! Started logfile: /image_prod/ug002_uva//J2020+2826_S_dfm.log on Thu Mar 5 04:43:53 2020 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 /image_prod/ug002_uva//J2020+2826_S_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J2020+2826_S_uva.fits ! AN table 1: 114 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.924464 visibilities/baseline/integration-bin. ! Found source: J2020+2826 ! ! 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 11382 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 J2020+2826_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 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.023953Jy sigma=7.916632 ! Fit after self-cal, rms=0.856866Jy sigma=6.288648 ! 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=2.984 mas, bmaj=5.6 mas, bpa=-4.974 degrees ! Estimated noise=1.59926 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 = 0.123446 Jy ! Component: 100 - total flux cleaned = 0.189136 Jy ! Total flux subtracted in 100 components = 0.189136 Jy ! Clean residual min=-0.016330 max=0.040555 Jy/beam ! Clean residual mean=-0.000169 rms=0.006139 Jy/beam ! Combined flux in latest and established models = 0.189136 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 32 components and 0.189136 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.145814Jy sigma=1.144219 ! Fit after self-cal, rms=0.143308Jy sigma=1.132498 ! Inverting map ! Added new window around map position (3.5, -0.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0471796 Jy ! Component: 100 - total flux cleaned = 0.0819041 Jy ! Total flux subtracted in 100 components = 0.0819041 Jy ! Clean residual min=-0.012796 max=0.027036 Jy/beam ! Clean residual mean=-0.000105 rms=0.004399 Jy/beam ! Combined flux in latest and established models = 0.27104 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 70 components and 0.27104 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.118031Jy sigma=0.863376 ! Fit after self-cal, rms=0.117408Jy sigma=0.859222 ! 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=3.554 mas, bmaj=6.655 mas, bpa=-1.046 degrees ! Estimated noise=0.910073 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 = 0.0487501 Jy ! Component: 100 - total flux cleaned = 0.0824364 Jy ! Component: 150 - total flux cleaned = 0.106174 Jy ! Component: 200 - total flux cleaned = 0.122915 Jy ! Total flux subtracted in 200 components = 0.122915 Jy ! Clean residual min=-0.011322 max=0.021684 Jy/beam ! Clean residual mean=-0.000009 rms=0.003873 Jy/beam ! Combined flux in latest and established models = 0.393955 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 94 components and 0.393955 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.095614Jy sigma=0.591989 ! Fit after self-cal, rms=0.094677Jy sigma=0.583876 ! Inverting map ! Added new window around map position (7.5, -9.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0219082 Jy ! Component: 100 - total flux cleaned = 0.0350128 Jy ! Component: 150 - total flux cleaned = 0.0448865 Jy ! Component: 200 - total flux cleaned = 0.0526817 Jy ! Total flux subtracted in 200 components = 0.0526817 Jy ! Clean residual min=-0.008202 max=0.016681 Jy/beam ! Clean residual mean=0.000011 rms=0.002866 Jy/beam ! Combined flux in latest and established models = 0.446636 Jy ! Performing phase self-cal ! Adding 59 model components to the UV plane model. ! The established model now contains 141 components and 0.446636 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.089223Jy sigma=0.523200 ! Fit after self-cal, rms=0.088476Jy sigma=0.513410 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.554 x 6.655 at -1.046 degrees (North through East) ! Clean map min=-0.0077537 max=0.1468 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.02 HN 1.03 KP 0.98 ! LA 0.94 MK 1.17 OV 1.04 PT 0.93 ! SC 1.07 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.56 FD 1.00 HN 1.02 KP 0.94 ! LA 0.94 MK 1.09 OV 1.02 PT 0.94 ! SC 1.21 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.32 FD 1.02 HN 1.03 KP 0.93 ! LA 0.93 MK 1.20 OV 1.02 PT 0.94 ! SC 1.08 ! ! ! Fit before self-cal, rms=0.088476Jy sigma=0.513410 ! Fit after self-cal, rms=0.105474Jy sigma=0.476877 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.665 mas, bmaj=6.938 mas, bpa=-1.408 degrees ! Estimated noise=0.964013 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 = 0.00150435 Jy ! Component: 100 - total flux cleaned = 0.00221495 Jy ! Component: 150 - total flux cleaned = 0.00235475 Jy ! Component: 200 - total flux cleaned = 0.00235356 Jy ! Total flux subtracted in 200 components = 0.00235356 Jy ! Clean residual min=-0.006628 max=0.010346 Jy/beam ! Clean residual mean=0.000031 rms=0.002126 Jy/beam ! Combined flux in latest and established models = 0.44899 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 157 components and 0.44899 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.104925Jy sigma=0.471350 ! Fit after self-cal, rms=0.105046Jy sigma=0.470721 ! 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=0.105046Jy sigma=0.470721 ! Fit after self-cal, rms=0.129728Jy sigma=0.433210 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.7 mas, bmaj=6.613 mas, bpa=3.577 degrees ! Estimated noise=0.962803 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00212285 Jy ! Component: 100 - total flux cleaned = 0.00271089 Jy ! Component: 150 - total flux cleaned = 0.00297127 Jy ! Component: 200 - total flux cleaned = 0.00320717 Jy ! Total flux subtracted in 200 components = 0.00320717 Jy ! Clean residual min=-0.003999 max=0.005920 Jy/beam ! Clean residual mean=0.000014 rms=0.001275 Jy/beam ! Combined flux in latest and established models = 0.452197 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 179 components and 0.452197 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.129361Jy sigma=0.428802 ! Fit after self-cal, rms=0.129561Jy sigma=0.428362 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 (50, -68). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00572394 Jy ! Component: 100 - total flux cleaned = 0.00857507 Jy ! Component: 150 - total flux cleaned = 0.00976964 Jy ! Component: 200 - total flux cleaned = 0.0106421 Jy ! Total flux subtracted in 200 components = 0.0106421 Jy ! Clean residual min=-0.003852 max=0.004668 Jy/beam ! Clean residual mean=0.000000 rms=0.001063 Jy/beam ! Combined flux in latest and established models = 0.462839 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 207 components and 0.462839 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.129271Jy sigma=0.423172 ! Fit after self-cal, rms=0.129235Jy sigma=0.422781 ! Inverting map ! Added new window around map position (72.5, -109.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00473406 Jy ! Component: 100 - total flux cleaned = 0.00754915 Jy ! Component: 150 - total flux cleaned = 0.00866271 Jy ! Component: 200 - total flux cleaned = 0.00907917 Jy ! Total flux subtracted in 200 components = 0.00907917 Jy ! Clean residual min=-0.003278 max=0.004130 Jy/beam ! Clean residual mean=0.000002 rms=0.000910 Jy/beam ! Combined flux in latest and established models = 0.471918 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 231 components and 0.471918 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.129020Jy sigma=0.419185 ! Fit after self-cal, rms=0.129020Jy sigma=0.418951 ! Inverting map ! Added new window around map position (27, 114). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00346259 Jy ! Component: 100 - total flux cleaned = 0.00533488 Jy ! Component: 150 - total flux cleaned = 0.00666288 Jy ! Component: 200 - total flux cleaned = 0.00751288 Jy ! Total flux subtracted in 200 components = 0.00751288 Jy ! Clean residual min=-0.003062 max=0.003257 Jy/beam ! Clean residual mean=-0.000004 rms=0.000796 Jy/beam ! Combined flux in latest and established models = 0.479431 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 261 components and 0.479431 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.128886Jy sigma=0.416854 ! Fit after self-cal, rms=0.128862Jy sigma=0.416700 ! 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=0.128862Jy sigma=0.416700 ! Fit after self-cal, rms=0.130511Jy sigma=0.415498 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.682 mas, bmaj=6.621 mas, bpa=3.809 degrees ! Estimated noise=0.958628 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00208255 Jy ! Component: 100 - total flux cleaned = 0.00344076 Jy ! Component: 150 - total flux cleaned = 0.00465082 Jy ! Component: 200 - total flux cleaned = 0.00568594 Jy ! Total flux subtracted in 200 components = 0.00568594 Jy ! Clean residual min=-0.002620 max=0.002630 Jy/beam ! Clean residual mean=0.000003 rms=0.000677 Jy/beam ! Combined flux in latest and established models = 0.485117 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 276 components and 0.485117 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.130409Jy sigma=0.414224 ! Fit after self-cal, rms=0.130396Jy sigma=0.414161 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 = 0.000996928 Jy ! Component: 100 - total flux cleaned = 0.00177586 Jy ! Component: 150 - total flux cleaned = 0.00244892 Jy ! Component: 200 - total flux cleaned = 0.00308304 Jy ! Total flux subtracted in 200 components = 0.00308304 Jy ! Clean residual min=-0.002473 max=0.002579 Jy/beam ! Clean residual mean=0.000002 rms=0.000640 Jy/beam ! Combined flux in latest and established models = 0.4882 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 286 components and 0.4882 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.130336Jy sigma=0.413507 ! Fit after self-cal, rms=0.130322Jy sigma=0.413482 ! 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=0.130322Jy sigma=0.413482 ! Fit after self-cal, rms=0.130325Jy sigma=0.413344 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.071 mas, bmaj=10.61 mas, bpa=2.109 degrees ! Estimated noise=1.09973 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00215829 Jy ! Component: 100 - total flux cleaned = 0.00380186 Jy ! Component: 150 - total flux cleaned = 0.00471554 Jy ! Component: 200 - total flux cleaned = 0.00518564 Jy ! Total flux subtracted in 200 components = 0.00518564 Jy ! Clean residual min=-0.002483 max=0.002807 Jy/beam ! Clean residual mean=0.000004 rms=0.000741 Jy/beam ! Combined flux in latest and established models = 0.493386 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 309 components and 0.493386 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.130284Jy sigma=0.412874 ! Fit after self-cal, rms=0.130271Jy sigma=0.412830 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 = 0.000730737 Jy ! Component: 100 - total flux cleaned = 0.00102576 Jy ! Component: 150 - total flux cleaned = 0.00134055 Jy ! Component: 200 - total flux cleaned = 0.00159791 Jy ! Total flux subtracted in 200 components = 0.00159791 Jy ! Clean residual min=-0.002302 max=0.002692 Jy/beam ! Clean residual mean=0.000001 rms=0.000704 Jy/beam ! Combined flux in latest and established models = 0.494984 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 328 components and 0.494984 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.130253Jy sigma=0.412645 ! Fit after self-cal, rms=0.130254Jy sigma=0.412631 ! 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=3.676 mas, bmaj=6.631 mas, bpa=3.895 degrees ! Estimated noise=0.957968 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.676 x 6.631 at 3.895 degrees (North through East) ! Clean map min=-0.0021884 max=0.15266 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.104 mas, bmaj=5.493 mas, bpa=0.3863 degrees ! Estimated noise=1.71737 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.131781 Jy ! Component: 100 - total flux cleaned = 0.202186 Jy ! Component: 150 - total flux cleaned = 0.248297 Jy ! Component: 200 - total flux cleaned = 0.283622 Jy ! Total flux subtracted in 200 components = 0.283622 Jy ! Clean residual min=-0.011343 max=0.021067 Jy/beam ! Clean residual mean=-0.000091 rms=0.003858 Jy/beam ! Combined flux in latest and established models = 0.283622 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 56 model components to the UV plane model. ! The established model now contains 56 components and 0.283622 Jy ! Inverting map and beam ! Estimated beam: bmin=3.676 mas, bmaj=6.631 mas, bpa=3.895 degrees ! Estimated noise=0.957968 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 = 0.0440625 Jy ! Component: 100 - total flux cleaned = 0.0745624 Jy ! Component: 150 - total flux cleaned = 0.0966279 Jy ! Component: 200 - total flux cleaned = 0.11286 Jy ! Total flux subtracted in 200 components = 0.11286 Jy ! Clean residual min=-0.006175 max=0.012155 Jy/beam ! Clean residual mean=-0.000006 rms=0.002305 Jy/beam ! Combined flux in latest and established models = 0.396481 Jy ! Adding 96 model components to the UV plane model. ! The established model now contains 140 components and 0.396481 Jy ! Inverting map ! Added new window around map position (-4, 0.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0131227 Jy ! Component: 100 - total flux cleaned = 0.0230784 Jy ! Component: 150 - total flux cleaned = 0.0312805 Jy ! Component: 200 - total flux cleaned = 0.0383045 Jy ! Total flux subtracted in 200 components = 0.0383045 Jy ! Clean residual min=-0.003855 max=0.005064 Jy/beam ! Clean residual mean=0.000008 rms=0.001387 Jy/beam ! Combined flux in latest and established models = 0.434786 Jy ! Adding 74 model components to the UV plane model. ! The established model now contains 199 components and 0.434786 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=8.071 mas, bmaj=10.61 mas, bpa=2.109 degrees ! Estimated noise=1.09973 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0105423 Jy ! Component: 100 - total flux cleaned = 0.0185357 Jy ! Component: 150 - total flux cleaned = 0.024981 Jy ! Component: 200 - total flux cleaned = 0.0303783 Jy ! Total flux subtracted in 200 components = 0.0303783 Jy ! Clean residual min=-0.003590 max=0.004110 Jy/beam ! Clean residual mean=0.000013 rms=0.001408 Jy/beam ! Combined flux in latest and established models = 0.465164 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 = 0.00456097 Jy ! Component: 100 - total flux cleaned = 0.00846896 Jy ! Component: 150 - total flux cleaned = 0.0118348 Jy ! Component: 200 - total flux cleaned = 0.0147442 Jy ! Total flux subtracted in 200 components = 0.0147442 Jy ! Clean residual min=-0.002909 max=0.002720 Jy/beam ! Clean residual mean=0.000005 rms=0.000963 Jy/beam ! Combined flux in latest and established models = 0.479908 Jy ! Adding 175 model components to the UV plane model. ! The established model now contains 354 components and 0.479908 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.676 mas, bmaj=6.631 mas, bpa=3.895 degrees ! Estimated noise=0.957968 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00181719 Jy ! Component: 100 - total flux cleaned = 0.0032053 Jy ! Component: 150 - total flux cleaned = 0.004562 Jy ! Component: 200 - total flux cleaned = 0.00578533 Jy ! Total flux subtracted in 200 components = 0.00578533 Jy ! Clean residual min=-0.002528 max=0.002366 Jy/beam ! Clean residual mean=0.000002 rms=0.000601 Jy/beam ! Combined flux in latest and established models = 0.485694 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 385 components and 0.485694 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.130288Jy sigma=0.412633 ! Fit after self-cal, rms=0.130155Jy sigma=0.412191 wmodel J2020+2826_S_map.mod ! Writing 385 model components to file: J2020+2826_S_map.mod wobs J2020+2826_S_uvs.fits ! Writing UV FITS file: J2020+2826_S_uvs.fits wwins J2020+2826_S_map.win ! wwins: Wrote 7 windows to J2020+2826_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 = -0.000104489 Jy ! Component: 100 - total flux cleaned = -0.000142035 Jy ! Component: 150 - total flux cleaned = -0.000215713 Jy ! Component: 200 - total flux cleaned = -0.00028298 Jy ! Component: 250 - total flux cleaned = -0.000382122 Jy ! Component: 300 - total flux cleaned = -0.000510247 Jy ! Component: 350 - total flux cleaned = -0.000540859 Jy ! Component: 400 - total flux cleaned = -0.000480219 Jy ! Component: 450 - total flux cleaned = -0.000334211 Jy ! Component: 500 - total flux cleaned = -0.000249956 Jy ! Component: 550 - total flux cleaned = -0.000167239 Jy ! Component: 600 - total flux cleaned = -0.000113657 Jy ! Component: 650 - total flux cleaned = -6.12459e-05 Jy ! Component: 700 - total flux cleaned = -9.95988e-06 Jy ! Component: 750 - total flux cleaned = 0.000166757 Jy ! Component: 800 - total flux cleaned = 0.000265813 Jy ! Component: 850 - total flux cleaned = 0.00036323 Jy ! Component: 900 - total flux cleaned = 0.000458702 Jy ! Component: 950 - total flux cleaned = 0.000553133 Jy ! Component: 1000 - total flux cleaned = 0.000646564 Jy ! Component: 1050 - total flux cleaned = 0.000761466 Jy ! Component: 1100 - total flux cleaned = 0.000829524 Jy ! Component: 1150 - total flux cleaned = 0.000963281 Jy ! Component: 1200 - total flux cleaned = 0.00102863 Jy ! Component: 1250 - total flux cleaned = 0.0010282 Jy ! Component: 1300 - total flux cleaned = 0.00113516 Jy ! Component: 1350 - total flux cleaned = 0.00115618 Jy ! Component: 1400 - total flux cleaned = 0.00117746 Jy ! Component: 1450 - total flux cleaned = 0.00123945 Jy ! Component: 1500 - total flux cleaned = 0.0012804 Jy ! Component: 1550 - total flux cleaned = 0.00132076 Jy ! Component: 1600 - total flux cleaned = 0.00142002 Jy ! Component: 1650 - total flux cleaned = 0.00144003 Jy ! Component: 1700 - total flux cleaned = 0.00159491 Jy ! Component: 1750 - total flux cleaned = 0.00165179 Jy ! Component: 1800 - total flux cleaned = 0.00165175 Jy ! Component: 1850 - total flux cleaned = 0.00168935 Jy ! Component: 1900 - total flux cleaned = 0.00172641 Jy ! Component: 1950 - total flux cleaned = 0.00178147 Jy ! Component: 2000 - total flux cleaned = 0.00181761 Jy ! Component: 2050 - total flux cleaned = 0.00179975 Jy ! Component: 2100 - total flux cleaned = 0.0018175 Jy ! Component: 2150 - total flux cleaned = 0.00185273 Jy ! Component: 2200 - total flux cleaned = 0.00183528 Jy ! Component: 2250 - total flux cleaned = 0.00185228 Jy ! Component: 2300 - total flux cleaned = 0.00173288 Jy ! Component: 2350 - total flux cleaned = 0.00171623 Jy ! Component: 2400 - total flux cleaned = 0.00173322 Jy ! Component: 2450 - total flux cleaned = 0.00168339 Jy ! Component: 2500 - total flux cleaned = 0.00168355 Jy ! Component: 2550 - total flux cleaned = 0.00169977 Jy ! Component: 2600 - total flux cleaned = 0.0016187 Jy ! Component: 2650 - total flux cleaned = 0.00160266 Jy ! Component: 2700 - total flux cleaned = 0.00153905 Jy ! Component: 2750 - total flux cleaned = 0.0014916 Jy ! Component: 2800 - total flux cleaned = 0.00142883 Jy ! Component: 2850 - total flux cleaned = 0.00146016 Jy ! Component: 2900 - total flux cleaned = 0.00139835 Jy ! Component: 2950 - total flux cleaned = 0.00133716 Jy ! Component: 3000 - total flux cleaned = 0.0012915 Jy ! Component: 3050 - total flux cleaned = 0.00123127 Jy ! Component: 3100 - total flux cleaned = 0.00118622 Jy ! Component: 3150 - total flux cleaned = 0.00112672 Jy ! Component: 3200 - total flux cleaned = 0.00109716 Jy ! Component: 3250 - total flux cleaned = 0.00100912 Jy ! Component: 3300 - total flux cleaned = 0.000980104 Jy ! Component: 3350 - total flux cleaned = 0.000936911 Jy ! Component: 3400 - total flux cleaned = 0.000879484 Jy ! Component: 3450 - total flux cleaned = 0.000822454 Jy ! Component: 3500 - total flux cleaned = 0.000779977 Jy ! Component: 3550 - total flux cleaned = 0.000737882 Jy ! Component: 3600 - total flux cleaned = 0.000668187 Jy ! Component: 3650 - total flux cleaned = 0.000626518 Jy ! Component: 3700 - total flux cleaned = 0.00051622 Jy ! Component: 3750 - total flux cleaned = 0.000420388 Jy ! Component: 3800 - total flux cleaned = 0.000393106 Jy ! Component: 3850 - total flux cleaned = 0.000311776 Jy ! Component: 3900 - total flux cleaned = 0.000244475 Jy ! Component: 3950 - total flux cleaned = 0.000204327 Jy ! Component: 4000 - total flux cleaned = 0.000137804 Jy ! Component: 4050 - total flux cleaned = 4.51901e-05 Jy ! Total flux subtracted in 4096 components = 5.83391e-06 Jy ! Clean residual min=-0.000655 max=0.000853 Jy/beam ! Clean residual mean=-0.000004 rms=0.000238 Jy/beam ! Combined flux in latest and established models = 0.485699 Jy keep ! Adding 307 model components to the UV plane model. ! The established model now contains 691 components and 0.485699 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J2020+2826_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.676 x 6.631 at 3.895 degrees (North through East) ! Clean map min=-0.0014546 max=0.15256 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J2020+2826_S_map.fits wmodel /image_prod/ug002_uva//J2020+2826_S_map.mod ! Writing 691 model components to file: /image_prod/ug002_uva//J2020+2826_S_map.mod wobs /image_prod/ug002_uva//J2020+2826_S_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J2020+2826_S_uvs.fits wwins /image_prod/ug002_uva//J2020+2826_S_map.win ! wwins: Wrote 8 windows to /image_prod/ug002_uva//J2020+2826_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.152558 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000234946 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.462013 0.462013 0.924025 1.84805 3.6961 7.3922 14.7844 29.5688 59.1376 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.152 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 649.332 quit ! Quitting program ! Log file /image_prod/ug002_uva//J2020+2826_S_dfm.log closed on Thu Mar 5 04:43:58 2020