! Started logfile: /vlbi/uf001/uva//J1644+2536_S_dfm.log on Mon Jan 14 03:51:17 2019 float field_size field_size = 1024 float field_cell field_cell = 0.5000 float taper_size taper_size = 20.0 float freq freq = 2.22000 obs /vlbi/uf001/uva//J1644+2536_S_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1644+2536_S_uva.fits ! AN table 1: 58 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.877011 visibilities/baseline/integration-bin. ! Found source: J1644+2536 ! ! 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 6867 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 J1644+2536_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 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.032210Jy sigma=20.245405 ! Fit after self-cal, rms=0.811334Jy sigma=16.195743 ! 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=3.06 mas, bmaj=5.837 mas, bpa=-3.946 degrees ! Estimated noise=0.637677 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 = 0.14695 Jy ! Component: 100 - total flux cleaned = 0.197954 Jy ! Total flux subtracted in 100 components = 0.197954 Jy ! Clean residual min=-0.023905 max=0.075799 Jy/beam ! Clean residual mean=-0.000066 rms=0.007196 Jy/beam ! Combined flux in latest and established models = 0.197954 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.197954 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.183014Jy sigma=3.298833 ! Fit after self-cal, rms=0.182700Jy sigma=3.293798 ! Inverting map ! Added new window around map position (7, -14.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0632668 Jy ! Component: 100 - total flux cleaned = 0.0962935 Jy ! Total flux subtracted in 100 components = 0.0962935 Jy ! Clean residual min=-0.021231 max=0.044124 Jy/beam ! Clean residual mean=-0.000062 rms=0.005471 Jy/beam ! Combined flux in latest and established models = 0.294248 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 29 components and 0.294248 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.148433Jy sigma=2.665672 ! Fit after self-cal, rms=0.139272Jy sigma=2.522481 ! Inverting map ! Added new window around map position (11.5, -18.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0516489 Jy ! Component: 100 - total flux cleaned = 0.0791067 Jy ! Total flux subtracted in 100 components = 0.0791067 Jy ! Clean residual min=-0.015422 max=0.020944 Jy/beam ! Clean residual mean=-0.000049 rms=0.003521 Jy/beam ! Combined flux in latest and established models = 0.373354 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 50 components and 0.373354 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.110229Jy sigma=1.987412 ! Fit after self-cal, rms=0.105931Jy sigma=1.908369 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0271545 Jy ! Component: 100 - total flux cleaned = 0.046783 Jy ! Total flux subtracted in 100 components = 0.046783 Jy ! Clean residual min=-0.011393 max=0.017195 Jy/beam ! Clean residual mean=-0.000030 rms=0.002637 Jy/beam ! Combined flux in latest and established models = 0.420137 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 60 components and 0.420137 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.092499Jy sigma=1.671606 ! Fit after self-cal, rms=0.091767Jy sigma=1.658477 ! Inverting map ! Added new window around map position (3.5, -7.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0193993 Jy ! Component: 100 - total flux cleaned = 0.0345925 Jy ! Total flux subtracted in 100 components = 0.0345925 Jy ! Clean residual min=-0.008575 max=0.013401 Jy/beam ! Clean residual mean=-0.000019 rms=0.002178 Jy/beam ! Combined flux in latest and established models = 0.45473 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 73 components and 0.45473 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.083576Jy sigma=1.517033 ! Fit after self-cal, rms=0.083373Jy sigma=1.513696 ! Inverting map ! Added new window around map position (13, -26.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0152909 Jy ! Component: 100 - total flux cleaned = 0.0274505 Jy ! Total flux subtracted in 100 components = 0.0274505 Jy ! Clean residual min=-0.007237 max=0.009314 Jy/beam ! Clean residual mean=-0.000018 rms=0.001864 Jy/beam ! Combined flux in latest and established models = 0.48218 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 87 components and 0.48218 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.077563Jy sigma=1.415557 ! Fit after self-cal, rms=0.077355Jy sigma=1.412100 ! 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=3.777 mas, bmaj=6.638 mas, bpa=-3.293 degrees ! Estimated noise=0.474084 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 = 0.0188218 Jy ! Component: 100 - total flux cleaned = 0.0331843 Jy ! Component: 150 - total flux cleaned = 0.0450765 Jy ! Component: 200 - total flux cleaned = 0.0551451 Jy ! Total flux subtracted in 200 components = 0.0551451 Jy ! Clean residual min=-0.007674 max=0.012146 Jy/beam ! Clean residual mean=-0.000029 rms=0.002059 Jy/beam ! Combined flux in latest and established models = 0.537325 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 116 components and 0.537325 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.069172Jy sigma=1.275140 ! Fit after self-cal, rms=0.068781Jy sigma=1.267998 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.777 x 6.638 at -3.293 degrees (North through East) ! Clean map min=-0.0081034 max=0.18463 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.91 HN 1.02 KP 0.97 ! LA 0.89 MK 1.06 NL 1.07 OV 0.96 ! PT 0.96 SC 1.04 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.92 HN 1.01 KP 0.98 ! LA 0.92 MK 1.12 NL 1.11 OV 0.99 ! PT 0.95 SC 1.06 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.93 HN 1.05 KP 0.99 ! LA 0.93 MK 1.12 NL 1.09 OV 1.02 ! PT 0.97 SC 1.06 ! ! ! Fit before self-cal, rms=0.068781Jy sigma=1.267998 ! Fit after self-cal, rms=0.064533Jy sigma=1.183451 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.899 mas, bmaj=6.797 mas, bpa=-2.842 degrees ! Estimated noise=0.4748 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 = 0.00446526 Jy ! Component: 100 - total flux cleaned = 0.006271 Jy ! Component: 150 - total flux cleaned = 0.00698252 Jy ! Component: 200 - total flux cleaned = 0.00772731 Jy ! Total flux subtracted in 200 components = 0.00772731 Jy ! Clean residual min=-0.004157 max=0.007696 Jy/beam ! Clean residual mean=-0.000004 rms=0.001141 Jy/beam ! Combined flux in latest and established models = 0.545053 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 132 components and 0.545053 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.063414Jy sigma=1.161946 ! Fit after self-cal, rms=0.063266Jy sigma=1.158024 ! Inverting map ! Added new window around map position (4.5, 12). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00546961 Jy ! Component: 100 - total flux cleaned = 0.0078662 Jy ! Component: 150 - total flux cleaned = 0.00951735 Jy ! Component: 200 - total flux cleaned = 0.0105567 Jy ! Total flux subtracted in 200 components = 0.0105567 Jy ! Clean residual min=-0.003669 max=0.003184 Jy/beam ! Clean residual mean=0.000004 rms=0.000874 Jy/beam ! Combined flux in latest and established models = 0.555609 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 152 components and 0.555609 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.062364Jy sigma=1.140155 ! Fit after self-cal, rms=0.062305Jy sigma=1.139073 ! 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=0.062305Jy sigma=1.139073 ! Fit after self-cal, rms=0.061980Jy sigma=1.127817 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.883 mas, bmaj=6.807 mas, bpa=-2.487 degrees ! Estimated noise=0.472646 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000171622 Jy ! Component: 100 - total flux cleaned = 0.000462074 Jy ! Component: 150 - total flux cleaned = 0.000820766 Jy ! Component: 200 - total flux cleaned = 0.0014006 Jy ! Total flux subtracted in 200 components = 0.0014006 Jy ! Clean residual min=-0.002580 max=0.002648 Jy/beam ! Clean residual mean=-0.000002 rms=0.000655 Jy/beam ! Combined flux in latest and established models = 0.55701 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 169 components and 0.55701 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061710Jy sigma=1.122312 ! Fit after self-cal, rms=0.061712Jy sigma=1.122053 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 = 0.000317307 Jy ! Component: 100 - total flux cleaned = 0.000615122 Jy ! Component: 150 - total flux cleaned = 0.000895127 Jy ! Component: 200 - total flux cleaned = 0.00115773 Jy ! Total flux subtracted in 200 components = 0.00115773 Jy ! Clean residual min=-0.002434 max=0.002505 Jy/beam ! Clean residual mean=-0.000001 rms=0.000609 Jy/beam ! Combined flux in latest and established models = 0.558167 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 177 components and 0.558167 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061563Jy sigma=1.119012 ! Fit after self-cal, rms=0.061553Jy sigma=1.118888 ! 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=0.061553Jy sigma=1.118888 ! Fit after self-cal, rms=0.061316Jy sigma=1.118704 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.885 mas, bmaj=6.808 mas, bpa=-2.476 degrees ! Estimated noise=0.471437 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000170656 Jy ! Component: 100 - total flux cleaned = 0.000204558 Jy ! Component: 150 - total flux cleaned = 0.000379075 Jy ! Component: 200 - total flux cleaned = 0.000652538 Jy ! Total flux subtracted in 200 components = 0.000652538 Jy ! Clean residual min=-0.002261 max=0.002417 Jy/beam ! Clean residual mean=-0.000001 rms=0.000573 Jy/beam ! Combined flux in latest and established models = 0.55882 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 186 components and 0.55882 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061208Jy sigma=1.116512 ! Fit after self-cal, rms=0.061201Jy sigma=1.116434 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 = 0.000217895 Jy ! Component: 100 - total flux cleaned = 0.000370998 Jy ! Component: 150 - total flux cleaned = 0.000613448 Jy ! Component: 200 - total flux cleaned = 0.000796479 Jy ! Total flux subtracted in 200 components = 0.000796479 Jy ! Clean residual min=-0.002163 max=0.002417 Jy/beam ! Clean residual mean=-0.000001 rms=0.000551 Jy/beam ! Combined flux in latest and established models = 0.559616 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 196 components and 0.559616 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061132Jy sigma=1.114985 ! Fit after self-cal, rms=0.061126Jy sigma=1.114928 ! Inverting map ! Added new window around map position (-123, 39.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00213664 Jy ! Component: 100 - total flux cleaned = 0.00308462 Jy ! Component: 150 - total flux cleaned = 0.00331607 Jy ! Component: 200 - total flux cleaned = 0.00353497 Jy ! Total flux subtracted in 200 components = 0.00353497 Jy ! Clean residual min=-0.002145 max=0.002031 Jy/beam ! Clean residual mean=-0.000001 rms=0.000522 Jy/beam ! Combined flux in latest and established models = 0.563151 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 211 components and 0.563151 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061026Jy sigma=1.112881 ! Fit after self-cal, rms=0.061021Jy sigma=1.112772 ! 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=0.061021Jy sigma=1.112772 ! Fit after self-cal, rms=0.060840Jy sigma=1.112587 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.972 mas, bmaj=10 mas, bpa=-4.616 degrees ! Estimated noise=0.571552 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00113771 Jy ! Component: 100 - total flux cleaned = 0.00178609 Jy ! Component: 150 - total flux cleaned = 0.00204747 Jy ! Component: 200 - total flux cleaned = 0.00220643 Jy ! Total flux subtracted in 200 components = 0.00220643 Jy ! Clean residual min=-0.001888 max=0.002324 Jy/beam ! Clean residual mean=-0.000000 rms=0.000529 Jy/beam ! Combined flux in latest and established models = 0.565358 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 231 components and 0.565358 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.060809Jy sigma=1.111915 ! Fit after self-cal, rms=0.060807Jy sigma=1.111887 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 (-67, -28.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000766971 Jy ! Component: 100 - total flux cleaned = 0.00103993 Jy ! Component: 150 - total flux cleaned = 0.0012272 Jy ! Component: 200 - total flux cleaned = 0.00129343 Jy ! Total flux subtracted in 200 components = 0.00129343 Jy ! Clean residual min=-0.001694 max=0.001706 Jy/beam ! Clean residual mean=0.000002 rms=0.000489 Jy/beam ! Combined flux in latest and established models = 0.566651 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 265 components and 0.566651 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.060738Jy sigma=1.110722 ! Fit after self-cal, rms=0.060733Jy sigma=1.110669 ! 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=3.887 mas, bmaj=6.804 mas, bpa=-2.518 degrees ! Estimated noise=0.470432 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.887 x 6.804 at -2.518 degrees (North through East) ! Clean map min=-0.0017326 max=0.17933 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=3.133 mas, bmaj=5.985 mas, bpa=-3.285 degrees ! Estimated noise=0.645384 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.158386 Jy ! Component: 100 - total flux cleaned = 0.243005 Jy ! Component: 150 - total flux cleaned = 0.297222 Jy ! Component: 200 - total flux cleaned = 0.33634 Jy ! Total flux subtracted in 200 components = 0.33634 Jy ! Clean residual min=-0.013502 max=0.022950 Jy/beam ! Clean residual mean=-0.000034 rms=0.003642 Jy/beam ! Combined flux in latest and established models = 0.33634 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 27 model components to the UV plane model. ! The established model now contains 27 components and 0.33634 Jy ! Inverting map and beam ! Estimated beam: bmin=3.887 mas, bmaj=6.804 mas, bpa=-2.518 degrees ! Estimated noise=0.470432 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 = 0.0422332 Jy ! Component: 100 - total flux cleaned = 0.0744246 Jy ! Component: 150 - total flux cleaned = 0.0996813 Jy ! Component: 200 - total flux cleaned = 0.119814 Jy ! Total flux subtracted in 200 components = 0.119814 Jy ! Clean residual min=-0.006169 max=0.011933 Jy/beam ! Clean residual mean=-0.000037 rms=0.002198 Jy/beam ! Combined flux in latest and established models = 0.456155 Jy ! Adding 53 model components to the UV plane model. ! The established model now contains 66 components and 0.456155 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0162583 Jy ! Component: 100 - total flux cleaned = 0.0295605 Jy ! Component: 150 - total flux cleaned = 0.0406338 Jy ! Component: 200 - total flux cleaned = 0.0499575 Jy ! Total flux subtracted in 200 components = 0.0499575 Jy ! Clean residual min=-0.003798 max=0.005813 Jy/beam ! Clean residual mean=-0.000020 rms=0.001214 Jy/beam ! Combined flux in latest and established models = 0.506112 Jy ! Adding 52 model components to the UV plane model. ! The established model now contains 101 components and 0.506112 Jy ! Inverting map ! Added new window around map position (3, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00789392 Jy ! Component: 100 - total flux cleaned = 0.014594 Jy ! Component: 150 - total flux cleaned = 0.0203128 Jy ! Component: 200 - total flux cleaned = 0.0252266 Jy ! Total flux subtracted in 200 components = 0.0252266 Jy ! Clean residual min=-0.002929 max=0.003268 Jy/beam ! Clean residual mean=-0.000011 rms=0.000792 Jy/beam ! Combined flux in latest and established models = 0.531339 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 128 components and 0.531339 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.972 mas, bmaj=10 mas, bpa=-4.616 degrees ! Estimated noise=0.571552 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00664098 Jy ! Component: 100 - total flux cleaned = 0.0115785 Jy ! Component: 150 - total flux cleaned = 0.0152966 Jy ! Component: 200 - total flux cleaned = 0.0179757 Jy ! Total flux subtracted in 200 components = 0.0179757 Jy ! Clean residual min=-0.002609 max=0.002160 Jy/beam ! Clean residual mean=-0.000008 rms=0.000680 Jy/beam ! Combined flux in latest and established models = 0.549315 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 = 0.00236323 Jy ! Component: 100 - total flux cleaned = 0.00448851 Jy ! Component: 150 - total flux cleaned = 0.00616755 Jy ! Component: 200 - total flux cleaned = 0.00748875 Jy ! Total flux subtracted in 200 components = 0.00748875 Jy ! Clean residual min=-0.002122 max=0.001838 Jy/beam ! Clean residual mean=-0.000003 rms=0.000535 Jy/beam ! Combined flux in latest and established models = 0.556803 Jy ! Adding 131 model components to the UV plane model. ! The established model now contains 241 components and 0.556803 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.887 mas, bmaj=6.804 mas, bpa=-2.518 degrees ! Estimated noise=0.470432 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0010123 Jy ! Component: 100 - total flux cleaned = 0.00179029 Jy ! Component: 150 - total flux cleaned = 0.00268446 Jy ! Component: 200 - total flux cleaned = 0.00356104 Jy ! Total flux subtracted in 200 components = 0.00356104 Jy ! Clean residual min=-0.001947 max=0.001847 Jy/beam ! Clean residual mean=-0.000001 rms=0.000480 Jy/beam ! Combined flux in latest and established models = 0.560364 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 265 components and 0.560364 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.060751Jy sigma=1.111491 ! Fit after self-cal, rms=0.060705Jy sigma=1.110469 wmodel J1644+2536_S_map.mod ! Writing 265 model components to file: J1644+2536_S_map.mod wobs J1644+2536_S_uvs.fits ! Writing UV FITS file: J1644+2536_S_uvs.fits wwins J1644+2536_S_map.win ! wwins: Wrote 9 windows to J1644+2536_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 = -0.000107933 Jy ! Component: 100 - total flux cleaned = -0.000200777 Jy ! Component: 150 - total flux cleaned = -0.000170611 Jy ! Component: 200 - total flux cleaned = -0.000199974 Jy ! Component: 250 - total flux cleaned = -0.0002279 Jy ! Component: 300 - total flux cleaned = -0.000227662 Jy ! Component: 350 - total flux cleaned = -0.000308499 Jy ! Component: 400 - total flux cleaned = -0.000334814 Jy ! Component: 450 - total flux cleaned = -0.000386687 Jy ! Component: 500 - total flux cleaned = -0.000489446 Jy ! Component: 550 - total flux cleaned = -0.000564953 Jy ! Component: 600 - total flux cleaned = -0.000589309 Jy ! Component: 650 - total flux cleaned = -0.000540293 Jy ! Component: 700 - total flux cleaned = -0.000588804 Jy ! Component: 750 - total flux cleaned = -0.000588827 Jy ! Component: 800 - total flux cleaned = -0.000565612 Jy ! Component: 850 - total flux cleaned = -0.000588866 Jy ! Component: 900 - total flux cleaned = -0.000588712 Jy ! Component: 950 - total flux cleaned = -0.000633914 Jy ! Component: 1000 - total flux cleaned = -0.000656156 Jy ! Component: 1050 - total flux cleaned = -0.00065647 Jy ! Component: 1100 - total flux cleaned = -0.000678369 Jy ! Component: 1150 - total flux cleaned = -0.00070022 Jy ! Component: 1200 - total flux cleaned = -0.000742944 Jy ! Component: 1250 - total flux cleaned = -0.000806559 Jy ! Component: 1300 - total flux cleaned = -0.000764296 Jy ! Component: 1350 - total flux cleaned = -0.000805906 Jy ! Component: 1400 - total flux cleaned = -0.000888246 Jy ! Component: 1450 - total flux cleaned = -0.000867992 Jy ! Component: 1500 - total flux cleaned = -0.000848116 Jy ! Component: 1550 - total flux cleaned = -0.000908393 Jy ! Component: 1600 - total flux cleaned = -0.000928163 Jy ! Component: 1650 - total flux cleaned = -0.000888833 Jy ! Component: 1700 - total flux cleaned = -0.000830342 Jy ! Component: 1750 - total flux cleaned = -0.000830368 Jy ! Component: 1800 - total flux cleaned = -0.000868417 Jy ! Component: 1850 - total flux cleaned = -0.000773933 Jy ! Component: 1900 - total flux cleaned = -0.000848963 Jy ! Component: 1950 - total flux cleaned = -0.000848874 Jy ! Component: 2000 - total flux cleaned = -0.000830622 Jy ! Component: 2050 - total flux cleaned = -0.000903936 Jy ! Component: 2100 - total flux cleaned = -0.000922068 Jy ! Component: 2150 - total flux cleaned = -0.00095799 Jy ! Component: 2200 - total flux cleaned = -0.00102955 Jy ! Component: 2250 - total flux cleaned = -0.000976346 Jy ! Component: 2300 - total flux cleaned = -0.000958558 Jy ! Component: 2350 - total flux cleaned = -0.00104586 Jy ! Component: 2400 - total flux cleaned = -0.000976512 Jy ! Component: 2450 - total flux cleaned = -0.00106254 Jy ! Component: 2500 - total flux cleaned = -0.000994205 Jy ! Component: 2550 - total flux cleaned = -0.00101125 Jy ! Component: 2600 - total flux cleaned = -0.00114589 Jy ! Component: 2650 - total flux cleaned = -0.00112911 Jy ! Component: 2700 - total flux cleaned = -0.00106278 Jy ! Component: 2750 - total flux cleaned = -0.00109576 Jy ! Component: 2800 - total flux cleaned = -0.00112865 Jy ! Component: 2850 - total flux cleaned = -0.00111225 Jy ! Component: 2900 - total flux cleaned = -0.00112839 Jy ! Component: 2950 - total flux cleaned = -0.00117651 Jy ! Component: 3000 - total flux cleaned = -0.0011444 Jy ! Component: 3050 - total flux cleaned = -0.00109701 Jy ! Component: 3100 - total flux cleaned = -0.00122266 Jy ! Component: 3150 - total flux cleaned = -0.00119132 Jy ! Component: 3200 - total flux cleaned = -0.00114462 Jy ! Component: 3250 - total flux cleaned = -0.00111373 Jy ! Component: 3300 - total flux cleaned = -0.00114439 Jy ! Component: 3350 - total flux cleaned = -0.00112899 Jy ! Component: 3400 - total flux cleaned = -0.00108364 Jy ! Component: 3450 - total flux cleaned = -0.00114393 Jy ! Component: 3500 - total flux cleaned = -0.00111399 Jy ! Component: 3550 - total flux cleaned = -0.00117354 Jy ! Component: 3600 - total flux cleaned = -0.00117341 Jy ! Component: 3650 - total flux cleaned = -0.00118801 Jy ! Component: 3700 - total flux cleaned = -0.00120263 Jy ! Component: 3750 - total flux cleaned = -0.00120255 Jy ! Component: 3800 - total flux cleaned = -0.001188 Jy ! Component: 3850 - total flux cleaned = -0.00117354 Jy ! Component: 3900 - total flux cleaned = -0.00127371 Jy ! Component: 3950 - total flux cleaned = -0.00114562 Jy ! Component: 4000 - total flux cleaned = -0.00114561 Jy ! Component: 4050 - total flux cleaned = -0.00120209 Jy ! Total flux subtracted in 4096 components = -0.00121609 Jy ! Clean residual min=-0.000838 max=0.000770 Jy/beam ! Clean residual mean=-0.000001 rms=0.000261 Jy/beam ! Combined flux in latest and established models = 0.559148 Jy keep ! Adding 274 model components to the UV plane model. ! The established model now contains 537 components and 0.559148 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1644+2536_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.887 x 6.804 at -2.518 degrees (North through East) ! Clean map min=-0.0014699 max=0.17874 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1644+2536_S_map.fits wmodel /vlbi/uf001/uva//J1644+2536_S_map.mod ! Writing 537 model components to file: /vlbi/uf001/uva//J1644+2536_S_map.mod wobs /vlbi/uf001/uva//J1644+2536_S_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1644+2536_S_uvs.fits wwins /vlbi/uf001/uva//J1644+2536_S_map.win ! wwins: Wrote 10 windows to /vlbi/uf001/uva//J1644+2536_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.178738 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000257907 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.432881 0.432881 0.865762 1.73152 3.46305 6.92609 13.8522 27.7044 55.4087 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.178 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 693.031 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1644+2536_S_dfm.log closed on Mon Jan 14 03:51:22 2019