! Started logfile: /vlbi/uf001/uva//J1918+4937_S_dfm.log on Mon Jan 14 05:00:13 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//J1918+4937_S_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1918+4937_S_uva.fits ! AN table 1: 42 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.925926 visibilities/baseline/integration-bin. ! Found source: J1918+4937 ! ! 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 5250 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 J1918+4937_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 72 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 72 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 72 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.013555Jy sigma=22.838269 ! Fit after self-cal, rms=0.874962Jy sigma=19.729509 ! 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=3.244 mas, bmaj=4.57 mas, bpa=-11.21 degrees ! Estimated noise=0.61742 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 = 0.0950931 Jy ! Component: 100 - total flux cleaned = 0.121429 Jy ! Total flux subtracted in 100 components = 0.121429 Jy ! Clean residual min=-0.006029 max=0.016375 Jy/beam ! Clean residual mean=-0.000012 rms=0.001634 Jy/beam ! Combined flux in latest and established models = 0.121429 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.121429 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065098Jy sigma=1.369529 ! Fit after self-cal, rms=0.065070Jy sigma=1.369018 ! Inverting map ! Added new window around map position (-6, 5.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0154757 Jy ! Component: 100 - total flux cleaned = 0.0244227 Jy ! Total flux subtracted in 100 components = 0.0244227 Jy ! Clean residual min=-0.004899 max=0.005178 Jy/beam ! Clean residual mean=-0.000004 rms=0.001106 Jy/beam ! Combined flux in latest and established models = 0.145852 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 22 components and 0.145852 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.060429Jy sigma=1.261404 ! Fit after self-cal, rms=0.060115Jy sigma=1.255165 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.007149 Jy ! Component: 100 - total flux cleaned = 0.0118823 Jy ! Total flux subtracted in 100 components = 0.0118823 Jy ! Clean residual min=-0.003998 max=0.004311 Jy/beam ! Clean residual mean=-0.000001 rms=0.000923 Jy/beam ! Combined flux in latest and established models = 0.157734 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 43 components and 0.157734 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.058963Jy sigma=1.228524 ! Fit after self-cal, rms=0.058872Jy sigma=1.226741 ! 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=3.795 mas, bmaj=5.413 mas, bpa=-10.68 degrees ! Estimated noise=0.476191 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 = 0.00526678 Jy ! Component: 100 - total flux cleaned = 0.00865828 Jy ! Component: 150 - total flux cleaned = 0.0109963 Jy ! Component: 200 - total flux cleaned = 0.0126356 Jy ! Total flux subtracted in 200 components = 0.0126356 Jy ! Clean residual min=-0.003599 max=0.003439 Jy/beam ! Clean residual mean=0.000005 rms=0.000811 Jy/beam ! Combined flux in latest and established models = 0.17037 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 74 components and 0.17037 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.058298Jy sigma=1.214494 ! Fit after self-cal, rms=0.058249Jy sigma=1.213572 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.795 x 5.413 at -10.68 degrees (North through East) ! Clean map min=-0.0032594 max=0.12268 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.99 HN 1.04 KP 1.01 ! LA 0.93 MK 0.95 NL 1.02 OV 0.97 ! PT 0.97 SC 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 HN 1.03 KP 0.99 ! LA 0.94 MK 0.99 NL 1.03 OV 1.00 ! PT 1.01 SC 1.01 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 HN 1.04 KP 1.03 ! LA 0.95 MK 0.99 NL 1.06 OV 0.99 ! PT 1.00 SC 0.95 ! ! ! Fit before self-cal, rms=0.058249Jy sigma=1.213572 ! Fit after self-cal, rms=0.057503Jy sigma=1.205112 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.786 mas, bmaj=5.421 mas, bpa=-10.53 degrees ! Estimated noise=0.476008 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 = 0.000529648 Jy ! Component: 100 - total flux cleaned = 0.000559587 Jy ! Component: 150 - total flux cleaned = 0.000611682 Jy ! Component: 200 - total flux cleaned = 0.000633976 Jy ! Total flux subtracted in 200 components = 0.000633976 Jy ! Clean residual min=-0.003059 max=0.003428 Jy/beam ! Clean residual mean=0.000019 rms=0.000732 Jy/beam ! Combined flux in latest and established models = 0.171004 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 86 components and 0.171003 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057468Jy sigma=1.204533 ! Fit after self-cal, rms=0.057462Jy sigma=1.204414 ! 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=0.057462Jy sigma=1.204414 ! Fit after self-cal, rms=0.054845Jy sigma=1.184487 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.779 mas, bmaj=5.413 mas, bpa=-9.961 degrees ! Estimated noise=0.474123 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000521869 Jy ! Component: 100 - total flux cleaned = 0.00052755 Jy ! Component: 150 - total flux cleaned = 0.000450787 Jy ! Component: 200 - total flux cleaned = 0.000384077 Jy ! Total flux subtracted in 200 components = 0.000384077 Jy ! Clean residual min=-0.002557 max=0.002650 Jy/beam ! Clean residual mean=0.000000 rms=0.000560 Jy/beam ! Combined flux in latest and established models = 0.171388 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 98 components and 0.171388 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054806Jy sigma=1.183732 ! Fit after self-cal, rms=0.054800Jy sigma=1.183502 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 (-14, 17). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00246172 Jy ! Component: 100 - total flux cleaned = 0.00386093 Jy ! Component: 150 - total flux cleaned = 0.00474987 Jy ! Component: 200 - total flux cleaned = 0.0050445 Jy ! Total flux subtracted in 200 components = 0.0050445 Jy ! Clean residual min=-0.002442 max=0.001842 Jy/beam ! Clean residual mean=0.000003 rms=0.000517 Jy/beam ! Combined flux in latest and established models = 0.176432 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 112 components and 0.176432 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054673Jy sigma=1.180872 ! Fit after self-cal, rms=0.054662Jy sigma=1.180696 ! 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=0.054662Jy sigma=1.180696 ! Fit after self-cal, rms=0.054542Jy sigma=1.180514 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.772 mas, bmaj=5.408 mas, bpa=-9.838 degrees ! Estimated noise=0.473099 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000936734 Jy ! Component: 100 - total flux cleaned = 0.00156421 Jy ! Component: 150 - total flux cleaned = 0.00173232 Jy ! Component: 200 - total flux cleaned = 0.0018381 Jy ! Total flux subtracted in 200 components = 0.0018381 Jy ! Clean residual min=-0.002406 max=0.001824 Jy/beam ! Clean residual mean=0.000001 rms=0.000505 Jy/beam ! Combined flux in latest and established models = 0.17827 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 120 components and 0.17827 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054516Jy sigma=1.180020 ! Fit after self-cal, rms=0.054513Jy sigma=1.179981 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 = 0.000240528 Jy ! Component: 100 - total flux cleaned = 0.000280745 Jy ! Component: 150 - total flux cleaned = 0.000299465 Jy ! Component: 200 - total flux cleaned = 0.000299909 Jy ! Total flux subtracted in 200 components = 0.000299909 Jy ! Clean residual min=-0.002382 max=0.001838 Jy/beam ! Clean residual mean=0.000002 rms=0.000501 Jy/beam ! Combined flux in latest and established models = 0.17857 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 129 components and 0.17857 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054500Jy sigma=1.179734 ! Fit after self-cal, rms=0.054499Jy sigma=1.179719 ! 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=0.054499Jy sigma=1.179719 ! Fit after self-cal, rms=0.054520Jy sigma=1.179669 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.02 mas, bmaj=8.97 mas, bpa=-9.084 degrees ! Estimated noise=0.594748 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000698066 Jy ! Component: 100 - total flux cleaned = 0.000699456 Jy ! Component: 150 - total flux cleaned = 0.000679375 Jy ! Component: 200 - total flux cleaned = 0.000632885 Jy ! Total flux subtracted in 200 components = 0.000632885 Jy ! Clean residual min=-0.002648 max=0.002318 Jy/beam ! Clean residual mean=0.000002 rms=0.000657 Jy/beam ! Combined flux in latest and established models = 0.179203 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 142 components and 0.179203 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054523Jy sigma=1.179702 ! Fit after self-cal, rms=0.054519Jy sigma=1.179672 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 = 0.000189862 Jy ! Component: 100 - total flux cleaned = 0.000176404 Jy ! Component: 150 - total flux cleaned = 0.000176437 Jy ! Component: 200 - total flux cleaned = 0.000176311 Jy ! Total flux subtracted in 200 components = 0.000176311 Jy ! Clean residual min=-0.002634 max=0.002327 Jy/beam ! Clean residual mean=0.000002 rms=0.000653 Jy/beam ! Combined flux in latest and established models = 0.179379 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 149 components and 0.179379 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054522Jy sigma=1.179725 ! Fit after self-cal, rms=0.054521Jy sigma=1.179719 ! 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=3.769 mas, bmaj=5.408 mas, bpa=-9.751 degrees ! Estimated noise=0.473235 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.769 x 5.408 at -9.751 degrees (North through East) ! Clean map min=-0.0023348 max=0.12203 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.222 mas, bmaj=4.555 mas, bpa=-10.3 degrees ! Estimated noise=0.612512 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0939622 Jy ! Component: 100 - total flux cleaned = 0.123134 Jy ! Component: 150 - total flux cleaned = 0.139359 Jy ! Component: 200 - total flux cleaned = 0.149244 Jy ! Total flux subtracted in 200 components = 0.149244 Jy ! Clean residual min=-0.003693 max=0.005287 Jy/beam ! Clean residual mean=-0.000008 rms=0.000906 Jy/beam ! Combined flux in latest and established models = 0.149244 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 23 model components to the UV plane model. ! The established model now contains 23 components and 0.149244 Jy ! Inverting map and beam ! Estimated beam: bmin=3.769 mas, bmaj=5.408 mas, bpa=-9.751 degrees ! Estimated noise=0.473235 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 = 0.00806625 Jy ! Component: 100 - total flux cleaned = 0.0131672 Jy ! Component: 150 - total flux cleaned = 0.0166967 Jy ! Component: 200 - total flux cleaned = 0.019371 Jy ! Total flux subtracted in 200 components = 0.019371 Jy ! Clean residual min=-0.002616 max=0.002093 Jy/beam ! Clean residual mean=-0.000005 rms=0.000566 Jy/beam ! Combined flux in latest and established models = 0.168615 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 63 components and 0.168615 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=8.02 mas, bmaj=8.97 mas, bpa=-9.084 degrees ! Estimated noise=0.594748 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00323459 Jy ! Component: 100 - total flux cleaned = 0.00540653 Jy ! Component: 150 - total flux cleaned = 0.00695877 Jy ! Component: 200 - total flux cleaned = 0.00808522 Jy ! Total flux subtracted in 200 components = 0.00808522 Jy ! Clean residual min=-0.002617 max=0.002220 Jy/beam ! Clean residual mean=-0.000002 rms=0.000659 Jy/beam ! Combined flux in latest and established models = 0.1767 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 = 0.000824962 Jy ! Component: 100 - total flux cleaned = 0.00143384 Jy ! Component: 150 - total flux cleaned = 0.00188448 Jy ! Component: 200 - total flux cleaned = 0.00218389 Jy ! Total flux subtracted in 200 components = 0.00218389 Jy ! Clean residual min=-0.002542 max=0.002341 Jy/beam ! Clean residual mean=0.000001 rms=0.000648 Jy/beam ! Combined flux in latest and established models = 0.178884 Jy ! Adding 69 model components to the UV plane model. ! The established model now contains 126 components and 0.178884 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.769 mas, bmaj=5.408 mas, bpa=-9.751 degrees ! Estimated noise=0.473235 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000232528 Jy ! Component: 100 - total flux cleaned = 0.00045491 Jy ! Component: 150 - total flux cleaned = 0.000523811 Jy ! Component: 200 - total flux cleaned = 0.000645024 Jy ! Total flux subtracted in 200 components = 0.000645024 Jy ! Clean residual min=-0.002355 max=0.001910 Jy/beam ! Clean residual mean=0.000001 rms=0.000505 Jy/beam ! Combined flux in latest and established models = 0.179529 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 139 components and 0.179529 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054575Jy sigma=1.180846 ! Fit after self-cal, rms=0.054568Jy sigma=1.180600 wmodel J1918+4937_S_map.mod ! Writing 139 model components to file: J1918+4937_S_map.mod wobs J1918+4937_S_uvs.fits ! Writing UV FITS file: J1918+4937_S_uvs.fits wwins J1918+4937_S_map.win ! wwins: Wrote 3 windows to J1918+4937_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 = -0.000769935 Jy ! Component: 100 - total flux cleaned = -0.001162 Jy ! Component: 150 - total flux cleaned = -0.00140105 Jy ! Component: 200 - total flux cleaned = -0.00166453 Jy ! Component: 250 - total flux cleaned = -0.00185459 Jy ! Component: 300 - total flux cleaned = -0.00191585 Jy ! Component: 350 - total flux cleaned = -0.00203486 Jy ! Component: 400 - total flux cleaned = -0.00217919 Jy ! Component: 450 - total flux cleaned = -0.00220722 Jy ! Component: 500 - total flux cleaned = -0.00234594 Jy ! Component: 550 - total flux cleaned = -0.00250867 Jy ! Component: 600 - total flux cleaned = -0.00261468 Jy ! Component: 650 - total flux cleaned = -0.00271912 Jy ! Component: 700 - total flux cleaned = -0.00277039 Jy ! Component: 750 - total flux cleaned = -0.0027702 Jy ! Component: 800 - total flux cleaned = -0.00274609 Jy ! Component: 850 - total flux cleaned = -0.00277089 Jy ! Component: 900 - total flux cleaned = -0.00277132 Jy ! Component: 950 - total flux cleaned = -0.00272426 Jy ! Component: 1000 - total flux cleaned = -0.00267817 Jy ! Component: 1050 - total flux cleaned = -0.00265538 Jy ! Component: 1100 - total flux cleaned = -0.00265519 Jy ! Component: 1150 - total flux cleaned = -0.0026325 Jy ! Component: 1200 - total flux cleaned = -0.00258876 Jy ! Component: 1250 - total flux cleaned = -0.00258906 Jy ! Component: 1300 - total flux cleaned = -0.00261008 Jy ! Component: 1350 - total flux cleaned = -0.00254716 Jy ! Component: 1400 - total flux cleaned = -0.00252666 Jy ! Component: 1450 - total flux cleaned = -0.00250597 Jy ! Component: 1500 - total flux cleaned = -0.00240476 Jy ! Component: 1550 - total flux cleaned = -0.00238469 Jy ! Component: 1600 - total flux cleaned = -0.0023255 Jy ! Component: 1650 - total flux cleaned = -0.00222774 Jy ! Component: 1700 - total flux cleaned = -0.00226635 Jy ! Component: 1750 - total flux cleaned = -0.00213249 Jy ! Component: 1800 - total flux cleaned = -0.00211335 Jy ! Component: 1850 - total flux cleaned = -0.00201955 Jy ! Component: 1900 - total flux cleaned = -0.00194531 Jy ! Component: 1950 - total flux cleaned = -0.00200034 Jy ! Component: 2000 - total flux cleaned = -0.00196362 Jy ! Component: 2050 - total flux cleaned = -0.0019635 Jy ! Component: 2100 - total flux cleaned = -0.0018923 Jy ! Component: 2150 - total flux cleaned = -0.00194499 Jy ! Component: 2200 - total flux cleaned = -0.00194503 Jy ! Component: 2250 - total flux cleaned = -0.00194496 Jy ! Component: 2300 - total flux cleaned = -0.00197909 Jy ! Component: 2350 - total flux cleaned = -0.00197903 Jy ! Component: 2400 - total flux cleaned = -0.00209644 Jy ! Component: 2450 - total flux cleaned = -0.00209646 Jy ! Component: 2500 - total flux cleaned = -0.00199757 Jy ! Component: 2550 - total flux cleaned = -0.0021119 Jy ! Component: 2600 - total flux cleaned = -0.00214427 Jy ! Component: 2650 - total flux cleaned = -0.00222423 Jy ! Component: 2700 - total flux cleaned = -0.00220812 Jy ! Component: 2750 - total flux cleaned = -0.00223959 Jy ! Component: 2800 - total flux cleaned = -0.00220819 Jy ! Component: 2850 - total flux cleaned = -0.00225456 Jy ! Component: 2900 - total flux cleaned = -0.00225456 Jy ! Component: 2950 - total flux cleaned = -0.00226974 Jy ! Component: 3000 - total flux cleaned = -0.00220927 Jy ! Component: 3050 - total flux cleaned = -0.00216415 Jy ! Component: 3100 - total flux cleaned = -0.00222395 Jy ! Component: 3150 - total flux cleaned = -0.00219425 Jy ! Component: 3200 - total flux cleaned = -0.00216474 Jy ! Component: 3250 - total flux cleaned = -0.00217919 Jy ! Component: 3300 - total flux cleaned = -0.00215013 Jy ! Component: 3350 - total flux cleaned = -0.00210685 Jy ! Component: 3400 - total flux cleaned = -0.0021354 Jy ! Component: 3450 - total flux cleaned = -0.00209301 Jy ! Component: 3500 - total flux cleaned = -0.00214928 Jy ! Component: 3550 - total flux cleaned = -0.00207952 Jy ! Component: 3600 - total flux cleaned = -0.00207944 Jy ! Component: 3650 - total flux cleaned = -0.00203814 Jy ! Component: 3700 - total flux cleaned = -0.00209279 Jy ! Component: 3750 - total flux cleaned = -0.00202471 Jy ! Component: 3800 - total flux cleaned = -0.00202477 Jy ! Component: 3850 - total flux cleaned = -0.00198453 Jy ! Component: 3900 - total flux cleaned = -0.00195788 Jy ! Component: 3950 - total flux cleaned = -0.00197108 Jy ! Component: 4000 - total flux cleaned = -0.00195804 Jy ! Component: 4050 - total flux cleaned = -0.00202327 Jy ! Total flux subtracted in 4096 components = -0.00190667 Jy ! Clean residual min=-0.000796 max=0.000798 Jy/beam ! Clean residual mean=0.000000 rms=0.000233 Jy/beam ! Combined flux in latest and established models = 0.177623 Jy keep ! Adding 305 model components to the UV plane model. ! The established model now contains 444 components and 0.177623 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1918+4937_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.769 x 5.408 at -9.751 degrees (North through East) ! Clean map min=-0.0014644 max=0.12191 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1918+4937_S_map.fits wmodel /vlbi/uf001/uva//J1918+4937_S_map.mod ! Writing 444 model components to file: /vlbi/uf001/uva//J1918+4937_S_map.mod wobs /vlbi/uf001/uva//J1918+4937_S_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1918+4937_S_uvs.fits wwins /vlbi/uf001/uva//J1918+4937_S_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uva//J1918+4937_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.121914 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000231466 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.569581 0.569581 1.13916 2.27832 4.55664 9.11329 18.2266 36.4532 72.9063 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.121 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 526.703 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1918+4937_S_dfm.log closed on Mon Jan 14 05:00:18 2019