! Started logfile: J1745+1720_X_2008_07_09_pus_uvs.log on Sun Oct 10 20:19:11 2010 obs J1745+1720_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J1745+1720_X_2008_07_09_pus_uva.fits ! AN table 1: 127 integrations on 105 of 105 possible baselines. ! AN table 2: 85 integrations on 105 of 105 possible baselines. ! AN table 3: 254 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.18784 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1745+1720 ! ! 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 36764 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 1548 telescope corrections were flagged in sub-array 1. ! A total of 1275 telescope corrections were flagged in sub-array 2. ! A total of 1657 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1548 telescope corrections were flagged in sub-array 1. ! A total of 1275 telescope corrections were flagged in sub-array 2. ! A total of 1657 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1548 telescope corrections were flagged in sub-array 1. ! A total of 1275 telescope corrections were flagged in sub-array 2. ! A total of 1657 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1548 telescope corrections were flagged in sub-array 1. ! A total of 1275 telescope corrections were flagged in sub-array 2. ! A total of 1657 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.907333Jy sigma=0.006389 ! Fit after self-cal, rms=0.736005Jy sigma=0.005181 ! 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 5.07% of the data. ! The x-axis pixel size should ideally be below 0.1751 milli-arcsec ! Estimated beam: bmin=0.4765 mas, bmaj=1.358 mas, bpa=-8.77 degrees ! Estimated noise=1045.98 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 = 0.224664 Jy ! Component: 100 - total flux cleaned = 0.276216 Jy ! Total flux subtracted in 100 components = 0.276216 Jy ! Clean residual min=-0.009656 max=0.020320 Jy/beam ! Clean residual mean=0.000405 rms=0.003308 Jy/beam ! Combined flux in latest and established models = 0.276216 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.276216 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.202936Jy sigma=0.001257 ! Fit after self-cal, rms=0.202889Jy sigma=0.001256 ! Inverting map ! Your choice of large map pixels excluded 5.07% of the data. ! The x-axis pixel size should ideally be below 0.1751 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0229262 Jy ! Component: 100 - total flux cleaned = 0.0355174 Jy ! Total flux subtracted in 100 components = 0.0355174 Jy ! Clean residual min=-0.007938 max=0.010864 Jy/beam ! Clean residual mean=0.000309 rms=0.002365 Jy/beam ! Combined flux in latest and established models = 0.311733 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.311733 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200283Jy sigma=0.001235 ! Fit after self-cal, rms=0.200218Jy sigma=0.001234 ! Inverting map ! Your choice of large map pixels excluded 5.07% of the data. ! The x-axis pixel size should ideally be below 0.1751 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 5.07% of the data. ! The x-axis pixel size should ideally be below 0.1751 milli-arcsec ! Estimated beam: bmin=0.536 mas, bmaj=1.459 mas, bpa=-8.715 degrees ! Estimated noise=558.39 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) ! Added new window around map position (0.4, -2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0137219 Jy ! Component: 100 - total flux cleaned = 0.0222699 Jy ! Component: 150 - total flux cleaned = 0.0284593 Jy ! Component: 200 - total flux cleaned = 0.0323848 Jy ! Total flux subtracted in 200 components = 0.0323848 Jy ! Clean residual min=-0.006014 max=0.008728 Jy/beam ! Clean residual mean=0.000760 rms=0.001760 Jy/beam ! Combined flux in latest and established models = 0.344118 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 34 components and 0.344118 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199214Jy sigma=0.001226 ! Fit after self-cal, rms=0.199117Jy sigma=0.001225 ! Inverting map ! Your choice of large map pixels excluded 5.07% of the data. ! The x-axis pixel size should ideally be below 0.1751 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 357 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! 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* ! ! 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* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 1.01 HH 1.00* HN 1.10 ! KK 1.00* KP 1.00* LA 0.93 MK 1.00* ! NL 0.97 NY 1.01 ON 0.94 PT 0.99 ! SC 0.97 WZ 0.98 ZC 1.04 ! ! ! Correcting IF 2. ! A total of 357 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! 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* ! ! 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* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.07 FD 1.00 HH 1.00* HN 1.03 ! KK 1.00* KP 1.00* LA 0.92 MK 1.00* ! NL 0.98 NY 1.02 ON 0.95 PT 0.98 ! SC 0.98 WZ 0.98 ZC 1.02 ! ! ! Correcting IF 3. ! A total of 357 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! 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* ! ! 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* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.08 FD 0.99 HH 1.00* HN 1.02 ! KK 1.00* KP 1.00* LA 0.96 MK 1.00* ! NL 1.01 NY 0.97 ON 0.91 PT 0.97 ! SC 1.01 WZ 0.99 ZC 1.00 ! ! ! Correcting IF 4. ! A total of 357 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! 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* ! ! 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* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.06 FD 0.99 HH 1.00* HN 1.01 ! KK 1.00* KP 1.00* LA 0.96 MK 1.00* ! NL 1.00 NY 1.04 ON 0.88 PT 1.03 ! SC 1.00 WZ 0.98 ZC 1.01 ! ! ! Fit before self-cal, rms=0.199117Jy sigma=0.001225 ! Fit after self-cal, rms=0.193651Jy sigma=0.001228 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 5.28% of the data. ! The x-axis pixel size should ideally be below 0.1751 milli-arcsec ! Estimated beam: bmin=0.5315 mas, bmaj=1.461 mas, bpa=-9.548 degrees ! Estimated noise=562.947 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 = 0.00492629 Jy ! Component: 100 - total flux cleaned = 0.00722995 Jy ! Component: 150 - total flux cleaned = 0.00739268 Jy ! Component: 200 - total flux cleaned = 0.00738931 Jy ! Total flux subtracted in 200 components = 0.00738931 Jy ! Clean residual min=-0.003889 max=0.006041 Jy/beam ! Clean residual mean=0.000396 rms=0.001363 Jy/beam ! Combined flux in latest and established models = 0.351507 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 52 components and 0.351507 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.193515Jy sigma=0.001227 ! Fit after self-cal, rms=0.193469Jy sigma=0.001227 ! Inverting map ! Your choice of large map pixels excluded 5.28% of the data. ! The x-axis pixel size should ideally be below 0.1751 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=0.193469Jy sigma=0.001227 ! Fit after self-cal, rms=0.193148Jy sigma=0.001225 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.28% of the data. ! The x-axis pixel size should ideally be below 0.1751 milli-arcsec ! Estimated beam: bmin=0.5312 mas, bmaj=1.46 mas, bpa=-9.573 degrees ! Estimated noise=563.083 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00239578 Jy ! Component: 100 - total flux cleaned = 0.00290379 Jy ! Component: 150 - total flux cleaned = 0.00300345 Jy ! Component: 200 - total flux cleaned = 0.00286699 Jy ! Total flux subtracted in 200 components = 0.00286699 Jy ! Clean residual min=-0.002609 max=0.005023 Jy/beam ! Clean residual mean=0.000423 rms=0.001094 Jy/beam ! Combined flux in latest and established models = 0.354374 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 64 components and 0.354374 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.193104Jy sigma=0.001224 ! Fit after self-cal, rms=0.193146Jy sigma=0.001224 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.28% of the data. ! The x-axis pixel size should ideally be below 0.1751 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 (1.8, -8.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00444637 Jy ! Component: 100 - total flux cleaned = 0.00705689 Jy ! Component: 150 - total flux cleaned = 0.00886263 Jy ! Component: 200 - total flux cleaned = 0.00976809 Jy ! Total flux subtracted in 200 components = 0.00976809 Jy ! Clean residual min=-0.002832 max=0.004084 Jy/beam ! Clean residual mean=0.000294 rms=0.000936 Jy/beam ! Combined flux in latest and established models = 0.364142 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 85 components and 0.364142 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.193025Jy sigma=0.001223 ! Fit after self-cal, rms=0.193015Jy sigma=0.001223 ! Inverting map ! Your choice of large map pixels excluded 5.28% of the data. ! The x-axis pixel size should ideally be below 0.1751 milli-arcsec ! Added new window around map position (5.4, -6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0038266 Jy ! Component: 100 - total flux cleaned = 0.00626522 Jy ! Component: 150 - total flux cleaned = 0.00760979 Jy ! Component: 200 - total flux cleaned = 0.00856524 Jy ! Total flux subtracted in 200 components = 0.00856524 Jy ! Clean residual min=-0.002682 max=0.003502 Jy/beam ! Clean residual mean=0.000202 rms=0.000832 Jy/beam ! Combined flux in latest and established models = 0.372708 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 104 components and 0.372708 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192925Jy sigma=0.001223 ! Fit after self-cal, rms=0.192923Jy sigma=0.001223 ! Inverting map ! Your choice of large map pixels excluded 5.28% of the data. ! The x-axis pixel size should ideally be below 0.1751 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=0.192923Jy sigma=0.001223 ! Fit after self-cal, rms=0.194461Jy sigma=0.001222 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.28% of the data. ! The x-axis pixel size should ideally be below 0.1751 milli-arcsec ! Estimated beam: bmin=0.531 mas, bmaj=1.461 mas, bpa=-9.593 degrees ! Estimated noise=564.981 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00158872 Jy ! Component: 100 - total flux cleaned = 0.00205141 Jy ! Component: 150 - total flux cleaned = 0.00259172 Jy ! Component: 200 - total flux cleaned = 0.00303225 Jy ! Total flux subtracted in 200 components = 0.00303225 Jy ! Clean residual min=-0.002165 max=0.003154 Jy/beam ! Clean residual mean=0.000194 rms=0.000700 Jy/beam ! Combined flux in latest and established models = 0.37574 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 117 components and 0.37574 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194435Jy sigma=0.001222 ! Fit after self-cal, rms=0.194483Jy sigma=0.001222 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.28% of the data. ! The x-axis pixel size should ideally be below 0.1751 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 (6, -9.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00294174 Jy ! Component: 100 - total flux cleaned = 0.00458767 Jy ! Component: 150 - total flux cleaned = 0.00552539 Jy ! Component: 200 - total flux cleaned = 0.00577928 Jy ! Total flux subtracted in 200 components = 0.00577928 Jy ! Clean residual min=-0.002204 max=0.002229 Jy/beam ! Clean residual mean=0.000124 rms=0.000607 Jy/beam ! Combined flux in latest and established models = 0.381519 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 130 components and 0.381519 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194435Jy sigma=0.001221 ! Fit after self-cal, rms=0.194436Jy sigma=0.001221 ! Inverting map ! Your choice of large map pixels excluded 5.28% of the data. ! The x-axis pixel size should ideally be below 0.1751 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=0.194436Jy sigma=0.001221 ! Fit after self-cal, rms=0.194463Jy sigma=0.001221 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.28% of the data. ! The x-axis pixel size should ideally be below 0.1751 milli-arcsec ! Estimated beam: bmin=2.151 mas, bmaj=2.377 mas, bpa=48.44 degrees ! Estimated noise=873.819 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00254817 Jy ! Component: 100 - total flux cleaned = 0.00381628 Jy ! Component: 150 - total flux cleaned = 0.00464266 Jy ! Component: 200 - total flux cleaned = 0.00515031 Jy ! Total flux subtracted in 200 components = 0.00515031 Jy ! Clean residual min=-0.002697 max=0.003011 Jy/beam ! Clean residual mean=0.000263 rms=0.001018 Jy/beam ! Combined flux in latest and established models = 0.386669 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 146 components and 0.386669 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194456Jy sigma=0.001221 ! Fit after self-cal, rms=0.194455Jy sigma=0.001221 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.28% of the data. ! The x-axis pixel size should ideally be below 0.1751 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 = 0.000995233 Jy ! Component: 100 - total flux cleaned = 0.00127326 Jy ! Component: 150 - total flux cleaned = 0.00148865 Jy ! Component: 200 - total flux cleaned = 0.001686 Jy ! Total flux subtracted in 200 components = 0.001686 Jy ! Clean residual min=-0.002636 max=0.002715 Jy/beam ! Clean residual mean=0.000180 rms=0.000951 Jy/beam ! Combined flux in latest and established models = 0.388355 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 152 components and 0.388355 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194457Jy sigma=0.001221 ! Fit after self-cal, rms=0.194458Jy sigma=0.001221 ! Inverting map ! Your choice of large map pixels excluded 5.28% of the data. ! The x-axis pixel size should ideally be below 0.1751 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 5.28% of the data. ! The x-axis pixel size should ideally be below 0.1751 milli-arcsec ! Estimated beam: bmin=0.5309 mas, bmaj=1.462 mas, bpa=-9.586 degrees ! Estimated noise=565.221 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5309 x 1.462 at -9.586 degrees (North through East) ! Clean map min=-0.0023425 max=0.29095 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 5.28% of the data. ! The x-axis pixel size should ideally be below 0.1751 milli-arcsec ! Estimated beam: bmin=0.4746 mas, bmaj=1.373 mas, bpa=-9.559 degrees ! Estimated noise=1055.19 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.224595 Jy ! Component: 100 - total flux cleaned = 0.276585 Jy ! Component: 150 - total flux cleaned = 0.299259 Jy ! Component: 200 - total flux cleaned = 0.312652 Jy ! Total flux subtracted in 200 components = 0.312652 Jy ! Clean residual min=-0.006075 max=0.007458 Jy/beam ! Clean residual mean=0.000260 rms=0.001984 Jy/beam ! Combined flux in latest and established models = 0.312652 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.312652 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 5.28% of the data. ! The x-axis pixel size should ideally be below 0.1751 milli-arcsec ! Estimated beam: bmin=0.5309 mas, bmaj=1.462 mas, bpa=-9.586 degrees ! Estimated noise=565.221 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 = 0.0131258 Jy ! Component: 100 - total flux cleaned = 0.0220973 Jy ! Component: 150 - total flux cleaned = 0.0291291 Jy ! Component: 200 - total flux cleaned = 0.0348224 Jy ! Total flux subtracted in 200 components = 0.0348224 Jy ! Clean residual min=-0.002770 max=0.004382 Jy/beam ! Clean residual mean=0.000553 rms=0.001058 Jy/beam ! Combined flux in latest and established models = 0.347474 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 44 components and 0.347474 Jy ! Inverting map ! Your choice of large map pixels excluded 5.28% of the data. ! The x-axis pixel size should ideally be below 0.1751 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 5.28% of the data. ! The x-axis pixel size should ideally be below 0.1751 milli-arcsec ! Estimated beam: bmin=2.151 mas, bmaj=2.377 mas, bpa=48.44 degrees ! Estimated noise=873.819 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0107174 Jy ! Component: 100 - total flux cleaned = 0.0177152 Jy ! Component: 150 - total flux cleaned = 0.0227318 Jy ! Component: 200 - total flux cleaned = 0.0265851 Jy ! Total flux subtracted in 200 components = 0.0265851 Jy ! Clean residual min=-0.004077 max=0.004069 Jy/beam ! Clean residual mean=0.000870 rms=0.001257 Jy/beam ! Combined flux in latest and established models = 0.374059 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 = 0.00308022 Jy ! Component: 100 - total flux cleaned = 0.00558649 Jy ! Component: 150 - total flux cleaned = 0.00717571 Jy ! Component: 200 - total flux cleaned = 0.00838527 Jy ! Total flux subtracted in 200 components = 0.00838527 Jy ! Clean residual min=-0.003445 max=0.003252 Jy/beam ! Clean residual mean=0.000487 rms=0.001013 Jy/beam ! Combined flux in latest and established models = 0.382444 Jy ! Adding 83 model components to the UV plane model. ! The established model now contains 118 components and 0.382444 Jy ! Inverting map ! Your choice of large map pixels excluded 5.28% of the data. ! The x-axis pixel size should ideally be below 0.1751 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 5.28% of the data. ! The x-axis pixel size should ideally be below 0.1751 milli-arcsec ! Estimated beam: bmin=0.5309 mas, bmaj=1.462 mas, bpa=-9.586 degrees ! Estimated noise=565.221 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00166833 Jy ! Component: 100 - total flux cleaned = 0.001954 Jy ! Component: 150 - total flux cleaned = 0.00211985 Jy ! Component: 200 - total flux cleaned = 0.00233701 Jy ! Total flux subtracted in 200 components = 0.00233701 Jy ! Clean residual min=-0.002211 max=0.002320 Jy/beam ! Clean residual mean=0.000097 rms=0.000635 Jy/beam ! Combined flux in latest and established models = 0.384781 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 138 components and 0.384781 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194525Jy sigma=0.001222 ! Fit after self-cal, rms=0.194525Jy sigma=0.001221 wmodel J1745+1720_X_2008_07_09_pus_map.mod ! Writing 138 model components to file: J1745+1720_X_2008_07_09_pus_map.mod wobs J1745+1720_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J1745+1720_X_2008_07_09_pus_uvs.fits wwins J1745+1720_X_2008_07_09_pus_map.win ! wwins: Wrote 5 windows to J1745+1720_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 5.28% of the data. ! The x-axis pixel size should ideally be below 0.1751 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000454282 Jy ! Component: 100 - total flux cleaned = 0.000722019 Jy ! Component: 150 - total flux cleaned = 0.000971197 Jy ! Component: 200 - total flux cleaned = 0.00130775 Jy ! Component: 250 - total flux cleaned = 0.00162952 Jy ! Component: 300 - total flux cleaned = 0.00184554 Jy ! Component: 350 - total flux cleaned = 0.00205372 Jy ! Component: 400 - total flux cleaned = 0.00213995 Jy ! Component: 450 - total flux cleaned = 0.00230949 Jy ! Component: 500 - total flux cleaned = 0.0024474 Jy ! Component: 550 - total flux cleaned = 0.00258206 Jy ! Component: 600 - total flux cleaned = 0.00271388 Jy ! Component: 650 - total flux cleaned = 0.00286911 Jy ! Component: 700 - total flux cleaned = 0.00297047 Jy ! Component: 750 - total flux cleaned = 0.00314539 Jy ! Component: 800 - total flux cleaned = 0.00326802 Jy ! Component: 850 - total flux cleaned = 0.00336441 Jy ! Component: 900 - total flux cleaned = 0.00345875 Jy ! Component: 950 - total flux cleaned = 0.00352889 Jy ! Component: 1000 - total flux cleaned = 0.00366654 Jy ! Total flux subtracted in 1024 components = 0.00375728 Jy ! Clean residual min=-0.001438 max=0.001489 Jy/beam ! Clean residual mean=0.000070 rms=0.000442 Jy/beam ! Combined flux in latest and established models = 0.388539 Jy keep ! Adding 69 model components to the UV plane model. ! The established model now contains 206 components and 0.388539 Jy wmap "J1745+1720_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 5.28% of the data. ! The x-axis pixel size should ideally be below 0.1751 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5309 x 1.462 at -9.586 degrees (North through East) ! Clean map min=-0.0016232 max=0.2896 Jy/beam ! Writing clean map to FITS file: J1745+1720_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 0.289605 invert ! Inverting map ! Your choice of large map pixels excluded 5.28% of the data. ! The x-axis pixel size should ideally be below 0.1751 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000441106 device "J1745+1720_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J1745+1720_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.45694 0.45694 0.913879 1.82776 3.65552 7.31103 14.6221 29.2441 58.4883 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0013 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.289 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5309 x 1.462 at -9.586 degrees (North through East) ! Clean map min=-0.0016232 max=0.2896 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1745+1720_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J1745+1720_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1745+1720_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 20:19:17 2010