! Started logfile: /vlbi/bp222/maps//J2218+1520_S_dfm.log on Thu Sep 27 11:41:09 2018 float field_size field_size = 1024 float field_cell field_cell = 0.5000 float taper_size taper_size = 20.0 float freq freq = 2.22000 obs /vlbi/bp222/maps//J2218+1520_S_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J2218+1520_S_uvm.fits ! AN table 1: 32 integrations on 45 of 45 possible baselines. ! AN table 2: 32 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.864298 visibilities/baseline/integration-bin. ! Found source: J2218+1520 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.22e+09 3.2e+07 1 3.2e+07 ! 02 2 2.252e+09 3.2e+07 1 3.2e+07 ! 03 3 2.284e+09 3.2e+07 1 3.2e+07 ! 04 4 2.348e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 54 lines of history. ! ! Reading 8076 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 4 channels. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.5 print "taper_size =", taper_size ! taper_size = 20 ![@/opt64/bin/pima_mupet_01.dfm J2218+1520_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 30 telescope corrections were flagged in sub-array 1. ! A total of 28 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! A total of 28 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! A total of 28 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 189 telescope corrections were flagged in sub-array 1. ! A total of 256 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.280535Jy sigma=20.446341 ! Fit after self-cal, rms=0.262170Jy sigma=4.039970 ! 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=2.765 mas, bmaj=8.397 mas, bpa=-11.93 degrees ! Estimated noise=0.793521 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 = 0.614494 Jy ! Component: 100 - total flux cleaned = 0.748494 Jy ! Total flux subtracted in 100 components = 0.748494 Jy ! Clean residual min=-0.018268 max=0.037377 Jy/beam ! Clean residual mean=-0.000010 rms=0.004632 Jy/beam ! Combined flux in latest and established models = 0.748494 Jy ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 0.748494 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.147364Jy sigma=2.054717 ! Fit after self-cal, rms=0.147361Jy sigma=2.054696 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.03123 Jy ! Component: 100 - total flux cleaned = 0.0343655 Jy ! Total flux subtracted in 100 components = 0.0343655 Jy ! Clean residual min=-0.015681 max=0.014391 Jy/beam ! Clean residual mean=-0.000019 rms=0.003886 Jy/beam ! Combined flux in latest and established models = 0.78286 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.78286 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.143136Jy sigma=1.961441 ! Fit after self-cal, rms=0.143137Jy sigma=1.961431 ! 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=3.406 mas, bmaj=9.158 mas, bpa=-10.54 degrees ! Estimated noise=0.579234 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 = -0.0147358 Jy ! Component: 100 - total flux cleaned = -0.0237896 Jy ! Component: 150 - total flux cleaned = -0.0262437 Jy ! Component: 200 - total flux cleaned = -0.028115 Jy ! Total flux subtracted in 200 components = -0.028115 Jy ! Clean residual min=-0.017126 max=0.014704 Jy/beam ! Clean residual mean=-0.000036 rms=0.004630 Jy/beam ! Combined flux in latest and established models = 0.754745 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 29 components and 0.754745 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141014Jy sigma=1.933921 ! Fit after self-cal, rms=0.141011Jy sigma=1.933906 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.406 x 9.158 at -10.54 degrees (North through East) ! Clean map min=-0.016921 max=0.78416 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 HN 1.02 KP 1.01 ! LA 0.98 MK 1.01 NL 0.97 OV 0.99 ! PT 0.99 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.00 HN 1.00 LA 0.96 ! MK 0.98 NL 0.96 OV 1.00 PT 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.01 HN 1.02 KP 1.00 ! LA 0.98 MK 0.97 NL 1.00 OV 0.99 ! PT 0.99 SC 1.19 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.75 FD 0.99 HN 1.01 LA 0.97 ! MK 0.97 NL 0.98 OV 1.01 PT 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 HN 1.02 KP 0.99 ! LA 0.98 MK 0.98 NL 1.01 OV 0.98 ! PT 0.99 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 1.00 HN 1.00 LA 0.97 ! MK 1.03 NL 0.97 OV 0.99 PT 0.98 ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 9.62 HN 1.04 KP 1.00* ! LA 3.73 MK 1.00* NL 1.00* OV 1.05 ! PT 0.97 SC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HN 0.00* LA 0.00* ! MK 0.00* NL 0.00* OV 0.00* PT 0.00* ! ! ! Fit before self-cal, rms=0.141011Jy sigma=1.933906 ! Fit after self-cal, rms=0.063324Jy sigma=0.899492 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.402 mas, bmaj=9.143 mas, bpa=-10.89 degrees ! Estimated noise=0.577803 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 (-0.5, -9.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00763917 Jy ! Component: 100 - total flux cleaned = 0.0107488 Jy ! Component: 150 - total flux cleaned = 0.0110588 Jy ! Component: 200 - total flux cleaned = 0.0112367 Jy ! Total flux subtracted in 200 components = 0.0112367 Jy ! Clean residual min=-0.005417 max=0.004360 Jy/beam ! Clean residual mean=0.000002 rms=0.001137 Jy/beam ! Combined flux in latest and established models = 0.765981 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 48 components and 0.765981 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062470Jy sigma=0.881530 ! Fit after self-cal, rms=0.062604Jy sigma=0.881252 ! Inverting map selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062604Jy sigma=0.881252 ! Fit after self-cal, rms=0.062288Jy sigma=0.878486 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.397 mas, bmaj=9.133 mas, bpa=-10.94 degrees ! Estimated noise=0.577861 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00338246 Jy ! Component: 100 - total flux cleaned = 0.00525287 Jy ! Component: 150 - total flux cleaned = 0.00581919 Jy ! Component: 200 - total flux cleaned = 0.00600714 Jy ! Total flux subtracted in 200 components = 0.00600714 Jy ! Clean residual min=-0.005217 max=0.004044 Jy/beam ! Clean residual mean=0.000000 rms=0.001061 Jy/beam ! Combined flux in latest and established models = 0.771988 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 64 components and 0.771988 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062069Jy sigma=0.873749 ! Fit after self-cal, rms=0.062066Jy sigma=0.873703 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 = 0.00019014 Jy ! Component: 100 - total flux cleaned = 0.000349101 Jy ! Component: 150 - total flux cleaned = 0.00044922 Jy ! Component: 200 - total flux cleaned = 0.000588069 Jy ! Total flux subtracted in 200 components = 0.000588069 Jy ! Clean residual min=-0.005213 max=0.004005 Jy/beam ! Clean residual mean=-0.000000 rms=0.001048 Jy/beam ! Combined flux in latest and established models = 0.772576 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 70 components and 0.772576 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.061987Jy sigma=0.872307 ! Fit after self-cal, rms=0.061985Jy sigma=0.872278 ! Inverting map selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.061985Jy sigma=0.872278 ! Fit after self-cal, rms=0.055830Jy sigma=0.813636 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.396 mas, bmaj=9.129 mas, bpa=-10.95 degrees ! Estimated noise=0.578045 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00220156 Jy ! Component: 100 - total flux cleaned = 0.0036413 Jy ! Component: 150 - total flux cleaned = 0.00435884 Jy ! Component: 200 - total flux cleaned = 0.00474231 Jy ! Total flux subtracted in 200 components = 0.00474231 Jy ! Clean residual min=-0.001946 max=0.002158 Jy/beam ! Clean residual mean=0.000003 rms=0.000557 Jy/beam ! Combined flux in latest and established models = 0.777319 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 83 components and 0.777319 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055722Jy sigma=0.811599 ! Fit after self-cal, rms=0.055709Jy sigma=0.811564 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 = 0.000439189 Jy ! Component: 100 - total flux cleaned = 0.000627569 Jy ! Component: 150 - total flux cleaned = 0.000742153 Jy ! Component: 200 - total flux cleaned = 0.000846451 Jy ! Total flux subtracted in 200 components = 0.000846451 Jy ! Clean residual min=-0.001958 max=0.002058 Jy/beam ! Clean residual mean=0.000002 rms=0.000548 Jy/beam ! Combined flux in latest and established models = 0.778165 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 92 components and 0.778165 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055682Jy sigma=0.811045 ! Fit after self-cal, rms=0.055681Jy sigma=0.811039 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055681Jy sigma=0.811039 ! Fit after self-cal, rms=0.055648Jy sigma=0.810354 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.639 mas, bmaj=11.19 mas, bpa=-5.95 degrees ! Estimated noise=0.687054 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00166379 Jy ! Component: 100 - total flux cleaned = 0.00242596 Jy ! Component: 150 - total flux cleaned = 0.0025445 Jy ! Component: 200 - total flux cleaned = 0.00260622 Jy ! Total flux subtracted in 200 components = 0.00260622 Jy ! Clean residual min=-0.002063 max=0.002450 Jy/beam ! Clean residual mean=0.000005 rms=0.000647 Jy/beam ! Combined flux in latest and established models = 0.780771 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 109 components and 0.780771 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055625Jy sigma=0.809770 ! Fit after self-cal, rms=0.055625Jy sigma=0.809745 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 = 0.000129861 Jy ! Component: 100 - total flux cleaned = 0.000130691 Jy ! Component: 150 - total flux cleaned = 0.000130437 Jy ! Component: 200 - total flux cleaned = 0.000130195 Jy ! Total flux subtracted in 200 components = 0.000130195 Jy ! Clean residual min=-0.002025 max=0.002426 Jy/beam ! Clean residual mean=0.000005 rms=0.000640 Jy/beam ! Combined flux in latest and established models = 0.780901 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 115 components and 0.780901 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055624Jy sigma=0.809678 ! Fit after self-cal, rms=0.055625Jy sigma=0.809673 ! 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=3.395 mas, bmaj=9.124 mas, bpa=-10.97 degrees ! Estimated noise=0.578247 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.395 x 9.124 at -10.97 degrees (North through East) ! Clean map min=-0.0017366 max=0.78242 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. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055625Jy sigma=0.809673 ! Fit after self-cal, rms=0.051664Jy sigma=0.739784 ! Inverting map and beam ! Estimated beam: bmin=3.393 mas, bmaj=9.12 mas, bpa=-10.99 degrees ! Estimated noise=0.578393 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00117186 Jy ! Component: 100 - total flux cleaned = 0.00176317 Jy ! Component: 150 - total flux cleaned = 0.00194261 Jy ! Component: 200 - total flux cleaned = 0.00202547 Jy ! Total flux subtracted in 200 components = 0.00202547 Jy ! Clean residual min=-0.001777 max=0.002113 Jy/beam ! Clean residual mean=0.000002 rms=0.000492 Jy/beam ! Combined flux in latest and established models = 0.782927 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 126 components and 0.782927 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051623Jy sigma=0.739043 ! Fit after self-cal, rms=0.051622Jy sigma=0.739026 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000293507 Jy ! Component: 100 - total flux cleaned = 0.000393232 Jy ! Component: 150 - total flux cleaned = 0.000486166 Jy ! Component: 200 - total flux cleaned = 0.00057246 Jy ! Total flux subtracted in 200 components = 0.00057246 Jy ! Clean residual min=-0.001782 max=0.002093 Jy/beam ! Clean residual mean=0.000002 rms=0.000487 Jy/beam ! Combined flux in latest and established models = 0.783499 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 132 components and 0.783499 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051602Jy sigma=0.738706 ! Fit after self-cal, rms=0.051602Jy sigma=0.738701 ! Inverting map ! Added new window around map position (-68, 7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00191207 Jy ! Component: 100 - total flux cleaned = 0.0023502 Jy ! Component: 150 - total flux cleaned = 0.00250446 Jy ! Component: 200 - total flux cleaned = 0.00267116 Jy ! Total flux subtracted in 200 components = 0.00267116 Jy ! Clean residual min=-0.001652 max=0.001970 Jy/beam ! Clean residual mean=0.000002 rms=0.000459 Jy/beam ! Combined flux in latest and established models = 0.786171 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 155 components and 0.786171 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051511Jy sigma=0.737389 ! Fit after self-cal, rms=0.051509Jy sigma=0.737313 ! Inverting map ! Added new window around map position (127.5, 46). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00161255 Jy ! Component: 100 - total flux cleaned = 0.00218408 Jy ! Component: 150 - total flux cleaned = 0.00223975 Jy ! Component: 200 - total flux cleaned = 0.00231733 Jy ! Total flux subtracted in 200 components = 0.00231733 Jy ! Clean residual min=-0.001557 max=0.001681 Jy/beam ! Clean residual mean=0.000001 rms=0.000438 Jy/beam ! Combined flux in latest and established models = 0.788488 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 172 components and 0.788488 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051448Jy sigma=0.736304 ! Fit after self-cal, rms=0.051444Jy sigma=0.736250 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051444Jy sigma=0.736250 ! Fit after self-cal, rms=0.051446Jy sigma=0.735884 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=2.766 mas, bmaj=8.437 mas, bpa=-12.32 degrees ! Estimated noise=0.788366 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.61062 Jy ! Component: 100 - total flux cleaned = 0.743775 Jy ! Component: 150 - total flux cleaned = 0.772905 Jy ! Component: 200 - total flux cleaned = 0.780098 Jy ! Total flux subtracted in 200 components = 0.780098 Jy ! Clean residual min=-0.003016 max=0.002898 Jy/beam ! Clean residual mean=0.000002 rms=0.000729 Jy/beam ! Combined flux in latest and established models = 0.780098 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 7 model components to the UV plane model. ! The established model now contains 7 components and 0.780098 Jy ! Inverting map and beam ! Estimated beam: bmin=3.393 mas, bmaj=9.118 mas, bpa=-10.99 degrees ! Estimated noise=0.57853 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 = 0.00281467 Jy ! Component: 100 - total flux cleaned = 0.0045277 Jy ! Component: 150 - total flux cleaned = 0.00585117 Jy ! Component: 200 - total flux cleaned = 0.00681522 Jy ! Total flux subtracted in 200 components = 0.00681522 Jy ! Clean residual min=-0.002020 max=0.002052 Jy/beam ! Clean residual mean=0.000002 rms=0.000488 Jy/beam ! Combined flux in latest and established models = 0.786913 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 27 components and 0.786913 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=7.636 mas, bmaj=11.18 mas, bpa=-5.972 degrees ! Estimated noise=0.687975 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00123591 Jy ! Component: 100 - total flux cleaned = 0.00153412 Jy ! Component: 150 - total flux cleaned = 0.00182296 Jy ! Component: 200 - total flux cleaned = 0.00219155 Jy ! Total flux subtracted in 200 components = 0.00219155 Jy ! Clean residual min=-0.001775 max=0.002131 Jy/beam ! Clean residual mean=0.000002 rms=0.000511 Jy/beam ! Combined flux in latest and established models = 0.789104 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 = 0.000230133 Jy ! Component: 100 - total flux cleaned = 0.000439384 Jy ! Component: 150 - total flux cleaned = 0.000601508 Jy ! Component: 200 - total flux cleaned = 0.00077348 Jy ! Total flux subtracted in 200 components = 0.00077348 Jy ! Clean residual min=-0.001713 max=0.001914 Jy/beam ! Clean residual mean=0.000002 rms=0.000489 Jy/beam ! Combined flux in latest and established models = 0.789878 Jy ! Adding 68 model components to the UV plane model. ! The established model now contains 94 components and 0.789878 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.393 mas, bmaj=9.118 mas, bpa=-10.99 degrees ! Estimated noise=0.57853 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000186071 Jy ! Component: 100 - total flux cleaned = 0.000142882 Jy ! Component: 150 - total flux cleaned = 0.000101039 Jy ! Component: 200 - total flux cleaned = 0.000172472 Jy ! Total flux subtracted in 200 components = 0.000172472 Jy ! Clean residual min=-0.001850 max=0.001654 Jy/beam ! Clean residual mean=0.000000 rms=0.000438 Jy/beam ! Combined flux in latest and established models = 0.79005 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 115 components and 0.79005 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051528Jy sigma=0.736919 ! Fit after self-cal, rms=0.051518Jy sigma=0.736820 wmodel J2218+1520_S_map.mod ! Writing 115 model components to file: J2218+1520_S_map.mod wobs J2218+1520_S_uvs.fits ! Writing UV FITS file: J2218+1520_S_uvs.fits wwins J2218+1520_S_map.win ! wwins: Wrote 4 windows to J2218+1520_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 = -0.000491359 Jy ! Component: 100 - total flux cleaned = -0.000521925 Jy ! Component: 150 - total flux cleaned = -0.000549371 Jy ! Component: 200 - total flux cleaned = -0.000708733 Jy ! Component: 250 - total flux cleaned = -0.000914403 Jy ! Component: 300 - total flux cleaned = -0.0010142 Jy ! Component: 350 - total flux cleaned = -0.00101425 Jy ! Component: 400 - total flux cleaned = -0.00106236 Jy ! Component: 450 - total flux cleaned = -0.00103837 Jy ! Component: 500 - total flux cleaned = -0.00106073 Jy ! Component: 550 - total flux cleaned = -0.00103801 Jy ! Component: 600 - total flux cleaned = -0.00099389 Jy ! Component: 650 - total flux cleaned = -0.000928721 Jy ! Component: 700 - total flux cleaned = -0.000907223 Jy ! Component: 750 - total flux cleaned = -0.000907061 Jy ! Component: 800 - total flux cleaned = -0.000927823 Jy ! Component: 850 - total flux cleaned = -0.000967968 Jy ! Component: 900 - total flux cleaned = -0.00096782 Jy ! Component: 950 - total flux cleaned = -0.00106685 Jy ! Component: 1000 - total flux cleaned = -0.001008 Jy ! Component: 1050 - total flux cleaned = -0.000988785 Jy ! Component: 1100 - total flux cleaned = -0.000932321 Jy ! Component: 1150 - total flux cleaned = -0.000932333 Jy ! Component: 1200 - total flux cleaned = -0.000913668 Jy ! Component: 1250 - total flux cleaned = -0.000913794 Jy ! Component: 1300 - total flux cleaned = -0.000805738 Jy ! Component: 1350 - total flux cleaned = -0.000859248 Jy ! Component: 1400 - total flux cleaned = -0.000858896 Jy ! Component: 1450 - total flux cleaned = -0.000858909 Jy ! Component: 1500 - total flux cleaned = -0.000807005 Jy ! Component: 1550 - total flux cleaned = -0.000790111 Jy ! Component: 1600 - total flux cleaned = -0.000806948 Jy ! Component: 1650 - total flux cleaned = -0.000757148 Jy ! Component: 1700 - total flux cleaned = -0.000757189 Jy ! Component: 1750 - total flux cleaned = -0.000724092 Jy ! Component: 1800 - total flux cleaned = -0.000675558 Jy ! Component: 1850 - total flux cleaned = -0.000691441 Jy ! Component: 1900 - total flux cleaned = -0.00062801 Jy ! Component: 1950 - total flux cleaned = -0.00058099 Jy ! Component: 2000 - total flux cleaned = -0.000596477 Jy ! Component: 2050 - total flux cleaned = -0.000519523 Jy ! Component: 2100 - total flux cleaned = -0.000473688 Jy ! Component: 2150 - total flux cleaned = -0.000413391 Jy ! Component: 2200 - total flux cleaned = -0.0004434 Jy ! Component: 2250 - total flux cleaned = -0.00044331 Jy ! Component: 2300 - total flux cleaned = -0.000399225 Jy ! Component: 2350 - total flux cleaned = -0.000457414 Jy ! Component: 2400 - total flux cleaned = -0.000385283 Jy ! Component: 2450 - total flux cleaned = -0.000428282 Jy ! Component: 2500 - total flux cleaned = -0.000456545 Jy ! Component: 2550 - total flux cleaned = -0.000498579 Jy ! Component: 2600 - total flux cleaned = -0.000442857 Jy ! Component: 2650 - total flux cleaned = -0.000498233 Jy ! Component: 2700 - total flux cleaned = -0.000525712 Jy ! Component: 2750 - total flux cleaned = -0.000552988 Jy ! Component: 2800 - total flux cleaned = -0.000566494 Jy ! Component: 2850 - total flux cleaned = -0.000593294 Jy ! Component: 2900 - total flux cleaned = -0.000646144 Jy ! Component: 2950 - total flux cleaned = -0.000619669 Jy ! Component: 3000 - total flux cleaned = -0.000606801 Jy ! Component: 3050 - total flux cleaned = -0.000632759 Jy ! Component: 3100 - total flux cleaned = -0.000683984 Jy ! Component: 3150 - total flux cleaned = -0.000632931 Jy ! Component: 3200 - total flux cleaned = -0.000683594 Jy ! Component: 3250 - total flux cleaned = -0.00069615 Jy ! Component: 3300 - total flux cleaned = -0.000720992 Jy ! Component: 3350 - total flux cleaned = -0.000733379 Jy ! Component: 3400 - total flux cleaned = -0.000733249 Jy ! Component: 3450 - total flux cleaned = -0.000769945 Jy ! Component: 3500 - total flux cleaned = -0.000781953 Jy ! Component: 3550 - total flux cleaned = -0.000817958 Jy ! Component: 3600 - total flux cleaned = -0.000805979 Jy ! Component: 3650 - total flux cleaned = -0.000865188 Jy ! Component: 3700 - total flux cleaned = -0.000818076 Jy ! Component: 3750 - total flux cleaned = -0.000853128 Jy ! Component: 3800 - total flux cleaned = -0.000853084 Jy ! Component: 3850 - total flux cleaned = -0.000864726 Jy ! Component: 3900 - total flux cleaned = -0.000887628 Jy ! Component: 3950 - total flux cleaned = -0.000910388 Jy ! Component: 4000 - total flux cleaned = -0.000921827 Jy ! Component: 4050 - total flux cleaned = -0.00093301 Jy ! Total flux subtracted in 4096 components = -0.000944299 Jy ! Clean residual min=-0.000687 max=0.000561 Jy/beam ! Clean residual mean=0.000001 rms=0.000215 Jy/beam ! Combined flux in latest and established models = 0.789106 Jy keep ! Adding 317 model components to the UV plane model. ! The established model now contains 432 components and 0.789106 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J2218+1520_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.393 x 9.118 at -10.99 degrees (North through East) ! Clean map min=-0.0013796 max=0.78144 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J2218+1520_S_map.fits wmodel /vlbi/bp222/maps//J2218+1520_S_map.mod ! Writing 432 model components to file: /vlbi/bp222/maps//J2218+1520_S_map.mod wobs /vlbi/bp222/maps//J2218+1520_S_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J2218+1520_S_uvs.fits wwins /vlbi/bp222/maps//J2218+1520_S_map.win ! wwins: Wrote 5 windows to /vlbi/bp222/maps//J2218+1520_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.781444 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000213969 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0821437 0.0821437 0.164287 0.328575 0.65715 1.3143 2.6286 5.2572 10.5144 21.0288 42.0576 84.1152 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.781 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 3652.14 quit ! Quitting program ! Log file /vlbi/bp222/maps//J2218+1520_S_dfm.log closed on Thu Sep 27 11:41:13 2018