! Started logfile: J0303-2407_X_2008_07_09_pus_uvs.log on Sun Oct 10 20:16:10 2010 obs J0303-2407_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J0303-2407_X_2008_07_09_pus_uva.fits ! AN table 1: 106 integrations on 105 of 105 possible baselines. ! AN table 2: 96 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.314851 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0303-2407 ! ! 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 26712 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 678 telescope corrections were flagged in sub-array 1. ! A total of 629 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 678 telescope corrections were flagged in sub-array 1. ! A total of 629 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 678 telescope corrections were flagged in sub-array 1. ! A total of 629 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 678 telescope corrections were flagged in sub-array 1. ! A total of 629 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.962085Jy sigma=0.008238 ! Fit after self-cal, rms=0.893173Jy sigma=0.007687 ! 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 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Estimated beam: bmin=0.6429 mas, bmaj=1.724 mas, bpa=-8.239 degrees ! Estimated noise=942.696 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 = 0.0925216 Jy ! Component: 100 - total flux cleaned = 0.115406 Jy ! Total flux subtracted in 100 components = 0.115406 Jy ! Clean residual min=-0.006162 max=0.010462 Jy/beam ! Clean residual mean=0.000220 rms=0.002186 Jy/beam ! Combined flux in latest and established models = 0.115406 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.115406 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174500Jy sigma=0.001252 ! Fit after self-cal, rms=0.174316Jy sigma=0.001251 ! Inverting map ! Your choice of large map pixels excluded 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 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 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Estimated beam: bmin=0.8024 mas, bmaj=1.999 mas, bpa=-6.02 degrees ! Estimated noise=506.946 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 = 0.0132071 Jy ! Component: 100 - total flux cleaned = 0.0195461 Jy ! Component: 150 - total flux cleaned = 0.0229937 Jy ! Component: 200 - total flux cleaned = 0.0241298 Jy ! Total flux subtracted in 200 components = 0.0241298 Jy ! Clean residual min=-0.003391 max=0.006669 Jy/beam ! Clean residual mean=0.000059 rms=0.001316 Jy/beam ! Combined flux in latest and established models = 0.139536 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 18 components and 0.139536 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173356Jy sigma=0.001241 ! Fit after self-cal, rms=0.173368Jy sigma=0.001240 ! Inverting map ! Your choice of large map pixels excluded 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Added new window around map position (-1.4, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00620796 Jy ! Component: 100 - total flux cleaned = 0.0077512 Jy ! Component: 150 - total flux cleaned = 0.00801554 Jy ! Component: 200 - total flux cleaned = 0.00808639 Jy ! Total flux subtracted in 200 components = 0.00808639 Jy ! Clean residual min=-0.003395 max=0.003834 Jy/beam ! Clean residual mean=-0.000031 rms=0.001046 Jy/beam ! Combined flux in latest and established models = 0.147623 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 42 components and 0.147623 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173137Jy sigma=0.001238 ! Fit after self-cal, rms=0.173082Jy sigma=0.001238 ! Inverting map ! Your choice of large map pixels excluded 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 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 1.02 FD 0.96 HH 1.00* HN 1.12 ! KK 1.00* KP 1.02 LA 0.99 MK 1.02 ! NL 1.07 NY 1.00* ON 1.00* PT 1.03 ! SC 0.95 WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.90 FD 0.96 HH 1.00* HN 1.12 ! KK 1.00* KP 1.01 LA 0.96 MK 1.06 ! NL 0.99 NY 1.00* ON 1.00* PT 1.05 ! SC 0.99 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 HH 1.00* HN 1.62 ! KK 1.00* KP 0.94 LA 1.01 MK 0.98 ! NL 1.08 NY 1.00* ON 1.00* PT 1.03 ! SC 0.98 WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.93 HH 1.00* HN 1.06 ! KK 1.00* KP 0.95 LA 0.95 MK 1.03 ! NL 1.00 NY 1.00* ON 1.00* PT 1.05 ! SC 0.98 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.95 HH 1.00* HN 0.95 ! KK 1.00* KP 1.00 LA 1.07 MK 0.98 ! NL 1.18 NY 1.00* ON 1.00* PT 1.00 ! SC 0.98 WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.98 HH 1.00* HN 1.03 ! KK 1.00* KP 0.97 LA 0.97 MK 1.05 ! NL 0.98 NY 1.00* ON 1.00* PT 1.03 ! SC 0.96 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.95 HH 1.00* HN 1.01 ! KK 1.00* KP 0.98 LA 1.03 MK 0.97 ! NL 1.02 NY 1.00* ON 1.00* PT 1.12 ! SC 1.00 WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.87 FD 0.91 HH 1.00* HN 0.87 ! KK 1.00* KP 1.00 LA 0.99 MK 1.01 ! NL 1.03 NY 1.00* ON 1.00* PT 1.15 ! SC 0.92 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.173082Jy sigma=0.001238 ! Fit after self-cal, rms=0.176356Jy sigma=0.001234 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Estimated beam: bmin=0.8027 mas, bmaj=1.99 mas, bpa=-5.603 degrees ! Estimated noise=508.887 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 = 0.00190316 Jy ! Component: 100 - total flux cleaned = 0.00212676 Jy ! Component: 150 - total flux cleaned = 0.00216236 Jy ! Component: 200 - total flux cleaned = 0.00219711 Jy ! Total flux subtracted in 200 components = 0.00219711 Jy ! Clean residual min=-0.002341 max=0.002583 Jy/beam ! Clean residual mean=-0.000020 rms=0.000702 Jy/beam ! Combined flux in latest and established models = 0.14982 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 58 components and 0.14982 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.176330Jy sigma=0.001234 ! Fit after self-cal, rms=0.176496Jy sigma=0.001233 ! Inverting map ! Your choice of large map pixels excluded 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 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=0.176496Jy sigma=0.001233 ! Fit after self-cal, rms=0.177409Jy sigma=0.001233 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Estimated beam: bmin=0.8015 mas, bmaj=1.986 mas, bpa=-5.446 degrees ! Estimated noise=509.689 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00141567 Jy ! Component: 100 - total flux cleaned = 0.00167181 Jy ! Component: 150 - total flux cleaned = 0.00176549 Jy ! Component: 200 - total flux cleaned = 0.00179555 Jy ! Total flux subtracted in 200 components = 0.00179555 Jy ! Clean residual min=-0.002311 max=0.002589 Jy/beam ! Clean residual mean=-0.000018 rms=0.000673 Jy/beam ! Combined flux in latest and established models = 0.151615 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 64 components and 0.151615 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177392Jy sigma=0.001233 ! Fit after self-cal, rms=0.177402Jy sigma=0.001233 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 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 = 0.000266551 Jy ! Component: 100 - total flux cleaned = 0.000295293 Jy ! Component: 150 - total flux cleaned = 0.000294282 Jy ! Component: 200 - total flux cleaned = 0.000294517 Jy ! Total flux subtracted in 200 components = 0.000294517 Jy ! Clean residual min=-0.002291 max=0.002515 Jy/beam ! Clean residual mean=-0.000022 rms=0.000664 Jy/beam ! Combined flux in latest and established models = 0.15191 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 66 components and 0.15191 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177394Jy sigma=0.001233 ! Fit after self-cal, rms=0.177392Jy sigma=0.001233 ! Inverting map ! Your choice of large map pixels excluded 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 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=0.177392Jy sigma=0.001233 ! Fit after self-cal, rms=0.177476Jy sigma=0.001233 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Estimated beam: bmin=0.8009 mas, bmaj=1.984 mas, bpa=-5.374 degrees ! Estimated noise=510.764 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00107786 Jy ! Component: 100 - total flux cleaned = 0.00130464 Jy ! Component: 150 - total flux cleaned = 0.00140883 Jy ! Component: 200 - total flux cleaned = 0.00145839 Jy ! Total flux subtracted in 200 components = 0.00145839 Jy ! Clean residual min=-0.002266 max=0.002419 Jy/beam ! Clean residual mean=-0.000016 rms=0.000647 Jy/beam ! Combined flux in latest and established models = 0.153368 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 70 components and 0.153368 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177464Jy sigma=0.001233 ! Fit after self-cal, rms=0.177456Jy sigma=0.001233 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 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 = 0.000230276 Jy ! Component: 100 - total flux cleaned = 0.000277309 Jy ! Component: 150 - total flux cleaned = 0.000298678 Jy ! Component: 200 - total flux cleaned = 0.000297858 Jy ! Total flux subtracted in 200 components = 0.000297858 Jy ! Clean residual min=-0.002238 max=0.002336 Jy/beam ! Clean residual mean=-0.000020 rms=0.000643 Jy/beam ! Combined flux in latest and established models = 0.153666 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 72 components and 0.153666 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177451Jy sigma=0.001233 ! Fit after self-cal, rms=0.177449Jy sigma=0.001233 ! Inverting map ! Your choice of large map pixels excluded 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 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=0.177449Jy sigma=0.001233 ! Fit after self-cal, rms=0.177559Jy sigma=0.001233 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Estimated beam: bmin=2.173 mas, bmaj=4.618 mas, bpa=3.078 degrees ! Estimated noise=670.537 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00182404 Jy ! Component: 100 - total flux cleaned = 0.00172069 Jy ! Component: 150 - total flux cleaned = 0.00172163 Jy ! Component: 200 - total flux cleaned = 0.00172183 Jy ! Total flux subtracted in 200 components = 0.00172183 Jy ! Clean residual min=-0.002409 max=0.002066 Jy/beam ! Clean residual mean=-0.000054 rms=0.000775 Jy/beam ! Combined flux in latest and established models = 0.155388 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 74 components and 0.155388 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177564Jy sigma=0.001233 ! Fit after self-cal, rms=0.177547Jy sigma=0.001233 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 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 = 0.000438075 Jy ! Component: 100 - total flux cleaned = 0.000415271 Jy ! Component: 150 - total flux cleaned = 0.000395975 Jy ! Component: 200 - total flux cleaned = 0.000396464 Jy ! Total flux subtracted in 200 components = 0.000396464 Jy ! Clean residual min=-0.002398 max=0.002050 Jy/beam ! Clean residual mean=-0.000063 rms=0.000765 Jy/beam ! Combined flux in latest and established models = 0.155784 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 77 components and 0.155784 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177552Jy sigma=0.001233 ! Fit after self-cal, rms=0.177549Jy sigma=0.001233 ! Inverting map ! Your choice of large map pixels excluded 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 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 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Estimated beam: bmin=0.8004 mas, bmaj=1.982 mas, bpa=-5.329 degrees ! Estimated noise=511.759 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8004 x 1.982 at -5.329 degrees (North through East) ! Clean map min=-0.0020172 max=0.11908 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 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 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Estimated beam: bmin=0.6466 mas, bmaj=1.713 mas, bpa=-7.464 degrees ! Estimated noise=945.27 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0916599 Jy ! Component: 100 - total flux cleaned = 0.116023 Jy ! Component: 150 - total flux cleaned = 0.128855 Jy ! Component: 200 - total flux cleaned = 0.136517 Jy ! Total flux subtracted in 200 components = 0.136517 Jy ! Clean residual min=-0.004989 max=0.005294 Jy/beam ! Clean residual mean=0.000094 rms=0.001474 Jy/beam ! Combined flux in latest and established models = 0.136517 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.136517 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Estimated beam: bmin=0.8004 mas, bmaj=1.982 mas, bpa=-5.329 degrees ! Estimated noise=511.759 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 (-2.8, -2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0077829 Jy ! Component: 100 - total flux cleaned = 0.01258 Jy ! Component: 150 - total flux cleaned = 0.015708 Jy ! Component: 200 - total flux cleaned = 0.0178664 Jy ! Total flux subtracted in 200 components = 0.0178664 Jy ! Clean residual min=-0.002394 max=0.002393 Jy/beam ! Clean residual mean=0.000004 rms=0.000680 Jy/beam ! Combined flux in latest and established models = 0.154383 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 48 components and 0.154383 Jy ! Inverting map ! Your choice of large map pixels excluded 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 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 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Estimated beam: bmin=2.173 mas, bmaj=4.618 mas, bpa=3.078 degrees ! Estimated noise=670.537 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00207275 Jy ! Component: 100 - total flux cleaned = 0.0022708 Jy ! Component: 150 - total flux cleaned = 0.00218796 Jy ! Component: 200 - total flux cleaned = 0.00218745 Jy ! Total flux subtracted in 200 components = 0.00218745 Jy ! Clean residual min=-0.002415 max=0.001949 Jy/beam ! Clean residual mean=-0.000070 rms=0.000748 Jy/beam ! Combined flux in latest and established models = 0.156571 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 = -3.70318e-05 Jy ! Component: 100 - total flux cleaned = -7.15555e-05 Jy ! Component: 150 - total flux cleaned = -0.000101575 Jy ! Component: 200 - total flux cleaned = -0.000129773 Jy ! Total flux subtracted in 200 components = -0.000129773 Jy ! Clean residual min=-0.002313 max=0.001882 Jy/beam ! Clean residual mean=-0.000073 rms=0.000715 Jy/beam ! Combined flux in latest and established models = 0.156441 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 68 components and 0.156441 Jy ! Inverting map ! Your choice of large map pixels excluded 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Estimated beam: bmin=0.8004 mas, bmaj=1.982 mas, bpa=-5.329 degrees ! Estimated noise=511.759 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000118501 Jy ! Component: 100 - total flux cleaned = -3.67361e-05 Jy ! Component: 150 - total flux cleaned = -3.52665e-05 Jy ! Component: 200 - total flux cleaned = -6.71905e-05 Jy ! Total flux subtracted in 200 components = -6.71905e-05 Jy ! Clean residual min=-0.002037 max=0.001627 Jy/beam ! Clean residual mean=-0.000032 rms=0.000586 Jy/beam ! Combined flux in latest and established models = 0.156374 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 81 components and 0.156374 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177537Jy sigma=0.001232 ! Fit after self-cal, rms=0.177528Jy sigma=0.001232 wmodel J0303-2407_X_2008_07_09_pus_map.mod ! Writing 81 model components to file: J0303-2407_X_2008_07_09_pus_map.mod wobs J0303-2407_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J0303-2407_X_2008_07_09_pus_uvs.fits wwins J0303-2407_X_2008_07_09_pus_map.win ! wwins: Wrote 3 windows to J0303-2407_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 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000895032 Jy ! Component: 100 - total flux cleaned = -0.00151021 Jy ! Component: 150 - total flux cleaned = -0.00196184 Jy ! Component: 200 - total flux cleaned = -0.00213415 Jy ! Component: 250 - total flux cleaned = -0.00227157 Jy ! Component: 300 - total flux cleaned = -0.00235117 Jy ! Component: 350 - total flux cleaned = -0.00258307 Jy ! Component: 400 - total flux cleaned = -0.00283333 Jy ! Component: 450 - total flux cleaned = -0.00302867 Jy ! Component: 500 - total flux cleaned = -0.00326711 Jy ! Component: 550 - total flux cleaned = -0.00345417 Jy ! Component: 600 - total flux cleaned = -0.00359145 Jy ! Component: 650 - total flux cleaned = -0.00370359 Jy ! Component: 700 - total flux cleaned = -0.00379167 Jy ! Component: 750 - total flux cleaned = -0.00385655 Jy ! Component: 800 - total flux cleaned = -0.00389907 Jy ! Component: 850 - total flux cleaned = -0.00396168 Jy ! Component: 900 - total flux cleaned = -0.00396173 Jy ! Component: 950 - total flux cleaned = -0.00404265 Jy ! Component: 1000 - total flux cleaned = -0.00408233 Jy ! Total flux subtracted in 1024 components = -0.00410192 Jy ! Clean residual min=-0.001284 max=0.001229 Jy/beam ! Clean residual mean=0.000002 rms=0.000425 Jy/beam ! Combined flux in latest and established models = 0.152272 Jy keep ! Adding 69 model components to the UV plane model. ! The established model now contains 150 components and 0.152272 Jy wmap "J0303-2407_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8004 x 1.982 at -5.329 degrees (North through East) ! Clean map min=-0.0016329 max=0.11918 Jy/beam ! Writing clean map to FITS file: J0303-2407_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 0.119182 invert ! Inverting map ! Your choice of large map pixels excluded 0.757% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000425652 device "J0303-2407_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J0303-2407_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.07143 1.07143 2.14287 4.28573 8.57146 17.1429 34.2859 68.5717 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0012 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.119 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8004 x 1.982 at -5.329 degrees (North through East) ! Clean map min=-0.0016329 max=0.11918 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0303-2407_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J0303-2407_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0303-2407_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 20:16:14 2010