! Started logfile: /vlbi/uf001/uva//J2020+2826_S_dfm.log on Mon Jan 14 05:26:51 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 /vlbi/uf001/uva//J2020+2826_S_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2020+2826_S_uva.fits ! AN table 1: 109 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.933333 visibilities/baseline/integration-bin. ! Found source: J2020+2826 ! ! There are 3 IFs, and a total of 3 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 ! ! Polarization(s): RR ! ! Read 44 lines of history. ! ! Reading 13734 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 3 channels. ! Selecting polarization: RR, channels: 1..3 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 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 J2020+2826_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 46 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 46 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 46 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.018554Jy sigma=22.871939 ! Fit after self-cal, rms=0.844256Jy sigma=19.249826 ! 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=2.733 mas, bmaj=5.604 mas, bpa=-1.874 degrees ! Estimated noise=0.418437 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 = 0.109613 Jy ! Component: 100 - total flux cleaned = 0.168071 Jy ! Total flux subtracted in 100 components = 0.168071 Jy ! Clean residual min=-0.014429 max=0.044036 Jy/beam ! Clean residual mean=-0.000015 rms=0.004529 Jy/beam ! Combined flux in latest and established models = 0.168071 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 27 components and 0.168071 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.139602Jy sigma=2.955339 ! Fit after self-cal, rms=0.137721Jy sigma=2.908625 ! Inverting map ! Added new window around map position (3.5, -0.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0449324 Jy ! Component: 100 - total flux cleaned = 0.0745427 Jy ! Total flux subtracted in 100 components = 0.0745427 Jy ! Clean residual min=-0.010549 max=0.028552 Jy/beam ! Clean residual mean=-0.000002 rms=0.003159 Jy/beam ! Combined flux in latest and established models = 0.242614 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 61 components and 0.242614 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.108341Jy sigma=2.254927 ! Fit after self-cal, rms=0.107815Jy sigma=2.239687 ! Inverting map ! Added new window around map position (-3.5, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0271319 Jy ! Component: 100 - total flux cleaned = 0.0476547 Jy ! Total flux subtracted in 100 components = 0.0476547 Jy ! Clean residual min=-0.008453 max=0.020178 Jy/beam ! Clean residual mean=0.000006 rms=0.002448 Jy/beam ! Combined flux in latest and established models = 0.290269 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 98 components and 0.290269 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.093225Jy sigma=1.915330 ! Fit after self-cal, rms=0.093123Jy sigma=1.912219 ! Inverting map ! Added new window around map position (7, -10). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0214431 Jy ! Component: 100 - total flux cleaned = 0.0376223 Jy ! Total flux subtracted in 100 components = 0.0376223 Jy ! Clean residual min=-0.006817 max=0.010257 Jy/beam ! Clean residual mean=0.000007 rms=0.001892 Jy/beam ! Combined flux in latest and established models = 0.327891 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 116 components and 0.327891 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.082901Jy sigma=1.691502 ! Fit after self-cal, rms=0.082663Jy sigma=1.686220 ! 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=3.386 mas, bmaj=6.52 mas, bpa=-2.564 degrees ! Estimated noise=0.274806 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 (2.5, -6.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0255763 Jy ! Component: 100 - total flux cleaned = 0.0450216 Jy ! Component: 150 - total flux cleaned = 0.0603466 Jy ! Component: 200 - total flux cleaned = 0.072691 Jy ! Total flux subtracted in 200 components = 0.072691 Jy ! Clean residual min=-0.006061 max=0.009102 Jy/beam ! Clean residual mean=0.000045 rms=0.002128 Jy/beam ! Combined flux in latest and established models = 0.400582 Jy ! Performing phase self-cal ! Adding 91 model components to the UV plane model. ! The established model now contains 184 components and 0.400582 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.069148Jy sigma=1.405665 ! Fit after self-cal, rms=0.068870Jy sigma=1.399218 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.386 x 6.52 at -2.564 degrees (North through East) ! Clean map min=-0.0062285 max=0.14186 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.06 HN 1.00 KP 0.91 ! LA 0.91 MK 1.11 NL 1.02 OV 1.04 ! PT 0.88 SC 1.06 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.06 HN 1.00 KP 0.92 ! LA 0.90 MK 1.10 NL 1.02 OV 1.09 ! PT 0.89 SC 1.09 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.02 HN 0.99 KP 0.92 ! LA 0.92 MK 1.11 NL 1.05 OV 1.05 ! PT 0.92 SC 1.08 ! ! ! Fit before self-cal, rms=0.068870Jy sigma=1.399218 ! Fit after self-cal, rms=0.065040Jy sigma=1.298341 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.495 mas, bmaj=6.682 mas, bpa=-2.59 degrees ! Estimated noise=0.27556 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 (19, -34.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00549558 Jy ! Component: 100 - total flux cleaned = 0.00749809 Jy ! Component: 150 - total flux cleaned = 0.00923314 Jy ! Component: 200 - total flux cleaned = 0.0104584 Jy ! Total flux subtracted in 200 components = 0.0104584 Jy ! Clean residual min=-0.004841 max=0.004628 Jy/beam ! Clean residual mean=0.000022 rms=0.001220 Jy/beam ! Combined flux in latest and established models = 0.41104 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 218 components and 0.41104 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.064172Jy sigma=1.277073 ! Fit after self-cal, rms=0.064069Jy sigma=1.274865 ! 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. ! ! Fit before self-cal, rms=0.064069Jy sigma=1.274865 ! Fit after self-cal, rms=0.060018Jy sigma=1.208495 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.512 mas, bmaj=6.702 mas, bpa=-2.611 degrees ! Estimated noise=0.276651 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00292903 Jy ! Component: 100 - total flux cleaned = 0.0044401 Jy ! Component: 150 - total flux cleaned = 0.005203 Jy ! Component: 200 - total flux cleaned = 0.00581647 Jy ! Total flux subtracted in 200 components = 0.00581647 Jy ! Clean residual min=-0.002677 max=0.003944 Jy/beam ! Clean residual mean=0.000010 rms=0.000746 Jy/beam ! Combined flux in latest and established models = 0.416857 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 240 components and 0.416857 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059826Jy sigma=1.203977 ! Fit after self-cal, rms=0.059824Jy sigma=1.203292 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 (12, -12.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00343876 Jy ! Component: 100 - total flux cleaned = 0.00439708 Jy ! Component: 150 - total flux cleaned = 0.00498435 Jy ! Component: 200 - total flux cleaned = 0.00522606 Jy ! Total flux subtracted in 200 components = 0.00522606 Jy ! Clean residual min=-0.002374 max=0.002838 Jy/beam ! Clean residual mean=0.000007 rms=0.000680 Jy/beam ! Combined flux in latest and established models = 0.422083 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 271 components and 0.422083 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059626Jy sigma=1.197825 ! Fit after self-cal, rms=0.059610Jy sigma=1.197468 ! 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. ! ! Fit before self-cal, rms=0.059610Jy sigma=1.197468 ! Fit after self-cal, rms=0.059260Jy sigma=1.196397 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.507 mas, bmaj=6.715 mas, bpa=-2.668 degrees ! Estimated noise=0.275918 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00184049 Jy ! Component: 100 - total flux cleaned = 0.00296202 Jy ! Component: 150 - total flux cleaned = 0.00387213 Jy ! Component: 200 - total flux cleaned = 0.00451892 Jy ! Total flux subtracted in 200 components = 0.00451892 Jy ! Clean residual min=-0.002228 max=0.002560 Jy/beam ! Clean residual mean=0.000009 rms=0.000636 Jy/beam ! Combined flux in latest and established models = 0.426602 Jy selfcal ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 293 components and 0.426602 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059172Jy sigma=1.194128 ! Fit after self-cal, rms=0.059162Jy sigma=1.194021 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 = 0.000576273 Jy ! Component: 100 - total flux cleaned = 0.00111188 Jy ! Component: 150 - total flux cleaned = 0.00153665 Jy ! Component: 200 - total flux cleaned = 0.00183315 Jy ! Total flux subtracted in 200 components = 0.00183315 Jy ! Clean residual min=-0.002114 max=0.002575 Jy/beam ! Clean residual mean=0.000008 rms=0.000622 Jy/beam ! Combined flux in latest and established models = 0.428435 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 300 components and 0.428435 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059120Jy sigma=1.193042 ! Fit after self-cal, rms=0.059116Jy sigma=1.193004 ! 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. ! ! Fit before self-cal, rms=0.059116Jy sigma=1.193004 ! Fit after self-cal, rms=0.058838Jy sigma=1.192533 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.266 mas, bmaj=10.04 mas, bpa=-5.551 degrees ! Estimated noise=0.340679 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00202527 Jy ! Component: 100 - total flux cleaned = 0.00352468 Jy ! Component: 150 - total flux cleaned = 0.00470409 Jy ! Component: 200 - total flux cleaned = 0.00539692 Jy ! Total flux subtracted in 200 components = 0.00539692 Jy ! Clean residual min=-0.003279 max=0.003623 Jy/beam ! Clean residual mean=0.000015 rms=0.000950 Jy/beam ! Combined flux in latest and established models = 0.433832 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 327 components and 0.433832 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.058806Jy sigma=1.191596 ! Fit after self-cal, rms=0.058798Jy sigma=1.191491 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 = 0.000636402 Jy ! Component: 100 - total flux cleaned = 0.000982037 Jy ! Component: 150 - total flux cleaned = 0.00129026 Jy ! Component: 200 - total flux cleaned = 0.00154307 Jy ! Total flux subtracted in 200 components = 0.00154307 Jy ! Clean residual min=-0.003154 max=0.003600 Jy/beam ! Clean residual mean=0.000013 rms=0.000930 Jy/beam ! Combined flux in latest and established models = 0.435375 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 339 components and 0.435375 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.058790Jy sigma=1.191205 ! Fit after self-cal, rms=0.058788Jy sigma=1.191177 ! 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=3.501 mas, bmaj=6.733 mas, bpa=-2.667 degrees ! Estimated noise=0.275222 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.501 x 6.733 at -2.667 degrees (North through East) ! Clean map min=-0.0028281 max=0.13906 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=2.828 mas, bmaj=5.762 mas, bpa=-2.272 degrees ! Estimated noise=0.42739 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.1128 Jy ! Component: 100 - total flux cleaned = 0.175871 Jy ! Component: 150 - total flux cleaned = 0.215719 Jy ! Component: 200 - total flux cleaned = 0.246016 Jy ! Total flux subtracted in 200 components = 0.246016 Jy ! Clean residual min=-0.009357 max=0.018224 Jy/beam ! Clean residual mean=0.000001 rms=0.002801 Jy/beam ! Combined flux in latest and established models = 0.246016 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 66 model components to the UV plane model. ! The established model now contains 66 components and 0.246016 Jy ! Inverting map and beam ! Estimated beam: bmin=3.501 mas, bmaj=6.733 mas, bpa=-2.667 degrees ! Estimated noise=0.275222 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 = 0.0413732 Jy ! Component: 100 - total flux cleaned = 0.0710835 Jy ! Component: 150 - total flux cleaned = 0.0932402 Jy ! Component: 200 - total flux cleaned = 0.110096 Jy ! Total flux subtracted in 200 components = 0.110096 Jy ! Clean residual min=-0.006115 max=0.009804 Jy/beam ! Clean residual mean=0.000027 rms=0.001835 Jy/beam ! Combined flux in latest and established models = 0.356111 Jy ! Adding 92 model components to the UV plane model. ! The established model now contains 137 components and 0.356111 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.013044 Jy ! Component: 100 - total flux cleaned = 0.0233246 Jy ! Component: 150 - total flux cleaned = 0.0315816 Jy ! Component: 200 - total flux cleaned = 0.0383459 Jy ! Total flux subtracted in 200 components = 0.0383459 Jy ! Clean residual min=-0.003677 max=0.004103 Jy/beam ! Clean residual mean=0.000020 rms=0.001057 Jy/beam ! Combined flux in latest and established models = 0.394457 Jy ! Adding 75 model components to the UV plane model. ! The established model now contains 199 components and 0.394457 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=7.266 mas, bmaj=10.04 mas, bpa=-5.551 degrees ! Estimated noise=0.340679 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00995364 Jy ! Component: 100 - total flux cleaned = 0.0170251 Jy ! Component: 150 - total flux cleaned = 0.0223412 Jy ! Component: 200 - total flux cleaned = 0.0264785 Jy ! Total flux subtracted in 200 components = 0.0264785 Jy ! Clean residual min=-0.004295 max=0.003877 Jy/beam ! Clean residual mean=0.000026 rms=0.001188 Jy/beam ! Combined flux in latest and established models = 0.420936 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 = 0.00279977 Jy ! Component: 100 - total flux cleaned = 0.0046753 Jy ! Component: 150 - total flux cleaned = 0.0061833 Jy ! Component: 200 - total flux cleaned = 0.007558 Jy ! Total flux subtracted in 200 components = 0.007558 Jy ! Clean residual min=-0.003654 max=0.003550 Jy/beam ! Clean residual mean=0.000019 rms=0.001017 Jy/beam ! Combined flux in latest and established models = 0.428494 Jy ! Adding 138 model components to the UV plane model. ! The established model now contains 313 components and 0.428494 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.501 mas, bmaj=6.733 mas, bpa=-2.667 degrees ! Estimated noise=0.275222 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00144173 Jy ! Component: 100 - total flux cleaned = 0.00247187 Jy ! Component: 150 - total flux cleaned = 0.0031607 Jy ! Component: 200 - total flux cleaned = 0.0036381 Jy ! Total flux subtracted in 200 components = 0.0036381 Jy ! Clean residual min=-0.002273 max=0.002431 Jy/beam ! Clean residual mean=0.000009 rms=0.000626 Jy/beam ! Combined flux in latest and established models = 0.432132 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 346 components and 0.432132 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.058899Jy sigma=1.194320 ! Fit after self-cal, rms=0.058869Jy sigma=1.193620 wmodel J2020+2826_S_map.mod ! Writing 346 model components to file: J2020+2826_S_map.mod wobs J2020+2826_S_uvs.fits ! Writing UV FITS file: J2020+2826_S_uvs.fits wwins J2020+2826_S_map.win ! wwins: Wrote 7 windows to J2020+2826_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 = 0.00083203 Jy ! Component: 100 - total flux cleaned = 0.00148061 Jy ! Component: 150 - total flux cleaned = 0.00224584 Jy ! Component: 200 - total flux cleaned = 0.002834 Jy ! Component: 250 - total flux cleaned = 0.00315315 Jy ! Component: 300 - total flux cleaned = 0.0032905 Jy ! Component: 350 - total flux cleaned = 0.0035576 Jy ! Component: 400 - total flux cleaned = 0.00384998 Jy ! Component: 450 - total flux cleaned = 0.0041045 Jy ! Component: 500 - total flux cleaned = 0.004384 Jy ! Component: 550 - total flux cleaned = 0.00462635 Jy ! Component: 600 - total flux cleaned = 0.00483414 Jy ! Component: 650 - total flux cleaned = 0.00495046 Jy ! Component: 700 - total flux cleaned = 0.00500693 Jy ! Component: 750 - total flux cleaned = 0.00503482 Jy ! Component: 800 - total flux cleaned = 0.00503513 Jy ! Component: 850 - total flux cleaned = 0.00519694 Jy ! Component: 900 - total flux cleaned = 0.00519663 Jy ! Component: 950 - total flux cleaned = 0.00530049 Jy ! Component: 1000 - total flux cleaned = 0.00532663 Jy ! Component: 1050 - total flux cleaned = 0.00545205 Jy ! Component: 1100 - total flux cleaned = 0.00547746 Jy ! Component: 1150 - total flux cleaned = 0.00567225 Jy ! Component: 1200 - total flux cleaned = 0.0056725 Jy ! Component: 1250 - total flux cleaned = 0.00576744 Jy ! Component: 1300 - total flux cleaned = 0.00576721 Jy ! Component: 1350 - total flux cleaned = 0.00579068 Jy ! Component: 1400 - total flux cleaned = 0.00588139 Jy ! Component: 1450 - total flux cleaned = 0.00592601 Jy ! Component: 1500 - total flux cleaned = 0.00594818 Jy ! Component: 1550 - total flux cleaned = 0.00590506 Jy ! Component: 1600 - total flux cleaned = 0.00599087 Jy ! Component: 1650 - total flux cleaned = 0.00601184 Jy ! Component: 1700 - total flux cleaned = 0.00601161 Jy ! Component: 1750 - total flux cleaned = 0.00601138 Jy ! Component: 1800 - total flux cleaned = 0.00607193 Jy ! Component: 1850 - total flux cleaned = 0.00605149 Jy ! Component: 1900 - total flux cleaned = 0.00607084 Jy ! Component: 1950 - total flux cleaned = 0.00595366 Jy ! Component: 2000 - total flux cleaned = 0.00601234 Jy ! Component: 2050 - total flux cleaned = 0.00599357 Jy ! Component: 2100 - total flux cleaned = 0.00599387 Jy ! Component: 2150 - total flux cleaned = 0.00595655 Jy ! Component: 2200 - total flux cleaned = 0.00599376 Jy ! Component: 2250 - total flux cleaned = 0.00599382 Jy ! Component: 2300 - total flux cleaned = 0.00601204 Jy ! Component: 2350 - total flux cleaned = 0.00597614 Jy ! Component: 2400 - total flux cleaned = 0.00601169 Jy ! Component: 2450 - total flux cleaned = 0.00606408 Jy ! Component: 2500 - total flux cleaned = 0.00602933 Jy ! Component: 2550 - total flux cleaned = 0.00601245 Jy ! Component: 2600 - total flux cleaned = 0.00606382 Jy ! Component: 2650 - total flux cleaned = 0.0061148 Jy ! Component: 2700 - total flux cleaned = 0.00614829 Jy ! Component: 2750 - total flux cleaned = 0.00614815 Jy ! Component: 2800 - total flux cleaned = 0.0061319 Jy ! Component: 2850 - total flux cleaned = 0.00614807 Jy ! Component: 2900 - total flux cleaned = 0.0061964 Jy ! Component: 2950 - total flux cleaned = 0.00621233 Jy ! Component: 3000 - total flux cleaned = 0.00621249 Jy ! Component: 3050 - total flux cleaned = 0.00622786 Jy ! Component: 3100 - total flux cleaned = 0.00622813 Jy ! Component: 3150 - total flux cleaned = 0.00625901 Jy ! Component: 3200 - total flux cleaned = 0.00627407 Jy ! Component: 3250 - total flux cleaned = 0.00625892 Jy ! Component: 3300 - total flux cleaned = 0.00627389 Jy ! Component: 3350 - total flux cleaned = 0.00631815 Jy ! Component: 3400 - total flux cleaned = 0.00634728 Jy ! Component: 3450 - total flux cleaned = 0.00634702 Jy ! Component: 3500 - total flux cleaned = 0.00636128 Jy ! Component: 3550 - total flux cleaned = 0.00636119 Jy ! Component: 3600 - total flux cleaned = 0.00641782 Jy ! Component: 3650 - total flux cleaned = 0.00638969 Jy ! Component: 3700 - total flux cleaned = 0.00638976 Jy ! Component: 3750 - total flux cleaned = 0.00643129 Jy ! Component: 3800 - total flux cleaned = 0.00644503 Jy ! Component: 3850 - total flux cleaned = 0.00641787 Jy ! Component: 3900 - total flux cleaned = 0.00643151 Jy ! Component: 3950 - total flux cleaned = 0.00645832 Jy ! Component: 4000 - total flux cleaned = 0.00648485 Jy ! Component: 4050 - total flux cleaned = 0.00645846 Jy ! Total flux subtracted in 4096 components = 0.00649768 Jy ! Clean residual min=-0.000853 max=0.000864 Jy/beam ! Clean residual mean=0.000003 rms=0.000255 Jy/beam ! Combined flux in latest and established models = 0.43863 Jy keep ! Adding 330 model components to the UV plane model. ! The established model now contains 676 components and 0.43863 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2020+2826_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.501 x 6.733 at -2.667 degrees (North through East) ! Clean map min=-0.0021426 max=0.13992 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2020+2826_S_map.fits wmodel /vlbi/uf001/uva//J2020+2826_S_map.mod ! Writing 676 model components to file: /vlbi/uf001/uva//J2020+2826_S_map.mod wobs /vlbi/uf001/uva//J2020+2826_S_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2020+2826_S_uvs.fits wwins /vlbi/uf001/uva//J2020+2826_S_map.win ! wwins: Wrote 8 windows to /vlbi/uf001/uva//J2020+2826_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.139918 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000252404 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.541184 0.541184 1.08237 2.16474 4.32947 8.65895 17.3179 34.6358 69.2716 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.139 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 554.339 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2020+2826_S_dfm.log closed on Mon Jan 14 05:26:56 2019