! Started logfile: /vlbi/uf001/uvm//J1242+3751_S_a_dfm.log on Sun Jan 13 21:34:58 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//J1242+3751_S_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1242+3751_S_a_uvm.fits ! AN table 1: 15 integrations on 45 of 45 possible baselines. ! AN table 2: 5 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.810256 visibilities/baseline/integration-bin. ! Found source: J1242+3751 ! ! 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 1896 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 J1242+3751_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 45 telescope corrections were flagged in sub-array 1. ! A total of 14 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 45 telescope corrections were flagged in sub-array 1. ! A total of 14 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 45 telescope corrections were flagged in sub-array 1. ! A total of 14 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.155708Jy sigma=21.021424 ! Fit after self-cal, rms=0.492933Jy sigma=9.351385 ! 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=3.312 mas, bmaj=5.232 mas, bpa=-10.93 degrees ! Estimated noise=1.17422 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 = 0.387985 Jy ! Component: 100 - total flux cleaned = 0.505023 Jy ! Total flux subtracted in 100 components = 0.505023 Jy ! Clean residual min=-0.017584 max=0.048921 Jy/beam ! Clean residual mean=-0.000059 rms=0.004579 Jy/beam ! Combined flux in latest and established models = 0.505022 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.505022 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.123050Jy sigma=2.084885 ! Fit after self-cal, rms=0.122870Jy sigma=2.081810 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0512623 Jy ! Component: 100 - total flux cleaned = 0.0747702 Jy ! Total flux subtracted in 100 components = 0.0747702 Jy ! Clean residual min=-0.013322 max=0.011769 Jy/beam ! Clean residual mean=-0.000018 rms=0.003110 Jy/beam ! Combined flux in latest and established models = 0.579793 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 16 components and 0.579793 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.096270Jy sigma=1.623520 ! Fit after self-cal, rms=0.096188Jy sigma=1.622182 ! 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=3.836 mas, bmaj=5.794 mas, bpa=-7.466 degrees ! Estimated noise=1.03229 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 = 0.0165245 Jy ! Component: 100 - total flux cleaned = 0.0258334 Jy ! Component: 150 - total flux cleaned = 0.0314317 Jy ! Component: 200 - total flux cleaned = 0.0335568 Jy ! Total flux subtracted in 200 components = 0.0335568 Jy ! Clean residual min=-0.012982 max=0.011556 Jy/beam ! Clean residual mean=-0.000007 rms=0.003144 Jy/beam ! Combined flux in latest and established models = 0.613349 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 30 components and 0.613349 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.092866Jy sigma=1.572033 ! Fit after self-cal, rms=0.092828Jy sigma=1.571299 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.836 x 5.794 at -7.466 degrees (North through East) ! Clean map min=-0.012861 max=0.50475 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.00 HN 0.92 KP 1.02 ! LA 0.98 MK 1.02 NL 1.05 OV 0.95 ! PT 0.98 SC 1.05 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.11 FD 1.02 HN 1.00 KP 0.99 ! LA 0.95 NL 1.06 OV 1.05 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.97 HN 1.04 KP 1.06 ! LA 0.97 MK 1.02 NL 1.05 OV 0.90 ! PT 1.00 SC 1.09 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.12 FD 1.06 HN 0.95 KP 0.98 ! LA 0.98 NL 1.10 OV 0.84 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 HN 1.04 KP 1.03 ! LA 0.98 MK 1.04 NL 1.05 OV 0.97 ! PT 0.99 SC 1.08 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.01 HN 1.00 KP 1.04 ! LA 0.96 NL 1.04 OV 1.02 ! ! ! Fit before self-cal, rms=0.092828Jy sigma=1.571299 ! Fit after self-cal, rms=0.083601Jy sigma=1.444850 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.886 mas, bmaj=5.85 mas, bpa=-7.923 degrees ! Estimated noise=1.04526 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 = -0.000302678 Jy ! Component: 100 - total flux cleaned = -0.000156989 Jy ! Component: 150 - total flux cleaned = -0.000447773 Jy ! Component: 200 - total flux cleaned = -0.000691175 Jy ! Total flux subtracted in 200 components = -0.000691175 Jy ! Clean residual min=-0.011314 max=0.011208 Jy/beam ! Clean residual mean=0.000009 rms=0.002792 Jy/beam ! Combined flux in latest and established models = 0.612658 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 39 components and 0.612658 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.083182Jy sigma=1.441549 ! Fit after self-cal, rms=0.083167Jy sigma=1.441154 ! 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=0.083167Jy sigma=1.441154 ! Fit after self-cal, rms=0.065191Jy sigma=1.117568 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.9 mas, bmaj=5.842 mas, bpa=-7.761 degrees ! Estimated noise=1.04511 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00103678 Jy ! Component: 100 - total flux cleaned = -0.00145021 Jy ! Component: 150 - total flux cleaned = -0.00171247 Jy ! Component: 200 - total flux cleaned = -0.00188329 Jy ! Total flux subtracted in 200 components = -0.00188329 Jy ! Clean residual min=-0.004879 max=0.007767 Jy/beam ! Clean residual mean=0.000000 rms=0.001342 Jy/beam ! Combined flux in latest and established models = 0.610775 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 52 components and 0.610775 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065004Jy sigma=1.114307 ! Fit after self-cal, rms=0.064996Jy sigma=1.113925 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 (11.5, -1.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00764322 Jy ! Component: 100 - total flux cleaned = 0.011215 Jy ! Component: 150 - total flux cleaned = 0.0126069 Jy ! Component: 200 - total flux cleaned = 0.0129824 Jy ! Total flux subtracted in 200 components = 0.0129824 Jy ! Clean residual min=-0.004501 max=0.005897 Jy/beam ! Clean residual mean=0.000011 rms=0.001198 Jy/beam ! Combined flux in latest and established models = 0.623757 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 73 components and 0.623757 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.064034Jy sigma=1.096175 ! Fit after self-cal, rms=0.063949Jy sigma=1.094794 ! Inverting map ! Added new window around map position (-63, -72). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00491771 Jy ! Component: 100 - total flux cleaned = 0.00655821 Jy ! Component: 150 - total flux cleaned = 0.00732114 Jy ! Component: 200 - total flux cleaned = 0.00770757 Jy ! Total flux subtracted in 200 components = 0.00770757 Jy ! Clean residual min=-0.004112 max=0.004944 Jy/beam ! Clean residual mean=0.000005 rms=0.001129 Jy/beam ! Combined flux in latest and established models = 0.631465 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 90 components and 0.631465 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.063512Jy sigma=1.086570 ! Fit after self-cal, rms=0.063497Jy sigma=1.086185 ! Inverting map ! Added new window around map position (44, 5.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0026346 Jy ! Component: 100 - total flux cleaned = 0.00353834 Jy ! Component: 150 - total flux cleaned = 0.0044043 Jy ! Component: 200 - total flux cleaned = 0.00468987 Jy ! Total flux subtracted in 200 components = 0.00468987 Jy ! Clean residual min=-0.004239 max=0.004198 Jy/beam ! Clean residual mean=0.000005 rms=0.001087 Jy/beam ! Combined flux in latest and established models = 0.636155 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 107 components and 0.636155 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.063163Jy sigma=1.080061 ! Fit after self-cal, rms=0.063149Jy sigma=1.079818 ! 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=0.063149Jy sigma=1.079818 ! Fit after self-cal, rms=0.062991Jy sigma=1.076148 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.899 mas, bmaj=5.852 mas, bpa=-7.565 degrees ! Estimated noise=1.04534 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0020804 Jy ! Component: 100 - total flux cleaned = 0.00248008 Jy ! Component: 150 - total flux cleaned = 0.00240969 Jy ! Component: 200 - total flux cleaned = 0.00240961 Jy ! Total flux subtracted in 200 components = 0.00240961 Jy ! Clean residual min=-0.004137 max=0.003971 Jy/beam ! Clean residual mean=-0.000001 rms=0.001026 Jy/beam ! Combined flux in latest and established models = 0.638564 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 115 components and 0.638564 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.062786Jy sigma=1.072473 ! Fit after self-cal, rms=0.062776Jy sigma=1.072332 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 = 0.00054286 Jy ! Component: 100 - total flux cleaned = 0.000543 Jy ! Component: 150 - total flux cleaned = 0.000596039 Jy ! Component: 200 - total flux cleaned = 0.000594077 Jy ! Total flux subtracted in 200 components = 0.000594077 Jy ! Clean residual min=-0.004095 max=0.003861 Jy/beam ! Clean residual mean=-0.000001 rms=0.001013 Jy/beam ! Combined flux in latest and established models = 0.639158 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 123 components and 0.639158 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.062686Jy sigma=1.070699 ! Fit after self-cal, rms=0.062684Jy sigma=1.070678 ! 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=0.062684Jy sigma=1.070678 ! Fit after self-cal, rms=0.062672Jy sigma=1.070066 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.247 mas, bmaj=9.068 mas, bpa=-8.247 degrees ! Estimated noise=1.29724 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00227101 Jy ! Component: 100 - total flux cleaned = 0.00219946 Jy ! Component: 150 - total flux cleaned = 0.00232274 Jy ! Component: 200 - total flux cleaned = 0.00237905 Jy ! Total flux subtracted in 200 components = 0.00237905 Jy ! Clean residual min=-0.004358 max=0.004871 Jy/beam ! Clean residual mean=0.000002 rms=0.001152 Jy/beam ! Combined flux in latest and established models = 0.641538 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 138 components and 0.641537 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.062625Jy sigma=1.069255 ! Fit after self-cal, rms=0.062612Jy sigma=1.069113 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 (28.5, -6.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00483279 Jy ! Component: 100 - total flux cleaned = 0.00775493 Jy ! Component: 150 - total flux cleaned = 0.00906569 Jy ! Component: 200 - total flux cleaned = 0.00986541 Jy ! Total flux subtracted in 200 components = 0.00986541 Jy ! Clean residual min=-0.003734 max=0.004047 Jy/beam ! Clean residual mean=0.000012 rms=0.001021 Jy/beam ! Combined flux in latest and established models = 0.651403 Jy ! Performing phase self-cal ! Adding 54 model components to the UV plane model. ! The established model now contains 191 components and 0.651403 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.062332Jy sigma=1.063687 ! Fit after self-cal, rms=0.062313Jy sigma=1.063429 ! 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=3.9 mas, bmaj=5.857 mas, bpa=-7.501 degrees ! Estimated noise=1.0453 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.9 x 5.857 at -7.501 degrees (North through East) ! Clean map min=-0.003739 max=0.51136 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 ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.062313Jy sigma=1.063429 ! Fit after self-cal, rms=0.058648Jy sigma=0.992891 ! Inverting map and beam ! Estimated beam: bmin=3.902 mas, bmaj=5.86 mas, bpa=-7.443 degrees ! Estimated noise=1.04487 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00144012 Jy ! Component: 100 - total flux cleaned = 0.00199884 Jy ! Component: 150 - total flux cleaned = 0.00248677 Jy ! Component: 200 - total flux cleaned = 0.00278491 Jy ! Total flux subtracted in 200 components = 0.00278491 Jy ! Clean residual min=-0.003764 max=0.003863 Jy/beam ! Clean residual mean=0.000008 rms=0.000888 Jy/beam ! Combined flux in latest and established models = 0.654188 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 227 components and 0.654188 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.058427Jy sigma=0.988492 ! Fit after self-cal, rms=0.058419Jy sigma=0.988394 ! Inverting map ! Added new window around map position (-10.5, 112). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00205448 Jy ! Component: 100 - total flux cleaned = 0.00297633 Jy ! Component: 150 - total flux cleaned = 0.00348976 Jy ! Component: 200 - total flux cleaned = 0.00368977 Jy ! Total flux subtracted in 200 components = 0.00368977 Jy ! Clean residual min=-0.003578 max=0.003584 Jy/beam ! Clean residual mean=0.000009 rms=0.000855 Jy/beam ! Combined flux in latest and established models = 0.657878 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 246 components and 0.657878 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.058125Jy sigma=0.983860 ! Fit after self-cal, rms=0.058109Jy sigma=0.983639 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.058109Jy sigma=0.983639 ! Fit after self-cal, rms=0.058049Jy sigma=0.983167 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=3.364 mas, bmaj=5.282 mas, bpa=-11 degrees ! Estimated noise=1.19435 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.394015 Jy ! Component: 100 - total flux cleaned = 0.510241 Jy ! Component: 150 - total flux cleaned = 0.560275 Jy ! Component: 200 - total flux cleaned = 0.582799 Jy ! Total flux subtracted in 200 components = 0.582799 Jy ! Clean residual min=-0.007226 max=0.013178 Jy/beam ! Clean residual mean=-0.000026 rms=0.001695 Jy/beam ! Combined flux in latest and established models = 0.582799 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 18 model components to the UV plane model. ! The established model now contains 18 components and 0.582799 Jy ! Inverting map and beam ! Estimated beam: bmin=3.901 mas, bmaj=5.859 mas, bpa=-7.451 degrees ! Estimated noise=1.04452 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) ! Added new window around map position (5, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.01583 Jy ! Component: 100 - total flux cleaned = 0.0259385 Jy ! Component: 150 - total flux cleaned = 0.0334835 Jy ! Component: 200 - total flux cleaned = 0.0398699 Jy ! Total flux subtracted in 200 components = 0.0398699 Jy ! Clean residual min=-0.004930 max=0.004444 Jy/beam ! Clean residual mean=0.000000 rms=0.001165 Jy/beam ! Combined flux in latest and established models = 0.622669 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 48 components and 0.622669 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=8.247 mas, bmaj=9.074 mas, bpa=-8.09 degrees ! Estimated noise=1.29563 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00674389 Jy ! Component: 100 - total flux cleaned = 0.0116672 Jy ! Component: 150 - total flux cleaned = 0.0156703 Jy ! Component: 200 - total flux cleaned = 0.0191188 Jy ! Total flux subtracted in 200 components = 0.0191188 Jy ! Clean residual min=-0.004091 max=0.004417 Jy/beam ! Clean residual mean=0.000018 rms=0.001068 Jy/beam ! Combined flux in latest and established models = 0.641788 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 = 0.00299696 Jy ! Component: 100 - total flux cleaned = 0.00564156 Jy ! Component: 150 - total flux cleaned = 0.00716512 Jy ! Component: 200 - total flux cleaned = 0.0083909 Jy ! Total flux subtracted in 200 components = 0.0083909 Jy ! Clean residual min=-0.003729 max=0.004329 Jy/beam ! Clean residual mean=0.000022 rms=0.000984 Jy/beam ! Combined flux in latest and established models = 0.650178 Jy ! Adding 129 model components to the UV plane model. ! The established model now contains 172 components and 0.650178 Jy ! Inverting map ! Added new window around map position (-65.5, -23). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00284824 Jy ! Component: 100 - total flux cleaned = 0.0042439 Jy ! Component: 150 - total flux cleaned = 0.00521518 Jy ! Component: 200 - total flux cleaned = 0.00617671 Jy ! Total flux subtracted in 200 components = 0.00617671 Jy ! Clean residual min=-0.003629 max=0.003372 Jy/beam ! Clean residual mean=0.000015 rms=0.000899 Jy/beam ! Combined flux in latest and established models = 0.656355 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 206 components and 0.656355 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.901 mas, bmaj=5.859 mas, bpa=-7.451 degrees ! Estimated noise=1.04452 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00276295 Jy ! Component: 100 - total flux cleaned = 0.00404057 Jy ! Component: 150 - total flux cleaned = 0.00499566 Jy ! Component: 200 - total flux cleaned = 0.00567847 Jy ! Total flux subtracted in 200 components = 0.00567847 Jy ! Clean residual min=-0.003590 max=0.003567 Jy/beam ! Clean residual mean=0.000006 rms=0.000918 Jy/beam ! Combined flux in latest and established models = 0.662033 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 238 components and 0.662034 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.058927Jy sigma=0.998603 ! Fit after self-cal, rms=0.058858Jy sigma=0.997555 wmodel J1242+3751_S_a_map.mod ! Writing 238 model components to file: J1242+3751_S_a_map.mod wobs J1242+3751_S_a_uvs.fits ! Writing UV FITS file: J1242+3751_S_a_uvs.fits wwins J1242+3751_S_a_map.win ! wwins: Wrote 8 windows to J1242+3751_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 = -0.00027083 Jy ! Component: 100 - total flux cleaned = -0.000333466 Jy ! Component: 150 - total flux cleaned = -0.000273262 Jy ! Component: 200 - total flux cleaned = -0.000332872 Jy ! Component: 250 - total flux cleaned = -0.000217336 Jy ! Component: 300 - total flux cleaned = -4.74182e-05 Jy ! Component: 350 - total flux cleaned = 6.25955e-05 Jy ! Component: 400 - total flux cleaned = 0.000226495 Jy ! Component: 450 - total flux cleaned = 0.000495319 Jy ! Component: 500 - total flux cleaned = 0.000863759 Jy ! Component: 550 - total flux cleaned = 0.00117402 Jy ! Component: 600 - total flux cleaned = 0.00142828 Jy ! Component: 650 - total flux cleaned = 0.00157928 Jy ! Component: 700 - total flux cleaned = 0.00192733 Jy ! Component: 750 - total flux cleaned = 0.00207369 Jy ! Component: 800 - total flux cleaned = 0.00245892 Jy ! Component: 850 - total flux cleaned = 0.00260089 Jy ! Component: 900 - total flux cleaned = 0.00274209 Jy ! Component: 950 - total flux cleaned = 0.0030204 Jy ! Component: 1000 - total flux cleaned = 0.00324922 Jy ! Component: 1050 - total flux cleaned = 0.00329428 Jy ! Component: 1100 - total flux cleaned = 0.00347415 Jy ! Component: 1150 - total flux cleaned = 0.00365062 Jy ! Component: 1200 - total flux cleaned = 0.00387 Jy ! Component: 1250 - total flux cleaned = 0.00400007 Jy ! Component: 1300 - total flux cleaned = 0.00417089 Jy ! Component: 1350 - total flux cleaned = 0.00425572 Jy ! Component: 1400 - total flux cleaned = 0.00454923 Jy ! Component: 1450 - total flux cleaned = 0.00459075 Jy ! Component: 1500 - total flux cleaned = 0.00471415 Jy ! Component: 1550 - total flux cleaned = 0.00483644 Jy ! Component: 1600 - total flux cleaned = 0.00503745 Jy ! Component: 1650 - total flux cleaned = 0.00503788 Jy ! Component: 1700 - total flux cleaned = 0.0050772 Jy ! Component: 1750 - total flux cleaned = 0.00515681 Jy ! Component: 1800 - total flux cleaned = 0.00527376 Jy ! Component: 1850 - total flux cleaned = 0.00515867 Jy ! Component: 1900 - total flux cleaned = 0.0053493 Jy ! Component: 1950 - total flux cleaned = 0.00538704 Jy ! Component: 2000 - total flux cleaned = 0.00527435 Jy ! Component: 2050 - total flux cleaned = 0.00527495 Jy ! Component: 2100 - total flux cleaned = 0.00527469 Jy ! Component: 2150 - total flux cleaned = 0.00542079 Jy ! Component: 2200 - total flux cleaned = 0.005457 Jy ! Component: 2250 - total flux cleaned = 0.00538535 Jy ! Component: 2300 - total flux cleaned = 0.00538556 Jy ! Component: 2350 - total flux cleaned = 0.00549217 Jy ! Component: 2400 - total flux cleaned = 0.00563239 Jy ! Component: 2450 - total flux cleaned = 0.00577123 Jy ! Component: 2500 - total flux cleaned = 0.00577124 Jy ! Component: 2550 - total flux cleaned = 0.00601046 Jy ! Component: 2600 - total flux cleaned = 0.00583964 Jy ! Component: 2650 - total flux cleaned = 0.00597508 Jy ! Component: 2700 - total flux cleaned = 0.00600852 Jy ! Component: 2750 - total flux cleaned = 0.0060081 Jy ! Component: 2800 - total flux cleaned = 0.0062063 Jy ! Component: 2850 - total flux cleaned = 0.00636977 Jy ! Component: 2900 - total flux cleaned = 0.00633746 Jy ! Component: 2950 - total flux cleaned = 0.00640221 Jy ! Component: 3000 - total flux cleaned = 0.00643415 Jy ! Component: 3050 - total flux cleaned = 0.00630743 Jy ! Component: 3100 - total flux cleaned = 0.00646581 Jy ! Component: 3150 - total flux cleaned = 0.00655992 Jy ! Component: 3200 - total flux cleaned = 0.00659113 Jy ! Component: 3250 - total flux cleaned = 0.00665328 Jy ! Component: 3300 - total flux cleaned = 0.00671523 Jy ! Component: 3350 - total flux cleaned = 0.00686766 Jy ! Component: 3400 - total flux cleaned = 0.00689759 Jy ! Component: 3450 - total flux cleaned = 0.00689749 Jy ! Component: 3500 - total flux cleaned = 0.00704701 Jy ! Component: 3550 - total flux cleaned = 0.00713583 Jy ! Component: 3600 - total flux cleaned = 0.00710613 Jy ! Component: 3650 - total flux cleaned = 0.00716498 Jy ! Component: 3700 - total flux cleaned = 0.0073111 Jy ! Component: 3750 - total flux cleaned = 0.00731115 Jy ! Component: 3800 - total flux cleaned = 0.00728225 Jy ! Component: 3850 - total flux cleaned = 0.00745489 Jy ! Component: 3900 - total flux cleaned = 0.00751207 Jy ! Component: 3950 - total flux cleaned = 0.00756852 Jy ! Component: 4000 - total flux cleaned = 0.00762468 Jy ! Component: 4050 - total flux cleaned = 0.00759673 Jy ! Total flux subtracted in 4096 components = 0.00770832 Jy ! Clean residual min=-0.001497 max=0.001805 Jy/beam ! Clean residual mean=0.000002 rms=0.000498 Jy/beam ! Combined flux in latest and established models = 0.669742 Jy keep ! Adding 291 model components to the UV plane model. ! The established model now contains 529 components and 0.669742 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1242+3751_S_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.901 x 5.859 at -7.451 degrees (North through East) ! Clean map min=-0.0026186 max=0.51245 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1242+3751_S_a_map.fits wmodel /vlbi/uf001/uvm//J1242+3751_S_a_map.mod ! Writing 529 model components to file: /vlbi/uf001/uvm//J1242+3751_S_a_map.mod wobs /vlbi/uf001/uvm//J1242+3751_S_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1242+3751_S_a_uvs.fits wwins /vlbi/uf001/uvm//J1242+3751_S_a_map.win ! wwins: Wrote 9 windows to /vlbi/uf001/uvm//J1242+3751_S_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.512452 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000498329 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.291732 0.291732 0.583464 1.16693 2.33386 4.66771 9.33542 18.6708 37.3417 74.6834 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0014 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.512 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1028.34 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1242+3751_S_a_dfm.log closed on Sun Jan 13 21:35:03 2019