! Started logfile: J1911-2006_X_2008_07_09_pus_uvs.log on Sun Oct 10 22:30:56 2010 obs J1911-2006_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J1911-2006_X_2008_07_09_pus_uva.fits ! AN table 1: 93 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.102509 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1911-2006 ! ! 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 1146 lines of history. ! ! Reading 4004 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 1063 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1062 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1064 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1066 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.003169Jy sigma=0.008682 ! Fit after self-cal, rms=0.528783Jy sigma=0.004576 ! 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 5.36% of the data. ! The x-axis pixel size should ideally be below 0.1903 milli-arcsec ! Estimated beam: bmin=0.663 mas, bmaj=1.863 mas, bpa=-4.618 degrees ! Estimated noise=1851.78 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 = 1.11735 Jy ! Component: 100 - total flux cleaned = 1.3923 Jy ! Total flux subtracted in 100 components = 1.3923 Jy ! Clean residual min=-0.042193 max=0.119456 Jy/beam ! Clean residual mean=0.004982 rms=0.020112 Jy/beam ! Combined flux in latest and established models = 1.3923 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 1.3923 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.290989Jy sigma=0.002407 ! Fit after self-cal, rms=0.290940Jy sigma=0.002407 ! Inverting map ! Your choice of large map pixels excluded 5.36% of the data. ! The x-axis pixel size should ideally be below 0.1903 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 5.36% of the data. ! The x-axis pixel size should ideally be below 0.1903 milli-arcsec ! Estimated beam: bmin=0.6793 mas, bmaj=2.158 mas, bpa=-6.926 degrees ! Estimated noise=1466.46 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 = 0.16579 Jy ! Component: 100 - total flux cleaned = 0.250343 Jy ! Component: 150 - total flux cleaned = 0.296783 Jy ! Component: 200 - total flux cleaned = 0.324171 Jy ! Total flux subtracted in 200 components = 0.324171 Jy ! Clean residual min=-0.023266 max=0.032468 Jy/beam ! Clean residual mean=-0.000005 rms=0.008409 Jy/beam ! Combined flux in latest and established models = 1.71647 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 30 components and 1.71647 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.191582Jy sigma=0.001492 ! Fit after self-cal, rms=0.191359Jy sigma=0.001490 ! Inverting map ! Your choice of large map pixels excluded 5.36% of the data. ! The x-axis pixel size should ideally be below 0.1903 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 66 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.97 HH 1.00* HN 1.12 ! KK 1.02 KP 1.00 LA 0.98 MK 0.97 ! NL 1.02 NY 1.00* ON 1.00* PT 0.99 ! SC 0.98 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 66 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.96 HH 1.00* HN 1.03 ! KK 1.00 KP 0.95 LA 0.98 MK 0.96 ! NL 1.02 NY 1.00* ON 1.00* PT 0.99 ! SC 0.98 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 69 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.96 HH 1.00* HN 1.03 ! KK 0.99 KP 0.99 LA 1.01 MK 0.98 ! NL 1.03 NY 1.00* ON 1.00* PT 0.99 ! SC 1.03 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 66 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.97 HH 1.00* HN 1.04 ! KK 0.97 KP 0.98 LA 0.98 MK 1.00 ! NL 1.05 NY 1.00* ON 1.00* PT 1.04 ! SC 1.05 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.191359Jy sigma=0.001490 ! Fit after self-cal, rms=0.177991Jy sigma=0.001396 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 milli-arcsec ! Estimated beam: bmin=0.7027 mas, bmaj=2.228 mas, bpa=-6.937 degrees ! Estimated noise=1476.75 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 = 0.0071825 Jy ! Component: 100 - total flux cleaned = 0.00785938 Jy ! Component: 150 - total flux cleaned = 0.00841006 Jy ! Component: 200 - total flux cleaned = 0.00904374 Jy ! Total flux subtracted in 200 components = 0.00904374 Jy ! Clean residual min=-0.016927 max=0.017692 Jy/beam ! Clean residual mean=-0.001667 rms=0.005830 Jy/beam ! Combined flux in latest and established models = 1.72552 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 38 components and 1.72552 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177083Jy sigma=0.001389 ! Fit after self-cal, rms=0.177079Jy sigma=0.001389 ! Inverting map ! Your choice of large map pixels excluded 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 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=0.177079Jy sigma=0.001389 ! Fit after self-cal, rms=0.173005Jy sigma=0.001347 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 milli-arcsec ! Estimated beam: bmin=0.7017 mas, bmaj=2.229 mas, bpa=-6.986 degrees ! Estimated noise=1479.42 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00533451 Jy ! Component: 100 - total flux cleaned = 0.00625866 Jy ! Component: 150 - total flux cleaned = 0.00595808 Jy ! Component: 200 - total flux cleaned = 0.00570447 Jy ! Total flux subtracted in 200 components = 0.00570447 Jy ! Clean residual min=-0.010424 max=0.018832 Jy/beam ! Clean residual mean=0.000781 rms=0.004491 Jy/beam ! Combined flux in latest and established models = 1.73122 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 44 components and 1.73122 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172262Jy sigma=0.001342 ! Fit after self-cal, rms=0.172244Jy sigma=0.001341 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 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 = -0.000202966 Jy ! Component: 100 - total flux cleaned = 0.000259332 Jy ! Component: 150 - total flux cleaned = 0.000549281 Jy ! Component: 200 - total flux cleaned = 0.000551688 Jy ! Total flux subtracted in 200 components = 0.000551688 Jy ! Clean residual min=-0.010416 max=0.019003 Jy/beam ! Clean residual mean=0.000759 rms=0.004457 Jy/beam ! Combined flux in latest and established models = 1.73177 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 48 components and 1.73177 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172029Jy sigma=0.001340 ! Fit after self-cal, rms=0.172022Jy sigma=0.001340 ! Inverting map ! Your choice of large map pixels excluded 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 milli-arcsec ! Added new window around map position (7, 5.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0178396 Jy ! Component: 100 - total flux cleaned = 0.0269619 Jy ! Component: 150 - total flux cleaned = 0.0312519 Jy ! Component: 200 - total flux cleaned = 0.0325399 Jy ! Total flux subtracted in 200 components = 0.0325399 Jy ! Clean residual min=-0.010129 max=0.012704 Jy/beam ! Clean residual mean=-0.000030 rms=0.003290 Jy/beam ! Combined flux in latest and established models = 1.76431 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 64 components and 1.76431 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170537Jy sigma=0.001323 ! Fit after self-cal, rms=0.170411Jy sigma=0.001322 ! Inverting map ! Your choice of large map pixels excluded 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 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=0.170411Jy sigma=0.001322 ! Fit after self-cal, rms=0.170487Jy sigma=0.001319 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 milli-arcsec ! Estimated beam: bmin=0.7014 mas, bmaj=2.234 mas, bpa=-7.062 degrees ! Estimated noise=1481.74 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00645934 Jy ! Component: 100 - total flux cleaned = 0.00938407 Jy ! Component: 150 - total flux cleaned = 0.0104629 Jy ! Component: 200 - total flux cleaned = 0.0108485 Jy ! Total flux subtracted in 200 components = 0.0108485 Jy ! Clean residual min=-0.009939 max=0.010757 Jy/beam ! Clean residual mean=0.000182 rms=0.002866 Jy/beam ! Combined flux in latest and established models = 1.77516 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 71 components and 1.77516 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170130Jy sigma=0.001315 ! Fit after self-cal, rms=0.170118Jy sigma=0.001315 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 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 = 0.0019572 Jy ! Component: 100 - total flux cleaned = 0.0025076 Jy ! Component: 150 - total flux cleaned = 0.00269931 Jy ! Component: 200 - total flux cleaned = 0.00270248 Jy ! Total flux subtracted in 200 components = 0.00270248 Jy ! Clean residual min=-0.009760 max=0.010314 Jy/beam ! Clean residual mean=0.000108 rms=0.002778 Jy/beam ! Combined flux in latest and established models = 1.77786 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 80 components and 1.77786 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170042Jy sigma=0.001314 ! Fit after self-cal, rms=0.170037Jy sigma=0.001314 ! Inverting map ! Your choice of large map pixels excluded 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 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=0.170037Jy sigma=0.001314 ! Fit after self-cal, rms=0.170168Jy sigma=0.001313 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 milli-arcsec ! Estimated beam: bmin=2.121 mas, bmaj=4.278 mas, bpa=8.596 degrees ! Estimated noise=2035.04 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00545657 Jy ! Component: 100 - total flux cleaned = 0.00666755 Jy ! Component: 150 - total flux cleaned = 0.00675958 Jy ! Component: 200 - total flux cleaned = 0.00690801 Jy ! Total flux subtracted in 200 components = 0.00690801 Jy ! Clean residual min=-0.008481 max=0.013058 Jy/beam ! Clean residual mean=0.000354 rms=0.003879 Jy/beam ! Combined flux in latest and established models = 1.78477 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 84 components and 1.78477 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170270Jy sigma=0.001314 ! Fit after self-cal, rms=0.170215Jy sigma=0.001313 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 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 = 0.000819471 Jy ! Component: 100 - total flux cleaned = 0.00107969 Jy ! Component: 150 - total flux cleaned = 0.00115414 Jy ! Component: 200 - total flux cleaned = 0.00109679 Jy ! Total flux subtracted in 200 components = 0.00109679 Jy ! Clean residual min=-0.008182 max=0.012407 Jy/beam ! Clean residual mean=0.000275 rms=0.003677 Jy/beam ! Combined flux in latest and established models = 1.78587 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 91 components and 1.78587 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170276Jy sigma=0.001314 ! Fit after self-cal, rms=0.170245Jy sigma=0.001313 ! Inverting map ! Your choice of large map pixels excluded 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 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 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 milli-arcsec ! Estimated beam: bmin=0.7015 mas, bmaj=2.236 mas, bpa=-7.092 degrees ! Estimated noise=1482.6 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7015 x 2.236 at -7.092 degrees (North through East) ! Clean map min=-0.008398 max=1.4352 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=0.170245Jy sigma=0.001313 ! Fit after self-cal, rms=0.150545Jy sigma=0.001112 ! Inverting map and beam ! Your choice of large map pixels excluded 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 milli-arcsec ! Estimated beam: bmin=0.7015 mas, bmaj=2.237 mas, bpa=-7.103 degrees ! Estimated noise=1484.23 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00125174 Jy ! Component: 100 - total flux cleaned = 0.00115259 Jy ! Component: 150 - total flux cleaned = 0.000977313 Jy ! Component: 200 - total flux cleaned = 0.000895789 Jy ! Total flux subtracted in 200 components = 0.000895789 Jy ! Clean residual min=-0.009667 max=0.010398 Jy/beam ! Clean residual mean=0.000280 rms=0.002602 Jy/beam ! Combined flux in latest and established models = 1.78676 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 102 components and 1.78676 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.150378Jy sigma=0.001110 ! Fit after self-cal, rms=0.150371Jy sigma=0.001110 ! Inverting map ! Your choice of large map pixels excluded 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.19785e-05 Jy ! Component: 100 - total flux cleaned = -5.19119e-05 Jy ! Component: 150 - total flux cleaned = 1.81923e-05 Jy ! Component: 200 - total flux cleaned = -4.92708e-05 Jy ! Total flux subtracted in 200 components = -4.92708e-05 Jy ! Clean residual min=-0.009506 max=0.010375 Jy/beam ! Clean residual mean=0.000283 rms=0.002579 Jy/beam ! Combined flux in latest and established models = 1.78672 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 105 components and 1.78672 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.150288Jy sigma=0.001110 ! Fit after self-cal, rms=0.150286Jy sigma=0.001110 ! Inverting map ! Your choice of large map pixels excluded 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.150286Jy sigma=0.001110 ! Fit after self-cal, rms=0.150330Jy sigma=0.001109 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 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 milli-arcsec ! Estimated beam: bmin=0.6637 mas, bmaj=1.873 mas, bpa=-4.98 degrees ! Estimated noise=1862.66 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.11122 Jy ! Component: 100 - total flux cleaned = 1.38497 Jy ! Component: 150 - total flux cleaned = 1.5186 Jy ! Component: 200 - total flux cleaned = 1.59447 Jy ! Total flux subtracted in 200 components = 1.59447 Jy ! Clean residual min=-0.016689 max=0.037824 Jy/beam ! Clean residual mean=0.002676 rms=0.007246 Jy/beam ! Combined flux in latest and established models = 1.59447 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 17 model components to the UV plane model. ! The established model now contains 17 components and 1.59447 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 milli-arcsec ! Estimated beam: bmin=0.7015 mas, bmaj=2.238 mas, bpa=-7.127 degrees ! Estimated noise=1484.65 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 = 0.0590253 Jy ! Component: 100 - total flux cleaned = 0.0928596 Jy ! Component: 150 - total flux cleaned = 0.116796 Jy ! Component: 200 - total flux cleaned = 0.134276 Jy ! Total flux subtracted in 200 components = 0.134276 Jy ! Clean residual min=-0.009413 max=0.017354 Jy/beam ! Clean residual mean=0.002193 rms=0.003967 Jy/beam ! Combined flux in latest and established models = 1.72875 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 55 components and 1.72875 Jy ! Inverting map ! Your choice of large map pixels excluded 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 milli-arcsec ! Added new window around map position (1.2, 4.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0165773 Jy ! Component: 100 - total flux cleaned = 0.0279564 Jy ! Component: 150 - total flux cleaned = 0.0369437 Jy ! Component: 200 - total flux cleaned = 0.044107 Jy ! Total flux subtracted in 200 components = 0.044107 Jy ! Clean residual min=-0.007711 max=0.010721 Jy/beam ! Clean residual mean=0.000704 rms=0.002517 Jy/beam ! Combined flux in latest and established models = 1.77286 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 83 components and 1.77286 Jy ! Inverting map ! Your choice of large map pixels excluded 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 milli-arcsec ! Added new window around map position (3.4, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0107584 Jy ! Component: 100 - total flux cleaned = 0.0165024 Jy ! Component: 150 - total flux cleaned = 0.0190553 Jy ! Component: 200 - total flux cleaned = 0.0199237 Jy ! Total flux subtracted in 200 components = 0.0199237 Jy ! Clean residual min=-0.007290 max=0.006949 Jy/beam ! Clean residual mean=0.000010 rms=0.001915 Jy/beam ! Combined flux in latest and established models = 1.79278 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 109 components and 1.79278 Jy ! Inverting map ! Your choice of large map pixels excluded 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 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 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 milli-arcsec ! Estimated beam: bmin=2.121 mas, bmaj=4.278 mas, bpa=8.552 degrees ! Estimated noise=2037.32 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00296171 Jy ! Component: 100 - total flux cleaned = 0.00309497 Jy ! Component: 150 - total flux cleaned = 0.00297286 Jy ! Component: 200 - total flux cleaned = 0.00286817 Jy ! Total flux subtracted in 200 components = 0.00286817 Jy ! Clean residual min=-0.006047 max=0.006452 Jy/beam ! Clean residual mean=-0.000232 rms=0.001928 Jy/beam ! Combined flux in latest and established models = 1.79565 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 = 2.85967e-06 Jy ! Component: 100 - total flux cleaned = -8.38383e-05 Jy ! Component: 150 - total flux cleaned = -8.23788e-05 Jy ! Component: 200 - total flux cleaned = -8.51479e-05 Jy ! Total flux subtracted in 200 components = -8.51479e-05 Jy ! Clean residual min=-0.005732 max=0.006235 Jy/beam ! Clean residual mean=-0.000265 rms=0.001858 Jy/beam ! Combined flux in latest and established models = 1.79556 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 130 components and 1.79556 Jy ! Inverting map ! Your choice of large map pixels excluded 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 milli-arcsec ! Estimated beam: bmin=0.7015 mas, bmaj=2.238 mas, bpa=-7.127 degrees ! Estimated noise=1484.65 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000274985 Jy ! Component: 100 - total flux cleaned = -0.000392769 Jy ! Component: 150 - total flux cleaned = -0.0003939 Jy ! Component: 200 - total flux cleaned = -0.000297534 Jy ! Total flux subtracted in 200 components = -0.000297534 Jy ! Clean residual min=-0.007160 max=0.006175 Jy/beam ! Clean residual mean=-0.000090 rms=0.001742 Jy/beam ! Combined flux in latest and established models = 1.79527 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 144 components and 1.79527 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.148749Jy sigma=0.001094 ! Fit after self-cal, rms=0.148587Jy sigma=0.001093 wmodel J1911-2006_X_2008_07_09_pus_map.mod ! Writing 144 model components to file: J1911-2006_X_2008_07_09_pus_map.mod wobs J1911-2006_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J1911-2006_X_2008_07_09_pus_uvs.fits wwins J1911-2006_X_2008_07_09_pus_map.win ! wwins: Wrote 4 windows to J1911-2006_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 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00182862 Jy ! Component: 100 - total flux cleaned = -0.00273831 Jy ! Component: 150 - total flux cleaned = -0.00312025 Jy ! Component: 200 - total flux cleaned = -0.00330077 Jy ! Component: 250 - total flux cleaned = -0.00355602 Jy ! Component: 300 - total flux cleaned = -0.00339062 Jy ! Component: 350 - total flux cleaned = -0.00331207 Jy ! Component: 400 - total flux cleaned = -0.00331253 Jy ! Component: 450 - total flux cleaned = -0.00331229 Jy ! Component: 500 - total flux cleaned = -0.0034542 Jy ! Component: 550 - total flux cleaned = -0.00359247 Jy ! Component: 600 - total flux cleaned = -0.00372585 Jy ! Component: 650 - total flux cleaned = -0.00372534 Jy ! Component: 700 - total flux cleaned = -0.00366225 Jy ! Component: 750 - total flux cleaned = -0.00366389 Jy ! Component: 800 - total flux cleaned = -0.0036644 Jy ! Component: 850 - total flux cleaned = -0.00348936 Jy ! Component: 900 - total flux cleaned = -0.00354796 Jy ! Component: 950 - total flux cleaned = -0.00360369 Jy ! Component: 1000 - total flux cleaned = -0.003493 Jy ! Total flux subtracted in 1024 components = -0.00354752 Jy ! Clean residual min=-0.003481 max=0.002697 Jy/beam ! Clean residual mean=0.000017 rms=0.001062 Jy/beam ! Combined flux in latest and established models = 1.79172 Jy keep ! Adding 65 model components to the UV plane model. ! The established model now contains 209 components and 1.79172 Jy wmap "J1911-2006_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7015 x 2.238 at -7.127 degrees (North through East) ! Clean map min=-0.0045539 max=1.4455 Jy/beam ! Writing clean map to FITS file: J1911-2006_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 1.44553 invert ! Inverting map ! Your choice of large map pixels excluded 3.83% of the data. ! The x-axis pixel size should ideally be below 0.1903 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00104803 device "J1911-2006_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J1911-2006_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.217505 0.217505 0.43501 0.870021 1.74004 3.48008 6.96017 13.9203 27.8407 55.6813 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0031 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.445 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7015 x 2.238 at -7.127 degrees (North through East) ! Clean map min=-0.0045539 max=1.4455 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1911-2006_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J1911-2006_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1911-2006_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 22:30:57 2010