! Started logfile: J2321+2732_X_2008_07_09_pus_uvs.log on Sun Oct 10 20:20:29 2010 obs J2321+2732_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J2321+2732_X_2008_07_09_pus_uva.fits ! AN table 1: 30 integrations on 105 of 105 possible baselines. ! AN table 2: 346 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.169428 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2321+2732 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1142 lines of history. ! ! Reading 26756 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 256x256 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 359 telescope corrections were flagged in sub-array 1. ! A total of 3482 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 359 telescope corrections were flagged in sub-array 1. ! A total of 3482 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 359 telescope corrections were flagged in sub-array 1. ! A total of 3483 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 359 telescope corrections were flagged in sub-array 1. ! A total of 3482 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.901098Jy sigma=0.006102 ! Fit after self-cal, rms=0.685585Jy sigma=0.004461 ! 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 6.14% of the data. ! The x-axis pixel size should ideally be below 0.1712 milli-arcsec ! Estimated beam: bmin=0.4975 mas, bmaj=1.089 mas, bpa=-10.69 degrees ! Estimated noise=1098.17 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 = 0.300069 Jy ! Component: 100 - total flux cleaned = 0.397499 Jy ! Total flux subtracted in 100 components = 0.397499 Jy ! Clean residual min=-0.015447 max=0.044640 Jy/beam ! Clean residual mean=0.000100 rms=0.005488 Jy/beam ! Combined flux in latest and established models = 0.397499 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.397499 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.336665Jy sigma=0.001564 ! Fit after self-cal, rms=0.335508Jy sigma=0.001554 ! Inverting map ! Your choice of large map pixels excluded 6.14% of the data. ! The x-axis pixel size should ideally be below 0.1712 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0562333 Jy ! Component: 100 - total flux cleaned = 0.0890211 Jy ! Total flux subtracted in 100 components = 0.089021 Jy ! Clean residual min=-0.010563 max=0.023279 Jy/beam ! Clean residual mean=0.000101 rms=0.003810 Jy/beam ! Combined flux in latest and established models = 0.48652 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 15 components and 0.48652 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.323844Jy sigma=0.001387 ! Fit after self-cal, rms=0.323470Jy sigma=0.001383 ! Inverting map ! Your choice of large map pixels excluded 6.14% of the data. ! The x-axis pixel size should ideally be below 0.1712 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0245996 Jy ! Component: 100 - total flux cleaned = 0.0399291 Jy ! Total flux subtracted in 100 components = 0.0399291 Jy ! Clean residual min=-0.009365 max=0.020019 Jy/beam ! Clean residual mean=0.000100 rms=0.003334 Jy/beam ! Combined flux in latest and established models = 0.526449 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 22 components and 0.526449 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.320994Jy sigma=0.001340 ! Fit after self-cal, rms=0.320944Jy sigma=0.001339 ! Inverting map ! Your choice of large map pixels excluded 6.14% of the data. ! The x-axis pixel size should ideally be below 0.1712 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 6.14% of the data. ! The x-axis pixel size should ideally be below 0.1712 milli-arcsec ! Estimated beam: bmin=0.5801 mas, bmaj=1.265 mas, bpa=-10.84 degrees ! Estimated noise=651.656 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 = 0.0232518 Jy ! Component: 100 - total flux cleaned = 0.0374729 Jy ! Component: 150 - total flux cleaned = 0.0465581 Jy ! Component: 200 - total flux cleaned = 0.0523924 Jy ! Total flux subtracted in 200 components = 0.0523924 Jy ! Clean residual min=-0.009101 max=0.023401 Jy/beam ! Clean residual mean=0.001304 rms=0.004622 Jy/beam ! Combined flux in latest and established models = 0.578842 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 26 components and 0.578841 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.319891Jy sigma=0.001311 ! Fit after self-cal, rms=0.319837Jy sigma=0.001310 ! Inverting map ! Your choice of large map pixels excluded 6.14% of the data. ! The x-axis pixel size should ideally be below 0.1712 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 0.89 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.03 ON 0.84 PT 1.00* ! SC 1.00* WZ 1.05 ZC 1.00* ! ! A total of 147 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 1.02 HH 1.00* HN 1.12 ! KK 1.10 KP 0.93 LA 0.92 MK 0.97 ! NL 0.96 NY 1.01 ON 1.03 PT 0.94 ! SC 0.99 WZ 1.03 ZC 1.01 ! ! ! Correcting IF 2. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 0.90 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.09 ON 0.78 PT 1.00* ! SC 1.00* WZ 1.07 ZC 1.00* ! ! A total of 147 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.11 FD 1.00 HH 1.00* HN 1.02 ! KK 1.08 KP 0.87 LA 0.92 MK 0.99 ! NL 0.96 NY 1.07 ON 1.04 PT 0.93 ! SC 1.00 WZ 1.03 ZC 1.00 ! ! ! Correcting IF 3. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 0.97 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.04 ON 0.84 PT 1.00* ! SC 1.00* WZ 1.03 ZC 1.00* ! ! A total of 147 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.09 FD 1.01 HH 1.00* HN 1.05 ! KK 1.02 KP 0.92 LA 0.93 MK 1.00 ! NL 0.98 NY 1.01 ON 1.03 PT 0.95 ! SC 1.02 WZ 1.02 ZC 1.03 ! ! ! Correcting IF 4. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 0.92 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.03 ON 0.93 PT 1.00* ! SC 1.00* WZ 1.04 ZC 1.00* ! ! A total of 147 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.08 FD 1.01 HH 1.00* HN 1.01 ! KK 1.02 KP 0.92 LA 0.93 MK 1.02 ! NL 1.00 NY 1.05 ON 1.06 PT 0.97 ! SC 1.01 WZ 1.05 ZC 0.99 ! ! ! Fit before self-cal, rms=0.319837Jy sigma=0.001310 ! Fit after self-cal, rms=0.325376Jy sigma=0.001291 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 6.3% of the data. ! The x-axis pixel size should ideally be below 0.1712 milli-arcsec ! Estimated beam: bmin=0.5798 mas, bmaj=1.273 mas, bpa=-10.8 degrees ! Estimated noise=656.789 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 = -0.00510825 Jy ! Component: 100 - total flux cleaned = -0.00724864 Jy ! Component: 150 - total flux cleaned = -0.00786262 Jy ! Component: 200 - total flux cleaned = -0.00837566 Jy ! Total flux subtracted in 200 components = -0.00837566 Jy ! Clean residual min=-0.008837 max=0.016703 Jy/beam ! Clean residual mean=0.000167 rms=0.003560 Jy/beam ! Combined flux in latest and established models = 0.570466 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 31 components and 0.570466 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.325183Jy sigma=0.001291 ! Fit after self-cal, rms=0.325310Jy sigma=0.001290 ! Inverting map ! Your choice of large map pixels excluded 6.3% of the data. ! The x-axis pixel size should ideally be below 0.1712 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=0.325310Jy sigma=0.001290 ! Fit after self-cal, rms=0.332785Jy sigma=0.001272 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.3% of the data. ! The x-axis pixel size should ideally be below 0.1712 milli-arcsec ! Estimated beam: bmin=0.5798 mas, bmaj=1.27 mas, bpa=-11.04 degrees ! Estimated noise=656.511 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00235838 Jy ! Component: 100 - total flux cleaned = -0.00277167 Jy ! Component: 150 - total flux cleaned = -0.00295236 Jy ! Component: 200 - total flux cleaned = -0.00295508 Jy ! Total flux subtracted in 200 components = -0.00295508 Jy ! Clean residual min=-0.006741 max=0.015958 Jy/beam ! Clean residual mean=0.000572 rms=0.003147 Jy/beam ! Combined flux in latest and established models = 0.567511 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 32 components and 0.567511 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.332715Jy sigma=0.001272 ! Fit after self-cal, rms=0.332789Jy sigma=0.001272 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.3% of the data. ! The x-axis pixel size should ideally be below 0.1712 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-0.4, 3.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0170736 Jy ! Component: 100 - total flux cleaned = 0.0275636 Jy ! Component: 150 - total flux cleaned = 0.0326645 Jy ! Component: 200 - total flux cleaned = 0.0338611 Jy ! Total flux subtracted in 200 components = 0.0338611 Jy ! Clean residual min=-0.006565 max=0.011420 Jy/beam ! Clean residual mean=0.000069 rms=0.002386 Jy/beam ! Combined flux in latest and established models = 0.601372 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 52 components and 0.601372 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.332000Jy sigma=0.001257 ! Fit after self-cal, rms=0.331766Jy sigma=0.001256 ! Inverting map ! Your choice of large map pixels excluded 6.3% of the data. ! The x-axis pixel size should ideally be below 0.1712 milli-arcsec ! Added new window around map position (1.6, 6.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.010355 Jy ! Component: 100 - total flux cleaned = 0.0146365 Jy ! Component: 150 - total flux cleaned = 0.0159645 Jy ! Component: 200 - total flux cleaned = 0.0169413 Jy ! Total flux subtracted in 200 components = 0.0169413 Jy ! Clean residual min=-0.006901 max=0.008794 Jy/beam ! Clean residual mean=-0.000213 rms=0.002089 Jy/beam ! Combined flux in latest and established models = 0.618313 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 64 components and 0.618313 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.331377Jy sigma=0.001249 ! Fit after self-cal, rms=0.331313Jy sigma=0.001249 ! Inverting map ! Your choice of large map pixels excluded 6.3% of the data. ! The x-axis pixel size should ideally be below 0.1712 milli-arcsec ! Added new window around map position (1, 3.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00806966 Jy ! Component: 100 - total flux cleaned = 0.00787655 Jy ! Component: 150 - total flux cleaned = 0.00826674 Jy ! Component: 200 - total flux cleaned = 0.00843824 Jy ! Total flux subtracted in 200 components = 0.00843824 Jy ! Clean residual min=-0.006615 max=0.007422 Jy/beam ! Clean residual mean=-0.000344 rms=0.001921 Jy/beam ! Combined flux in latest and established models = 0.626751 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 79 components and 0.626751 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.330962Jy sigma=0.001244 ! Fit after self-cal, rms=0.330904Jy sigma=0.001244 ! Inverting map ! Your choice of large map pixels excluded 6.3% of the data. ! The x-axis pixel size should ideally be below 0.1712 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=0.330904Jy sigma=0.001244 ! Fit after self-cal, rms=0.323898Jy sigma=0.001234 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.3% of the data. ! The x-axis pixel size should ideally be below 0.1712 milli-arcsec ! Estimated beam: bmin=0.5791 mas, bmaj=1.27 mas, bpa=-11.1 degrees ! Estimated noise=654.698 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00798277 Jy ! Component: 100 - total flux cleaned = 0.0125955 Jy ! Component: 150 - total flux cleaned = 0.0154095 Jy ! Component: 200 - total flux cleaned = 0.0170233 Jy ! Total flux subtracted in 200 components = 0.0170233 Jy ! Clean residual min=-0.004315 max=0.005244 Jy/beam ! Clean residual mean=0.000192 rms=0.001450 Jy/beam ! Combined flux in latest and established models = 0.643775 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 102 components and 0.643775 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.323671Jy sigma=0.001230 ! Fit after self-cal, rms=0.323599Jy sigma=0.001230 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.3% of the data. ! The x-axis pixel size should ideally be below 0.1712 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 = 0.00248079 Jy ! Component: 100 - total flux cleaned = 0.00387893 Jy ! Component: 150 - total flux cleaned = 0.00469949 Jy ! Component: 200 - total flux cleaned = 0.00555858 Jy ! Total flux subtracted in 200 components = 0.00555858 Jy ! Clean residual min=-0.004411 max=0.004937 Jy/beam ! Clean residual mean=0.000107 rms=0.001363 Jy/beam ! Combined flux in latest and established models = 0.649333 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 109 components and 0.649333 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.323493Jy sigma=0.001228 ! Fit after self-cal, rms=0.323474Jy sigma=0.001228 ! Inverting map ! Your choice of large map pixels excluded 6.3% of the data. ! The x-axis pixel size should ideally be below 0.1712 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=0.323474Jy sigma=0.001228 ! Fit after self-cal, rms=0.321517Jy sigma=0.001227 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.3% of the data. ! The x-axis pixel size should ideally be below 0.1712 milli-arcsec ! Estimated beam: bmin=2.212 mas, bmaj=2.558 mas, bpa=15.85 degrees ! Estimated noise=1000.91 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0120187 Jy ! Component: 100 - total flux cleaned = 0.0159814 Jy ! Component: 150 - total flux cleaned = 0.0175749 Jy ! Component: 200 - total flux cleaned = 0.0186399 Jy ! Total flux subtracted in 200 components = 0.0186399 Jy ! Clean residual min=-0.004887 max=0.006477 Jy/beam ! Clean residual mean=0.000359 rms=0.001963 Jy/beam ! Combined flux in latest and established models = 0.667973 Jy selfcal ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 136 components and 0.667973 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.321500Jy sigma=0.001226 ! Fit after self-cal, rms=0.321448Jy sigma=0.001225 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.3% of the data. ! The x-axis pixel size should ideally be below 0.1712 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 = 0.00260782 Jy ! Component: 100 - total flux cleaned = 0.00335853 Jy ! Component: 150 - total flux cleaned = 0.0038942 Jy ! Component: 200 - total flux cleaned = 0.00441114 Jy ! Total flux subtracted in 200 components = 0.00441114 Jy ! Clean residual min=-0.004972 max=0.006110 Jy/beam ! Clean residual mean=0.000130 rms=0.001895 Jy/beam ! Combined flux in latest and established models = 0.672384 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 153 components and 0.672385 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.321440Jy sigma=0.001224 ! Fit after self-cal, rms=0.321432Jy sigma=0.001224 ! Inverting map ! Your choice of large map pixels excluded 6.3% of the data. ! The x-axis pixel size should ideally be below 0.1712 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 6.3% of the data. ! The x-axis pixel size should ideally be below 0.1712 milli-arcsec ! Estimated beam: bmin=0.5792 mas, bmaj=1.27 mas, bpa=-11.08 degrees ! Estimated noise=654.597 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5792 x 1.27 at -11.08 degrees (North through East) ! Clean map min=-0.0035948 max=0.3905 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 6.3% of the data. ! The x-axis pixel size should ideally be below 0.1712 milli-arcsec ! Estimated beam: bmin=0.4989 mas, bmaj=1.095 mas, bpa=-10.7 degrees ! Estimated noise=1104.26 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.300229 Jy ! Component: 100 - total flux cleaned = 0.404664 Jy ! Component: 150 - total flux cleaned = 0.458661 Jy ! Component: 200 - total flux cleaned = 0.49123 Jy ! Total flux subtracted in 200 components = 0.49123 Jy ! Clean residual min=-0.009777 max=0.017969 Jy/beam ! Clean residual mean=0.000137 rms=0.003052 Jy/beam ! Combined flux in latest and established models = 0.49123 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 17 model components to the UV plane model. ! The established model now contains 17 components and 0.49123 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 6.3% of the data. ! The x-axis pixel size should ideally be below 0.1712 milli-arcsec ! Estimated beam: bmin=0.5792 mas, bmaj=1.27 mas, bpa=-11.08 degrees ! Estimated noise=654.597 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0412776 Jy ! Component: 100 - total flux cleaned = 0.0702375 Jy ! Component: 150 - total flux cleaned = 0.0918439 Jy ! Component: 200 - total flux cleaned = 0.108243 Jy ! Total flux subtracted in 200 components = 0.108243 Jy ! Clean residual min=-0.005114 max=0.009568 Jy/beam ! Clean residual mean=0.001013 rms=0.002396 Jy/beam ! Combined flux in latest and established models = 0.599473 Jy ! Adding 67 model components to the UV plane model. ! The established model now contains 72 components and 0.599473 Jy ! Inverting map ! Your choice of large map pixels excluded 6.3% of the data. ! The x-axis pixel size should ideally be below 0.1712 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 6.3% of the data. ! The x-axis pixel size should ideally be below 0.1712 milli-arcsec ! Estimated beam: bmin=2.212 mas, bmaj=2.558 mas, bpa=15.85 degrees ! Estimated noise=1000.91 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.03154 Jy ! Component: 100 - total flux cleaned = 0.0477528 Jy ! Component: 150 - total flux cleaned = 0.0575062 Jy ! Component: 200 - total flux cleaned = 0.0636855 Jy ! Total flux subtracted in 200 components = 0.0636855 Jy ! Clean residual min=-0.004803 max=0.006740 Jy/beam ! Clean residual mean=0.000587 rms=0.002133 Jy/beam ! Combined flux in latest and established models = 0.663159 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 = 0.00404572 Jy ! Component: 100 - total flux cleaned = 0.0067415 Jy ! Component: 150 - total flux cleaned = 0.00855122 Jy ! Component: 200 - total flux cleaned = 0.00943231 Jy ! Total flux subtracted in 200 components = 0.00943231 Jy ! Clean residual min=-0.004821 max=0.005663 Jy/beam ! Clean residual mean=0.000102 rms=0.001811 Jy/beam ! Combined flux in latest and established models = 0.672591 Jy ! Adding 100 model components to the UV plane model. ! The established model now contains 155 components and 0.672591 Jy ! Inverting map ! Your choice of large map pixels excluded 6.3% of the data. ! The x-axis pixel size should ideally be below 0.1712 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 6.3% of the data. ! The x-axis pixel size should ideally be below 0.1712 milli-arcsec ! Estimated beam: bmin=0.5792 mas, bmaj=1.27 mas, bpa=-11.08 degrees ! Estimated noise=654.597 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000968773 Jy ! Component: 100 - total flux cleaned = 0.00126845 Jy ! Component: 150 - total flux cleaned = 0.0014012 Jy ! Component: 200 - total flux cleaned = 0.00163508 Jy ! Total flux subtracted in 200 components = 0.00163508 Jy ! Clean residual min=-0.003949 max=0.003708 Jy/beam ! Clean residual mean=0.000005 rms=0.001103 Jy/beam ! Combined flux in latest and established models = 0.674226 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 169 components and 0.674226 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.321236Jy sigma=0.001224 ! Fit after self-cal, rms=0.321117Jy sigma=0.001223 wmodel J2321+2732_X_2008_07_09_pus_map.mod ! Writing 169 model components to file: J2321+2732_X_2008_07_09_pus_map.mod wobs J2321+2732_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J2321+2732_X_2008_07_09_pus_uvs.fits wwins J2321+2732_X_2008_07_09_pus_map.win ! wwins: Wrote 5 windows to J2321+2732_X_2008_07_09_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 6.3% of the data. ! The x-axis pixel size should ideally be below 0.1712 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000279891 Jy ! Component: 100 - total flux cleaned = 0.000888839 Jy ! Component: 150 - total flux cleaned = 0.00146517 Jy ! Component: 200 - total flux cleaned = 0.0017108 Jy ! Component: 250 - total flux cleaned = 0.0019487 Jy ! Component: 300 - total flux cleaned = 0.00217946 Jy ! Component: 350 - total flux cleaned = 0.00223707 Jy ! Component: 400 - total flux cleaned = 0.00234759 Jy ! Component: 450 - total flux cleaned = 0.00245422 Jy ! Component: 500 - total flux cleaned = 0.00255811 Jy ! Component: 550 - total flux cleaned = 0.00266023 Jy ! Component: 600 - total flux cleaned = 0.00280937 Jy ! Component: 650 - total flux cleaned = 0.00285814 Jy ! Component: 700 - total flux cleaned = 0.00305002 Jy ! Component: 750 - total flux cleaned = 0.00319172 Jy ! Component: 800 - total flux cleaned = 0.00323763 Jy ! Component: 850 - total flux cleaned = 0.00319225 Jy ! Component: 900 - total flux cleaned = 0.00328189 Jy ! Component: 950 - total flux cleaned = 0.00323662 Jy ! Component: 1000 - total flux cleaned = 0.00314908 Jy ! Total flux subtracted in 1024 components = 0.00314906 Jy ! Clean residual min=-0.002896 max=0.002261 Jy/beam ! Clean residual mean=-0.000040 rms=0.000857 Jy/beam ! Combined flux in latest and established models = 0.677375 Jy keep ! Adding 78 model components to the UV plane model. ! The established model now contains 247 components and 0.677375 Jy wmap "J2321+2732_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 6.3% of the data. ! The x-axis pixel size should ideally be below 0.1712 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5792 x 1.27 at -11.08 degrees (North through East) ! Clean map min=-0.0034677 max=0.39153 Jy/beam ! Writing clean map to FITS file: J2321+2732_X_2008_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.391529 invert ! Inverting map ! Your choice of large map pixels excluded 6.3% of the data. ! The x-axis pixel size should ideally be below 0.1712 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.0008571 device "J2321+2732_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J2321+2732_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.656733 0.656733 1.31347 2.62693 5.25387 10.5077 21.0155 42.0309 84.0619 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0025 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.391 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5792 x 1.27 at -11.08 degrees (North through East) ! Clean map min=-0.0034677 max=0.39153 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2321+2732_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J2321+2732_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2321+2732_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 20:20:33 2010