! Started logfile: J1821+3945_S_dfm.log on Fri Feb 15 19:57:18 2019 float field_size field_size = 1024 float field_cell field_cell = 0.5000 float taper_size taper_size = 20.0 float freq freq = 2.22000 obs J1821+3945_S_uvm.fits ! Reading UV FITS file: J1821+3945_S_uvm.fits ! AN table 1: 92 integrations on 36 of 36 possible baselines. ! AN table 2: 24 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.89663 visibilities/baseline/integration-bin. ! Found source: J1821+3945 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.22e+09 3.2e+07 1 3.2e+07 ! 02 2 2.252e+09 3.2e+07 1 3.2e+07 ! 03 3 2.284e+09 3.2e+07 1 3.2e+07 ! 04 4 2.348e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 54 lines of history. ! ! Reading 15752 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 4 channels. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.5 print "taper_size =", taper_size ! taper_size = 20 ![@/opt64/bin/pima_mupet_01.dfm J1821+3945_S] 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 0.500x0.500 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 55 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 55 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 55 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 486 telescope corrections were flagged in sub-array 1. ! A total of 240 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.031858Jy sigma=16.728452 ! Fit after self-cal, rms=0.759805Jy sigma=11.728039 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. sele I,1,3 ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..3 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: (none) 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=3.017 mas, bmaj=6.539 mas, bpa=0.7291 degrees ! Estimated noise=0.631112 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 = 0.195987 Jy ! Component: 100 - total flux cleaned = 0.271731 Jy ! Total flux subtracted in 100 components = 0.271731 Jy ! Clean residual min=-0.014964 max=0.036879 Jy/beam ! Clean residual mean=0.000071 rms=0.004166 Jy/beam ! Combined flux in latest and established models = 0.271731 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 24 components and 0.271731 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Not correcting unselected IF 4. ! ! Fit before self-cal, rms=0.115544Jy sigma=1.818494 ! Fit after self-cal, rms=0.115052Jy sigma=1.812711 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0443753 Jy ! Component: 100 - total flux cleaned = 0.0714733 Jy ! Total flux subtracted in 100 components = 0.0714733 Jy ! Clean residual min=-0.010284 max=0.023369 Jy/beam ! Clean residual mean=0.000041 rms=0.002774 Jy/beam ! Combined flux in latest and established models = 0.343205 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 43 components and 0.343205 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Not correcting unselected IF 4. ! ! Fit before self-cal, rms=0.090648Jy sigma=1.298808 ! Fit after self-cal, rms=0.090196Jy sigma=1.294236 ! Inverting map ! Added new window around map position (-4.5, 2.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0226953 Jy ! Component: 100 - total flux cleaned = 0.036704 Jy ! Total flux subtracted in 100 components = 0.036704 Jy ! Clean residual min=-0.008496 max=0.015700 Jy/beam ! Clean residual mean=0.000026 rms=0.002245 Jy/beam ! Combined flux in latest and established models = 0.379909 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 50 components and 0.379909 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Not correcting unselected IF 4. ! ! Fit before self-cal, rms=0.082004Jy sigma=1.122628 ! Fit after self-cal, rms=0.081506Jy sigma=1.115238 ! Inverting map ! Added new window around map position (-1.5, -11.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0151445 Jy ! Component: 100 - total flux cleaned = 0.0250263 Jy ! Total flux subtracted in 100 components = 0.0250263 Jy ! Clean residual min=-0.006593 max=0.011659 Jy/beam ! Clean residual mean=0.000015 rms=0.001896 Jy/beam ! Combined flux in latest and established models = 0.404935 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 66 components and 0.404935 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Not correcting unselected IF 4. ! ! Fit before self-cal, rms=0.077844Jy sigma=1.034466 ! Fit after self-cal, rms=0.077484Jy sigma=1.030489 ! Inverting map ! Added new window around map position (-15, -24.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.010987 Jy ! Component: 100 - total flux cleaned = 0.0183398 Jy ! Total flux subtracted in 100 components = 0.0183398 Jy ! Clean residual min=-0.005388 max=0.006485 Jy/beam ! Clean residual mean=0.000012 rms=0.001675 Jy/beam ! Combined flux in latest and established models = 0.423275 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 78 components and 0.423275 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Not correcting unselected IF 4. ! ! Fit before self-cal, rms=0.075585Jy sigma=0.991601 ! Fit after self-cal, rms=0.075447Jy sigma=0.989836 ! 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=3.543 mas, bmaj=7.736 mas, bpa=1.148 degrees ! Estimated noise=0.424599 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 = 0.0100289 Jy ! Component: 100 - total flux cleaned = 0.0170455 Jy ! Component: 150 - total flux cleaned = 0.0224203 Jy ! Component: 200 - total flux cleaned = 0.026629 Jy ! Total flux subtracted in 200 components = 0.026629 Jy ! Clean residual min=-0.004597 max=0.005513 Jy/beam ! Clean residual mean=-0.000009 rms=0.001320 Jy/beam ! Combined flux in latest and established models = 0.449904 Jy ! Performing phase self-cal ! Adding 57 model components to the UV plane model. ! The established model now contains 129 components and 0.449904 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Not correcting unselected IF 4. ! ! Fit before self-cal, rms=0.073709Jy sigma=0.953182 ! Fit after self-cal, rms=0.073592Jy sigma=0.951226 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.543 x 7.736 at 1.148 degrees (North through East) ! Clean map min=-0.0043938 max=0.25071 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 KP 1.00 LA 0.99 ! MK 0.98 NL 0.98 OV 1.00 PT 0.98 ! SC 1.05 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 0.98 HN 1.05 KP 0.96 ! LA 0.90 MK 1.05 NL 1.16 OV 1.01 ! PT 0.96 SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 KP 1.00 LA 0.99 ! MK 0.96 NL 1.09 OV 1.00 PT 0.99 ! SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.57 FD 1.00 HN 1.00 KP 0.91 ! LA 0.89 MK 1.01 NL 0.92 OV 1.02 ! PT 0.99 SC 1.48 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.00 KP 0.99 LA 1.00 ! MK 0.98 NL 1.08 OV 1.01 PT 0.99 ! SC 1.10 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.85 FD 0.99 HN 1.05 KP 0.91 ! LA 0.89 MK 1.02 NL 1.06 OV 1.02 ! PT 0.97 SC 0.96 ! ! ! Not correcting unselected IF 4. ! ! Fit before self-cal, rms=0.073592Jy sigma=0.951226 ! Fit after self-cal, rms=0.066004Jy sigma=0.873528 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.581 mas, bmaj=7.722 mas, bpa=0.8879 degrees ! Estimated noise=0.423811 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 = 0.00357098 Jy ! Component: 100 - total flux cleaned = 0.00459686 Jy ! Component: 150 - total flux cleaned = 0.00521154 Jy ! Component: 200 - total flux cleaned = 0.00557568 Jy ! Total flux subtracted in 200 components = 0.00557568 Jy ! Clean residual min=-0.003569 max=0.003342 Jy/beam ! Clean residual mean=0.000000 rms=0.000800 Jy/beam ! Combined flux in latest and established models = 0.455479 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 152 components and 0.455479 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Not correcting unselected IF 4. ! ! Fit before self-cal, rms=0.065668Jy sigma=0.867448 ! Fit after self-cal, rms=0.065679Jy sigma=0.866695 ! 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. ! ! Not correcting unselected IF 4. ! ! Fit before self-cal, rms=0.065679Jy sigma=0.866695 ! Fit after self-cal, rms=0.065364Jy sigma=0.854587 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.579 mas, bmaj=7.763 mas, bpa=0.99 degrees ! Estimated noise=0.424563 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00196692 Jy ! Component: 100 - total flux cleaned = 0.00245165 Jy ! Component: 150 - total flux cleaned = 0.00270893 Jy ! Component: 200 - total flux cleaned = 0.00298121 Jy ! Total flux subtracted in 200 components = 0.00298121 Jy ! Clean residual min=-0.002893 max=0.002555 Jy/beam ! Clean residual mean=0.000004 rms=0.000677 Jy/beam ! Combined flux in latest and established models = 0.45846 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 169 components and 0.45846 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Not correcting unselected IF 4. ! ! Fit before self-cal, rms=0.065254Jy sigma=0.852897 ! Fit after self-cal, rms=0.065257Jy sigma=0.852801 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 = 0.000310005 Jy ! Component: 100 - total flux cleaned = 0.000553861 Jy ! Component: 150 - total flux cleaned = 0.000781274 Jy ! Component: 200 - total flux cleaned = 0.000959428 Jy ! Total flux subtracted in 200 components = 0.000959428 Jy ! Clean residual min=-0.002866 max=0.002504 Jy/beam ! Clean residual mean=0.000003 rms=0.000667 Jy/beam ! Combined flux in latest and established models = 0.45942 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 175 components and 0.45942 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Not correcting unselected IF 4. ! ! Fit before self-cal, rms=0.065212Jy sigma=0.852062 ! Fit after self-cal, rms=0.065207Jy sigma=0.852032 ! 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. ! ! Not correcting unselected IF 4. ! ! Fit before self-cal, rms=0.065207Jy sigma=0.852032 ! Fit after self-cal, rms=0.062045Jy sigma=0.832704 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.571 mas, bmaj=7.755 mas, bpa=1.272 degrees ! Estimated noise=0.423529 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000809207 Jy ! Component: 100 - total flux cleaned = 0.00102203 Jy ! Component: 150 - total flux cleaned = 0.00113538 Jy ! Component: 200 - total flux cleaned = 0.00120264 Jy ! Total flux subtracted in 200 components = 0.00120264 Jy ! Clean residual min=-0.001702 max=0.002600 Jy/beam ! Clean residual mean=0.000003 rms=0.000463 Jy/beam ! Combined flux in latest and established models = 0.460622 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 186 components and 0.460622 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Not correcting unselected IF 4. ! ! Fit before self-cal, rms=0.061996Jy sigma=0.831820 ! Fit after self-cal, rms=0.061993Jy sigma=0.831737 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 (-9, -19.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00139018 Jy ! Component: 100 - total flux cleaned = 0.00128555 Jy ! Component: 150 - total flux cleaned = 0.00132116 Jy ! Component: 200 - total flux cleaned = 0.00146875 Jy ! Total flux subtracted in 200 components = 0.00146875 Jy ! Clean residual min=-0.001584 max=0.001948 Jy/beam ! Clean residual mean=0.000003 rms=0.000431 Jy/beam ! Combined flux in latest and established models = 0.462091 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 213 components and 0.462091 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Not correcting unselected IF 4. ! ! Fit before self-cal, rms=0.061878Jy sigma=0.830017 ! Fit after self-cal, rms=0.061870Jy sigma=0.829847 ! Inverting map ! Added new window around map position (-11, 0.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00163653 Jy ! Component: 100 - total flux cleaned = 0.00171814 Jy ! Component: 150 - total flux cleaned = 0.00175166 Jy ! Component: 200 - total flux cleaned = 0.00175171 Jy ! Total flux subtracted in 200 components = 0.00175171 Jy ! Clean residual min=-0.001492 max=0.001609 Jy/beam ! Clean residual mean=0.000003 rms=0.000409 Jy/beam ! Combined flux in latest and established models = 0.463843 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 229 components and 0.463843 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Not correcting unselected IF 4. ! ! Fit before self-cal, rms=0.061801Jy sigma=0.828857 ! Fit after self-cal, rms=0.061799Jy sigma=0.828773 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 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. ! ! Not correcting unselected IF 4. ! ! Fit before self-cal, rms=0.061799Jy sigma=0.828773 ! Fit after self-cal, rms=0.061507Jy sigma=0.828440 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.977 mas, bmaj=10.91 mas, bpa=8.313 degrees ! Estimated noise=0.494181 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000909302 Jy ! Component: 100 - total flux cleaned = 0.00138759 Jy ! Component: 150 - total flux cleaned = 0.00154447 Jy ! Component: 200 - total flux cleaned = 0.00168173 Jy ! Total flux subtracted in 200 components = 0.00168173 Jy ! Clean residual min=-0.001616 max=0.001836 Jy/beam ! Clean residual mean=0.000005 rms=0.000450 Jy/beam ! Combined flux in latest and established models = 0.465525 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 251 components and 0.465524 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Not correcting unselected IF 4. ! ! Fit before self-cal, rms=0.061490Jy sigma=0.828182 ! Fit after self-cal, rms=0.061490Jy sigma=0.828140 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 = 0.000213836 Jy ! Component: 100 - total flux cleaned = 0.000368104 Jy ! Component: 150 - total flux cleaned = 0.000479622 Jy ! Component: 200 - total flux cleaned = 0.000545184 Jy ! Total flux subtracted in 200 components = 0.000545184 Jy ! Clean residual min=-0.001617 max=0.001833 Jy/beam ! Clean residual mean=0.000005 rms=0.000446 Jy/beam ! Combined flux in latest and established models = 0.46607 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 262 components and 0.46607 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Not correcting unselected IF 4. ! ! Fit before self-cal, rms=0.061482Jy sigma=0.828013 ! Fit after self-cal, rms=0.061480Jy sigma=0.827978 ! 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=3.567 mas, bmaj=7.744 mas, bpa=1.345 degrees ! Estimated noise=0.422933 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.567 x 7.744 at 1.345 degrees (North through East) ! Clean map min=-0.001395 max=0.24917 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=3.046 mas, bmaj=6.551 mas, bpa=0.9266 degrees ! Estimated noise=0.631549 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.195868 Jy ! Component: 100 - total flux cleaned = 0.27369 Jy ! Component: 150 - total flux cleaned = 0.320555 Jy ! Component: 200 - total flux cleaned = 0.350752 Jy ! Total flux subtracted in 200 components = 0.350752 Jy ! Clean residual min=-0.007098 max=0.016245 Jy/beam ! Clean residual mean=0.000038 rms=0.002074 Jy/beam ! Combined flux in latest and established models = 0.350752 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 46 model components to the UV plane model. ! The established model now contains 46 components and 0.350752 Jy ! Inverting map and beam ! Estimated beam: bmin=3.567 mas, bmaj=7.744 mas, bpa=1.345 degrees ! Estimated noise=0.422933 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 = 0.0290921 Jy ! Component: 100 - total flux cleaned = 0.0482692 Jy ! Component: 150 - total flux cleaned = 0.0624691 Jy ! Component: 200 - total flux cleaned = 0.0731859 Jy ! Total flux subtracted in 200 components = 0.0731859 Jy ! Clean residual min=-0.003751 max=0.006273 Jy/beam ! Clean residual mean=0.000016 rms=0.001069 Jy/beam ! Combined flux in latest and established models = 0.423938 Jy ! Adding 67 model components to the UV plane model. ! The established model now contains 102 components and 0.423938 Jy ! Inverting map ! Added new window around map position (1.5, -7.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00832532 Jy ! Component: 100 - total flux cleaned = 0.0148669 Jy ! Component: 150 - total flux cleaned = 0.0200383 Jy ! Component: 200 - total flux cleaned = 0.0242033 Jy ! Total flux subtracted in 200 components = 0.0242033 Jy ! Clean residual min=-0.002458 max=0.002547 Jy/beam ! Clean residual mean=0.000008 rms=0.000575 Jy/beam ! Combined flux in latest and established models = 0.448141 Jy ! Adding 50 model components to the UV plane model. ! The established model now contains 141 components and 0.448141 Jy ! Inverting map ! Added new window around map position (-1.5, 6.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00338742 Jy ! Component: 100 - total flux cleaned = 0.00615907 Jy ! Component: 150 - total flux cleaned = 0.00845993 Jy ! Component: 200 - total flux cleaned = 0.0103117 Jy ! Total flux subtracted in 200 components = 0.0103117 Jy ! Clean residual min=-0.001933 max=0.001904 Jy/beam ! Clean residual mean=0.000004 rms=0.000443 Jy/beam ! Combined flux in latest and established models = 0.458453 Jy ! Adding 59 model components to the UV plane model. ! The established model now contains 186 components and 0.458453 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.977 mas, bmaj=10.91 mas, bpa=8.313 degrees ! Estimated noise=0.494181 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00224996 Jy ! Component: 100 - total flux cleaned = 0.00370675 Jy ! Component: 150 - total flux cleaned = 0.00434167 Jy ! Component: 200 - total flux cleaned = 0.0049042 Jy ! Total flux subtracted in 200 components = 0.0049042 Jy ! Clean residual min=-0.001875 max=0.001801 Jy/beam ! Clean residual mean=0.000006 rms=0.000461 Jy/beam ! Combined flux in latest and established models = 0.463357 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 = 0.000453937 Jy ! Component: 100 - total flux cleaned = 0.000684057 Jy ! Component: 150 - total flux cleaned = 0.000790292 Jy ! Component: 200 - total flux cleaned = 0.000864318 Jy ! Total flux subtracted in 200 components = 0.000864318 Jy ! Clean residual min=-0.001811 max=0.001827 Jy/beam ! Clean residual mean=0.000006 rms=0.000448 Jy/beam ! Combined flux in latest and established models = 0.464221 Jy ! Adding 88 model components to the UV plane model. ! The established model now contains 262 components and 0.464222 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.567 mas, bmaj=7.744 mas, bpa=1.345 degrees ! Estimated noise=0.422933 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000239181 Jy ! Component: 100 - total flux cleaned = -0.000106437 Jy ! Component: 150 - total flux cleaned = -0.000221686 Jy ! Component: 200 - total flux cleaned = -0.000221605 Jy ! Total flux subtracted in 200 components = -0.000221605 Jy ! Clean residual min=-0.001560 max=0.001653 Jy/beam ! Clean residual mean=0.000003 rms=0.000390 Jy/beam ! Combined flux in latest and established models = 0.464 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 286 components and 0.464 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Not correcting unselected IF 4. ! ! Fit before self-cal, rms=0.061501Jy sigma=0.827964 ! Fit after self-cal, rms=0.061463Jy sigma=0.827652 wmodel J1821+3945_S_map.mod ! Writing 286 model components to file: J1821+3945_S_map.mod wobs J1821+3945_S_uvs.fits ! Writing UV FITS file: J1821+3945_S_uvs.fits wwins J1821+3945_S_map.win ! wwins: Wrote 8 windows to J1821+3945_S_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 = 0.000297843 Jy ! Component: 100 - total flux cleaned = 0.000433472 Jy ! Component: 150 - total flux cleaned = 0.000511695 Jy ! Component: 200 - total flux cleaned = 0.000461133 Jy ! Component: 250 - total flux cleaned = 0.000558665 Jy ! Component: 300 - total flux cleaned = 0.000701557 Jy ! Component: 350 - total flux cleaned = 0.000863784 Jy ! Component: 400 - total flux cleaned = 0.00090899 Jy ! Component: 450 - total flux cleaned = 0.000975979 Jy ! Component: 500 - total flux cleaned = 0.000976143 Jy ! Component: 550 - total flux cleaned = 0.00101934 Jy ! Component: 600 - total flux cleaned = 0.00104087 Jy ! Component: 650 - total flux cleaned = 0.0011241 Jy ! Component: 700 - total flux cleaned = 0.00116522 Jy ! Component: 750 - total flux cleaned = 0.00124597 Jy ! Component: 800 - total flux cleaned = 0.00132504 Jy ! Component: 850 - total flux cleaned = 0.00134449 Jy ! Component: 900 - total flux cleaned = 0.00134474 Jy ! Component: 950 - total flux cleaned = 0.00140224 Jy ! Component: 1000 - total flux cleaned = 0.00140234 Jy ! Component: 1050 - total flux cleaned = 0.00140251 Jy ! Component: 1100 - total flux cleaned = 0.00136602 Jy ! Component: 1150 - total flux cleaned = 0.00145683 Jy ! Component: 1200 - total flux cleaned = 0.00143894 Jy ! Component: 1250 - total flux cleaned = 0.00145662 Jy ! Component: 1300 - total flux cleaned = 0.00145679 Jy ! Component: 1350 - total flux cleaned = 0.00154358 Jy ! Component: 1400 - total flux cleaned = 0.00152639 Jy ! Component: 1450 - total flux cleaned = 0.00152635 Jy ! Component: 1500 - total flux cleaned = 0.00154342 Jy ! Component: 1550 - total flux cleaned = 0.00154333 Jy ! Component: 1600 - total flux cleaned = 0.00154339 Jy ! Component: 1650 - total flux cleaned = 0.00157605 Jy ! Component: 1700 - total flux cleaned = 0.00155976 Jy ! Component: 1750 - total flux cleaned = 0.00155974 Jy ! Component: 1800 - total flux cleaned = 0.00151189 Jy ! Component: 1850 - total flux cleaned = 0.00151194 Jy ! Component: 1900 - total flux cleaned = 0.00152779 Jy ! Component: 1950 - total flux cleaned = 0.00154325 Jy ! Component: 2000 - total flux cleaned = 0.00151238 Jy ! Component: 2050 - total flux cleaned = 0.00152756 Jy ! Component: 2100 - total flux cleaned = 0.00152737 Jy ! Component: 2150 - total flux cleaned = 0.00149721 Jy ! Component: 2200 - total flux cleaned = 0.00152725 Jy ! Component: 2250 - total flux cleaned = 0.00152724 Jy ! Component: 2300 - total flux cleaned = 0.00154189 Jy ! Component: 2350 - total flux cleaned = 0.00155652 Jy ! Component: 2400 - total flux cleaned = 0.00155664 Jy ! Component: 2450 - total flux cleaned = 0.00157097 Jy ! Component: 2500 - total flux cleaned = 0.00155667 Jy ! Component: 2550 - total flux cleaned = 0.0014998 Jy ! Component: 2600 - total flux cleaned = 0.00149988 Jy ! Component: 2650 - total flux cleaned = 0.001458 Jy ! Component: 2700 - total flux cleaned = 0.00149993 Jy ! Component: 2750 - total flux cleaned = 0.00154137 Jy ! Component: 2800 - total flux cleaned = 0.00151396 Jy ! Component: 2850 - total flux cleaned = 0.00154125 Jy ! Component: 2900 - total flux cleaned = 0.0015413 Jy ! Component: 2950 - total flux cleaned = 0.00156815 Jy ! Component: 3000 - total flux cleaned = 0.00158164 Jy ! Component: 3050 - total flux cleaned = 0.00151527 Jy ! Component: 3100 - total flux cleaned = 0.00155476 Jy ! Component: 3150 - total flux cleaned = 0.00148921 Jy ! Component: 3200 - total flux cleaned = 0.00154147 Jy ! Component: 3250 - total flux cleaned = 0.00152826 Jy ! Component: 3300 - total flux cleaned = 0.00148968 Jy ! Component: 3350 - total flux cleaned = 0.00154102 Jy ! Component: 3400 - total flux cleaned = 0.00147724 Jy ! Component: 3450 - total flux cleaned = 0.00147726 Jy ! Component: 3500 - total flux cleaned = 0.00141433 Jy ! Component: 3550 - total flux cleaned = 0.00147695 Jy ! Component: 3600 - total flux cleaned = 0.00142721 Jy ! Component: 3650 - total flux cleaned = 0.00140239 Jy ! Component: 3700 - total flux cleaned = 0.00143942 Jy ! Component: 3750 - total flux cleaned = 0.00141489 Jy ! Component: 3800 - total flux cleaned = 0.00143917 Jy ! Component: 3850 - total flux cleaned = 0.00137847 Jy ! Component: 3900 - total flux cleaned = 0.00137837 Jy ! Component: 3950 - total flux cleaned = 0.00133048 Jy ! Component: 4000 - total flux cleaned = 0.00134245 Jy ! Component: 4050 - total flux cleaned = 0.00133057 Jy ! Total flux subtracted in 4096 components = 0.00131872 Jy ! Clean residual min=-0.000786 max=0.000739 Jy/beam ! Clean residual mean=0.000002 rms=0.000222 Jy/beam ! Combined flux in latest and established models = 0.465319 Jy keep ! Adding 289 model components to the UV plane model. ! The established model now contains 575 components and 0.465319 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap J1821+3945_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.567 x 7.744 at 1.345 degrees (North through East) ! Clean map min=-0.0012321 max=0.24946 Jy/beam ! Writing clean map to FITS file: J1821+3945_S_map.fits wmodel J1821+3945_S_map.mod ! Writing 575 model components to file: J1821+3945_S_map.mod wobs J1821+3945_S_uvs.fits ! Writing UV FITS file: J1821+3945_S_uvs.fits wwins J1821+3945_S_map.win ! wwins: Wrote 9 windows to J1821+3945_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.249462 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00022143 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.266289 0.266289 0.532578 1.06516 2.13031 4.26062 8.52124 17.0425 34.085 68.1699 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.249 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1126.6 quit ! Quitting program ! Log file J1821+3945_S_dfm.log closed on Fri Feb 15 19:57:23 2019