! Started logfile: J1642-0621_X_2011_08_02_pus_uvs.log on Wed Apr 18 21:54:38 2012 obs J1642-0621_X_2011_08_02_pus_uva.fits ! Reading UV FITS file: J1642-0621_X_2011_08_02_pus_uva.fits ! AN table 1: 123 integrations on 78 of 78 possible baselines. ! AN table 2: 11 integrations on 78 of 78 possible baselines. ! AN table 3: 12 integrations on 78 of 78 possible baselines. ! Apparent sampling: 0.0847383 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1642-0621 ! ! 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 3146 lines of history. ! ! Reading 3860 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J1642-0621_X_2011_08_02_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 = 512x512 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 1360 telescope corrections were flagged in sub-array 1. ! A total of 83 telescope corrections were flagged in sub-array 2. ! A total of 81 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1360 telescope corrections were flagged in sub-array 1. ! A total of 83 telescope corrections were flagged in sub-array 2. ! A total of 81 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1360 telescope corrections were flagged in sub-array 1. ! A total of 83 telescope corrections were flagged in sub-array 2. ! A total of 81 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1360 telescope corrections were flagged in sub-array 1. ! A total of 83 telescope corrections were flagged in sub-array 2. ! A total of 81 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.452138Jy sigma=0.004001 ! Fit after self-cal, rms=0.383366Jy sigma=0.003521 ! 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 7.15% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! Estimated beam: bmin=0.7031 mas, bmaj=1.305 mas, bpa=0.905 degrees ! Estimated noise=1683.56 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 = 0.947047 Jy ! Component: 100 - total flux cleaned = 1.21918 Jy ! Total flux subtracted in 100 components = 1.21918 Jy ! Clean residual min=-0.049721 max=0.103073 Jy/beam ! Clean residual mean=-0.000485 rms=0.015112 Jy/beam ! Combined flux in latest and established models = 1.21918 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 1.21918 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.268837Jy sigma=0.002275 ! Fit after self-cal, rms=0.268424Jy sigma=0.002274 ! Inverting map ! Your choice of large map pixels excluded 7.15% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0977577 Jy ! Component: 100 - total flux cleaned = 0.134125 Jy ! Total flux subtracted in 100 components = 0.134125 Jy ! Clean residual min=-0.047929 max=0.041320 Jy/beam ! Clean residual mean=-0.000246 rms=0.011128 Jy/beam ! Combined flux in latest and established models = 1.3533 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 1.3533 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.251898Jy sigma=0.002031 ! Fit after self-cal, rms=0.251672Jy sigma=0.002031 ! Inverting map ! Your choice of large map pixels excluded 7.15% of the data. ! The x-axis pixel size should ideally be below 0.17 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 7.15% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! Estimated beam: bmin=0.8343 mas, bmaj=1.345 mas, bpa=4.179 degrees ! Estimated noise=1321.94 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 = -0.00889536 Jy ! Component: 100 - total flux cleaned = -0.00940472 Jy ! Component: 150 - total flux cleaned = -0.00939877 Jy ! Component: 200 - total flux cleaned = -0.00940957 Jy ! Total flux subtracted in 200 components = -0.00940957 Jy ! Clean residual min=-0.043188 max=0.035574 Jy/beam ! Clean residual mean=-0.001084 rms=0.011597 Jy/beam ! Combined flux in latest and established models = 1.34389 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 19 components and 1.34389 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.250348Jy sigma=0.002026 ! Fit after self-cal, rms=0.250334Jy sigma=0.002026 ! Inverting map ! Your choice of large map pixels excluded 7.15% of the data. ! The x-axis pixel size should ideally be below 0.17 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 0.97 FD 0.91 FT 1.00* HH 0.96 ! HN 1.09 KP 0.86 LA 1.04 MK 0.91 ! NL 1.03 OV 0.99 PT 1.06 TS 1.00* ! WZ 0.97 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.00* FT 1.00* HH 1.00* ! HN 1.00* KP 0.89 LA 1.03 MK 0.94 ! NL 1.00* OV 1.01 PT 1.04 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.85 FT 1.00* HH 1.00* ! HN 1.00* KP 0.86 LA 0.99 MK 1.00* ! NL 0.95 OV 1.01 PT 1.00 TS 1.00* ! WZ 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 1.00 FD 0.91 FT 1.00* HH 0.95 ! HN 1.16 KP 0.86 LA 1.08 MK 0.97 ! NL 1.14 OV 1.00 PT 1.14 TS 1.00* ! WZ 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.00* FT 1.00* HH 1.00* ! HN 1.00* KP 0.89 LA 1.07 MK 0.99 ! NL 1.00* OV 1.02 PT 1.12 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 0.87 FT 1.00* HH 1.00* ! HN 1.00* KP 0.85 LA 1.00 MK 1.00* ! NL 1.07 OV 1.03 PT 1.10 TS 1.00* ! WZ 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 0.99 FD 0.89 FT 1.00* HH 1.04 ! HN 1.15 KP 0.77 LA 1.05 MK 0.94 ! NL 1.12 OV 1.01 PT 1.07 TS 1.00* ! WZ 0.90 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.00* FT 1.00* HH 1.00* ! HN 1.00* KP 0.78 LA 1.05 MK 0.96 ! NL 1.00* OV 1.01 PT 1.07 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 0.87 FT 1.00* HH 1.00* ! HN 1.00* KP 0.77 LA 0.99 MK 1.00* ! NL 1.04 OV 1.03 PT 1.00 TS 1.00* ! WZ 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 1.05 FD 0.99 FT 1.00* HH 1.19 ! HN 1.13 KP 0.82 LA 1.12 MK 0.99 ! NL 1.12 OV 1.05 PT 1.17 TS 1.00* ! WZ 0.92 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 1.00* FT 1.00* HH 1.00* ! HN 1.00* KP 0.88 LA 1.11 MK 1.04 ! NL 1.00* OV 1.03 PT 1.16 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.05 FD 0.93 FT 1.00* HH 1.00* ! HN 1.00* KP 0.83 LA 1.04 MK 1.00* ! NL 1.07 OV 1.06 PT 1.12 TS 1.00* ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.250334Jy sigma=0.002026 ! Fit after self-cal, rms=0.195688Jy sigma=0.001358 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 6.96% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! Estimated beam: bmin=0.8521 mas, bmaj=1.394 mas, bpa=2.318 degrees ! Estimated noise=1323.21 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 = -0.00499861 Jy ! Component: 100 - total flux cleaned = -0.00517044 Jy ! Component: 150 - total flux cleaned = -0.00504339 Jy ! Component: 200 - total flux cleaned = -0.0050358 Jy ! Total flux subtracted in 200 components = -0.0050358 Jy ! Clean residual min=-0.014094 max=0.014522 Jy/beam ! Clean residual mean=0.000203 rms=0.003964 Jy/beam ! Combined flux in latest and established models = 1.33886 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 23 components and 1.33886 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.195235Jy sigma=0.001356 ! Fit after self-cal, rms=0.195904Jy sigma=0.001355 ! Inverting map ! Your choice of large map pixels excluded 6.96% of the data. ! The x-axis pixel size should ideally be below 0.17 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=0.195904Jy sigma=0.001355 ! Fit after self-cal, rms=0.193444Jy sigma=0.001332 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.96% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! Estimated beam: bmin=0.8554 mas, bmaj=1.389 mas, bpa=2.775 degrees ! Estimated noise=1320.97 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00299164 Jy ! Component: 100 - total flux cleaned = -0.00286746 Jy ! Component: 150 - total flux cleaned = -0.00298269 Jy ! Component: 200 - total flux cleaned = -0.00298026 Jy ! Total flux subtracted in 200 components = -0.00298026 Jy ! Clean residual min=-0.011607 max=0.011272 Jy/beam ! Clean residual mean=0.000012 rms=0.003214 Jy/beam ! Combined flux in latest and established models = 1.33588 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 27 components and 1.33588 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.193199Jy sigma=0.001331 ! Fit after self-cal, rms=0.193189Jy sigma=0.001331 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.96% of the data. ! The x-axis pixel size should ideally be below 0.17 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 = -8.24626e-05 Jy ! Component: 100 - total flux cleaned = -8.48138e-05 Jy ! Component: 150 - total flux cleaned = -9.01034e-05 Jy ! Component: 200 - total flux cleaned = -0.000166147 Jy ! Total flux subtracted in 200 components = -0.000166147 Jy ! Clean residual min=-0.011578 max=0.011333 Jy/beam ! Clean residual mean=0.000012 rms=0.003203 Jy/beam ! Combined flux in latest and established models = 1.33571 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 31 components and 1.33571 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.193103Jy sigma=0.001331 ! Fit after self-cal, rms=0.193078Jy sigma=0.001331 ! Inverting map ! Your choice of large map pixels excluded 6.96% of the data. ! The x-axis pixel size should ideally be below 0.17 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=0.193078Jy sigma=0.001331 ! Fit after self-cal, rms=0.187613Jy sigma=0.001283 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.96% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! Estimated beam: bmin=0.8591 mas, bmaj=1.381 mas, bpa=2.962 degrees ! Estimated noise=1320.64 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00230552 Jy ! Component: 100 - total flux cleaned = -0.00232179 Jy ! Component: 150 - total flux cleaned = -0.00222461 Jy ! Component: 200 - total flux cleaned = -0.00213101 Jy ! Total flux subtracted in 200 components = -0.00213101 Jy ! Clean residual min=-0.007491 max=0.006766 Jy/beam ! Clean residual mean=0.000016 rms=0.001767 Jy/beam ! Combined flux in latest and established models = 1.33358 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 34 components and 1.33358 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.187433Jy sigma=0.001282 ! Fit after self-cal, rms=0.187874Jy sigma=0.001281 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.96% of the data. ! The x-axis pixel size should ideally be below 0.17 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 = -0.000116252 Jy ! Component: 100 - total flux cleaned = -4.13555e-05 Jy ! Component: 150 - total flux cleaned = 2.85974e-05 Jy ! Component: 200 - total flux cleaned = 9.4307e-05 Jy ! Total flux subtracted in 200 components = 9.4307e-05 Jy ! Clean residual min=-0.007544 max=0.006717 Jy/beam ! Clean residual mean=0.000016 rms=0.001747 Jy/beam ! Combined flux in latest and established models = 1.33367 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 37 components and 1.33367 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.187808Jy sigma=0.001281 ! Fit after self-cal, rms=0.187790Jy sigma=0.001281 ! Inverting map ! Your choice of large map pixels excluded 6.96% of the data. ! The x-axis pixel size should ideally be below 0.17 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=0.187790Jy sigma=0.001281 ! Fit after self-cal, rms=0.188141Jy sigma=0.001281 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.96% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! Estimated beam: bmin=2.675 mas, bmaj=3.761 mas, bpa=-14.09 degrees ! Estimated noise=1516.72 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0024853 Jy ! Component: 100 - total flux cleaned = -0.00248019 Jy ! Component: 150 - total flux cleaned = -0.00248583 Jy ! Component: 200 - total flux cleaned = -0.00251942 Jy ! Total flux subtracted in 200 components = -0.00251942 Jy ! Clean residual min=-0.006395 max=0.006815 Jy/beam ! Clean residual mean=0.000025 rms=0.001919 Jy/beam ! Combined flux in latest and established models = 1.33116 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 43 components and 1.33116 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188115Jy sigma=0.001280 ! Fit after self-cal, rms=0.188155Jy sigma=0.001280 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.96% of the data. ! The x-axis pixel size should ideally be below 0.17 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 = -9.50649e-05 Jy ! Component: 100 - total flux cleaned = -4.88548e-05 Jy ! Component: 150 - total flux cleaned = 3.11741e-05 Jy ! Component: 200 - total flux cleaned = -4.92987e-06 Jy ! Total flux subtracted in 200 components = -4.92987e-06 Jy ! Clean residual min=-0.006378 max=0.006768 Jy/beam ! Clean residual mean=0.000025 rms=0.001912 Jy/beam ! Combined flux in latest and established models = 1.33115 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 44 components and 1.33115 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188143Jy sigma=0.001280 ! Fit after self-cal, rms=0.188138Jy sigma=0.001280 ! Inverting map ! Your choice of large map pixels excluded 6.96% of the data. ! The x-axis pixel size should ideally be below 0.17 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 6.96% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! Estimated beam: bmin=0.8615 mas, bmaj=1.381 mas, bpa=3.078 degrees ! Estimated noise=1320.78 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8615 x 1.381 at 3.078 degrees (North through East) ! Clean map min=-0.0067326 max=1.1757 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=0.188138Jy sigma=0.001280 ! Fit after self-cal, rms=0.167398Jy sigma=0.001083 ! Inverting map and beam ! Your choice of large map pixels excluded 6.96% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! Estimated beam: bmin=0.8629 mas, bmaj=1.381 mas, bpa=3.211 degrees ! Estimated noise=1320.1 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00102519 Jy ! Component: 100 - total flux cleaned = -0.00102796 Jy ! Component: 150 - total flux cleaned = -0.000900576 Jy ! Component: 200 - total flux cleaned = -0.000787265 Jy ! Total flux subtracted in 200 components = -0.000787265 Jy ! Clean residual min=-0.006954 max=0.006405 Jy/beam ! Clean residual mean=0.000017 rms=0.001659 Jy/beam ! Combined flux in latest and established models = 1.33036 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 45 components and 1.33036 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167342Jy sigma=0.001082 ! Fit after self-cal, rms=0.167340Jy sigma=0.001082 ! Inverting map ! Your choice of large map pixels excluded 6.96% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.66171e-05 Jy ! Component: 100 - total flux cleaned = 0.000141109 Jy ! Component: 150 - total flux cleaned = 0.000223872 Jy ! Component: 200 - total flux cleaned = 0.000260945 Jy ! Total flux subtracted in 200 components = 0.000260945 Jy ! Clean residual min=-0.006997 max=0.006357 Jy/beam ! Clean residual mean=0.000018 rms=0.001652 Jy/beam ! Combined flux in latest and established models = 1.33062 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 46 components and 1.33062 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167322Jy sigma=0.001082 ! Fit after self-cal, rms=0.167309Jy sigma=0.001082 ! Inverting map ! Your choice of large map pixels excluded 6.96% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167309Jy sigma=0.001082 ! Fit after self-cal, rms=0.167617Jy sigma=0.001082 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 6.96% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! Estimated beam: bmin=0.7233 mas, bmaj=1.31 mas, bpa=0.6112 degrees ! Estimated noise=1670.67 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.93081 Jy ! Component: 100 - total flux cleaned = 1.1875 Jy ! Component: 150 - total flux cleaned = 1.27883 Jy ! Component: 200 - total flux cleaned = 1.31326 Jy ! Total flux subtracted in 200 components = 1.31326 Jy ! Clean residual min=-0.009998 max=0.014475 Jy/beam ! Clean residual mean=-0.000044 rms=0.002685 Jy/beam ! Combined flux in latest and established models = 1.31326 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 20 model components to the UV plane model. ! The established model now contains 20 components and 1.31326 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 6.96% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! Estimated beam: bmin=0.8647 mas, bmaj=1.382 mas, bpa=3.247 degrees ! Estimated noise=1320.8 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 = 0.0155213 Jy ! Component: 100 - total flux cleaned = 0.0215353 Jy ! Component: 150 - total flux cleaned = 0.0225399 Jy ! Component: 200 - total flux cleaned = 0.0227357 Jy ! Total flux subtracted in 200 components = 0.0227357 Jy ! Clean residual min=-0.008268 max=0.006820 Jy/beam ! Clean residual mean=0.000018 rms=0.001817 Jy/beam ! Combined flux in latest and established models = 1.336 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 27 components and 1.336 Jy ! Inverting map ! Your choice of large map pixels excluded 6.96% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec uvw 0,2 ! Uniform weighting is not currently selected. ! Amplitude error weighting is not currently selected. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.96% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! Estimated beam: bmin=0.773 mas, bmaj=1.214 mas, bpa=16.27 degrees ! Estimated noise=1687.88 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.41883e-05 Jy ! Component: 100 - total flux cleaned = -0.00013563 Jy ! Component: 150 - total flux cleaned = -0.000329418 Jy ! Component: 200 - total flux cleaned = -0.000508227 Jy ! Total flux subtracted in 200 components = -0.000508227 Jy ! Clean residual min=-0.010544 max=0.009321 Jy/beam ! Clean residual mean=0.000016 rms=0.002500 Jy/beam ! Combined flux in latest and established models = 1.33549 Jy clean ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000167538 Jy ! Component: 100 - total flux cleaned = -0.000328097 Jy ! Component: 150 - total flux cleaned = -0.000480339 Jy ! Component: 200 - total flux cleaned = -0.000624401 Jy ! Total flux subtracted in 200 components = -0.000624401 Jy ! Clean residual min=-0.010422 max=0.009220 Jy/beam ! Clean residual mean=0.000016 rms=0.002475 Jy/beam ! Combined flux in latest and established models = 1.33486 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 30 components and 1.33486 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168025Jy sigma=0.001084 ! Fit after self-cal, rms=0.167873Jy sigma=0.001084 wmodel J1642-0621_X_2011_08_02_pus_map.mod ! Writing 30 model components to file: J1642-0621_X_2011_08_02_pus_map.mod wobs J1642-0621_X_2011_08_02_pus_uvs.fits ! Writing UV FITS file: J1642-0621_X_2011_08_02_pus_uvs.fits wwins J1642-0621_X_2011_08_02_pus_map.win ! wwins: Wrote 1 windows to J1642-0621_X_2011_08_02_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 6.96% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000513219 Jy ! Component: 100 - total flux cleaned = 0.00026529 Jy ! Component: 150 - total flux cleaned = 0.000560814 Jy ! Component: 200 - total flux cleaned = 0.000975047 Jy ! Component: 250 - total flux cleaned = 0.000973752 Jy ! Component: 300 - total flux cleaned = 0.0014829 Jy ! Component: 350 - total flux cleaned = 0.00160416 Jy ! Component: 400 - total flux cleaned = 0.00184111 Jy ! Component: 450 - total flux cleaned = 0.00218838 Jy ! Component: 500 - total flux cleaned = 0.00263576 Jy ! Component: 550 - total flux cleaned = 0.00296355 Jy ! Component: 600 - total flux cleaned = 0.00349051 Jy ! Component: 650 - total flux cleaned = 0.00379769 Jy ! Component: 700 - total flux cleaned = 0.00409928 Jy ! Component: 750 - total flux cleaned = 0.00429423 Jy ! Component: 800 - total flux cleaned = 0.00438798 Jy ! Component: 850 - total flux cleaned = 0.00466984 Jy ! Component: 900 - total flux cleaned = 0.00476211 Jy ! Component: 950 - total flux cleaned = 0.00494215 Jy ! Component: 1000 - total flux cleaned = 0.00502935 Jy ! Component: 1050 - total flux cleaned = 0.00537245 Jy ! Component: 1100 - total flux cleaned = 0.00562705 Jy ! Component: 1150 - total flux cleaned = 0.00595787 Jy ! Component: 1200 - total flux cleaned = 0.00612004 Jy ! Component: 1250 - total flux cleaned = 0.00611913 Jy ! Component: 1300 - total flux cleaned = 0.00588596 Jy ! Component: 1350 - total flux cleaned = 0.00611827 Jy ! Component: 1400 - total flux cleaned = 0.00604352 Jy ! Component: 1450 - total flux cleaned = 0.00619149 Jy ! Component: 1500 - total flux cleaned = 0.00626467 Jy ! Component: 1550 - total flux cleaned = 0.00633586 Jy ! Component: 1600 - total flux cleaned = 0.00612136 Jy ! Component: 1650 - total flux cleaned = 0.00605025 Jy ! Component: 1700 - total flux cleaned = 0.0061183 Jy ! Component: 1750 - total flux cleaned = 0.00604999 Jy ! Component: 1800 - total flux cleaned = 0.00604888 Jy ! Component: 1850 - total flux cleaned = 0.0059827 Jy ! Component: 1900 - total flux cleaned = 0.00591864 Jy ! Component: 1950 - total flux cleaned = 0.00598463 Jy ! Component: 2000 - total flux cleaned = 0.00617555 Jy ! Total flux subtracted in 2048 components = 0.00636312 Jy ! Clean residual min=-0.003983 max=0.003885 Jy/beam ! Clean residual mean=-0.000030 rms=0.001164 Jy/beam ! Combined flux in latest and established models = 1.34123 Jy keep ! Adding 151 model components to the UV plane model. ! The established model now contains 181 components and 1.34123 Jy ![Exited script file: muppet] wmap "J1642-0621_X_2011_08_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 6.96% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.773 x 1.214 at 16.27 degrees (North through East) ! Clean map min=-0.0071665 max=1.1317 Jy/beam ! Writing clean map to FITS file: J1642-0621_X_2011_08_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.13166 invert ! Inverting map ! Your choice of large map pixels excluded 6.96% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00116044 device "J1642-0621_X_2011_08_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1642-0621_X_2011_08_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.307628 0.307628 0.615256 1.23051 2.46102 4.92205 9.8441 19.6882 39.3764 78.7528 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0034 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.131 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.773 x 1.214 at 16.27 degrees (North through East) ! Clean map min=-0.0071665 max=1.1317 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1642-0621_X_2011_08_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1642-0621_X_2011_08_02_pus_map.gif/vgif' mapplot cln