! Started logfile: .//J1720-2135_C_dfm.log on Mon Jan 20 18:36:35 2020 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs .//J1720-2135_C_uva.fits ! Reading UV FITS file: .//J1720-2135_C_uva.fits ! AN table 1: 15 integrations on 36 of 36 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1720-2135 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 4320 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 8 channels. ! Selecting polarization: RR, channels: 1..8 ! 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 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J1720-2135_C] 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 0.300x0.300 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. ! ! Fit before self-cal, rms=1.002148Jy sigma=17.178701 ! Fit after self-cal, rms=0.975369Jy sigma=16.715178 ! 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=1.705 mas, bmaj=6.061 mas, bpa=5.992 degrees ! Estimated noise=0.927471 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 = 0.0187814 Jy ! Component: 100 - total flux cleaned = 0.023235 Jy ! Total flux subtracted in 100 components = 0.023235 Jy ! Clean residual min=-0.003239 max=0.003187 Jy/beam ! Clean residual mean=-0.000006 rms=0.000887 Jy/beam ! Combined flux in latest and established models = 0.023235 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.023235 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. ! ! Fit before self-cal, rms=0.047496Jy sigma=0.737462 ! Fit after self-cal, rms=0.045574Jy sigma=0.700135 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00508231 Jy ! Component: 100 - total flux cleaned = 0.00720436 Jy ! Total flux subtracted in 100 components = 0.00720436 Jy ! Clean residual min=-0.002739 max=0.002651 Jy/beam ! Clean residual mean=-0.000005 rms=0.000750 Jy/beam ! Combined flux in latest and established models = 0.0304393 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 18 components and 0.0304393 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. ! ! Fit before self-cal, rms=0.044945Jy sigma=0.687084 ! Fit after self-cal, rms=0.044946Jy sigma=0.686836 ! 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=2.18 mas, bmaj=6.835 mas, bpa=4.074 degrees ! Estimated noise=0.644166 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 = 0.00227141 Jy ! Component: 100 - total flux cleaned = 0.00334049 Jy ! Component: 150 - total flux cleaned = 0.00391274 Jy ! Component: 200 - total flux cleaned = 0.00405231 Jy ! Total flux subtracted in 200 components = 0.00405231 Jy ! Clean residual min=-0.002075 max=0.002569 Jy/beam ! Clean residual mean=-0.000008 rms=0.000615 Jy/beam ! Combined flux in latest and established models = 0.0344916 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 34 components and 0.0344916 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. ! ! Fit before self-cal, rms=0.044854Jy sigma=0.684701 ! Fit after self-cal, rms=0.044841Jy sigma=0.684122 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.18 x 6.835 at 4.074 degrees (North through East) ! Clean map min=-0.002104 max=0.02962 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.85 FD 1.05 HN 0.96 KP 0.83 ! LA 1.10 NL 0.99 OV 1.00 PT 0.87 ! SC 1.14 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 0.80 HN 1.08 KP 1.12 ! LA 1.04 NL 1.05 OV 0.96 PT 0.92 ! SC 1.11 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.06 HN 0.85 KP 1.03 ! LA 0.91 NL 0.93 OV 1.20 PT 1.08 ! SC 1.08 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.92 HN 1.00 KP 1.32 ! LA 0.96 NL 0.87 OV 1.28 PT 1.00 ! SC 0.92 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.01 HN 0.90 KP 1.04 ! LA 0.94 NL 1.06 OV 1.07 PT 0.90 ! SC 0.94 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.97 HN 0.90 KP 0.94 ! LA 0.96 NL 1.08 OV 1.18 PT 1.18 ! SC 1.11 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.95 HN 1.09 KP 0.99 ! LA 1.29 NL 0.88 OV 1.15 PT 0.88 ! SC 1.00 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.86 HN 0.99 KP 1.13 ! LA 0.88 NL 1.12 OV 0.98 PT 0.99 ! SC 0.88 ! ! ! Fit before self-cal, rms=0.044841Jy sigma=0.684122 ! Fit after self-cal, rms=0.045498Jy sigma=0.679948 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.19 mas, bmaj=6.815 mas, bpa=3.874 degrees ! Estimated noise=0.638521 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 = 0.00041695 Jy ! Component: 100 - total flux cleaned = 0.000399579 Jy ! Component: 150 - total flux cleaned = 0.00038449 Jy ! Component: 200 - total flux cleaned = 0.000371883 Jy ! Total flux subtracted in 200 components = 0.000371883 Jy ! Clean residual min=-0.001944 max=0.002450 Jy/beam ! Clean residual mean=-0.000002 rms=0.000582 Jy/beam ! Combined flux in latest and established models = 0.0348635 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 40 components and 0.0348635 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. ! ! Fit before self-cal, rms=0.045486Jy sigma=0.679709 ! Fit after self-cal, rms=0.045630Jy sigma=0.679046 ! 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. ! ! Fit before self-cal, rms=0.045630Jy sigma=0.679046 ! Fit after self-cal, rms=0.046035Jy sigma=0.678909 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.189 mas, bmaj=6.794 mas, bpa=3.758 degrees ! Estimated noise=0.638815 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000293985 Jy ! Component: 100 - total flux cleaned = 0.000310138 Jy ! Component: 150 - total flux cleaned = 0.000288199 Jy ! Component: 200 - total flux cleaned = 0.000278786 Jy ! Total flux subtracted in 200 components = 0.000278786 Jy ! Clean residual min=-0.002006 max=0.002536 Jy/beam ! Clean residual mean=-0.000001 rms=0.000593 Jy/beam ! Combined flux in latest and established models = 0.0351423 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 48 components and 0.0351423 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. ! ! Fit before self-cal, rms=0.046028Jy sigma=0.678767 ! Fit after self-cal, rms=0.046052Jy sigma=0.678664 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 (-17.4, 52.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00251135 Jy ! Component: 100 - total flux cleaned = 0.00370086 Jy ! Component: 150 - total flux cleaned = 0.00451842 Jy ! Component: 200 - total flux cleaned = 0.00499158 Jy ! Total flux subtracted in 200 components = 0.00499158 Jy ! Clean residual min=-0.001887 max=0.001878 Jy/beam ! Clean residual mean=0.000006 rms=0.000474 Jy/beam ! Combined flux in latest and established models = 0.0401339 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 72 components and 0.0401339 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. ! ! Fit before self-cal, rms=0.045894Jy sigma=0.676384 ! Fit after self-cal, rms=0.045875Jy sigma=0.675080 ! 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. ! ! Fit before self-cal, rms=0.045875Jy sigma=0.675080 ! Fit after self-cal, rms=0.045013Jy sigma=0.674752 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.181 mas, bmaj=6.761 mas, bpa=3.689 degrees ! Estimated noise=0.627155 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00120531 Jy ! Component: 100 - total flux cleaned = 0.0016633 Jy ! Component: 150 - total flux cleaned = 0.00203328 Jy ! Component: 200 - total flux cleaned = 0.00230266 Jy ! Total flux subtracted in 200 components = 0.00230266 Jy ! Clean residual min=-0.001757 max=0.001765 Jy/beam ! Clean residual mean=0.000006 rms=0.000447 Jy/beam ! Combined flux in latest and established models = 0.0424365 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 88 components and 0.0424365 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. ! ! Fit before self-cal, rms=0.044962Jy sigma=0.674117 ! Fit after self-cal, rms=0.044953Jy sigma=0.673959 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 = 0.000340651 Jy ! Component: 100 - total flux cleaned = 0.000522503 Jy ! Component: 150 - total flux cleaned = 0.000662127 Jy ! Component: 200 - total flux cleaned = 0.000771762 Jy ! Total flux subtracted in 200 components = 0.000771762 Jy ! Clean residual min=-0.001769 max=0.001731 Jy/beam ! Clean residual mean=0.000007 rms=0.000444 Jy/beam ! Combined flux in latest and established models = 0.0432083 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 97 components and 0.0432083 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. ! ! Fit before self-cal, rms=0.044934Jy sigma=0.673738 ! Fit after self-cal, rms=0.044935Jy sigma=0.673701 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 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. ! ! Fit before self-cal, rms=0.044935Jy sigma=0.673701 ! Fit after self-cal, rms=0.044272Jy sigma=0.673532 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.989 mas, bmaj=8.98 mas, bpa=-6.935 degrees ! Estimated noise=0.719793 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000512289 Jy ! Component: 100 - total flux cleaned = 0.000690971 Jy ! Component: 150 - total flux cleaned = 0.000843013 Jy ! Component: 200 - total flux cleaned = 0.000956828 Jy ! Total flux subtracted in 200 components = 0.000956828 Jy ! Clean residual min=-0.001737 max=0.002091 Jy/beam ! Clean residual mean=0.000009 rms=0.000553 Jy/beam ! Combined flux in latest and established models = 0.0441651 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 119 components and 0.0441651 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. ! ! Fit before self-cal, rms=0.044259Jy sigma=0.673418 ! Fit after self-cal, rms=0.044252Jy sigma=0.673364 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 = 4.1722e-05 Jy ! Component: 100 - total flux cleaned = 0.000160327 Jy ! Component: 150 - total flux cleaned = 0.000206977 Jy ! Component: 200 - total flux cleaned = 0.000241173 Jy ! Total flux subtracted in 200 components = 0.000241173 Jy ! Clean residual min=-0.001722 max=0.002079 Jy/beam ! Clean residual mean=0.000010 rms=0.000548 Jy/beam ! Combined flux in latest and established models = 0.0444063 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 125 components and 0.0444063 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. ! ! Fit before self-cal, rms=0.044247Jy sigma=0.673303 ! Fit after self-cal, rms=0.044245Jy sigma=0.673281 ! 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=2.169 mas, bmaj=6.723 mas, bpa=3.649 degrees ! Estimated noise=0.620697 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.169 x 6.723 at 3.649 degrees (North through East) ! Clean map min=-0.0016599 max=0.029571 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=1.7 mas, bmaj=5.983 mas, bpa=5.77 degrees ! Estimated noise=0.883963 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.020497 Jy ! Component: 100 - total flux cleaned = 0.0265344 Jy ! Component: 150 - total flux cleaned = 0.0299197 Jy ! Component: 200 - total flux cleaned = 0.0325785 Jy ! Total flux subtracted in 200 components = 0.0325785 Jy ! Clean residual min=-0.002853 max=0.002506 Jy/beam ! Clean residual mean=-0.000002 rms=0.000712 Jy/beam ! Combined flux in latest and established models = 0.0325785 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.0325785 Jy ! Inverting map and beam ! Estimated beam: bmin=2.169 mas, bmaj=6.723 mas, bpa=3.649 degrees ! Estimated noise=0.620697 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 = 0.00353067 Jy ! Component: 100 - total flux cleaned = 0.00585438 Jy ! Component: 150 - total flux cleaned = 0.00754924 Jy ! Component: 200 - total flux cleaned = 0.00868702 Jy ! Total flux subtracted in 200 components = 0.00868702 Jy ! Clean residual min=-0.001917 max=0.001839 Jy/beam ! Clean residual mean=0.000002 rms=0.000482 Jy/beam ! Combined flux in latest and established models = 0.0412655 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 45 components and 0.0412655 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.989 mas, bmaj=8.98 mas, bpa=-6.935 degrees ! Estimated noise=0.719793 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00124008 Jy ! Component: 100 - total flux cleaned = 0.00159848 Jy ! Component: 150 - total flux cleaned = 0.00192045 Jy ! Component: 200 - total flux cleaned = 0.00216286 Jy ! Total flux subtracted in 200 components = 0.00216286 Jy ! Clean residual min=-0.001876 max=0.002191 Jy/beam ! Clean residual mean=0.000009 rms=0.000565 Jy/beam ! Combined flux in latest and established models = 0.0434284 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 = 0.000205865 Jy ! Component: 100 - total flux cleaned = 0.000418637 Jy ! Component: 150 - total flux cleaned = 0.000605205 Jy ! Component: 200 - total flux cleaned = 0.000769949 Jy ! Total flux subtracted in 200 components = 0.000769949 Jy ! Clean residual min=-0.001784 max=0.002157 Jy/beam ! Clean residual mean=0.000009 rms=0.000556 Jy/beam ! Combined flux in latest and established models = 0.0441983 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 83 components and 0.0441983 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.169 mas, bmaj=6.723 mas, bpa=3.649 degrees ! Estimated noise=0.620697 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.04159e-05 Jy ! Component: 100 - total flux cleaned = 0.000108718 Jy ! Component: 150 - total flux cleaned = 0.000157033 Jy ! Component: 200 - total flux cleaned = 0.000187077 Jy ! Total flux subtracted in 200 components = 0.000187077 Jy ! Clean residual min=-0.001757 max=0.001674 Jy/beam ! Clean residual mean=0.000005 rms=0.000434 Jy/beam ! Combined flux in latest and established models = 0.0443854 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 101 components and 0.0443854 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. ! ! Fit before self-cal, rms=0.044256Jy sigma=0.673421 ! Fit after self-cal, rms=0.044259Jy sigma=0.673316 wmodel J1720-2135_C_map.mod ! Writing 101 model components to file: J1720-2135_C_map.mod wobs J1720-2135_C_uvs.fits ! Writing UV FITS file: J1720-2135_C_uvs.fits wwins J1720-2135_C_map.win ! wwins: Wrote 2 windows to J1720-2135_C_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 = -0.000103938 Jy ! Component: 100 - total flux cleaned = -4.62429e-05 Jy ! Component: 150 - total flux cleaned = 8.58146e-05 Jy ! Component: 200 - total flux cleaned = 0.000308819 Jy ! Component: 250 - total flux cleaned = 0.000519964 Jy ! Component: 300 - total flux cleaned = 0.000745579 Jy ! Component: 350 - total flux cleaned = 0.000918367 Jy ! Component: 400 - total flux cleaned = 0.00108457 Jy ! Component: 450 - total flux cleaned = 0.00122479 Jy ! Component: 500 - total flux cleaned = 0.00134113 Jy ! Component: 550 - total flux cleaned = 0.00149146 Jy ! Component: 600 - total flux cleaned = 0.00158241 Jy ! Component: 650 - total flux cleaned = 0.00172399 Jy ! Component: 700 - total flux cleaned = 0.00186135 Jy ! Component: 750 - total flux cleaned = 0.0019452 Jy ! Component: 800 - total flux cleaned = 0.0020434 Jy ! Component: 850 - total flux cleaned = 0.00212274 Jy ! Component: 900 - total flux cleaned = 0.00218501 Jy ! Component: 950 - total flux cleaned = 0.00226064 Jy ! Component: 1000 - total flux cleaned = 0.00231995 Jy ! Component: 1050 - total flux cleaned = 0.00239259 Jy ! Component: 1100 - total flux cleaned = 0.00243508 Jy ! Component: 1150 - total flux cleaned = 0.00250474 Jy ! Component: 1200 - total flux cleaned = 0.00254563 Jy ! Component: 1250 - total flux cleaned = 0.00254555 Jy ! Component: 1300 - total flux cleaned = 0.00259798 Jy ! Component: 1350 - total flux cleaned = 0.00259805 Jy ! Component: 1400 - total flux cleaned = 0.00267416 Jy ! Component: 1450 - total flux cleaned = 0.00271151 Jy ! Component: 1500 - total flux cleaned = 0.00278515 Jy ! Component: 1550 - total flux cleaned = 0.00284517 Jy ! Component: 1600 - total flux cleaned = 0.00285714 Jy ! Component: 1650 - total flux cleaned = 0.00292764 Jy ! Component: 1700 - total flux cleaned = 0.00299717 Jy ! Component: 1750 - total flux cleaned = 0.00300856 Jy ! Component: 1800 - total flux cleaned = 0.00306487 Jy ! Component: 1850 - total flux cleaned = 0.00307592 Jy ! Component: 1900 - total flux cleaned = 0.00308709 Jy ! Component: 1950 - total flux cleaned = 0.00311983 Jy ! Component: 2000 - total flux cleaned = 0.00315205 Jy ! Component: 2050 - total flux cleaned = 0.00319451 Jy ! Component: 2100 - total flux cleaned = 0.00319442 Jy ! Component: 2150 - total flux cleaned = 0.0031843 Jy ! Component: 2200 - total flux cleaned = 0.00322521 Jy ! Component: 2250 - total flux cleaned = 0.00324548 Jy ! Component: 2300 - total flux cleaned = 0.00327546 Jy ! Component: 2350 - total flux cleaned = 0.00328528 Jy ! Component: 2400 - total flux cleaned = 0.00332448 Jy ! Component: 2450 - total flux cleaned = 0.00336324 Jy ! Component: 2500 - total flux cleaned = 0.00340155 Jy ! Component: 2550 - total flux cleaned = 0.00341099 Jy ! Component: 2600 - total flux cleaned = 0.00342032 Jy ! Component: 2650 - total flux cleaned = 0.00346703 Jy ! Component: 2700 - total flux cleaned = 0.00347621 Jy ! Component: 2750 - total flux cleaned = 0.0035312 Jy ! Component: 2800 - total flux cleaned = 0.00355845 Jy ! Component: 2850 - total flux cleaned = 0.00358542 Jy ! Component: 2900 - total flux cleaned = 0.00358543 Jy ! Component: 2950 - total flux cleaned = 0.0036209 Jy ! Component: 3000 - total flux cleaned = 0.00364731 Jy ! Component: 3050 - total flux cleaned = 0.00369974 Jy ! Component: 3100 - total flux cleaned = 0.00374307 Jy ! Component: 3150 - total flux cleaned = 0.00376894 Jy ! Component: 3200 - total flux cleaned = 0.00382022 Jy ! Component: 3250 - total flux cleaned = 0.00387101 Jy ! Component: 3300 - total flux cleaned = 0.00387941 Jy ! Component: 3350 - total flux cleaned = 0.00392963 Jy ! Component: 3400 - total flux cleaned = 0.00394633 Jy ! Component: 3450 - total flux cleaned = 0.00400408 Jy ! Component: 3500 - total flux cleaned = 0.00401226 Jy ! Component: 3550 - total flux cleaned = 0.00405308 Jy ! Component: 3600 - total flux cleaned = 0.00410163 Jy ! Component: 3650 - total flux cleaned = 0.00412574 Jy ! Component: 3700 - total flux cleaned = 0.00414967 Jy ! Component: 3750 - total flux cleaned = 0.00418138 Jy ! Component: 3800 - total flux cleaned = 0.00418137 Jy ! Component: 3850 - total flux cleaned = 0.0041971 Jy ! Component: 3900 - total flux cleaned = 0.00422051 Jy ! Component: 3950 - total flux cleaned = 0.00420501 Jy ! Component: 4000 - total flux cleaned = 0.00423591 Jy ! Component: 4050 - total flux cleaned = 0.00426658 Jy ! Total flux subtracted in 4096 components = 0.00431235 Jy ! Clean residual min=-0.000406 max=0.000456 Jy/beam ! Clean residual mean=0.000001 rms=0.000143 Jy/beam ! Combined flux in latest and established models = 0.0486977 Jy keep ! Adding 302 model components to the UV plane model. ! The established model now contains 403 components and 0.0486978 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J1720-2135_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.169 x 6.723 at 3.649 degrees (North through East) ! Clean map min=-0.0013667 max=0.029277 Jy/beam ! Writing clean map to FITS file: .//J1720-2135_C_map.fits wmodel .//J1720-2135_C_map.mod ! Writing 403 model components to file: .//J1720-2135_C_map.mod wobs .//J1720-2135_C_uvs.fits ! Writing UV FITS file: .//J1720-2135_C_uvs.fits wwins .//J1720-2135_C_map.win ! wwins: Wrote 3 windows to .//J1720-2135_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0292774 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000140524 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.43992 1.43992 2.87984 5.75968 11.5194 23.0387 46.0775 92.1549 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.029 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 208.344 quit ! Quitting program ! Log file .//J1720-2135_C_dfm.log closed on Mon Jan 20 18:36:39 2020