! Started logfile: /image_prod/ug002_uva//J1838-1853_X_b_dfm.log on Thu Mar 5 03:52:34 2020 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /image_prod/ug002_uva//J1838-1853_X_b_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1838-1853_X_b_uva.fits ! AN table 1: 75 integrations on 36 of 36 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1838-1853 ! ! 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 32400 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 J1838-1853_X_b] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=1.001350Jy sigma=9.368173 ! Fit after self-cal, rms=0.973887Jy sigma=9.109236 ! 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=0.6305 mas, bmaj=1.632 mas, bpa=-0.2306 degrees ! Estimated noise=0.905792 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 = 0.023348 Jy ! Component: 100 - total flux cleaned = 0.0284394 Jy ! Total flux subtracted in 100 components = 0.0284394 Jy ! Clean residual min=-0.006261 max=0.003294 Jy/beam ! Clean residual mean=0.000000 rms=0.000829 Jy/beam ! Combined flux in latest and established models = 0.0284394 Jy ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 0.0284394 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=0.055517Jy sigma=0.502242 ! Fit after self-cal, rms=0.053848Jy sigma=0.486441 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8255 mas, bmaj=2.008 mas, bpa=0.2797 degrees ! Estimated noise=0.424765 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 = 0.00192882 Jy ! Component: 100 - total flux cleaned = 0.00193309 Jy ! Component: 150 - total flux cleaned = 0.00193264 Jy ! Component: 200 - total flux cleaned = 0.00188939 Jy ! Total flux subtracted in 200 components = 0.00188939 Jy ! Clean residual min=-0.005748 max=0.002330 Jy/beam ! Clean residual mean=-0.000001 rms=0.000722 Jy/beam ! Combined flux in latest and established models = 0.0303288 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.0303288 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=0.053774Jy sigma=0.485698 ! Fit after self-cal, rms=0.053746Jy sigma=0.485618 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8255 x 2.008 at 0.2797 degrees (North through East) ! Clean map min=-0.0053351 max=0.031114 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.16 KP 1.26 LA 1.15 ! MK 1.15 NL 0.58 OV 1.15 PT 1.10 ! SC 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.18 KP 1.32 LA 1.22 ! MK 1.07 NL 0.56 OV 1.10 PT 1.12 ! SC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.18 KP 1.22 LA 1.20 ! MK 1.26 NL 0.59 OV 1.09 PT 1.20 ! SC 0.89 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.21 KP 1.14 LA 1.18 ! MK 1.15 NL 0.56 OV 1.18 PT 1.17 ! SC 0.95 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.22 KP 1.22 LA 1.13 ! MK 1.16 NL 0.54 OV 1.06 PT 1.15 ! SC 0.94 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.19 KP 1.19 LA 1.11 ! MK 1.19 NL 0.58 OV 1.14 PT 1.12 ! SC 0.96 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.30 KP 1.09 LA 1.15 ! MK 1.10 NL 0.52 OV 1.12 PT 1.21 ! SC 0.91 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.18 KP 1.12 LA 1.25 ! MK 1.13 NL 0.56 OV 1.11 PT 1.13 ! SC 0.82 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.08 KP 1.19 LA 1.16 ! MK 1.12 NL 0.52 OV 1.16 PT 1.21 ! SC 0.95 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.22 KP 1.06 LA 1.17 ! MK 0.95 NL 0.52 OV 1.17 PT 1.10 ! SC 0.90 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.02 KP 1.12 LA 1.13 ! MK 1.07 NL 0.53 OV 1.13 PT 1.13 ! SC 0.84 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.11 KP 1.16 LA 1.05 ! MK 0.96 NL 0.52 OV 1.12 PT 1.05 ! SC 0.89 ! ! ! Fit before self-cal, rms=0.053746Jy sigma=0.485618 ! Fit after self-cal, rms=0.052195Jy sigma=0.473704 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8164 mas, bmaj=1.964 mas, bpa=0.8658 degrees ! Estimated noise=0.418604 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 = 0.000124567 Jy ! Component: 100 - total flux cleaned = 0.000138933 Jy ! Component: 150 - total flux cleaned = 0.000157747 Jy ! Component: 200 - total flux cleaned = 0.000168768 Jy ! Total flux subtracted in 200 components = 0.000168768 Jy ! Clean residual min=-0.000916 max=0.000925 Jy/beam ! Clean residual mean=0.000000 rms=0.000231 Jy/beam ! Combined flux in latest and established models = 0.0304975 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 18 components and 0.0304975 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=0.052192Jy sigma=0.473703 ! Fit after self-cal, rms=0.053928Jy sigma=0.465817 ! 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=0.053928Jy sigma=0.465817 ! Fit after self-cal, rms=0.064751Jy sigma=0.460863 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8244 mas, bmaj=1.958 mas, bpa=0.3505 degrees ! Estimated noise=0.435388 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000336747 Jy ! Component: 100 - total flux cleaned = 0.000373784 Jy ! Component: 150 - total flux cleaned = 0.000381297 Jy ! Component: 200 - total flux cleaned = 0.000387605 Jy ! Total flux subtracted in 200 components = 0.000387605 Jy ! Clean residual min=-0.000966 max=0.000959 Jy/beam ! Clean residual mean=0.000000 rms=0.000213 Jy/beam ! Combined flux in latest and established models = 0.0308851 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 22 components and 0.0308851 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=0.064746Jy sigma=0.460860 ! Fit after self-cal, rms=0.066782Jy sigma=0.457196 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 = -0.00151849 Jy ! Component: 100 - total flux cleaned = -0.00152014 Jy ! Component: 150 - total flux cleaned = -0.00152003 Jy ! Component: 200 - total flux cleaned = -0.00150647 Jy ! Total flux subtracted in 200 components = -0.00150647 Jy ! Clean residual min=-0.002898 max=0.001241 Jy/beam ! Clean residual mean=-0.000000 rms=0.000377 Jy/beam ! Combined flux in latest and established models = 0.0293787 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 24 components and 0.0293787 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=0.066680Jy sigma=0.457784 ! Fit after self-cal, rms=0.066717Jy sigma=0.457766 ! 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=0.066717Jy sigma=0.457766 ! Fit after self-cal, rms=0.079719Jy sigma=0.454915 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8307 mas, bmaj=1.951 mas, bpa=-0.1678 degrees ! Estimated noise=0.437848 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000154339 Jy ! Component: 100 - total flux cleaned = 0.000162982 Jy ! Component: 150 - total flux cleaned = 0.00016323 Jy ! Component: 200 - total flux cleaned = 0.000163087 Jy ! Total flux subtracted in 200 components = 0.000163087 Jy ! Clean residual min=-0.000819 max=0.000805 Jy/beam ! Clean residual mean=0.000001 rms=0.000194 Jy/beam ! Combined flux in latest and established models = 0.0295418 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 28 components and 0.0295417 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=0.079715Jy sigma=0.454913 ! Fit after self-cal, rms=0.081180Jy sigma=0.453466 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 = -0.00139253 Jy ! Component: 100 - total flux cleaned = -0.00149786 Jy ! Component: 150 - total flux cleaned = -0.00146221 Jy ! Component: 200 - total flux cleaned = -0.00145343 Jy ! Total flux subtracted in 200 components = -0.00145343 Jy ! Clean residual min=-0.002145 max=0.001024 Jy/beam ! Clean residual mean=0.000000 rms=0.000301 Jy/beam ! Combined flux in latest and established models = 0.0280883 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 28 components and 0.0280883 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=0.081107Jy sigma=0.453972 ! Fit after self-cal, rms=0.081135Jy sigma=0.453950 ! 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=0.081135Jy sigma=0.453950 ! Fit after self-cal, rms=0.097113Jy sigma=0.452483 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.893 mas, bmaj=4.449 mas, bpa=-1.642 degrees ! Estimated noise=0.624048 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.38674e-05 Jy ! Component: 100 - total flux cleaned = 7.44726e-05 Jy ! Component: 150 - total flux cleaned = 7.94423e-05 Jy ! Component: 200 - total flux cleaned = 7.88687e-05 Jy ! Total flux subtracted in 200 components = 7.88687e-05 Jy ! Clean residual min=-0.001046 max=0.000979 Jy/beam ! Clean residual mean=0.000001 rms=0.000279 Jy/beam ! Combined flux in latest and established models = 0.0281672 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 30 components and 0.0281672 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=0.097111Jy sigma=0.452491 ! Fit after self-cal, rms=0.098067Jy sigma=0.451844 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 = -0.00133597 Jy ! Component: 100 - total flux cleaned = -0.00173771 Jy ! Component: 150 - total flux cleaned = -0.00179668 Jy ! Component: 200 - total flux cleaned = -0.00184827 Jy ! Total flux subtracted in 200 components = -0.00184827 Jy ! Clean residual min=-0.001576 max=0.001343 Jy/beam ! Clean residual mean=0.000001 rms=0.000360 Jy/beam ! Combined flux in latest and established models = 0.0263189 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 37 components and 0.0263189 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=0.098050Jy sigma=0.452207 ! Fit after self-cal, rms=0.098061Jy sigma=0.452156 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=0.836 mas, bmaj=1.945 mas, bpa=-0.6693 degrees ! Estimated noise=0.439282 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.836 x 1.945 at -0.6693 degrees (North through East) ! Clean map min=-0.0014611 max=0.026055 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=0.6461 mas, bmaj=1.594 mas, bpa=-2.996 degrees ! Estimated noise=0.897706 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0199908 Jy ! Component: 100 - total flux cleaned = 0.0245082 Jy ! Component: 150 - total flux cleaned = 0.0260959 Jy ! Component: 200 - total flux cleaned = 0.026626 Jy ! Total flux subtracted in 200 components = 0.026626 Jy ! Clean residual min=-0.001805 max=0.001731 Jy/beam ! Clean residual mean=0.000000 rms=0.000438 Jy/beam ! Combined flux in latest and established models = 0.026626 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.026626 Jy ! Inverting map and beam ! Estimated beam: bmin=0.836 mas, bmaj=1.945 mas, bpa=-0.6693 degrees ! Estimated noise=0.439282 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 = 0.000149281 Jy ! Component: 100 - total flux cleaned = 0.000183639 Jy ! Component: 150 - total flux cleaned = 0.000213231 Jy ! Component: 200 - total flux cleaned = 0.00022214 Jy ! Total flux subtracted in 200 components = 0.00022214 Jy ! Clean residual min=-0.001670 max=0.001049 Jy/beam ! Clean residual mean=0.000000 rms=0.000264 Jy/beam ! Combined flux in latest and established models = 0.0268481 Jy ! Adding 7 model components to the UV plane model. ! The established model now contains 22 components and 0.0268481 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=1.893 mas, bmaj=4.449 mas, bpa=-1.642 degrees ! Estimated noise=0.624048 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000454352 Jy ! Component: 100 - total flux cleaned = -0.000521956 Jy ! Component: 150 - total flux cleaned = -0.00058117 Jy ! Component: 200 - total flux cleaned = -0.000632935 Jy ! Total flux subtracted in 200 components = -0.000632935 Jy ! Clean residual min=-0.001810 max=0.001385 Jy/beam ! Clean residual mean=0.000001 rms=0.000378 Jy/beam ! Combined flux in latest and established models = 0.0262152 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 = -3.46438e-05 Jy ! Component: 100 - total flux cleaned = -5.62401e-05 Jy ! Component: 150 - total flux cleaned = -7.63697e-05 Jy ! Component: 200 - total flux cleaned = -9.5849e-05 Jy ! Total flux subtracted in 200 components = -9.5849e-05 Jy ! Clean residual min=-0.001747 max=0.001382 Jy/beam ! Clean residual mean=0.000001 rms=0.000372 Jy/beam ! Combined flux in latest and established models = 0.0261193 Jy ! Adding 4 model components to the UV plane model. ! The established model now contains 24 components and 0.0261193 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.836 mas, bmaj=1.945 mas, bpa=-0.6693 degrees ! Estimated noise=0.439282 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000380764 Jy ! Component: 100 - total flux cleaned = 0.000454087 Jy ! Component: 150 - total flux cleaned = 0.000481625 Jy ! Component: 200 - total flux cleaned = 0.000512718 Jy ! Total flux subtracted in 200 components = 0.000512718 Jy ! Clean residual min=-0.001635 max=0.001016 Jy/beam ! Clean residual mean=0.000000 rms=0.000260 Jy/beam ! Combined flux in latest and established models = 0.0266321 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 29 components and 0.0266321 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=0.098032Jy sigma=0.452352 ! Fit after self-cal, rms=0.098071Jy sigma=0.452311 wmodel J1838-1853_X_b_map.mod ! Writing 29 model components to file: J1838-1853_X_b_map.mod wobs J1838-1853_X_b_uvs.fits ! Writing UV FITS file: J1838-1853_X_b_uvs.fits wwins J1838-1853_X_b_map.win ! wwins: Wrote 1 windows to J1838-1853_X_b_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 = -0.000707738 Jy ! Component: 100 - total flux cleaned = -0.00127151 Jy ! Component: 150 - total flux cleaned = -0.00175773 Jy ! Component: 200 - total flux cleaned = -0.00211219 Jy ! Component: 250 - total flux cleaned = -0.0024088 Jy ! Component: 300 - total flux cleaned = -0.0026737 Jy ! Component: 350 - total flux cleaned = -0.00291063 Jy ! Component: 400 - total flux cleaned = -0.00309478 Jy ! Component: 450 - total flux cleaned = -0.00323114 Jy ! Component: 500 - total flux cleaned = -0.00337639 Jy ! Component: 550 - total flux cleaned = -0.00350469 Jy ! Component: 600 - total flux cleaned = -0.00361726 Jy ! Component: 650 - total flux cleaned = -0.00373941 Jy ! Component: 700 - total flux cleaned = -0.00383493 Jy ! Component: 750 - total flux cleaned = -0.00389344 Jy ! Component: 800 - total flux cleaned = -0.00400805 Jy ! Component: 850 - total flux cleaned = -0.00406423 Jy ! Component: 900 - total flux cleaned = -0.00413075 Jy ! Component: 950 - total flux cleaned = -0.00422895 Jy ! Component: 1000 - total flux cleaned = -0.00427209 Jy ! Component: 1050 - total flux cleaned = -0.00437813 Jy ! Component: 1100 - total flux cleaned = -0.00444084 Jy ! Component: 1150 - total flux cleaned = -0.00450293 Jy ! Component: 1200 - total flux cleaned = -0.00455412 Jy ! Component: 1250 - total flux cleaned = -0.00468539 Jy ! Component: 1300 - total flux cleaned = -0.00474505 Jy ! Component: 1350 - total flux cleaned = -0.00475486 Jy ! Component: 1400 - total flux cleaned = -0.00477451 Jy ! Component: 1450 - total flux cleaned = -0.00486136 Jy ! Component: 1500 - total flux cleaned = -0.00488039 Jy ! Component: 1550 - total flux cleaned = -0.00491827 Jy ! Component: 1600 - total flux cleaned = -0.00497458 Jy ! Component: 1650 - total flux cleaned = -0.00502101 Jy ! Component: 1700 - total flux cleaned = -0.00506712 Jy ! Component: 1750 - total flux cleaned = -0.00509441 Jy ! Component: 1800 - total flux cleaned = -0.0050944 Jy ! Component: 1850 - total flux cleaned = -0.00513937 Jy ! Component: 1900 - total flux cleaned = -0.00513044 Jy ! Component: 1950 - total flux cleaned = -0.00514817 Jy ! Component: 2000 - total flux cleaned = -0.00518334 Jy ! Component: 2050 - total flux cleaned = -0.00517467 Jy ! Component: 2100 - total flux cleaned = -0.00520941 Jy ! Component: 2150 - total flux cleaned = -0.00523512 Jy ! Component: 2200 - total flux cleaned = -0.00524358 Jy ! Component: 2250 - total flux cleaned = -0.00530281 Jy ! Component: 2300 - total flux cleaned = -0.00530276 Jy ! Component: 2350 - total flux cleaned = -0.00531953 Jy ! Component: 2400 - total flux cleaned = -0.00537748 Jy ! Component: 2450 - total flux cleaned = -0.00537751 Jy ! Component: 2500 - total flux cleaned = -0.00541839 Jy ! Component: 2550 - total flux cleaned = -0.00545086 Jy ! Component: 2600 - total flux cleaned = -0.00549921 Jy ! Component: 2650 - total flux cleaned = -0.0055552 Jy ! Component: 2700 - total flux cleaned = -0.00554721 Jy ! Component: 2750 - total flux cleaned = -0.00558671 Jy ! Component: 2800 - total flux cleaned = -0.00560243 Jy ! Component: 2850 - total flux cleaned = -0.00564921 Jy ! Component: 2900 - total flux cleaned = -0.00566469 Jy ! Component: 2950 - total flux cleaned = -0.00571088 Jy ! Component: 3000 - total flux cleaned = -0.00573386 Jy ! Component: 3050 - total flux cleaned = -0.00573394 Jy ! Component: 3100 - total flux cleaned = -0.00577935 Jy ! Component: 3150 - total flux cleaned = -0.00584698 Jy ! Component: 3200 - total flux cleaned = -0.00583952 Jy ! Component: 3250 - total flux cleaned = -0.00589895 Jy ! Component: 3300 - total flux cleaned = -0.00590642 Jy ! Component: 3350 - total flux cleaned = -0.00593584 Jy ! Component: 3400 - total flux cleaned = -0.00594318 Jy ! Component: 3450 - total flux cleaned = -0.00600858 Jy ! Component: 3500 - total flux cleaned = -0.00601586 Jy ! Component: 3550 - total flux cleaned = -0.00605895 Jy ! Component: 3600 - total flux cleaned = -0.00610176 Jy ! Component: 3650 - total flux cleaned = -0.00613728 Jy ! Component: 3700 - total flux cleaned = -0.00615847 Jy ! Component: 3750 - total flux cleaned = -0.0062077 Jy ! Component: 3800 - total flux cleaned = -0.00622874 Jy ! Component: 3850 - total flux cleaned = -0.00623572 Jy ! Component: 3900 - total flux cleaned = -0.00627028 Jy ! Component: 3950 - total flux cleaned = -0.00626343 Jy ! Component: 4000 - total flux cleaned = -0.00630466 Jy ! Component: 4050 - total flux cleaned = -0.00631834 Jy ! Total flux subtracted in 4096 components = -0.00632514 Jy ! Clean residual min=-0.000348 max=0.000402 Jy/beam ! Clean residual mean=0.000000 rms=0.000117 Jy/beam ! Combined flux in latest and established models = 0.0203069 Jy keep ! Adding 270 model components to the UV plane model. ! The established model now contains 299 components and 0.0203069 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1838-1853_X_b_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.836 x 1.945 at -0.6693 degrees (North through East) ! Clean map min=-0.00097785 max=0.025328 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1838-1853_X_b_map.fits wmodel /image_prod/ug002_uva//J1838-1853_X_b_map.mod ! Writing 299 model components to file: /image_prod/ug002_uva//J1838-1853_X_b_map.mod wobs /image_prod/ug002_uva//J1838-1853_X_b_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1838-1853_X_b_uvs.fits wwins /image_prod/ug002_uva//J1838-1853_X_b_map.win ! wwins: Wrote 2 windows to /image_prod/ug002_uva//J1838-1853_X_b_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0253275 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000117003 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.38588 1.38588 2.77177 5.54354 11.0871 22.1742 44.3483 88.6966 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.025 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 216.468 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1838-1853_X_b_dfm.log closed on Thu Mar 5 03:52:38 2020