! Started logfile: J0501-0159_X_1998_10_01_pus_uvs.log on Wed Feb 6 12:24:21 2008 obs J0501-0159_X_1998_10_01_pus_uva.fits ! Reading UV FITS file: J0501-0159_X_1998_10_01_pus_uva.fits ! AN table 1: 302 integrations on 136 of 136 possible baselines. ! AN table 2: 168 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.158792 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0501-0159 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.40798e+09 4e+06 1 4e+06 ! 02 2 8.47798e+09 4e+06 1 4e+06 ! 03 3 8.79298e+09 4e+06 1 4e+06 ! 04 4 8.89798e+09 4e+06 1 4e+06 ! ! Polarization(s): RR ! ! Read 2049 lines of history. ! ! Reading 40600 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 J0501-0159_X_1998_10_01_pus] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 256x256 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 3021 telescope corrections were flagged in sub-array 1. ! A total of 2612 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 3021 telescope corrections were flagged in sub-array 1. ! A total of 2612 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 3020 telescope corrections were flagged in sub-array 1. ! A total of 2612 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 3021 telescope corrections were flagged in sub-array 1. ! A total of 2612 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.810505Jy sigma=0.006122 ! Fit after self-cal, rms=0.591662Jy sigma=0.003861 ! 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 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=0.6095 mas, bmaj=1.553 mas, bpa=-4.11 degrees ! Estimated noise=811.186 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 = 0.491123 Jy ! Component: 100 - total flux cleaned = 0.607488 Jy ! Total flux subtracted in 100 components = 0.607488 Jy ! Clean residual min=-0.021072 max=0.051115 Jy/beam ! Clean residual mean=0.000294 rms=0.006712 Jy/beam ! Combined flux in latest and established models = 0.607488 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.607488 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.503621Jy sigma=0.002985 ! Fit after self-cal, rms=0.503571Jy sigma=0.002985 ! Inverting map ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Added new window around map position (-0.6, 0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0576046 Jy ! Component: 100 - total flux cleaned = 0.094775 Jy ! Total flux subtracted in 100 components = 0.094775 Jy ! Clean residual min=-0.017060 max=0.026549 Jy/beam ! Clean residual mean=0.000270 rms=0.004922 Jy/beam ! Combined flux in latest and established models = 0.702263 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 23 components and 0.702263 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.490693Jy sigma=0.002695 ! Fit after self-cal, rms=0.490406Jy sigma=0.002692 ! Inverting map ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=0.807 mas, bmaj=2.257 mas, bpa=-6.654 degrees ! Estimated noise=386.035 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 = 0.0638673 Jy ! Component: 100 - total flux cleaned = 0.0983065 Jy ! Component: 150 - total flux cleaned = 0.119003 Jy ! Component: 200 - total flux cleaned = 0.131559 Jy ! Total flux subtracted in 200 components = 0.131559 Jy ! Clean residual min=-0.011640 max=0.033924 Jy/beam ! Clean residual mean=0.001458 rms=0.006052 Jy/beam ! Combined flux in latest and established models = 0.833822 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 47 components and 0.833822 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.484010Jy sigma=0.002515 ! Fit after self-cal, rms=0.483704Jy sigma=0.002512 ! Inverting map ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Added new window around map position (-1.8, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0320136 Jy ! Component: 100 - total flux cleaned = 0.0488883 Jy ! Component: 150 - total flux cleaned = 0.0598264 Jy ! Component: 200 - total flux cleaned = 0.0630574 Jy ! Total flux subtracted in 200 components = 0.0630574 Jy ! Clean residual min=-0.008660 max=0.022358 Jy/beam ! Clean residual mean=0.000792 rms=0.003769 Jy/beam ! Combined flux in latest and established models = 0.896879 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 82 components and 0.896879 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.481798Jy sigma=0.002468 ! Fit after self-cal, rms=0.481313Jy sigma=0.002461 ! Inverting map ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Added new window around map position (-4.2, 3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.020863 Jy ! Component: 100 - total flux cleaned = 0.0310449 Jy ! Component: 150 - total flux cleaned = 0.0345226 Jy ! Component: 200 - total flux cleaned = 0.036603 Jy ! Total flux subtracted in 200 components = 0.036603 Jy ! Clean residual min=-0.006603 max=0.009518 Jy/beam ! Clean residual mean=0.000322 rms=0.002367 Jy/beam ! Combined flux in latest and established models = 0.933482 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 102 components and 0.933482 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.480463Jy sigma=0.002443 ! Fit after self-cal, rms=0.480314Jy sigma=0.002441 ! Inverting map ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.03 GC 0.96 HN 0.99 ! KK 0.99 KP 0.97 LA 1.00 MK 0.99 ! NL 1.02 NY 1.00* ON 1.05 OV 1.02 ! PT 1.00 SC 1.00 WF 1.06 MC 1.14 ! GN 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.05 GC 0.90 HN 1.00* ! KK 1.00 KP 0.92 LA 1.02 MK 0.97 ! NL 1.00* NY 1.00* ON 1.00* OV 1.02 ! PT 1.02 SC 1.00* WF 1.00* MC 1.00* ! GN 1.00* ! ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.03 GC 0.97 HN 1.05 ! KK 0.99 KP 0.99 LA 0.95 MK 0.96 ! NL 1.06 NY 1.00* ON 1.06 OV 1.01 ! PT 1.00 SC 0.97 WF 1.04 MC 1.05 ! GN 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.03 GC 0.92 HN 1.00* ! KK 1.02 KP 0.95 LA 0.98 MK 0.93 ! NL 1.00* NY 1.00* ON 1.00* OV 1.05 ! PT 1.00 SC 1.00* WF 1.00* MC 1.00* ! GN 1.00* ! ! ! Correcting IF 3. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 GC 0.99 HN 0.97 ! KK 0.97 KP 1.01 LA 0.95 MK 0.99 ! NL 1.04 NY 1.00* ON 1.10 OV 0.98 ! PT 1.01 SC 1.02 WF 1.04 MC 1.10 ! GN 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 1.02 GC 0.93 HN 1.00* ! KK 0.98 KP 0.94 LA 1.02 MK 1.00 ! NL 1.00* NY 1.00* ON 1.00* OV 0.99 ! PT 1.03 SC 1.00* WF 1.00* MC 1.00* ! GN 1.00* ! ! ! Correcting IF 4. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.98 GC 0.99 HN 1.02 ! KK 0.98 KP 0.99 LA 0.97 MK 0.98 ! NL 1.08 NY 1.00* ON 1.10 OV 1.01 ! PT 0.98 SC 1.00 WF 1.05 MC 1.00 ! GN 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.00 GC 0.91 HN 1.00* ! KK 0.95 KP 0.95 LA 0.99 MK 0.94 ! NL 1.00* NY 1.00* ON 1.00* OV 0.97 ! PT 1.01 SC 1.00* WF 1.00* MC 1.00* ! GN 1.00* ! ! ! Fit before self-cal, rms=0.480314Jy sigma=0.002441 ! Fit after self-cal, rms=0.485424Jy sigma=0.002423 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=0.8144 mas, bmaj=2.243 mas, bpa=-6.492 degrees ! Estimated noise=386.143 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 = -0.00197547 Jy ! Component: 100 - total flux cleaned = -0.00110447 Jy ! Component: 150 - total flux cleaned = -0.000553947 Jy ! Component: 200 - total flux cleaned = -0.000242759 Jy ! Total flux subtracted in 200 components = -0.000242759 Jy ! Clean residual min=-0.005471 max=0.006966 Jy/beam ! Clean residual mean=0.000412 rms=0.001782 Jy/beam ! Combined flux in latest and established models = 0.933239 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 122 components and 0.933239 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.485237Jy sigma=0.002421 ! Fit after self-cal, rms=0.485376Jy sigma=0.002421 ! Inverting map ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.485376Jy sigma=0.002421 ! Fit after self-cal, rms=0.487893Jy sigma=0.002415 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=0.8169 mas, bmaj=2.24 mas, bpa=-6.375 degrees ! Estimated noise=386.166 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000996098 Jy ! Component: 100 - total flux cleaned = 0.00116771 Jy ! Component: 150 - total flux cleaned = 0.00146227 Jy ! Component: 200 - total flux cleaned = 0.00159022 Jy ! Total flux subtracted in 200 components = 0.00159022 Jy ! Clean residual min=-0.005547 max=0.005870 Jy/beam ! Clean residual mean=0.000391 rms=0.001537 Jy/beam ! Combined flux in latest and established models = 0.93483 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 135 components and 0.93483 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.487794Jy sigma=0.002413 ! Fit after self-cal, rms=0.487819Jy sigma=0.002413 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000773054 Jy ! Component: 100 - total flux cleaned = 0.000774303 Jy ! Component: 150 - total flux cleaned = 0.000777643 Jy ! Component: 200 - total flux cleaned = 0.000779373 Jy ! Total flux subtracted in 200 components = 0.000779373 Jy ! Clean residual min=-0.005415 max=0.005640 Jy/beam ! Clean residual mean=0.000374 rms=0.001497 Jy/beam ! Combined flux in latest and established models = 0.935609 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 140 components and 0.935609 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.487764Jy sigma=0.002412 ! Fit after self-cal, rms=0.487755Jy sigma=0.002412 ! Inverting map ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.487755Jy sigma=0.002412 ! Fit after self-cal, rms=0.486764Jy sigma=0.002398 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=0.8199 mas, bmaj=2.252 mas, bpa=-6.557 degrees ! Estimated noise=387.022 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000167165 Jy ! Component: 100 - total flux cleaned = 0.00044532 Jy ! Component: 150 - total flux cleaned = 0.000704267 Jy ! Component: 200 - total flux cleaned = 0.000826429 Jy ! Total flux subtracted in 200 components = 0.000826429 Jy ! Clean residual min=-0.004762 max=0.004915 Jy/beam ! Clean residual mean=0.000249 rms=0.001230 Jy/beam ! Combined flux in latest and established models = 0.936436 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 151 components and 0.936436 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.486663Jy sigma=0.002396 ! Fit after self-cal, rms=0.486729Jy sigma=0.002396 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000518704 Jy ! Component: 100 - total flux cleaned = 0.000856174 Jy ! Component: 150 - total flux cleaned = 0.00106039 Jy ! Component: 200 - total flux cleaned = 0.00115333 Jy ! Total flux subtracted in 200 components = 0.00115333 Jy ! Clean residual min=-0.004481 max=0.004899 Jy/beam ! Clean residual mean=0.000234 rms=0.001196 Jy/beam ! Combined flux in latest and established models = 0.937589 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 159 components and 0.937589 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.486661Jy sigma=0.002396 ! Fit after self-cal, rms=0.486653Jy sigma=0.002396 ! Inverting map ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.486653Jy sigma=0.002396 ! Fit after self-cal, rms=0.489857Jy sigma=0.002395 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=2.265 mas, bmaj=3.589 mas, bpa=-4.539 degrees ! Estimated noise=459.439 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00145172 Jy ! Component: 100 - total flux cleaned = 0.00197703 Jy ! Component: 150 - total flux cleaned = 0.00197023 Jy ! Component: 200 - total flux cleaned = 0.00203603 Jy ! Total flux subtracted in 200 components = 0.00203603 Jy ! Clean residual min=-0.003359 max=0.005744 Jy/beam ! Clean residual mean=0.000431 rms=0.001541 Jy/beam ! Combined flux in latest and established models = 0.939625 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 168 components and 0.939625 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.489843Jy sigma=0.002395 ! Fit after self-cal, rms=0.489835Jy sigma=0.002395 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000426455 Jy ! Component: 100 - total flux cleaned = 0.000560772 Jy ! Component: 150 - total flux cleaned = 0.000674921 Jy ! Component: 200 - total flux cleaned = 0.000724505 Jy ! Total flux subtracted in 200 components = 0.000724505 Jy ! Clean residual min=-0.003219 max=0.005450 Jy/beam ! Clean residual mean=0.000410 rms=0.001493 Jy/beam ! Combined flux in latest and established models = 0.940349 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 176 components and 0.94035 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.489829Jy sigma=0.002395 ! Fit after self-cal, rms=0.489824Jy sigma=0.002395 ! Inverting map ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=0.8214 mas, bmaj=2.256 mas, bpa=-6.588 degrees ! Estimated noise=386.926 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8214 x 2.256 at -6.588 degrees (North through East) ! Clean map min=-0.0036154 max=0.66779 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=0.489824Jy sigma=0.002395 ! Fit after self-cal, rms=0.490859Jy sigma=0.002228 ! Inverting map and beam ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=0.8213 mas, bmaj=2.259 mas, bpa=-6.585 degrees ! Estimated noise=386.056 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00067545 Jy ! Component: 100 - total flux cleaned = -0.000960873 Jy ! Component: 150 - total flux cleaned = -0.000959907 Jy ! Component: 200 - total flux cleaned = -0.00120606 Jy ! Total flux subtracted in 200 components = -0.00120606 Jy ! Clean residual min=-0.003704 max=0.004446 Jy/beam ! Clean residual mean=0.000232 rms=0.001080 Jy/beam ! Combined flux in latest and established models = 0.939143 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 182 components and 0.939143 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.490813Jy sigma=0.002227 ! Fit after self-cal, rms=0.490817Jy sigma=0.002227 ! Inverting map ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000263396 Jy ! Component: 100 - total flux cleaned = 0.000352189 Jy ! Component: 150 - total flux cleaned = 0.000277953 Jy ! Component: 200 - total flux cleaned = 0.000136394 Jy ! Total flux subtracted in 200 components = 0.000136394 Jy ! Clean residual min=-0.003478 max=0.004448 Jy/beam ! Clean residual mean=0.000232 rms=0.001067 Jy/beam ! Combined flux in latest and established models = 0.93928 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 185 components and 0.93928 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.490787Jy sigma=0.002227 ! Fit after self-cal, rms=0.490786Jy sigma=0.002226 ! Inverting map ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.490786Jy sigma=0.002226 ! Fit after self-cal, rms=0.502165Jy sigma=0.002226 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 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=0.6204 mas, bmaj=1.542 mas, bpa=-3.907 degrees ! Estimated noise=818.194 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.494405 Jy ! Component: 100 - total flux cleaned = 0.613714 Jy ! Component: 150 - total flux cleaned = 0.672249 Jy ! Component: 200 - total flux cleaned = 0.710991 Jy ! Total flux subtracted in 200 components = 0.710991 Jy ! Clean residual min=-0.012174 max=0.021858 Jy/beam ! Clean residual mean=0.000308 rms=0.003989 Jy/beam ! Combined flux in latest and established models = 0.710991 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 24 model components to the UV plane model. ! The established model now contains 24 components and 0.710991 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=0.8223 mas, bmaj=2.262 mas, bpa=-6.608 degrees ! Estimated noise=385.959 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 = 0.0668933 Jy ! Component: 100 - total flux cleaned = 0.107639 Jy ! Component: 150 - total flux cleaned = 0.13551 Jy ! Component: 200 - total flux cleaned = 0.155475 Jy ! Total flux subtracted in 200 components = 0.155475 Jy ! Clean residual min=-0.005347 max=0.011464 Jy/beam ! Clean residual mean=0.001109 rms=0.003326 Jy/beam ! Combined flux in latest and established models = 0.866467 Jy ! Adding 96 model components to the UV plane model. ! The established model now contains 109 components and 0.866467 Jy ! Inverting map ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=2.264 mas, bmaj=3.592 mas, bpa=-4.545 degrees ! Estimated noise=457.731 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0254086 Jy ! Component: 100 - total flux cleaned = 0.0407681 Jy ! Component: 150 - total flux cleaned = 0.0507311 Jy ! Component: 200 - total flux cleaned = 0.0574923 Jy ! Total flux subtracted in 200 components = 0.0574923 Jy ! Clean residual min=-0.003673 max=0.004720 Jy/beam ! Clean residual mean=0.000884 rms=0.001892 Jy/beam ! Combined flux in latest and established models = 0.923959 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 = 0.00468901 Jy ! Component: 100 - total flux cleaned = 0.00796548 Jy ! Component: 150 - total flux cleaned = 0.0102754 Jy ! Component: 200 - total flux cleaned = 0.0119223 Jy ! Total flux subtracted in 200 components = 0.0119223 Jy ! Clean residual min=-0.002998 max=0.004805 Jy/beam ! Clean residual mean=0.000551 rms=0.001439 Jy/beam ! Combined flux in latest and established models = 0.935881 Jy ! Adding 111 model components to the UV plane model. ! The established model now contains 205 components and 0.935881 Jy ! Inverting map ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! Estimated beam: bmin=0.8223 mas, bmaj=2.262 mas, bpa=-6.608 degrees ! Estimated noise=385.959 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000776615 Jy ! Component: 100 - total flux cleaned = -0.000285306 Jy ! Component: 150 - total flux cleaned = -0.000282431 Jy ! Component: 200 - total flux cleaned = -0.00019487 Jy ! Total flux subtracted in 200 components = -0.00019487 Jy ! Clean residual min=-0.003388 max=0.004437 Jy/beam ! Clean residual mean=0.000266 rms=0.001055 Jy/beam ! Combined flux in latest and established models = 0.935686 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 222 components and 0.935686 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.502232Jy sigma=0.002227 ! Fit after self-cal, rms=0.502155Jy sigma=0.002226 wmodel J0501-0159_X_1998_10_01_pus_map.mod ! Writing 222 model components to file: J0501-0159_X_1998_10_01_pus_map.mod wobs J0501-0159_X_1998_10_01_pus_uvs.fits ! Writing UV FITS file: J0501-0159_X_1998_10_01_pus_uvs.fits wwins J0501-0159_X_1998_10_01_pus_map.win ! wwins: Wrote 4 windows to J0501-0159_X_1998_10_01_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00154506 Jy ! Component: 100 - total flux cleaned = 0.00203577 Jy ! Component: 150 - total flux cleaned = 0.00208766 Jy ! Component: 200 - total flux cleaned = 0.00224538 Jy ! Component: 250 - total flux cleaned = 0.0023955 Jy ! Component: 300 - total flux cleaned = 0.00249354 Jy ! Component: 350 - total flux cleaned = 0.00272886 Jy ! Component: 400 - total flux cleaned = 0.00291136 Jy ! Component: 450 - total flux cleaned = 0.00313424 Jy ! Component: 500 - total flux cleaned = 0.00339499 Jy ! Component: 550 - total flux cleaned = 0.00364946 Jy ! Component: 600 - total flux cleaned = 0.00389852 Jy ! Component: 650 - total flux cleaned = 0.00406118 Jy ! Component: 700 - total flux cleaned = 0.00430015 Jy ! Component: 750 - total flux cleaned = 0.0045344 Jy ! Component: 800 - total flux cleaned = 0.00472611 Jy ! Component: 850 - total flux cleaned = 0.00487678 Jy ! Component: 900 - total flux cleaned = 0.0049881 Jy ! Component: 950 - total flux cleaned = 0.00513454 Jy ! Component: 1000 - total flux cleaned = 0.00527926 Jy ! Total flux subtracted in 1024 components = 0.0053865 Jy ! Clean residual min=-0.001782 max=0.002303 Jy/beam ! Clean residual mean=0.000145 rms=0.000731 Jy/beam ! Combined flux in latest and established models = 0.941073 Jy keep ! Adding 72 model components to the UV plane model. ! The established model now contains 293 components and 0.941073 Jy ![Exited script file: muppet] wmap "J0501-0159_X_1998_10_01_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8223 x 2.262 at -6.608 degrees (North through East) ! Clean map min=-0.0030735 max=0.6708 Jy/beam ! Writing clean map to FITS file: J0501-0159_X_1998_10_01_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.670796 invert ! Inverting map ! Your choice of large map pixels excluded 0.518% of the data. ! The x-axis pixel size should ideally be below 0.1905 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000732774 device "J0501-0159_X_1998_10_01_pus\_map.eps/VPS" ! Attempting to open device: 'J0501-0159_X_1998_10_01_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.327718 0.327718 0.655437 1.31087 2.62175 5.24349 10.487 20.974 41.9479 83.8959 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0021 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.67 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8223 x 2.262 at -6.608 degrees (North through East) ! Clean map min=-0.0030735 max=0.6708 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0501-0159_X_1998_10_01_pus\_map.gif/vgif" ! Attempting to open device: 'J0501-0159_X_1998_10_01_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0501-0159_X_1998_10_01_pus_uvs.log closed on Wed Feb 6 12:24:37 2008