! Started logfile: /vlbi/uf001/uvm//J1817+0328_X_a_dfm.log on Sun Jan 13 22:13:23 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/uvm//J1817+0328_X_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1817+0328_X_a_uvm.fits ! AN table 1: 72 integrations on 21 of 21 possible baselines. ! AN table 2: 73 integrations on 28 of 28 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1817+0328 ! ! 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 42672 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 J1817+0328_X_a] 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 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 9. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 10. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 11. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 12. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.001993Jy sigma=23.049744 ! Fit after self-cal, rms=0.970480Jy sigma=22.358961 ! 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=0.8459 mas, bmaj=3.874 mas, bpa=-18.88 degrees ! Estimated noise=0.304433 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 = 0.0239721 Jy ! Component: 100 - total flux cleaned = 0.0289106 Jy ! Total flux subtracted in 100 components = 0.0289106 Jy ! Clean residual min=-0.002234 max=0.002704 Jy/beam ! Clean residual mean=-0.000000 rms=0.000505 Jy/beam ! Combined flux in latest and established models = 0.0289106 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.0289106 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=0.058540Jy sigma=1.205018 ! Fit after self-cal, rms=0.056996Jy sigma=1.166836 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00315983 Jy ! Component: 100 - total flux cleaned = 0.00275107 Jy ! Total flux subtracted in 100 components = 0.00275107 Jy ! Clean residual min=-0.002126 max=0.002491 Jy/beam ! Clean residual mean=-0.000000 rms=0.000512 Jy/beam ! Combined flux in latest and established models = 0.0316616 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 7 components and 0.0316616 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=0.056720Jy sigma=1.162782 ! Fit after self-cal, rms=0.056672Jy sigma=1.162406 ! 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=1.09 mas, bmaj=3.941 mas, bpa=-17.8 degrees ! Estimated noise=0.152349 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 (2.4, -2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00343494 Jy ! Component: 100 - total flux cleaned = 0.00537864 Jy ! Component: 150 - total flux cleaned = 0.00691421 Jy ! Component: 200 - total flux cleaned = 0.00799739 Jy ! Total flux subtracted in 200 components = 0.00799739 Jy ! Clean residual min=-0.001981 max=0.002640 Jy/beam ! Clean residual mean=-0.000001 rms=0.000399 Jy/beam ! Combined flux in latest and established models = 0.039659 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 43 components and 0.039659 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=0.056441Jy sigma=1.156288 ! Fit after self-cal, rms=0.056308Jy sigma=1.153702 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00244264 Jy ! Component: 100 - total flux cleaned = 0.00390734 Jy ! Component: 150 - total flux cleaned = 0.00486387 Jy ! Component: 200 - total flux cleaned = 0.00549614 Jy ! Total flux subtracted in 200 components = 0.00549614 Jy ! Clean residual min=-0.001889 max=0.002093 Jy/beam ! Clean residual mean=-0.000000 rms=0.000365 Jy/beam ! Combined flux in latest and established models = 0.0451552 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 60 components and 0.0451552 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=0.056178Jy sigma=1.150488 ! Fit after self-cal, rms=0.056088Jy sigma=1.148954 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.09 x 3.941 at -17.8 degrees (North through East) ! Clean map min=-0.0017242 max=0.03354 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.18 HN 1.04 KP 0.89 LA 1.00 ! NL 1.12 OV 1.15 PT 0.80 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.88 FD 1.08 HN 0.99 KP 1.12 ! LA 0.96 MK 1.11 NL 1.06 OV 1.08 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.04 HN 0.98 KP 0.95 LA 0.98 ! NL 1.12 OV 1.03 PT 0.88 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.86 FD 1.01 HN 1.02 KP 1.15 ! LA 1.02 MK 1.00 NL 1.07 OV 1.11 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 1.09 HN 0.99 KP 0.99 LA 0.92 ! NL 1.10 OV 1.09 PT 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.85 FD 1.10 HN 1.01 KP 1.08 ! LA 0.93 MK 1.01 NL 1.14 OV 1.16 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 1.05 HN 0.99 KP 0.86 LA 0.95 ! NL 1.16 OV 1.05 PT 0.92 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.82 FD 1.06 HN 1.06 KP 1.16 ! LA 0.96 MK 1.13 NL 1.09 OV 1.01 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 HN 0.99 KP 0.99 LA 0.93 ! NL 1.11 OV 1.10 PT 0.87 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.84 FD 1.08 HN 0.93 KP 1.17 ! LA 0.91 MK 1.12 NL 1.13 OV 1.02 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 HN 0.99 KP 1.04 LA 0.90 ! NL 1.22 OV 1.01 PT 0.86 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.68 FD 1.03 HN 0.94 KP 1.19 ! LA 1.03 MK 1.08 NL 1.09 OV 1.08 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 HN 0.89 KP 0.97 LA 0.92 ! NL 1.12 OV 1.04 PT 0.87 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.75 FD 1.05 HN 0.98 KP 1.30 ! LA 0.95 MK 1.04 NL 1.05 OV 1.03 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 HN 0.96 KP 1.02 LA 0.87 ! NL 1.12 OV 1.16 PT 0.86 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.69 FD 1.00 HN 0.88 KP 1.29 ! LA 0.98 MK 0.98 NL 1.12 OV 1.04 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! FD 0.94 HN 0.92 KP 0.96 LA 0.97 ! NL 1.15 OV 0.96 PT 0.92 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.71 FD 1.03 HN 0.85 KP 1.13 ! LA 0.98 MK 1.03 NL 1.13 OV 1.07 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 HN 0.85 KP 0.90 LA 0.97 ! NL 1.04 OV 1.11 PT 0.87 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.81 FD 1.09 HN 0.88 KP 1.17 ! LA 0.92 MK 1.00 NL 1.04 OV 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! FD 0.90 HN 0.83 KP 0.99 LA 0.91 ! NL 1.06 OV 1.05 PT 0.82 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.69 FD 0.96 HN 0.82 KP 1.14 ! LA 1.07 MK 0.94 NL 0.94 OV 0.99 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! FD 0.94 HN 0.91 KP 0.88 LA 0.95 ! NL 1.00 OV 0.99 PT 0.81 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.66 FD 0.95 HN 0.88 KP 1.11 ! LA 0.97 MK 0.86 NL 1.07 OV 0.86 ! ! ! Fit before self-cal, rms=0.056088Jy sigma=1.148954 ! Fit after self-cal, rms=0.051646Jy sigma=1.142255 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.096 mas, bmaj=3.773 mas, bpa=-17.56 degrees ! Estimated noise=0.149348 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 = 0.00148359 Jy ! Component: 100 - total flux cleaned = 0.0021602 Jy ! Component: 150 - total flux cleaned = 0.00219066 Jy ! Component: 200 - total flux cleaned = 0.00212571 Jy ! Total flux subtracted in 200 components = 0.00212571 Jy ! Clean residual min=-0.000761 max=0.001108 Jy/beam ! Clean residual mean=0.000000 rms=0.000214 Jy/beam ! Combined flux in latest and established models = 0.0472809 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 87 components and 0.0472809 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=0.051597Jy sigma=1.141147 ! Fit after self-cal, rms=0.051517Jy sigma=1.138700 ! Inverting map ! Added new window around map position (0.8, -22.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000731944 Jy ! Component: 100 - total flux cleaned = 0.000805551 Jy ! Component: 150 - total flux cleaned = 0.000777719 Jy ! Component: 200 - total flux cleaned = 0.000822455 Jy ! Total flux subtracted in 200 components = 0.000822455 Jy ! Clean residual min=-0.000797 max=0.000978 Jy/beam ! Clean residual mean=0.000000 rms=0.000209 Jy/beam ! Combined flux in latest and established models = 0.0481033 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 106 components and 0.0481033 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=0.051475Jy sigma=1.137806 ! Fit after self-cal, rms=0.051441Jy sigma=1.137423 ! 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=0.051441Jy sigma=1.137423 ! Fit after self-cal, rms=0.051331Jy sigma=1.135129 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.1 mas, bmaj=3.71 mas, bpa=-17.5 degrees ! Estimated noise=0.148914 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000913736 Jy ! Component: 100 - total flux cleaned = 0.00125722 Jy ! Component: 150 - total flux cleaned = 0.00137526 Jy ! Component: 200 - total flux cleaned = 0.00142678 Jy ! Total flux subtracted in 200 components = 0.00142678 Jy ! Clean residual min=-0.000697 max=0.000732 Jy/beam ! Clean residual mean=0.000000 rms=0.000176 Jy/beam ! Combined flux in latest and established models = 0.0495301 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 125 components and 0.0495301 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=0.051308Jy sigma=1.134654 ! Fit after self-cal, rms=0.051345Jy sigma=1.133760 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 = 0.000526451 Jy ! Component: 100 - total flux cleaned = 0.000595171 Jy ! Component: 150 - total flux cleaned = 0.000524396 Jy ! Component: 200 - total flux cleaned = 0.000507784 Jy ! Total flux subtracted in 200 components = 0.000507784 Jy ! Clean residual min=-0.000726 max=0.000765 Jy/beam ! Clean residual mean=0.000000 rms=0.000173 Jy/beam ! Combined flux in latest and established models = 0.0500379 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 139 components and 0.0500379 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=0.051329Jy sigma=1.133450 ! Fit after self-cal, rms=0.051319Jy sigma=1.133265 ! Inverting map ! Added new window around map position (-7, 11.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000634529 Jy ! Component: 100 - total flux cleaned = 0.000846362 Jy ! Component: 150 - total flux cleaned = 0.000975815 Jy ! Component: 200 - total flux cleaned = 0.00109062 Jy ! Total flux subtracted in 200 components = 0.00109062 Jy ! Clean residual min=-0.000657 max=0.000673 Jy/beam ! Clean residual mean=0.000000 rms=0.000163 Jy/beam ! Combined flux in latest and established models = 0.0511285 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 153 components and 0.0511285 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=0.051301Jy sigma=1.132914 ! Fit after self-cal, rms=0.051296Jy sigma=1.132816 ! Inverting map ! Added new window around map position (-39.4, -36.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000682682 Jy ! Component: 100 - total flux cleaned = 0.000977931 Jy ! Component: 150 - total flux cleaned = 0.00113109 Jy ! Component: 200 - total flux cleaned = 0.00122495 Jy ! Total flux subtracted in 200 components = 0.00122495 Jy ! Clean residual min=-0.000619 max=0.000611 Jy/beam ! Clean residual mean=0.000000 rms=0.000156 Jy/beam ! Combined flux in latest and established models = 0.0523534 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 164 components and 0.0523534 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=0.051280Jy sigma=1.132512 ! Fit after self-cal, rms=0.051276Jy sigma=1.132409 ! 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=0.051276Jy sigma=1.132409 ! Fit after self-cal, rms=0.051484Jy sigma=1.131956 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.101 mas, bmaj=3.691 mas, bpa=-17.44 degrees ! Estimated noise=0.148247 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000503768 Jy ! Component: 100 - total flux cleaned = 0.000864583 Jy ! Component: 150 - total flux cleaned = 0.00112686 Jy ! Component: 200 - total flux cleaned = 0.00128826 Jy ! Total flux subtracted in 200 components = 0.00128826 Jy ! Clean residual min=-0.000589 max=0.000632 Jy/beam ! Clean residual mean=0.000000 rms=0.000148 Jy/beam ! Combined flux in latest and established models = 0.0536417 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 179 components and 0.0536417 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=0.051471Jy sigma=1.131697 ! Fit after self-cal, rms=0.051513Jy sigma=1.131464 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 = 0.000368312 Jy ! Component: 100 - total flux cleaned = 0.000591838 Jy ! Component: 150 - total flux cleaned = 0.000721458 Jy ! Component: 200 - total flux cleaned = 0.000787553 Jy ! Total flux subtracted in 200 components = 0.000787553 Jy ! Clean residual min=-0.000570 max=0.000583 Jy/beam ! Clean residual mean=0.000000 rms=0.000146 Jy/beam ! Combined flux in latest and established models = 0.0544293 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 184 components and 0.0544293 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=0.051504Jy sigma=1.131289 ! Fit after self-cal, rms=0.051492Jy sigma=1.131091 ! 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=0.051492Jy sigma=1.131091 ! Fit after self-cal, rms=0.051593Jy sigma=1.130983 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.238 mas, bmaj=4.004 mas, bpa=-11.09 degrees ! Estimated noise=0.168409 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000505651 Jy ! Component: 100 - total flux cleaned = 0.000727723 Jy ! Component: 150 - total flux cleaned = 0.000844024 Jy ! Component: 200 - total flux cleaned = 0.000924274 Jy ! Total flux subtracted in 200 components = 0.000924274 Jy ! Clean residual min=-0.000568 max=0.000579 Jy/beam ! Clean residual mean=0.000000 rms=0.000153 Jy/beam ! Combined flux in latest and established models = 0.0553535 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 208 components and 0.0553535 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=0.051587Jy sigma=1.130854 ! Fit after self-cal, rms=0.051599Jy sigma=1.130649 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 = 0.000259518 Jy ! Component: 100 - total flux cleaned = 0.000333918 Jy ! Component: 150 - total flux cleaned = 0.000401353 Jy ! Component: 200 - total flux cleaned = 0.000432106 Jy ! Total flux subtracted in 200 components = 0.000432106 Jy ! Clean residual min=-0.000563 max=0.000543 Jy/beam ! Clean residual mean=0.000000 rms=0.000150 Jy/beam ! Combined flux in latest and established models = 0.0557856 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 227 components and 0.0557856 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=0.051595Jy sigma=1.130573 ! Fit after self-cal, rms=0.051593Jy sigma=1.130537 ! 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=1.102 mas, bmaj=3.681 mas, bpa=-17.41 degrees ! Estimated noise=0.14778 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.102 x 3.681 at -17.41 degrees (North through East) ! Clean map min=-0.00073608 max=0.032284 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=0.8585 mas, bmaj=3.595 mas, bpa=-18.6 degrees ! Estimated noise=0.29244 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0248111 Jy ! Component: 100 - total flux cleaned = 0.0325422 Jy ! Component: 150 - total flux cleaned = 0.0373782 Jy ! Component: 200 - total flux cleaned = 0.0405238 Jy ! Total flux subtracted in 200 components = 0.0405238 Jy ! Clean residual min=-0.002114 max=0.002165 Jy/beam ! Clean residual mean=-0.000000 rms=0.000438 Jy/beam ! Combined flux in latest and established models = 0.0405238 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.0405238 Jy ! Inverting map and beam ! Estimated beam: bmin=1.102 mas, bmaj=3.681 mas, bpa=-17.41 degrees ! Estimated noise=0.14778 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 = 0.00314225 Jy ! Component: 100 - total flux cleaned = 0.00541964 Jy ! Component: 150 - total flux cleaned = 0.00720608 Jy ! Component: 200 - total flux cleaned = 0.00803095 Jy ! Total flux subtracted in 200 components = 0.00803095 Jy ! Clean residual min=-0.001218 max=0.001166 Jy/beam ! Clean residual mean=-0.000000 rms=0.000273 Jy/beam ! Combined flux in latest and established models = 0.0485547 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 45 components and 0.0485547 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=2.238 mas, bmaj=4.004 mas, bpa=-11.09 degrees ! Estimated noise=0.168409 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00135907 Jy ! Component: 100 - total flux cleaned = 0.00240292 Jy ! Component: 150 - total flux cleaned = 0.00309335 Jy ! Component: 200 - total flux cleaned = 0.00356557 Jy ! Total flux subtracted in 200 components = 0.00356557 Jy ! Clean residual min=-0.000836 max=0.000838 Jy/beam ! Clean residual mean=0.000000 rms=0.000244 Jy/beam ! Combined flux in latest and established models = 0.0521203 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 = 0.000460567 Jy ! Component: 100 - total flux cleaned = 0.000847428 Jy ! Component: 150 - total flux cleaned = 0.00111965 Jy ! Component: 200 - total flux cleaned = 0.00134569 Jy ! Total flux subtracted in 200 components = 0.00134569 Jy ! Clean residual min=-0.000737 max=0.000716 Jy/beam ! Clean residual mean=0.000000 rms=0.000208 Jy/beam ! Combined flux in latest and established models = 0.053466 Jy ! Adding 80 model components to the UV plane model. ! The established model now contains 120 components and 0.053466 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.102 mas, bmaj=3.681 mas, bpa=-17.41 degrees ! Estimated noise=0.14778 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000652807 Jy ! Component: 100 - total flux cleaned = -0.000574975 Jy ! Component: 150 - total flux cleaned = -0.00044544 Jy ! Component: 200 - total flux cleaned = -0.000299648 Jy ! Total flux subtracted in 200 components = -0.000299648 Jy ! Clean residual min=-0.000765 max=0.000795 Jy/beam ! Clean residual mean=0.000000 rms=0.000181 Jy/beam ! Combined flux in latest and established models = 0.0531664 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 135 components and 0.0531664 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=0.051648Jy sigma=1.131901 ! Fit after self-cal, rms=0.051626Jy sigma=1.131349 wmodel J1817+0328_X_a_map.mod ! Writing 135 model components to file: J1817+0328_X_a_map.mod wobs J1817+0328_X_a_uvs.fits ! Writing UV FITS file: J1817+0328_X_a_uvs.fits wwins J1817+0328_X_a_map.win ! wwins: Wrote 5 windows to J1817+0328_X_a_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 = -0.00021679 Jy ! Component: 100 - total flux cleaned = -0.000411274 Jy ! Component: 150 - total flux cleaned = -0.00057571 Jy ! Component: 200 - total flux cleaned = -0.000702375 Jy ! Component: 250 - total flux cleaned = -0.000784183 Jy ! Component: 300 - total flux cleaned = -0.000843865 Jy ! Component: 350 - total flux cleaned = -0.000911876 Jy ! Component: 400 - total flux cleaned = -0.000968746 Jy ! Component: 450 - total flux cleaned = -0.00105257 Jy ! Component: 500 - total flux cleaned = -0.00110706 Jy ! Component: 550 - total flux cleaned = -0.00116077 Jy ! Component: 600 - total flux cleaned = -0.00122236 Jy ! Component: 650 - total flux cleaned = -0.00125697 Jy ! Component: 700 - total flux cleaned = -0.001308 Jy ! Component: 750 - total flux cleaned = -0.00137479 Jy ! Component: 800 - total flux cleaned = -0.00141582 Jy ! Component: 850 - total flux cleaned = -0.00148866 Jy ! Component: 900 - total flux cleaned = -0.0015204 Jy ! Component: 950 - total flux cleaned = -0.00156763 Jy ! Component: 1000 - total flux cleaned = -0.00162201 Jy ! Component: 1050 - total flux cleaned = -0.00169064 Jy ! Component: 1100 - total flux cleaned = -0.00173582 Jy ! Component: 1150 - total flux cleaned = -0.001788 Jy ! Component: 1200 - total flux cleaned = -0.00185425 Jy ! Component: 1250 - total flux cleaned = -0.00191968 Jy ! Component: 1300 - total flux cleaned = -0.00199161 Jy ! Component: 1350 - total flux cleaned = -0.00204849 Jy ! Component: 1400 - total flux cleaned = -0.00209751 Jy ! Component: 1450 - total flux cleaned = -0.00214622 Jy ! Component: 1500 - total flux cleaned = -0.00219443 Jy ! Component: 1550 - total flux cleaned = -0.00226927 Jy ! Component: 1600 - total flux cleaned = -0.00231632 Jy ! Component: 1650 - total flux cleaned = -0.00233633 Jy ! Component: 1700 - total flux cleaned = -0.00240226 Jy ! Component: 1750 - total flux cleaned = -0.00243487 Jy ! Component: 1800 - total flux cleaned = -0.00248651 Jy ! Component: 1850 - total flux cleaned = -0.00253126 Jy ! Component: 1900 - total flux cleaned = -0.00255658 Jy ! Component: 1950 - total flux cleaned = -0.00259413 Jy ! Component: 2000 - total flux cleaned = -0.00261274 Jy ! Component: 2050 - total flux cleaned = -0.00265571 Jy ! Component: 2100 - total flux cleaned = -0.00268616 Jy ! Component: 2150 - total flux cleaned = -0.00271632 Jy ! Component: 2200 - total flux cleaned = -0.00274623 Jy ! Component: 2250 - total flux cleaned = -0.00276997 Jy ! Component: 2300 - total flux cleaned = -0.002817 Jy ! Component: 2350 - total flux cleaned = -0.00284025 Jy ! Component: 2400 - total flux cleaned = -0.00286917 Jy ! Component: 2450 - total flux cleaned = -0.00290356 Jy ! Component: 2500 - total flux cleaned = -0.00292072 Jy ! Component: 2550 - total flux cleaned = -0.00294894 Jy ! Component: 2600 - total flux cleaned = -0.00299378 Jy ! Component: 2650 - total flux cleaned = -0.00303265 Jy ! Component: 2700 - total flux cleaned = -0.00307128 Jy ! Component: 2750 - total flux cleaned = -0.00309321 Jy ! Component: 2800 - total flux cleaned = -0.00315308 Jy ! Component: 2850 - total flux cleaned = -0.00318007 Jy ! Component: 2900 - total flux cleaned = -0.00324438 Jy ! Component: 2950 - total flux cleaned = -0.00328695 Jy ! Component: 3000 - total flux cleaned = -0.00332923 Jy ! Component: 3050 - total flux cleaned = -0.00334502 Jy ! Component: 3100 - total flux cleaned = -0.00337114 Jy ! Component: 3150 - total flux cleaned = -0.00342819 Jy ! Component: 3200 - total flux cleaned = -0.00348485 Jy ! Component: 3250 - total flux cleaned = -0.00351557 Jy ! Component: 3300 - total flux cleaned = -0.00355114 Jy ! Component: 3350 - total flux cleaned = -0.00358143 Jy ! Component: 3400 - total flux cleaned = -0.00360154 Jy ! Component: 3450 - total flux cleaned = -0.00364142 Jy ! Component: 3500 - total flux cleaned = -0.00366125 Jy ! Component: 3550 - total flux cleaned = -0.0036711 Jy ! Component: 3600 - total flux cleaned = -0.00370542 Jy ! Component: 3650 - total flux cleaned = -0.00373954 Jy ! Component: 3700 - total flux cleaned = -0.00376858 Jy ! Component: 3750 - total flux cleaned = -0.00380228 Jy ! Component: 3800 - total flux cleaned = -0.00381663 Jy ! Component: 3850 - total flux cleaned = -0.00384042 Jy ! Component: 3900 - total flux cleaned = -0.00384043 Jy ! Component: 3950 - total flux cleaned = -0.00387809 Jy ! Component: 4000 - total flux cleaned = -0.00391556 Jy ! Component: 4050 - total flux cleaned = -0.00392486 Jy ! Total flux subtracted in 4096 components = -0.00393876 Jy ! Clean residual min=-0.000264 max=0.000239 Jy/beam ! Clean residual mean=-0.000000 rms=0.000086 Jy/beam ! Combined flux in latest and established models = 0.0492276 Jy keep ! Adding 292 model components to the UV plane model. ! The established model now contains 427 components and 0.0492276 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1817+0328_X_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.102 x 3.681 at -17.41 degrees (North through East) ! Clean map min=-0.00081866 max=0.031599 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1817+0328_X_a_map.fits wmodel /vlbi/uf001/uvm//J1817+0328_X_a_map.mod ! Writing 427 model components to file: /vlbi/uf001/uvm//J1817+0328_X_a_map.mod wobs /vlbi/uf001/uvm//J1817+0328_X_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1817+0328_X_a_uvs.fits wwins /vlbi/uf001/uvm//J1817+0328_X_a_map.win ! wwins: Wrote 6 windows to /vlbi/uf001/uvm//J1817+0328_X_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0315994 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 8.55721e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.81241 0.81241 1.62482 3.24964 6.49928 12.9986 25.9971 51.9942 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.031 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 369.271 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1817+0328_X_a_dfm.log closed on Sun Jan 13 22:13:30 2019