! Started logfile: /vlbi/bp222/maps//J0227-3026_S_dfm.log on Thu Sep 27 10:41:33 2018 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/bp222/maps//J0227-3026_S_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J0227-3026_S_uva.fits ! AN table 1: 114 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.82768 visibilities/baseline/integration-bin. ! Found source: J0227-3026 ! ! There are 4 IFs, and a total of 4 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 ! 04 4 2.348e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 54 lines of history. ! ! Reading 16984 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 4 channels. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 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 J0227-3026_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 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1140 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.038979Jy sigma=10.498872 ! Fit after self-cal, rms=0.791942Jy sigma=7.901789 ! 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=2.526 mas, bmaj=7.19 mas, bpa=-4.926 degrees ! Estimated noise=0.963206 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 = 0.171693 Jy ! Component: 100 - total flux cleaned = 0.210737 Jy ! Total flux subtracted in 100 components = 0.210737 Jy ! Clean residual min=-0.010328 max=0.016620 Jy/beam ! Clean residual mean=-0.000014 rms=0.003034 Jy/beam ! Combined flux in latest and established models = 0.210737 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.210737 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.107480Jy sigma=1.015154 ! Fit after self-cal, rms=0.107171Jy sigma=1.013065 ! 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=3.33 mas, bmaj=9.316 mas, bpa=-4.818 degrees ! Estimated noise=0.661901 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 (3, -9.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0216007 Jy ! Component: 100 - total flux cleaned = 0.0309784 Jy ! Component: 150 - total flux cleaned = 0.0320356 Jy ! Component: 200 - total flux cleaned = 0.0329095 Jy ! Total flux subtracted in 200 components = 0.0329095 Jy ! Clean residual min=-0.008455 max=0.012511 Jy/beam ! Clean residual mean=-0.000025 rms=0.002715 Jy/beam ! Combined flux in latest and established models = 0.243646 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 25 components and 0.243646 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.103035Jy sigma=0.955466 ! Fit after self-cal, rms=0.102881Jy sigma=0.952987 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.33 x 9.316 at -4.818 degrees (North through East) ! Clean map min=-0.0080779 max=0.20999 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.91 HN 1.27 KP 1.04 ! LA 0.93 MK 0.93 NL 1.02 OV 0.91 ! PT 0.93 SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.98 FD 0.90 HN 1.34 KP 1.04 ! LA 0.93 MK 0.93 NL 1.01 OV 0.89 ! PT 0.94 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.26 FD 0.91 HN 1.24 KP 1.06 ! LA 0.92 MK 0.92 NL 1.01 OV 0.88 ! PT 0.93 SC 0.95 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* OV 0.00* ! PT 0.00* SC 0.00* ! ! ! Fit before self-cal, rms=0.102881Jy sigma=0.952987 ! Fit after self-cal, rms=0.105496Jy sigma=0.842625 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.285 mas, bmaj=9.306 mas, bpa=-5.348 degrees ! Estimated noise=0.655351 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 = -0.00530764 Jy ! Component: 100 - total flux cleaned = -0.00772743 Jy ! Component: 150 - total flux cleaned = -0.00811313 Jy ! Component: 200 - total flux cleaned = -0.00827999 Jy ! Total flux subtracted in 200 components = -0.00827999 Jy ! Clean residual min=-0.006031 max=0.008559 Jy/beam ! Clean residual mean=-0.000014 rms=0.001914 Jy/beam ! Combined flux in latest and established models = 0.235366 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 43 components and 0.235366 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.105099Jy sigma=0.839736 ! Fit after self-cal, rms=0.105586Jy sigma=0.838601 ! 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. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.105586Jy sigma=0.838601 ! Fit after self-cal, rms=0.106470Jy sigma=0.828147 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.294 mas, bmaj=9.376 mas, bpa=-5.442 degrees ! Estimated noise=0.651125 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00196056 Jy ! Component: 100 - total flux cleaned = -0.00263441 Jy ! Component: 150 - total flux cleaned = -0.00281392 Jy ! Component: 200 - total flux cleaned = -0.0030267 Jy ! Total flux subtracted in 200 components = -0.0030267 Jy ! Clean residual min=-0.005312 max=0.007960 Jy/beam ! Clean residual mean=-0.000003 rms=0.001724 Jy/beam ! Combined flux in latest and established models = 0.23234 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 54 components and 0.23234 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.106329Jy sigma=0.827456 ! Fit after self-cal, rms=0.106363Jy sigma=0.827343 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 (45.5, -92.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00685023 Jy ! Component: 100 - total flux cleaned = 0.00792685 Jy ! Component: 150 - total flux cleaned = 0.0080392 Jy ! Component: 200 - total flux cleaned = 0.00796252 Jy ! Total flux subtracted in 200 components = 0.00796252 Jy ! Clean residual min=-0.005231 max=0.007227 Jy/beam ! Clean residual mean=0.000007 rms=0.001655 Jy/beam ! Combined flux in latest and established models = 0.240302 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 88 components and 0.240302 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.105860Jy sigma=0.821870 ! Fit after self-cal, rms=0.105752Jy sigma=0.820891 ! 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. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.105752Jy sigma=0.820891 ! Fit after self-cal, rms=0.176977Jy sigma=0.729825 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.297 mas, bmaj=9.367 mas, bpa=-5.541 degrees ! Estimated noise=0.65737 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00187812 Jy ! Component: 100 - total flux cleaned = -0.00243518 Jy ! Component: 150 - total flux cleaned = -0.00275987 Jy ! Component: 200 - total flux cleaned = -0.0029903 Jy ! Total flux subtracted in 200 components = -0.0029903 Jy ! Clean residual min=-0.002434 max=0.002400 Jy/beam ! Clean residual mean=0.000017 rms=0.000556 Jy/beam ! Combined flux in latest and established models = 0.237312 Jy selfcal ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 125 components and 0.237312 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.176912Jy sigma=0.728184 ! Fit after self-cal, rms=0.177297Jy sigma=0.727698 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 = -0.000465927 Jy ! Component: 100 - total flux cleaned = -0.000565447 Jy ! Component: 150 - total flux cleaned = -0.00061189 Jy ! Component: 200 - total flux cleaned = -0.000700249 Jy ! Total flux subtracted in 200 components = -0.000700249 Jy ! Clean residual min=-0.002326 max=0.002328 Jy/beam ! Clean residual mean=0.000016 rms=0.000538 Jy/beam ! Combined flux in latest and established models = 0.236612 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 137 components and 0.236611 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177270Jy sigma=0.727100 ! Fit after self-cal, rms=0.177265Jy sigma=0.727076 ! Inverting map ! Added new window around map position (48, 122). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00157794 Jy ! Component: 100 - total flux cleaned = 0.00167209 Jy ! Component: 150 - total flux cleaned = 0.00163071 Jy ! Component: 200 - total flux cleaned = 0.00159157 Jy ! Total flux subtracted in 200 components = 0.00159157 Jy ! Clean residual min=-0.002322 max=0.002385 Jy/beam ! Clean residual mean=0.000013 rms=0.000523 Jy/beam ! Combined flux in latest and established models = 0.238203 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 150 components and 0.238203 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177207Jy sigma=0.726417 ! Fit after self-cal, rms=0.177192Jy sigma=0.726384 ! Inverting map ! Added new window around map position (118.5, -54). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00204092 Jy ! Component: 100 - total flux cleaned = 0.00249433 Jy ! Component: 150 - total flux cleaned = 0.00245513 Jy ! Component: 200 - total flux cleaned = 0.00249311 Jy ! Total flux subtracted in 200 components = 0.00249311 Jy ! Clean residual min=-0.002165 max=0.002056 Jy/beam ! Clean residual mean=0.000008 rms=0.000496 Jy/beam ! Combined flux in latest and established models = 0.240696 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 162 components and 0.240696 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177150Jy sigma=0.725716 ! Fit after self-cal, rms=0.177138Jy sigma=0.725657 ! 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. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177138Jy sigma=0.725657 ! Fit after self-cal, rms=0.182889Jy sigma=0.725250 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.493 mas, bmaj=23.44 mas, bpa=3.299 degrees ! Estimated noise=0.790301 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000894477 Jy ! Component: 100 - total flux cleaned = -0.000927945 Jy ! Component: 150 - total flux cleaned = -0.000897648 Jy ! Component: 200 - total flux cleaned = -0.000898543 Jy ! Total flux subtracted in 200 components = -0.000898543 Jy ! Clean residual min=-0.001763 max=0.001839 Jy/beam ! Clean residual mean=0.000016 rms=0.000554 Jy/beam ! Combined flux in latest and established models = 0.239798 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 176 components and 0.239798 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182875Jy sigma=0.725184 ! Fit after self-cal, rms=0.182895Jy sigma=0.725158 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 = -0.000126277 Jy ! Component: 100 - total flux cleaned = -0.000126876 Jy ! Component: 150 - total flux cleaned = -0.000126749 Jy ! Component: 200 - total flux cleaned = -0.000104556 Jy ! Total flux subtracted in 200 components = -0.000104556 Jy ! Clean residual min=-0.001782 max=0.001850 Jy/beam ! Clean residual mean=0.000015 rms=0.000548 Jy/beam ! Combined flux in latest and established models = 0.239693 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 190 components and 0.239693 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182887Jy sigma=0.725128 ! Fit after self-cal, rms=0.182880Jy sigma=0.725122 ! 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=3.292 mas, bmaj=9.358 mas, bpa=-5.584 degrees ! Estimated noise=0.656735 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.292 x 9.358 at -5.584 degrees (North through East) ! Clean map min=-0.0027615 max=0.20863 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.497 mas, bmaj=7.19 mas, bpa=-5.592 degrees ! Estimated noise=0.951193 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.169472 Jy ! Component: 100 - total flux cleaned = 0.207612 Jy ! Component: 150 - total flux cleaned = 0.219841 Jy ! Component: 200 - total flux cleaned = 0.225679 Jy ! Total flux subtracted in 200 components = 0.225679 Jy ! Clean residual min=-0.003638 max=0.004314 Jy/beam ! Clean residual mean=0.000003 rms=0.000885 Jy/beam ! Combined flux in latest and established models = 0.225679 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 25 model components to the UV plane model. ! The established model now contains 25 components and 0.225679 Jy ! Inverting map and beam ! Estimated beam: bmin=3.292 mas, bmaj=9.358 mas, bpa=-5.584 degrees ! Estimated noise=0.656735 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 = 0.00486495 Jy ! Component: 100 - total flux cleaned = 0.0078067 Jy ! Component: 150 - total flux cleaned = 0.00924023 Jy ! Component: 200 - total flux cleaned = 0.0104819 Jy ! Total flux subtracted in 200 components = 0.0104819 Jy ! Clean residual min=-0.002075 max=0.002636 Jy/beam ! Clean residual mean=0.000008 rms=0.000561 Jy/beam ! Combined flux in latest and established models = 0.236161 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 45 components and 0.236161 Jy ! Inverting map ! Added new window around map position (-4, 15.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00182611 Jy ! Component: 100 - total flux cleaned = 0.00285326 Jy ! Component: 150 - total flux cleaned = 0.0037648 Jy ! Component: 200 - total flux cleaned = 0.00426676 Jy ! Total flux subtracted in 200 components = 0.00426676 Jy ! Clean residual min=-0.001962 max=0.001880 Jy/beam ! Clean residual mean=0.000007 rms=0.000501 Jy/beam ! Combined flux in latest and established models = 0.240428 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 73 components and 0.240428 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=8.493 mas, bmaj=23.44 mas, bpa=3.299 degrees ! Estimated noise=0.790301 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000724419 Jy ! Component: 100 - total flux cleaned = 0.000809403 Jy ! Component: 150 - total flux cleaned = 0.000924584 Jy ! Component: 200 - total flux cleaned = 0.000995109 Jy ! Total flux subtracted in 200 components = 0.000995109 Jy ! Clean residual min=-0.001928 max=0.002030 Jy/beam ! Clean residual mean=0.000015 rms=0.000559 Jy/beam ! Combined flux in latest and established models = 0.241423 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 = 3.35667e-05 Jy ! Component: 100 - total flux cleaned = 9.68691e-05 Jy ! Component: 150 - total flux cleaned = 0.000125846 Jy ! Component: 200 - total flux cleaned = 0.000182262 Jy ! Total flux subtracted in 200 components = 0.000182262 Jy ! Clean residual min=-0.001978 max=0.002026 Jy/beam ! Clean residual mean=0.000014 rms=0.000545 Jy/beam ! Combined flux in latest and established models = 0.241605 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 119 components and 0.241605 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.292 mas, bmaj=9.358 mas, bpa=-5.584 degrees ! Estimated noise=0.656735 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000626803 Jy ! Component: 100 - total flux cleaned = -0.000574706 Jy ! Component: 150 - total flux cleaned = -0.000481882 Jy ! Component: 200 - total flux cleaned = -0.000525855 Jy ! Total flux subtracted in 200 components = -0.000525855 Jy ! Clean residual min=-0.001754 max=0.001773 Jy/beam ! Clean residual mean=0.000007 rms=0.000463 Jy/beam ! Combined flux in latest and established models = 0.24108 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 134 components and 0.24108 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182956Jy sigma=0.724746 ! Fit after self-cal, rms=0.182952Jy sigma=0.724378 wmodel J0227-3026_S_map.mod ! Writing 134 model components to file: J0227-3026_S_map.mod wobs J0227-3026_S_uvs.fits ! Writing UV FITS file: J0227-3026_S_uvs.fits wwins J0227-3026_S_map.win ! wwins: Wrote 6 windows to J0227-3026_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 = 0.000206422 Jy ! Component: 100 - total flux cleaned = 0.000174456 Jy ! Component: 150 - total flux cleaned = 0.000114243 Jy ! Component: 200 - total flux cleaned = 5.59946e-05 Jy ! Component: 250 - total flux cleaned = 8.47043e-05 Jy ! Component: 300 - total flux cleaned = 0.000195405 Jy ! Component: 350 - total flux cleaned = 0.00030291 Jy ! Component: 400 - total flux cleaned = 0.000382358 Jy ! Component: 450 - total flux cleaned = 0.000408268 Jy ! Component: 500 - total flux cleaned = 0.000510357 Jy ! Component: 550 - total flux cleaned = 0.000535124 Jy ! Component: 600 - total flux cleaned = 0.000535112 Jy ! Component: 650 - total flux cleaned = 0.00058403 Jy ! Component: 700 - total flux cleaned = 0.000583933 Jy ! Component: 750 - total flux cleaned = 0.000560615 Jy ! Component: 800 - total flux cleaned = 0.000630932 Jy ! Component: 850 - total flux cleaned = 0.000630761 Jy ! Component: 900 - total flux cleaned = 0.000607911 Jy ! Component: 950 - total flux cleaned = 0.00067509 Jy ! Component: 1000 - total flux cleaned = 0.00063031 Jy ! Component: 1050 - total flux cleaned = 0.000630396 Jy ! Component: 1100 - total flux cleaned = 0.000673869 Jy ! Component: 1150 - total flux cleaned = 0.000673967 Jy ! Component: 1200 - total flux cleaned = 0.000716603 Jy ! Component: 1250 - total flux cleaned = 0.00073736 Jy ! Component: 1300 - total flux cleaned = 0.000737611 Jy ! Component: 1350 - total flux cleaned = 0.000778745 Jy ! Component: 1400 - total flux cleaned = 0.000758405 Jy ! Component: 1450 - total flux cleaned = 0.000818654 Jy ! Component: 1500 - total flux cleaned = 0.000778554 Jy ! Component: 1550 - total flux cleaned = 0.0008181 Jy ! Component: 1600 - total flux cleaned = 0.00079853 Jy ! Component: 1650 - total flux cleaned = 0.000837122 Jy ! Component: 1700 - total flux cleaned = 0.000837231 Jy ! Component: 1750 - total flux cleaned = 0.000818518 Jy ! Component: 1800 - total flux cleaned = 0.000913133 Jy ! Component: 1850 - total flux cleaned = 0.000950666 Jy ! Component: 1900 - total flux cleaned = 0.000987587 Jy ! Component: 1950 - total flux cleaned = 0.00104275 Jy ! Component: 2000 - total flux cleaned = 0.00104282 Jy ! Component: 2050 - total flux cleaned = 0.00104287 Jy ! Component: 2100 - total flux cleaned = 0.00106083 Jy ! Component: 2150 - total flux cleaned = 0.00120332 Jy ! Component: 2200 - total flux cleaned = 0.00120302 Jy ! Component: 2250 - total flux cleaned = 0.00120307 Jy ! Component: 2300 - total flux cleaned = 0.00125528 Jy ! Component: 2350 - total flux cleaned = 0.00125541 Jy ! Component: 2400 - total flux cleaned = 0.00128962 Jy ! Component: 2450 - total flux cleaned = 0.00127254 Jy ! Component: 2500 - total flux cleaned = 0.00128936 Jy ! Component: 2550 - total flux cleaned = 0.00130603 Jy ! Component: 2600 - total flux cleaned = 0.00130619 Jy ! Component: 2650 - total flux cleaned = 0.00132286 Jy ! Component: 2700 - total flux cleaned = 0.00135563 Jy ! Component: 2750 - total flux cleaned = 0.00137202 Jy ! Component: 2800 - total flux cleaned = 0.00135595 Jy ! Component: 2850 - total flux cleaned = 0.00142045 Jy ! Component: 2900 - total flux cleaned = 0.00143657 Jy ! Component: 2950 - total flux cleaned = 0.0015163 Jy ! Component: 3000 - total flux cleaned = 0.00143711 Jy ! Component: 3050 - total flux cleaned = 0.00143726 Jy ! Component: 3100 - total flux cleaned = 0.0014528 Jy ! Component: 3150 - total flux cleaned = 0.00143727 Jy ! Component: 3200 - total flux cleaned = 0.00140646 Jy ! Component: 3250 - total flux cleaned = 0.00142189 Jy ! Component: 3300 - total flux cleaned = 0.00136089 Jy ! Component: 3350 - total flux cleaned = 0.00148223 Jy ! Component: 3400 - total flux cleaned = 0.00142193 Jy ! Component: 3450 - total flux cleaned = 0.00149698 Jy ! Component: 3500 - total flux cleaned = 0.00145208 Jy ! Component: 3550 - total flux cleaned = 0.00145235 Jy ! Component: 3600 - total flux cleaned = 0.00146708 Jy ! Component: 3650 - total flux cleaned = 0.00151107 Jy ! Component: 3700 - total flux cleaned = 0.0014234 Jy ! Component: 3750 - total flux cleaned = 0.00148157 Jy ! Component: 3800 - total flux cleaned = 0.00152489 Jy ! Component: 3850 - total flux cleaned = 0.00149616 Jy ! Component: 3900 - total flux cleaned = 0.00141036 Jy ! Component: 3950 - total flux cleaned = 0.001382 Jy ! Component: 4000 - total flux cleaned = 0.00141046 Jy ! Component: 4050 - total flux cleaned = 0.00136819 Jy ! Total flux subtracted in 4096 components = 0.00134013 Jy ! Clean residual min=-0.000847 max=0.000926 Jy/beam ! Clean residual mean=0.000003 rms=0.000270 Jy/beam ! Combined flux in latest and established models = 0.24242 Jy keep ! Adding 300 model components to the UV plane model. ! The established model now contains 434 components and 0.24242 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J0227-3026_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.292 x 9.358 at -5.584 degrees (North through East) ! Clean map min=-0.0017129 max=0.21318 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J0227-3026_S_map.fits wmodel /vlbi/bp222/maps//J0227-3026_S_map.mod ! Writing 434 model components to file: /vlbi/bp222/maps//J0227-3026_S_map.mod wobs /vlbi/bp222/maps//J0227-3026_S_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J0227-3026_S_uvs.fits wwins /vlbi/bp222/maps//J0227-3026_S_map.win ! wwins: Wrote 7 windows to /vlbi/bp222/maps//J0227-3026_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.213179 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000268294 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.377561 0.377561 0.755121 1.51024 3.02049 6.04097 12.0819 24.1639 48.3278 96.6555 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.213 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 794.574 quit ! Quitting program ! Log file /vlbi/bp222/maps//J0227-3026_S_dfm.log closed on Thu Sep 27 10:41:38 2018