! Started logfile: J1802-3940_X_2010_10_13_pus_uvs.log on Mon Feb 28 17:18:29 2011 obs J1802-3940_X_2010_10_13_pus_uva.fits ! Reading UV FITS file: J1802-3940_X_2010_10_13_pus_uva.fits ! AN table 1: 49 integrations on 105 of 105 possible baselines. ! AN table 2: 57 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.136119 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1802-3940 ! ! 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 8.40996e+09 8e+06 1 8e+06 ! 02 2 8.47996e+09 8e+06 1 8e+06 ! 03 3 8.79496e+09 8e+06 1 8e+06 ! 04 4 8.89996e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 5978 lines of history. ! ! Reading 6060 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 = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J1802-3940_X_2010_10_13_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 = 256x256 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 497 telescope corrections were flagged in sub-array 1. ! A total of 575 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 497 telescope corrections were flagged in sub-array 1. ! A total of 575 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 497 telescope corrections were flagged in sub-array 1. ! A total of 575 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 497 telescope corrections were flagged in sub-array 1. ! A total of 575 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.842326Jy sigma=0.008418 ! Fit after self-cal, rms=0.679960Jy sigma=0.007024 ! 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 1.71% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=0.6362 mas, bmaj=2.232 mas, bpa=-9.31 degrees ! Estimated noise=1828.66 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 = 1.17391 Jy ! Component: 100 - total flux cleaned = 1.43151 Jy ! Total flux subtracted in 100 components = 1.43151 Jy ! Clean residual min=-0.049514 max=0.130963 Jy/beam ! Clean residual mean=0.003130 rms=0.019924 Jy/beam ! Combined flux in latest and established models = 1.43151 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 1.43151 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.360351Jy sigma=0.003574 ! Fit after self-cal, rms=0.360354Jy sigma=0.003573 ! Inverting map ! Your choice of large map pixels excluded 1.71% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Added new window around map position (1.6, 0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.119822 Jy ! Component: 100 - total flux cleaned = 0.186056 Jy ! Total flux subtracted in 100 components = 0.186056 Jy ! Clean residual min=-0.051672 max=0.094267 Jy/beam ! Clean residual mean=0.001920 rms=0.014394 Jy/beam ! Combined flux in latest and established models = 1.61757 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 20 components and 1.61757 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.287486Jy sigma=0.002746 ! Fit after self-cal, rms=0.281900Jy sigma=0.002674 ! Inverting map ! Your choice of large map pixels excluded 1.71% of the data. ! The x-axis pixel size should ideally be below 0.1914 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 1.71% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=0.8434 mas, bmaj=2.943 mas, bpa=-9.604 degrees ! Estimated noise=963.808 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 = 0.124376 Jy ! Component: 100 - total flux cleaned = 0.186512 Jy ! Component: 150 - total flux cleaned = 0.220681 Jy ! Component: 200 - total flux cleaned = 0.237766 Jy ! Total flux subtracted in 200 components = 0.237766 Jy ! Clean residual min=-0.031793 max=0.055191 Jy/beam ! Clean residual mean=-0.000778 rms=0.012267 Jy/beam ! Combined flux in latest and established models = 1.85533 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 42 components and 1.85533 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.233460Jy sigma=0.002047 ! Fit after self-cal, rms=0.232394Jy sigma=0.002029 ! Inverting map ! Your choice of large map pixels excluded 1.71% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.84 HH 1.00* HN 1.00* ! KB 1.00* KK 1.02 KP 0.99 LA 1.02 ! MK 0.98 NL 1.32 NY 1.00* OV 0.97 ! PT 1.00 SC 0.94 TS 1.00* ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.82 HH 1.00* HN 1.00* ! KB 1.00* KK 1.09 KP 0.96 LA 1.00 ! MK 1.01 NL 1.15 NY 1.00* OV 0.95 ! PT 0.97 SC 1.01 TS 1.00* ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.99 HH 1.00* HN 1.00* ! KB 1.00* KK 1.04 KP 0.98 LA 0.99 ! MK 0.94 NL 1.34 NY 1.00* OV 0.99 ! PT 1.03 SC 0.99 TS 1.00* ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.96 HH 1.00* HN 1.00* ! KB 1.00* KK 1.13 KP 0.97 LA 0.97 ! MK 0.97 NL 1.21 NY 1.00* OV 0.98 ! PT 1.00 SC 1.02 TS 1.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 HH 1.00* HN 1.00* ! KB 1.00* KK 1.01 KP 0.99 LA 0.97 ! MK 0.99 NL 1.25 NY 1.00* OV 0.99 ! PT 1.09 SC 1.00 TS 1.00* ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.96 HH 1.00* HN 1.00* ! KB 1.00* KK 1.07 KP 0.98 LA 0.95 ! MK 1.02 NL 1.15 NY 1.00* OV 0.96 ! PT 1.04 SC 1.05 TS 1.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00 HH 1.00* HN 1.00* ! KB 1.00* KK 1.02 KP 0.99 LA 1.04 ! MK 0.99 NL 1.32 NY 1.00* OV 1.03 ! PT 1.03 SC 1.02 TS 1.00* ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.97 HH 1.00* HN 1.00* ! KB 1.00* KK 1.11 KP 0.97 LA 1.01 ! MK 1.01 NL 1.16 NY 1.00* OV 1.01 ! PT 1.01 SC 1.05 TS 1.00* ! ! ! Fit before self-cal, rms=0.232394Jy sigma=0.002029 ! Fit after self-cal, rms=0.182066Jy sigma=0.001483 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Estimated beam: bmin=0.8706 mas, bmaj=2.972 mas, bpa=-10.08 degrees ! Estimated noise=971.896 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 = -0.0173289 Jy ! Component: 100 - total flux cleaned = -0.0191805 Jy ! Component: 150 - total flux cleaned = -0.0202166 Jy ! Component: 200 - total flux cleaned = -0.0210438 Jy ! Total flux subtracted in 200 components = -0.0210438 Jy ! Clean residual min=-0.013128 max=0.017211 Jy/beam ! Clean residual mean=0.000891 rms=0.004438 Jy/beam ! Combined flux in latest and established models = 1.83429 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 56 components and 1.83429 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178527Jy sigma=0.001458 ! Fit after self-cal, rms=0.177921Jy sigma=0.001453 ! Inverting map ! Your choice of large map pixels excluded 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 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=0.177921Jy sigma=0.001453 ! Fit after self-cal, rms=0.178233Jy sigma=0.001441 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Estimated beam: bmin=0.872 mas, bmaj=2.978 mas, bpa=-10.06 degrees ! Estimated noise=972.944 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00993881 Jy ! Component: 100 - total flux cleaned = -0.0108769 Jy ! Component: 150 - total flux cleaned = -0.0111185 Jy ! Component: 200 - total flux cleaned = -0.0113335 Jy ! Total flux subtracted in 200 components = -0.0113335 Jy ! Clean residual min=-0.012384 max=0.016775 Jy/beam ! Clean residual mean=0.000595 rms=0.004119 Jy/beam ! Combined flux in latest and established models = 1.82296 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 62 components and 1.82296 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.176674Jy sigma=0.001430 ! Fit after self-cal, rms=0.176175Jy sigma=0.001427 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 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 (-2.4, 0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0146747 Jy ! Component: 100 - total flux cleaned = 0.0135447 Jy ! Component: 150 - total flux cleaned = 0.0123815 Jy ! Component: 200 - total flux cleaned = 0.0118673 Jy ! Total flux subtracted in 200 components = 0.0118673 Jy ! Clean residual min=-0.011015 max=0.012292 Jy/beam ! Clean residual mean=0.000181 rms=0.003142 Jy/beam ! Combined flux in latest and established models = 1.83482 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 80 components and 1.83482 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173982Jy sigma=0.001408 ! Fit after self-cal, rms=0.173704Jy sigma=0.001405 ! Inverting map ! Your choice of large map pixels excluded 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 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=0.173704Jy sigma=0.001405 ! Fit after self-cal, rms=0.170748Jy sigma=0.001366 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Estimated beam: bmin=0.872 mas, bmaj=2.984 mas, bpa=-10.02 degrees ! Estimated noise=972.243 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00190172 Jy ! Component: 100 - total flux cleaned = -0.00219265 Jy ! Component: 150 - total flux cleaned = -0.00262402 Jy ! Component: 200 - total flux cleaned = -0.00282674 Jy ! Total flux subtracted in 200 components = -0.00282674 Jy ! Clean residual min=-0.009931 max=0.010318 Jy/beam ! Clean residual mean=0.000440 rms=0.002845 Jy/beam ! Combined flux in latest and established models = 1.832 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 95 components and 1.832 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169772Jy sigma=0.001359 ! Fit after self-cal, rms=0.169614Jy sigma=0.001358 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 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 = -0.00101719 Jy ! Component: 100 - total flux cleaned = -0.000821659 Jy ! Component: 150 - total flux cleaned = -0.00114329 Jy ! Component: 200 - total flux cleaned = -0.00145091 Jy ! Total flux subtracted in 200 components = -0.00145091 Jy ! Clean residual min=-0.008867 max=0.010141 Jy/beam ! Clean residual mean=0.000491 rms=0.002714 Jy/beam ! Combined flux in latest and established models = 1.83055 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 101 components and 1.83055 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169110Jy sigma=0.001354 ! Fit after self-cal, rms=0.169017Jy sigma=0.001353 ! Inverting map ! Your choice of large map pixels excluded 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 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=0.169017Jy sigma=0.001353 ! Fit after self-cal, rms=0.169130Jy sigma=0.001353 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Estimated beam: bmin=2.758 mas, bmaj=9.471 mas, bpa=-1.561 degrees ! Estimated noise=1181.28 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00253444 Jy ! Component: 100 - total flux cleaned = -0.00335689 Jy ! Component: 150 - total flux cleaned = -0.00394759 Jy ! Component: 200 - total flux cleaned = -0.00416483 Jy ! Total flux subtracted in 200 components = -0.00416483 Jy ! Clean residual min=-0.007788 max=0.009895 Jy/beam ! Clean residual mean=0.001026 rms=0.003228 Jy/beam ! Combined flux in latest and established models = 1.82638 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 109 components and 1.82638 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168910Jy sigma=0.001351 ! Fit after self-cal, rms=0.168880Jy sigma=0.001351 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 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 = -3.23813e-06 Jy ! Component: 100 - total flux cleaned = -0.000106401 Jy ! Component: 150 - total flux cleaned = -0.000211908 Jy ! Component: 200 - total flux cleaned = -0.000404612 Jy ! Total flux subtracted in 200 components = -0.000404612 Jy ! Clean residual min=-0.007395 max=0.009914 Jy/beam ! Clean residual mean=0.001052 rms=0.003168 Jy/beam ! Combined flux in latest and established models = 1.82598 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 112 components and 1.82598 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168763Jy sigma=0.001351 ! Fit after self-cal, rms=0.168745Jy sigma=0.001351 ! Inverting map ! Your choice of large map pixels excluded 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 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 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Estimated beam: bmin=0.8722 mas, bmaj=2.986 mas, bpa=-9.998 degrees ! Estimated noise=971.711 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8722 x 2.986 at -9.998 degrees (North through East) ! Clean map min=-0.012178 max=1.5217 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=0.168745Jy sigma=0.001351 ! Fit after self-cal, rms=0.152478Jy sigma=0.001179 ! Inverting map and beam ! Your choice of large map pixels excluded 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Estimated beam: bmin=0.8727 mas, bmaj=2.991 mas, bpa=-9.988 degrees ! Estimated noise=970.258 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00371329 Jy ! Component: 100 - total flux cleaned = -0.00419359 Jy ! Component: 150 - total flux cleaned = -0.00419403 Jy ! Component: 200 - total flux cleaned = -0.00419252 Jy ! Total flux subtracted in 200 components = -0.00419252 Jy ! Clean residual min=-0.007305 max=0.009649 Jy/beam ! Clean residual mean=0.000573 rms=0.002498 Jy/beam ! Combined flux in latest and established models = 1.82178 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 119 components and 1.82178 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152058Jy sigma=0.001176 ! Fit after self-cal, rms=0.152005Jy sigma=0.001176 ! Inverting map ! Your choice of large map pixels excluded 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000367122 Jy ! Component: 100 - total flux cleaned = -0.000107187 Jy ! Component: 150 - total flux cleaned = 1.50898e-05 Jy ! Component: 200 - total flux cleaned = 0.000240469 Jy ! Total flux subtracted in 200 components = 0.000240469 Jy ! Clean residual min=-0.006938 max=0.009313 Jy/beam ! Clean residual mean=0.000565 rms=0.002451 Jy/beam ! Combined flux in latest and established models = 1.82202 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 126 components and 1.82202 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.151748Jy sigma=0.001174 ! Fit after self-cal, rms=0.151715Jy sigma=0.001174 ! Inverting map ! Your choice of large map pixels excluded 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.151715Jy sigma=0.001174 ! Fit after self-cal, rms=0.151840Jy sigma=0.001173 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 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Estimated beam: bmin=0.6362 mas, bmaj=2.255 mas, bpa=-9.096 degrees ! Estimated noise=1891.09 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.20512 Jy ! Component: 100 - total flux cleaned = 1.46912 Jy ! Component: 150 - total flux cleaned = 1.56538 Jy ! Component: 200 - total flux cleaned = 1.62476 Jy ! Total flux subtracted in 200 components = 1.62476 Jy ! Clean residual min=-0.023243 max=0.032962 Jy/beam ! Clean residual mean=0.001478 rms=0.007713 Jy/beam ! Combined flux in latest and established models = 1.62476 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 18 model components to the UV plane model. ! The established model now contains 18 components and 1.62476 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Estimated beam: bmin=0.8732 mas, bmaj=2.994 mas, bpa=-9.98 degrees ! Estimated noise=969.796 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 = 0.089882 Jy ! Component: 100 - total flux cleaned = 0.133726 Jy ! Component: 150 - total flux cleaned = 0.160138 Jy ! Component: 200 - total flux cleaned = 0.176649 Jy ! Total flux subtracted in 200 components = 0.176649 Jy ! Clean residual min=-0.009090 max=0.014815 Jy/beam ! Clean residual mean=0.001197 rms=0.003997 Jy/beam ! Combined flux in latest and established models = 1.80141 Jy ! Adding 53 model components to the UV plane model. ! The established model now contains 66 components and 1.80141 Jy ! Inverting map ! Your choice of large map pixels excluded 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 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 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Estimated beam: bmin=2.76 mas, bmaj=9.484 mas, bpa=-1.549 degrees ! Estimated noise=1177.55 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0105754 Jy ! Component: 100 - total flux cleaned = 0.0126027 Jy ! Component: 150 - total flux cleaned = 0.0144378 Jy ! Component: 200 - total flux cleaned = 0.015607 Jy ! Total flux subtracted in 200 components = 0.015607 Jy ! Clean residual min=-0.008684 max=0.009879 Jy/beam ! Clean residual mean=0.001183 rms=0.003310 Jy/beam ! Combined flux in latest and established models = 1.81702 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 = 0.000217253 Jy ! Component: 100 - total flux cleaned = 0.000383246 Jy ! Component: 150 - total flux cleaned = 0.000392202 Jy ! Component: 200 - total flux cleaned = 0.000537689 Jy ! Total flux subtracted in 200 components = 0.000537689 Jy ! Clean residual min=-0.007647 max=0.008708 Jy/beam ! Clean residual mean=0.001146 rms=0.003001 Jy/beam ! Combined flux in latest and established models = 1.81755 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 88 components and 1.81755 Jy ! Inverting map ! Your choice of large map pixels excluded 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Estimated beam: bmin=0.8732 mas, bmaj=2.994 mas, bpa=-9.98 degrees ! Estimated noise=969.796 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000826501 Jy ! Component: 100 - total flux cleaned = 0.00131893 Jy ! Component: 150 - total flux cleaned = 0.00173114 Jy ! Component: 200 - total flux cleaned = 0.0015476 Jy ! Total flux subtracted in 200 components = 0.0015476 Jy ! Clean residual min=-0.006720 max=0.008204 Jy/beam ! Clean residual mean=0.000569 rms=0.002246 Jy/beam ! Combined flux in latest and established models = 1.8191 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 106 components and 1.8191 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.151657Jy sigma=0.001172 ! Fit after self-cal, rms=0.151346Jy sigma=0.001170 wmodel J1802-3940_X_2010_10_13_pus_map.mod ! Writing 106 model components to file: J1802-3940_X_2010_10_13_pus_map.mod wobs J1802-3940_X_2010_10_13_pus_uvs.fits ! Writing UV FITS file: J1802-3940_X_2010_10_13_pus_uvs.fits wwins J1802-3940_X_2010_10_13_pus_map.win ! wwins: Wrote 3 windows to J1802-3940_X_2010_10_13_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 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00241646 Jy ! Component: 100 - total flux cleaned = 0.00377857 Jy ! Component: 150 - total flux cleaned = 0.0053606 Jy ! Component: 200 - total flux cleaned = 0.00640487 Jy ! Component: 250 - total flux cleaned = 0.0075814 Jy ! Component: 300 - total flux cleaned = 0.00842023 Jy ! Component: 350 - total flux cleaned = 0.0091303 Jy ! Component: 400 - total flux cleaned = 0.00981034 Jy ! Component: 450 - total flux cleaned = 0.0102191 Jy ! Component: 500 - total flux cleaned = 0.0105355 Jy ! Component: 550 - total flux cleaned = 0.0107675 Jy ! Component: 600 - total flux cleaned = 0.0111433 Jy ! Component: 650 - total flux cleaned = 0.0113626 Jy ! Component: 700 - total flux cleaned = 0.0114339 Jy ! Component: 750 - total flux cleaned = 0.0116436 Jy ! Component: 800 - total flux cleaned = 0.0117798 Jy ! Component: 850 - total flux cleaned = 0.0119137 Jy ! Component: 900 - total flux cleaned = 0.0120439 Jy ! Component: 950 - total flux cleaned = 0.0120434 Jy ! Component: 1000 - total flux cleaned = 0.0121064 Jy ! Total flux subtracted in 1024 components = 0.0122298 Jy ! Clean residual min=-0.003372 max=0.003272 Jy/beam ! Clean residual mean=0.000151 rms=0.001333 Jy/beam ! Combined flux in latest and established models = 1.83133 Jy keep ! Adding 66 model components to the UV plane model. ! The established model now contains 172 components and 1.83133 Jy ![Exited script file: muppet] wmap "J1802-3940_X_2010_10_13_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8732 x 2.994 at -9.98 degrees (North through East) ! Clean map min=-0.01214 max=1.5584 Jy/beam ! Writing clean map to FITS file: J1802-3940_X_2010_10_13_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.55839 invert ! Inverting map ! Your choice of large map pixels excluded 0.727% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00134103 device "J1802-3940_X_2010_10_13_pus\_map.eps/VPS" ! Attempting to open device: 'J1802-3940_X_2010_10_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.258158 0.258158 0.516315 1.03263 2.06526 4.13052 8.26104 16.5221 33.0442 66.0883 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.004 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.558 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8732 x 2.994 at -9.98 degrees (North through East) ! Clean map min=-0.01214 max=1.5584 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1802-3940_X_2010_10_13_pus\_map.gif/vgif" ! Attempting to open device: 'J1802-3940_X_2010_10_13_pus_map.gif/vgif' mapplot cln