! Started logfile: J1936+2246_X_2010_10_13_pus_uvs.log on Mon Feb 28 17:18:45 2011 obs J1936+2246_X_2010_10_13_pus_uva.fits ! Reading UV FITS file: J1936+2246_X_2010_10_13_pus_uva.fits ! AN table 1: 95 integrations on 105 of 105 possible baselines. ! AN table 2: 95 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.329173 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1936+2246 ! ! 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 8.40996e+09 8e+06 1 8e+06 ! 02 2 8.47996e+09 8e+06 1 8e+06 ! 03 3 8.79496e+09 8e+06 1 8e+06 ! 04 4 8.89996e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 5978 lines of history. ! ! Reading 26268 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 J1936+2246_X_2010_10_13_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 713 telescope corrections were flagged in sub-array 1. ! A total of 756 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 567 telescope corrections were flagged in sub-array 1. ! A total of 631 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 628 telescope corrections were flagged in sub-array 1. ! A total of 622 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 813 telescope corrections were flagged in sub-array 1. ! A total of 631 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.964467Jy sigma=0.013357 ! Fit after self-cal, rms=0.936479Jy sigma=0.013012 ! 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 0.1533 milli-arcsec ! Estimated beam: bmin=0.5973 mas, bmaj=1.524 mas, bpa=5.566 degrees ! Estimated noise=673.681 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 = 0.0502535 Jy ! Component: 100 - total flux cleaned = 0.0641236 Jy ! Total flux subtracted in 100 components = 0.0641236 Jy ! Clean residual min=-0.004310 max=0.005938 Jy/beam ! Clean residual mean=0.000016 rms=0.001230 Jy/beam ! Combined flux in latest and established models = 0.0641236 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.0641236 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.102598Jy sigma=0.001278 ! Fit after self-cal, rms=0.102373Jy sigma=0.001275 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1533 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 0.1533 milli-arcsec ! Estimated beam: bmin=0.9472 mas, bmaj=1.939 mas, bpa=8.81 degrees ! Estimated noise=343.591 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 = 0.00697612 Jy ! Component: 100 - total flux cleaned = 0.00930113 Jy ! Component: 150 - total flux cleaned = 0.0103048 Jy ! Component: 200 - total flux cleaned = 0.0107759 Jy ! Total flux subtracted in 200 components = 0.0107759 Jy ! Clean residual min=-0.002095 max=0.002047 Jy/beam ! Clean residual mean=-0.000037 rms=0.000587 Jy/beam ! Combined flux in latest and established models = 0.0748995 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 12 components and 0.0748995 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.101980Jy sigma=0.001269 ! Fit after self-cal, rms=0.101968Jy sigma=0.001269 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 60 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.84 HH 1.00* HN 1.08 ! KB 1.00* KK 1.00* KP 1.01 LA 1.02 ! MK 1.17 NL 1.01 NY 1.00* OV 1.03 ! PT 1.01 SC 1.10 TS 1.06 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.82 HH 1.00* HN 0.86 ! KB 1.00* KK 1.00* KP 1.04 LA 1.10 ! MK 0.93 NL 0.93 NY 1.00* OV 1.00 ! PT 0.99 SC 1.02 TS 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.03 HH 1.00* HN 0.95 ! KB 1.00* KK 1.00* KP 1.04 LA 1.00 ! MK 1.03 NL 1.02 NY 1.00* OV 1.01 ! PT 1.03 SC 1.04 TS 1.12 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.99 HH 1.00* HN 1.12 ! KB 1.00* KK 1.00* KP 1.05 LA 0.96 ! MK 0.98 NL 1.08 NY 1.00* OV 1.00 ! PT 1.01 SC 1.02 TS 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.97 HH 1.00* HN 0.92 ! KB 1.00* KK 1.00* KP 1.03 LA 0.92 ! MK 0.99 NL 0.99 NY 1.00* OV 1.04 ! PT 1.11 SC 1.02 TS 1.05 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.94 HH 1.00* HN 1.09 ! KB 1.00* KK 1.00* KP 0.97 LA 0.95 ! MK 0.94 NL 1.02 NY 1.00* OV 1.04 ! PT 1.00 SC 1.02 TS 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.89 HH 1.00* HN 0.92 ! KB 1.00* KK 1.00* KP 0.97 LA 1.11 ! MK 1.02 NL 1.15 NY 1.00* OV 1.02 ! PT 1.04 SC 0.88 TS 0.83 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.87 HH 1.00* HN 0.80 ! KB 1.00* KK 1.00* KP 1.01 LA 1.03 ! MK 1.00 NL 1.04 NY 1.00* OV 1.03 ! PT 1.00 SC 1.03 TS 1.00* ! ! ! Fit before self-cal, rms=0.101968Jy sigma=0.001269 ! Fit after self-cal, rms=0.100341Jy sigma=0.001267 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! Estimated beam: bmin=0.9529 mas, bmaj=1.947 mas, bpa=9.04 degrees ! Estimated noise=344.078 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 = 0.000169093 Jy ! Component: 100 - total flux cleaned = 0.000229691 Jy ! Component: 150 - total flux cleaned = 0.000230522 Jy ! Component: 200 - total flux cleaned = 0.000218773 Jy ! Total flux subtracted in 200 components = 0.000218773 Jy ! Clean residual min=-0.001602 max=0.002026 Jy/beam ! Clean residual mean=-0.000018 rms=0.000493 Jy/beam ! Combined flux in latest and established models = 0.0751182 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 18 components and 0.0751182 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.100336Jy sigma=0.001267 ! Fit after self-cal, rms=0.100329Jy sigma=0.001267 ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1533 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=0.100329Jy sigma=0.001267 ! Fit after self-cal, rms=0.100279Jy sigma=0.001266 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! Estimated beam: bmin=0.9506 mas, bmaj=1.95 mas, bpa=9.173 degrees ! Estimated noise=344.091 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000144827 Jy ! Component: 100 - total flux cleaned = 0.000185881 Jy ! Component: 150 - total flux cleaned = 0.000175032 Jy ! Component: 200 - total flux cleaned = 0.000164833 Jy ! Total flux subtracted in 200 components = 0.000164833 Jy ! Clean residual min=-0.001634 max=0.002066 Jy/beam ! Clean residual mean=-0.000015 rms=0.000493 Jy/beam ! Combined flux in latest and established models = 0.0752831 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 20 components and 0.0752831 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.100276Jy sigma=0.001266 ! Fit after self-cal, rms=0.100282Jy sigma=0.001266 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1533 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 = 1.57918e-05 Jy ! Component: 100 - total flux cleaned = 2.67116e-05 Jy ! Component: 150 - total flux cleaned = 2.67517e-05 Jy ! Component: 200 - total flux cleaned = 2.7131e-05 Jy ! Total flux subtracted in 200 components = 2.7131e-05 Jy ! Clean residual min=-0.001644 max=0.002051 Jy/beam ! Clean residual mean=-0.000016 rms=0.000494 Jy/beam ! Combined flux in latest and established models = 0.0753102 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 20 components and 0.0753102 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.100280Jy sigma=0.001266 ! Fit after self-cal, rms=0.100280Jy sigma=0.001266 ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1533 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=0.100280Jy sigma=0.001266 ! Fit after self-cal, rms=0.100299Jy sigma=0.001266 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! Estimated beam: bmin=0.9475 mas, bmaj=1.951 mas, bpa=9.275 degrees ! Estimated noise=344.27 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000177246 Jy ! Component: 100 - total flux cleaned = 0.000209169 Jy ! Component: 150 - total flux cleaned = 0.000208941 Jy ! Component: 200 - total flux cleaned = 0.000209366 Jy ! Total flux subtracted in 200 components = 0.000209366 Jy ! Clean residual min=-0.001650 max=0.002045 Jy/beam ! Clean residual mean=-0.000015 rms=0.000494 Jy/beam ! Combined flux in latest and established models = 0.0755196 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 20 components and 0.0755196 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.100296Jy sigma=0.001266 ! Fit after self-cal, rms=0.100298Jy sigma=0.001266 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1533 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 = 2.14653e-05 Jy ! Component: 100 - total flux cleaned = 2.11463e-05 Jy ! Component: 150 - total flux cleaned = 2.94636e-05 Jy ! Component: 200 - total flux cleaned = 2.93995e-05 Jy ! Total flux subtracted in 200 components = 2.93995e-05 Jy ! Clean residual min=-0.001659 max=0.002034 Jy/beam ! Clean residual mean=-0.000015 rms=0.000494 Jy/beam ! Combined flux in latest and established models = 0.075549 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 20 components and 0.075549 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.100296Jy sigma=0.001266 ! Fit after self-cal, rms=0.100299Jy sigma=0.001266 ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1533 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=0.100299Jy sigma=0.001266 ! Fit after self-cal, rms=0.100302Jy sigma=0.001266 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! Estimated beam: bmin=2.516 mas, bmaj=2.972 mas, bpa=8.987 degrees ! Estimated noise=400.695 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000237998 Jy ! Component: 100 - total flux cleaned = 0.000251696 Jy ! Component: 150 - total flux cleaned = 0.000257618 Jy ! Component: 200 - total flux cleaned = 0.00026312 Jy ! Total flux subtracted in 200 components = 0.00026312 Jy ! Clean residual min=-0.001741 max=0.002543 Jy/beam ! Clean residual mean=-0.000024 rms=0.000611 Jy/beam ! Combined flux in latest and established models = 0.0758121 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 27 components and 0.0758121 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.100303Jy sigma=0.001266 ! Fit after self-cal, rms=0.100308Jy sigma=0.001266 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1533 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 = 1.04202e-05 Jy ! Component: 100 - total flux cleaned = 4.1769e-06 Jy ! Component: 150 - total flux cleaned = 4.2925e-06 Jy ! Component: 200 - total flux cleaned = 9.32415e-06 Jy ! Total flux subtracted in 200 components = 9.32415e-06 Jy ! Clean residual min=-0.001737 max=0.002536 Jy/beam ! Clean residual mean=-0.000023 rms=0.000609 Jy/beam ! Combined flux in latest and established models = 0.0758214 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 27 components and 0.0758214 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.100309Jy sigma=0.001266 ! Fit after self-cal, rms=0.100312Jy sigma=0.001266 ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1533 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 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! Estimated beam: bmin=0.9442 mas, bmaj=1.952 mas, bpa=9.358 degrees ! Estimated noise=344.33 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9442 x 1.952 at 9.358 degrees (North through East) ! Clean map min=-0.0015131 max=0.067859 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 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! Estimated beam: bmin=0.5941 mas, bmaj=1.539 mas, bpa=5.945 degrees ! Estimated noise=668.341 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0494492 Jy ! Component: 100 - total flux cleaned = 0.0644046 Jy ! Component: 150 - total flux cleaned = 0.0710296 Jy ! Component: 200 - total flux cleaned = 0.0743145 Jy ! Total flux subtracted in 200 components = 0.0743145 Jy ! Clean residual min=-0.003362 max=0.003756 Jy/beam ! Clean residual mean=-0.000010 rms=0.000994 Jy/beam ! Combined flux in latest and established models = 0.0743145 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.0743145 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! Estimated beam: bmin=0.9442 mas, bmaj=1.952 mas, bpa=9.358 degrees ! Estimated noise=344.33 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 = 0.00114475 Jy ! Component: 100 - total flux cleaned = 0.00124405 Jy ! Component: 150 - total flux cleaned = 0.00126448 Jy ! Component: 200 - total flux cleaned = 0.00128309 Jy ! Total flux subtracted in 200 components = 0.00128309 Jy ! Clean residual min=-0.001622 max=0.002120 Jy/beam ! Clean residual mean=-0.000012 rms=0.000494 Jy/beam ! Combined flux in latest and established models = 0.0755976 Jy ! Adding 8 model components to the UV plane model. ! The established model now contains 17 components and 0.0755976 Jy ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! Added new window around map position (-4.6, -6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00191446 Jy ! Component: 100 - total flux cleaned = 0.00207034 Jy ! Component: 150 - total flux cleaned = 0.00210967 Jy ! Component: 200 - total flux cleaned = 0.00214048 Jy ! Total flux subtracted in 200 components = 0.00214048 Jy ! Clean residual min=-0.001528 max=0.001527 Jy/beam ! Clean residual mean=-0.000018 rms=0.000400 Jy/beam ! Combined flux in latest and established models = 0.077738 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 37 components and 0.077738 Jy ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1533 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 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! Estimated beam: bmin=2.516 mas, bmaj=2.972 mas, bpa=8.987 degrees ! Estimated noise=400.695 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.94005e-05 Jy ! Component: 100 - total flux cleaned = 6.8821e-05 Jy ! Component: 150 - total flux cleaned = 7.29648e-05 Jy ! Component: 200 - total flux cleaned = 7.37014e-05 Jy ! Total flux subtracted in 200 components = 7.37014e-05 Jy ! Clean residual min=-0.001156 max=0.001440 Jy/beam ! Clean residual mean=-0.000029 rms=0.000388 Jy/beam ! Combined flux in latest and established models = 0.0778117 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 = 1.87364e-07 Jy ! Component: 100 - total flux cleaned = 1.22516e-05 Jy ! Component: 150 - total flux cleaned = 2.33261e-05 Jy ! Component: 200 - total flux cleaned = 3.34636e-05 Jy ! Total flux subtracted in 200 components = 3.34636e-05 Jy ! Clean residual min=-0.001092 max=0.001382 Jy/beam ! Clean residual mean=-0.000029 rms=0.000379 Jy/beam ! Combined flux in latest and established models = 0.0778452 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 57 components and 0.0778452 Jy ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! Estimated beam: bmin=0.9442 mas, bmaj=1.952 mas, bpa=9.358 degrees ! Estimated noise=344.33 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000189265 Jy ! Component: 100 - total flux cleaned = -0.000190527 Jy ! Component: 150 - total flux cleaned = -0.000170502 Jy ! Component: 200 - total flux cleaned = -0.000131734 Jy ! Total flux subtracted in 200 components = -0.000131734 Jy ! Clean residual min=-0.001522 max=0.001425 Jy/beam ! Clean residual mean=-0.000018 rms=0.000371 Jy/beam ! Combined flux in latest and established models = 0.0777135 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 66 components and 0.0777135 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.100263Jy sigma=0.001266 ! Fit after self-cal, rms=0.100244Jy sigma=0.001265 wmodel J1936+2246_X_2010_10_13_pus_map.mod ! Writing 66 model components to file: J1936+2246_X_2010_10_13_pus_map.mod wobs J1936+2246_X_2010_10_13_pus_uvs.fits ! Writing UV FITS file: J1936+2246_X_2010_10_13_pus_uvs.fits wwins J1936+2246_X_2010_10_13_pus_map.win ! wwins: Wrote 2 windows to J1936+2246_X_2010_10_13_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 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000165725 Jy ! Component: 100 - total flux cleaned = -9.43151e-05 Jy ! Component: 150 - total flux cleaned = -0.000223983 Jy ! Component: 200 - total flux cleaned = -0.000344824 Jy ! Component: 250 - total flux cleaned = -0.000421372 Jy ! Component: 300 - total flux cleaned = -0.000440023 Jy ! Component: 350 - total flux cleaned = -0.000511923 Jy ! Component: 400 - total flux cleaned = -0.00056388 Jy ! Component: 450 - total flux cleaned = -0.000564258 Jy ! Component: 500 - total flux cleaned = -0.000630199 Jy ! Component: 550 - total flux cleaned = -0.00067825 Jy ! Component: 600 - total flux cleaned = -0.00069379 Jy ! Component: 650 - total flux cleaned = -0.000755221 Jy ! Component: 700 - total flux cleaned = -0.000785256 Jy ! Component: 750 - total flux cleaned = -0.000829357 Jy ! Component: 800 - total flux cleaned = -0.000901881 Jy ! Component: 850 - total flux cleaned = -0.000972841 Jy ! Component: 900 - total flux cleaned = -0.00100077 Jy ! Component: 950 - total flux cleaned = -0.00106936 Jy ! Component: 1000 - total flux cleaned = -0.00110986 Jy ! Total flux subtracted in 1024 components = -0.00115008 Jy ! Clean residual min=-0.000844 max=0.000771 Jy/beam ! Clean residual mean=-0.000005 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.0765634 Jy keep ! Adding 70 model components to the UV plane model. ! The established model now contains 134 components and 0.0765634 Jy ![Exited script file: muppet] wmap "J1936+2246_X_2010_10_13_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9442 x 1.952 at 9.358 degrees (North through East) ! Clean map min=-0.001398 max=0.067711 Jy/beam ! Writing clean map to FITS file: J1936+2246_X_2010_10_13_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0677115 invert ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000274518 device "J1936+2246_X_2010_10_13_pus\_map.eps/VPS" ! Attempting to open device: 'J1936+2246_X_2010_10_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.21627 1.21627 2.43254 4.86507 9.73014 19.4603 38.9206 77.8411 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.067 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9442 x 1.952 at 9.358 degrees (North through East) ! Clean map min=-0.001398 max=0.067711 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1936+2246_X_2010_10_13_pus\_map.gif/vgif" ! Attempting to open device: 'J1936+2246_X_2010_10_13_pus_map.gif/vgif' mapplot cln