! Started logfile: /vlbi/uf001/uvm//J1823+6857_X_a_dfm.log on Sun Jan 13 22:14:06 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//J1823+6857_X_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1823+6857_X_a_uvm.fits ! AN table 1: 6 integrations on 28 of 28 possible baselines. ! AN table 2: 5 integrations on 15 of 15 possible baselines. ! Apparent sampling: 0.901235 visibilities/baseline/integration-bin. ! Found source: J1823+6857 ! ! 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 2628 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 J1823+6857_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 10 telescope corrections were flagged in sub-array 1. ! A total of 9 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 9 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 9 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 9 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 9 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 9 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 9 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 9 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 9. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 9 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 10. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 9 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 11. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 9 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 12. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 9 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.019192Jy sigma=20.975751 ! Fit after self-cal, rms=0.775648Jy sigma=15.814727 ! 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=1.01 mas, bmaj=2.915 mas, bpa=48.54 degrees ! Estimated noise=1.03377 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 = 0.174815 Jy ! Component: 100 - total flux cleaned = 0.216146 Jy ! Total flux subtracted in 100 components = 0.216146 Jy ! Clean residual min=-0.018863 max=0.020920 Jy/beam ! Clean residual mean=0.000078 rms=0.004950 Jy/beam ! Combined flux in latest and established models = 0.216146 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 0.216146 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=0.079608Jy sigma=1.661220 ! Fit after self-cal, rms=0.079582Jy sigma=1.660819 ! 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=1.282 mas, bmaj=3.068 mas, bpa=47.87 degrees ! Estimated noise=0.765604 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 = 0.0270965 Jy ! Component: 100 - total flux cleaned = 0.0431222 Jy ! Component: 150 - total flux cleaned = 0.0500511 Jy ! Component: 200 - total flux cleaned = 0.0523902 Jy ! Total flux subtracted in 200 components = 0.0523902 Jy ! Clean residual min=-0.013117 max=0.013734 Jy/beam ! Clean residual mean=0.000222 rms=0.003876 Jy/beam ! Combined flux in latest and established models = 0.268536 Jy ! Performing phase self-cal ! Adding 47 model components to the UV plane model. ! The established model now contains 55 components and 0.268536 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=0.070897Jy sigma=1.411247 ! Fit after self-cal, rms=0.070871Jy sigma=1.410111 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.282 x 3.068 at 47.87 degrees (North through East) ! Clean map min=-0.012544 max=0.23014 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.19 FD 1.06 KP 1.02 LA 0.81 ! MK 1.12 NL 1.06 OV 0.99 PT 0.94 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 1.07 KP 1.09 LA 1.09 NL 1.06 ! OV 0.98 PT 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 1.00 KP 1.08 LA 0.81 ! MK 1.01 NL 1.02 OV 1.02 PT 0.85 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 1.14 KP 1.13 LA 1.02 NL 1.01 ! OV 0.97 PT 1.01 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.02 KP 0.98 LA 0.79 ! MK 1.03 NL 1.05 OV 0.97 PT 0.93 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 1.09 KP 0.99 LA 1.15 NL 1.02 ! OV 0.94 PT 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 1.05 KP 1.11 LA 0.81 ! MK 0.98 NL 1.07 OV 0.94 PT 0.89 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 1.16 KP 1.10 LA 1.02 NL 0.99 ! OV 0.86 PT 1.06 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.98 KP 1.05 LA 0.81 ! MK 1.08 NL 1.07 OV 1.00 PT 0.89 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 1.11 KP 1.10 LA 1.03 NL 1.09 ! OV 0.89 PT 1.07 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.20 FD 0.98 KP 1.07 LA 0.83 ! MK 1.09 NL 1.06 OV 1.01 PT 0.88 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 1.14 KP 0.90 LA 1.13 NL 1.01 ! OV 0.95 PT 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.02 KP 1.08 LA 0.79 ! MK 1.04 NL 1.03 OV 0.92 PT 0.91 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 1.05 KP 1.04 LA 1.13 NL 1.03 ! OV 0.84 PT 1.09 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.07 KP 1.07 LA 0.78 ! MK 1.02 NL 1.06 OV 0.91 PT 0.90 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 1.22 KP 1.13 LA 1.09 NL 1.06 ! OV 0.92 PT 0.98 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00 KP 1.02 LA 0.80 ! MK 1.07 NL 1.12 OV 0.99 PT 0.91 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 1.21 KP 1.19 LA 1.09 NL 1.16 ! OV 0.97 PT 1.00 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.02 KP 1.04 LA 0.84 ! MK 0.98 NL 1.03 OV 1.00 PT 0.89 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 1.13 KP 1.11 LA 1.18 NL 1.13 ! OV 0.85 PT 1.06 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.08 KP 1.02 LA 0.79 ! MK 1.03 NL 1.03 OV 0.97 PT 1.04 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 1.12 KP 1.17 LA 1.05 NL 1.13 ! OV 0.94 PT 1.01 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.31 FD 1.03 KP 1.13 LA 0.84 ! MK 1.02 NL 1.03 OV 1.00 PT 0.87 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 1.19 KP 1.04 LA 1.27 NL 1.01 ! OV 0.95 PT 0.85 ! ! ! Fit before self-cal, rms=0.070871Jy sigma=1.410111 ! Fit after self-cal, rms=0.063567Jy sigma=1.193532 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.288 mas, bmaj=3.13 mas, bpa=48.01 degrees ! Estimated noise=0.760309 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 = -0.00406081 Jy ! Component: 100 - total flux cleaned = -0.00428815 Jy ! Component: 150 - total flux cleaned = -0.00406129 Jy ! Component: 200 - total flux cleaned = -0.00387655 Jy ! Total flux subtracted in 200 components = -0.00387655 Jy ! Clean residual min=-0.005356 max=0.004897 Jy/beam ! Clean residual mean=0.000033 rms=0.001174 Jy/beam ! Combined flux in latest and established models = 0.264659 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 65 components and 0.264659 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=0.063070Jy sigma=1.187557 ! Fit after self-cal, rms=0.063294Jy sigma=1.186346 ! 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=0.063294Jy sigma=1.186346 ! Fit after self-cal, rms=0.063461Jy sigma=1.183931 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.284 mas, bmaj=3.152 mas, bpa=48.08 degrees ! Estimated noise=0.759279 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00297338 Jy ! Component: 100 - total flux cleaned = -0.00306761 Jy ! Component: 150 - total flux cleaned = -0.00301518 Jy ! Component: 200 - total flux cleaned = -0.0029264 Jy ! Total flux subtracted in 200 components = -0.0029264 Jy ! Clean residual min=-0.004689 max=0.004576 Jy/beam ! Clean residual mean=0.000032 rms=0.001081 Jy/beam ! Combined flux in latest and established models = 0.261733 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 70 components and 0.261733 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=0.063255Jy sigma=1.181343 ! Fit after self-cal, rms=0.063259Jy sigma=1.181297 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 = 4.79289e-05 Jy ! Component: 100 - total flux cleaned = 8.04551e-05 Jy ! Component: 150 - total flux cleaned = 0.000140421 Jy ! Component: 200 - total flux cleaned = 0.000194771 Jy ! Total flux subtracted in 200 components = 0.000194771 Jy ! Clean residual min=-0.004597 max=0.004522 Jy/beam ! Clean residual mean=0.000032 rms=0.001072 Jy/beam ! Combined flux in latest and established models = 0.261928 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 75 components and 0.261928 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=0.063219Jy sigma=1.180767 ! Fit after self-cal, rms=0.063218Jy sigma=1.180744 ! 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=0.063218Jy sigma=1.180744 ! Fit after self-cal, rms=0.063498Jy sigma=1.179138 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.28 mas, bmaj=3.173 mas, bpa=48.13 degrees ! Estimated noise=0.759217 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00205253 Jy ! Component: 100 - total flux cleaned = -0.00228088 Jy ! Component: 150 - total flux cleaned = -0.00224278 Jy ! Component: 200 - total flux cleaned = -0.00227666 Jy ! Total flux subtracted in 200 components = -0.00227666 Jy ! Clean residual min=-0.004191 max=0.004283 Jy/beam ! Clean residual mean=0.000030 rms=0.001009 Jy/beam ! Combined flux in latest and established models = 0.259651 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 78 components and 0.259651 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=0.063397Jy sigma=1.177781 ! Fit after self-cal, rms=0.063402Jy sigma=1.177765 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 (40.6, 42.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0023161 Jy ! Component: 100 - total flux cleaned = 0.00281961 Jy ! Component: 150 - total flux cleaned = 0.00321949 Jy ! Component: 200 - total flux cleaned = 0.00348381 Jy ! Total flux subtracted in 200 components = 0.00348381 Jy ! Clean residual min=-0.003819 max=0.003710 Jy/beam ! Clean residual mean=0.000019 rms=0.000910 Jy/beam ! Combined flux in latest and established models = 0.263135 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 98 components and 0.263135 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=0.063013Jy sigma=1.171760 ! Fit after self-cal, rms=0.063001Jy sigma=1.171496 ! 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=0.063001Jy sigma=1.171496 ! Fit after self-cal, rms=0.063040Jy sigma=1.170394 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.697 mas, bmaj=3.371 mas, bpa=38.35 degrees ! Estimated noise=0.848996 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00164636 Jy ! Component: 100 - total flux cleaned = 0.00175873 Jy ! Component: 150 - total flux cleaned = 0.00171483 Jy ! Component: 200 - total flux cleaned = 0.00171349 Jy ! Total flux subtracted in 200 components = 0.00171349 Jy ! Clean residual min=-0.003330 max=0.003305 Jy/beam ! Clean residual mean=0.000007 rms=0.000903 Jy/beam ! Combined flux in latest and established models = 0.264848 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 106 components and 0.264848 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=0.062960Jy sigma=1.169608 ! Fit after self-cal, rms=0.062969Jy sigma=1.169528 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 = 3.80369e-05 Jy ! Component: 100 - total flux cleaned = 0.000100525 Jy ! Component: 150 - total flux cleaned = 0.00012973 Jy ! Component: 200 - total flux cleaned = 0.000183304 Jy ! Total flux subtracted in 200 components = 0.000183304 Jy ! Clean residual min=-0.003204 max=0.003322 Jy/beam ! Clean residual mean=0.000010 rms=0.000896 Jy/beam ! Combined flux in latest and established models = 0.265032 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 115 components and 0.265032 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=0.062936Jy sigma=1.169159 ! Fit after self-cal, rms=0.062938Jy sigma=1.169143 ! 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=1.282 mas, bmaj=3.184 mas, bpa=48.18 degrees ! Estimated noise=0.757807 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.282 x 3.184 at 48.18 degrees (North through East) ! Clean map min=-0.0031801 max=0.22607 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=1.012 mas, bmaj=3.032 mas, bpa=48.82 degrees ! Estimated noise=1.03939 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.175638 Jy ! Component: 100 - total flux cleaned = 0.214901 Jy ! Component: 150 - total flux cleaned = 0.230859 Jy ! Component: 200 - total flux cleaned = 0.240545 Jy ! Total flux subtracted in 200 components = 0.240545 Jy ! Clean residual min=-0.006605 max=0.006288 Jy/beam ! Clean residual mean=0.000027 rms=0.001826 Jy/beam ! Combined flux in latest and established models = 0.240545 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 25 model components to the UV plane model. ! The established model now contains 25 components and 0.240545 Jy ! Inverting map and beam ! Estimated beam: bmin=1.282 mas, bmaj=3.184 mas, bpa=48.18 degrees ! Estimated noise=0.757807 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 = 0.006987 Jy ! Component: 100 - total flux cleaned = 0.0116224 Jy ! Component: 150 - total flux cleaned = 0.0144728 Jy ! Component: 200 - total flux cleaned = 0.0158822 Jy ! Total flux subtracted in 200 components = 0.0158822 Jy ! Clean residual min=-0.004128 max=0.003902 Jy/beam ! Clean residual mean=0.000034 rms=0.001006 Jy/beam ! Combined flux in latest and established models = 0.256427 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 49 components and 0.256427 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=2.697 mas, bmaj=3.371 mas, bpa=38.35 degrees ! Estimated noise=0.848996 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00327277 Jy ! Component: 100 - total flux cleaned = 0.00487811 Jy ! Component: 150 - total flux cleaned = 0.00597277 Jy ! Component: 200 - total flux cleaned = 0.00651193 Jy ! Total flux subtracted in 200 components = 0.00651193 Jy ! Clean residual min=-0.003670 max=0.003462 Jy/beam ! Clean residual mean=0.000019 rms=0.000954 Jy/beam ! Combined flux in latest and established models = 0.262939 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 = 0.000480889 Jy ! Component: 100 - total flux cleaned = 0.000910121 Jy ! Component: 150 - total flux cleaned = 0.00134011 Jy ! Component: 200 - total flux cleaned = 0.00172293 Jy ! Total flux subtracted in 200 components = 0.00172293 Jy ! Clean residual min=-0.003492 max=0.003183 Jy/beam ! Clean residual mean=0.000008 rms=0.000911 Jy/beam ! Combined flux in latest and established models = 0.264662 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 71 components and 0.264662 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.282 mas, bmaj=3.184 mas, bpa=48.18 degrees ! Estimated noise=0.757807 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000100631 Jy ! Component: 100 - total flux cleaned = 0.000133421 Jy ! Component: 150 - total flux cleaned = 0.000391984 Jy ! Component: 200 - total flux cleaned = 0.000534906 Jy ! Total flux subtracted in 200 components = 0.000534906 Jy ! Clean residual min=-0.003523 max=0.003754 Jy/beam ! Clean residual mean=0.000006 rms=0.000834 Jy/beam ! Combined flux in latest and established models = 0.265197 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 100 components and 0.265197 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=0.062904Jy sigma=1.168825 ! Fit after self-cal, rms=0.062888Jy sigma=1.168671 wmodel J1823+6857_X_a_map.mod ! Writing 100 model components to file: J1823+6857_X_a_map.mod wobs J1823+6857_X_a_uvs.fits ! Writing UV FITS file: J1823+6857_X_a_uvs.fits wwins J1823+6857_X_a_map.win ! wwins: Wrote 2 windows to J1823+6857_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 = 0.000289495 Jy ! Component: 100 - total flux cleaned = 0.000690017 Jy ! Component: 150 - total flux cleaned = 0.000900081 Jy ! Component: 200 - total flux cleaned = 0.000899829 Jy ! Component: 250 - total flux cleaned = 0.000851859 Jy ! Component: 300 - total flux cleaned = 0.000850397 Jy ! Component: 350 - total flux cleaned = 0.000720707 Jy ! Component: 400 - total flux cleaned = 0.000596998 Jy ! Component: 450 - total flux cleaned = 0.000596686 Jy ! Component: 500 - total flux cleaned = 0.000634883 Jy ! Component: 550 - total flux cleaned = 0.00067236 Jy ! Component: 600 - total flux cleaned = 0.000598895 Jy ! Component: 650 - total flux cleaned = 0.000598999 Jy ! Component: 700 - total flux cleaned = 0.000423492 Jy ! Component: 750 - total flux cleaned = 0.000389664 Jy ! Component: 800 - total flux cleaned = 0.000456268 Jy ! Component: 850 - total flux cleaned = 0.00029107 Jy ! Component: 900 - total flux cleaned = 0.00025854 Jy ! Component: 950 - total flux cleaned = 0.000195192 Jy ! Component: 1000 - total flux cleaned = 0.00010236 Jy ! Component: 1050 - total flux cleaned = 0.000163079 Jy ! Component: 1100 - total flux cleaned = 7.30448e-05 Jy ! Component: 1150 - total flux cleaned = 7.32533e-05 Jy ! Component: 1200 - total flux cleaned = 7.31073e-05 Jy ! Component: 1250 - total flux cleaned = 4.47463e-05 Jy ! Component: 1300 - total flux cleaned = -1.10087e-05 Jy ! Component: 1350 - total flux cleaned = 1.60076e-05 Jy ! Component: 1400 - total flux cleaned = -6.58201e-05 Jy ! Component: 1450 - total flux cleaned = -0.000172083 Jy ! Component: 1500 - total flux cleaned = -0.000171834 Jy ! Component: 1550 - total flux cleaned = -0.000171682 Jy ! Component: 1600 - total flux cleaned = -0.00014608 Jy ! Component: 1650 - total flux cleaned = -0.000145795 Jy ! Component: 1700 - total flux cleaned = -9.62323e-05 Jy ! Component: 1750 - total flux cleaned = -2.36784e-05 Jy ! Component: 1800 - total flux cleaned = -7.24397e-05 Jy ! Component: 1850 - total flux cleaned = -4.8821e-05 Jy ! Component: 1900 - total flux cleaned = -4.82501e-05 Jy ! Component: 1950 - total flux cleaned = 9.03296e-05 Jy ! Component: 2000 - total flux cleaned = 0.000135856 Jy ! Component: 2050 - total flux cleaned = 0.000181133 Jy ! Component: 2100 - total flux cleaned = 0.000181265 Jy ! Component: 2150 - total flux cleaned = 0.000225633 Jy ! Component: 2200 - total flux cleaned = 0.000290437 Jy ! Component: 2250 - total flux cleaned = 0.000290519 Jy ! Component: 2300 - total flux cleaned = 0.000354098 Jy ! Component: 2350 - total flux cleaned = 0.000396117 Jy ! Component: 2400 - total flux cleaned = 0.000417137 Jy ! Component: 2450 - total flux cleaned = 0.000499086 Jy ! Component: 2500 - total flux cleaned = 0.000499158 Jy ! Component: 2550 - total flux cleaned = 0.000519328 Jy ! Component: 2600 - total flux cleaned = 0.000598994 Jy ! Component: 2650 - total flux cleaned = 0.000579241 Jy ! Component: 2700 - total flux cleaned = 0.000579174 Jy ! Component: 2750 - total flux cleaned = 0.000656525 Jy ! Component: 2800 - total flux cleaned = 0.00059878 Jy ! Component: 2850 - total flux cleaned = 0.000636991 Jy ! Component: 2900 - total flux cleaned = 0.000637106 Jy ! Component: 2950 - total flux cleaned = 0.000581102 Jy ! Component: 3000 - total flux cleaned = 0.000692326 Jy ! Component: 3050 - total flux cleaned = 0.000692194 Jy ! Component: 3100 - total flux cleaned = 0.000710408 Jy ! Component: 3150 - total flux cleaned = 0.000746711 Jy ! Component: 3200 - total flux cleaned = 0.000782543 Jy ! Component: 3250 - total flux cleaned = 0.000764511 Jy ! Component: 3300 - total flux cleaned = 0.000764513 Jy ! Component: 3350 - total flux cleaned = 0.00078217 Jy ! Component: 3400 - total flux cleaned = 0.000817275 Jy ! Component: 3450 - total flux cleaned = 0.000834573 Jy ! Component: 3500 - total flux cleaned = 0.000903327 Jy ! Component: 3550 - total flux cleaned = 0.000886191 Jy ! Component: 3600 - total flux cleaned = 0.000920298 Jy ! Component: 3650 - total flux cleaned = 0.000954193 Jy ! Component: 3700 - total flux cleaned = 0.000971021 Jy ! Component: 3750 - total flux cleaned = 0.0010878 Jy ! Component: 3800 - total flux cleaned = 0.00107124 Jy ! Component: 3850 - total flux cleaned = 0.00115377 Jy ! Component: 3900 - total flux cleaned = 0.00118655 Jy ! Component: 3950 - total flux cleaned = 0.00121906 Jy ! Component: 4000 - total flux cleaned = 0.00125149 Jy ! Component: 4050 - total flux cleaned = 0.00125138 Jy ! Total flux subtracted in 4096 components = 0.00128362 Jy ! Clean residual min=-0.001037 max=0.000934 Jy/beam ! Clean residual mean=0.000001 rms=0.000271 Jy/beam ! Combined flux in latest and established models = 0.26648 Jy keep ! Adding 227 model components to the UV plane model. ! The established model now contains 327 components and 0.26648 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1823+6857_X_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.282 x 3.184 at 48.18 degrees (North through East) ! Clean map min=-0.0023695 max=0.22768 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1823+6857_X_a_map.fits wmodel /vlbi/uf001/uvm//J1823+6857_X_a_map.mod ! Writing 327 model components to file: /vlbi/uf001/uvm//J1823+6857_X_a_map.mod wobs /vlbi/uf001/uvm//J1823+6857_X_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1823+6857_X_a_uvs.fits wwins /vlbi/uf001/uvm//J1823+6857_X_a_map.win ! wwins: Wrote 3 windows to /vlbi/uf001/uvm//J1823+6857_X_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.227675 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000261756 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.344907 0.344907 0.689813 1.37963 2.75925 5.5185 11.037 22.074 44.148 88.2961 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.227 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 869.8 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1823+6857_X_a_dfm.log closed on Sun Jan 13 22:14:11 2019