! Started logfile: J0522-3627_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:45:42 2010 obs J0522-3627_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0522-3627_X_2008_04_02_pus_uva.fits ! AN table 1: 108 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.11142 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0522-3627 ! ! 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 2284 lines of history. ! ! Reading 5776 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 1217 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1217 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1217 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1217 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.867317Jy sigma=0.006849 ! Fit after self-cal, rms=0.327904Jy sigma=0.002414 ! 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 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.6606 mas, bmaj=1.902 mas, bpa=-11.4 degrees ! Estimated noise=2076.7 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 = 0.668687 Jy ! Component: 100 - total flux cleaned = 0.87341 Jy ! Total flux subtracted in 100 components = 0.87341 Jy ! Clean residual min=-0.044430 max=0.111510 Jy/beam ! Clean residual mean=-0.000360 rms=0.014547 Jy/beam ! Combined flux in latest and established models = 0.87341 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.87341 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.309518Jy sigma=0.002560 ! Fit after self-cal, rms=0.309312Jy sigma=0.002559 ! Inverting map ! Your choice of large map pixels excluded 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Added new window around map position (0.2, -3.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.111074 Jy ! Component: 100 - total flux cleaned = 0.178415 Jy ! Total flux subtracted in 100 components = 0.178415 Jy ! Clean residual min=-0.038453 max=0.056621 Jy/beam ! Clean residual mean=-0.000294 rms=0.009585 Jy/beam ! Combined flux in latest and established models = 1.05183 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 27 components and 1.05183 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.234962Jy sigma=0.001853 ! Fit after self-cal, rms=0.234067Jy sigma=0.001846 ! Inverting map ! Your choice of large map pixels excluded 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.869 mas, bmaj=2.649 mas, bpa=-15.27 degrees ! Estimated noise=1190.44 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 = 0.0915797 Jy ! Component: 100 - total flux cleaned = 0.135127 Jy ! Component: 150 - total flux cleaned = 0.153675 Jy ! Component: 200 - total flux cleaned = 0.156187 Jy ! Total flux subtracted in 200 components = 0.156187 Jy ! Clean residual min=-0.035069 max=0.043631 Jy/beam ! Clean residual mean=-0.000787 rms=0.010612 Jy/beam ! Combined flux in latest and established models = 1.20801 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 46 components and 1.20801 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201178Jy sigma=0.001543 ! Fit after self-cal, rms=0.200413Jy sigma=0.001536 ! Inverting map ! Your choice of large map pixels excluded 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 39 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.01 HH 1.00* HN 1.39 ! KK 0.99 KP 0.98 LA 0.96 MK 0.97 ! NL 1.04 NY 1.00* ON 1.00* OV 1.04 ! PT 1.01 SC 1.05 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 39 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.01 HH 1.00* HN 1.31 ! KK 0.98 KP 0.93 LA 0.95 MK 0.96 ! NL 1.01 NY 1.00* ON 1.00* OV 1.01 ! PT 1.00 SC 1.06 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 39 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.02 HH 1.00* HN 1.32 ! KK 1.05 KP 0.96 LA 0.98 MK 0.99 ! NL 1.03 NY 1.00* ON 1.00* OV 1.04 ! PT 1.00 SC 1.03 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 39 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.01 HH 1.00* HN 1.35 ! KK 1.02 KP 0.94 LA 0.96 MK 1.02 ! NL 1.04 NY 1.00* ON 1.00* OV 1.04 ! PT 1.00 SC 1.07 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.200413Jy sigma=0.001536 ! Fit after self-cal, rms=0.195327Jy sigma=0.001456 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.8748 mas, bmaj=2.668 mas, bpa=-15.43 degrees ! Estimated noise=1218.58 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 = -0.00489303 Jy ! Component: 100 - total flux cleaned = -0.00563317 Jy ! Component: 150 - total flux cleaned = -0.0062788 Jy ! Component: 200 - total flux cleaned = -0.00656401 Jy ! Total flux subtracted in 200 components = -0.00656401 Jy ! Clean residual min=-0.027955 max=0.040622 Jy/beam ! Clean residual mean=-0.000517 rms=0.009214 Jy/beam ! Combined flux in latest and established models = 1.20145 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 54 components and 1.20145 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194081Jy sigma=0.001447 ! Fit after self-cal, rms=0.194162Jy sigma=0.001446 ! Inverting map ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194162Jy sigma=0.001446 ! Fit after self-cal, rms=0.190854Jy sigma=0.001399 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.8744 mas, bmaj=2.654 mas, bpa=-15.29 degrees ! Estimated noise=1218.04 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00261104 Jy ! Component: 100 - total flux cleaned = -0.00325537 Jy ! Component: 150 - total flux cleaned = -0.00354695 Jy ! Component: 200 - total flux cleaned = -0.00354741 Jy ! Total flux subtracted in 200 components = -0.00354741 Jy ! Clean residual min=-0.023711 max=0.038221 Jy/beam ! Clean residual mean=-0.000101 rms=0.008025 Jy/beam ! Combined flux in latest and established models = 1.1979 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 57 components and 1.1979 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189838Jy sigma=0.001391 ! Fit after self-cal, rms=0.189808Jy sigma=0.001391 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-22, 20.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0351112 Jy ! Component: 100 - total flux cleaned = 0.0520015 Jy ! Component: 150 - total flux cleaned = 0.0625356 Jy ! Component: 200 - total flux cleaned = 0.0692742 Jy ! Total flux subtracted in 200 components = 0.0692742 Jy ! Clean residual min=-0.022123 max=0.028224 Jy/beam ! Clean residual mean=-0.000197 rms=0.006280 Jy/beam ! Combined flux in latest and established models = 1.26717 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 85 components and 1.26718 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183625Jy sigma=0.001334 ! Fit after self-cal, rms=0.182815Jy sigma=0.001327 ! Inverting map ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Added new window around map position (-3.2, 6.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0252703 Jy ! Component: 100 - total flux cleaned = 0.0360179 Jy ! Component: 150 - total flux cleaned = 0.0376745 Jy ! Component: 200 - total flux cleaned = 0.0387287 Jy ! Total flux subtracted in 200 components = 0.0387287 Jy ! Clean residual min=-0.018687 max=0.021737 Jy/beam ! Clean residual mean=-0.000123 rms=0.005505 Jy/beam ! Combined flux in latest and established models = 1.3059 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 103 components and 1.3059 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179032Jy sigma=0.001294 ! Fit after self-cal, rms=0.178601Jy sigma=0.001291 ! Inverting map ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178601Jy sigma=0.001291 ! Fit after self-cal, rms=0.173528Jy sigma=0.001246 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.8724 mas, bmaj=2.648 mas, bpa=-15.28 degrees ! Estimated noise=1214.94 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0100322 Jy ! Component: 100 - total flux cleaned = 0.0134496 Jy ! Component: 150 - total flux cleaned = 0.0148567 Jy ! Component: 200 - total flux cleaned = 0.0158313 Jy ! Total flux subtracted in 200 components = 0.0158313 Jy ! Clean residual min=-0.016166 max=0.020298 Jy/beam ! Clean residual mean=-0.000091 rms=0.004623 Jy/beam ! Combined flux in latest and established models = 1.32174 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 123 components and 1.32174 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172317Jy sigma=0.001236 ! Fit after self-cal, rms=0.172189Jy sigma=0.001235 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-6.8, 3.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0183552 Jy ! Component: 100 - total flux cleaned = 0.0268594 Jy ! Component: 150 - total flux cleaned = 0.0295831 Jy ! Component: 200 - total flux cleaned = 0.0312546 Jy ! Total flux subtracted in 200 components = 0.0312546 Jy ! Clean residual min=-0.014957 max=0.013751 Jy/beam ! Clean residual mean=-0.000019 rms=0.003849 Jy/beam ! Combined flux in latest and established models = 1.35299 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 149 components and 1.35299 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170266Jy sigma=0.001216 ! Fit after self-cal, rms=0.170090Jy sigma=0.001214 ! Inverting map ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170090Jy sigma=0.001214 ! Fit after self-cal, rms=0.169167Jy sigma=0.001211 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=2.687 mas, bmaj=8.75 mas, bpa=-9.433 degrees ! Estimated noise=1464.33 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.013977 Jy ! Component: 100 - total flux cleaned = 0.0222475 Jy ! Component: 150 - total flux cleaned = 0.0258778 Jy ! Component: 200 - total flux cleaned = 0.0271347 Jy ! Total flux subtracted in 200 components = 0.0271347 Jy ! Clean residual min=-0.016375 max=0.014882 Jy/beam ! Clean residual mean=0.000100 rms=0.005070 Jy/beam ! Combined flux in latest and established models = 1.38013 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 180 components and 1.38013 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168600Jy sigma=0.001205 ! Fit after self-cal, rms=0.168418Jy sigma=0.001204 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0047581 Jy ! Component: 100 - total flux cleaned = 0.00584086 Jy ! Component: 150 - total flux cleaned = 0.00639632 Jy ! Component: 200 - total flux cleaned = 0.00673213 Jy ! Total flux subtracted in 200 components = 0.00673213 Jy ! Clean residual min=-0.015495 max=0.015538 Jy/beam ! Clean residual mean=0.000113 rms=0.005045 Jy/beam ! Combined flux in latest and established models = 1.38686 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 188 components and 1.38686 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168338Jy sigma=0.001203 ! Fit after self-cal, rms=0.168272Jy sigma=0.001202 ! Inverting map ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.8709 mas, bmaj=2.643 mas, bpa=-15.21 degrees ! Estimated noise=1211.22 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8709 x 2.643 at -15.21 degrees (North through East) ! Clean map min=-0.013899 max=0.86153 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=0.168272Jy sigma=0.001202 ! Fit after self-cal, rms=0.154785Jy sigma=0.001077 ! Inverting map and beam ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.8718 mas, bmaj=2.644 mas, bpa=-15.2 degrees ! Estimated noise=1211.35 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00632533 Jy ! Component: 100 - total flux cleaned = 0.00633645 Jy ! Component: 150 - total flux cleaned = 0.00633676 Jy ! Component: 200 - total flux cleaned = 0.00671444 Jy ! Total flux subtracted in 200 components = 0.00671444 Jy ! Clean residual min=-0.013104 max=0.010945 Jy/beam ! Clean residual mean=0.000061 rms=0.003015 Jy/beam ! Combined flux in latest and established models = 1.39357 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 204 components and 1.39357 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154123Jy sigma=0.001072 ! Fit after self-cal, rms=0.154065Jy sigma=0.001071 ! Inverting map ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00226203 Jy ! Component: 100 - total flux cleaned = 0.00225973 Jy ! Component: 150 - total flux cleaned = 0.00210347 Jy ! Component: 200 - total flux cleaned = 0.00195279 Jy ! Total flux subtracted in 200 components = 0.00195279 Jy ! Clean residual min=-0.012753 max=0.010953 Jy/beam ! Clean residual mean=0.000065 rms=0.002970 Jy/beam ! Combined flux in latest and established models = 1.39552 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 214 components and 1.39552 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153693Jy sigma=0.001069 ! Fit after self-cal, rms=0.153664Jy sigma=0.001069 ! Inverting map ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153664Jy sigma=0.001069 ! Fit after self-cal, rms=0.153129Jy sigma=0.001068 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 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.6587 mas, bmaj=1.892 mas, bpa=-11.4 degrees ! Estimated noise=2139.2 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.681161 Jy ! Component: 100 - total flux cleaned = 0.896592 Jy ! Component: 150 - total flux cleaned = 1.00538 Jy ! Component: 200 - total flux cleaned = 1.06925 Jy ! Total flux subtracted in 200 components = 1.06925 Jy ! Clean residual min=-0.027766 max=0.042792 Jy/beam ! Clean residual mean=-0.000095 rms=0.007407 Jy/beam ! Combined flux in latest and established models = 1.06925 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 23 model components to the UV plane model. ! The established model now contains 23 components and 1.06925 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.8711 mas, bmaj=2.642 mas, bpa=-15.15 degrees ! Estimated noise=1209.37 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-1.2, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0748336 Jy ! Component: 100 - total flux cleaned = 0.121567 Jy ! Component: 150 - total flux cleaned = 0.158136 Jy ! Component: 200 - total flux cleaned = 0.187907 Jy ! Total flux subtracted in 200 components = 0.187907 Jy ! Clean residual min=-0.019610 max=0.022360 Jy/beam ! Clean residual mean=-0.000032 rms=0.006400 Jy/beam ! Combined flux in latest and established models = 1.25716 Jy ! Adding 73 model components to the UV plane model. ! The established model now contains 92 components and 1.25716 Jy ! Inverting map ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=2.679 mas, bmaj=8.73 mas, bpa=-9.414 degrees ! Estimated noise=1463.53 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0393431 Jy ! Component: 100 - total flux cleaned = 0.0676675 Jy ! Component: 150 - total flux cleaned = 0.0887441 Jy ! Component: 200 - total flux cleaned = 0.104654 Jy ! Total flux subtracted in 200 components = 0.104654 Jy ! Clean residual min=-0.017082 max=0.015794 Jy/beam ! Clean residual mean=0.000081 rms=0.005352 Jy/beam ! Combined flux in latest and established models = 1.36181 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 = 0.0120896 Jy ! Component: 100 - total flux cleaned = 0.020676 Jy ! Component: 150 - total flux cleaned = 0.0246165 Jy ! Component: 200 - total flux cleaned = 0.0277311 Jy ! Total flux subtracted in 200 components = 0.0277311 Jy ! Clean residual min=-0.015000 max=0.013523 Jy/beam ! Clean residual mean=0.000113 rms=0.004510 Jy/beam ! Combined flux in latest and established models = 1.38955 Jy ! Adding 83 model components to the UV plane model. ! The established model now contains 167 components and 1.38955 Jy ! Inverting map ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.8711 mas, bmaj=2.642 mas, bpa=-15.15 degrees ! Estimated noise=1209.37 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00300978 Jy ! Component: 100 - total flux cleaned = 0.00457673 Jy ! Component: 150 - total flux cleaned = 0.00570954 Jy ! Component: 200 - total flux cleaned = 0.00649806 Jy ! Total flux subtracted in 200 components = 0.00649806 Jy ! Clean residual min=-0.013192 max=0.011096 Jy/beam ! Clean residual mean=0.000087 rms=0.003150 Jy/beam ! Combined flux in latest and established models = 1.39604 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 192 components and 1.39604 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155148Jy sigma=0.001080 ! Fit after self-cal, rms=0.154173Jy sigma=0.001075 wmodel J0522-3627_X_2008_04_02_pus_map.mod ! Writing 192 model components to file: J0522-3627_X_2008_04_02_pus_map.mod wobs J0522-3627_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0522-3627_X_2008_04_02_pus_uvs.fits wwins J0522-3627_X_2008_04_02_pus_map.win ! wwins: Wrote 6 windows to J0522-3627_X_2008_04_02_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 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00289201 Jy ! Component: 100 - total flux cleaned = -0.00421297 Jy ! Component: 150 - total flux cleaned = -0.00421284 Jy ! Component: 200 - total flux cleaned = -0.00436865 Jy ! Component: 250 - total flux cleaned = -0.00451197 Jy ! Component: 300 - total flux cleaned = -0.00379161 Jy ! Component: 350 - total flux cleaned = -0.0029639 Jy ! Component: 400 - total flux cleaned = -0.00189165 Jy ! Component: 450 - total flux cleaned = -0.00098329 Jy ! Component: 500 - total flux cleaned = -0.000102045 Jy ! Component: 550 - total flux cleaned = 0.000385721 Jy ! Component: 600 - total flux cleaned = 0.000978014 Jy ! Component: 650 - total flux cleaned = 0.00144 Jy ! Component: 700 - total flux cleaned = 0.002114 Jy ! Component: 750 - total flux cleaned = 0.00244344 Jy ! Component: 800 - total flux cleaned = 0.00276438 Jy ! Component: 850 - total flux cleaned = 0.00297388 Jy ! Component: 900 - total flux cleaned = 0.00348934 Jy ! Component: 950 - total flux cleaned = 0.00369097 Jy ! Component: 1000 - total flux cleaned = 0.00428534 Jy ! Component: 1050 - total flux cleaned = 0.00457674 Jy ! Component: 1100 - total flux cleaned = 0.00495859 Jy ! Component: 1150 - total flux cleaned = 0.00505203 Jy ! Component: 1200 - total flux cleaned = 0.00523489 Jy ! Component: 1250 - total flux cleaned = 0.00550439 Jy ! Component: 1300 - total flux cleaned = 0.00568062 Jy ! Component: 1350 - total flux cleaned = 0.00594376 Jy ! Component: 1400 - total flux cleaned = 0.00620394 Jy ! Component: 1450 - total flux cleaned = 0.00645876 Jy ! Component: 1500 - total flux cleaned = 0.00637426 Jy ! Component: 1550 - total flux cleaned = 0.00670765 Jy ! Component: 1600 - total flux cleaned = 0.00670767 Jy ! Component: 1650 - total flux cleaned = 0.00670741 Jy ! Component: 1700 - total flux cleaned = 0.00702699 Jy ! Component: 1750 - total flux cleaned = 0.00718384 Jy ! Component: 1800 - total flux cleaned = 0.00710557 Jy ! Component: 1850 - total flux cleaned = 0.0070296 Jy ! Component: 1900 - total flux cleaned = 0.00703128 Jy ! Component: 1950 - total flux cleaned = 0.00733095 Jy ! Component: 2000 - total flux cleaned = 0.00733109 Jy ! Total flux subtracted in 2048 components = 0.00747917 Jy ! Clean residual min=-0.003629 max=0.004120 Jy/beam ! Clean residual mean=-0.000009 rms=0.001430 Jy/beam ! Combined flux in latest and established models = 1.40352 Jy keep ! Adding 138 model components to the UV plane model. ! The established model now contains 329 components and 1.40352 Jy wmap "J0522-3627_X_2008_04_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8711 x 2.642 at -15.15 degrees (North through East) ! Clean map min=-0.0077818 max=0.8827 Jy/beam ! Writing clean map to FITS file: J0522-3627_X_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.882696 invert ! Inverting map ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00141817 device "J0522-3627_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0522-3627_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.481991 0.481991 0.963982 1.92796 3.85593 7.71185 15.4237 30.8474 61.6948 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0042 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.882 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8711 x 2.642 at -15.15 degrees (North through East) ! Clean map min=-0.0077818 max=0.8827 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0522-3627_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0522-3627_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0522-3627_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:45:46 2010