! Started logfile: J1147-3812_X_2008_07_09_pus_uvs.log on Sun Oct 10 20:18:03 2010 obs J1147-3812_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J1147-3812_X_2008_07_09_pus_uva.fits ! AN table 1: 12 integrations on 105 of 105 possible baselines. ! AN table 2: 13 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.178667 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1147-3812 ! ! 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 1142 lines of history. ! ! Reading 1876 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 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 111 telescope corrections were flagged in sub-array 1. ! A total of 104 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 111 telescope corrections were flagged in sub-array 1. ! A total of 104 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 111 telescope corrections were flagged in sub-array 1. ! A total of 104 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 111 telescope corrections were flagged in sub-array 1. ! A total of 104 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.361551Jy sigma=0.002289 ! Fit after self-cal, rms=0.327496Jy sigma=0.002078 ! 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 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 milli-arcsec ! Estimated beam: bmin=0.6397 mas, bmaj=1.976 mas, bpa=-1.659 degrees ! Estimated noise=3235.36 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 = 0.654375 Jy ! Component: 100 - total flux cleaned = 0.834263 Jy ! Total flux subtracted in 100 components = 0.834263 Jy ! Clean residual min=-0.048892 max=0.093537 Jy/beam ! Clean residual mean=0.004081 rms=0.024387 Jy/beam ! Combined flux in latest and established models = 0.834263 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.834263 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.290005Jy sigma=0.002071 ! Fit after self-cal, rms=0.289645Jy sigma=0.002068 ! Inverting map ! Your choice of large map pixels excluded 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 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 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 milli-arcsec ! Estimated beam: bmin=0.7641 mas, bmaj=2.286 mas, bpa=-4.867 degrees ! Estimated noise=2359.26 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 = 0.13442 Jy ! Component: 100 - total flux cleaned = 0.195862 Jy ! Component: 150 - total flux cleaned = 0.224351 Jy ! Component: 200 - total flux cleaned = 0.237565 Jy ! Total flux subtracted in 200 components = 0.237565 Jy ! Clean residual min=-0.034965 max=0.051723 Jy/beam ! Clean residual mean=0.001318 rms=0.014822 Jy/beam ! Combined flux in latest and established models = 1.07183 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 17 components and 1.07183 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.239130Jy sigma=0.001560 ! Fit after self-cal, rms=0.239088Jy sigma=0.001559 ! Inverting map ! Your choice of large map pixels excluded 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 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 0.92 HH 1.00* HN 1.00* ! KK 1.00* KP 0.98 LA 0.95 MK 1.00* ! NL 1.07 NY 1.00* ON 1.00* PT 1.01 ! SC 0.98 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.98 HH 1.00* HN 1.00* ! KK 1.56 KP 0.98 LA 0.97 MK 0.82 ! NL 1.41 NY 1.00* ON 1.00* PT 1.01 ! SC 1.06 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.94 HH 1.00* HN 1.00* ! KK 1.00* KP 0.89 LA 0.92 MK 1.00* ! NL 1.05 NY 1.00* ON 1.00* PT 1.01 ! SC 0.98 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.96 HH 1.00* HN 1.00* ! KK 1.51 KP 0.91 LA 0.92 MK 0.85 ! NL 1.40 NY 1.00* ON 1.00* PT 0.99 ! SC 1.01 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.93 HH 1.00* HN 1.00* ! KK 1.00* KP 0.95 LA 0.94 MK 1.00* ! NL 1.06 NY 1.00* ON 1.00* PT 0.98 ! SC 1.00 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.94 HH 1.00* HN 1.00* ! KK 1.52 KP 0.95 LA 0.98 MK 0.85 ! NL 1.40 NY 1.00* ON 1.00* PT 0.99 ! SC 1.00 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 HH 1.00* HN 1.00* ! KK 1.00* KP 0.93 LA 0.91 MK 1.00* ! NL 1.10 NY 1.00* ON 1.00* PT 1.02 ! SC 1.05 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.96 HH 1.00* HN 1.00* ! KK 1.48 KP 0.93 LA 0.96 MK 0.85 ! NL 1.39 NY 1.00* ON 1.00* PT 1.05 ! SC 1.03 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.239088Jy sigma=0.001559 ! Fit after self-cal, rms=0.217314Jy sigma=0.001165 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 milli-arcsec ! Estimated beam: bmin=0.7783 mas, bmaj=2.31 mas, bpa=-4.313 degrees ! Estimated noise=2372.54 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) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00694693 Jy ! Component: 100 - total flux cleaned = -0.0071585 Jy ! Component: 150 - total flux cleaned = -0.00731351 Jy ! Component: 200 - total flux cleaned = -0.00742395 Jy ! Total flux subtracted in 200 components = -0.00742395 Jy ! Clean residual min=-0.011176 max=0.012368 Jy/beam ! Clean residual mean=0.000235 rms=0.002861 Jy/beam ! Combined flux in latest and established models = 1.0644 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 29 components and 1.0644 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.216341Jy sigma=0.001162 ! Fit after self-cal, rms=0.217141Jy sigma=0.001161 ! Inverting map ! Your choice of large map pixels excluded 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 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=0.217141Jy sigma=0.001161 ! Fit after self-cal, rms=0.217212Jy sigma=0.001159 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 milli-arcsec ! Estimated beam: bmin=0.781 mas, bmaj=2.313 mas, bpa=-4.1 degrees ! Estimated noise=2371.47 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00485695 Jy ! Component: 100 - total flux cleaned = -0.00500672 Jy ! Component: 150 - total flux cleaned = -0.00511838 Jy ! Component: 200 - total flux cleaned = -0.00520234 Jy ! Total flux subtracted in 200 components = -0.00520234 Jy ! Clean residual min=-0.010581 max=0.012751 Jy/beam ! Clean residual mean=0.000329 rms=0.002786 Jy/beam ! Combined flux in latest and established models = 1.0592 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 32 components and 1.0592 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.216651Jy sigma=0.001158 ! Fit after self-cal, rms=0.216649Jy sigma=0.001158 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 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, -0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00786372 Jy ! Component: 100 - total flux cleaned = 0.00718401 Jy ! Component: 150 - total flux cleaned = 0.00718665 Jy ! Component: 200 - total flux cleaned = 0.00718813 Jy ! Total flux subtracted in 200 components = 0.00718813 Jy ! Clean residual min=-0.009696 max=0.009493 Jy/beam ! Clean residual mean=0.000135 rms=0.002507 Jy/beam ! Combined flux in latest and established models = 1.06639 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 41 components and 1.06639 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215765Jy sigma=0.001153 ! Fit after self-cal, rms=0.215732Jy sigma=0.001153 ! Inverting map ! Your choice of large map pixels excluded 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 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=0.215732Jy sigma=0.001153 ! Fit after self-cal, rms=0.214962Jy sigma=0.001151 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 milli-arcsec ! Estimated beam: bmin=0.7816 mas, bmaj=2.309 mas, bpa=-3.827 degrees ! Estimated noise=2365.71 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000889907 Jy ! Component: 100 - total flux cleaned = -0.00124593 Jy ! Component: 150 - total flux cleaned = -0.00095573 Jy ! Component: 200 - total flux cleaned = -0.00095327 Jy ! Total flux subtracted in 200 components = -0.00095327 Jy ! Clean residual min=-0.007643 max=0.008796 Jy/beam ! Clean residual mean=0.000236 rms=0.002256 Jy/beam ! Combined flux in latest and established models = 1.06544 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 49 components and 1.06544 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214498Jy sigma=0.001149 ! Fit after self-cal, rms=0.214476Jy sigma=0.001149 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 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 = 0.000510458 Jy ! Component: 100 - total flux cleaned = 0.000511441 Jy ! Component: 150 - total flux cleaned = 0.000513216 Jy ! Component: 200 - total flux cleaned = 0.000417289 Jy ! Total flux subtracted in 200 components = 0.000417289 Jy ! Clean residual min=-0.007523 max=0.008811 Jy/beam ! Clean residual mean=0.000229 rms=0.002206 Jy/beam ! Combined flux in latest and established models = 1.06585 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 55 components and 1.06585 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214304Jy sigma=0.001149 ! Fit after self-cal, rms=0.214293Jy sigma=0.001149 ! Inverting map ! Your choice of large map pixels excluded 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 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=0.214293Jy sigma=0.001149 ! Fit after self-cal, rms=0.214133Jy sigma=0.001148 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 milli-arcsec ! Estimated beam: bmin=2.837 mas, bmaj=9.12 mas, bpa=-2.41 degrees ! Estimated noise=3066.07 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00234108 Jy ! Component: 100 - total flux cleaned = -0.0024058 Jy ! Component: 150 - total flux cleaned = -0.00245813 Jy ! Component: 200 - total flux cleaned = -0.00250176 Jy ! Total flux subtracted in 200 components = -0.00250176 Jy ! Clean residual min=-0.004889 max=0.006496 Jy/beam ! Clean residual mean=0.000622 rms=0.002010 Jy/beam ! Combined flux in latest and established models = 1.06335 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 59 components and 1.06335 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214150Jy sigma=0.001148 ! Fit after self-cal, rms=0.214095Jy sigma=0.001148 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 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 = 0.000331854 Jy ! Component: 100 - total flux cleaned = 0.000285652 Jy ! Component: 150 - total flux cleaned = 0.00024472 Jy ! Component: 200 - total flux cleaned = 0.000249561 Jy ! Total flux subtracted in 200 components = 0.000249561 Jy ! Clean residual min=-0.004897 max=0.006343 Jy/beam ! Clean residual mean=0.000620 rms=0.001975 Jy/beam ! Combined flux in latest and established models = 1.0636 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 61 components and 1.0636 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214119Jy sigma=0.001148 ! Fit after self-cal, rms=0.214085Jy sigma=0.001147 ! Inverting map ! Your choice of large map pixels excluded 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 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 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 milli-arcsec ! Estimated beam: bmin=0.7827 mas, bmaj=2.31 mas, bpa=-3.661 degrees ! Estimated noise=2363.25 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7827 x 2.31 at -3.661 degrees (North through East) ! Clean map min=-0.0075087 max=0.90361 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=0.214085Jy sigma=0.001147 ! Fit after self-cal, rms=0.201433Jy sigma=0.001027 ! Inverting map and beam ! Your choice of large map pixels excluded 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 milli-arcsec ! Estimated beam: bmin=0.7838 mas, bmaj=2.313 mas, bpa=-3.712 degrees ! Estimated noise=2360.69 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00315114 Jy ! Component: 100 - total flux cleaned = -0.00315738 Jy ! Component: 150 - total flux cleaned = -0.00323906 Jy ! Component: 200 - total flux cleaned = -0.00324021 Jy ! Total flux subtracted in 200 components = -0.00324021 Jy ! Clean residual min=-0.006275 max=0.008211 Jy/beam ! Clean residual mean=0.000347 rms=0.002078 Jy/beam ! Combined flux in latest and established models = 1.06036 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 65 components and 1.06036 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201166Jy sigma=0.001026 ! Fit after self-cal, rms=0.201151Jy sigma=0.001026 ! Inverting map ! Your choice of large map pixels excluded 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00019255 Jy ! Component: 100 - total flux cleaned = 0.000330327 Jy ! Component: 150 - total flux cleaned = 0.000331497 Jy ! Component: 200 - total flux cleaned = 0.000395157 Jy ! Total flux subtracted in 200 components = 0.000395157 Jy ! Clean residual min=-0.006164 max=0.008200 Jy/beam ! Clean residual mean=0.000341 rms=0.002057 Jy/beam ! Combined flux in latest and established models = 1.06076 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 68 components and 1.06076 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201067Jy sigma=0.001026 ! Fit after self-cal, rms=0.201055Jy sigma=0.001026 ! Inverting map ! Your choice of large map pixels excluded 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201055Jy sigma=0.001026 ! Fit after self-cal, rms=0.201283Jy sigma=0.001025 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 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 milli-arcsec ! Estimated beam: bmin=0.6534 mas, bmaj=2 mas, bpa=-0.08657 degrees ! Estimated noise=3285.33 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.665066 Jy ! Component: 100 - total flux cleaned = 0.846012 Jy ! Component: 150 - total flux cleaned = 0.933995 Jy ! Component: 200 - total flux cleaned = 0.983048 Jy ! Total flux subtracted in 200 components = 0.983048 Jy ! Clean residual min=-0.017146 max=0.029262 Jy/beam ! Clean residual mean=0.001005 rms=0.006569 Jy/beam ! Combined flux in latest and established models = 0.983048 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 15 model components to the UV plane model. ! The established model now contains 15 components and 0.983048 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 milli-arcsec ! Estimated beam: bmin=0.7852 mas, bmaj=2.315 mas, bpa=-3.607 degrees ! Estimated noise=2359.75 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 = 0.0379272 Jy ! Component: 100 - total flux cleaned = 0.0578638 Jy ! Component: 150 - total flux cleaned = 0.0675276 Jy ! Component: 200 - total flux cleaned = 0.0697135 Jy ! Total flux subtracted in 200 components = 0.0697135 Jy ! Clean residual min=-0.007760 max=0.009227 Jy/beam ! Clean residual mean=0.000539 rms=0.002523 Jy/beam ! Combined flux in latest and established models = 1.05276 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 30 components and 1.05276 Jy ! Inverting map ! Your choice of large map pixels excluded 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 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 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 milli-arcsec ! Estimated beam: bmin=2.841 mas, bmaj=9.139 mas, bpa=-2.393 degrees ! Estimated noise=3047.1 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00423118 Jy ! Component: 100 - total flux cleaned = 0.0043292 Jy ! Component: 150 - total flux cleaned = 0.00467328 Jy ! Component: 200 - total flux cleaned = 0.00490287 Jy ! Total flux subtracted in 200 components = 0.00490287 Jy ! Clean residual min=-0.004589 max=0.006146 Jy/beam ! Clean residual mean=0.000796 rms=0.002033 Jy/beam ! Combined flux in latest and established models = 1.05766 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 = 0.000207587 Jy ! Component: 100 - total flux cleaned = 0.000395223 Jy ! Component: 150 - total flux cleaned = 0.000562784 Jy ! Component: 200 - total flux cleaned = 0.000717011 Jy ! Total flux subtracted in 200 components = 0.000717011 Jy ! Clean residual min=-0.004592 max=0.006061 Jy/beam ! Clean residual mean=0.000767 rms=0.001993 Jy/beam ! Combined flux in latest and established models = 1.05838 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 44 components and 1.05838 Jy ! Inverting map ! Your choice of large map pixels excluded 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 milli-arcsec ! Estimated beam: bmin=0.7852 mas, bmaj=2.315 mas, bpa=-3.607 degrees ! Estimated noise=2359.75 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00079417 Jy ! Component: 100 - total flux cleaned = -9.46294e-05 Jy ! Component: 150 - total flux cleaned = 0.000377183 Jy ! Component: 200 - total flux cleaned = 0.000586199 Jy ! Total flux subtracted in 200 components = 0.000586199 Jy ! Clean residual min=-0.006420 max=0.008716 Jy/beam ! Clean residual mean=0.000353 rms=0.002109 Jy/beam ! Combined flux in latest and established models = 1.05897 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 56 components and 1.05897 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201545Jy sigma=0.001027 ! Fit after self-cal, rms=0.201359Jy sigma=0.001026 wmodel J1147-3812_X_2008_07_09_pus_map.mod ! Writing 56 model components to file: J1147-3812_X_2008_07_09_pus_map.mod wobs J1147-3812_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J1147-3812_X_2008_07_09_pus_uvs.fits wwins J1147-3812_X_2008_07_09_pus_map.win ! wwins: Wrote 2 windows to J1147-3812_X_2008_07_09_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 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00292971 Jy ! Component: 100 - total flux cleaned = 0.00397341 Jy ! Component: 150 - total flux cleaned = 0.0048194 Jy ! Component: 200 - total flux cleaned = 0.00621947 Jy ! Component: 250 - total flux cleaned = 0.00753911 Jy ! Component: 300 - total flux cleaned = 0.00870825 Jy ! Component: 350 - total flux cleaned = 0.00965194 Jy ! Component: 400 - total flux cleaned = 0.010555 Jy ! Component: 450 - total flux cleaned = 0.0115809 Jy ! Component: 500 - total flux cleaned = 0.0121882 Jy ! Component: 550 - total flux cleaned = 0.0127032 Jy ! Component: 600 - total flux cleaned = 0.0132732 Jy ! Component: 650 - total flux cleaned = 0.0139625 Jy ! Component: 700 - total flux cleaned = 0.0145651 Jy ! Component: 750 - total flux cleaned = 0.0152182 Jy ! Component: 800 - total flux cleaned = 0.0159825 Jy ! Component: 850 - total flux cleaned = 0.0167907 Jy ! Component: 900 - total flux cleaned = 0.0174603 Jy ! Component: 950 - total flux cleaned = 0.0181762 Jy ! Component: 1000 - total flux cleaned = 0.0188192 Jy ! Total flux subtracted in 1024 components = 0.0192223 Jy ! Clean residual min=-0.003273 max=0.003818 Jy/beam ! Clean residual mean=0.000107 rms=0.001215 Jy/beam ! Combined flux in latest and established models = 1.07819 Jy keep ! Adding 46 model components to the UV plane model. ! The established model now contains 102 components and 1.07819 Jy wmap "J1147-3812_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7852 x 2.315 at -3.607 degrees (North through East) ! Clean map min=-0.0072678 max=0.8947 Jy/beam ! Writing clean map to FITS file: J1147-3812_X_2008_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.894704 invert ! Inverting map ! Your choice of large map pixels excluded 2.03% of the data. ! The x-axis pixel size should ideally be below 0.1906 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00120756 device "J1147-3812_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J1147-3812_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.404901 0.404901 0.809802 1.6196 3.23921 6.47842 12.9568 25.9137 51.8273 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0036 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.894 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7852 x 2.315 at -3.607 degrees (North through East) ! Clean map min=-0.0072678 max=0.8947 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1147-3812_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J1147-3812_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1147-3812_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 20:18:04 2010