! Started logfile: /vlbi/uf001/uva//J1838-3427_X_dfm.log on Mon Jan 14 04:44:47 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//J1838-3427_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1838-3427_X_uva.fits ! AN table 1: 48 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.727183 visibilities/baseline/integration-bin. ! Found source: J1838-3427 ! ! 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 8796 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 J1838-3427_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 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.010328Jy sigma=18.097369 ! Fit after self-cal, rms=0.891634Jy sigma=15.718313 ! 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=1.506 mas, bmaj=12.98 mas, bpa=2.418 degrees ! Estimated noise=0.71211 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 = 0.0903921 Jy ! Component: 100 - total flux cleaned = 0.118874 Jy ! Total flux subtracted in 100 components = 0.118874 Jy ! Clean residual min=-0.012473 max=0.013592 Jy/beam ! Clean residual mean=0.000043 rms=0.003399 Jy/beam ! Combined flux in latest and established models = 0.118874 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.118874 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=0.079106Jy sigma=1.237857 ! Fit after self-cal, rms=0.078713Jy sigma=1.235467 ! 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=1.811 mas, bmaj=12.97 mas, bpa=2.348 degrees ! Estimated noise=0.435627 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 = 0.0139336 Jy ! Component: 100 - total flux cleaned = 0.0204617 Jy ! Component: 150 - total flux cleaned = 0.0239829 Jy ! Component: 200 - total flux cleaned = 0.0261091 Jy ! Total flux subtracted in 200 components = 0.0261091 Jy ! Clean residual min=-0.006943 max=0.006371 Jy/beam ! Clean residual mean=0.000008 rms=0.001890 Jy/beam ! Combined flux in latest and established models = 0.144984 Jy ! Performing phase self-cal ! Adding 74 model components to the UV plane model. ! The established model now contains 82 components and 0.144984 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=0.077022Jy sigma=1.179600 ! Fit after self-cal, rms=0.076877Jy sigma=1.178937 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.811 x 12.97 at 2.348 degrees (North through East) ! Clean map min=-0.0066282 max=0.11688 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 HN 1.20 KP 0.97 LA 1.05 ! NL 1.19 OV 0.91 PT 0.93 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 HN 1.17 KP 0.97 LA 1.08 ! NL 1.15 OV 0.97 PT 0.91 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 HN 1.39 KP 0.99 LA 1.01 ! NL 1.17 OV 0.90 PT 0.92 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 0.94 HN 1.34 KP 0.98 LA 1.02 ! NL 1.31 OV 0.90 PT 0.95 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 HN 1.17 KP 1.03 LA 1.03 ! NL 1.28 OV 0.87 PT 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 HN 1.02 KP 0.97 LA 1.01 ! NL 1.22 OV 0.95 PT 0.95 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 HN 1.14 KP 1.01 LA 1.06 ! NL 1.20 OV 0.90 PT 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 HN 1.11 KP 0.98 LA 1.05 ! NL 1.12 OV 0.94 PT 0.90 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 HN 1.27 KP 0.97 LA 0.99 ! NL 1.24 OV 0.87 PT 0.90 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 HN 1.06 KP 0.95 LA 1.03 ! NL 1.12 OV 0.96 PT 0.90 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 HN 1.00 KP 0.97 LA 1.05 ! NL 1.15 OV 0.87 PT 0.89 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 HN 0.93 KP 1.01 LA 1.04 ! NL 1.21 OV 0.91 PT 0.90 ! ! ! Fit before self-cal, rms=0.076877Jy sigma=1.178937 ! Fit after self-cal, rms=0.083190Jy sigma=1.151727 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.856 mas, bmaj=13.1 mas, bpa=2.694 degrees ! Estimated noise=0.44167 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 = -0.00231462 Jy ! Component: 100 - total flux cleaned = -0.00232171 Jy ! Component: 150 - total flux cleaned = -0.00232846 Jy ! Component: 200 - total flux cleaned = -0.00239574 Jy ! Total flux subtracted in 200 components = -0.00239574 Jy ! Clean residual min=-0.003425 max=0.002816 Jy/beam ! Clean residual mean=0.000002 rms=0.000905 Jy/beam ! Combined flux in latest and established models = 0.142588 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 98 components and 0.142588 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=0.082920Jy sigma=1.148214 ! Fit after self-cal, rms=0.083299Jy sigma=1.147505 ! 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=0.083299Jy sigma=1.147505 ! Fit after self-cal, rms=0.085720Jy sigma=1.143290 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.872 mas, bmaj=13.05 mas, bpa=2.709 degrees ! Estimated noise=0.442127 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00122655 Jy ! Component: 100 - total flux cleaned = -0.0012809 Jy ! Component: 150 - total flux cleaned = -0.00132369 Jy ! Component: 200 - total flux cleaned = -0.0014515 Jy ! Total flux subtracted in 200 components = -0.0014515 Jy ! Clean residual min=-0.002598 max=0.002406 Jy/beam ! Clean residual mean=0.000003 rms=0.000723 Jy/beam ! Combined flux in latest and established models = 0.141136 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 118 components and 0.141136 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=0.085634Jy sigma=1.142250 ! Fit after self-cal, rms=0.085755Jy sigma=1.142166 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 = -0.000186749 Jy ! Component: 100 - total flux cleaned = -0.000214313 Jy ! Component: 150 - total flux cleaned = -0.000190024 Jy ! Component: 200 - total flux cleaned = -0.000190201 Jy ! Total flux subtracted in 200 components = -0.000190201 Jy ! Clean residual min=-0.002576 max=0.002314 Jy/beam ! Clean residual mean=0.000003 rms=0.000716 Jy/beam ! Combined flux in latest and established models = 0.140946 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 130 components and 0.140946 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=0.085735Jy sigma=1.141879 ! Fit after self-cal, rms=0.085751Jy sigma=1.141867 ! 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=0.085751Jy sigma=1.141867 ! Fit after self-cal, rms=0.087930Jy sigma=1.140354 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.888 mas, bmaj=13.01 mas, bpa=2.709 degrees ! Estimated noise=0.442483 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000805999 Jy ! Component: 100 - total flux cleaned = -0.00105973 Jy ! Component: 150 - total flux cleaned = -0.00123079 Jy ! Component: 200 - total flux cleaned = -0.00131597 Jy ! Total flux subtracted in 200 components = -0.00131597 Jy ! Clean residual min=-0.002561 max=0.002254 Jy/beam ! Clean residual mean=0.000003 rms=0.000644 Jy/beam ! Combined flux in latest and established models = 0.13963 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 154 components and 0.13963 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=0.087907Jy sigma=1.140038 ! Fit after self-cal, rms=0.087974Jy sigma=1.139995 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 = -0.000148631 Jy ! Component: 100 - total flux cleaned = -0.000185 Jy ! Component: 150 - total flux cleaned = -0.000201053 Jy ! Component: 200 - total flux cleaned = -0.000185444 Jy ! Total flux subtracted in 200 components = -0.000185444 Jy ! Clean residual min=-0.002585 max=0.002259 Jy/beam ! Clean residual mean=0.000003 rms=0.000641 Jy/beam ! Combined flux in latest and established models = 0.139445 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 162 components and 0.139445 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=0.087966Jy sigma=1.139868 ! Fit after self-cal, rms=0.087977Jy sigma=1.139862 ! 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=0.087977Jy sigma=1.139862 ! Fit after self-cal, rms=0.089691Jy sigma=1.139724 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.549 mas, bmaj=13.33 mas, bpa=3.55 degrees ! Estimated noise=0.434397 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00065986 Jy ! Component: 100 - total flux cleaned = -0.000822867 Jy ! Component: 150 - total flux cleaned = -0.000910783 Jy ! Component: 200 - total flux cleaned = -0.000936277 Jy ! Total flux subtracted in 200 components = -0.000936277 Jy ! Clean residual min=-0.002298 max=0.002164 Jy/beam ! Clean residual mean=0.000004 rms=0.000639 Jy/beam ! Combined flux in latest and established models = 0.138509 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 188 components and 0.138509 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=0.089686Jy sigma=1.139605 ! Fit after self-cal, rms=0.089710Jy sigma=1.139567 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 = -6.20288e-05 Jy ! Component: 100 - total flux cleaned = -6.59802e-05 Jy ! Component: 150 - total flux cleaned = -5.47555e-05 Jy ! Component: 200 - total flux cleaned = -5.4817e-05 Jy ! Total flux subtracted in 200 components = -5.4817e-05 Jy ! Clean residual min=-0.002292 max=0.002131 Jy/beam ! Clean residual mean=0.000004 rms=0.000633 Jy/beam ! Combined flux in latest and established models = 0.138454 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 200 components and 0.138454 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=0.089709Jy sigma=1.139506 ! Fit after self-cal, rms=0.089711Jy sigma=1.139480 ! 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=1.902 mas, bmaj=13.01 mas, bpa=2.744 degrees ! Estimated noise=0.44301 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.902 x 13.01 at 2.744 degrees (North through East) ! Clean map min=-0.0024112 max=0.11946 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=1.576 mas, bmaj=12.92 mas, bpa=2.71 degrees ! Estimated noise=0.732879 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0922998 Jy ! Component: 100 - total flux cleaned = 0.118218 Jy ! Component: 150 - total flux cleaned = 0.128817 Jy ! Component: 200 - total flux cleaned = 0.133745 Jy ! Total flux subtracted in 200 components = 0.133745 Jy ! Clean residual min=-0.003662 max=0.003573 Jy/beam ! Clean residual mean=0.000012 rms=0.000969 Jy/beam ! Combined flux in latest and established models = 0.133745 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 43 model components to the UV plane model. ! The established model now contains 43 components and 0.133745 Jy ! Inverting map and beam ! Estimated beam: bmin=1.902 mas, bmaj=13.01 mas, bpa=2.744 degrees ! Estimated noise=0.44301 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 = 0.00226964 Jy ! Component: 100 - total flux cleaned = 0.00301242 Jy ! Component: 150 - total flux cleaned = 0.00350662 Jy ! Component: 200 - total flux cleaned = 0.00370555 Jy ! Total flux subtracted in 200 components = 0.00370555 Jy ! Clean residual min=-0.002514 max=0.002320 Jy/beam ! Clean residual mean=0.000004 rms=0.000641 Jy/beam ! Combined flux in latest and established models = 0.13745 Jy ! Adding 67 model components to the UV plane model. ! The established model now contains 99 components and 0.13745 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=2.549 mas, bmaj=13.33 mas, bpa=3.55 degrees ! Estimated noise=0.434397 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000214783 Jy ! Component: 100 - total flux cleaned = 0.000301665 Jy ! Component: 150 - total flux cleaned = 0.000376329 Jy ! Component: 200 - total flux cleaned = 0.000393231 Jy ! Total flux subtracted in 200 components = 0.000393231 Jy ! Clean residual min=-0.002318 max=0.002484 Jy/beam ! Clean residual mean=0.000004 rms=0.000653 Jy/beam ! Combined flux in latest and established models = 0.137843 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 = 3.17881e-05 Jy ! Component: 100 - total flux cleaned = 1.62753e-05 Jy ! Component: 150 - total flux cleaned = 1.67286e-05 Jy ! Component: 200 - total flux cleaned = 1.67632e-05 Jy ! Total flux subtracted in 200 components = 1.67632e-05 Jy ! Clean residual min=-0.002277 max=0.002412 Jy/beam ! Clean residual mean=0.000004 rms=0.000643 Jy/beam ! Combined flux in latest and established models = 0.13786 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 117 components and 0.13786 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.902 mas, bmaj=13.01 mas, bpa=2.744 degrees ! Estimated noise=0.44301 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000340677 Jy ! Component: 100 - total flux cleaned = -0.000445763 Jy ! Component: 150 - total flux cleaned = -0.000430861 Jy ! Component: 200 - total flux cleaned = -0.0003742 Jy ! Total flux subtracted in 200 components = -0.0003742 Jy ! Clean residual min=-0.002413 max=0.002275 Jy/beam ! Clean residual mean=0.000004 rms=0.000612 Jy/beam ! Combined flux in latest and established models = 0.137486 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 128 components and 0.137486 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=0.089710Jy sigma=1.139429 ! Fit after self-cal, rms=0.089730Jy sigma=1.139404 wmodel J1838-3427_X_map.mod ! Writing 128 model components to file: J1838-3427_X_map.mod wobs J1838-3427_X_uvs.fits ! Writing UV FITS file: J1838-3427_X_uvs.fits wwins J1838-3427_X_map.win ! wwins: Wrote 1 windows to J1838-3427_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 = -6.09528e-05 Jy ! Component: 100 - total flux cleaned = -0.000270209 Jy ! Component: 150 - total flux cleaned = -0.000335768 Jy ! Component: 200 - total flux cleaned = -0.000422718 Jy ! Component: 250 - total flux cleaned = -0.000665092 Jy ! Component: 300 - total flux cleaned = -0.000843445 Jy ! Component: 350 - total flux cleaned = -0.00101373 Jy ! Component: 400 - total flux cleaned = -0.00105981 Jy ! Component: 450 - total flux cleaned = -0.0011046 Jy ! Component: 500 - total flux cleaned = -0.00119092 Jy ! Component: 550 - total flux cleaned = -0.00131629 Jy ! Component: 600 - total flux cleaned = -0.00143699 Jy ! Component: 650 - total flux cleaned = -0.00159358 Jy ! Component: 700 - total flux cleaned = -0.00159386 Jy ! Component: 750 - total flux cleaned = -0.00161257 Jy ! Component: 800 - total flux cleaned = -0.00159505 Jy ! Component: 850 - total flux cleaned = -0.00159521 Jy ! Component: 900 - total flux cleaned = -0.00150929 Jy ! Component: 950 - total flux cleaned = -0.00149253 Jy ! Component: 1000 - total flux cleaned = -0.00142618 Jy ! Component: 1050 - total flux cleaned = -0.00134519 Jy ! Component: 1100 - total flux cleaned = -0.00129791 Jy ! Component: 1150 - total flux cleaned = -0.00126699 Jy ! Component: 1200 - total flux cleaned = -0.00129772 Jy ! Component: 1250 - total flux cleaned = -0.00129758 Jy ! Component: 1300 - total flux cleaned = -0.00131246 Jy ! Component: 1350 - total flux cleaned = -0.00137096 Jy ! Component: 1400 - total flux cleaned = -0.00138556 Jy ! Component: 1450 - total flux cleaned = -0.00141404 Jy ! Component: 1500 - total flux cleaned = -0.00142814 Jy ! Component: 1550 - total flux cleaned = -0.00146974 Jy ! Component: 1600 - total flux cleaned = -0.00145619 Jy ! Component: 1650 - total flux cleaned = -0.00148344 Jy ! Component: 1700 - total flux cleaned = -0.00151036 Jy ! Component: 1750 - total flux cleaned = -0.00152353 Jy ! Component: 1800 - total flux cleaned = -0.00152361 Jy ! Component: 1850 - total flux cleaned = -0.00158781 Jy ! Component: 1900 - total flux cleaned = -0.00162575 Jy ! Component: 1950 - total flux cleaned = -0.00167595 Jy ! Component: 2000 - total flux cleaned = -0.00170058 Jy ! Component: 2050 - total flux cleaned = -0.00176196 Jy ! Component: 2100 - total flux cleaned = -0.00178615 Jy ! Component: 2150 - total flux cleaned = -0.00181021 Jy ! Component: 2200 - total flux cleaned = -0.00184589 Jy ! Component: 2250 - total flux cleaned = -0.00189279 Jy ! Component: 2300 - total flux cleaned = -0.00193915 Jy ! Component: 2350 - total flux cleaned = -0.00193908 Jy ! Component: 2400 - total flux cleaned = -0.00200717 Jy ! Component: 2450 - total flux cleaned = -0.00201836 Jy ! Component: 2500 - total flux cleaned = -0.00205193 Jy ! Component: 2550 - total flux cleaned = -0.00210711 Jy ! Component: 2600 - total flux cleaned = -0.00215088 Jy ! Component: 2650 - total flux cleaned = -0.002205 Jy ! Component: 2700 - total flux cleaned = -0.00222651 Jy ! Component: 2750 - total flux cleaned = -0.00232241 Jy ! Component: 2800 - total flux cleaned = -0.00237513 Jy ! Component: 2850 - total flux cleaned = -0.00245896 Jy ! Component: 2900 - total flux cleaned = -0.00250045 Jy ! Component: 2950 - total flux cleaned = -0.00254172 Jy ! Component: 3000 - total flux cleaned = -0.0025827 Jy ! Component: 3050 - total flux cleaned = -0.00267395 Jy ! Component: 3100 - total flux cleaned = -0.00270399 Jy ! Component: 3150 - total flux cleaned = -0.00274389 Jy ! Component: 3200 - total flux cleaned = -0.00277365 Jy ! Component: 3250 - total flux cleaned = -0.00281308 Jy ! Component: 3300 - total flux cleaned = -0.00284248 Jy ! Component: 3350 - total flux cleaned = -0.00287177 Jy ! Component: 3400 - total flux cleaned = -0.00292024 Jy ! Component: 3450 - total flux cleaned = -0.00294919 Jy ! Component: 3500 - total flux cleaned = -0.00297798 Jy ! Component: 3550 - total flux cleaned = -0.00301628 Jy ! Component: 3600 - total flux cleaned = -0.0030449 Jy ! Component: 3650 - total flux cleaned = -0.00309247 Jy ! Component: 3700 - total flux cleaned = -0.00311143 Jy ! Component: 3750 - total flux cleaned = -0.00313978 Jy ! Component: 3800 - total flux cleaned = -0.0031775 Jy ! Component: 3850 - total flux cleaned = -0.00318687 Jy ! Component: 3900 - total flux cleaned = -0.00323386 Jy ! Component: 3950 - total flux cleaned = -0.00329009 Jy ! Component: 4000 - total flux cleaned = -0.00333686 Jy ! Component: 4050 - total flux cleaned = -0.00335552 Jy ! Total flux subtracted in 4096 components = -0.00342093 Jy ! Clean residual min=-0.000517 max=0.000614 Jy/beam ! Clean residual mean=-0.000001 rms=0.000196 Jy/beam ! Combined flux in latest and established models = 0.134065 Jy keep ! Adding 472 model components to the UV plane model. ! The established model now contains 600 components and 0.134065 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1838-3427_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.902 x 13.01 at 2.744 degrees (North through East) ! Clean map min=-0.0012016 max=0.11965 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1838-3427_X_map.fits wmodel /vlbi/uf001/uva//J1838-3427_X_map.mod ! Writing 600 model components to file: /vlbi/uf001/uva//J1838-3427_X_map.mod wobs /vlbi/uf001/uva//J1838-3427_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1838-3427_X_uvs.fits wwins /vlbi/uf001/uva//J1838-3427_X_map.win ! wwins: Wrote 2 windows to /vlbi/uf001/uva//J1838-3427_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.119645 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000194187 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.486907 0.486907 0.973814 1.94763 3.89525 7.79051 15.581 31.162 62.3241 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.119 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 616.134 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1838-3427_X_dfm.log closed on Mon Jan 14 04:44:52 2019