ! Inverting map ! Added new window around map position (-2.4, 0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00129436 Jy ! Component: 100 - total flux cleaned = 0.00230263 Jy ! Component: 150 - total flux cleaned = 0.00314376 Jy ! Component: 200 - total flux cleaned = 0.00380161 Jy ! Total flux subtracted in 200 components = 0.00380161 Jy ! Clean residual min=-0.000719 max=0.000785 Jy/beam ! Clean residual mean=0.000002 rms=0.000167 Jy/beam ! Combined flux in latest and established models = 0.156396 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 60 components and 0.156396 Jy ! Inverting map ! Added new window around map position (-26.8, 12.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000642893 Jy ! Component: 100 - total flux cleaned = 0.00094989 Jy ! Component: 150 - total flux cleaned = 0.00123055 Jy ! Component: 200 - total flux cleaned = 0.00148692 Jy ! Total flux subtracted in 200 components = 0.00148692 Jy ! Clean residual min=-0.000669 max=0.000664 Jy/beam ! Clean residual mean=0.000002 rms=0.000158 Jy/beam ! Combined flux in latest and established models = 0.157883 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 71 components and 0.157883 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=2.378 mas, bmaj=2.415 mas, bpa=47.86 degrees ! Estimated noise=0.173306 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000234968 Jy ! Component: 100 - total flux cleaned = 0.000392896 Jy ! Component: 150 - total flux cleaned = 0.000502827 Jy ! Component: 200 - total flux cleaned = 0.00061015 Jy ! Total flux subtracted in 200 components = 0.00061015 Jy ! Clean residual min=-0.000688 max=0.000710 Jy/beam ! Clean residual mean=0.000005 rms=0.000190 Jy/beam ! Combined flux in latest and established models = 0.158493 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 = 9.32468e-05 Jy ! Component: 100 - total flux cleaned = 0.000187005 Jy ! Component: 150 - total flux cleaned = 0.0002797 Jy ! Component: 200 - total flux cleaned = 0.000338245 Jy ! Total flux subtracted in 200 components = 0.000338245 Jy ! Clean residual min=-0.000666 max=0.000710 Jy/beam ! Clean residual mean=0.000005 rms=0.000185 Jy/beam ! Combined flux in latest and established models = 0.158831 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 111 components and 0.158831 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.017 mas, bmaj=1.164 mas, bpa=-8.316 degrees ! Estimated noise=0.131813 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.29046e-05 Jy ! Component: 100 - total flux cleaned = 0.000169925 Jy ! Component: 150 - total flux cleaned = 0.000218942 Jy ! Component: 200 - total flux cleaned = 0.000265187 Jy ! Total flux subtracted in 200 components = 0.000265187 Jy ! Clean residual min=-0.000654 max=0.000656 Jy/beam ! Clean residual mean=0.000002 rms=0.000149 Jy/beam ! Combined flux in latest and established models = 0.159097 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 125 components and 0.159097 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=0.051454Jy sigma=1.187730 ! Fit after self-cal, rms=0.051451Jy sigma=1.187647 wmodel J2309+6820_X_map.mod ! Writing 125 model components to file: J2309+6820_X_map.mod wobs J2309+6820_X_uvs.fits ! Writing UV FITS file: J2309+6820_X_uvs.fits wwins J2309+6820_X_map.win ! wwins: Wrote 7 windows to J2309+6820_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 = -9.57543e-05 Jy ! Component: 100 - total flux cleaned = -9.56036e-05 Jy ! Component: 150 - total flux cleaned = -2.20368e-05 Jy ! Component: 200 - total flux cleaned = -1.17972e-05 Jy ! Component: 250 - total flux cleaned = 3.87572e-05 Jy ! Component: 300 - total flux cleaned = 5.85888e-05 Jy ! Component: 350 - total flux cleaned = 0.000117181 Jy ! Component: 400 - total flux cleaned = 0.000117265 Jy ! Component: 450 - total flux cleaned = 0.000136462 Jy ! Component: 500 - total flux cleaned = 0.000183329 Jy ! Component: 550 - total flux cleaned = 0.000183322 Jy ! Component: 600 - total flux cleaned = 0.000229106 Jy ! Component: 650 - total flux cleaned = 0.000274247 Jy ! Component: 700 - total flux cleaned = 0.000274113 Jy ! Component: 750 - total flux cleaned = 0.000318523 Jy ! Component: 800 - total flux cleaned = 0.000336103 Jy ! Component: 850 - total flux cleaned = 0.000388337 Jy ! Component: 900 - total flux cleaned = 0.000448678 Jy ! Component: 950 - total flux cleaned = 0.000440076 Jy ! Component: 1000 - total flux cleaned = 0.00049102 Jy ! Component: 1050 - total flux cleaned = 0.000541615 Jy ! Component: 1100 - total flux cleaned = 0.000574937 Jy ! Component: 1150 - total flux cleaned = 0.000599751 Jy ! Component: 1200 - total flux cleaned = 0.000640863 Jy ! Component: 1250 - total flux cleaned = 0.000665342 Jy ! Component: 1300 - total flux cleaned = 0.000697739 Jy ! Component: 1350 - total flux cleaned = 0.000713865 Jy ! Component: 1400 - total flux cleaned = 0.000713826 Jy ! Component: 1450 - total flux cleaned = 0.000769536 Jy ! Component: 1500 - total flux cleaned = 0.000753673 Jy ! Component: 1550 - total flux cleaned = 0.000785052 Jy ! Component: 1600 - total flux cleaned = 0.000800705 Jy ! Component: 1650 - total flux cleaned = 0.000808471 Jy ! Component: 1700 - total flux cleaned = 0.000854704 Jy ! Component: 1750 - total flux cleaned = 0.00085472 Jy ! Component: 1800 - total flux cleaned = 0.000885216 Jy ! Component: 1850 - total flux cleaned = 0.000915563 Jy ! Component: 1900 - total flux cleaned = 0.000930655 Jy ! Component: 1950 - total flux cleaned = 0.000960705 Jy ! Component: 2000 - total flux cleaned = 0.000983128 Jy ! Component: 2050 - total flux cleaned = 0.00102022 Jy ! Component: 2100 - total flux cleaned = 0.00103494 Jy ! Component: 2150 - total flux cleaned = 0.00103496 Jy ! Component: 2200 - total flux cleaned = 0.00105692 Jy ! Component: 2250 - total flux cleaned = 0.00107146 Jy ! Component: 2300 - total flux cleaned = 0.00110766 Jy ! Component: 2350 - total flux cleaned = 0.00110765 Jy ! Component: 2400 - total flux cleaned = 0.00112202 Jy ! Component: 2450 - total flux cleaned = 0.00112916 Jy ! Component: 2500 - total flux cleaned = 0.00117896 Jy ! Component: 2550 - total flux cleaned = 0.00115775 Jy ! Component: 2600 - total flux cleaned = 0.00117888 Jy ! Component: 2650 - total flux cleaned = 0.00121393 Jy ! Component: 2700 - total flux cleaned = 0.00122791 Jy ! Component: 2750 - total flux cleaned = 0.00124178 Jy ! Component: 2800 - total flux cleaned = 0.00125568 Jy ! Component: 2850 - total flux cleaned = 0.00126946 Jy ! Component: 2900 - total flux cleaned = 0.00129006 Jy ! Component: 2950 - total flux cleaned = 0.0012901 Jy ! Component: 3000 - total flux cleaned = 0.0012901 Jy ! Component: 3050 - total flux cleaned = 0.001351 Jy ! Component: 3100 - total flux cleaned = 0.0013511 Jy ! Component: 3150 - total flux cleaned = 0.00138467 Jy ! Component: 3200 - total flux cleaned = 0.0014381 Jy ! Component: 3250 - total flux cleaned = 0.00141815 Jy ! Component: 3300 - total flux cleaned = 0.00142476 Jy ! Component: 3350 - total flux cleaned = 0.00141814 Jy ! Component: 3400 - total flux cleaned = 0.00147065 Jy ! Component: 3450 - total flux cleaned = 0.00148373 Jy ! Component: 3500 - total flux cleaned = 0.00148374 Jy ! Component: 3550 - total flux cleaned = 0.00150975 Jy ! Component: 3600 - total flux cleaned = 0.00153558 Jy ! Component: 3650 - total flux cleaned = 0.00157423 Jy ! Component: 3700 - total flux cleaned = 0.00156785 Jy ! Component: 3750 - total flux cleaned = 0.00156146 Jy ! Component: 3800 - total flux cleaned = 0.00158055 Jy ! Component: 3850 - total flux cleaned = 0.00158057 Jy ! Component: 3900 - total flux cleaned = 0.00156793 Jy ! Component: 3950 - total flux cleaned = 0.00159313 Jy ! Component: 4000 - total flux cleaned = 0.00159316 Jy ! Component: 4050 - total flux cleaned = 0.00163071 Jy ! Total flux subtracted in 4096 components = 0.00161825 Jy ! Clean residual min=-0.000393 max=0.000405 Jy/beam ! Clean residual mean=0.000002 rms=0.000106 Jy/beam ! Combined flux in latest and established models = 0.160715 Jy keep ! Adding 343 model components to the UV plane model. ! The established model now contains 468 components and 0.160715 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2309+6820_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.017 x 1.164 at -8.316 degrees (North through East) ! Clean map min=-0.00051889 max=0.11099 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2309+6820_X_map.fits wmodel /vlbi/uf001/uva//J2309+6820_X_map.mod ! Writing 468 model components to file: /vlbi/uf001/uva//J2309+6820_X_map.mod wobs /vlbi/uf001/uva//J2309+6820_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2309+6820_X_uvs.fits wwins /vlbi/uf001/uva//J2309+6820_X_map.win ! wwins: Wrote 8 windows to /vlbi/uf001/uva//J2309+6820_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.110994 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000105478 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.285091 0.285091 0.570181 1.14036 2.28073 4.56145 9.1229 18.2458 36.4916 72.9832 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.11 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1052.3 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2309+6820_X_dfm.log closed on Mon Jan 14 06:35:37 2019