! Started logfile: /vlbi/uf001/uvm//J2355+1541_S_a_dfm.log on Sun Jan 13 22:47:06 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//J2355+1541_S_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J2355+1541_S_a_uvm.fits ! AN table 1: 127 integrations on 45 of 45 possible baselines. ! AN table 2: 73 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.965717 visibilities/baseline/integration-bin. ! Found source: J2355+1541 ! ! 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 22479 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 J2355+1541_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 30 telescope corrections were flagged in sub-array 1. ! A total of 44 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! A total of 44 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! A total of 44 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.073856Jy sigma=21.143318 ! Fit after self-cal, rms=0.688183Jy sigma=13.786956 ! 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=2.927 mas, bmaj=6.964 mas, bpa=-3.491 degrees ! Estimated noise=0.364983 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 = 0.225482 Jy ! Component: 100 - total flux cleaned = 0.315901 Jy ! Total flux subtracted in 100 components = 0.315901 Jy ! Clean residual min=-0.016676 max=0.043956 Jy/beam ! Clean residual mean=-0.000066 rms=0.005304 Jy/beam ! Combined flux in latest and established models = 0.315901 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 18 components and 0.315901 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.179325Jy sigma=3.123460 ! Fit after self-cal, rms=0.179181Jy sigma=3.120046 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0532101 Jy ! Component: 100 - total flux cleaned = 0.0906814 Jy ! Total flux subtracted in 100 components = 0.0906814 Jy ! Clean residual min=-0.015220 max=0.035913 Jy/beam ! Clean residual mean=-0.000050 rms=0.004021 Jy/beam ! Combined flux in latest and established models = 0.406582 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 46 components and 0.406582 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.146104Jy sigma=2.459545 ! Fit after self-cal, rms=0.145919Jy sigma=2.454366 ! Inverting map ! Added new window around map position (4.5, -4.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0353244 Jy ! Component: 100 - total flux cleaned = 0.0604843 Jy ! Total flux subtracted in 100 components = 0.0604843 Jy ! Clean residual min=-0.011989 max=0.022121 Jy/beam ! Clean residual mean=-0.000041 rms=0.003304 Jy/beam ! Combined flux in latest and established models = 0.467067 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 66 components and 0.467067 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.128594Jy sigma=2.102206 ! Fit after self-cal, rms=0.128209Jy sigma=2.094341 ! Inverting map ! Added new window around map position (-14, -50). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0238874 Jy ! Component: 100 - total flux cleaned = 0.0424386 Jy ! Total flux subtracted in 100 components = 0.0424386 Jy ! Clean residual min=-0.010937 max=0.019555 Jy/beam ! Clean residual mean=-0.000037 rms=0.002877 Jy/beam ! Combined flux in latest and established models = 0.509505 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 90 components and 0.509505 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.118770Jy sigma=1.901422 ! Fit after self-cal, rms=0.118581Jy sigma=1.896480 ! Inverting map ! Added new window around map position (-4.5, -7.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0207356 Jy ! Component: 100 - total flux cleaned = 0.0363836 Jy ! Total flux subtracted in 100 components = 0.0363836 Jy ! Clean residual min=-0.010174 max=0.009955 Jy/beam ! Clean residual mean=-0.000032 rms=0.002505 Jy/beam ! Combined flux in latest and established models = 0.545889 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 109 components and 0.545889 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.111462Jy sigma=1.750288 ! Fit after self-cal, rms=0.111317Jy sigma=1.746403 ! 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=3.492 mas, bmaj=7.834 mas, bpa=-2.52 degrees ! Estimated noise=0.244482 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 = 0.0246227 Jy ! Component: 100 - total flux cleaned = 0.0436118 Jy ! Component: 150 - total flux cleaned = 0.0593835 Jy ! Component: 200 - total flux cleaned = 0.0726454 Jy ! Total flux subtracted in 200 components = 0.0726454 Jy ! Clean residual min=-0.010362 max=0.009745 Jy/beam ! Clean residual mean=-0.000029 rms=0.002578 Jy/beam ! Combined flux in latest and established models = 0.618534 Jy ! Performing phase self-cal ! Adding 79 model components to the UV plane model. ! The established model now contains 170 components and 0.618534 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.101650Jy sigma=1.545910 ! Fit after self-cal, rms=0.101441Jy sigma=1.540401 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.492 x 7.834 at -2.52 degrees (North through East) ! Clean map min=-0.0096234 max=0.30551 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.97 HN 0.99 KP 0.97 ! LA 0.90 MK 1.02 NL 1.04 OV 1.00 ! PT 0.97 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.24 FD 0.93 HN 1.02 KP 0.89 ! LA 0.92 MK 1.01 NL 1.07 OV 1.02 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.97 HN 1.02 KP 1.00 ! LA 0.91 MK 0.99 NL 1.05 OV 0.97 ! PT 0.97 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.27 FD 0.95 HN 1.01 KP 0.91 ! LA 0.93 MK 1.05 NL 1.03 OV 0.92 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 HN 1.03 KP 1.01 ! LA 0.90 MK 1.09 NL 1.05 OV 1.01 ! PT 0.97 SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.28 FD 0.98 HN 1.02 KP 0.93 ! LA 0.93 MK 1.04 NL 1.15 OV 1.02 ! ! ! Fit before self-cal, rms=0.101441Jy sigma=1.540401 ! Fit after self-cal, rms=0.110604Jy sigma=1.412628 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.54 mas, bmaj=7.933 mas, bpa=-2.558 degrees ! Estimated noise=0.243481 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 = 0.00871657 Jy ! Component: 100 - total flux cleaned = 0.0143557 Jy ! Component: 150 - total flux cleaned = 0.0185998 Jy ! Component: 200 - total flux cleaned = 0.0211612 Jy ! Total flux subtracted in 200 components = 0.0211612 Jy ! Clean residual min=-0.008367 max=0.006779 Jy/beam ! Clean residual mean=-0.000007 rms=0.001772 Jy/beam ! Combined flux in latest and established models = 0.639696 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 204 components and 0.639695 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.109519Jy sigma=1.389656 ! Fit after self-cal, rms=0.109478Jy sigma=1.387534 ! 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=0.109478Jy sigma=1.387534 ! Fit after self-cal, rms=0.071314Jy sigma=1.217819 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.558 mas, bmaj=7.968 mas, bpa=-1.971 degrees ! Estimated noise=0.244365 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00439563 Jy ! Component: 100 - total flux cleaned = 0.00716266 Jy ! Component: 150 - total flux cleaned = 0.00830046 Jy ! Component: 200 - total flux cleaned = 0.0091972 Jy ! Total flux subtracted in 200 components = 0.0091972 Jy ! Clean residual min=-0.003940 max=0.005411 Jy/beam ! Clean residual mean=-0.000002 rms=0.001003 Jy/beam ! Combined flux in latest and established models = 0.648893 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 226 components and 0.648893 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.070912Jy sigma=1.209378 ! Fit after self-cal, rms=0.070926Jy sigma=1.208629 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 (8.5, -36.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00581414 Jy ! Component: 100 - total flux cleaned = 0.00938921 Jy ! Component: 150 - total flux cleaned = 0.0122171 Jy ! Component: 200 - total flux cleaned = 0.0146872 Jy ! Total flux subtracted in 200 components = 0.0146872 Jy ! Clean residual min=-0.003272 max=0.004846 Jy/beam ! Clean residual mean=-0.000003 rms=0.000855 Jy/beam ! Combined flux in latest and established models = 0.66358 Jy ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 266 components and 0.66358 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.070330Jy sigma=1.195652 ! Fit after self-cal, rms=0.070301Jy sigma=1.195083 ! Inverting map ! Added new window around map position (-5, -25). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00466896 Jy ! Component: 100 - total flux cleaned = 0.00752803 Jy ! Component: 150 - total flux cleaned = 0.00990033 Jy ! Component: 200 - total flux cleaned = 0.0120165 Jy ! Total flux subtracted in 200 components = 0.0120165 Jy ! Clean residual min=-0.002765 max=0.003927 Jy/beam ! Clean residual mean=-0.000006 rms=0.000754 Jy/beam ! Combined flux in latest and established models = 0.675596 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 294 components and 0.675597 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.069913Jy sigma=1.186145 ! Fit after self-cal, rms=0.069894Jy sigma=1.185804 ! Inverting map ! Added new window around map position (7.5, 47). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0022474 Jy ! Component: 100 - total flux cleaned = 0.0040002 Jy ! Component: 150 - total flux cleaned = 0.00573197 Jy ! Component: 200 - total flux cleaned = 0.00718344 Jy ! Total flux subtracted in 200 components = 0.00718344 Jy ! Clean residual min=-0.002799 max=0.002865 Jy/beam ! Clean residual mean=-0.000005 rms=0.000698 Jy/beam ! Combined flux in latest and established models = 0.68278 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 314 components and 0.68278 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.069629Jy sigma=1.180727 ! Fit after self-cal, rms=0.069613Jy sigma=1.180487 ! 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=0.069613Jy sigma=1.180487 ! Fit after self-cal, rms=0.069596Jy sigma=1.179019 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.558 mas, bmaj=7.972 mas, bpa=-1.995 degrees ! Estimated noise=0.244067 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00199813 Jy ! Component: 100 - total flux cleaned = 0.00357 Jy ! Component: 150 - total flux cleaned = 0.00494291 Jy ! Component: 200 - total flux cleaned = 0.0060347 Jy ! Total flux subtracted in 200 components = 0.0060347 Jy ! Clean residual min=-0.002561 max=0.002823 Jy/beam ! Clean residual mean=-0.000003 rms=0.000641 Jy/beam ! Combined flux in latest and established models = 0.688815 Jy selfcal ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 331 components and 0.688815 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.069455Jy sigma=1.176157 ! Fit after self-cal, rms=0.069453Jy sigma=1.176069 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 (-19, -40). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00262886 Jy ! Component: 100 - total flux cleaned = 0.00391597 Jy ! Component: 150 - total flux cleaned = 0.00503118 Jy ! Component: 200 - total flux cleaned = 0.00620483 Jy ! Total flux subtracted in 200 components = 0.00620483 Jy ! Clean residual min=-0.002409 max=0.002478 Jy/beam ! Clean residual mean=-0.000004 rms=0.000598 Jy/beam ! Combined flux in latest and established models = 0.69502 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 346 components and 0.69502 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.069298Jy sigma=1.172706 ! Fit after self-cal, rms=0.069295Jy sigma=1.172639 ! 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=0.069295Jy sigma=1.172639 ! Fit after self-cal, rms=0.069363Jy sigma=1.172514 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.023 mas, bmaj=10.74 mas, bpa=-6.832 degrees ! Estimated noise=0.301956 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00279577 Jy ! Component: 100 - total flux cleaned = 0.00506828 Jy ! Component: 150 - total flux cleaned = 0.0070653 Jy ! Component: 200 - total flux cleaned = 0.00878909 Jy ! Total flux subtracted in 200 components = 0.00878909 Jy ! Clean residual min=-0.002878 max=0.002799 Jy/beam ! Clean residual mean=-0.000005 rms=0.000837 Jy/beam ! Combined flux in latest and established models = 0.703809 Jy selfcal ! Performing phase self-cal ! Adding 50 model components to the UV plane model. ! The established model now contains 385 components and 0.703809 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.069283Jy sigma=1.170780 ! Fit after self-cal, rms=0.069277Jy sigma=1.170615 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 = 0.00114324 Jy ! Component: 100 - total flux cleaned = 0.00263385 Jy ! Component: 150 - total flux cleaned = 0.00400578 Jy ! Component: 200 - total flux cleaned = 0.00511582 Jy ! Total flux subtracted in 200 components = 0.00511582 Jy ! Clean residual min=-0.002802 max=0.002607 Jy/beam ! Clean residual mean=-0.000006 rms=0.000785 Jy/beam ! Combined flux in latest and established models = 0.708924 Jy ! Performing phase self-cal ! Adding 50 model components to the UV plane model. ! The established model now contains 411 components and 0.708925 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.069233Jy sigma=1.169731 ! Fit after self-cal, rms=0.069231Jy sigma=1.169653 ! 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=3.558 mas, bmaj=7.972 mas, bpa=-1.995 degrees ! Estimated noise=0.244082 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.558 x 7.972 at -1.995 degrees (North through East) ! Clean map min=-0.0022546 max=0.30304 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=2.979 mas, bmaj=7.075 mas, bpa=-2.574 degrees ! Estimated noise=0.373288 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.228701 Jy ! Component: 100 - total flux cleaned = 0.321624 Jy ! Component: 150 - total flux cleaned = 0.378072 Jy ! Component: 200 - total flux cleaned = 0.418019 Jy ! Total flux subtracted in 200 components = 0.418019 Jy ! Clean residual min=-0.010479 max=0.023180 Jy/beam ! Clean residual mean=-0.000036 rms=0.003240 Jy/beam ! Combined flux in latest and established models = 0.418019 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 45 model components to the UV plane model. ! The established model now contains 45 components and 0.418019 Jy ! Inverting map and beam ! Estimated beam: bmin=3.558 mas, bmaj=7.972 mas, bpa=-1.995 degrees ! Estimated noise=0.244082 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 = 0.0470749 Jy ! Component: 100 - total flux cleaned = 0.0813503 Jy ! Component: 150 - total flux cleaned = 0.107979 Jy ! Component: 200 - total flux cleaned = 0.12938 Jy ! Total flux subtracted in 200 components = 0.12938 Jy ! Clean residual min=-0.007366 max=0.013010 Jy/beam ! Clean residual mean=-0.000021 rms=0.002294 Jy/beam ! Combined flux in latest and established models = 0.547399 Jy ! Adding 84 model components to the UV plane model. ! The established model now contains 123 components and 0.547399 Jy ! Inverting map ! Added new window around map position (0.5, -8.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0175387 Jy ! Component: 100 - total flux cleaned = 0.0319883 Jy ! Component: 150 - total flux cleaned = 0.0439725 Jy ! Component: 200 - total flux cleaned = 0.05398 Jy ! Total flux subtracted in 200 components = 0.05398 Jy ! Clean residual min=-0.004890 max=0.006379 Jy/beam ! Clean residual mean=-0.000010 rms=0.001428 Jy/beam ! Combined flux in latest and established models = 0.601379 Jy ! Adding 62 model components to the UV plane model. ! The established model now contains 177 components and 0.601379 Jy ! Inverting map ! Added new window around map position (-10.5, -50.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00847069 Jy ! Component: 100 - total flux cleaned = 0.0157021 Jy ! Component: 150 - total flux cleaned = 0.0221328 Jy ! Component: 200 - total flux cleaned = 0.0279228 Jy ! Total flux subtracted in 200 components = 0.0279228 Jy ! Clean residual min=-0.003924 max=0.004122 Jy/beam ! Clean residual mean=-0.000005 rms=0.001103 Jy/beam ! Combined flux in latest and established models = 0.629302 Jy ! Adding 57 model components to the UV plane model. ! The established model now contains 220 components and 0.629302 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=7.023 mas, bmaj=10.74 mas, bpa=-6.832 degrees ! Estimated noise=0.301956 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00894397 Jy ! Component: 100 - total flux cleaned = 0.0162204 Jy ! Component: 150 - total flux cleaned = 0.0224708 Jy ! Component: 200 - total flux cleaned = 0.0279662 Jy ! Total flux subtracted in 200 components = 0.0279662 Jy ! Clean residual min=-0.004600 max=0.003945 Jy/beam ! Clean residual mean=-0.000006 rms=0.001387 Jy/beam ! Combined flux in latest and established models = 0.657268 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 = 0.00490786 Jy ! Component: 100 - total flux cleaned = 0.00933186 Jy ! Component: 150 - total flux cleaned = 0.0133522 Jy ! Component: 200 - total flux cleaned = 0.0170394 Jy ! Total flux subtracted in 200 components = 0.0170394 Jy ! Clean residual min=-0.003931 max=0.003311 Jy/beam ! Clean residual mean=-0.000005 rms=0.001127 Jy/beam ! Combined flux in latest and established models = 0.674307 Jy ! Adding 143 model components to the UV plane model. ! The established model now contains 344 components and 0.674307 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.558 mas, bmaj=7.972 mas, bpa=-1.995 degrees ! Estimated noise=0.244082 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00343095 Jy ! Component: 100 - total flux cleaned = 0.00635627 Jy ! Component: 150 - total flux cleaned = 0.00880019 Jy ! Component: 200 - total flux cleaned = 0.0109569 Jy ! Total flux subtracted in 200 components = 0.0109569 Jy ! Clean residual min=-0.002690 max=0.002505 Jy/beam ! Clean residual mean=-0.000002 rms=0.000665 Jy/beam ! Combined flux in latest and established models = 0.685264 Jy selfcal ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 382 components and 0.685264 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.069788Jy sigma=1.178552 ! Fit after self-cal, rms=0.069692Jy sigma=1.176425 wmodel J2355+1541_S_a_map.mod ! Writing 382 model components to file: J2355+1541_S_a_map.mod wobs J2355+1541_S_a_uvs.fits ! Writing UV FITS file: J2355+1541_S_a_uvs.fits wwins J2355+1541_S_a_map.win ! wwins: Wrote 10 windows to J2355+1541_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 = -0.000807824 Jy ! Component: 100 - total flux cleaned = -0.000853615 Jy ! Component: 150 - total flux cleaned = -0.000854545 Jy ! Component: 200 - total flux cleaned = -0.000934964 Jy ! Component: 250 - total flux cleaned = -0.000934877 Jy ! Component: 300 - total flux cleaned = -0.000859517 Jy ! Component: 350 - total flux cleaned = -0.000859607 Jy ! Component: 400 - total flux cleaned = -0.000860181 Jy ! Component: 450 - total flux cleaned = -0.000894691 Jy ! Component: 500 - total flux cleaned = -0.000827116 Jy ! Component: 550 - total flux cleaned = -0.000794287 Jy ! Component: 600 - total flux cleaned = -0.000762688 Jy ! Component: 650 - total flux cleaned = -0.000794733 Jy ! Component: 700 - total flux cleaned = -0.000669561 Jy ! Component: 750 - total flux cleaned = -0.000484653 Jy ! Component: 800 - total flux cleaned = -0.000363765 Jy ! Component: 850 - total flux cleaned = -0.000155425 Jy ! Component: 900 - total flux cleaned = -3.82935e-05 Jy ! Component: 950 - total flux cleaned = 0.000164065 Jy ! Component: 1000 - total flux cleaned = 0.000277443 Jy ! Component: 1050 - total flux cleaned = 0.000417881 Jy ! Component: 1100 - total flux cleaned = 0.000583507 Jy ! Component: 1150 - total flux cleaned = 0.000583307 Jy ! Component: 1200 - total flux cleaned = 0.00066472 Jy ! Component: 1250 - total flux cleaned = 0.000771502 Jy ! Component: 1300 - total flux cleaned = 0.000771337 Jy ! Component: 1350 - total flux cleaned = 0.0007716 Jy ! Component: 1400 - total flux cleaned = 0.000797824 Jy ! Component: 1450 - total flux cleaned = 0.000951248 Jy ! Component: 1500 - total flux cleaned = 0.000926311 Jy ! Component: 1550 - total flux cleaned = 0.00105083 Jy ! Component: 1600 - total flux cleaned = 0.00112527 Jy ! Component: 1650 - total flux cleaned = 0.00122299 Jy ! Component: 1700 - total flux cleaned = 0.00129573 Jy ! Component: 1750 - total flux cleaned = 0.00132004 Jy ! Component: 1800 - total flux cleaned = 0.00136765 Jy ! Component: 1850 - total flux cleaned = 0.00143824 Jy ! Component: 1900 - total flux cleaned = 0.00146163 Jy ! Component: 1950 - total flux cleaned = 0.00150797 Jy ! Component: 2000 - total flux cleaned = 0.00146279 Jy ! Component: 2050 - total flux cleaned = 0.00148542 Jy ! Component: 2100 - total flux cleaned = 0.00144065 Jy ! Component: 2150 - total flux cleaned = 0.00144079 Jy ! Component: 2200 - total flux cleaned = 0.00139665 Jy ! Component: 2250 - total flux cleaned = 0.00139645 Jy ! Component: 2300 - total flux cleaned = 0.00150434 Jy ! Component: 2350 - total flux cleaned = 0.00141867 Jy ! Component: 2400 - total flux cleaned = 0.00139714 Jy ! Component: 2450 - total flux cleaned = 0.00137611 Jy ! Component: 2500 - total flux cleaned = 0.00145952 Jy ! Component: 2550 - total flux cleaned = 0.00137681 Jy ! Component: 2600 - total flux cleaned = 0.00131495 Jy ! Component: 2650 - total flux cleaned = 0.00131474 Jy ! Component: 2700 - total flux cleaned = 0.00117356 Jy ! Component: 2750 - total flux cleaned = 0.00133421 Jy ! Component: 2800 - total flux cleaned = 0.00133408 Jy ! Component: 2850 - total flux cleaned = 0.00131416 Jy ! Component: 2900 - total flux cleaned = 0.00127489 Jy ! Component: 2950 - total flux cleaned = 0.00123606 Jy ! Component: 3000 - total flux cleaned = 0.00119771 Jy ! Component: 3050 - total flux cleaned = 0.00117827 Jy ! Component: 3100 - total flux cleaned = 0.00117825 Jy ! Component: 3150 - total flux cleaned = 0.00108414 Jy ! Component: 3200 - total flux cleaned = 0.00106551 Jy ! Component: 3250 - total flux cleaned = 0.00104678 Jy ! Component: 3300 - total flux cleaned = 0.000991473 Jy ! Component: 3350 - total flux cleaned = 0.000954952 Jy ! Component: 3400 - total flux cleaned = 0.000846123 Jy ! Component: 3450 - total flux cleaned = 0.000828044 Jy ! Component: 3500 - total flux cleaned = 0.000792258 Jy ! Component: 3550 - total flux cleaned = 0.000792083 Jy ! Component: 3600 - total flux cleaned = 0.000721543 Jy ! Component: 3650 - total flux cleaned = 0.000704034 Jy ! Component: 3700 - total flux cleaned = 0.000703774 Jy ! Component: 3750 - total flux cleaned = 0.000652171 Jy ! Component: 3800 - total flux cleaned = 0.000686538 Jy ! Component: 3850 - total flux cleaned = 0.000703578 Jy ! Component: 3900 - total flux cleaned = 0.000703504 Jy ! Component: 3950 - total flux cleaned = 0.000653208 Jy ! Component: 4000 - total flux cleaned = 0.000736674 Jy ! Component: 4050 - total flux cleaned = 0.000703311 Jy ! Total flux subtracted in 4096 components = 0.000703123 Jy ! Clean residual min=-0.000854 max=0.001001 Jy/beam ! Clean residual mean=-0.000002 rms=0.000323 Jy/beam ! Combined flux in latest and established models = 0.685967 Jy keep ! Adding 329 model components to the UV plane model. ! The established model now contains 705 components and 0.685967 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J2355+1541_S_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.558 x 7.972 at -1.995 degrees (North through East) ! Clean map min=-0.0020585 max=0.30403 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J2355+1541_S_a_map.fits wmodel /vlbi/uf001/uvm//J2355+1541_S_a_map.mod ! Writing 705 model components to file: /vlbi/uf001/uvm//J2355+1541_S_a_map.mod wobs /vlbi/uf001/uvm//J2355+1541_S_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J2355+1541_S_a_uvs.fits wwins /vlbi/uf001/uvm//J2355+1541_S_a_map.win ! wwins: Wrote 11 windows to /vlbi/uf001/uvm//J2355+1541_S_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.304026 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000320379 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.316137 0.316137 0.632273 1.26455 2.52909 5.05818 10.1164 20.2327 40.4655 80.9309 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0009 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.304 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 948.957 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J2355+1541_S_a_dfm.log closed on Sun Jan 13 22:47:13 2019