! Started logfile: J1454-3747_X_1998_10_01_pus_uvs.log on Wed Feb 6 12:33:57 2008 obs J1454-3747_X_1998_10_01_pus_uva.fits ! Reading UV FITS file: J1454-3747_X_1998_10_01_pus_uva.fits ! AN table 1: 106 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.158088 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1454-3747 ! ! 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 8.40798e+09 4e+06 1 4e+06 ! 02 2 8.47798e+09 4e+06 1 4e+06 ! 03 3 8.79298e+09 4e+06 1 4e+06 ! 04 4 8.89798e+09 4e+06 1 4e+06 ! ! Polarization(s): RR ! ! Read 2049 lines of history. ! ! Reading 9116 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 J1454-3747_X_1998_10_01_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 1211 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1211 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1211 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1211 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.757755Jy sigma=0.005379 ! Fit after self-cal, rms=0.519979Jy sigma=0.003769 ! 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 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=0.6887 mas, bmaj=2.195 mas, bpa=-2.72 degrees ! Estimated noise=1499.54 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 = 0.514882 Jy ! Component: 100 - total flux cleaned = 0.695912 Jy ! Total flux subtracted in 100 components = 0.695912 Jy ! Clean residual min=-0.029837 max=0.076635 Jy/beam ! Clean residual mean=0.003999 rms=0.014220 Jy/beam ! Combined flux in latest and established models = 0.695912 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.695912 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.387283Jy sigma=0.002950 ! Fit after self-cal, rms=0.386670Jy sigma=0.002945 ! Inverting map ! Your choice of large map pixels excluded 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 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 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=0.8527 mas, bmaj=2.625 mas, bpa=-4.835 degrees ! Estimated noise=972.947 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 = 0.131524 Jy ! Component: 100 - total flux cleaned = 0.199578 Jy ! Component: 150 - total flux cleaned = 0.238489 Jy ! Component: 200 - total flux cleaned = 0.260851 Jy ! Total flux subtracted in 200 components = 0.260851 Jy ! Clean residual min=-0.026156 max=0.051931 Jy/beam ! Clean residual mean=0.001726 rms=0.011690 Jy/beam ! Combined flux in latest and established models = 0.956763 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 31 components and 0.956763 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.353717Jy sigma=0.002474 ! Fit after self-cal, rms=0.352973Jy sigma=0.002471 ! Inverting map ! Your choice of large map pixels excluded 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 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 0.92 GC 1.00* HN 1.17 ! KK 0.94 KP 0.90 LA 1.00 MK 0.97 ! NL 1.11 NY 1.00* ON 1.00* OV 0.98 ! PT 0.96 SC 0.97 WF 1.14 MC 1.00* ! GN 1.15 ! ! ! 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 0.93 GC 1.00* HN 1.19 ! KK 1.00 KP 0.95 LA 0.96 MK 0.88 ! NL 1.24 NY 1.00* ON 1.00* OV 0.99 ! PT 0.95 SC 0.97 WF 1.18 MC 1.00* ! GN 1.12 ! ! ! 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 0.90 GC 1.00* HN 1.20 ! KK 0.94 KP 0.96 LA 0.97 MK 1.01 ! NL 1.13 NY 1.00* ON 1.00* OV 0.95 ! PT 0.97 SC 1.01 WF 1.12 MC 1.00* ! GN 1.17 ! ! ! 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 0.88 GC 1.00* HN 1.21 ! KK 0.96 KP 0.96 LA 0.98 MK 0.92 ! NL 1.17 NY 1.00* ON 1.00* OV 0.98 ! PT 0.92 SC 0.99 WF 1.07 MC 1.00* ! GN 1.19 ! ! ! Fit before self-cal, rms=0.352973Jy sigma=0.002471 ! Fit after self-cal, rms=0.368153Jy sigma=0.002347 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=0.8455 mas, bmaj=2.603 mas, bpa=-4.675 degrees ! Estimated noise=963.885 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 = -0.00120115 Jy ! Component: 100 - total flux cleaned = -0.00121155 Jy ! Component: 150 - total flux cleaned = -0.00151265 Jy ! Component: 200 - total flux cleaned = -0.00178844 Jy ! Total flux subtracted in 200 components = -0.00178844 Jy ! Clean residual min=-0.014230 max=0.023198 Jy/beam ! Clean residual mean=0.000070 rms=0.004637 Jy/beam ! Combined flux in latest and established models = 0.954975 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 35 components and 0.954974 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.367345Jy sigma=0.002342 ! Fit after self-cal, rms=0.368647Jy sigma=0.002340 ! Inverting map ! Your choice of large map pixels excluded 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 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=0.368647Jy sigma=0.002340 ! Fit after self-cal, rms=0.373617Jy sigma=0.002327 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=0.846 mas, bmaj=2.619 mas, bpa=-4.835 degrees ! Estimated noise=962.146 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000483387 Jy ! Component: 100 - total flux cleaned = -0.00155866 Jy ! Component: 150 - total flux cleaned = -0.00179649 Jy ! Component: 200 - total flux cleaned = -0.00201893 Jy ! Total flux subtracted in 200 components = -0.00201893 Jy ! Clean residual min=-0.013076 max=0.018783 Jy/beam ! Clean residual mean=0.000114 rms=0.003929 Jy/beam ! Combined flux in latest and established models = 0.952956 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 41 components and 0.952956 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.373172Jy sigma=0.002325 ! Fit after self-cal, rms=0.373455Jy sigma=0.002324 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 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 (-1.4, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0135136 Jy ! Component: 100 - total flux cleaned = 0.013204 Jy ! Component: 150 - total flux cleaned = 0.0119869 Jy ! Component: 200 - total flux cleaned = 0.0109493 Jy ! Total flux subtracted in 200 components = 0.0109493 Jy ! Clean residual min=-0.013121 max=0.010941 Jy/beam ! Clean residual mean=-0.000314 rms=0.003206 Jy/beam ! Combined flux in latest and established models = 0.963905 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 53 components and 0.963905 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.372426Jy sigma=0.002317 ! Fit after self-cal, rms=0.372183Jy sigma=0.002316 ! Inverting map ! Your choice of large map pixels excluded 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 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=0.372183Jy sigma=0.002316 ! Fit after self-cal, rms=0.370916Jy sigma=0.002315 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=0.8459 mas, bmaj=2.611 mas, bpa=-4.695 degrees ! Estimated noise=959.957 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00418555 Jy ! Component: 100 - total flux cleaned = 0.00396646 Jy ! Component: 150 - total flux cleaned = 0.00357039 Jy ! Component: 200 - total flux cleaned = 0.00284997 Jy ! Total flux subtracted in 200 components = 0.00284997 Jy ! Clean residual min=-0.012376 max=0.010265 Jy/beam ! Clean residual mean=-0.000255 rms=0.002917 Jy/beam ! Combined flux in latest and established models = 0.966755 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 59 components and 0.966755 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.370531Jy sigma=0.002313 ! Fit after self-cal, rms=0.370442Jy sigma=0.002312 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 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 = 0.00157077 Jy ! Component: 100 - total flux cleaned = 0.00105911 Jy ! Component: 150 - total flux cleaned = 0.000754731 Jy ! Component: 200 - total flux cleaned = 0.000756572 Jy ! Total flux subtracted in 200 components = 0.000756572 Jy ! Clean residual min=-0.011959 max=0.009582 Jy/beam ! Clean residual mean=-0.000286 rms=0.002802 Jy/beam ! Combined flux in latest and established models = 0.967511 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 66 components and 0.967511 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.370275Jy sigma=0.002311 ! Fit after self-cal, rms=0.370250Jy sigma=0.002311 ! Inverting map ! Your choice of large map pixels excluded 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 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=0.370250Jy sigma=0.002311 ! Fit after self-cal, rms=0.369861Jy sigma=0.002311 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=2.154 mas, bmaj=6.027 mas, bpa=-4.703 degrees ! Estimated noise=1223.78 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000404645 Jy ! Component: 100 - total flux cleaned = -0.000405771 Jy ! Component: 150 - total flux cleaned = -0.00049919 Jy ! Component: 200 - total flux cleaned = -0.000586455 Jy ! Total flux subtracted in 200 components = -0.000586455 Jy ! Clean residual min=-0.010210 max=0.009812 Jy/beam ! Clean residual mean=-0.000415 rms=0.003801 Jy/beam ! Combined flux in latest and established models = 0.966925 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 77 components and 0.966925 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.369794Jy sigma=0.002310 ! Fit after self-cal, rms=0.369771Jy sigma=0.002310 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 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 = 0.00012616 Jy ! Component: 100 - total flux cleaned = 0.000236573 Jy ! Component: 150 - total flux cleaned = 0.000157457 Jy ! Component: 200 - total flux cleaned = 1.22591e-05 Jy ! Total flux subtracted in 200 components = 1.22591e-05 Jy ! Clean residual min=-0.009900 max=0.009627 Jy/beam ! Clean residual mean=-0.000419 rms=0.003777 Jy/beam ! Combined flux in latest and established models = 0.966937 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 81 components and 0.966937 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.369732Jy sigma=0.002310 ! Fit after self-cal, rms=0.369720Jy sigma=0.002310 ! Inverting map ! Your choice of large map pixels excluded 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 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 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=0.8464 mas, bmaj=2.609 mas, bpa=-4.614 degrees ! Estimated noise=958.865 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8464 x 2.609 at -4.614 degrees (North through East) ! Clean map min=-0.010639 max=0.66489 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=0.369720Jy sigma=0.002310 ! Fit after self-cal, rms=0.385350Jy sigma=0.002129 ! Inverting map and beam ! Your choice of large map pixels excluded 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=0.8454 mas, bmaj=2.606 mas, bpa=-4.642 degrees ! Estimated noise=955.424 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00139232 Jy ! Component: 100 - total flux cleaned = 0.000908925 Jy ! Component: 150 - total flux cleaned = 0.000592674 Jy ! Component: 200 - total flux cleaned = 0.000499877 Jy ! Total flux subtracted in 200 components = 0.000499877 Jy ! Clean residual min=-0.010747 max=0.008687 Jy/beam ! Clean residual mean=-0.000101 rms=0.002506 Jy/beam ! Combined flux in latest and established models = 0.967437 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 88 components and 0.967437 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.385285Jy sigma=0.002128 ! Fit after self-cal, rms=0.385269Jy sigma=0.002128 ! Inverting map ! Your choice of large map pixels excluded 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000672932 Jy ! Component: 100 - total flux cleaned = 0.000486021 Jy ! Component: 150 - total flux cleaned = 0.000486036 Jy ! Component: 200 - total flux cleaned = 0.000485785 Jy ! Total flux subtracted in 200 components = 0.000485785 Jy ! Clean residual min=-0.010510 max=0.008449 Jy/beam ! Clean residual mean=-0.000114 rms=0.002472 Jy/beam ! Combined flux in latest and established models = 0.967923 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 92 components and 0.967923 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.385228Jy sigma=0.002128 ! Fit after self-cal, rms=0.385219Jy sigma=0.002128 ! Inverting map ! Your choice of large map pixels excluded 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.385219Jy sigma=0.002128 ! Fit after self-cal, rms=0.384597Jy sigma=0.002128 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 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=0.6801 mas, bmaj=2.176 mas, bpa=-2.626 degrees ! Estimated noise=1484.47 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.51205 Jy ! Component: 100 - total flux cleaned = 0.70017 Jy ! Component: 150 - total flux cleaned = 0.784197 Jy ! Component: 200 - total flux cleaned = 0.835812 Jy ! Total flux subtracted in 200 components = 0.835812 Jy ! Clean residual min=-0.016672 max=0.028039 Jy/beam ! Clean residual mean=0.001808 rms=0.006530 Jy/beam ! Combined flux in latest and established models = 0.835812 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 19 model components to the UV plane model. ! The established model now contains 19 components and 0.835812 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=0.8456 mas, bmaj=2.607 mas, bpa=-4.651 degrees ! Estimated noise=954.888 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 = 0.0551102 Jy ! Component: 100 - total flux cleaned = 0.0854813 Jy ! Component: 150 - total flux cleaned = 0.103894 Jy ! Component: 200 - total flux cleaned = 0.115562 Jy ! Total flux subtracted in 200 components = 0.115562 Jy ! Clean residual min=-0.009115 max=0.010107 Jy/beam ! Clean residual mean=0.000479 rms=0.002915 Jy/beam ! Combined flux in latest and established models = 0.951374 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 46 components and 0.951374 Jy ! Inverting map ! Your choice of large map pixels excluded 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 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 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=2.15 mas, bmaj=6.01 mas, bpa=-4.695 degrees ! Estimated noise=1221.19 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0104245 Jy ! Component: 100 - total flux cleaned = 0.0147181 Jy ! Component: 150 - total flux cleaned = 0.0155101 Jy ! Component: 200 - total flux cleaned = 0.0158108 Jy ! Total flux subtracted in 200 components = 0.0158108 Jy ! Clean residual min=-0.007806 max=0.009849 Jy/beam ! Clean residual mean=-0.000230 rms=0.003510 Jy/beam ! Combined flux in latest and established models = 0.967185 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 = 0.000247255 Jy ! Component: 100 - total flux cleaned = 0.000501247 Jy ! Component: 150 - total flux cleaned = 0.000629888 Jy ! Component: 200 - total flux cleaned = 0.000669025 Jy ! Total flux subtracted in 200 components = 0.000669025 Jy ! Clean residual min=-0.007866 max=0.009839 Jy/beam ! Clean residual mean=-0.000276 rms=0.003483 Jy/beam ! Combined flux in latest and established models = 0.967854 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 73 components and 0.967854 Jy ! Inverting map ! Your choice of large map pixels excluded 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=0.8456 mas, bmaj=2.607 mas, bpa=-4.651 degrees ! Estimated noise=954.888 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000424218 Jy ! Component: 100 - total flux cleaned = -0.000300279 Jy ! Component: 150 - total flux cleaned = -9.7524e-05 Jy ! Component: 200 - total flux cleaned = -1.10445e-05 Jy ! Total flux subtracted in 200 components = -1.10445e-05 Jy ! Clean residual min=-0.009027 max=0.008105 Jy/beam ! Clean residual mean=-0.000117 rms=0.002403 Jy/beam ! Combined flux in latest and established models = 0.967843 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 91 components and 0.967843 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.384378Jy sigma=0.002126 ! Fit after self-cal, rms=0.384352Jy sigma=0.002126 wmodel J1454-3747_X_1998_10_01_pus_map.mod ! Writing 91 model components to file: J1454-3747_X_1998_10_01_pus_map.mod wobs J1454-3747_X_1998_10_01_pus_uvs.fits ! Writing UV FITS file: J1454-3747_X_1998_10_01_pus_uvs.fits wwins J1454-3747_X_1998_10_01_pus_map.win ! wwins: Wrote 2 windows to J1454-3747_X_1998_10_01_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 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000304349 Jy ! Component: 100 - total flux cleaned = 0.00111843 Jy ! Component: 150 - total flux cleaned = 0.00215622 Jy ! Component: 200 - total flux cleaned = 0.00269441 Jy ! Component: 250 - total flux cleaned = 0.00269703 Jy ! Component: 300 - total flux cleaned = 0.00250919 Jy ! Component: 350 - total flux cleaned = 0.00215136 Jy ! Component: 400 - total flux cleaned = 0.00155327 Jy ! Component: 450 - total flux cleaned = 0.00114299 Jy ! Component: 500 - total flux cleaned = 0.000665464 Jy ! Component: 550 - total flux cleaned = 0.000510055 Jy ! Component: 600 - total flux cleaned = 0.000284766 Jy ! Component: 650 - total flux cleaned = 0.000138887 Jy ! Component: 700 - total flux cleaned = -0.000145376 Jy ! Component: 750 - total flux cleaned = -0.000214556 Jy ! Component: 800 - total flux cleaned = -0.000555397 Jy ! Component: 850 - total flux cleaned = -0.000821287 Jy ! Component: 900 - total flux cleaned = -0.00108032 Jy ! Component: 950 - total flux cleaned = -0.00133471 Jy ! Component: 1000 - total flux cleaned = -0.00158422 Jy ! Total flux subtracted in 1024 components = -0.00176862 Jy ! Clean residual min=-0.003562 max=0.003991 Jy/beam ! Clean residual mean=-0.000097 rms=0.001330 Jy/beam ! Combined flux in latest and established models = 0.966074 Jy keep ! Adding 64 model components to the UV plane model. ! The established model now contains 155 components and 0.966074 Jy ![Exited script file: muppet] wmap "J1454-3747_X_1998_10_01_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8456 x 2.607 at -4.651 degrees (North through East) ! Clean map min=-0.00643 max=0.66633 Jy/beam ! Writing clean map to FITS file: J1454-3747_X_1998_10_01_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.666331 invert ! Inverting map ! Your choice of large map pixels excluded 1.25% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.0013205 device "J1454-3747_X_1998_10_01_pus\_map.eps/VPS" ! Attempting to open device: 'J1454-3747_X_1998_10_01_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.594526 0.594526 1.18905 2.3781 4.75621 9.51242 19.0248 38.0497 76.0993 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0039 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.666 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8456 x 2.607 at -4.651 degrees (North through East) ! Clean map min=-0.00643 max=0.66633 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1454-3747_X_1998_10_01_pus\_map.gif/vgif" ! Attempting to open device: 'J1454-3747_X_1998_10_01_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1454-3747_X_1998_10_01_pus_uvs.log closed on Wed Feb 6 12:34:00 2008