! Started logfile: /image_prod/ug002_uva//J1658+4737_S_dfm.log on Thu Mar 5 03:02:47 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//J1658+4737_S_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1658+4737_S_uva.fits ! AN table 1: 75 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.907259 visibilities/baseline/integration-bin. ! Found source: J1658+4737 ! ! 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 9186 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 J1658+4737_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 37 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 37 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 37 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.302650Jy sigma=7.895090 ! Fit after self-cal, rms=0.248733Jy sigma=1.571142 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3 mas, bmaj=4.508 mas, bpa=-23.49 degrees ! Estimated noise=1.85279 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 = 0.615834 Jy ! Component: 100 - total flux cleaned = 0.793773 Jy ! Total flux subtracted in 100 components = 0.793773 Jy ! Clean residual min=-0.025556 max=0.075525 Jy/beam ! Clean residual mean=-0.000054 rms=0.007106 Jy/beam ! Combined flux in latest and established models = 0.793773 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.793773 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.162986Jy sigma=0.935970 ! Fit after self-cal, rms=0.162755Jy sigma=0.934585 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0793997 Jy ! Component: 100 - total flux cleaned = 0.11689 Jy ! Total flux subtracted in 100 components = 0.11689 Jy ! Clean residual min=-0.018200 max=0.036636 Jy/beam ! Clean residual mean=-0.000021 rms=0.004592 Jy/beam ! Combined flux in latest and established models = 0.910663 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 12 components and 0.910663 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.119168Jy sigma=0.657237 ! Fit after self-cal, rms=0.118886Jy sigma=0.655695 ! Inverting map ! Added new window around map position (-3, 8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0321068 Jy ! Component: 100 - total flux cleaned = 0.0495885 Jy ! Total flux subtracted in 100 components = 0.0495885 Jy ! Clean residual min=-0.015798 max=0.019715 Jy/beam ! Clean residual mean=-0.000007 rms=0.003913 Jy/beam ! Combined flux in latest and established models = 0.960252 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 25 components and 0.960252 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.108552Jy sigma=0.588684 ! Fit after self-cal, rms=0.107729Jy sigma=0.584557 ! 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=3.654 mas, bmaj=5.17 mas, bpa=-22.04 degrees ! Estimated noise=1.23286 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 = 0.0143271 Jy ! Component: 100 - total flux cleaned = 0.017857 Jy ! Component: 150 - total flux cleaned = 0.0194472 Jy ! Component: 200 - total flux cleaned = 0.0205219 Jy ! Total flux subtracted in 200 components = 0.0205219 Jy ! Clean residual min=-0.012632 max=0.016707 Jy/beam ! Clean residual mean=0.000001 rms=0.003509 Jy/beam ! Combined flux in latest and established models = 0.980774 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 36 components and 0.980774 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.104770Jy sigma=0.565884 ! Fit after self-cal, rms=0.104598Jy sigma=0.564810 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.654 x 5.17 at -22.04 degrees (North through East) ! Clean map min=-0.011647 max=0.80963 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.03 HN 1.00 KP 0.98 ! LA 1.01 MK 1.00 NL 0.96 OV 0.98 ! PT 0.99 SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.06 HN 0.98 KP 0.95 ! LA 1.01 MK 1.00 NL 1.16 OV 1.00 ! PT 0.99 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.05 HN 1.00 KP 0.98 ! LA 0.98 MK 0.98 NL 1.12 OV 0.98 ! PT 0.98 SC 1.01 ! ! ! Fit before self-cal, rms=0.104598Jy sigma=0.564810 ! Fit after self-cal, rms=0.095070Jy sigma=0.501488 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.654 mas, bmaj=5.158 mas, bpa=-21.75 degrees ! Estimated noise=1.22695 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 = -0.000201979 Jy ! Component: 100 - total flux cleaned = -0.000610272 Jy ! Component: 150 - total flux cleaned = -0.000923867 Jy ! Component: 200 - total flux cleaned = -0.00106354 Jy ! Total flux subtracted in 200 components = -0.00106354 Jy ! Clean residual min=-0.011725 max=0.011890 Jy/beam ! Clean residual mean=-0.000004 rms=0.002771 Jy/beam ! Combined flux in latest and established models = 0.97971 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 42 components and 0.97971 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.094362Jy sigma=0.496852 ! Fit after self-cal, rms=0.094279Jy sigma=0.496435 ! 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=0.094279Jy sigma=0.496435 ! Fit after self-cal, rms=0.071099Jy sigma=0.377612 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.655 mas, bmaj=5.13 mas, bpa=-21.43 degrees ! Estimated noise=1.22764 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00379981 Jy ! Component: 100 - total flux cleaned = 0.00396873 Jy ! Component: 150 - total flux cleaned = 0.00382552 Jy ! Component: 200 - total flux cleaned = 0.00382578 Jy ! Total flux subtracted in 200 components = 0.00382578 Jy ! Clean residual min=-0.005147 max=0.010260 Jy/beam ! Clean residual mean=0.000004 rms=0.001381 Jy/beam ! Combined flux in latest and established models = 0.983536 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 50 components and 0.983536 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.070387Jy sigma=0.372244 ! Fit after self-cal, rms=0.070322Jy sigma=0.371854 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 (-21, 34.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00852421 Jy ! Component: 100 - total flux cleaned = 0.0125616 Jy ! Component: 150 - total flux cleaned = 0.0133707 Jy ! Component: 200 - total flux cleaned = 0.0137239 Jy ! Total flux subtracted in 200 components = 0.0137239 Jy ! Clean residual min=-0.004891 max=0.005440 Jy/beam ! Clean residual mean=0.000012 rms=0.001205 Jy/beam ! Combined flux in latest and established models = 0.99726 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 69 components and 0.99726 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.069143Jy sigma=0.363949 ! Fit after self-cal, rms=0.069079Jy sigma=0.363579 ! Inverting map ! Added new window around map position (-11.5, 5.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00325676 Jy ! Component: 100 - total flux cleaned = 0.00311088 Jy ! Component: 150 - total flux cleaned = 0.00323131 Jy ! Component: 200 - total flux cleaned = 0.00323066 Jy ! Total flux subtracted in 200 components = 0.00323066 Jy ! Clean residual min=-0.004655 max=0.005384 Jy/beam ! Clean residual mean=0.000013 rms=0.001119 Jy/beam ! Combined flux in latest and established models = 1.00049 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 82 components and 1.00049 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.068521Jy sigma=0.359572 ! Fit after self-cal, rms=0.068498Jy sigma=0.359477 ! Inverting map ! Added new window around map position (31, 14.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00344638 Jy ! Component: 100 - total flux cleaned = 0.00445192 Jy ! Component: 150 - total flux cleaned = 0.00466842 Jy ! Component: 200 - total flux cleaned = 0.00487188 Jy ! Total flux subtracted in 200 components = 0.00487188 Jy ! Clean residual min=-0.004079 max=0.004349 Jy/beam ! Clean residual mean=0.000009 rms=0.001034 Jy/beam ! Combined flux in latest and established models = 1.00536 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 90 components and 1.00536 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.068039Jy sigma=0.356188 ! Fit after self-cal, rms=0.068023Jy sigma=0.356110 ! 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=0.068023Jy sigma=0.356110 ! Fit after self-cal, rms=0.066739Jy sigma=0.346949 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.651 mas, bmaj=5.117 mas, bpa=-21.24 degrees ! Estimated noise=1.22714 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00149163 Jy ! Component: 100 - total flux cleaned = 0.00245892 Jy ! Component: 150 - total flux cleaned = 0.00319219 Jy ! Component: 200 - total flux cleaned = 0.00368212 Jy ! Total flux subtracted in 200 components = 0.00368212 Jy ! Clean residual min=-0.002865 max=0.003522 Jy/beam ! Clean residual mean=0.000004 rms=0.000763 Jy/beam ! Combined flux in latest and established models = 1.00904 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 108 components and 1.00904 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.066454Jy sigma=0.344869 ! Fit after self-cal, rms=0.066434Jy sigma=0.344755 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 (77.5, 39). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00187925 Jy ! Component: 100 - total flux cleaned = 0.0019426 Jy ! Component: 150 - total flux cleaned = 0.00231197 Jy ! Component: 200 - total flux cleaned = 0.00244943 Jy ! Total flux subtracted in 200 components = 0.00244943 Jy ! Clean residual min=-0.002793 max=0.003051 Jy/beam ! Clean residual mean=0.000005 rms=0.000716 Jy/beam ! Combined flux in latest and established models = 1.01149 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 118 components and 1.01149 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.066225Jy sigma=0.343173 ! Fit after self-cal, rms=0.066214Jy sigma=0.343128 ! 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=0.066214Jy sigma=0.343128 ! Fit after self-cal, rms=0.066233Jy sigma=0.342915 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.093 mas, bmaj=8.857 mas, bpa=-45.86 degrees ! Estimated noise=1.56239 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00181678 Jy ! Component: 100 - total flux cleaned = 0.00229043 Jy ! Component: 150 - total flux cleaned = 0.00253819 Jy ! Component: 200 - total flux cleaned = 0.00258354 Jy ! Total flux subtracted in 200 components = 0.00258354 Jy ! Clean residual min=-0.002366 max=0.002673 Jy/beam ! Clean residual mean=0.000008 rms=0.000765 Jy/beam ! Combined flux in latest and established models = 1.01408 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 146 components and 1.01408 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.066190Jy sigma=0.342665 ! Fit after self-cal, rms=0.066183Jy sigma=0.342630 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 = 0.000551217 Jy ! Component: 100 - total flux cleaned = 0.000516649 Jy ! Component: 150 - total flux cleaned = 0.000482068 Jy ! Component: 200 - total flux cleaned = 0.000481854 Jy ! Total flux subtracted in 200 components = 0.000481854 Jy ! Clean residual min=-0.002313 max=0.002607 Jy/beam ! Clean residual mean=0.000009 rms=0.000752 Jy/beam ! Combined flux in latest and established models = 1.01456 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 160 components and 1.01456 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.066174Jy sigma=0.342572 ! Fit after self-cal, rms=0.066171Jy sigma=0.342563 ! 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=3.649 mas, bmaj=5.112 mas, bpa=-21.19 degrees ! Estimated noise=1.22742 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.649 x 5.112 at -21.19 degrees (North through East) ! Clean map min=-0.0024043 max=0.80837 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=0.066171Jy sigma=0.342563 ! Fit after self-cal, rms=0.062227Jy sigma=0.315327 ! Inverting map and beam ! Estimated beam: bmin=3.648 mas, bmaj=5.113 mas, bpa=-21.23 degrees ! Estimated noise=1.22822 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00108014 Jy ! Component: 100 - total flux cleaned = 0.00128951 Jy ! Component: 150 - total flux cleaned = 0.00135615 Jy ! Component: 200 - total flux cleaned = 0.00148118 Jy ! Total flux subtracted in 200 components = 0.00148118 Jy ! Clean residual min=-0.002474 max=0.002862 Jy/beam ! Clean residual mean=0.000005 rms=0.000643 Jy/beam ! Combined flux in latest and established models = 1.01604 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 174 components and 1.01604 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.062106Jy sigma=0.314268 ! Fit after self-cal, rms=0.062098Jy sigma=0.314242 ! Inverting map ! Added new window around map position (-45, -13.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00127839 Jy ! Component: 100 - total flux cleaned = 0.00215379 Jy ! Component: 150 - total flux cleaned = 0.00264717 Jy ! Component: 200 - total flux cleaned = 0.00293152 Jy ! Total flux subtracted in 200 components = 0.00293152 Jy ! Clean residual min=-0.002363 max=0.002478 Jy/beam ! Clean residual mean=0.000003 rms=0.000601 Jy/beam ! Combined flux in latest and established models = 1.01897 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 187 components and 1.01897 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061923Jy sigma=0.312991 ! Fit after self-cal, rms=0.061919Jy sigma=0.312964 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061919Jy sigma=0.312964 ! Fit after self-cal, rms=0.061950Jy sigma=0.312875 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=2.996 mas, bmaj=4.457 mas, bpa=-23.08 degrees ! Estimated noise=1.8462 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.614243 Jy ! Component: 100 - total flux cleaned = 0.796261 Jy ! Component: 150 - total flux cleaned = 0.878055 Jy ! Component: 200 - total flux cleaned = 0.923212 Jy ! Total flux subtracted in 200 components = 0.923212 Jy ! Clean residual min=-0.010698 max=0.022651 Jy/beam ! Clean residual mean=-0.000018 rms=0.002744 Jy/beam ! Combined flux in latest and established models = 0.923212 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.923212 Jy ! Inverting map and beam ! Estimated beam: bmin=3.647 mas, bmaj=5.11 mas, bpa=-21.21 degrees ! Estimated noise=1.22875 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 = 0.0295974 Jy ! Component: 100 - total flux cleaned = 0.0471875 Jy ! Component: 150 - total flux cleaned = 0.059102 Jy ! Component: 200 - total flux cleaned = 0.0681231 Jy ! Total flux subtracted in 200 components = 0.0681231 Jy ! Clean residual min=-0.005332 max=0.005756 Jy/beam ! Clean residual mean=-0.000003 rms=0.001198 Jy/beam ! Combined flux in latest and established models = 0.991335 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 40 components and 0.991335 Jy ! Inverting map ! Added new window around map position (8, -50). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00730935 Jy ! Component: 100 - total flux cleaned = 0.0117185 Jy ! Component: 150 - total flux cleaned = 0.0149176 Jy ! Component: 200 - total flux cleaned = 0.0172215 Jy ! Total flux subtracted in 200 components = 0.0172215 Jy ! Clean residual min=-0.004610 max=0.004040 Jy/beam ! Clean residual mean=0.000004 rms=0.000983 Jy/beam ! Combined flux in latest and established models = 1.00856 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 56 components and 1.00856 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=8.091 mas, bmaj=8.852 mas, bpa=-45.84 degrees ! Estimated noise=1.56537 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0045032 Jy ! Component: 100 - total flux cleaned = 0.00559922 Jy ! Component: 150 - total flux cleaned = 0.00619627 Jy ! Component: 200 - total flux cleaned = 0.00690025 Jy ! Total flux subtracted in 200 components = 0.00690025 Jy ! Clean residual min=-0.002876 max=0.002762 Jy/beam ! Clean residual mean=0.000010 rms=0.000815 Jy/beam ! Combined flux in latest and established models = 1.01546 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 = 0.000329068 Jy ! Component: 100 - total flux cleaned = 0.000786481 Jy ! Component: 150 - total flux cleaned = 0.00121493 Jy ! Component: 200 - total flux cleaned = 0.00167852 Jy ! Total flux subtracted in 200 components = 0.00167852 Jy ! Clean residual min=-0.002758 max=0.002504 Jy/beam ! Clean residual mean=0.000008 rms=0.000746 Jy/beam ! Combined flux in latest and established models = 1.01714 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 102 components and 1.01714 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.647 mas, bmaj=5.11 mas, bpa=-21.21 degrees ! Estimated noise=1.22875 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000900927 Jy ! Component: 100 - total flux cleaned = 0.000901732 Jy ! Component: 150 - total flux cleaned = 0.00133018 Jy ! Component: 200 - total flux cleaned = 0.00172716 Jy ! Total flux subtracted in 200 components = 0.00172716 Jy ! Clean residual min=-0.003947 max=0.003263 Jy/beam ! Clean residual mean=0.000003 rms=0.000792 Jy/beam ! Combined flux in latest and established models = 1.01886 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 118 components and 1.01886 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.062909Jy sigma=0.320977 ! Fit after self-cal, rms=0.062757Jy sigma=0.320070 wmodel J1658+4737_S_map.mod ! Writing 118 model components to file: J1658+4737_S_map.mod wobs J1658+4737_S_uvs.fits ! Writing UV FITS file: J1658+4737_S_uvs.fits wwins J1658+4737_S_map.win ! wwins: Wrote 8 windows to J1658+4737_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 = -0.000243299 Jy ! Component: 100 - total flux cleaned = 0.000354384 Jy ! Component: 150 - total flux cleaned = 0.000807746 Jy ! Component: 200 - total flux cleaned = 0.000970472 Jy ! Component: 250 - total flux cleaned = 0.00118023 Jy ! Component: 300 - total flux cleaned = 0.00138346 Jy ! Component: 350 - total flux cleaned = 0.00138324 Jy ! Component: 400 - total flux cleaned = 0.00152681 Jy ! Component: 450 - total flux cleaned = 0.00180748 Jy ! Component: 500 - total flux cleaned = 0.00208175 Jy ! Component: 550 - total flux cleaned = 0.00248223 Jy ! Component: 600 - total flux cleaned = 0.00265617 Jy ! Component: 650 - total flux cleaned = 0.00291244 Jy ! Component: 700 - total flux cleaned = 0.00320491 Jy ! Component: 750 - total flux cleaned = 0.00340872 Jy ! Component: 800 - total flux cleaned = 0.00360958 Jy ! Component: 850 - total flux cleaned = 0.00392557 Jy ! Component: 900 - total flux cleaned = 0.00419643 Jy ! Component: 950 - total flux cleaned = 0.0045393 Jy ! Component: 1000 - total flux cleaned = 0.0047639 Jy ! Component: 1050 - total flux cleaned = 0.00505837 Jy ! Component: 1100 - total flux cleaned = 0.00534805 Jy ! Component: 1150 - total flux cleaned = 0.00566826 Jy ! Component: 1200 - total flux cleaned = 0.00591355 Jy ! Component: 1250 - total flux cleaned = 0.00618927 Jy ! Component: 1300 - total flux cleaned = 0.00642696 Jy ! Component: 1350 - total flux cleaned = 0.00652735 Jy ! Component: 1400 - total flux cleaned = 0.0068567 Jy ! Component: 1450 - total flux cleaned = 0.00705056 Jy ! Component: 1500 - total flux cleaned = 0.00724189 Jy ! Component: 1550 - total flux cleaned = 0.00739907 Jy ! Component: 1600 - total flux cleaned = 0.00752275 Jy ! Component: 1650 - total flux cleaned = 0.00761474 Jy ! Component: 1700 - total flux cleaned = 0.00782636 Jy ! Component: 1750 - total flux cleaned = 0.0078568 Jy ! Component: 1800 - total flux cleaned = 0.00817933 Jy ! Component: 1850 - total flux cleaned = 0.00826691 Jy ! Component: 1900 - total flux cleaned = 0.00846625 Jy ! Component: 1950 - total flux cleaned = 0.00866334 Jy ! Component: 2000 - total flux cleaned = 0.00869074 Jy ! Component: 2050 - total flux cleaned = 0.00882811 Jy ! Component: 2100 - total flux cleaned = 0.00898986 Jy ! Component: 2150 - total flux cleaned = 0.00904301 Jy ! Component: 2200 - total flux cleaned = 0.00917409 Jy ! Component: 2250 - total flux cleaned = 0.00930429 Jy ! Component: 2300 - total flux cleaned = 0.0094326 Jy ! Component: 2350 - total flux cleaned = 0.00950814 Jy ! Component: 2400 - total flux cleaned = 0.00963375 Jy ! Component: 2450 - total flux cleaned = 0.00978196 Jy ! Component: 2500 - total flux cleaned = 0.00983066 Jy ! Component: 2550 - total flux cleaned = 0.00987898 Jy ! Component: 2600 - total flux cleaned = 0.00999766 Jy ! Component: 2650 - total flux cleaned = 0.00997409 Jy ! Component: 2700 - total flux cleaned = 0.0100904 Jy ! Component: 2750 - total flux cleaned = 0.0101594 Jy ! Component: 2800 - total flux cleaned = 0.0100914 Jy ! Component: 2850 - total flux cleaned = 0.0102716 Jy ! Component: 2900 - total flux cleaned = 0.0102939 Jy ! Component: 2950 - total flux cleaned = 0.0103381 Jy ! Component: 3000 - total flux cleaned = 0.0104032 Jy ! Component: 3050 - total flux cleaned = 0.0104676 Jy ! Component: 3100 - total flux cleaned = 0.0104887 Jy ! Component: 3150 - total flux cleaned = 0.0105097 Jy ! Component: 3200 - total flux cleaned = 0.0106558 Jy ! Component: 3250 - total flux cleaned = 0.0107176 Jy ! Component: 3300 - total flux cleaned = 0.010779 Jy ! Component: 3350 - total flux cleaned = 0.0108399 Jy ! Component: 3400 - total flux cleaned = 0.0108198 Jy ! Component: 3450 - total flux cleaned = 0.0108986 Jy ! Component: 3500 - total flux cleaned = 0.0109378 Jy ! Component: 3550 - total flux cleaned = 0.010977 Jy ! Component: 3600 - total flux cleaned = 0.0109773 Jy ! Component: 3650 - total flux cleaned = 0.0110726 Jy ! Component: 3700 - total flux cleaned = 0.0111103 Jy ! Component: 3750 - total flux cleaned = 0.0111477 Jy ! Component: 3800 - total flux cleaned = 0.011203 Jy ! Component: 3850 - total flux cleaned = 0.0112761 Jy ! Component: 3900 - total flux cleaned = 0.0112576 Jy ! Component: 3950 - total flux cleaned = 0.0112758 Jy ! Component: 4000 - total flux cleaned = 0.0112935 Jy ! Component: 4050 - total flux cleaned = 0.0113641 Jy ! Total flux subtracted in 4096 components = 0.0114689 Jy ! Clean residual min=-0.000871 max=0.001073 Jy/beam ! Clean residual mean=0.000002 rms=0.000301 Jy/beam ! Combined flux in latest and established models = 1.03033 Jy keep ! Adding 276 model components to the UV plane model. ! The established model now contains 392 components and 1.03033 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1658+4737_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.647 x 5.11 at -21.21 degrees (North through East) ! Clean map min=-0.0018593 max=0.8066 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1658+4737_S_map.fits wmodel /image_prod/ug002_uva//J1658+4737_S_map.mod ! Writing 392 model components to file: /image_prod/ug002_uva//J1658+4737_S_map.mod wobs /image_prod/ug002_uva//J1658+4737_S_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1658+4737_S_uvs.fits wwins /image_prod/ug002_uva//J1658+4737_S_map.win ! wwins: Wrote 9 windows to /image_prod/ug002_uva//J1658+4737_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.806602 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000299816 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.111511 0.111511 0.223022 0.446044 0.892087 1.78417 3.56835 7.1367 14.2734 28.5468 57.0936 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.806 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2690.32 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1658+4737_S_dfm.log closed on Thu Mar 5 03:02:52 2020