! Started logfile: /vlbi/uf001/uvm//J2020+294A_S_a_dfm.log on Sun Jan 13 22:28:03 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/uvm//J2020+294A_S_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J2020+294A_S_a_uvm.fits ! AN table 1: 165 integrations on 36 of 36 possible baselines. ! AN table 2: 74 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.647778 visibilities/baseline/integration-bin. ! Found source: J2020+294A ! ! 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 15570 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+294A_S_a] 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 621 telescope corrections were flagged in sub-array 1. ! A total of 16 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 621 telescope corrections were flagged in sub-array 1. ! A total of 16 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 621 telescope corrections were flagged in sub-array 1. ! A total of 16 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.085989Jy sigma=21.576008 ! Fit after self-cal, rms=0.816053Jy sigma=17.629107 ! 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=2.722 mas, bmaj=5.423 mas, bpa=-12.58 degrees ! Estimated noise=0.460892 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 = 0.150636 Jy ! Component: 100 - total flux cleaned = 0.240022 Jy ! Total flux subtracted in 100 components = 0.240022 Jy ! Clean residual min=-0.029422 max=0.068445 Jy/beam ! Clean residual mean=0.000265 rms=0.008684 Jy/beam ! Combined flux in latest and established models = 0.240022 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 30 components and 0.240022 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.308381Jy sigma=4.527080 ! Fit after self-cal, rms=0.307414Jy sigma=4.505832 ! Inverting map ! Added new window around map position (-5, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0712029 Jy ! Component: 100 - total flux cleaned = 0.126139 Jy ! Total flux subtracted in 100 components = 0.126139 Jy ! Clean residual min=-0.025760 max=0.056418 Jy/beam ! Clean residual mean=0.000245 rms=0.007315 Jy/beam ! Combined flux in latest and established models = 0.366161 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 71 components and 0.366161 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.265600Jy sigma=3.852273 ! Fit after self-cal, rms=0.264885Jy sigma=3.828711 ! Inverting map ! Added new window around map position (5, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0540094 Jy ! Component: 100 - total flux cleaned = 0.0984171 Jy ! Total flux subtracted in 100 components = 0.0984171 Jy ! Clean residual min=-0.022362 max=0.033368 Jy/beam ! Clean residual mean=0.000228 rms=0.006297 Jy/beam ! Combined flux in latest and established models = 0.464578 Jy ! Performing phase self-cal ! Adding 52 model components to the UV plane model. ! The established model now contains 118 components and 0.464578 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.236489Jy sigma=3.393429 ! Fit after self-cal, rms=0.236245Jy sigma=3.389827 ! 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=3.235 mas, bmaj=6.343 mas, bpa=-12.22 degrees ! Estimated noise=0.28636 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 = 0.0614025 Jy ! Component: 100 - total flux cleaned = 0.112039 Jy ! Component: 150 - total flux cleaned = 0.155176 Jy ! Component: 200 - total flux cleaned = 0.192312 Jy ! Total flux subtracted in 200 components = 0.192312 Jy ! Clean residual min=-0.024981 max=0.040944 Jy/beam ! Clean residual mean=0.000205 rms=0.006596 Jy/beam ! Combined flux in latest and established models = 0.656891 Jy ! Performing phase self-cal ! Adding 104 model components to the UV plane model. ! The established model now contains 200 components and 0.65689 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.192039Jy sigma=2.799546 ! Fit after self-cal, rms=0.191562Jy sigma=2.791085 ! Inverting map ! Added new window around map position (-10.5, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0403074 Jy ! Component: 100 - total flux cleaned = 0.0720452 Jy ! Component: 150 - total flux cleaned = 0.100181 Jy ! Component: 200 - total flux cleaned = 0.125469 Jy ! Total flux subtracted in 200 components = 0.125469 Jy ! Clean residual min=-0.019915 max=0.021654 Jy/beam ! Clean residual mean=0.000184 rms=0.005497 Jy/beam ! Combined flux in latest and established models = 0.782359 Jy ! Performing phase self-cal ! Adding 102 model components to the UV plane model. ! The established model now contains 286 components and 0.782359 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.168931Jy sigma=2.487577 ! Fit after self-cal, rms=0.168408Jy sigma=2.476077 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.235 x 6.343 at -12.22 degrees (North through East) ! Clean map min=-0.019407 max=0.18981 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.23 HN 0.93 KP 0.91 LA 0.77 ! MK 1.29 NL 1.44 OV 1.19 PT 0.63 ! SC 1.36 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.88 HN 1.00 KP 0.77 ! LA 0.85 MK 0.76 NL 1.25 OV 1.11 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.20 HN 0.93 KP 0.95 LA 0.78 ! MK 1.13 NL 1.33 OV 1.07 PT 0.71 ! SC 0.83 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.92 HN 0.91 KP 0.80 ! LA 0.89 MK 0.78 NL 1.52 OV 1.08 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 HN 0.97 KP 0.89 LA 0.87 ! MK 1.08 NL 1.12 OV 1.05 PT 0.75 ! SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.94 HN 1.00 KP 0.80 ! LA 0.95 MK 0.83 NL 1.38 OV 1.21 ! ! ! Fit before self-cal, rms=0.168408Jy sigma=2.476077 ! Fit after self-cal, rms=0.114851Jy sigma=1.976780 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.239 mas, bmaj=6.424 mas, bpa=-12.97 degrees ! Estimated noise=0.27484 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 = 0.0125823 Jy ! Component: 100 - total flux cleaned = 0.0212506 Jy ! Component: 150 - total flux cleaned = 0.0279408 Jy ! Component: 200 - total flux cleaned = 0.0327594 Jy ! Total flux subtracted in 200 components = 0.0327594 Jy ! Clean residual min=-0.010980 max=0.016473 Jy/beam ! Clean residual mean=0.000054 rms=0.003543 Jy/beam ! Combined flux in latest and established models = 0.815118 Jy ! Performing phase self-cal ! Adding 61 model components to the UV plane model. ! The established model now contains 340 components and 0.815118 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.112685Jy sigma=1.929913 ! Fit after self-cal, rms=0.113068Jy sigma=1.921482 ! 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=0.113068Jy sigma=1.921482 ! Fit after self-cal, rms=0.105444Jy sigma=1.710249 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.257 mas, bmaj=6.662 mas, bpa=-12.94 degrees ! Estimated noise=0.268234 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00806838 Jy ! Component: 100 - total flux cleaned = 0.0129886 Jy ! Component: 150 - total flux cleaned = 0.0168661 Jy ! Component: 200 - total flux cleaned = 0.0201495 Jy ! Total flux subtracted in 200 components = 0.0201495 Jy ! Clean residual min=-0.009196 max=0.015251 Jy/beam ! Clean residual mean=0.000018 rms=0.002692 Jy/beam ! Combined flux in latest and established models = 0.835268 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 357 components and 0.835268 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.104387Jy sigma=1.684380 ! Fit after self-cal, rms=0.104333Jy sigma=1.681593 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 (-4, 24.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0148705 Jy ! Component: 100 - total flux cleaned = 0.0228012 Jy ! Component: 150 - total flux cleaned = 0.0264748 Jy ! Component: 200 - total flux cleaned = 0.0295241 Jy ! Total flux subtracted in 200 components = 0.0295241 Jy ! Clean residual min=-0.008793 max=0.011756 Jy/beam ! Clean residual mean=0.000012 rms=0.002444 Jy/beam ! Combined flux in latest and established models = 0.864792 Jy ! Performing phase self-cal ! Adding 52 model components to the UV plane model. ! The established model now contains 403 components and 0.864792 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.101077Jy sigma=1.630848 ! Fit after self-cal, rms=0.100842Jy sigma=1.624678 ! Inverting map ! Added new window around map position (68, -44.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0106618 Jy ! Component: 100 - total flux cleaned = 0.0172774 Jy ! Component: 150 - total flux cleaned = 0.022456 Jy ! Component: 200 - total flux cleaned = 0.0266589 Jy ! Total flux subtracted in 200 components = 0.0266589 Jy ! Clean residual min=-0.007860 max=0.009359 Jy/beam ! Clean residual mean=0.000009 rms=0.002267 Jy/beam ! Combined flux in latest and established models = 0.891451 Jy ! Performing phase self-cal ! Adding 52 model components to the UV plane model. ! The established model now contains 438 components and 0.891451 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.099081Jy sigma=1.588686 ! Fit after self-cal, rms=0.098861Jy sigma=1.583620 ! 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=0.098861Jy sigma=1.583620 ! Fit after self-cal, rms=0.093164Jy sigma=1.569250 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.255 mas, bmaj=6.628 mas, bpa=-12.06 degrees ! Estimated noise=0.261797 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00605448 Jy ! Component: 100 - total flux cleaned = 0.011083 Jy ! Component: 150 - total flux cleaned = 0.0156061 Jy ! Component: 200 - total flux cleaned = 0.0197595 Jy ! Total flux subtracted in 200 components = 0.0197595 Jy ! Clean residual min=-0.007448 max=0.008951 Jy/beam ! Clean residual mean=0.000012 rms=0.002069 Jy/beam ! Combined flux in latest and established models = 0.91121 Jy selfcal ! Performing phase self-cal ! Adding 78 model components to the UV plane model. ! The established model now contains 481 components and 0.91121 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.092378Jy sigma=1.549849 ! Fit after self-cal, rms=0.092283Jy sigma=1.548668 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 (46.5, 67.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00882141 Jy ! Component: 100 - total flux cleaned = 0.0131826 Jy ! Component: 150 - total flux cleaned = 0.01605 Jy ! Component: 200 - total flux cleaned = 0.0183426 Jy ! Total flux subtracted in 200 components = 0.0183426 Jy ! Clean residual min=-0.007081 max=0.007844 Jy/beam ! Clean residual mean=0.000014 rms=0.001936 Jy/beam ! Combined flux in latest and established models = 0.929553 Jy ! Performing phase self-cal ! Adding 47 model components to the UV plane model. ! The established model now contains 519 components and 0.929553 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.091116Jy sigma=1.521169 ! Fit after self-cal, rms=0.091016Jy sigma=1.519126 ! 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=0.091016Jy sigma=1.519126 ! Fit after self-cal, rms=0.090031Jy sigma=1.516343 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=6.434 mas, bmaj=9.105 mas, bpa=-10.51 degrees ! Estimated noise=0.364342 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00844211 Jy ! Component: 100 - total flux cleaned = 0.0148578 Jy ! Component: 150 - total flux cleaned = 0.0194323 Jy ! Component: 200 - total flux cleaned = 0.0231299 Jy ! Total flux subtracted in 200 components = 0.0231299 Jy ! Clean residual min=-0.012198 max=0.012284 Jy/beam ! Clean residual mean=0.000027 rms=0.003357 Jy/beam ! Combined flux in latest and established models = 0.952682 Jy selfcal ! Performing phase self-cal ! Adding 55 model components to the UV plane model. ! The established model now contains 553 components and 0.952683 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.089457Jy sigma=1.505248 ! Fit after self-cal, rms=0.089456Jy sigma=1.503405 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 = 0.00496059 Jy ! Component: 100 - total flux cleaned = 0.008248 Jy ! Component: 150 - total flux cleaned = 0.0112684 Jy ! Component: 200 - total flux cleaned = 0.0140701 Jy ! Total flux subtracted in 200 components = 0.0140701 Jy ! Clean residual min=-0.011994 max=0.011979 Jy/beam ! Clean residual mean=0.000021 rms=0.003251 Jy/beam ! Combined flux in latest and established models = 0.966753 Jy ! Performing phase self-cal ! Adding 63 model components to the UV plane model. ! The established model now contains 589 components and 0.966753 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.089219Jy sigma=1.501015 ! Fit after self-cal, rms=0.089201Jy sigma=1.500246 ! 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=3.261 mas, bmaj=6.629 mas, bpa=-11.89 degrees ! Estimated noise=0.261005 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.261 x 6.629 at -11.89 degrees (North through East) ! Clean map min=-0.0068518 max=0.17752 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=2.76 mas, bmaj=5.755 mas, bpa=-12.16 degrees ! Estimated noise=0.422013 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.137667 Jy ! Component: 100 - total flux cleaned = 0.224045 Jy ! Component: 150 - total flux cleaned = 0.287659 Jy ! Component: 200 - total flux cleaned = 0.339142 Jy ! Total flux subtracted in 200 components = 0.339142 Jy ! Clean residual min=-0.023543 max=0.031562 Jy/beam ! Clean residual mean=0.000178 rms=0.005947 Jy/beam ! Combined flux in latest and established models = 0.339142 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 88 model components to the UV plane model. ! The established model now contains 88 components and 0.339142 Jy ! Inverting map and beam ! Estimated beam: bmin=3.261 mas, bmaj=6.629 mas, bpa=-11.89 degrees ! Estimated noise=0.261005 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 = 0.0698816 Jy ! Component: 100 - total flux cleaned = 0.125053 Jy ! Component: 150 - total flux cleaned = 0.171003 Jy ! Component: 200 - total flux cleaned = 0.210132 Jy ! Total flux subtracted in 200 components = 0.210132 Jy ! Clean residual min=-0.022773 max=0.024129 Jy/beam ! Clean residual mean=0.000122 rms=0.005258 Jy/beam ! Combined flux in latest and established models = 0.549273 Jy ! Adding 117 model components to the UV plane model. ! The established model now contains 182 components and 0.549273 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0336789 Jy ! Component: 100 - total flux cleaned = 0.0628472 Jy ! Component: 150 - total flux cleaned = 0.0882366 Jy ! Component: 200 - total flux cleaned = 0.110575 Jy ! Total flux subtracted in 200 components = 0.110575 Jy ! Clean residual min=-0.016677 max=0.014069 Jy/beam ! Clean residual mean=0.000085 rms=0.003850 Jy/beam ! Combined flux in latest and established models = 0.659848 Jy ! Adding 80 model components to the UV plane model. ! The established model now contains 244 components and 0.659848 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=6.434 mas, bmaj=9.105 mas, bpa=-10.51 degrees ! Estimated noise=0.364342 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0430081 Jy ! Component: 100 - total flux cleaned = 0.0770158 Jy ! Component: 150 - total flux cleaned = 0.105316 Jy ! Component: 200 - total flux cleaned = 0.129218 Jy ! Total flux subtracted in 200 components = 0.129218 Jy ! Clean residual min=-0.022854 max=0.019331 Jy/beam ! Clean residual mean=0.000117 rms=0.005289 Jy/beam ! Combined flux in latest and established models = 0.789066 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 = 0.020607 Jy ! Component: 100 - total flux cleaned = 0.038639 Jy ! Component: 150 - total flux cleaned = 0.0546048 Jy ! Component: 200 - total flux cleaned = 0.0688941 Jy ! Total flux subtracted in 200 components = 0.0688941 Jy ! Clean residual min=-0.016533 max=0.015779 Jy/beam ! Clean residual mean=0.000077 rms=0.004243 Jy/beam ! Combined flux in latest and established models = 0.85796 Jy ! Adding 161 model components to the UV plane model. ! The established model now contains 364 components and 0.85796 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.261 mas, bmaj=6.629 mas, bpa=-11.89 degrees ! Estimated noise=0.261005 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00919369 Jy ! Component: 100 - total flux cleaned = 0.0170236 Jy ! Component: 150 - total flux cleaned = 0.0241974 Jy ! Component: 200 - total flux cleaned = 0.0303145 Jy ! Total flux subtracted in 200 components = 0.0303145 Jy ! Clean residual min=-0.008062 max=0.008629 Jy/beam ! Clean residual mean=0.000027 rms=0.002141 Jy/beam ! Combined flux in latest and established models = 0.888275 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 399 components and 0.888275 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.092756Jy sigma=1.575928 ! Fit after self-cal, rms=0.092406Jy sigma=1.564852 wmodel J2020+294A_S_a_map.mod ! Writing 399 model components to file: J2020+294A_S_a_map.mod wobs J2020+294A_S_a_uvs.fits ! Writing UV FITS file: J2020+294A_S_a_uvs.fits wwins J2020+294A_S_a_map.win ! wwins: Wrote 7 windows to J2020+294A_S_a_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 = 0.00108424 Jy ! Component: 100 - total flux cleaned = 0.000816757 Jy ! Component: 150 - total flux cleaned = -8.77096e-05 Jy ! Component: 200 - total flux cleaned = -0.000459636 Jy ! Component: 250 - total flux cleaned = -0.000939907 Jy ! Component: 300 - total flux cleaned = -0.00163881 Jy ! Component: 350 - total flux cleaned = -0.00242982 Jy ! Component: 400 - total flux cleaned = -0.00341653 Jy ! Component: 450 - total flux cleaned = -0.00405603 Jy ! Component: 500 - total flux cleaned = -0.00458048 Jy ! Component: 550 - total flux cleaned = -0.00519856 Jy ! Component: 600 - total flux cleaned = -0.00580428 Jy ! Component: 650 - total flux cleaned = -0.00639907 Jy ! Component: 700 - total flux cleaned = -0.00679062 Jy ! Component: 750 - total flux cleaned = -0.00765117 Jy ! Component: 800 - total flux cleaned = -0.00783932 Jy ! Component: 850 - total flux cleaned = -0.00848756 Jy ! Component: 900 - total flux cleaned = -0.00894366 Jy ! Component: 950 - total flux cleaned = -0.00939351 Jy ! Component: 1000 - total flux cleaned = -0.00992425 Jy ! Component: 1050 - total flux cleaned = -0.0102763 Jy ! Component: 1100 - total flux cleaned = -0.0113082 Jy ! Component: 1150 - total flux cleaned = -0.0117315 Jy ! Component: 1200 - total flux cleaned = -0.01215 Jy ! Component: 1250 - total flux cleaned = -0.0128936 Jy ! Component: 1300 - total flux cleaned = -0.0135448 Jy ! Component: 1350 - total flux cleaned = -0.0138652 Jy ! Component: 1400 - total flux cleaned = -0.0143415 Jy ! Component: 1450 - total flux cleaned = -0.0150481 Jy ! Component: 1500 - total flux cleaned = -0.0155893 Jy ! Component: 1550 - total flux cleaned = -0.0161257 Jy ! Component: 1600 - total flux cleaned = -0.0171087 Jy ! Component: 1650 - total flux cleaned = -0.0177057 Jy ! Component: 1700 - total flux cleaned = -0.0184439 Jy ! Component: 1750 - total flux cleaned = -0.0191011 Jy ! Component: 1800 - total flux cleaned = -0.0193904 Jy ! Component: 1850 - total flux cleaned = -0.0198912 Jy ! Component: 1900 - total flux cleaned = -0.0206682 Jy ! Component: 1950 - total flux cleaned = -0.0211572 Jy ! Component: 2000 - total flux cleaned = -0.0217793 Jy ! Component: 2050 - total flux cleaned = -0.0220523 Jy ! Component: 2100 - total flux cleaned = -0.0227299 Jy ! Component: 2150 - total flux cleaned = -0.0232645 Jy ! Component: 2200 - total flux cleaned = -0.0235967 Jy ! Component: 2250 - total flux cleaned = -0.0239903 Jy ! Component: 2300 - total flux cleaned = -0.0245103 Jy ! Component: 2350 - total flux cleaned = -0.0249616 Jy ! Component: 2400 - total flux cleaned = -0.0253453 Jy ! Component: 2450 - total flux cleaned = -0.0257868 Jy ! Component: 2500 - total flux cleaned = -0.0260368 Jy ! Component: 2550 - total flux cleaned = -0.0262851 Jy ! Component: 2600 - total flux cleaned = -0.0265923 Jy ! Component: 2650 - total flux cleaned = -0.0267748 Jy ! Component: 2700 - total flux cleaned = -0.0270786 Jy ! Component: 2750 - total flux cleaned = -0.027558 Jy ! Component: 2800 - total flux cleaned = -0.0276172 Jy ! Component: 2850 - total flux cleaned = -0.0281491 Jy ! Component: 2900 - total flux cleaned = -0.028558 Jy ! Component: 2950 - total flux cleaned = -0.0286158 Jy ! Component: 3000 - total flux cleaned = -0.0289616 Jy ! Component: 3050 - total flux cleaned = -0.0290763 Jy ! Component: 3100 - total flux cleaned = -0.0296429 Jy ! Component: 3150 - total flux cleaned = -0.0297553 Jy ! Component: 3200 - total flux cleaned = -0.0300337 Jy ! Component: 3250 - total flux cleaned = -0.0304207 Jy ! Component: 3300 - total flux cleaned = -0.0305853 Jy ! Component: 3350 - total flux cleaned = -0.0306939 Jy ! Component: 3400 - total flux cleaned = -0.0309648 Jy ! Component: 3450 - total flux cleaned = -0.0313406 Jy ! Component: 3500 - total flux cleaned = -0.0316067 Jy ! Component: 3550 - total flux cleaned = -0.0316071 Jy ! Component: 3600 - total flux cleaned = -0.031607 Jy ! Component: 3650 - total flux cleaned = -0.0319202 Jy ! Component: 3700 - total flux cleaned = -0.0320757 Jy ! Component: 3750 - total flux cleaned = -0.0321786 Jy ! Component: 3800 - total flux cleaned = -0.0325371 Jy ! Component: 3850 - total flux cleaned = -0.032537 Jy ! Component: 3900 - total flux cleaned = -0.0327391 Jy ! Component: 3950 - total flux cleaned = -0.0328891 Jy ! Component: 4000 - total flux cleaned = -0.0331869 Jy ! Component: 4050 - total flux cleaned = -0.0329884 Jy ! Total flux subtracted in 4096 components = -0.0329881 Jy ! Clean residual min=-0.002804 max=0.002829 Jy/beam ! Clean residual mean=0.000017 rms=0.001056 Jy/beam ! Combined flux in latest and established models = 0.855287 Jy keep ! Adding 431 model components to the UV plane model. ! The established model now contains 830 components and 0.855288 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J2020+294A_S_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.261 x 6.629 at -11.89 degrees (North through East) ! Clean map min=-0.0065455 max=0.17916 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J2020+294A_S_a_map.fits wmodel /vlbi/uf001/uvm//J2020+294A_S_a_map.mod ! Writing 830 model components to file: /vlbi/uf001/uvm//J2020+294A_S_a_map.mod wobs /vlbi/uf001/uvm//J2020+294A_S_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J2020+294A_S_a_uvs.fits wwins /vlbi/uf001/uvm//J2020+294A_S_a_map.win ! wwins: Wrote 8 windows to /vlbi/uf001/uvm//J2020+294A_S_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.179156 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00105012 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.75844 1.75844 3.51689 7.03378 14.0676 28.1351 56.2702 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0031 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.179 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 170.605 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J2020+294A_S_a_dfm.log closed on Sun Jan 13 22:28:09 2019