! Started logfile: J1522-2730_X_2008_07_09_pus_uvs.log on Sun Oct 10 20:18:49 2010 obs J1522-2730_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J1522-2730_X_2008_07_09_pus_uva.fits ! AN table 1: 59 integrations on 105 of 105 possible baselines. ! AN table 2: 13 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.153704 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1522-2730 ! ! 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 4648 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 505 telescope corrections were flagged in sub-array 1. ! A total of 195 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 505 telescope corrections were flagged in sub-array 1. ! A total of 195 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 505 telescope corrections were flagged in sub-array 1. ! A total of 195 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 505 telescope corrections were flagged in sub-array 1. ! A total of 195 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.531250Jy sigma=0.002521 ! Fit after self-cal, rms=0.409244Jy sigma=0.001655 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.24% of the data. ! The x-axis pixel size should ideally be below 0.1978 milli-arcsec ! Estimated beam: bmin=0.6712 mas, bmaj=2.129 mas, bpa=-9.465 degrees ! Estimated noise=2106.22 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 = 0.726717 Jy ! Component: 100 - total flux cleaned = 0.886607 Jy ! Total flux subtracted in 100 components = 0.886607 Jy ! Clean residual min=-0.036449 max=0.052053 Jy/beam ! Clean residual mean=0.000674 rms=0.011796 Jy/beam ! Combined flux in latest and established models = 0.886607 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.886608 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.399012Jy sigma=0.001671 ! Fit after self-cal, rms=0.399364Jy sigma=0.001671 ! Inverting map ! Your choice of large map pixels excluded 0.24% of the data. ! The x-axis pixel size should ideally be below 0.1978 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.24% of the data. ! The x-axis pixel size should ideally be below 0.1978 milli-arcsec ! Estimated beam: bmin=0.8371 mas, bmaj=2.702 mas, bpa=-10.43 degrees ! Estimated noise=1540.39 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 = 0.0534627 Jy ! Component: 100 - total flux cleaned = 0.079683 Jy ! Component: 150 - total flux cleaned = 0.0908053 Jy ! Component: 200 - total flux cleaned = 0.0932956 Jy ! Total flux subtracted in 200 components = 0.0932956 Jy ! Clean residual min=-0.030035 max=0.025677 Jy/beam ! Clean residual mean=0.000281 rms=0.007506 Jy/beam ! Combined flux in latest and established models = 0.979903 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 16 components and 0.979903 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.394093Jy sigma=0.001574 ! Fit after self-cal, rms=0.394004Jy sigma=0.001573 ! Inverting map ! Your choice of large map pixels excluded 0.24% of the data. ! The x-axis pixel size should ideally be below 0.1978 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.97 HH 1.00* HN 1.18 ! KK 0.99 KP 0.97 LA 0.96 MK 0.95 ! NL 1.06 NY 1.00* ON 1.00* PT 0.98 ! SC 0.97 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 2. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.97 HH 1.00* HN 1.13 ! KK 1.01 KP 0.93 LA 0.94 MK 0.92 ! NL 1.04 NY 1.00* ON 1.00* PT 1.01 ! SC 0.97 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 3. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.98 HH 1.00* HN 1.09 ! KK 0.98 KP 0.97 LA 0.96 MK 0.98 ! NL 1.08 NY 1.00* ON 1.00* PT 1.01 ! SC 1.01 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 4. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.99 HH 1.00* HN 1.05 ! KK 0.96 KP 0.98 LA 0.98 MK 0.96 ! NL 1.08 NY 1.00* ON 1.00* PT 1.05 ! SC 1.03 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Fit before self-cal, rms=0.394004Jy sigma=0.001573 ! Fit after self-cal, rms=0.387363Jy sigma=0.001463 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 milli-arcsec ! Estimated beam: bmin=0.8304 mas, bmaj=2.675 mas, bpa=-10.33 degrees ! Estimated noise=1523.1 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 = -0.0103086 Jy ! Component: 100 - total flux cleaned = -0.0114012 Jy ! Component: 150 - total flux cleaned = -0.0118335 Jy ! Component: 200 - total flux cleaned = -0.0121894 Jy ! Total flux subtracted in 200 components = -0.0121894 Jy ! Clean residual min=-0.024030 max=0.019837 Jy/beam ! Clean residual mean=-0.000157 rms=0.006019 Jy/beam ! Combined flux in latest and established models = 0.967714 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 22 components and 0.967714 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.386848Jy sigma=0.001460 ! Fit after self-cal, rms=0.386967Jy sigma=0.001460 ! Inverting map ! Your choice of large map pixels excluded 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 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=0.386967Jy sigma=0.001460 ! Fit after self-cal, rms=0.391489Jy sigma=0.001371 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 milli-arcsec ! Estimated beam: bmin=0.8307 mas, bmaj=2.676 mas, bpa=-10.32 degrees ! Estimated noise=1521.44 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00350364 Jy ! Component: 100 - total flux cleaned = 0.00235453 Jy ! Component: 150 - total flux cleaned = 0.00122048 Jy ! Component: 200 - total flux cleaned = 0.00105716 Jy ! Total flux subtracted in 200 components = 0.00105716 Jy ! Clean residual min=-0.008585 max=0.010081 Jy/beam ! Clean residual mean=0.000179 rms=0.002320 Jy/beam ! Combined flux in latest and established models = 0.968771 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 34 components and 0.968771 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.391205Jy sigma=0.001368 ! Fit after self-cal, rms=0.391097Jy sigma=0.001367 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 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 = 0.000741706 Jy ! Component: 100 - total flux cleaned = -0.000138189 Jy ! Component: 150 - total flux cleaned = -0.000881046 Jy ! Component: 200 - total flux cleaned = -0.00110123 Jy ! Total flux subtracted in 200 components = -0.00110123 Jy ! Clean residual min=-0.008238 max=0.009296 Jy/beam ! Clean residual mean=0.000237 rms=0.002250 Jy/beam ! Combined flux in latest and established models = 0.96767 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 38 components and 0.96767 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.390989Jy sigma=0.001366 ! Fit after self-cal, rms=0.390941Jy sigma=0.001366 ! Inverting map ! Your choice of large map pixels excluded 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 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=0.390941Jy sigma=0.001366 ! Fit after self-cal, rms=0.390239Jy sigma=0.001365 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 milli-arcsec ! Estimated beam: bmin=0.8278 mas, bmaj=2.671 mas, bpa=-10.29 degrees ! Estimated noise=1516.54 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000410837 Jy ! Component: 100 - total flux cleaned = -0.000532403 Jy ! Component: 150 - total flux cleaned = -0.000928667 Jy ! Component: 200 - total flux cleaned = -0.0011674 Jy ! Total flux subtracted in 200 components = -0.0011674 Jy ! Clean residual min=-0.007576 max=0.008586 Jy/beam ! Clean residual mean=0.000174 rms=0.002077 Jy/beam ! Combined flux in latest and established models = 0.966502 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 39 components and 0.966502 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.390108Jy sigma=0.001363 ! Fit after self-cal, rms=0.390042Jy sigma=0.001363 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 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 = 0.000105019 Jy ! Component: 100 - total flux cleaned = -0.000488659 Jy ! Component: 150 - total flux cleaned = -0.000662347 Jy ! Component: 200 - total flux cleaned = -0.000827175 Jy ! Total flux subtracted in 200 components = -0.000827175 Jy ! Clean residual min=-0.007415 max=0.008195 Jy/beam ! Clean residual mean=0.000216 rms=0.002046 Jy/beam ! Combined flux in latest and established models = 0.965675 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 40 components and 0.965675 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.389983Jy sigma=0.001363 ! Fit after self-cal, rms=0.389965Jy sigma=0.001363 ! Inverting map ! Your choice of large map pixels excluded 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 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=0.389965Jy sigma=0.001363 ! Fit after self-cal, rms=0.389086Jy sigma=0.001362 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 milli-arcsec ! Estimated beam: bmin=2.419 mas, bmaj=4.845 mas, bpa=-2.744 degrees ! Estimated noise=1961.3 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00265411 Jy ! Component: 100 - total flux cleaned = -0.00264961 Jy ! Component: 150 - total flux cleaned = -0.00256409 Jy ! Component: 200 - total flux cleaned = -0.00234947 Jy ! Total flux subtracted in 200 components = -0.00234947 Jy ! Clean residual min=-0.006857 max=0.006588 Jy/beam ! Clean residual mean=0.000338 rms=0.002182 Jy/beam ! Combined flux in latest and established models = 0.963326 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 42 components and 0.963326 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.389055Jy sigma=0.001362 ! Fit after self-cal, rms=0.388972Jy sigma=0.001362 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 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 = -0.000248572 Jy ! Component: 100 - total flux cleaned = -0.000172154 Jy ! Component: 150 - total flux cleaned = -0.000109398 Jy ! Component: 200 - total flux cleaned = -5.83164e-05 Jy ! Total flux subtracted in 200 components = -5.83164e-05 Jy ! Clean residual min=-0.006593 max=0.006533 Jy/beam ! Clean residual mean=0.000342 rms=0.002148 Jy/beam ! Combined flux in latest and established models = 0.963267 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 42 components and 0.963267 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.388971Jy sigma=0.001362 ! Fit after self-cal, rms=0.388938Jy sigma=0.001362 ! Inverting map ! Your choice of large map pixels excluded 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 milli-arcsec ! Estimated beam: bmin=0.8262 mas, bmaj=2.667 mas, bpa=-10.26 degrees ! Estimated noise=1512.26 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8262 x 2.667 at -10.26 degrees (North through East) ! Clean map min=-0.0064603 max=0.89485 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=0.388938Jy sigma=0.001362 ! Fit after self-cal, rms=3.537115Jy sigma=0.001098 ! Inverting map and beam ! Your choice of large map pixels excluded 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 milli-arcsec ! Estimated beam: bmin=0.8241 mas, bmaj=2.658 mas, bpa=-10.27 degrees ! Estimated noise=1516.52 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00331479 Jy ! Component: 100 - total flux cleaned = 0.00332366 Jy ! Component: 150 - total flux cleaned = 0.00322592 Jy ! Component: 200 - total flux cleaned = 0.00304865 Jy ! Total flux subtracted in 200 components = 0.00304865 Jy ! Clean residual min=-0.007017 max=0.005540 Jy/beam ! Clean residual mean=0.000158 rms=0.001595 Jy/beam ! Combined flux in latest and established models = 0.966316 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 45 components and 0.966316 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=3.537143Jy sigma=0.001097 ! Fit after self-cal, rms=3.537205Jy sigma=0.001097 ! Inverting map ! Your choice of large map pixels excluded 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000104488 Jy ! Component: 100 - total flux cleaned = -0.000257648 Jy ! Component: 150 - total flux cleaned = -0.000328891 Jy ! Component: 200 - total flux cleaned = -0.000395475 Jy ! Total flux subtracted in 200 components = -0.000395475 Jy ! Clean residual min=-0.006931 max=0.005363 Jy/beam ! Clean residual mean=0.000178 rms=0.001596 Jy/beam ! Combined flux in latest and established models = 0.965921 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 45 components and 0.965921 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=3.537227Jy sigma=0.001097 ! Fit after self-cal, rms=3.537228Jy sigma=0.001097 ! Inverting map ! Your choice of large map pixels excluded 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=3.537228Jy sigma=0.001097 ! Fit after self-cal, rms=4.605349Jy sigma=0.001096 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 milli-arcsec ! Estimated beam: bmin=0.6701 mas, bmaj=2.114 mas, bpa=-9.441 degrees ! Estimated noise=2018.36 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.696241 Jy ! Component: 100 - total flux cleaned = 0.85282 Jy ! Component: 150 - total flux cleaned = 0.908406 Jy ! Component: 200 - total flux cleaned = 0.935834 Jy ! Total flux subtracted in 200 components = 0.935834 Jy ! Clean residual min=-0.011273 max=0.012797 Jy/beam ! Clean residual mean=0.000235 rms=0.002878 Jy/beam ! Combined flux in latest and established models = 0.935834 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 0.935834 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 milli-arcsec ! Estimated beam: bmin=0.8224 mas, bmaj=2.657 mas, bpa=-10.27 degrees ! Estimated noise=1517.42 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 = 0.0169737 Jy ! Component: 100 - total flux cleaned = 0.0246091 Jy ! Component: 150 - total flux cleaned = 0.0282046 Jy ! Component: 200 - total flux cleaned = 0.028897 Jy ! Total flux subtracted in 200 components = 0.028897 Jy ! Clean residual min=-0.007090 max=0.005338 Jy/beam ! Clean residual mean=0.000299 rms=0.001646 Jy/beam ! Combined flux in latest and established models = 0.964731 Jy ! Adding 10 model components to the UV plane model. ! The established model now contains 20 components and 0.964731 Jy ! Inverting map ! Your choice of large map pixels excluded 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 milli-arcsec ! Estimated beam: bmin=2.419 mas, bmaj=4.854 mas, bpa=-2.755 degrees ! Estimated noise=1974.92 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00146057 Jy ! Component: 100 - total flux cleaned = 0.00169684 Jy ! Component: 150 - total flux cleaned = 0.00182287 Jy ! Component: 200 - total flux cleaned = 0.00193016 Jy ! Total flux subtracted in 200 components = 0.00193016 Jy ! Clean residual min=-0.006250 max=0.005310 Jy/beam ! Clean residual mean=0.000404 rms=0.001885 Jy/beam ! Combined flux in latest and established models = 0.966661 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 = 9.37976e-05 Jy ! Component: 100 - total flux cleaned = 0.00017951 Jy ! Component: 150 - total flux cleaned = 0.000294641 Jy ! Component: 200 - total flux cleaned = 0.000363855 Jy ! Total flux subtracted in 200 components = 0.000363855 Jy ! Clean residual min=-0.006148 max=0.005163 Jy/beam ! Clean residual mean=0.000367 rms=0.001834 Jy/beam ! Combined flux in latest and established models = 0.967025 Jy ! Adding 6 model components to the UV plane model. ! The established model now contains 25 components and 0.967025 Jy ! Inverting map ! Your choice of large map pixels excluded 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 milli-arcsec ! Estimated beam: bmin=0.8224 mas, bmaj=2.657 mas, bpa=-10.27 degrees ! Estimated noise=1517.42 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.40846e-05 Jy ! Component: 100 - total flux cleaned = -0.000371813 Jy ! Component: 150 - total flux cleaned = -0.000705462 Jy ! Component: 200 - total flux cleaned = -0.000871313 Jy ! Total flux subtracted in 200 components = -0.000871313 Jy ! Clean residual min=-0.006937 max=0.005105 Jy/beam ! Clean residual mean=0.000228 rms=0.001576 Jy/beam ! Combined flux in latest and established models = 0.966154 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 32 components and 0.966154 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=4.605367Jy sigma=0.001096 ! Fit after self-cal, rms=4.605348Jy sigma=0.001096 wmodel J1522-2730_X_2008_07_09_pus_map.mod ! Writing 32 model components to file: J1522-2730_X_2008_07_09_pus_map.mod wobs J1522-2730_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J1522-2730_X_2008_07_09_pus_uvs.fits wwins J1522-2730_X_2008_07_09_pus_map.win ! wwins: Wrote 1 windows to J1522-2730_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 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00189754 Jy ! Component: 100 - total flux cleaned = -0.00207439 Jy ! Component: 150 - total flux cleaned = -0.00199129 Jy ! Component: 200 - total flux cleaned = -0.0016749 Jy ! Component: 250 - total flux cleaned = -0.0012194 Jy ! Component: 300 - total flux cleaned = -0.000778855 Jy ! Component: 350 - total flux cleaned = -0.000280613 Jy ! Component: 400 - total flux cleaned = 0.000203214 Jy ! Component: 450 - total flux cleaned = 0.000473611 Jy ! Component: 500 - total flux cleaned = 0.000868943 Jy ! Component: 550 - total flux cleaned = 0.00125326 Jy ! Component: 600 - total flux cleaned = 0.00156582 Jy ! Component: 650 - total flux cleaned = 0.0018095 Jy ! Component: 700 - total flux cleaned = 0.00198884 Jy ! Component: 750 - total flux cleaned = 0.00228127 Jy ! Component: 800 - total flux cleaned = 0.00251013 Jy ! Component: 850 - total flux cleaned = 0.00273495 Jy ! Component: 900 - total flux cleaned = 0.0030092 Jy ! Component: 950 - total flux cleaned = 0.00322386 Jy ! Component: 1000 - total flux cleaned = 0.00338148 Jy ! Total flux subtracted in 1024 components = 0.00348486 Jy ! Clean residual min=-0.003014 max=0.003255 Jy/beam ! Clean residual mean=0.000132 rms=0.001090 Jy/beam ! Combined flux in latest and established models = 0.969639 Jy keep ! Adding 55 model components to the UV plane model. ! The established model now contains 87 components and 0.969639 Jy wmap "J1522-2730_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8224 x 2.657 at -10.27 degrees (North through East) ! Clean map min=-0.0067994 max=0.89894 Jy/beam ! Writing clean map to FITS file: J1522-2730_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 0.898935 invert ! Inverting map ! Your choice of large map pixels excluded 0.243% of the data. ! The x-axis pixel size should ideally be below 0.1978 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.0010889 device "J1522-2730_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J1522-2730_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.363396 0.363396 0.726792 1.45358 2.90717 5.81433 11.6287 23.2573 46.5147 93.0294 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0032 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.898 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8224 x 2.657 at -10.27 degrees (North through East) ! Clean map min=-0.0067994 max=0.89894 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1522-2730_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J1522-2730_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1522-2730_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 20:18:50 2010