! Started logfile: J1924-2914_X_2009_04_21_pus_uvs.log on Sun Jan 23 18:59:52 2011 obs J1924-2914_X_2009_04_21_pus_uva.fits ! Reading UV FITS file: J1924-2914_X_2009_04_21_pus_uva.fits ! AN table 1: 12 integrations on 120 of 120 possible baselines. ! AN table 2: 60 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.163079 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1924-2914 ! ! 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 3301 lines of history. ! ! Reading 5636 visibilities. select I ! Polarization I is unavailable. ! 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 = 512 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J1924-2914_X_2009_04_21_pus] 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 mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.200x0.200 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 100 telescope corrections were flagged in sub-array 1. ! A total of 651 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 100 telescope corrections were flagged in sub-array 1. ! A total of 651 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 100 telescope corrections were flagged in sub-array 1. ! A total of 651 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 100 telescope corrections were flagged in sub-array 1. ! A total of 651 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=13.764343Jy sigma=0.101451 ! Fit after self-cal, rms=13.434160Jy sigma=0.099220 ! 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 ! Your choice of large map pixels excluded 1.17% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.6514 mas, bmaj=1.818 mas, bpa=0.2812 degrees ! Estimated noise=1877.42 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 = 10.1967 Jy ! Component: 100 - total flux cleaned = 12.7838 Jy ! Total flux subtracted in 100 components = 12.7838 Jy ! Clean residual min=-0.722707 max=1.148213 Jy/beam ! Clean residual mean=-0.001259 rms=0.150404 Jy/beam ! Combined flux in latest and established models = 12.7838 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 12.7838 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=3.450563Jy sigma=0.024764 ! Fit after self-cal, rms=3.448362Jy sigma=0.024752 ! Inverting map ! Your choice of large map pixels excluded 1.17% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.32589 Jy ! Component: 100 - total flux cleaned = 2.12768 Jy ! Total flux subtracted in 100 components = 2.12768 Jy ! Clean residual min=-0.617222 max=0.616173 Jy/beam ! Clean residual mean=-0.000464 rms=0.108205 Jy/beam ! Combined flux in latest and established models = 14.9114 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 22 components and 14.9114 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.467755Jy sigma=0.017336 ! Fit after self-cal, rms=2.467008Jy sigma=0.017333 ! Inverting map ! Your choice of large map pixels excluded 1.17% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec 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 ! Your choice of large map pixels excluded 1.17% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.7792 mas, bmaj=2.157 mas, bpa=-0.4971 degrees ! Estimated noise=1319.14 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 = 0.905656 Jy ! Component: 100 - total flux cleaned = 1.34841 Jy ! Component: 150 - total flux cleaned = 1.57278 Jy ! Component: 200 - total flux cleaned = 1.69554 Jy ! Total flux subtracted in 200 components = 1.69554 Jy ! Clean residual min=-0.542591 max=0.548290 Jy/beam ! Clean residual mean=0.000034 rms=0.132868 Jy/beam ! Combined flux in latest and established models = 16.607 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 38 components and 16.607 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.126869Jy sigma=0.015013 ! Fit after self-cal, rms=2.126450Jy sigma=0.015012 ! Inverting map ! Your choice of large map pixels excluded 1.17% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.86 HN 1.18 KB 1.00* ! KK 1.00* KP 0.94 LA 1.12 MK 1.00* ! NL 1.12 NY 1.00* OV 1.08 PT 1.04 ! SC 1.03 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 75 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.83 HN 1.00* KB 1.00* ! KK 1.14 KP 0.92 LA 1.07 MK 0.94 ! NL 1.10 NY 1.00* OV 1.01 PT 1.01 ! SC 1.00 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.85 HN 1.20 KB 1.00* ! KK 1.00* KP 0.89 LA 1.10 MK 1.00* ! NL 1.09 NY 1.00* OV 1.06 PT 1.09 ! SC 1.03 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 75 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.84 HN 1.00* KB 1.00* ! KK 1.10 KP 0.87 LA 1.06 MK 0.93 ! NL 1.08 NY 1.00* OV 0.99 PT 1.06 ! SC 1.00 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.86 HN 1.19 KB 1.00* ! KK 1.00* KP 0.81 LA 1.13 MK 1.00* ! NL 1.13 NY 1.00* OV 1.07 PT 1.09 ! SC 1.05 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 75 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 0.84 HN 1.00* KB 1.00* ! KK 1.11 KP 0.79 LA 1.08 MK 0.94 ! NL 1.11 NY 1.00* OV 1.01 PT 1.05 ! SC 1.03 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.88 HN 1.19 KB 1.00* ! KK 1.00* KP 0.85 LA 1.12 MK 1.00* ! NL 1.12 NY 1.00* OV 1.07 PT 1.07 ! SC 1.06 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 75 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.85 HN 1.00* KB 1.00* ! KK 1.10 KP 0.83 LA 1.07 MK 0.95 ! NL 1.11 NY 1.00* OV 1.01 PT 1.04 ! SC 1.02 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=2.126450Jy sigma=0.015012 ! Fit after self-cal, rms=0.593397Jy sigma=0.004230 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.7964 mas, bmaj=2.173 mas, bpa=-0.09048 degrees ! Estimated noise=1345.6 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 = -0.0948388 Jy ! Component: 100 - total flux cleaned = -0.0952138 Jy ! Component: 150 - total flux cleaned = -0.0953284 Jy ! Component: 200 - total flux cleaned = -0.093725 Jy ! Total flux subtracted in 200 components = -0.093725 Jy ! Clean residual min=-0.092542 max=0.152595 Jy/beam ! Clean residual mean=-0.001052 rms=0.031442 Jy/beam ! Combined flux in latest and established models = 16.5132 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 42 components and 16.5132 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.564736Jy sigma=0.004068 ! Fit after self-cal, rms=0.564522Jy sigma=0.004062 ! Inverting map ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec 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=0.564522Jy sigma=0.004062 ! Fit after self-cal, rms=0.550454Jy sigma=0.004006 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.7989 mas, bmaj=2.177 mas, bpa=-0.03329 degrees ! Estimated noise=1347.16 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0633571 Jy ! Component: 100 - total flux cleaned = -0.0635374 Jy ! Component: 150 - total flux cleaned = -0.0635573 Jy ! Component: 200 - total flux cleaned = -0.0622956 Jy ! Total flux subtracted in 200 components = -0.0622956 Jy ! Clean residual min=-0.083770 max=0.154561 Jy/beam ! Clean residual mean=-0.000925 rms=0.030030 Jy/beam ! Combined flux in latest and established models = 16.4509 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 43 components and 16.451 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.534831Jy sigma=0.003922 ! Fit after self-cal, rms=0.534396Jy sigma=0.003919 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec 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 (3.8, 5.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.1463 Jy ! Component: 100 - total flux cleaned = 0.226964 Jy ! Component: 150 - total flux cleaned = 0.263736 Jy ! Component: 200 - total flux cleaned = 0.27899 Jy ! Total flux subtracted in 200 components = 0.27899 Jy ! Clean residual min=-0.076381 max=0.087534 Jy/beam ! Clean residual mean=-0.000570 rms=0.023009 Jy/beam ! Combined flux in latest and established models = 16.7299 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 74 components and 16.7299 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.498999Jy sigma=0.003557 ! Fit after self-cal, rms=0.490472Jy sigma=0.003503 ! Inverting map ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec 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=0.490472Jy sigma=0.003503 ! Fit after self-cal, rms=0.401557Jy sigma=0.002691 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.8006 mas, bmaj=2.18 mas, bpa=0.03477 degrees ! Estimated noise=1347.47 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00030852 Jy ! Component: 100 - total flux cleaned = 0.0137603 Jy ! Component: 150 - total flux cleaned = 0.0252898 Jy ! Component: 200 - total flux cleaned = 0.034847 Jy ! Total flux subtracted in 200 components = 0.034847 Jy ! Clean residual min=-0.054744 max=0.065583 Jy/beam ! Clean residual mean=-0.000805 rms=0.016906 Jy/beam ! Combined flux in latest and established models = 16.7648 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 83 components and 16.7648 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.384821Jy sigma=0.002557 ! Fit after self-cal, rms=0.382721Jy sigma=0.002545 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec 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 = 0.0259593 Jy ! Component: 100 - total flux cleaned = 0.0343753 Jy ! Component: 150 - total flux cleaned = 0.0404853 Jy ! Component: 200 - total flux cleaned = 0.045049 Jy ! Total flux subtracted in 200 components = 0.045049 Jy ! Clean residual min=-0.049791 max=0.062613 Jy/beam ! Clean residual mean=-0.000757 rms=0.016107 Jy/beam ! Combined flux in latest and established models = 16.8098 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 87 components and 16.8098 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.378236Jy sigma=0.002504 ! Fit after self-cal, rms=0.377420Jy sigma=0.002500 ! Inverting map ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 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=0.377420Jy sigma=0.002500 ! Fit after self-cal, rms=0.367230Jy sigma=0.002460 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=2.386 mas, bmaj=5.715 mas, bpa=3.969 degrees ! Estimated noise=1732.45 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0185013 Jy ! Component: 100 - total flux cleaned = 0.025647 Jy ! Component: 150 - total flux cleaned = 0.0289761 Jy ! Component: 200 - total flux cleaned = 0.029609 Jy ! Total flux subtracted in 200 components = 0.029609 Jy ! Clean residual min=-0.054331 max=0.097515 Jy/beam ! Clean residual mean=-0.001218 rms=0.024482 Jy/beam ! Combined flux in latest and established models = 16.8394 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 92 components and 16.8394 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.366045Jy sigma=0.002444 ! Fit after self-cal, rms=0.364306Jy sigma=0.002434 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec 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 = 0.0103265 Jy ! Component: 100 - total flux cleaned = 0.0124327 Jy ! Component: 150 - total flux cleaned = 0.0130689 Jy ! Component: 200 - total flux cleaned = 0.0130956 Jy ! Total flux subtracted in 200 components = 0.0130956 Jy ! Clean residual min=-0.052886 max=0.093938 Jy/beam ! Clean residual mean=-0.001193 rms=0.024174 Jy/beam ! Combined flux in latest and established models = 16.8525 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 98 components and 16.8525 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.363654Jy sigma=0.002430 ! Fit after self-cal, rms=0.362907Jy sigma=0.002427 ! Inverting map ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec 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 ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.8021 mas, bmaj=2.182 mas, bpa=0.08989 degrees ! Estimated noise=1348.02 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8021 x 2.182 at 0.08989 degrees (North through East) ! Clean map min=-0.046513 max=13.888 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=0.362907Jy sigma=0.002427 ! Fit after self-cal, rms=0.295994Jy sigma=0.001893 ! Inverting map and beam ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.803 mas, bmaj=2.184 mas, bpa=0.07937 degrees ! Estimated noise=1347.24 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0356851 Jy ! Component: 100 - total flux cleaned = -0.0429044 Jy ! Component: 150 - total flux cleaned = -0.0439502 Jy ! Component: 200 - total flux cleaned = -0.0439673 Jy ! Total flux subtracted in 200 components = -0.0439673 Jy ! Clean residual min=-0.049107 max=0.057317 Jy/beam ! Clean residual mean=-0.000504 rms=0.013068 Jy/beam ! Combined flux in latest and established models = 16.8086 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 108 components and 16.8086 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.285181Jy sigma=0.001827 ! Fit after self-cal, rms=0.284680Jy sigma=0.001826 ! Inverting map ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Added new window around map position (2, 8.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0525863 Jy ! Component: 100 - total flux cleaned = 0.0596832 Jy ! Component: 150 - total flux cleaned = 0.0615396 Jy ! Component: 200 - total flux cleaned = 0.0593066 Jy ! Total flux subtracted in 200 components = 0.0593066 Jy ! Clean residual min=-0.046150 max=0.046118 Jy/beam ! Clean residual mean=-0.000480 rms=0.011955 Jy/beam ! Combined flux in latest and established models = 16.8679 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 123 components and 16.8679 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.273418Jy sigma=0.001727 ! Fit after self-cal, rms=0.271966Jy sigma=0.001720 ! Inverting map ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.271966Jy sigma=0.001720 ! Fit after self-cal, rms=0.265465Jy sigma=0.001692 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 ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.6599 mas, bmaj=1.8 mas, bpa=1.123 degrees ! Estimated noise=1974.22 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 10.4308 Jy ! Component: 100 - total flux cleaned = 13.0296 Jy ! Component: 150 - total flux cleaned = 14.3013 Jy ! Component: 200 - total flux cleaned = 15.0372 Jy ! Total flux subtracted in 200 components = 15.0372 Jy ! Clean residual min=-0.171574 max=0.448342 Jy/beam ! Clean residual mean=-0.001058 rms=0.045914 Jy/beam ! Combined flux in latest and established models = 15.0371 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 17 model components to the UV plane model. ! The established model now contains 17 components and 15.0371 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.8039 mas, bmaj=2.185 mas, bpa=0.1225 degrees ! Estimated noise=1347.25 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) ! Added new window around map position (0.6, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.662648 Jy ! Component: 100 - total flux cleaned = 0.989416 Jy ! Component: 150 - total flux cleaned = 1.19811 Jy ! Component: 200 - total flux cleaned = 1.34675 Jy ! Total flux subtracted in 200 components = 1.34675 Jy ! Clean residual min=-0.051456 max=0.094397 Jy/beam ! Clean residual mean=-0.000899 rms=0.021081 Jy/beam ! Combined flux in latest and established models = 16.3839 Jy ! Adding 55 model components to the UV plane model. ! The established model now contains 66 components and 16.3839 Jy ! Inverting map ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Added new window around map position (2.4, 4.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.111251 Jy ! Component: 100 - total flux cleaned = 0.194691 Jy ! Component: 150 - total flux cleaned = 0.258986 Jy ! Component: 200 - total flux cleaned = 0.308953 Jy ! Total flux subtracted in 200 components = 0.308953 Jy ! Clean residual min=-0.040545 max=0.055016 Jy/beam ! Clean residual mean=-0.000568 rms=0.012828 Jy/beam ! Combined flux in latest and established models = 16.6929 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 100 components and 16.6929 Jy ! Inverting map ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Added new window around map position (6.8, 5.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0554178 Jy ! Component: 100 - total flux cleaned = 0.094374 Jy ! Component: 150 - total flux cleaned = 0.121616 Jy ! Component: 200 - total flux cleaned = 0.140545 Jy ! Total flux subtracted in 200 components = 0.140545 Jy ! Clean residual min=-0.038201 max=0.038697 Jy/beam ! Clean residual mean=-0.000385 rms=0.009883 Jy/beam ! Combined flux in latest and established models = 16.8334 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 130 components and 16.8334 Jy ! Inverting map ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=2.387 mas, bmaj=5.722 mas, bpa=4.005 degrees ! Estimated noise=1726.55 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0392759 Jy ! Component: 100 - total flux cleaned = 0.0632962 Jy ! Component: 150 - total flux cleaned = 0.0798685 Jy ! Component: 200 - total flux cleaned = 0.0882217 Jy ! Total flux subtracted in 200 components = 0.0882217 Jy ! Clean residual min=-0.042431 max=0.051115 Jy/beam ! Clean residual mean=-0.000579 rms=0.015121 Jy/beam ! Combined flux in latest and established models = 16.9216 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 = 0.00161034 Jy ! Component: 100 - total flux cleaned = 0.00270938 Jy ! Component: 150 - total flux cleaned = 0.00371249 Jy ! Component: 200 - total flux cleaned = 0.00463287 Jy ! Total flux subtracted in 200 components = 0.00463287 Jy ! Clean residual min=-0.042913 max=0.050342 Jy/beam ! Clean residual mean=-0.000555 rms=0.014883 Jy/beam ! Combined flux in latest and established models = 16.9263 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 166 components and 16.9262 Jy ! Inverting map ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.8039 mas, bmaj=2.185 mas, bpa=0.1225 degrees ! Estimated noise=1347.25 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00792068 Jy ! Component: 100 - total flux cleaned = -0.00788516 Jy ! Component: 150 - total flux cleaned = -0.00786584 Jy ! Component: 200 - total flux cleaned = -0.00713914 Jy ! Total flux subtracted in 200 components = -0.00713914 Jy ! Clean residual min=-0.037164 max=0.034675 Jy/beam ! Clean residual mean=-0.000278 rms=0.008704 Jy/beam ! Combined flux in latest and established models = 16.9191 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 186 components and 16.9191 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.243632Jy sigma=0.001533 ! Fit after self-cal, rms=0.239667Jy sigma=0.001510 wmodel J1924-2914_X_2009_04_21_pus_map.mod ! Writing 186 model components to file: J1924-2914_X_2009_04_21_pus_map.mod wobs J1924-2914_X_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J1924-2914_X_2009_04_21_pus_uvs.fits wwins J1924-2914_X_2009_04_21_pus_map.win ! wwins: Wrote 6 windows to J1924-2914_X_2009_04_21_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00459192 Jy ! Component: 100 - total flux cleaned = -0.0128102 Jy ! Component: 150 - total flux cleaned = -0.0191219 Jy ! Component: 200 - total flux cleaned = -0.0255123 Jy ! Component: 250 - total flux cleaned = -0.0315829 Jy ! Component: 300 - total flux cleaned = -0.0373885 Jy ! Component: 350 - total flux cleaned = -0.0438434 Jy ! Component: 400 - total flux cleaned = -0.0500901 Jy ! Component: 450 - total flux cleaned = -0.0561421 Jy ! Component: 500 - total flux cleaned = -0.0616234 Jy ! Component: 550 - total flux cleaned = -0.0658173 Jy ! Component: 600 - total flux cleaned = -0.0706493 Jy ! Component: 650 - total flux cleaned = -0.0742714 Jy ! Component: 700 - total flux cleaned = -0.0778121 Jy ! Component: 750 - total flux cleaned = -0.081962 Jy ! Component: 800 - total flux cleaned = -0.0856749 Jy ! Component: 850 - total flux cleaned = -0.0892995 Jy ! Component: 900 - total flux cleaned = -0.0918824 Jy ! Component: 950 - total flux cleaned = -0.0959953 Jy ! Component: 1000 - total flux cleaned = -0.0990945 Jy ! Component: 1050 - total flux cleaned = -0.102747 Jy ! Component: 1100 - total flux cleaned = -0.105131 Jy ! Component: 1150 - total flux cleaned = -0.108062 Jy ! Component: 1200 - total flux cleaned = -0.110654 Jy ! Component: 1250 - total flux cleaned = -0.113201 Jy ! Component: 1300 - total flux cleaned = -0.115154 Jy ! Component: 1350 - total flux cleaned = -0.11817 Jy ! Component: 1400 - total flux cleaned = -0.120598 Jy ! Component: 1450 - total flux cleaned = -0.123528 Jy ! Component: 1500 - total flux cleaned = -0.125891 Jy ! Component: 1550 - total flux cleaned = -0.127445 Jy ! Component: 1600 - total flux cleaned = -0.12898 Jy ! Component: 1650 - total flux cleaned = -0.130744 Jy ! Component: 1700 - total flux cleaned = -0.132233 Jy ! Component: 1750 - total flux cleaned = -0.133702 Jy ! Component: 1800 - total flux cleaned = -0.134913 Jy ! Component: 1850 - total flux cleaned = -0.136347 Jy ! Component: 1900 - total flux cleaned = -0.138001 Jy ! Component: 1950 - total flux cleaned = -0.138697 Jy ! Component: 2000 - total flux cleaned = -0.139625 Jy ! Total flux subtracted in 2048 components = -0.141674 Jy ! Clean residual min=-0.012966 max=0.013845 Jy/beam ! Clean residual mean=-0.000170 rms=0.004923 Jy/beam ! Combined flux in latest and established models = 16.7774 Jy keep ! Adding 156 model components to the UV plane model. ! The established model now contains 342 components and 16.7774 Jy ![Exited script file: muppet] wmap "J1924-2914_X_2009_04_21_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8039 x 2.185 at 0.1225 degrees (North through East) ! Clean map min=-0.022136 max=13.978 Jy/beam ! Writing clean map to FITS file: J1924-2914_X_2009_04_21_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 13.978 invert ! Inverting map ! Your choice of large map pixels excluded 0.929% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.0048543 device "J1924-2914_X_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J1924-2914_X_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.104184 0.104184 0.208368 0.416737 0.833474 1.66695 3.3339 6.66779 13.3356 26.6712 53.3423 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0145 print "peak=",int(1000*peak_flux)/1000 ! peak= 13.978 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8039 x 2.185 at 0.1225 degrees (North through East) ! Clean map min=-0.022136 max=13.978 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1924-2914_X_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J1924-2914_X_2009_04_21_pus_map.gif/vgif' mapplot cln