! Started logfile: J1316-3338_X_1999_03_08_pus_uvs.log on Thu Jan 3 18:34:43 2008 obs J1316-3338_X_1999_03_08_pus_uva.fits ! Reading UV FITS file: J1316-3338_X_1999_03_08_pus_uva.fits ! AN table 1: Unused. ! AN table 2: Unused. ! AN table 3: Unused. ! AN table 4: 8 integrations on 190 of 190 possible baselines. ! AN table 5: 225 integrations on 190 of 190 possible baselines. ! AN table 6: Unused. ! Apparent sampling: 0.0975378 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1316-3338 ! ! 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 2585 lines of history. ! ! Reading 17272 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J1316-3338_X_1999_03_08_pus] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 256x256 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 160 telescope corrections were flagged in sub-array 1. ! A total of 3094 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 160 telescope corrections were flagged in sub-array 1. ! A total of 3094 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 160 telescope corrections were flagged in sub-array 1. ! A total of 3114 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 160 telescope corrections were flagged in sub-array 1. ! A total of 3094 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.873551Jy sigma=0.006982 ! Fit after self-cal, rms=0.616452Jy sigma=0.005101 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 milli-arcsec ! Estimated beam: bmin=0.6148 mas, bmaj=1.462 mas, bpa=13.38 degrees ! Estimated noise=1384.47 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 = 0.322305 Jy ! Component: 100 - total flux cleaned = 0.409382 Jy ! Total flux subtracted in 100 components = 0.409382 Jy ! Clean residual min=-0.027073 max=0.057472 Jy/beam ! Clean residual mean=0.000194 rms=0.010677 Jy/beam ! Combined flux in latest and established models = 0.409382 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.409382 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.270346Jy sigma=0.002061 ! Fit after self-cal, rms=0.270248Jy sigma=0.002059 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 milli-arcsec ! Estimated beam: bmin=0.7968 mas, bmaj=1.748 mas, bpa=8.939 degrees ! Estimated noise=632.615 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 = 0.0888197 Jy ! Component: 100 - total flux cleaned = 0.133174 Jy ! Component: 150 - total flux cleaned = 0.156975 Jy ! Component: 200 - total flux cleaned = 0.169954 Jy ! Total flux subtracted in 200 components = 0.169954 Jy ! Clean residual min=-0.023516 max=0.041325 Jy/beam ! Clean residual mean=0.001166 rms=0.008791 Jy/beam ! Combined flux in latest and established models = 0.579336 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 27 components and 0.579336 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.253046Jy sigma=0.001600 ! Fit after self-cal, rms=0.252797Jy sigma=0.001598 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 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 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.09 FD 1.01 GC 1.00* GG 1.00* ! HN 1.11 KP 0.95 LA 0.93 NL 1.14 ! OV 1.01 PT 0.91 SC 0.92 WF 1.05 ! GN 1.28 HH 0.96 KK 0.95 MC 1.00* ! MK 0.96 NY 1.00* ON 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 1.01 GC 1.00* GG 1.00* ! HN 1.12 KP 0.95 LA 0.93 NL 1.16 ! OV 1.00 PT 0.92 SC 0.91 WF 1.08 ! GN 1.30 HH 0.91 KK 0.89 MC 1.00* ! MK 0.97 NY 1.00* ON 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 0.98 GC 1.00* GG 1.00* ! HN 1.03 KP 0.96 LA 0.94 NL 1.50 ! OV 1.02 PT 0.92 SC 1.36 WF 1.03 ! GN 1.25 HH 0.99 KK 0.94 MC 1.00* ! MK 0.93 NY 1.00* ON 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.10 FD 1.00 GC 1.00* GG 1.00* ! HN 1.11 KP 0.95 LA 0.94 NL 1.08 ! OV 0.98 PT 0.91 SC 0.90 WF 0.99 ! GN 1.26 HH 1.25 KK 0.94 MC 1.00* ! MK 0.94 NY 1.00* ON 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.252797Jy sigma=0.001598 ! Fit after self-cal, rms=0.283472Jy sigma=0.001489 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 milli-arcsec ! Estimated beam: bmin=0.7914 mas, bmaj=1.773 mas, bpa=7.755 degrees ! Estimated noise=630.633 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 = 0.00804528 Jy ! Component: 100 - total flux cleaned = 0.00848987 Jy ! Component: 150 - total flux cleaned = 0.00884868 Jy ! Component: 200 - total flux cleaned = 0.00914554 Jy ! Total flux subtracted in 200 components = 0.00914554 Jy ! Clean residual min=-0.015965 max=0.023914 Jy/beam ! Clean residual mean=0.000453 rms=0.005642 Jy/beam ! Combined flux in latest and established models = 0.588481 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 32 components and 0.588482 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.282716Jy sigma=0.001486 ! Fit after self-cal, rms=0.283607Jy sigma=0.001485 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 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=0.283607Jy sigma=0.001485 ! Fit after self-cal, rms=0.323844Jy sigma=0.001406 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 milli-arcsec ! Estimated beam: bmin=0.7896 mas, bmaj=1.752 mas, bpa=8.206 degrees ! Estimated noise=634.397 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000907577 Jy ! Component: 100 - total flux cleaned = -0.00101736 Jy ! Component: 150 - total flux cleaned = -0.00121626 Jy ! Component: 200 - total flux cleaned = -0.0013051 Jy ! Total flux subtracted in 200 components = -0.0013051 Jy ! Clean residual min=-0.010410 max=0.019040 Jy/beam ! Clean residual mean=0.000659 rms=0.004164 Jy/beam ! Combined flux in latest and established models = 0.587176 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 37 components and 0.587176 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.323738Jy sigma=0.001405 ! Fit after self-cal, rms=0.323838Jy sigma=0.001404 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-1.6, 1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0155017 Jy ! Component: 100 - total flux cleaned = 0.0155405 Jy ! Component: 150 - total flux cleaned = 0.0152925 Jy ! Component: 200 - total flux cleaned = 0.0150809 Jy ! Total flux subtracted in 200 components = 0.0150809 Jy ! Clean residual min=-0.009130 max=0.013588 Jy/beam ! Clean residual mean=0.000187 rms=0.003398 Jy/beam ! Combined flux in latest and established models = 0.602257 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 55 components and 0.602257 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.322851Jy sigma=0.001389 ! Fit after self-cal, rms=0.322393Jy sigma=0.001386 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 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=0.322393Jy sigma=0.001386 ! Fit after self-cal, rms=0.320205Jy sigma=0.001383 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 milli-arcsec ! Estimated beam: bmin=0.7868 mas, bmaj=1.752 mas, bpa=8.105 degrees ! Estimated noise=630.371 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00735292 Jy ! Component: 100 - total flux cleaned = 0.00694368 Jy ! Component: 150 - total flux cleaned = 0.00693339 Jy ! Component: 200 - total flux cleaned = 0.00677907 Jy ! Total flux subtracted in 200 components = 0.00677907 Jy ! Clean residual min=-0.008424 max=0.013015 Jy/beam ! Clean residual mean=0.000373 rms=0.003077 Jy/beam ! Combined flux in latest and established models = 0.609036 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 61 components and 0.609036 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.319805Jy sigma=0.001378 ! Fit after self-cal, rms=0.319655Jy sigma=0.001377 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 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 = 0.00166433 Jy ! Component: 100 - total flux cleaned = 0.00138096 Jy ! Component: 150 - total flux cleaned = 0.00113125 Jy ! Component: 200 - total flux cleaned = 0.00101831 Jy ! Total flux subtracted in 200 components = 0.00101831 Jy ! Clean residual min=-0.008113 max=0.012785 Jy/beam ! Clean residual mean=0.000335 rms=0.002984 Jy/beam ! Combined flux in latest and established models = 0.610055 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 65 components and 0.610055 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.319470Jy sigma=0.001375 ! Fit after self-cal, rms=0.319391Jy sigma=0.001375 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 milli-arcsec ! Added new window around map position (-6, 2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0118745 Jy ! Component: 100 - total flux cleaned = 0.017364 Jy ! Component: 150 - total flux cleaned = 0.0204967 Jy ! Component: 200 - total flux cleaned = 0.021785 Jy ! Total flux subtracted in 200 components = 0.021785 Jy ! Clean residual min=-0.006934 max=0.006006 Jy/beam ! Clean residual mean=-0.000366 rms=0.002096 Jy/beam ! Combined flux in latest and established models = 0.63184 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 79 components and 0.63184 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.318904Jy sigma=0.001365 ! Fit after self-cal, rms=0.318699Jy sigma=0.001365 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 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=0.318699Jy sigma=0.001365 ! Fit after self-cal, rms=0.316179Jy sigma=0.001363 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 milli-arcsec ! Estimated beam: bmin=2.521 mas, bmaj=5.059 mas, bpa=5.136 degrees ! Estimated noise=789.283 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00828117 Jy ! Component: 100 - total flux cleaned = 0.0104201 Jy ! Component: 150 - total flux cleaned = 0.0110898 Jy ! Component: 200 - total flux cleaned = 0.0114976 Jy ! Total flux subtracted in 200 components = 0.0114976 Jy ! Clean residual min=-0.005830 max=0.005051 Jy/beam ! Clean residual mean=-0.000559 rms=0.002252 Jy/beam ! Combined flux in latest and established models = 0.643337 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 85 components and 0.643337 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.316115Jy sigma=0.001362 ! Fit after self-cal, rms=0.316152Jy sigma=0.001362 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 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 = 0.00112633 Jy ! Component: 100 - total flux cleaned = 0.00144544 Jy ! Component: 150 - total flux cleaned = 0.0017029 Jy ! Component: 200 - total flux cleaned = 0.00192591 Jy ! Total flux subtracted in 200 components = 0.00192591 Jy ! Clean residual min=-0.006366 max=0.004487 Jy/beam ! Clean residual mean=-0.000702 rms=0.002153 Jy/beam ! Combined flux in latest and established models = 0.645263 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 100 components and 0.645263 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.316111Jy sigma=0.001362 ! Fit after self-cal, rms=0.316109Jy sigma=0.001362 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 milli-arcsec ! Estimated beam: bmin=0.7873 mas, bmaj=1.757 mas, bpa=7.973 degrees ! Estimated noise=628.215 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7873 x 1.757 at 7.973 degrees (North through East) ! Clean map min=-0.011863 max=0.40867 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 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 milli-arcsec ! Estimated beam: bmin=0.6092 mas, bmaj=1.466 mas, bpa=13.14 degrees ! Estimated noise=1409.95 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.326423 Jy ! Component: 100 - total flux cleaned = 0.421312 Jy ! Component: 150 - total flux cleaned = 0.475959 Jy ! Component: 200 - total flux cleaned = 0.511696 Jy ! Total flux subtracted in 200 components = 0.511696 Jy ! Clean residual min=-0.013020 max=0.019777 Jy/beam ! Clean residual mean=0.000222 rms=0.005038 Jy/beam ! Combined flux in latest and established models = 0.511696 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.511696 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 milli-arcsec ! Estimated beam: bmin=0.7873 mas, bmaj=1.757 mas, bpa=7.973 degrees ! Estimated noise=628.215 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 = 0.0405526 Jy ! Component: 100 - total flux cleaned = 0.0622232 Jy ! Component: 150 - total flux cleaned = 0.0772136 Jy ! Component: 200 - total flux cleaned = 0.0887015 Jy ! Total flux subtracted in 200 components = 0.0887015 Jy ! Clean residual min=-0.007704 max=0.010996 Jy/beam ! Clean residual mean=0.001024 rms=0.002939 Jy/beam ! Combined flux in latest and established models = 0.600397 Jy ! Adding 50 model components to the UV plane model. ! The established model now contains 59 components and 0.600397 Jy ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 milli-arcsec ! Estimated beam: bmin=2.521 mas, bmaj=5.059 mas, bpa=5.136 degrees ! Estimated noise=789.283 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0149916 Jy ! Component: 100 - total flux cleaned = 0.0248712 Jy ! Component: 150 - total flux cleaned = 0.0314532 Jy ! Component: 200 - total flux cleaned = 0.0333598 Jy ! Total flux subtracted in 200 components = 0.0333598 Jy ! Clean residual min=-0.008077 max=0.007417 Jy/beam ! Clean residual mean=0.000046 rms=0.002767 Jy/beam ! Combined flux in latest and established models = 0.633757 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 = 0.00161923 Jy ! Component: 100 - total flux cleaned = 0.0028738 Jy ! Component: 150 - total flux cleaned = 0.00396506 Jy ! Component: 200 - total flux cleaned = 0.00482108 Jy ! Total flux subtracted in 200 components = 0.00482108 Jy ! Clean residual min=-0.006589 max=0.005199 Jy/beam ! Clean residual mean=-0.000259 rms=0.002327 Jy/beam ! Combined flux in latest and established models = 0.638578 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 94 components and 0.638578 Jy ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 milli-arcsec ! Estimated beam: bmin=0.7873 mas, bmaj=1.757 mas, bpa=7.973 degrees ! Estimated noise=628.215 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000858564 Jy ! Component: 100 - total flux cleaned = 0.00160028 Jy ! Component: 150 - total flux cleaned = 0.0023608 Jy ! Component: 200 - total flux cleaned = 0.00280364 Jy ! Total flux subtracted in 200 components = 0.00280364 Jy ! Clean residual min=-0.005143 max=0.004839 Jy/beam ! Clean residual mean=-0.000211 rms=0.001465 Jy/beam ! Combined flux in latest and established models = 0.641382 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 106 components and 0.641382 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.315856Jy sigma=0.001359 ! Fit after self-cal, rms=0.315742Jy sigma=0.001358 wmodel J1316-3338_X_1999_03_08_pus_map.mod ! Writing 106 model components to file: J1316-3338_X_1999_03_08_pus_map.mod wobs J1316-3338_X_1999_03_08_pus_uvs.fits ! Writing UV FITS file: J1316-3338_X_1999_03_08_pus_uvs.fits wwins J1316-3338_X_1999_03_08_pus_map.win ! wwins: Wrote 3 windows to J1316-3338_X_1999_03_08_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 7.02922e-05 Jy ! Component: 100 - total flux cleaned = -0.000231812 Jy ! Component: 150 - total flux cleaned = -0.000862075 Jy ! Component: 200 - total flux cleaned = -0.00125331 Jy ! Component: 250 - total flux cleaned = -0.00162022 Jy ! Component: 300 - total flux cleaned = -0.00167723 Jy ! Component: 350 - total flux cleaned = -0.0017325 Jy ! Component: 400 - total flux cleaned = -0.00178676 Jy ! Component: 450 - total flux cleaned = -0.00189015 Jy ! Component: 500 - total flux cleaned = -0.00198842 Jy ! Component: 550 - total flux cleaned = -0.00212997 Jy ! Component: 600 - total flux cleaned = -0.00212957 Jy ! Component: 650 - total flux cleaned = -0.00212986 Jy ! Component: 700 - total flux cleaned = -0.00217332 Jy ! Component: 750 - total flux cleaned = -0.00221572 Jy ! Component: 800 - total flux cleaned = -0.00229804 Jy ! Component: 850 - total flux cleaned = -0.00225767 Jy ! Component: 900 - total flux cleaned = -0.00229821 Jy ! Component: 950 - total flux cleaned = -0.00237579 Jy ! Component: 1000 - total flux cleaned = -0.00248904 Jy ! Total flux subtracted in 1024 components = -0.00252627 Jy ! Clean residual min=-0.002030 max=0.001855 Jy/beam ! Clean residual mean=-0.000112 rms=0.000752 Jy/beam ! Combined flux in latest and established models = 0.638855 Jy keep ! Adding 53 model components to the UV plane model. ! The established model now contains 159 components and 0.638855 Jy ![Exited script file: muppet] wmap "J1316-3338_X_1999_03_08_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7873 x 1.757 at 7.973 degrees (North through East) ! Clean map min=-0.0078365 max=0.42624 Jy/beam ! Writing clean map to FITS file: J1316-3338_X_1999_03_08_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.426241 invert ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.168 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000750303 device "J1316-3338_X_1999_03_08_pus\_map.eps/VPS" ! Attempting to open device: 'J1316-3338_X_1999_03_08_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.528084 0.528084 1.05617 2.11234 4.22467 8.44934 16.8987 33.7974 67.5947 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0022 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.426 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7873 x 1.757 at 7.973 degrees (North through East) ! Clean map min=-0.0078365 max=0.42624 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1316-3338_X_1999_03_08_pus\_map.gif/vgif" ! Attempting to open device: 'J1316-3338_X_1999_03_08_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1316-3338_X_1999_03_08_pus_uvs.log closed on Thu Jan 3 18:34:54 2008