! Started logfile: /vlbi/uf001/uva//J1957+3338_S_dfm.log on Mon Jan 14 05:17:56 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//J1957+3338_S_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1957+3338_S_uva.fits ! AN table 1: 87 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.981609 visibilities/baseline/integration-bin. ! Found source: J1957+3338 ! ! 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 11529 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 J1957+3338_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 39 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 39 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 39 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.004511Jy sigma=23.492786 ! Fit after self-cal, rms=0.926825Jy sigma=21.701368 ! 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=2.938 mas, bmaj=5.294 mas, bpa=-8.46 degrees ! Estimated noise=0.477536 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 = 0.0525039 Jy ! Component: 100 - total flux cleaned = 0.0722864 Jy ! Total flux subtracted in 100 components = 0.0722864 Jy ! Clean residual min=-0.005584 max=0.011124 Jy/beam ! Clean residual mean=0.000004 rms=0.001489 Jy/beam ! Combined flux in latest and established models = 0.0722864 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 15 components and 0.0722864 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065413Jy sigma=1.464227 ! Fit after self-cal, rms=0.065012Jy sigma=1.455413 ! Inverting map ! Added new window around map position (-14.5, 3.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0131135 Jy ! Component: 100 - total flux cleaned = 0.0224261 Jy ! Total flux subtracted in 100 components = 0.0224261 Jy ! Clean residual min=-0.004413 max=0.007505 Jy/beam ! Clean residual mean=0.000005 rms=0.001177 Jy/beam ! Combined flux in latest and established models = 0.0947124 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 32 components and 0.0947124 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061000Jy sigma=1.360085 ! Fit after self-cal, rms=0.060873Jy sigma=1.356934 ! Inverting map ! Added new window around map position (-18.5, 6.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00831292 Jy ! Component: 100 - total flux cleaned = 0.0143627 Jy ! Total flux subtracted in 100 components = 0.0143627 Jy ! Clean residual min=-0.004169 max=0.005833 Jy/beam ! Clean residual mean=0.000006 rms=0.001014 Jy/beam ! Combined flux in latest and established models = 0.109075 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 48 components and 0.109075 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059059Jy sigma=1.313087 ! Fit after self-cal, rms=0.058997Jy sigma=1.311439 ! 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=3.609 mas, bmaj=6.211 mas, bpa=-8.632 degrees ! Estimated noise=0.292116 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 = 0.00838159 Jy ! Component: 100 - total flux cleaned = 0.0145855 Jy ! Component: 150 - total flux cleaned = 0.0194992 Jy ! Component: 200 - total flux cleaned = 0.023475 Jy ! Total flux subtracted in 200 components = 0.023475 Jy ! Clean residual min=-0.003571 max=0.007582 Jy/beam ! Clean residual mean=0.000013 rms=0.001145 Jy/beam ! Combined flux in latest and established models = 0.13255 Jy ! Performing phase self-cal ! Adding 61 model components to the UV plane model. ! The established model now contains 100 components and 0.13255 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057307Jy sigma=1.269987 ! Fit after self-cal, rms=0.057231Jy sigma=1.267842 ! Inverting map ! Added new window around map position (-30, 26.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00729881 Jy ! Component: 100 - total flux cleaned = 0.011996 Jy ! Component: 150 - total flux cleaned = 0.0159037 Jy ! Component: 200 - total flux cleaned = 0.0193049 Jy ! Total flux subtracted in 200 components = 0.0193049 Jy ! Clean residual min=-0.003208 max=0.006085 Jy/beam ! Clean residual mean=0.000007 rms=0.000898 Jy/beam ! Combined flux in latest and established models = 0.151855 Jy ! Performing phase self-cal ! Adding 84 model components to the UV plane model. ! The established model now contains 170 components and 0.151855 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.056010Jy sigma=1.238189 ! Fit after self-cal, rms=0.055924Jy sigma=1.236050 ! Inverting map ! Added new window around map position (-28, 43.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00594654 Jy ! Component: 100 - total flux cleaned = 0.00945274 Jy ! Component: 150 - total flux cleaned = 0.012426 Jy ! Component: 200 - total flux cleaned = 0.015062 Jy ! Total flux subtracted in 200 components = 0.015062 Jy ! Clean residual min=-0.002678 max=0.004357 Jy/beam ! Clean residual mean=0.000007 rms=0.000695 Jy/beam ! Combined flux in latest and established models = 0.166917 Jy ! Performing phase self-cal ! Adding 81 model components to the UV plane model. ! The established model now contains 240 components and 0.166917 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.055152Jy sigma=1.216798 ! Fit after self-cal, rms=0.055095Jy sigma=1.215507 ! Inverting map ! Added new window around map position (-8.5, 2.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00403238 Jy ! Component: 100 - total flux cleaned = 0.00670139 Jy ! Component: 150 - total flux cleaned = 0.00901329 Jy ! Component: 200 - total flux cleaned = 0.0110884 Jy ! Total flux subtracted in 200 components = 0.0110884 Jy ! Clean residual min=-0.002305 max=0.002272 Jy/beam ! Clean residual mean=0.000006 rms=0.000572 Jy/beam ! Combined flux in latest and established models = 0.178006 Jy ! Performing phase self-cal ! Adding 69 model components to the UV plane model. ! The established model now contains 295 components and 0.178006 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054671Jy sigma=1.205698 ! Fit after self-cal, rms=0.054653Jy sigma=1.205204 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.609 x 6.211 at -8.632 degrees (North through East) ! Clean map min=-0.0022935 max=0.070803 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.99 HN 1.00 KP 1.02 ! LA 0.92 MK 1.06 NL 1.04 OV 1.03 ! PT 0.94 SC 1.08 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.01 HN 1.02 KP 0.99 ! LA 0.94 MK 0.99 NL 1.02 OV 1.02 ! PT 0.94 SC 1.07 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.99 HN 0.98 KP 1.01 ! LA 0.95 MK 0.98 NL 1.06 OV 1.01 ! PT 0.92 SC 1.05 ! ! ! Fit before self-cal, rms=0.054653Jy sigma=1.205204 ! Fit after self-cal, rms=0.054770Jy sigma=1.198014 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.648 mas, bmaj=6.295 mas, bpa=-9.254 degrees ! Estimated noise=0.291725 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 = 0.00150026 Jy ! Component: 100 - total flux cleaned = 0.00237126 Jy ! Component: 150 - total flux cleaned = 0.00310943 Jy ! Component: 200 - total flux cleaned = 0.00365286 Jy ! Total flux subtracted in 200 components = 0.00365286 Jy ! Clean residual min=-0.001592 max=0.002057 Jy/beam ! Clean residual mean=0.000003 rms=0.000442 Jy/beam ! Combined flux in latest and established models = 0.181658 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 330 components and 0.181658 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054709Jy sigma=1.196385 ! Fit after self-cal, rms=0.054718Jy sigma=1.196182 ! 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=0.054718Jy sigma=1.196182 ! Fit after self-cal, rms=0.055002Jy sigma=1.190914 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.64 mas, bmaj=6.265 mas, bpa=-8.924 degrees ! Estimated noise=0.291565 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000577372 Jy ! Component: 100 - total flux cleaned = 0.001108 Jy ! Component: 150 - total flux cleaned = 0.00149672 Jy ! Component: 200 - total flux cleaned = 0.00186595 Jy ! Total flux subtracted in 200 components = 0.00186595 Jy ! Clean residual min=-0.001413 max=0.001889 Jy/beam ! Clean residual mean=0.000004 rms=0.000368 Jy/beam ! Combined flux in latest and established models = 0.183524 Jy selfcal ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 359 components and 0.183524 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054971Jy sigma=1.190097 ! Fit after self-cal, rms=0.054979Jy sigma=1.189963 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 (-24, 9.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00158482 Jy ! Component: 100 - total flux cleaned = 0.00187529 Jy ! Component: 150 - total flux cleaned = 0.00199928 Jy ! Component: 200 - total flux cleaned = 0.00208838 Jy ! Total flux subtracted in 200 components = 0.00208838 Jy ! Clean residual min=-0.001288 max=0.001452 Jy/beam ! Clean residual mean=0.000004 rms=0.000342 Jy/beam ! Combined flux in latest and established models = 0.185613 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 384 components and 0.185613 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054931Jy sigma=1.188663 ! Fit after self-cal, rms=0.054928Jy sigma=1.188600 ! Inverting map ! Added new window around map position (17, -105). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00128657 Jy ! Component: 100 - total flux cleaned = 0.00170709 Jy ! Component: 150 - total flux cleaned = 0.00198319 Jy ! Component: 200 - total flux cleaned = 0.0020508 Jy ! Total flux subtracted in 200 components = 0.0020508 Jy ! Clean residual min=-0.001281 max=0.001433 Jy/beam ! Clean residual mean=0.000005 rms=0.000325 Jy/beam ! Combined flux in latest and established models = 0.187663 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 403 components and 0.187663 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054886Jy sigma=1.187685 ! Fit after self-cal, rms=0.054884Jy sigma=1.187629 ! Inverting map ! Added new window around map position (-74, -115). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00101114 Jy ! Component: 100 - total flux cleaned = 0.00139109 Jy ! Component: 150 - total flux cleaned = 0.00158055 Jy ! Component: 200 - total flux cleaned = 0.00170951 Jy ! Total flux subtracted in 200 components = 0.00170951 Jy ! Clean residual min=-0.001205 max=0.001292 Jy/beam ! Clean residual mean=0.000004 rms=0.000310 Jy/beam ! Combined flux in latest and established models = 0.189373 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 420 components and 0.189373 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054852Jy sigma=1.186832 ! Fit after self-cal, rms=0.054849Jy sigma=1.186781 ! 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=0.054849Jy sigma=1.186781 ! Fit after self-cal, rms=0.054874Jy sigma=1.186622 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.64 mas, bmaj=6.256 mas, bpa=-9.008 degrees ! Estimated noise=0.29108 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000537275 Jy ! Component: 100 - total flux cleaned = 0.000821903 Jy ! Component: 150 - total flux cleaned = 0.000963373 Jy ! Component: 200 - total flux cleaned = 0.0011361 Jy ! Total flux subtracted in 200 components = 0.0011361 Jy ! Clean residual min=-0.001196 max=0.001286 Jy/beam ! Clean residual mean=0.000003 rms=0.000300 Jy/beam ! Combined flux in latest and established models = 0.190509 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 435 components and 0.190509 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054859Jy sigma=1.186257 ! Fit after self-cal, rms=0.054862Jy sigma=1.186242 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 = 0.000274888 Jy ! Component: 100 - total flux cleaned = 0.00043729 Jy ! Component: 150 - total flux cleaned = 0.000540805 Jy ! Component: 200 - total flux cleaned = 0.000640707 Jy ! Total flux subtracted in 200 components = 0.000640707 Jy ! Clean residual min=-0.001190 max=0.001280 Jy/beam ! Clean residual mean=0.000003 rms=0.000296 Jy/beam ! Combined flux in latest and established models = 0.19115 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 443 components and 0.19115 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054851Jy sigma=1.186018 ! Fit after self-cal, rms=0.054851Jy sigma=1.186010 ! Inverting map ! Added new window around map position (-22, -118). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00115777 Jy ! Component: 100 - total flux cleaned = 0.00139974 Jy ! Component: 150 - total flux cleaned = 0.00168054 Jy ! Component: 200 - total flux cleaned = 0.00199296 Jy ! Total flux subtracted in 200 components = 0.00199296 Jy ! Clean residual min=-0.001156 max=0.001223 Jy/beam ! Clean residual mean=0.000002 rms=0.000283 Jy/beam ! Combined flux in latest and established models = 0.193143 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 469 components and 0.193143 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054821Jy sigma=1.185392 ! Fit after self-cal, rms=0.054816Jy sigma=1.185353 ! 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=0.054816Jy sigma=1.185353 ! Fit after self-cal, rms=0.054819Jy sigma=1.185300 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.65 mas, bmaj=9.635 mas, bpa=-6.956 degrees ! Estimated noise=0.356265 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000798329 Jy ! Component: 100 - total flux cleaned = 0.00133505 Jy ! Component: 150 - total flux cleaned = 0.00167178 Jy ! Component: 200 - total flux cleaned = 0.00187971 Jy ! Total flux subtracted in 200 components = 0.00187971 Jy ! Clean residual min=-0.001268 max=0.001465 Jy/beam ! Clean residual mean=0.000005 rms=0.000366 Jy/beam ! Combined flux in latest and established models = 0.195023 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 500 components and 0.195023 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054814Jy sigma=1.185103 ! Fit after self-cal, rms=0.054814Jy sigma=1.185083 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 = 0.000343906 Jy ! Component: 100 - total flux cleaned = 0.000513208 Jy ! Component: 150 - total flux cleaned = 0.000701206 Jy ! Component: 200 - total flux cleaned = 0.000831699 Jy ! Total flux subtracted in 200 components = 0.000831699 Jy ! Clean residual min=-0.001265 max=0.001429 Jy/beam ! Clean residual mean=0.000005 rms=0.000357 Jy/beam ! Combined flux in latest and established models = 0.195854 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 511 components and 0.195854 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054813Jy sigma=1.185018 ! Fit after self-cal, rms=0.054812Jy sigma=1.185012 ! 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=3.64 mas, bmaj=6.251 mas, bpa=-9.027 degrees ! Estimated noise=0.290826 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.64 x 6.251 at -9.027 degrees (North through East) ! Clean map min=-0.0011445 max=0.070133 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=2.96 mas, bmaj=5.299 mas, bpa=-9.096 degrees ! Estimated noise=0.480255 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0524903 Jy ! Component: 100 - total flux cleaned = 0.0732907 Jy ! Component: 150 - total flux cleaned = 0.0872015 Jy ! Component: 200 - total flux cleaned = 0.0974045 Jy ! Total flux subtracted in 200 components = 0.0974045 Jy ! Clean residual min=-0.004893 max=0.005860 Jy/beam ! Clean residual mean=0.000005 rms=0.001133 Jy/beam ! Combined flux in latest and established models = 0.0974045 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 31 model components to the UV plane model. ! The established model now contains 31 components and 0.0974045 Jy ! Inverting map and beam ! Estimated beam: bmin=3.64 mas, bmaj=6.251 mas, bpa=-9.027 degrees ! Estimated noise=0.290826 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 = 0.0115724 Jy ! Component: 100 - total flux cleaned = 0.0208213 Jy ! Component: 150 - total flux cleaned = 0.0285327 Jy ! Component: 200 - total flux cleaned = 0.0351364 Jy ! Total flux subtracted in 200 components = 0.0351364 Jy ! Clean residual min=-0.003594 max=0.004087 Jy/beam ! Clean residual mean=0.000009 rms=0.000965 Jy/beam ! Combined flux in latest and established models = 0.132541 Jy ! Adding 78 model components to the UV plane model. ! The established model now contains 103 components and 0.132541 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=7.65 mas, bmaj=9.635 mas, bpa=-6.956 degrees ! Estimated noise=0.356265 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0106127 Jy ! Component: 100 - total flux cleaned = 0.0186219 Jy ! Component: 150 - total flux cleaned = 0.0249739 Jy ! Component: 200 - total flux cleaned = 0.0301496 Jy ! Total flux subtracted in 200 components = 0.0301496 Jy ! Clean residual min=-0.003104 max=0.003122 Jy/beam ! Clean residual mean=0.000013 rms=0.000943 Jy/beam ! Combined flux in latest and established models = 0.162691 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 = 0.00427713 Jy ! Component: 100 - total flux cleaned = 0.00787131 Jy ! Component: 150 - total flux cleaned = 0.0109431 Jy ! Component: 200 - total flux cleaned = 0.0135776 Jy ! Total flux subtracted in 200 components = 0.0135776 Jy ! Clean residual min=-0.002175 max=0.002186 Jy/beam ! Clean residual mean=0.000010 rms=0.000624 Jy/beam ! Combined flux in latest and established models = 0.176268 Jy ! Adding 234 model components to the UV plane model. ! The established model now contains 319 components and 0.176268 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.64 mas, bmaj=6.251 mas, bpa=-9.027 degrees ! Estimated noise=0.290826 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00204911 Jy ! Component: 100 - total flux cleaned = 0.00375243 Jy ! Component: 150 - total flux cleaned = 0.00526723 Jy ! Component: 200 - total flux cleaned = 0.00663851 Jy ! Total flux subtracted in 200 components = 0.00663851 Jy ! Clean residual min=-0.001373 max=0.001410 Jy/beam ! Clean residual mean=0.000004 rms=0.000369 Jy/beam ! Combined flux in latest and established models = 0.182907 Jy selfcal ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 358 components and 0.182907 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.055045Jy sigma=1.190253 ! Fit after self-cal, rms=0.055011Jy sigma=1.189699 wmodel J1957+3338_S_map.mod ! Writing 358 model components to file: J1957+3338_S_map.mod wobs J1957+3338_S_uvs.fits ! Writing UV FITS file: J1957+3338_S_uvs.fits wwins J1957+3338_S_map.win ! wwins: Wrote 10 windows to J1957+3338_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 = -0.000330655 Jy ! Component: 100 - total flux cleaned = -0.000521089 Jy ! Component: 150 - total flux cleaned = -0.000566747 Jy ! Component: 200 - total flux cleaned = -0.00065467 Jy ! Component: 250 - total flux cleaned = -0.000654382 Jy ! Component: 300 - total flux cleaned = -0.00073753 Jy ! Component: 350 - total flux cleaned = -0.000777917 Jy ! Component: 400 - total flux cleaned = -0.000857595 Jy ! Component: 450 - total flux cleaned = -0.000916225 Jy ! Component: 500 - total flux cleaned = -0.000973624 Jy ! Component: 550 - total flux cleaned = -0.000973922 Jy ! Component: 600 - total flux cleaned = -0.00102921 Jy ! Component: 650 - total flux cleaned = -0.00101063 Jy ! Component: 700 - total flux cleaned = -0.000957149 Jy ! Component: 750 - total flux cleaned = -0.000957087 Jy ! Component: 800 - total flux cleaned = -0.000956919 Jy ! Component: 850 - total flux cleaned = -0.000905753 Jy ! Component: 900 - total flux cleaned = -0.000889066 Jy ! Component: 950 - total flux cleaned = -0.000856523 Jy ! Component: 1000 - total flux cleaned = -0.000872773 Jy ! Component: 1050 - total flux cleaned = -0.000824454 Jy ! Component: 1100 - total flux cleaned = -0.00080853 Jy ! Component: 1150 - total flux cleaned = -0.000761518 Jy ! Component: 1200 - total flux cleaned = -0.000730724 Jy ! Component: 1250 - total flux cleaned = -0.00073076 Jy ! Component: 1300 - total flux cleaned = -0.000685272 Jy ! Component: 1350 - total flux cleaned = -0.000670441 Jy ! Component: 1400 - total flux cleaned = -0.000611576 Jy ! Component: 1450 - total flux cleaned = -0.000626213 Jy ! Component: 1500 - total flux cleaned = -0.000568459 Jy ! Component: 1550 - total flux cleaned = -0.000554098 Jy ! Component: 1600 - total flux cleaned = -0.00051166 Jy ! Component: 1650 - total flux cleaned = -0.000525638 Jy ! Component: 1700 - total flux cleaned = -0.000456376 Jy ! Component: 1750 - total flux cleaned = -0.000415406 Jy ! Component: 1800 - total flux cleaned = -0.000374509 Jy ! Component: 1850 - total flux cleaned = -0.000401709 Jy ! Component: 1900 - total flux cleaned = -0.000348269 Jy ! Component: 1950 - total flux cleaned = -0.00033515 Jy ! Component: 2000 - total flux cleaned = -0.000295833 Jy ! Component: 2050 - total flux cleaned = -0.000243706 Jy ! Component: 2100 - total flux cleaned = -0.000205047 Jy ! Component: 2150 - total flux cleaned = -0.000256081 Jy ! Component: 2200 - total flux cleaned = -0.000205423 Jy ! Component: 2250 - total flux cleaned = -0.000155237 Jy ! Component: 2300 - total flux cleaned = -0.000155091 Jy ! Component: 2350 - total flux cleaned = -0.000179517 Jy ! Component: 2400 - total flux cleaned = -0.0001062 Jy ! Component: 2450 - total flux cleaned = -0.000142585 Jy ! Component: 2500 - total flux cleaned = -0.000118572 Jy ! Component: 2550 - total flux cleaned = -5.86835e-05 Jy ! Component: 2600 - total flux cleaned = -0.000118032 Jy ! Component: 2650 - total flux cleaned = -9.45784e-05 Jy ! Component: 2700 - total flux cleaned = -0.000106203 Jy ! Component: 2750 - total flux cleaned = -9.44753e-05 Jy ! Component: 2800 - total flux cleaned = -7.13199e-05 Jy ! Component: 2850 - total flux cleaned = -7.1172e-05 Jy ! Component: 2900 - total flux cleaned = -4.84214e-05 Jy ! Component: 2950 - total flux cleaned = -0.000115785 Jy ! Component: 3000 - total flux cleaned = -4.89055e-05 Jy ! Component: 3050 - total flux cleaned = -0.000115264 Jy ! Component: 3100 - total flux cleaned = -2.72715e-05 Jy ! Component: 3150 - total flux cleaned = -4.9038e-05 Jy ! Component: 3200 - total flux cleaned = -1.65879e-05 Jy ! Component: 3250 - total flux cleaned = -1.63907e-05 Jy ! Component: 3300 - total flux cleaned = 4.77889e-05 Jy ! Component: 3350 - total flux cleaned = 3.70623e-05 Jy ! Component: 3400 - total flux cleaned = 6.86011e-05 Jy ! Component: 3450 - total flux cleaned = 0.000110359 Jy ! Component: 3500 - total flux cleaned = 0.000110452 Jy ! Component: 3550 - total flux cleaned = 0.000120778 Jy ! Component: 3600 - total flux cleaned = 0.000151407 Jy ! Component: 3650 - total flux cleaned = 0.000161672 Jy ! Component: 3700 - total flux cleaned = 0.000191938 Jy ! Component: 3750 - total flux cleaned = 0.000202004 Jy ! Component: 3800 - total flux cleaned = 0.000231936 Jy ! Component: 3850 - total flux cleaned = 0.000221998 Jy ! Component: 3900 - total flux cleaned = 0.000202235 Jy ! Component: 3950 - total flux cleaned = 0.000202296 Jy ! Component: 4000 - total flux cleaned = 0.00023152 Jy ! Component: 4050 - total flux cleaned = 0.000202607 Jy ! Total flux subtracted in 4096 components = 0.000250633 Jy ! Clean residual min=-0.000612 max=0.000599 Jy/beam ! Clean residual mean=0.000002 rms=0.000180 Jy/beam ! Combined flux in latest and established models = 0.183157 Jy keep ! Adding 312 model components to the UV plane model. ! The established model now contains 669 components and 0.183157 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1957+3338_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.64 x 6.251 at -9.027 degrees (North through East) ! Clean map min=-0.0010097 max=0.071669 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1957+3338_S_map.fits wmodel /vlbi/uf001/uva//J1957+3338_S_map.mod ! Writing 669 model components to file: /vlbi/uf001/uva//J1957+3338_S_map.mod wobs /vlbi/uf001/uva//J1957+3338_S_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1957+3338_S_uvs.fits wwins /vlbi/uf001/uva//J1957+3338_S_map.win ! wwins: Wrote 11 windows to /vlbi/uf001/uva//J1957+3338_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0716687 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000178429 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.746891 0.746891 1.49378 2.98756 5.97513 11.9503 23.9005 47.801 95.602 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.071 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 401.665 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1957+3338_S_dfm.log closed on Mon Jan 14 05:18:01 2019