! Started logfile: J1419+3821_X_2008_07_09_pus_uvs.log on Sun Oct 10 20:18:36 2010 obs J1419+3821_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J1419+3821_X_2008_07_09_pus_uva.fits ! AN table 1: 128 integrations on 105 of 105 possible baselines. ! AN table 2: 381 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.21901 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1419+3821 ! ! 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 46820 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 667 telescope corrections were flagged in sub-array 1. ! A total of 3662 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 667 telescope corrections were flagged in sub-array 1. ! A total of 3662 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 667 telescope corrections were flagged in sub-array 1. ! A total of 3662 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 667 telescope corrections were flagged in sub-array 1. ! A total of 3662 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.933716Jy sigma=0.006959 ! Fit after self-cal, rms=0.862483Jy sigma=0.006463 ! 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 4.32% of the data. ! The x-axis pixel size should ideally be below 0.1629 milli-arcsec ! Estimated beam: bmin=0.5345 mas, bmaj=0.8457 mas, bpa=-12.03 degrees ! Estimated noise=872.439 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 = 0.109875 Jy ! Component: 100 - total flux cleaned = 0.148485 Jy ! Total flux subtracted in 100 components = 0.148485 Jy ! Clean residual min=-0.006863 max=0.018725 Jy/beam ! Clean residual mean=0.000516 rms=0.002409 Jy/beam ! Combined flux in latest and established models = 0.148485 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.148485 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200976Jy sigma=0.001287 ! Fit after self-cal, rms=0.200321Jy sigma=0.001284 ! Inverting map ! Your choice of large map pixels excluded 4.32% of the data. ! The x-axis pixel size should ideally be below 0.1629 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0251516 Jy ! Component: 100 - total flux cleaned = 0.0418854 Jy ! Total flux subtracted in 100 components = 0.0418854 Jy ! Clean residual min=-0.005521 max=0.010556 Jy/beam ! Clean residual mean=0.000298 rms=0.001680 Jy/beam ! Combined flux in latest and established models = 0.19037 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 17 components and 0.19037 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.195081Jy sigma=0.001229 ! Fit after self-cal, rms=0.194597Jy sigma=0.001228 ! Inverting map ! Your choice of large map pixels excluded 4.32% of the data. ! The x-axis pixel size should ideally be below 0.1629 milli-arcsec ! Added new window around map position (-0.6, 0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0138767 Jy ! Component: 100 - total flux cleaned = 0.023331 Jy ! Total flux subtracted in 100 components = 0.023331 Jy ! Clean residual min=-0.005079 max=0.006023 Jy/beam ! Clean residual mean=0.000178 rms=0.001429 Jy/beam ! Combined flux in latest and established models = 0.213701 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 22 components and 0.213701 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192862Jy sigma=0.001211 ! Fit after self-cal, rms=0.192651Jy sigma=0.001211 ! Inverting map ! Your choice of large map pixels excluded 4.32% of the data. ! The x-axis pixel size should ideally be below 0.1629 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 4.32% of the data. ! The x-axis pixel size should ideally be below 0.1629 milli-arcsec ! Estimated beam: bmin=0.6485 mas, bmaj=1.022 mas, bpa=-10.26 degrees ! Estimated noise=454.014 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 = 0.013068 Jy ! Component: 100 - total flux cleaned = 0.0203026 Jy ! Component: 150 - total flux cleaned = 0.0246755 Jy ! Component: 200 - total flux cleaned = 0.0273884 Jy ! Total flux subtracted in 200 components = 0.0273884 Jy ! Clean residual min=-0.003159 max=0.004734 Jy/beam ! Clean residual mean=0.000090 rms=0.001118 Jy/beam ! Combined flux in latest and established models = 0.24109 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 33 components and 0.24109 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.191602Jy sigma=0.001204 ! Fit after self-cal, rms=0.191457Jy sigma=0.001203 ! Inverting map ! Your choice of large map pixels excluded 4.32% of the data. ! The x-axis pixel size should ideally be below 0.1629 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00 HH 1.00* HN 1.10 ! KK 1.00* KP 1.01 LA 0.96 MK 1.00* ! NL 0.96 NY 1.03 ON 0.88 PT 1.00 ! SC 1.04 WZ 1.07 ZC 1.09 ! ! A total of 219 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.01 HH 1.00* HN 1.15 ! KK 0.99 KP 1.00 LA 0.95 MK 1.05 ! NL 1.05 NY 0.94 ON 0.90 PT 0.99 ! SC 1.05 WZ 0.80 ZC 1.05 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 HH 1.00* HN 1.01 ! KK 1.00* KP 0.98 LA 0.96 MK 1.00* ! NL 1.00 NY 1.03 ON 0.92 PT 1.02 ! SC 1.01 WZ 1.16 ZC 1.09 ! ! A total of 219 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 1.00 HH 1.00* HN 1.08 ! KK 0.95 KP 0.98 LA 0.98 MK 1.05 ! NL 1.04 NY 0.95 ON 0.89 PT 0.97 ! SC 1.03 WZ 0.88 ZC 1.06 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 HH 1.00* HN 1.03 ! KK 1.00* KP 0.99 LA 1.02 MK 1.00* ! NL 1.02 NY 0.94 ON 0.84 PT 1.02 ! SC 1.14 WZ 1.28 ZC 0.96 ! ! A total of 219 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.01 HH 1.00* HN 1.06 ! KK 0.93 KP 1.02 LA 1.07 MK 1.00 ! NL 1.10 NY 0.90 ON 0.89 PT 0.98 ! SC 1.08 WZ 0.90 ZC 1.02 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.05 HH 1.00* HN 1.06 ! KK 1.00* KP 1.02 LA 0.97 MK 1.00* ! NL 1.00 NY 1.05 ON 0.89 PT 1.07 ! SC 1.02 WZ 1.11 ZC 0.96 ! ! A total of 219 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.03 HH 1.00* HN 1.00 ! KK 0.89 KP 1.01 LA 0.95 MK 1.06 ! NL 1.10 NY 0.90 ON 0.92 PT 1.03 ! SC 1.13 WZ 0.96 ZC 0.92 ! ! ! Fit before self-cal, rms=0.191457Jy sigma=0.001203 ! Fit after self-cal, rms=0.180221Jy sigma=0.001202 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 4.36% of the data. ! The x-axis pixel size should ideally be below 0.1629 milli-arcsec ! Estimated beam: bmin=0.6492 mas, bmaj=1.003 mas, bpa=-11.02 degrees ! Estimated noise=453.133 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 (0.2, -2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.003496 Jy ! Component: 100 - total flux cleaned = 0.00468755 Jy ! Component: 150 - total flux cleaned = 0.00494511 Jy ! Component: 200 - total flux cleaned = 0.00516728 Jy ! Total flux subtracted in 200 components = 0.00516728 Jy ! Clean residual min=-0.002238 max=0.002588 Jy/beam ! Clean residual mean=0.000005 rms=0.000655 Jy/beam ! Combined flux in latest and established models = 0.246257 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 45 components and 0.246257 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180119Jy sigma=0.001202 ! Fit after self-cal, rms=0.179981Jy sigma=0.001201 ! Inverting map ! Your choice of large map pixels excluded 4.36% of the data. ! The x-axis pixel size should ideally be below 0.1629 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=0.179981Jy sigma=0.001201 ! Fit after self-cal, rms=0.178693Jy sigma=0.001200 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.36% of the data. ! The x-axis pixel size should ideally be below 0.1629 milli-arcsec ! Estimated beam: bmin=0.6452 mas, bmaj=1.007 mas, bpa=-10.29 degrees ! Estimated noise=452.157 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00214941 Jy ! Component: 100 - total flux cleaned = 0.00264397 Jy ! Component: 150 - total flux cleaned = 0.0028252 Jy ! Component: 200 - total flux cleaned = 0.00302472 Jy ! Total flux subtracted in 200 components = 0.00302472 Jy ! Clean residual min=-0.002047 max=0.002257 Jy/beam ! Clean residual mean=0.000004 rms=0.000577 Jy/beam ! Combined flux in latest and established models = 0.249282 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 49 components and 0.249282 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178655Jy sigma=0.001200 ! Fit after self-cal, rms=0.178667Jy sigma=0.001200 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.36% of the data. ! The x-axis pixel size should ideally be below 0.1629 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 = 0.000471992 Jy ! Component: 100 - total flux cleaned = 0.000729999 Jy ! Component: 150 - total flux cleaned = 0.000827316 Jy ! Component: 200 - total flux cleaned = 0.000856176 Jy ! Total flux subtracted in 200 components = 0.000856176 Jy ! Clean residual min=-0.001986 max=0.002145 Jy/beam ! Clean residual mean=-0.000015 rms=0.000576 Jy/beam ! Combined flux in latest and established models = 0.250138 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 54 components and 0.250138 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178654Jy sigma=0.001200 ! Fit after self-cal, rms=0.178650Jy sigma=0.001200 ! Inverting map ! Your choice of large map pixels excluded 4.36% of the data. ! The x-axis pixel size should ideally be below 0.1629 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=0.178650Jy sigma=0.001200 ! Fit after self-cal, rms=0.179097Jy sigma=0.001200 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.36% of the data. ! The x-axis pixel size should ideally be below 0.1629 milli-arcsec ! Estimated beam: bmin=0.6433 mas, bmaj=1.008 mas, bpa=-10.17 degrees ! Estimated noise=452.459 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00138712 Jy ! Component: 100 - total flux cleaned = 0.00201238 Jy ! Component: 150 - total flux cleaned = 0.00219189 Jy ! Component: 200 - total flux cleaned = 0.00230007 Jy ! Total flux subtracted in 200 components = 0.00230007 Jy ! Clean residual min=-0.002052 max=0.002226 Jy/beam ! Clean residual mean=-0.000009 rms=0.000569 Jy/beam ! Combined flux in latest and established models = 0.252438 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 57 components and 0.252438 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179079Jy sigma=0.001200 ! Fit after self-cal, rms=0.179092Jy sigma=0.001200 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.36% of the data. ! The x-axis pixel size should ideally be below 0.1629 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 = 0.000334594 Jy ! Component: 100 - total flux cleaned = 0.000386997 Jy ! Component: 150 - total flux cleaned = 0.000411328 Jy ! Component: 200 - total flux cleaned = 0.000410859 Jy ! Total flux subtracted in 200 components = 0.000410859 Jy ! Clean residual min=-0.002006 max=0.002154 Jy/beam ! Clean residual mean=-0.000018 rms=0.000568 Jy/beam ! Combined flux in latest and established models = 0.252849 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 61 components and 0.252849 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179086Jy sigma=0.001200 ! Fit after self-cal, rms=0.179081Jy sigma=0.001200 ! Inverting map ! Your choice of large map pixels excluded 4.36% of the data. ! The x-axis pixel size should ideally be below 0.1629 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=0.179081Jy sigma=0.001200 ! Fit after self-cal, rms=0.179195Jy sigma=0.001199 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.36% of the data. ! The x-axis pixel size should ideally be below 0.1629 milli-arcsec ! Estimated beam: bmin=2.416 mas, bmaj=2.582 mas, bpa=-46.27 degrees ! Estimated noise=662.16 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00162185 Jy ! Component: 100 - total flux cleaned = 0.00223585 Jy ! Component: 150 - total flux cleaned = 0.00231277 Jy ! Component: 200 - total flux cleaned = 0.0023767 Jy ! Total flux subtracted in 200 components = 0.0023767 Jy ! Clean residual min=-0.002313 max=0.002310 Jy/beam ! Clean residual mean=-0.000071 rms=0.000834 Jy/beam ! Combined flux in latest and established models = 0.255226 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 69 components and 0.255226 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179189Jy sigma=0.001200 ! Fit after self-cal, rms=0.179191Jy sigma=0.001200 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.36% of the data. ! The x-axis pixel size should ideally be below 0.1629 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 = 0.000211523 Jy ! Component: 100 - total flux cleaned = 0.000269021 Jy ! Component: 150 - total flux cleaned = 0.000287898 Jy ! Component: 200 - total flux cleaned = 0.000296501 Jy ! Total flux subtracted in 200 components = 0.000296501 Jy ! Clean residual min=-0.002386 max=0.002382 Jy/beam ! Clean residual mean=-0.000094 rms=0.000844 Jy/beam ! Combined flux in latest and established models = 0.255522 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 73 components and 0.255522 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179189Jy sigma=0.001200 ! Fit after self-cal, rms=0.179187Jy sigma=0.001200 ! Inverting map ! Your choice of large map pixels excluded 4.36% of the data. ! The x-axis pixel size should ideally be below 0.1629 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 4.36% of the data. ! The x-axis pixel size should ideally be below 0.1629 milli-arcsec ! Estimated beam: bmin=0.6423 mas, bmaj=1.007 mas, bpa=-10.23 degrees ! Estimated noise=452.891 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6423 x 1.007 at -10.23 degrees (North through East) ! Clean map min=-0.001644 max=0.15525 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 4.36% of the data. ! The x-axis pixel size should ideally be below 0.1629 milli-arcsec ! Estimated beam: bmin=0.5336 mas, bmaj=0.8333 mas, bpa=-12.19 degrees ! Estimated noise=842.455 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.107481 Jy ! Component: 100 - total flux cleaned = 0.151952 Jy ! Component: 150 - total flux cleaned = 0.179124 Jy ! Component: 200 - total flux cleaned = 0.197591 Jy ! Total flux subtracted in 200 components = 0.197591 Jy ! Clean residual min=-0.005162 max=0.010223 Jy/beam ! Clean residual mean=0.000296 rms=0.001602 Jy/beam ! Combined flux in latest and established models = 0.197591 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.197591 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 4.36% of the data. ! The x-axis pixel size should ideally be below 0.1629 milli-arcsec ! Estimated beam: bmin=0.6423 mas, bmaj=1.007 mas, bpa=-10.23 degrees ! Estimated noise=452.891 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 = 0.0214014 Jy ! Component: 100 - total flux cleaned = 0.0331198 Jy ! Component: 150 - total flux cleaned = 0.0404724 Jy ! Component: 200 - total flux cleaned = 0.0455658 Jy ! Total flux subtracted in 200 components = 0.0455658 Jy ! Clean residual min=-0.002390 max=0.003429 Jy/beam ! Clean residual mean=0.000262 rms=0.000706 Jy/beam ! Combined flux in latest and established models = 0.243157 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 34 components and 0.243157 Jy ! Inverting map ! Your choice of large map pixels excluded 4.36% of the data. ! The x-axis pixel size should ideally be below 0.1629 milli-arcsec ! Added new window around map position (0.2, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00397001 Jy ! Component: 100 - total flux cleaned = 0.00677388 Jy ! Component: 150 - total flux cleaned = 0.00884385 Jy ! Component: 200 - total flux cleaned = 0.00993046 Jy ! Total flux subtracted in 200 components = 0.00993046 Jy ! Clean residual min=-0.002320 max=0.002328 Jy/beam ! Clean residual mean=0.000029 rms=0.000568 Jy/beam ! Combined flux in latest and established models = 0.253087 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 47 components and 0.253087 Jy ! Inverting map ! Your choice of large map pixels excluded 4.36% of the data. ! The x-axis pixel size should ideally be below 0.1629 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 4.36% of the data. ! The x-axis pixel size should ideally be below 0.1629 milli-arcsec ! Estimated beam: bmin=2.416 mas, bmaj=2.582 mas, bpa=-46.27 degrees ! Estimated noise=662.16 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00171739 Jy ! Component: 100 - total flux cleaned = 0.00192561 Jy ! Component: 150 - total flux cleaned = 0.00204679 Jy ! Component: 200 - total flux cleaned = 0.0021381 Jy ! Total flux subtracted in 200 components = 0.0021381 Jy ! Clean residual min=-0.002303 max=0.002248 Jy/beam ! Clean residual mean=-0.000070 rms=0.000840 Jy/beam ! Combined flux in latest and established models = 0.255225 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 = 7.28183e-05 Jy ! Component: 100 - total flux cleaned = 0.000132865 Jy ! Component: 150 - total flux cleaned = 0.000163794 Jy ! Component: 200 - total flux cleaned = 0.000191134 Jy ! Total flux subtracted in 200 components = 0.000191134 Jy ! Clean residual min=-0.002361 max=0.002295 Jy/beam ! Clean residual mean=-0.000085 rms=0.000843 Jy/beam ! Combined flux in latest and established models = 0.255417 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 73 components and 0.255417 Jy ! Inverting map ! Your choice of large map pixels excluded 4.36% of the data. ! The x-axis pixel size should ideally be below 0.1629 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 4.36% of the data. ! The x-axis pixel size should ideally be below 0.1629 milli-arcsec ! Estimated beam: bmin=0.6423 mas, bmaj=1.007 mas, bpa=-10.23 degrees ! Estimated noise=452.891 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000204958 Jy ! Component: 100 - total flux cleaned = -4.65799e-05 Jy ! Component: 150 - total flux cleaned = 2.27443e-05 Jy ! Component: 200 - total flux cleaned = 8.62886e-05 Jy ! Total flux subtracted in 200 components = 8.62886e-05 Jy ! Clean residual min=-0.002118 max=0.002164 Jy/beam ! Clean residual mean=-0.000028 rms=0.000562 Jy/beam ! Combined flux in latest and established models = 0.255503 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 83 components and 0.255503 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179225Jy sigma=0.001200 ! Fit after self-cal, rms=0.179204Jy sigma=0.001200 wmodel J1419+3821_X_2008_07_09_pus_map.mod ! Writing 83 model components to file: J1419+3821_X_2008_07_09_pus_map.mod wobs J1419+3821_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J1419+3821_X_2008_07_09_pus_uvs.fits wwins J1419+3821_X_2008_07_09_pus_map.win ! wwins: Wrote 4 windows to J1419+3821_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 4.36% of the data. ! The x-axis pixel size should ideally be below 0.1629 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 1.0355e-05 Jy ! Component: 100 - total flux cleaned = 4.60972e-05 Jy ! Component: 150 - total flux cleaned = 7.88679e-05 Jy ! Component: 200 - total flux cleaned = 4.70219e-05 Jy ! Component: 250 - total flux cleaned = 7.86129e-05 Jy ! Component: 300 - total flux cleaned = 0.000109456 Jy ! Component: 350 - total flux cleaned = 0.000139609 Jy ! Component: 400 - total flux cleaned = 0.000139439 Jy ! Component: 450 - total flux cleaned = 5.28307e-05 Jy ! Component: 500 - total flux cleaned = 5.27308e-05 Jy ! Component: 550 - total flux cleaned = -3.12114e-05 Jy ! Component: 600 - total flux cleaned = -0.000113279 Jy ! Component: 650 - total flux cleaned = -0.000194195 Jy ! Component: 700 - total flux cleaned = -0.000274021 Jy ! Component: 750 - total flux cleaned = -0.000404841 Jy ! Component: 800 - total flux cleaned = -0.000456268 Jy ! Component: 850 - total flux cleaned = -0.000456558 Jy ! Component: 900 - total flux cleaned = -0.000532004 Jy ! Component: 950 - total flux cleaned = -0.000581474 Jy ! Component: 1000 - total flux cleaned = -0.000630452 Jy ! Total flux subtracted in 1024 components = -0.000606423 Jy ! Clean residual min=-0.001448 max=0.001312 Jy/beam ! Clean residual mean=-0.000015 rms=0.000457 Jy/beam ! Combined flux in latest and established models = 0.254897 Jy keep ! Adding 68 model components to the UV plane model. ! The established model now contains 151 components and 0.254897 Jy wmap "J1419+3821_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 4.36% of the data. ! The x-axis pixel size should ideally be below 0.1629 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6423 x 1.007 at -10.23 degrees (North through East) ! Clean map min=-0.00173 max=0.15384 Jy/beam ! Writing clean map to FITS file: J1419+3821_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 0.153835 invert ! Inverting map ! Your choice of large map pixels excluded 4.36% of the data. ! The x-axis pixel size should ideally be below 0.1629 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00045685 device "J1419+3821_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J1419+3821_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.890921 0.890921 1.78184 3.56368 7.12737 14.2547 28.5095 57.0189 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0013 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.153 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6423 x 1.007 at -10.23 degrees (North through East) ! Clean map min=-0.00173 max=0.15384 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1419+3821_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J1419+3821_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1419+3821_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 20:18:43 2010