! Started logfile: /vlbi/uf001/uvm//J1246-0730_S_b_dfm.log on Sun Jan 13 21:35:15 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//J1246-0730_S_b_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1246-0730_S_b_uvm.fits ! AN table 1: 10 integrations on 45 of 45 possible baselines. ! AN table 2: 10 integrations on 21 of 21 possible baselines. ! AN table 3: 5 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.81125 visibilities/baseline/integration-bin. ! Found source: J1246-0730 ! ! 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 1947 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 J1246-0730_S_b] 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 31 telescope corrections were flagged in sub-array 1. ! A total of 22 telescope corrections were flagged in sub-array 2. ! A total of 10 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 31 telescope corrections were flagged in sub-array 1. ! A total of 22 telescope corrections were flagged in sub-array 2. ! A total of 10 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 31 telescope corrections were flagged in sub-array 1. ! A total of 22 telescope corrections were flagged in sub-array 2. ! A total of 10 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.166716Jy sigma=18.091449 ! Fit after self-cal, rms=0.499041Jy sigma=7.252717 ! 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=2.667 mas, bmaj=7.508 mas, bpa=-6.479 degrees ! Estimated noise=1.51587 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 = 0.428034 Jy ! Component: 100 - total flux cleaned = 0.525763 Jy ! Total flux subtracted in 100 components = 0.525763 Jy ! Clean residual min=-0.042460 max=0.070089 Jy/beam ! Clean residual mean=0.000035 rms=0.011079 Jy/beam ! Combined flux in latest and established models = 0.525763 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.525763 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.223909Jy sigma=3.163550 ! Fit after self-cal, rms=0.223916Jy sigma=3.163449 ! Inverting map ! Added new window around map position (3.5, -8.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0501443 Jy ! Component: 100 - total flux cleaned = 0.0599722 Jy ! Total flux subtracted in 100 components = 0.0599722 Jy ! Clean residual min=-0.039412 max=0.050963 Jy/beam ! Clean residual mean=0.000039 rms=0.009304 Jy/beam ! Combined flux in latest and established models = 0.585735 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 12 components and 0.585735 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.205580Jy sigma=2.871712 ! Fit after self-cal, rms=0.204100Jy sigma=2.845666 ! 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=3.324 mas, bmaj=9.353 mas, bpa=-7.519 degrees ! Estimated noise=1.21595 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 = 0.028392 Jy ! Component: 100 - total flux cleaned = 0.0326635 Jy ! Component: 150 - total flux cleaned = 0.0345795 Jy ! Component: 200 - total flux cleaned = 0.0362218 Jy ! Total flux subtracted in 200 components = 0.0362218 Jy ! Clean residual min=-0.038530 max=0.049142 Jy/beam ! Clean residual mean=0.000069 rms=0.008165 Jy/beam ! Combined flux in latest and established models = 0.621957 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 23 components and 0.621957 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.197194Jy sigma=2.732089 ! Fit after self-cal, rms=0.196896Jy sigma=2.727422 ! Inverting map ! Added new window around map position (-7, -6.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0475766 Jy ! Component: 100 - total flux cleaned = 0.0712546 Jy ! Component: 150 - total flux cleaned = 0.0760204 Jy ! Component: 200 - total flux cleaned = 0.0794377 Jy ! Total flux subtracted in 200 components = 0.0794377 Jy ! Clean residual min=-0.033131 max=0.027133 Jy/beam ! Clean residual mean=0.000054 rms=0.006613 Jy/beam ! Combined flux in latest and established models = 0.701395 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 47 components and 0.701395 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.182884Jy sigma=2.519322 ! Fit after self-cal, rms=0.181608Jy sigma=2.498591 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.324 x 9.353 at -7.519 degrees (North through East) ! Clean map min=-0.042813 max=0.4935 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.85 FD 0.90 HN 0.95 KP 0.97 ! LA 0.95 MK 0.98 NL 0.94 OV 0.97 ! PT 0.98 SC 1.01 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 0.90 HN 1.02 KP 1.06 LA 0.88 ! NL 1.51 OV 1.02 PT 1.01 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.48 FD 1.48 HN 2.20 KP 1.21 ! LA 1.09 MK 1.23 NL 1.45 PT 1.05 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 2.65 FD 0.88 HN 0.97 KP 0.96 ! LA 0.96 MK 0.95 NL 0.96 OV 0.93 ! PT 0.98 SC 0.99 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 0.89 HN 1.07 KP 1.00 LA 0.90 ! NL 1.01 OV 0.83 PT 1.02 ! ! Telescope amplitude corrections in sub-array 3: ! BR 2.23 FD 1.33 HN 1.85 KP 1.21 ! LA 1.07 MK 1.12 NL 0.82 PT 1.18 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 5.35 FD 0.91 HN 0.96 KP 0.97 ! LA 0.96 MK 0.95 NL 0.97 OV 0.93 ! PT 0.99 SC 1.00 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 0.89 HN 1.08 KP 1.02 LA 0.94 ! NL 0.98 OV 0.95 PT 1.01 ! ! Telescope amplitude corrections in sub-array 3: ! BR 2.06 FD 1.32 HN 1.87 KP 1.27 ! LA 1.04 MK 1.16 NL 1.20 PT 1.12 ! ! ! Fit before self-cal, rms=0.181608Jy sigma=2.498591 ! Fit after self-cal, rms=0.196330Jy sigma=1.758428 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.315 mas, bmaj=9.463 mas, bpa=-7.424 degrees ! Estimated noise=1.27644 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 = 0.00649804 Jy ! Component: 100 - total flux cleaned = 0.00769473 Jy ! Component: 150 - total flux cleaned = 0.00803911 Jy ! Component: 200 - total flux cleaned = 0.00862631 Jy ! Total flux subtracted in 200 components = 0.00862631 Jy ! Clean residual min=-0.011843 max=0.013683 Jy/beam ! Clean residual mean=0.000038 rms=0.003170 Jy/beam ! Combined flux in latest and established models = 0.710021 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 74 components and 0.710021 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.194710Jy sigma=1.720892 ! Fit after self-cal, rms=0.195662Jy sigma=1.715801 ! 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=0.195662Jy sigma=1.715801 ! Fit after self-cal, rms=0.205896Jy sigma=1.606470 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.314 mas, bmaj=9.466 mas, bpa=-7.382 degrees ! Estimated noise=1.27147 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00637204 Jy ! Component: 100 - total flux cleaned = 0.00690032 Jy ! Component: 150 - total flux cleaned = 0.00712665 Jy ! Component: 200 - total flux cleaned = 0.00773219 Jy ! Total flux subtracted in 200 components = 0.00773219 Jy ! Clean residual min=-0.009304 max=0.010515 Jy/beam ! Clean residual mean=0.000034 rms=0.002381 Jy/beam ! Combined flux in latest and established models = 0.717753 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 97 components and 0.717753 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.205140Jy sigma=1.591534 ! Fit after self-cal, rms=0.205070Jy sigma=1.590230 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 (-18, 8.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00978418 Jy ! Component: 100 - total flux cleaned = 0.0130573 Jy ! Component: 150 - total flux cleaned = 0.0146376 Jy ! Component: 200 - total flux cleaned = 0.0149971 Jy ! Total flux subtracted in 200 components = 0.0149971 Jy ! Clean residual min=-0.007896 max=0.008166 Jy/beam ! Clean residual mean=0.000019 rms=0.002151 Jy/beam ! Combined flux in latest and established models = 0.732751 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 123 components and 0.732751 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.204311Jy sigma=1.576129 ! Fit after self-cal, rms=0.204330Jy sigma=1.575441 ! 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=0.204330Jy sigma=1.575441 ! Fit after self-cal, rms=0.204527Jy sigma=1.572598 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.313 mas, bmaj=9.453 mas, bpa=-7.358 degrees ! Estimated noise=1.26789 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00421718 Jy ! Component: 100 - total flux cleaned = 0.00535114 Jy ! Component: 150 - total flux cleaned = 0.00620637 Jy ! Component: 200 - total flux cleaned = 0.00652719 Jy ! Total flux subtracted in 200 components = 0.00652719 Jy ! Clean residual min=-0.007758 max=0.007995 Jy/beam ! Clean residual mean=0.000018 rms=0.002059 Jy/beam ! Combined flux in latest and established models = 0.739278 Jy selfcal ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 142 components and 0.739278 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.204015Jy sigma=1.565945 ! Fit after self-cal, rms=0.203996Jy sigma=1.565516 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 = 0.00125236 Jy ! Component: 100 - total flux cleaned = 0.001712 Jy ! Component: 150 - total flux cleaned = 0.00200268 Jy ! Component: 200 - total flux cleaned = 0.00214272 Jy ! Total flux subtracted in 200 components = 0.00214272 Jy ! Clean residual min=-0.007666 max=0.007991 Jy/beam ! Clean residual mean=0.000016 rms=0.002017 Jy/beam ! Combined flux in latest and established models = 0.741421 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 149 components and 0.741421 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.203658Jy sigma=1.561332 ! Fit after self-cal, rms=0.203620Jy sigma=1.561172 ! 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=0.203620Jy sigma=1.561172 ! Fit after self-cal, rms=0.203668Jy sigma=1.560233 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.571 mas, bmaj=16.88 mas, bpa=-8.64 degrees ! Estimated noise=1.5996 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00140117 Jy ! Component: 100 - total flux cleaned = 0.00226756 Jy ! Component: 150 - total flux cleaned = 0.00309161 Jy ! Component: 200 - total flux cleaned = 0.00338982 Jy ! Total flux subtracted in 200 components = 0.00338982 Jy ! Clean residual min=-0.008604 max=0.011396 Jy/beam ! Clean residual mean=0.000027 rms=0.002550 Jy/beam ! Combined flux in latest and established models = 0.74481 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 171 components and 0.74481 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.203410Jy sigma=1.559324 ! Fit after self-cal, rms=0.203403Jy sigma=1.558892 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 (-127, -103). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00749278 Jy ! Component: 100 - total flux cleaned = 0.00658172 Jy ! Component: 150 - total flux cleaned = 0.00639921 Jy ! Component: 200 - total flux cleaned = 0.00639742 Jy ! Total flux subtracted in 200 components = 0.00639742 Jy ! Clean residual min=-0.010019 max=0.008840 Jy/beam ! Clean residual mean=0.000013 rms=0.002329 Jy/beam ! Combined flux in latest and established models = 0.751208 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 211 components and 0.751208 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.202762Jy sigma=1.550633 ! Fit after self-cal, rms=0.202649Jy sigma=1.549626 ! 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=3.311 mas, bmaj=9.439 mas, bpa=-7.337 degrees ! Estimated noise=1.26533 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.311 x 9.439 at -7.337 degrees (North through East) ! Clean map min=-0.019551 max=0.50724 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=0.202649Jy sigma=1.549626 ! Fit after self-cal, rms=0.325833Jy sigma=1.157752 ! Inverting map and beam ! Estimated beam: bmin=3.304 mas, bmaj=9.437 mas, bpa=-7.377 degrees ! Estimated noise=1.26338 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00376563 Jy ! Component: 100 - total flux cleaned = 0.00556046 Jy ! Component: 150 - total flux cleaned = 0.00659553 Jy ! Component: 200 - total flux cleaned = 0.0068653 Jy ! Total flux subtracted in 200 components = 0.0068653 Jy ! Clean residual min=-0.006558 max=0.006744 Jy/beam ! Clean residual mean=0.000007 rms=0.001717 Jy/beam ! Combined flux in latest and established models = 0.758073 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 232 components and 0.758073 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.325449Jy sigma=1.152374 ! Fit after self-cal, rms=0.325457Jy sigma=1.152106 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000836256 Jy ! Component: 100 - total flux cleaned = 0.00122308 Jy ! Component: 150 - total flux cleaned = 0.00134248 Jy ! Component: 200 - total flux cleaned = 0.00133955 Jy ! Total flux subtracted in 200 components = 0.00133955 Jy ! Clean residual min=-0.006498 max=0.006498 Jy/beam ! Clean residual mean=0.000007 rms=0.001683 Jy/beam ! Combined flux in latest and established models = 0.759413 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 244 components and 0.759413 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.325229Jy sigma=1.148803 ! Fit after self-cal, rms=0.325201Jy sigma=1.148675 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.325201Jy sigma=1.148675 ! Fit after self-cal, rms=0.324977Jy sigma=1.147995 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=2.643 mas, bmaj=7.598 mas, bpa=-6.593 degrees ! Estimated noise=1.57904 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.44382 Jy ! Component: 100 - total flux cleaned = 0.547809 Jy ! Component: 150 - total flux cleaned = 0.590101 Jy ! Component: 200 - total flux cleaned = 0.618482 Jy ! Total flux subtracted in 200 components = 0.618482 Jy ! Clean residual min=-0.013258 max=0.016493 Jy/beam ! Clean residual mean=0.000027 rms=0.003594 Jy/beam ! Combined flux in latest and established models = 0.618482 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 30 model components to the UV plane model. ! The established model now contains 30 components and 0.618482 Jy ! Inverting map and beam ! Estimated beam: bmin=3.299 mas, bmaj=9.429 mas, bpa=-7.402 degrees ! Estimated noise=1.26151 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 = 0.0332497 Jy ! Component: 100 - total flux cleaned = 0.05566 Jy ! Component: 150 - total flux cleaned = 0.072494 Jy ! Component: 200 - total flux cleaned = 0.0855795 Jy ! Total flux subtracted in 200 components = 0.0855795 Jy ! Clean residual min=-0.008602 max=0.011099 Jy/beam ! Clean residual mean=0.000033 rms=0.002546 Jy/beam ! Combined flux in latest and established models = 0.704062 Jy ! Adding 70 model components to the UV plane model. ! The established model now contains 95 components and 0.704062 Jy ! Inverting map ! Added new window around map position (-38, 49). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0116822 Jy ! Component: 100 - total flux cleaned = 0.0209623 Jy ! Component: 150 - total flux cleaned = 0.0267954 Jy ! Component: 200 - total flux cleaned = 0.0308861 Jy ! Total flux subtracted in 200 components = 0.0308861 Jy ! Clean residual min=-0.007412 max=0.008168 Jy/beam ! Clean residual mean=0.000021 rms=0.001999 Jy/beam ! Combined flux in latest and established models = 0.734948 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 129 components and 0.734948 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=7.552 mas, bmaj=16.86 mas, bpa=-8.665 degrees ! Estimated noise=1.60101 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00984431 Jy ! Component: 100 - total flux cleaned = 0.016929 Jy ! Component: 150 - total flux cleaned = 0.021186 Jy ! Component: 200 - total flux cleaned = 0.0235903 Jy ! Total flux subtracted in 200 components = 0.0235903 Jy ! Clean residual min=-0.007872 max=0.008811 Jy/beam ! Clean residual mean=0.000018 rms=0.002262 Jy/beam ! Combined flux in latest and established models = 0.758538 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 = 0.00106907 Jy ! Component: 100 - total flux cleaned = 0.00140001 Jy ! Component: 150 - total flux cleaned = 0.00171518 Jy ! Component: 200 - total flux cleaned = 0.00201007 Jy ! Total flux subtracted in 200 components = 0.00201007 Jy ! Clean residual min=-0.008118 max=0.008458 Jy/beam ! Clean residual mean=0.000014 rms=0.002167 Jy/beam ! Combined flux in latest and established models = 0.760548 Jy ! Adding 86 model components to the UV plane model. ! The established model now contains 209 components and 0.760548 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.299 mas, bmaj=9.429 mas, bpa=-7.402 degrees ! Estimated noise=1.26151 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0028837 Jy ! Component: 100 - total flux cleaned = -0.0025277 Jy ! Component: 150 - total flux cleaned = -0.00186751 Jy ! Component: 200 - total flux cleaned = -0.00109679 Jy ! Total flux subtracted in 200 components = -0.00109679 Jy ! Clean residual min=-0.006506 max=0.006527 Jy/beam ! Clean residual mean=0.000010 rms=0.001671 Jy/beam ! Combined flux in latest and established models = 0.759451 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 232 components and 0.759451 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.324703Jy sigma=1.147717 ! Fit after self-cal, rms=0.324421Jy sigma=1.142838 wmodel J1246-0730_S_b_map.mod ! Writing 232 model components to file: J1246-0730_S_b_map.mod wobs J1246-0730_S_b_uvs.fits ! Writing UV FITS file: J1246-0730_S_b_uvs.fits wwins J1246-0730_S_b_map.win ! wwins: Wrote 6 windows to J1246-0730_S_b_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 = 0.000123269 Jy ! Component: 100 - total flux cleaned = -0.00051704 Jy ! Component: 150 - total flux cleaned = -0.000927743 Jy ! Component: 200 - total flux cleaned = -0.00112827 Jy ! Component: 250 - total flux cleaned = -0.00113154 Jy ! Component: 300 - total flux cleaned = -0.0010405 Jy ! Component: 350 - total flux cleaned = -0.00122528 Jy ! Component: 400 - total flux cleaned = -0.00140487 Jy ! Component: 450 - total flux cleaned = -0.00131868 Jy ! Component: 500 - total flux cleaned = -0.00140741 Jy ! Component: 550 - total flux cleaned = -0.0015762 Jy ! Component: 600 - total flux cleaned = -0.00149431 Jy ! Component: 650 - total flux cleaned = -0.00182268 Jy ! Component: 700 - total flux cleaned = -0.00182229 Jy ! Component: 750 - total flux cleaned = -0.0017435 Jy ! Component: 800 - total flux cleaned = -0.00205945 Jy ! Component: 850 - total flux cleaned = -0.00213742 Jy ! Component: 900 - total flux cleaned = -0.00236728 Jy ! Component: 950 - total flux cleaned = -0.00229158 Jy ! Component: 1000 - total flux cleaned = -0.002441 Jy ! Component: 1050 - total flux cleaned = -0.00244093 Jy ! Component: 1100 - total flux cleaned = -0.00251441 Jy ! Component: 1150 - total flux cleaned = -0.00265769 Jy ! Component: 1200 - total flux cleaned = -0.00280062 Jy ! Component: 1250 - total flux cleaned = -0.00280086 Jy ! Component: 1300 - total flux cleaned = -0.00314701 Jy ! Component: 1350 - total flux cleaned = -0.00294117 Jy ! Component: 1400 - total flux cleaned = -0.00287298 Jy ! Component: 1450 - total flux cleaned = -0.00260514 Jy ! Component: 1500 - total flux cleaned = -0.00260616 Jy ! Component: 1550 - total flux cleaned = -0.00267158 Jy ! Component: 1600 - total flux cleaned = -0.00254094 Jy ! Component: 1650 - total flux cleaned = -0.00228315 Jy ! Component: 1700 - total flux cleaned = -0.00209296 Jy ! Component: 1750 - total flux cleaned = -0.00215639 Jy ! Component: 1800 - total flux cleaned = -0.00215606 Jy ! Component: 1850 - total flux cleaned = -0.00203132 Jy ! Component: 1900 - total flux cleaned = -0.00203167 Jy ! Component: 1950 - total flux cleaned = -0.00190932 Jy ! Component: 2000 - total flux cleaned = -0.0017889 Jy ! Component: 2050 - total flux cleaned = -0.00184819 Jy ! Component: 2100 - total flux cleaned = -0.00155151 Jy ! Component: 2150 - total flux cleaned = -0.00155209 Jy ! Component: 2200 - total flux cleaned = -0.00137703 Jy ! Component: 2250 - total flux cleaned = -0.00143509 Jy ! Component: 2300 - total flux cleaned = -0.00120528 Jy ! Component: 2350 - total flux cleaned = -0.00120561 Jy ! Component: 2400 - total flux cleaned = -0.00126249 Jy ! Component: 2450 - total flux cleaned = -0.00120599 Jy ! Component: 2500 - total flux cleaned = -0.00109399 Jy ! Component: 2550 - total flux cleaned = -0.00109413 Jy ! Component: 2600 - total flux cleaned = -0.00103941 Jy ! Component: 2650 - total flux cleaned = -0.000984299 Jy ! Component: 2700 - total flux cleaned = -0.000821783 Jy ! Component: 2750 - total flux cleaned = -0.00109073 Jy ! Component: 2800 - total flux cleaned = -0.000930483 Jy ! Component: 2850 - total flux cleaned = -0.000877518 Jy ! Component: 2900 - total flux cleaned = -0.000720464 Jy ! Component: 2950 - total flux cleaned = -0.00092984 Jy ! Component: 3000 - total flux cleaned = -0.00082613 Jy ! Component: 3050 - total flux cleaned = -0.000877804 Jy ! Component: 3100 - total flux cleaned = -0.000826684 Jy ! Component: 3150 - total flux cleaned = -0.000775385 Jy ! Component: 3200 - total flux cleaned = -0.000775139 Jy ! Component: 3250 - total flux cleaned = -0.000574252 Jy ! Component: 3300 - total flux cleaned = -0.000824677 Jy ! Component: 3350 - total flux cleaned = -0.000675371 Jy ! Component: 3400 - total flux cleaned = -0.000576672 Jy ! Component: 3450 - total flux cleaned = -0.000527279 Jy ! Component: 3500 - total flux cleaned = -0.000624696 Jy ! Component: 3550 - total flux cleaned = -0.000527797 Jy ! Component: 3600 - total flux cleaned = -0.000720055 Jy ! Component: 3650 - total flux cleaned = -0.000528475 Jy ! Component: 3700 - total flux cleaned = -0.000670812 Jy ! Component: 3750 - total flux cleaned = -0.000480948 Jy ! Component: 3800 - total flux cleaned = -0.000528287 Jy ! Component: 3850 - total flux cleaned = -0.000528084 Jy ! Component: 3900 - total flux cleaned = -0.000481782 Jy ! Component: 3950 - total flux cleaned = -0.000435684 Jy ! Component: 4000 - total flux cleaned = -0.000481625 Jy ! Component: 4050 - total flux cleaned = -0.000527388 Jy ! Total flux subtracted in 4096 components = -0.000391012 Jy ! Clean residual min=-0.002567 max=0.002897 Jy/beam ! Clean residual mean=-0.000003 rms=0.000895 Jy/beam ! Combined flux in latest and established models = 0.75906 Jy keep ! Adding 293 model components to the UV plane model. ! The established model now contains 525 components and 0.75906 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1246-0730_S_b_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.299 x 9.429 at -7.402 degrees (North through East) ! Clean map min=-0.0054943 max=0.53474 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1246-0730_S_b_map.fits wmodel /vlbi/uf001/uvm//J1246-0730_S_b_map.mod ! Writing 525 model components to file: /vlbi/uf001/uvm//J1246-0730_S_b_map.mod wobs /vlbi/uf001/uvm//J1246-0730_S_b_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1246-0730_S_b_uvs.fits wwins /vlbi/uf001/uvm//J1246-0730_S_b_map.win ! wwins: Wrote 7 windows to /vlbi/uf001/uvm//J1246-0730_S_b_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.534742 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000889277 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.4989 0.4989 0.997801 1.9956 3.9912 7.98241 15.9648 31.9296 63.8592 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0026 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.534 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 601.322 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1246-0730_S_b_dfm.log closed on Sun Jan 13 21:35:19 2019