! Started logfile: J0850-1213_X_2010_10_13_pus_uvs.log on Mon Feb 28 17:16:01 2011 obs J0850-1213_X_2010_10_13_pus_uva.fits ! Reading UV FITS file: J0850-1213_X_2010_10_13_pus_uva.fits ! AN table 1: 173 integrations on 105 of 105 possible baselines. ! AN table 2: 120 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.126475 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0850-1213 ! ! 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 8.40996e+09 8e+06 1 8e+06 ! 02 2 8.47996e+09 8e+06 1 8e+06 ! 03 3 8.79496e+09 8e+06 1 8e+06 ! 04 4 8.89996e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 5978 lines of history. ! ! Reading 15564 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 ![@muppet J0850-1213_X_2010_10_13_pus] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 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 1558 telescope corrections were flagged in sub-array 1. ! A total of 1600 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1558 telescope corrections were flagged in sub-array 1. ! A total of 1600 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1558 telescope corrections were flagged in sub-array 1. ! A total of 1600 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1558 telescope corrections were flagged in sub-array 1. ! A total of 1600 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.313229Jy sigma=0.003178 ! Fit after self-cal, rms=0.206842Jy sigma=0.001921 ! 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 9.68% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=0.5552 mas, bmaj=1 mas, bpa=7.545 degrees ! Estimated noise=948.288 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 = 0.793752 Jy ! Component: 100 - total flux cleaned = 0.977939 Jy ! Total flux subtracted in 100 components = 0.977939 Jy ! Clean residual min=-0.019285 max=0.062948 Jy/beam ! Clean residual mean=0.000029 rms=0.007586 Jy/beam ! Combined flux in latest and established models = 0.977939 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.977939 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197988Jy sigma=0.001952 ! Fit after self-cal, rms=0.198032Jy sigma=0.001951 ! Inverting map ! Your choice of large map pixels excluded 9.68% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0659545 Jy ! Component: 100 - total flux cleaned = 0.09994 Jy ! Total flux subtracted in 100 components = 0.09994 Jy ! Clean residual min=-0.015620 max=0.018531 Jy/beam ! Clean residual mean=-0.000496 rms=0.004509 Jy/beam ! Combined flux in latest and established models = 1.07788 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 14 components and 1.07788 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178119Jy sigma=0.001581 ! Fit after self-cal, rms=0.178083Jy sigma=0.001579 ! Inverting map ! Your choice of large map pixels excluded 9.68% of the data. ! The x-axis pixel size should ideally be below 0.1617 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 9.68% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=0.7958 mas, bmaj=1.517 mas, bpa=-0.08948 degrees ! Estimated noise=549.439 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) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0180291 Jy ! Component: 100 - total flux cleaned = 0.0260834 Jy ! Component: 150 - total flux cleaned = 0.0298922 Jy ! Component: 200 - total flux cleaned = 0.0307034 Jy ! Total flux subtracted in 200 components = 0.0307034 Jy ! Clean residual min=-0.013429 max=0.007846 Jy/beam ! Clean residual mean=-0.003752 rms=0.003188 Jy/beam ! Combined flux in latest and established models = 1.10858 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 21 components and 1.10858 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177281Jy sigma=0.001554 ! Fit after self-cal, rms=0.177269Jy sigma=0.001554 ! Inverting map ! Your choice of large map pixels excluded 9.68% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 60 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.86 HH 1.03 HN 1.03 ! KB 1.06 KK 1.03 KP 1.00 LA 1.00 ! MK 0.98 NL 0.99 NY 1.00* OV 0.97 ! PT 0.98 SC 0.98 TS 1.00 ! ! A total of 129 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.00* HH 1.00* HN 1.00* ! KB 1.12 KK 1.00* KP 0.98 LA 1.00* ! MK 1.01 NL 1.00* NY 1.00* OV 0.99 ! PT 1.00* SC 1.00* TS 1.05 ! ! ! Correcting IF 2. ! A total of 60 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.01 HH 1.02 HN 1.04 ! KB 1.11 KK 1.05 KP 0.99 LA 0.96 ! MK 0.94 NL 1.02 NY 1.00* OV 1.00 ! PT 0.99 SC 1.00 TS 0.99 ! ! A total of 129 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.00* HH 1.00* HN 1.00* ! KB 1.14 KK 1.00* KP 0.96 LA 1.00* ! MK 0.98 NL 1.00* NY 1.00* OV 1.01 ! PT 1.00* SC 1.00* TS 1.07 ! ! ! Correcting IF 3. ! A total of 60 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.01 HH 1.01 HN 1.06 ! KB 1.10 KK 1.01 KP 0.99 LA 0.95 ! MK 0.99 NL 0.97 NY 1.00* OV 0.99 ! PT 1.04 SC 1.01 TS 0.96 ! ! A total of 129 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.00* HH 1.00* HN 1.00* ! KB 1.09 KK 1.00* KP 0.98 LA 1.00* ! MK 1.05 NL 1.00* NY 1.00* OV 0.98 ! PT 1.00* SC 1.00* TS 1.05 ! ! ! Correcting IF 4. ! A total of 60 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.02 HH 0.99 HN 1.02 ! KB 1.06 KK 1.03 KP 0.99 LA 1.02 ! MK 0.98 NL 1.00 NY 1.00* OV 1.03 ! PT 0.99 SC 1.01 TS 0.90 ! ! A total of 129 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.00* HH 1.00* HN 1.00* ! KB 1.12 KK 1.00* KP 0.97 LA 1.00* ! MK 1.01 NL 1.00* NY 1.00* OV 1.03 ! PT 1.00* SC 1.00* TS 0.91 ! ! ! Fit before self-cal, rms=0.177269Jy sigma=0.001554 ! Fit after self-cal, rms=0.169736Jy sigma=0.001385 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=0.8281 mas, bmaj=1.686 mas, bpa=4.57 degrees ! Estimated noise=559.742 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 = -0.00531925 Jy ! Component: 100 - total flux cleaned = -0.00576885 Jy ! Component: 150 - total flux cleaned = -0.00605315 Jy ! Component: 200 - total flux cleaned = -0.00605458 Jy ! Total flux subtracted in 200 components = -0.00605458 Jy ! Clean residual min=-0.010692 max=0.010682 Jy/beam ! Clean residual mean=0.000104 rms=0.002640 Jy/beam ! Combined flux in latest and established models = 1.10253 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 22 components and 1.10253 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169421Jy sigma=0.001384 ! Fit after self-cal, rms=0.169456Jy sigma=0.001384 ! Inverting map ! Your choice of large map pixels excluded 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 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=0.169456Jy sigma=0.001384 ! Fit after self-cal, rms=0.162564Jy sigma=0.001319 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=0.8272 mas, bmaj=1.694 mas, bpa=4.321 degrees ! Estimated noise=558.621 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00153992 Jy ! Component: 100 - total flux cleaned = -0.00160682 Jy ! Component: 150 - total flux cleaned = -0.00166903 Jy ! Component: 200 - total flux cleaned = -0.00172508 Jy ! Total flux subtracted in 200 components = -0.00172508 Jy ! Clean residual min=-0.003971 max=0.005708 Jy/beam ! Clean residual mean=0.000009 rms=0.001173 Jy/beam ! Combined flux in latest and established models = 1.1008 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 24 components and 1.1008 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162501Jy sigma=0.001319 ! Fit after self-cal, rms=0.162532Jy sigma=0.001319 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 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 (1.4, 1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00494736 Jy ! Component: 100 - total flux cleaned = 0.00650743 Jy ! Component: 150 - total flux cleaned = 0.00674121 Jy ! Component: 200 - total flux cleaned = 0.00681029 Jy ! Total flux subtracted in 200 components = 0.00681029 Jy ! Clean residual min=-0.003806 max=0.003374 Jy/beam ! Clean residual mean=-0.000081 rms=0.000995 Jy/beam ! Combined flux in latest and established models = 1.10761 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 40 components and 1.10761 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162320Jy sigma=0.001316 ! Fit after self-cal, rms=0.162301Jy sigma=0.001316 ! Inverting map ! Your choice of large map pixels excluded 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 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=0.162301Jy sigma=0.001316 ! Fit after self-cal, rms=0.163743Jy sigma=0.001304 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=0.8272 mas, bmaj=1.696 mas, bpa=4.257 degrees ! Estimated noise=558.77 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00124741 Jy ! Component: 100 - total flux cleaned = 0.00155733 Jy ! Component: 150 - total flux cleaned = 0.00174509 Jy ! Component: 200 - total flux cleaned = 0.00191234 Jy ! Total flux subtracted in 200 components = 0.00191234 Jy ! Clean residual min=-0.002734 max=0.002485 Jy/beam ! Clean residual mean=-0.000035 rms=0.000658 Jy/beam ! Combined flux in latest and established models = 1.10953 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 54 components and 1.10953 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163653Jy sigma=0.001303 ! Fit after self-cal, rms=0.163763Jy sigma=0.001303 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 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 = 0.000219603 Jy ! Component: 100 - total flux cleaned = 0.000321563 Jy ! Component: 150 - total flux cleaned = 0.000415692 Jy ! Component: 200 - total flux cleaned = 0.00037326 Jy ! Total flux subtracted in 200 components = 0.00037326 Jy ! Clean residual min=-0.002673 max=0.002382 Jy/beam ! Clean residual mean=-0.000040 rms=0.000640 Jy/beam ! Combined flux in latest and established models = 1.1099 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 57 components and 1.1099 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163720Jy sigma=0.001302 ! Fit after self-cal, rms=0.163711Jy sigma=0.001302 ! Inverting map ! Your choice of large map pixels excluded 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 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=0.163711Jy sigma=0.001302 ! Fit after self-cal, rms=0.163762Jy sigma=0.001302 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=2.247 mas, bmaj=4.182 mas, bpa=-11.81 degrees ! Estimated noise=671.19 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000569794 Jy ! Component: 100 - total flux cleaned = 0.000602927 Jy ! Component: 150 - total flux cleaned = 0.00063199 Jy ! Component: 200 - total flux cleaned = 0.000659357 Jy ! Total flux subtracted in 200 components = 0.000659357 Jy ! Clean residual min=-0.002533 max=0.002297 Jy/beam ! Clean residual mean=-0.000059 rms=0.000726 Jy/beam ! Combined flux in latest and established models = 1.11056 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 65 components and 1.11056 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163747Jy sigma=0.001302 ! Fit after self-cal, rms=0.163747Jy sigma=0.001302 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 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 = 0.00016492 Jy ! Component: 100 - total flux cleaned = 0.000190816 Jy ! Component: 150 - total flux cleaned = 0.000214559 Jy ! Component: 200 - total flux cleaned = 0.000235294 Jy ! Total flux subtracted in 200 components = 0.000235294 Jy ! Clean residual min=-0.002517 max=0.002267 Jy/beam ! Clean residual mean=-0.000066 rms=0.000723 Jy/beam ! Combined flux in latest and established models = 1.11079 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 68 components and 1.11079 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163738Jy sigma=0.001302 ! Fit after self-cal, rms=0.163736Jy sigma=0.001302 ! Inverting map ! Your choice of large map pixels excluded 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 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 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=0.8271 mas, bmaj=1.696 mas, bpa=4.29 degrees ! Estimated noise=558.631 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8271 x 1.696 at 4.29 degrees (North through East) ! Clean map min=-0.0025725 max=1.0414 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=0.163736Jy sigma=0.001302 ! Fit after self-cal, rms=0.153961Jy sigma=0.001171 ! Inverting map and beam ! Your choice of large map pixels excluded 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=0.8272 mas, bmaj=1.697 mas, bpa=4.28 degrees ! Estimated noise=558.334 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.54164e-05 Jy ! Component: 100 - total flux cleaned = -3.45518e-05 Jy ! Component: 150 - total flux cleaned = 6.19316e-06 Jy ! Component: 200 - total flux cleaned = 4.37345e-05 Jy ! Total flux subtracted in 200 components = 4.37345e-05 Jy ! Clean residual min=-0.002622 max=0.002370 Jy/beam ! Clean residual mean=-0.000020 rms=0.000609 Jy/beam ! Combined flux in latest and established models = 1.11084 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 72 components and 1.11084 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153927Jy sigma=0.001170 ! Fit after self-cal, rms=0.153925Jy sigma=0.001170 ! Inverting map ! Your choice of large map pixels excluded 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.45516e-05 Jy ! Component: 100 - total flux cleaned = 0.000129099 Jy ! Component: 150 - total flux cleaned = 9.66702e-05 Jy ! Component: 200 - total flux cleaned = 9.70375e-05 Jy ! Total flux subtracted in 200 components = 9.70375e-05 Jy ! Clean residual min=-0.002600 max=0.002332 Jy/beam ! Clean residual mean=-0.000021 rms=0.000604 Jy/beam ! Combined flux in latest and established models = 1.11093 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 76 components and 1.11093 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153905Jy sigma=0.001170 ! Fit after self-cal, rms=0.153903Jy sigma=0.001170 ! Inverting map ! Your choice of large map pixels excluded 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153903Jy sigma=0.001170 ! Fit after self-cal, rms=0.153937Jy sigma=0.001170 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 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=0.5728 mas, bmaj=1.167 mas, bpa=12.93 degrees ! Estimated noise=965.611 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.793806 Jy ! Component: 100 - total flux cleaned = 0.972282 Jy ! Component: 150 - total flux cleaned = 1.03179 Jy ! Component: 200 - total flux cleaned = 1.06116 Jy ! Total flux subtracted in 200 components = 1.06116 Jy ! Clean residual min=-0.005215 max=0.013675 Jy/beam ! Clean residual mean=0.000185 rms=0.001891 Jy/beam ! Combined flux in latest and established models = 1.06116 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 1.06116 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=0.8272 mas, bmaj=1.697 mas, bpa=4.294 degrees ! Estimated noise=558.187 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 = 0.0220768 Jy ! Component: 100 - total flux cleaned = 0.0322755 Jy ! Component: 150 - total flux cleaned = 0.0382478 Jy ! Component: 200 - total flux cleaned = 0.0420708 Jy ! Total flux subtracted in 200 components = 0.0420708 Jy ! Clean residual min=-0.002618 max=0.003527 Jy/beam ! Clean residual mean=0.000076 rms=0.000776 Jy/beam ! Combined flux in latest and established models = 1.10323 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 39 components and 1.10323 Jy ! Inverting map ! Your choice of large map pixels excluded 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Added new window around map position (0.2, 5.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00325638 Jy ! Component: 100 - total flux cleaned = 0.00531267 Jy ! Component: 150 - total flux cleaned = 0.00637811 Jy ! Component: 200 - total flux cleaned = 0.00673871 Jy ! Total flux subtracted in 200 components = 0.00673871 Jy ! Clean residual min=-0.002427 max=0.002446 Jy/beam ! Clean residual mean=-0.000007 rms=0.000573 Jy/beam ! Combined flux in latest and established models = 1.10997 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 65 components and 1.10997 Jy ! Inverting map ! Your choice of large map pixels excluded 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Added new window around map position (-5.4, 6.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00155959 Jy ! Component: 100 - total flux cleaned = 0.00181002 Jy ! Component: 150 - total flux cleaned = 0.00202845 Jy ! Component: 200 - total flux cleaned = 0.00210579 Jy ! Total flux subtracted in 200 components = 0.00210579 Jy ! Clean residual min=-0.002312 max=0.001727 Jy/beam ! Clean residual mean=-0.000041 rms=0.000525 Jy/beam ! Combined flux in latest and established models = 1.11208 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 76 components and 1.11208 Jy ! Inverting map ! Your choice of large map pixels excluded 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 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 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=2.246 mas, bmaj=4.181 mas, bpa=-11.79 degrees ! Estimated noise=670.789 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000403966 Jy ! Component: 100 - total flux cleaned = 0.000560792 Jy ! Component: 150 - total flux cleaned = 0.000560194 Jy ! Component: 200 - total flux cleaned = 0.000560697 Jy ! Total flux subtracted in 200 components = 0.000560697 Jy ! Clean residual min=-0.002177 max=0.001590 Jy/beam ! Clean residual mean=-0.000097 rms=0.000568 Jy/beam ! Combined flux in latest and established models = 1.11264 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 = -1.26965e-07 Jy ! Component: 100 - total flux cleaned = 1.99901e-07 Jy ! Component: 150 - total flux cleaned = 4.66109e-07 Jy ! Component: 200 - total flux cleaned = 1.38056e-05 Jy ! Total flux subtracted in 200 components = 1.38056e-05 Jy ! Clean residual min=-0.002157 max=0.001566 Jy/beam ! Clean residual mean=-0.000098 rms=0.000565 Jy/beam ! Combined flux in latest and established models = 1.11265 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 94 components and 1.11265 Jy ! Inverting map ! Your choice of large map pixels excluded 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=0.8272 mas, bmaj=1.697 mas, bpa=4.294 degrees ! Estimated noise=558.187 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -7.91721e-05 Jy ! Component: 100 - total flux cleaned = -7.95324e-05 Jy ! Component: 150 - total flux cleaned = -0.000108495 Jy ! Component: 200 - total flux cleaned = -0.000163992 Jy ! Total flux subtracted in 200 components = -0.000163992 Jy ! Clean residual min=-0.002254 max=0.001729 Jy/beam ! Clean residual mean=-0.000045 rms=0.000512 Jy/beam ! Combined flux in latest and established models = 1.11249 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 106 components and 1.11249 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153813Jy sigma=0.001170 ! Fit after self-cal, rms=0.153769Jy sigma=0.001169 wmodel J0850-1213_X_2010_10_13_pus_map.mod ! Writing 106 model components to file: J0850-1213_X_2010_10_13_pus_map.mod wobs J0850-1213_X_2010_10_13_pus_uvs.fits ! Writing UV FITS file: J0850-1213_X_2010_10_13_pus_uvs.fits wwins J0850-1213_X_2010_10_13_pus_map.win ! wwins: Wrote 4 windows to J0850-1213_X_2010_10_13_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 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000950259 Jy ! Component: 100 - total flux cleaned = -0.00138516 Jy ! Component: 150 - total flux cleaned = -0.00178843 Jy ! Component: 200 - total flux cleaned = -0.00202574 Jy ! Component: 250 - total flux cleaned = -0.00222653 Jy ! Component: 300 - total flux cleaned = -0.00233792 Jy ! Component: 350 - total flux cleaned = -0.00241928 Jy ! Component: 400 - total flux cleaned = -0.00249861 Jy ! Component: 450 - total flux cleaned = -0.00255006 Jy ! Component: 500 - total flux cleaned = -0.00257506 Jy ! Component: 550 - total flux cleaned = -0.00259943 Jy ! Component: 600 - total flux cleaned = -0.00255106 Jy ! Component: 650 - total flux cleaned = -0.00257473 Jy ! Component: 700 - total flux cleaned = -0.00262126 Jy ! Component: 750 - total flux cleaned = -0.00266676 Jy ! Component: 800 - total flux cleaned = -0.00268915 Jy ! Component: 850 - total flux cleaned = -0.00273335 Jy ! Component: 900 - total flux cleaned = -0.00273329 Jy ! Component: 950 - total flux cleaned = -0.00275482 Jy ! Component: 1000 - total flux cleaned = -0.00275483 Jy ! Total flux subtracted in 1024 components = -0.00273375 Jy ! Clean residual min=-0.001206 max=0.001175 Jy/beam ! Clean residual mean=-0.000015 rms=0.000408 Jy/beam ! Combined flux in latest and established models = 1.10975 Jy keep ! Adding 63 model components to the UV plane model. ! The established model now contains 169 components and 1.10975 Jy ![Exited script file: muppet] wmap "J0850-1213_X_2010_10_13_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8272 x 1.697 at 4.294 degrees (North through East) ! Clean map min=-0.0023883 max=1.0432 Jy/beam ! Writing clean map to FITS file: J0850-1213_X_2010_10_13_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.04316 invert ! Inverting map ! Your choice of large map pixels excluded 8.84% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000405866 device "J0850-1213_X_2010_10_13_pus\_map.eps/VPS" ! Attempting to open device: 'J0850-1213_X_2010_10_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.116722 0.116722 0.233444 0.466888 0.933776 1.86755 3.7351 7.47021 14.9404 29.8808 59.7617 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0012 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.043 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8272 x 1.697 at 4.294 degrees (North through East) ! Clean map min=-0.0023883 max=1.0432 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0850-1213_X_2010_10_13_pus\_map.gif/vgif" ! Attempting to open device: 'J0850-1213_X_2010_10_13_pus_map.gif/vgif' mapplot cln