! Started logfile: /vlbi/bp222/maps//J0923+2815_S_dfm.log on Thu Sep 27 10:58:47 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//J0923+2815_S_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J0923+2815_S_uva.fits ! AN table 1: 69 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.978261 visibilities/baseline/integration-bin. ! Found source: J0923+2815 ! ! 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 49 lines of history. ! ! Reading 9720 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 J0923+2815_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 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 347 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.290103Jy sigma=22.704493 ! Fit after self-cal, rms=0.260484Jy sigma=4.463067 ! 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=2.408 mas, bmaj=7.154 mas, bpa=-6.973 degrees ! Estimated noise=0.680746 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 = 0.598937 Jy ! Component: 100 - total flux cleaned = 0.748151 Jy ! Total flux subtracted in 100 components = 0.748151 Jy ! Clean residual min=-0.030585 max=0.063164 Jy/beam ! Clean residual mean=0.000154 rms=0.008618 Jy/beam ! Combined flux in latest and established models = 0.748151 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.748151 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174339Jy sigma=2.816515 ! Fit after self-cal, rms=0.174236Jy sigma=2.815072 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0682709 Jy ! Component: 100 - total flux cleaned = 0.103304 Jy ! Total flux subtracted in 100 components = 0.103304 Jy ! Clean residual min=-0.025021 max=0.030277 Jy/beam ! Clean residual mean=0.000092 rms=0.006678 Jy/beam ! Combined flux in latest and established models = 0.851455 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 12 components and 0.851455 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.138545Jy sigma=2.157518 ! Fit after self-cal, rms=0.138402Jy sigma=2.155288 ! 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=2.85 mas, bmaj=7.872 mas, bpa=-7.065 degrees ! Estimated noise=0.47853 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 = 0.029928 Jy ! Component: 100 - total flux cleaned = 0.0481689 Jy ! Component: 150 - total flux cleaned = 0.0600675 Jy ! Component: 200 - total flux cleaned = 0.0680395 Jy ! Total flux subtracted in 200 components = 0.0680395 Jy ! Clean residual min=-0.024539 max=0.026609 Jy/beam ! Clean residual mean=0.000125 rms=0.006386 Jy/beam ! Combined flux in latest and established models = 0.919495 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 40 components and 0.919495 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.130919Jy sigma=2.023831 ! Fit after self-cal, rms=0.130840Jy sigma=2.022475 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.85 x 7.872 at -7.065 degrees (North through East) ! Clean map min=-0.024029 max=0.79342 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.04 HN 0.98 KP 0.95 ! LA 0.92 MK 1.00 NL 1.06 PT 0.99 ! SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.20 FD 1.03 HN 0.98 KP 0.97 ! LA 0.93 MK 1.02 NL 1.05 PT 1.00 ! SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.03 HN 0.98 KP 0.97 ! LA 0.92 MK 1.02 NL 1.20 PT 1.00 ! SC 0.96 ! ! ! 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 1.00 HN 0.97 KP 1.00* ! LA 0.86 MK 1.00* NL 1.00* PT 1.01 ! SC 1.00* ! ! ! Fit before self-cal, rms=0.130840Jy sigma=2.022475 ! Fit after self-cal, rms=0.128423Jy sigma=1.608618 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.851 mas, bmaj=7.936 mas, bpa=-6.928 degrees ! Estimated noise=0.481449 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 = 0.000430272 Jy ! Component: 100 - total flux cleaned = -2.4394e-05 Jy ! Component: 150 - total flux cleaned = -0.000719038 Jy ! Component: 200 - total flux cleaned = -0.00127064 Jy ! Total flux subtracted in 200 components = -0.00127064 Jy ! Clean residual min=-0.016781 max=0.021212 Jy/beam ! Clean residual mean=0.000020 rms=0.004413 Jy/beam ! Combined flux in latest and established models = 0.918224 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 48 components and 0.918224 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.127436Jy sigma=1.599791 ! Fit after self-cal, rms=0.127429Jy sigma=1.599258 ! 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=0.127429Jy sigma=1.599258 ! Fit after self-cal, rms=0.131033Jy sigma=1.476434 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.844 mas, bmaj=7.968 mas, bpa=-6.933 degrees ! Estimated noise=0.485355 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00408397 Jy ! Component: 100 - total flux cleaned = 0.00314729 Jy ! Component: 150 - total flux cleaned = 0.00236043 Jy ! Component: 200 - total flux cleaned = 0.00155148 Jy ! Total flux subtracted in 200 components = 0.00155148 Jy ! Clean residual min=-0.015118 max=0.018723 Jy/beam ! Clean residual mean=0.000014 rms=0.003923 Jy/beam ! Combined flux in latest and established models = 0.919776 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 48 components and 0.919776 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.129706Jy sigma=1.466089 ! Fit after self-cal, rms=0.129707Jy sigma=1.465936 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 (101, -112). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00165261 Jy ! Component: 100 - total flux cleaned = -0.00253469 Jy ! Component: 150 - total flux cleaned = -0.0048704 Jy ! Component: 200 - total flux cleaned = -0.00619754 Jy ! Total flux subtracted in 200 components = -0.00619754 Jy ! Clean residual min=-0.013748 max=0.017509 Jy/beam ! Clean residual mean=0.000018 rms=0.003637 Jy/beam ! Combined flux in latest and established models = 0.913578 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 64 components and 0.913578 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.123713Jy sigma=1.412121 ! Fit after self-cal, rms=0.123417Jy sigma=1.405299 ! Inverting map ! Added new window around map position (48.5, 26). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00338689 Jy ! Component: 100 - total flux cleaned = 0.000137729 Jy ! Component: 150 - total flux cleaned = -0.00159533 Jy ! Component: 200 - total flux cleaned = -0.00284427 Jy ! Total flux subtracted in 200 components = -0.00284427 Jy ! Clean residual min=-0.012733 max=0.015506 Jy/beam ! Clean residual mean=0.000021 rms=0.003381 Jy/beam ! Combined flux in latest and established models = 0.910734 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 93 components and 0.910734 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.119015Jy sigma=1.367130 ! Fit after self-cal, rms=0.118874Jy sigma=1.364098 ! 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=0.118874Jy sigma=1.364098 ! Fit after self-cal, rms=0.062392Jy sigma=0.887660 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.845 mas, bmaj=7.971 mas, bpa=-7.012 degrees ! Estimated noise=0.486914 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000535361 Jy ! Component: 100 - total flux cleaned = 0.000997588 Jy ! Component: 150 - total flux cleaned = 0.0023646 Jy ! Component: 200 - total flux cleaned = 0.00307388 Jy ! Total flux subtracted in 200 components = 0.00307388 Jy ! Clean residual min=-0.004164 max=0.005647 Jy/beam ! Clean residual mean=0.000015 rms=0.001119 Jy/beam ! Combined flux in latest and established models = 0.913808 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 108 components and 0.913808 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.060896Jy sigma=0.864648 ! Fit after self-cal, rms=0.060808Jy sigma=0.863086 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 (-58.5, 45). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00477501 Jy ! Component: 100 - total flux cleaned = 0.00649438 Jy ! Component: 150 - total flux cleaned = 0.00748156 Jy ! Component: 200 - total flux cleaned = 0.00858556 Jy ! Total flux subtracted in 200 components = 0.00858556 Jy ! Clean residual min=-0.003718 max=0.004413 Jy/beam ! Clean residual mean=0.000007 rms=0.000908 Jy/beam ! Combined flux in latest and established models = 0.922393 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 129 components and 0.922393 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.060080Jy sigma=0.850008 ! Fit after self-cal, rms=0.060043Jy sigma=0.849539 ! Inverting map ! Added new window around map position (11, 30.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00290703 Jy ! Component: 100 - total flux cleaned = 0.00377414 Jy ! Component: 150 - total flux cleaned = 0.00466499 Jy ! Component: 200 - total flux cleaned = 0.00548675 Jy ! Total flux subtracted in 200 components = 0.00548675 Jy ! Clean residual min=-0.003365 max=0.003402 Jy/beam ! Clean residual mean=0.000006 rms=0.000826 Jy/beam ! Combined flux in latest and established models = 0.92788 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 148 components and 0.92788 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059639Jy sigma=0.842334 ! Fit after self-cal, rms=0.059628Jy sigma=0.842164 ! Inverting map ! Added new window around map position (-59.5, 25). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00194565 Jy ! Component: 100 - total flux cleaned = 0.00221591 Jy ! Component: 150 - total flux cleaned = 0.00262992 Jy ! Component: 200 - total flux cleaned = 0.00317828 Jy ! Total flux subtracted in 200 components = 0.00317828 Jy ! Clean residual min=-0.003072 max=0.003057 Jy/beam ! Clean residual mean=0.000005 rms=0.000750 Jy/beam ! Combined flux in latest and established models = 0.931058 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 166 components and 0.931059 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059329Jy sigma=0.837217 ! Fit after self-cal, rms=0.059311Jy sigma=0.836963 ! 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=0.059311Jy sigma=0.836963 ! Fit after self-cal, rms=0.059101Jy sigma=0.832658 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.038 mas, bmaj=10.6 mas, bpa=-16.25 degrees ! Estimated noise=0.643917 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00116704 Jy ! Component: 100 - total flux cleaned = -0.000489807 Jy ! Component: 150 - total flux cleaned = 0.000485041 Jy ! Component: 200 - total flux cleaned = 0.000852468 Jy ! Total flux subtracted in 200 components = 0.000852468 Jy ! Clean residual min=-0.002995 max=0.002644 Jy/beam ! Clean residual mean=0.000011 rms=0.000800 Jy/beam ! Combined flux in latest and established models = 0.931911 Jy selfcal ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 192 components and 0.931911 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058834Jy sigma=0.828803 ! Fit after self-cal, rms=0.058814Jy sigma=0.828363 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 = -0.000694453 Jy ! Component: 100 - total flux cleaned = -0.000828248 Jy ! Component: 150 - total flux cleaned = -0.000951267 Jy ! Component: 200 - total flux cleaned = -0.000833911 Jy ! Total flux subtracted in 200 components = -0.000833911 Jy ! Clean residual min=-0.002570 max=0.002449 Jy/beam ! Clean residual mean=0.000010 rms=0.000728 Jy/beam ! Combined flux in latest and established models = 0.931077 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 210 components and 0.931077 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058692Jy sigma=0.826727 ! Fit after self-cal, rms=0.058688Jy sigma=0.826607 ! 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=2.844 mas, bmaj=7.973 mas, bpa=-7.004 degrees ! Estimated noise=0.486263 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.844 x 7.973 at -7.004 degrees (North through East) ! Clean map min=-0.0047316 max=0.80403 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=0.058688Jy sigma=0.826607 ! Fit after self-cal, rms=0.052372Jy sigma=0.732071 ! Inverting map and beam ! Estimated beam: bmin=2.843 mas, bmaj=7.972 mas, bpa=-6.991 degrees ! Estimated noise=0.485638 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0012682 Jy ! Component: 100 - total flux cleaned = -0.00126736 Jy ! Component: 150 - total flux cleaned = -0.00112801 Jy ! Component: 200 - total flux cleaned = -0.00118889 Jy ! Total flux subtracted in 200 components = -0.00118889 Jy ! Clean residual min=-0.002238 max=0.002762 Jy/beam ! Clean residual mean=0.000004 rms=0.000542 Jy/beam ! Combined flux in latest and established models = 0.929889 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 223 components and 0.929889 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052148Jy sigma=0.728778 ! Fit after self-cal, rms=0.052143Jy sigma=0.728637 ! Inverting map ! Added new window around map position (-29.5, 12.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00161901 Jy ! Component: 100 - total flux cleaned = 0.00174022 Jy ! Component: 150 - total flux cleaned = 0.00179614 Jy ! Component: 200 - total flux cleaned = 0.00174422 Jy ! Total flux subtracted in 200 components = 0.00174422 Jy ! Clean residual min=-0.002241 max=0.002105 Jy/beam ! Clean residual mean=0.000002 rms=0.000500 Jy/beam ! Combined flux in latest and established models = 0.931633 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 237 components and 0.931633 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051976Jy sigma=0.725596 ! Fit after self-cal, rms=0.051972Jy sigma=0.725515 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051972Jy sigma=0.725515 ! Fit after self-cal, rms=0.051988Jy sigma=0.724953 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=2.395 mas, bmaj=7.26 mas, bpa=-6.954 degrees ! Estimated noise=0.69205 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.608518 Jy ! Component: 100 - total flux cleaned = 0.763095 Jy ! Component: 150 - total flux cleaned = 0.835039 Jy ! Component: 200 - total flux cleaned = 0.872244 Jy ! Total flux subtracted in 200 components = 0.872244 Jy ! Clean residual min=-0.009871 max=0.017300 Jy/beam ! Clean residual mean=0.000035 rms=0.002001 Jy/beam ! Combined flux in latest and established models = 0.872244 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.872244 Jy ! Inverting map and beam ! Estimated beam: bmin=2.842 mas, bmaj=7.974 mas, bpa=-6.989 degrees ! Estimated noise=0.485409 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 = 0.0219633 Jy ! Component: 100 - total flux cleaned = 0.032005 Jy ! Component: 150 - total flux cleaned = 0.0383639 Jy ! Component: 200 - total flux cleaned = 0.042698 Jy ! Total flux subtracted in 200 components = 0.042698 Jy ! Clean residual min=-0.004120 max=0.004389 Jy/beam ! Clean residual mean=0.000021 rms=0.000976 Jy/beam ! Combined flux in latest and established models = 0.914942 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 39 components and 0.914942 Jy ! Inverting map ! Added new window around map position (-18, -0.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00383593 Jy ! Component: 100 - total flux cleaned = 0.00615309 Jy ! Component: 150 - total flux cleaned = 0.00808955 Jy ! Component: 200 - total flux cleaned = 0.00973367 Jy ! Total flux subtracted in 200 components = 0.00973367 Jy ! Clean residual min=-0.003245 max=0.003280 Jy/beam ! Clean residual mean=0.000012 rms=0.000743 Jy/beam ! Combined flux in latest and established models = 0.924676 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 59 components and 0.924676 Jy ! Inverting map ! Added new window around map position (4.5, -26.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00302501 Jy ! Component: 100 - total flux cleaned = 0.00379254 Jy ! Component: 150 - total flux cleaned = 0.00469525 Jy ! Component: 200 - total flux cleaned = 0.00544111 Jy ! Total flux subtracted in 200 components = 0.00544111 Jy ! Clean residual min=-0.002794 max=0.002525 Jy/beam ! Clean residual mean=0.000006 rms=0.000621 Jy/beam ! Combined flux in latest and established models = 0.930117 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 85 components and 0.930117 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=7.037 mas, bmaj=10.59 mas, bpa=-16.2 degrees ! Estimated noise=0.643101 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000908814 Jy ! Component: 100 - total flux cleaned = 0.00128873 Jy ! Component: 150 - total flux cleaned = 0.00181224 Jy ! Component: 200 - total flux cleaned = 0.00221493 Jy ! Total flux subtracted in 200 components = 0.00221493 Jy ! Clean residual min=-0.001822 max=0.002097 Jy/beam ! Clean residual mean=0.000008 rms=0.000577 Jy/beam ! Combined flux in latest and established models = 0.932332 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 = 0.000158136 Jy ! Component: 100 - total flux cleaned = 0.000354048 Jy ! Component: 150 - total flux cleaned = 0.000444207 Jy ! Component: 200 - total flux cleaned = 0.000661196 Jy ! Total flux subtracted in 200 components = 0.000661196 Jy ! Clean residual min=-0.001699 max=0.001887 Jy/beam ! Clean residual mean=0.000007 rms=0.000513 Jy/beam ! Combined flux in latest and established models = 0.932993 Jy ! Adding 57 model components to the UV plane model. ! The established model now contains 138 components and 0.932993 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.842 mas, bmaj=7.974 mas, bpa=-6.989 degrees ! Estimated noise=0.485409 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000199393 Jy ! Component: 100 - total flux cleaned = 0.00043461 Jy ! Component: 150 - total flux cleaned = 0.000582784 Jy ! Component: 200 - total flux cleaned = 0.00065253 Jy ! Total flux subtracted in 200 components = 0.00065253 Jy ! Clean residual min=-0.002259 max=0.002306 Jy/beam ! Clean residual mean=0.000003 rms=0.000509 Jy/beam ! Combined flux in latest and established models = 0.933646 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 156 components and 0.933646 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052171Jy sigma=0.729517 ! Fit after self-cal, rms=0.052053Jy sigma=0.726521 wmodel J0923+2815_S_map.mod ! Writing 156 model components to file: J0923+2815_S_map.mod wobs J0923+2815_S_uvs.fits ! Writing UV FITS file: J0923+2815_S_uvs.fits wwins J0923+2815_S_map.win ! wwins: Wrote 9 windows to J0923+2815_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 = -0.000201381 Jy ! Component: 100 - total flux cleaned = -0.000313427 Jy ! Component: 150 - total flux cleaned = -0.00013971 Jy ! Component: 200 - total flux cleaned = 0.000127844 Jy ! Component: 250 - total flux cleaned = 0.000322141 Jy ! Component: 300 - total flux cleaned = 0.000542269 Jy ! Component: 350 - total flux cleaned = 0.000664171 Jy ! Component: 400 - total flux cleaned = 0.000752748 Jy ! Component: 450 - total flux cleaned = 0.000839086 Jy ! Component: 500 - total flux cleaned = 0.000980768 Jy ! Component: 550 - total flux cleaned = 0.000980104 Jy ! Component: 600 - total flux cleaned = 0.00106198 Jy ! Component: 650 - total flux cleaned = 0.00114276 Jy ! Component: 700 - total flux cleaned = 0.00130034 Jy ! Component: 750 - total flux cleaned = 0.0014027 Jy ! Component: 800 - total flux cleaned = 0.00147874 Jy ! Component: 850 - total flux cleaned = 0.00150361 Jy ! Component: 900 - total flux cleaned = 0.00152856 Jy ! Component: 950 - total flux cleaned = 0.00162472 Jy ! Component: 1000 - total flux cleaned = 0.00171922 Jy ! Component: 1050 - total flux cleaned = 0.0018354 Jy ! Component: 1100 - total flux cleaned = 0.0018584 Jy ! Component: 1150 - total flux cleaned = 0.00201608 Jy ! Component: 1200 - total flux cleaned = 0.00208269 Jy ! Component: 1250 - total flux cleaned = 0.00219267 Jy ! Component: 1300 - total flux cleaned = 0.00230034 Jy ! Component: 1350 - total flux cleaned = 0.00234283 Jy ! Component: 1400 - total flux cleaned = 0.00246871 Jy ! Component: 1450 - total flux cleaned = 0.00257206 Jy ! Component: 1500 - total flux cleaned = 0.0025921 Jy ! Component: 1550 - total flux cleaned = 0.00269276 Jy ! Component: 1600 - total flux cleaned = 0.00275193 Jy ! Component: 1650 - total flux cleaned = 0.00271247 Jy ! Component: 1700 - total flux cleaned = 0.00269323 Jy ! Component: 1750 - total flux cleaned = 0.00278934 Jy ! Component: 1800 - total flux cleaned = 0.00278938 Jy ! Component: 1850 - total flux cleaned = 0.00282668 Jy ! Component: 1900 - total flux cleaned = 0.00271582 Jy ! Component: 1950 - total flux cleaned = 0.00284385 Jy ! Component: 2000 - total flux cleaned = 0.00286159 Jy ! Component: 2050 - total flux cleaned = 0.00286153 Jy ! Component: 2100 - total flux cleaned = 0.00289683 Jy ! Component: 2150 - total flux cleaned = 0.00298434 Jy ! Component: 2200 - total flux cleaned = 0.00300145 Jy ! Component: 2250 - total flux cleaned = 0.00298436 Jy ! Component: 2300 - total flux cleaned = 0.00303544 Jy ! Component: 2350 - total flux cleaned = 0.00308623 Jy ! Component: 2400 - total flux cleaned = 0.0031194 Jy ! Component: 2450 - total flux cleaned = 0.00318523 Jy ! Component: 2500 - total flux cleaned = 0.00316885 Jy ! Component: 2550 - total flux cleaned = 0.00320122 Jy ! Component: 2600 - total flux cleaned = 0.00326567 Jy ! Component: 2650 - total flux cleaned = 0.00331317 Jy ! Component: 2700 - total flux cleaned = 0.00337631 Jy ! Component: 2750 - total flux cleaned = 0.00339223 Jy ! Component: 2800 - total flux cleaned = 0.00350068 Jy ! Component: 2850 - total flux cleaned = 0.00350064 Jy ! Component: 2900 - total flux cleaned = 0.00362252 Jy ! Component: 2950 - total flux cleaned = 0.00371312 Jy ! Component: 3000 - total flux cleaned = 0.00377281 Jy ! Component: 3050 - total flux cleaned = 0.00381711 Jy ! Component: 3100 - total flux cleaned = 0.00386148 Jy ! Component: 3150 - total flux cleaned = 0.00396385 Jy ! Component: 3200 - total flux cleaned = 0.00403621 Jy ! Component: 3250 - total flux cleaned = 0.004065 Jy ! Component: 3300 - total flux cleaned = 0.00412192 Jy ! Component: 3350 - total flux cleaned = 0.00413602 Jy ! Component: 3400 - total flux cleaned = 0.00417827 Jy ! Component: 3450 - total flux cleaned = 0.00422005 Jy ! Component: 3500 - total flux cleaned = 0.00428901 Jy ! Component: 3550 - total flux cleaned = 0.00427533 Jy ! Component: 3600 - total flux cleaned = 0.00434333 Jy ! Component: 3650 - total flux cleaned = 0.00437048 Jy ! Component: 3700 - total flux cleaned = 0.00443761 Jy ! Component: 3750 - total flux cleaned = 0.00447735 Jy ! Component: 3800 - total flux cleaned = 0.00451684 Jy ! Component: 3850 - total flux cleaned = 0.00450392 Jy ! Component: 3900 - total flux cleaned = 0.00451695 Jy ! Component: 3950 - total flux cleaned = 0.00446558 Jy ! Component: 4000 - total flux cleaned = 0.00459398 Jy ! Component: 4050 - total flux cleaned = 0.00459395 Jy ! Total flux subtracted in 4096 components = 0.00463175 Jy ! Clean residual min=-0.000816 max=0.000771 Jy/beam ! Clean residual mean=0.000000 rms=0.000224 Jy/beam ! Combined flux in latest and established models = 0.938277 Jy keep ! Adding 276 model components to the UV plane model. ! The established model now contains 427 components and 0.938277 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J0923+2815_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.842 x 7.974 at -6.989 degrees (North through East) ! Clean map min=-0.0025044 max=0.80637 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J0923+2815_S_map.fits wmodel /vlbi/bp222/maps//J0923+2815_S_map.mod ! Writing 427 model components to file: /vlbi/bp222/maps//J0923+2815_S_map.mod wobs /vlbi/bp222/maps//J0923+2815_S_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J0923+2815_S_uvs.fits wwins /vlbi/bp222/maps//J0923+2815_S_map.win ! wwins: Wrote 10 windows to /vlbi/bp222/maps//J0923+2815_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.806374 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000221655 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0824637 0.0824637 0.164927 0.329855 0.659709 1.31942 2.63884 5.27767 10.5553 21.1107 42.2214 84.4428 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.806 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 3637.97 quit ! Quitting program ! Log file /vlbi/bp222/maps//J0923+2815_S_dfm.log closed on Thu Sep 27 10:58:52 2018