! Started logfile: J0921-2618_X_2005_07_09_yyk_uvs.log on Fri Jan 20 11:23:54 2006 obs J0921-2618_X_2005_07_09_yyk_uve.fits ! Reading UV FITS file: J0921-2618_X_2005_07_09_yyk_uve.fits ! AN table 1: 5 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.768889 visibilities/baseline/integration-bin. ! Found source: J0921-2618 ! ! 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 1480 lines of history. ! ! Reading 692 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 ![@muppet J0921-2618_X_2005_07_09_yyk] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.04 float dynam dynam = 6.0 float amp_soltime1 amp_soltime1 = 10 float amp_soltime2 amp_soltime2 = 1 float phase_soltime1 phase_soltime1=10 float phase_soltime2 phase_soltime2=0.5 float phase_soltime phase_soltime=phase_soltime1 float ampcor_selflim ampcor_selflim=1.20 float thresh thresh = 0.10 float win_mult win_mult = 1.8 float time_av time_av = 30 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.200x0.200 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 1.84599 Jy uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.6948 mas, bmaj=1.751 mas, bpa=0.8932 degrees ! Estimated noise=2.44659 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 1.43115 Jy ! Component: 100 - total flux cleaned = 1.90317 Jy ! Total flux subtracted in 100 components = 1.90317 Jy ! Clean residual min=-0.061648 max=0.154034 Jy/beam ! Clean residual mean=-0.001406 rms=0.026968 Jy/beam ! Combined flux in latest and established models = 1.90316 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 1.90316 Jy ! ! Correcting IF 1. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.377304Jy sigma=5.698798 ! Fit after self-cal, rms=0.375807Jy sigma=5.644929 ! Inverting map and beam ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.6948 mas, bmaj=1.751 mas, bpa=0.8932 degrees ! Estimated noise=2.44659 mJy/beam. ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.218318 Jy ! Component: 100 - total flux cleaned = 0.322436 Jy ! Total flux subtracted in 100 components = 0.322436 Jy ! Clean residual min=-0.047162 max=0.071572 Jy/beam ! Clean residual mean=-0.000444 rms=0.013570 Jy/beam ! Combined flux in latest and established models = 2.2256 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 27 components and 2.2256 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225602Jy sigma=3.250570 ! Fit after self-cal, rms=0.226313Jy sigma=3.247032 ! Inverting map ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-2 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -2. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.7775 mas, bmaj=2.001 mas, bpa=-1.001 degrees ! Estimated noise=1.9647 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0750835 Jy ! Component: 100 - total flux cleaned = 0.107446 Jy ! Component: 150 - total flux cleaned = 0.119578 Jy ! Component: 200 - total flux cleaned = 0.121781 Jy ! Total flux subtracted in 200 components = 0.121781 Jy ! Clean residual min=-0.050811 max=0.053398 Jy/beam ! Clean residual mean=-0.000069 rms=0.012294 Jy/beam ! Combined flux in latest and established models = 2.34738 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 41 components and 2.34738 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.205761Jy sigma=2.951780 ! Fit after self-cal, rms=0.204797Jy sigma=2.949855 ! Inverting map ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7775 x 2.001 at -1.001 degrees (North through East) ! Clean map min=-0.048459 max=1.6445 Jy/beam if(peak(flux) < thresh*2) selflims ampcor_selflim end if gscale ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Amplitude normalization factor in sub-array 1: 1.01642 ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.97 HN 1.00* KP 0.94 ! LA 1.00 MK 1.00 NL 1.04 OV 1.03 ! PT 0.94 SC 0.97 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.02147 ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.98 HN 1.00* KP 0.89 ! LA 0.97 MK 0.99 NL 1.02 OV 1.02 ! PT 1.00 SC 0.95 ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 1.0048 ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.02 HN 1.00* KP 0.84 ! LA 1.00 MK 1.03 NL 1.02 OV 1.05 ! PT 1.03 SC 0.93 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.951907 ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.03 HN 1.00* KP 0.97 ! LA 0.98 MK 1.03 NL 1.05 OV 1.09 ! PT 1.09 SC 1.22 ! ! ! Fit before self-cal, rms=0.204797Jy sigma=2.949855 ! Fit after self-cal, rms=0.173382Jy sigma=2.349764 selfcal false, false, phase_soltime ! Performing phase self-cal over 10 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173382Jy sigma=2.349764 ! Fit after self-cal, rms=0.173501Jy sigma=2.349730 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.7805 mas, bmaj=2.021 mas, bpa=-0.9113 degrees ! Estimated noise=1.967 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-9.8, 18). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0187274 Jy ! Component: 100 - total flux cleaned = 0.0160334 Jy ! Component: 150 - total flux cleaned = 0.0140179 Jy ! Component: 200 - total flux cleaned = 0.0131958 Jy ! Total flux subtracted in 200 components = 0.0131958 Jy ! Clean residual min=-0.019445 max=0.025315 Jy/beam ! Clean residual mean=0.000071 rms=0.005099 Jy/beam ! Combined flux in latest and established models = 2.36058 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 58 components and 2.36058 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168880Jy sigma=2.258168 ! Fit after self-cal, rms=0.166486Jy sigma=2.247862 ! Inverting map ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec print "************** FINISHED AMPLITUDE GSCALE SELF-CAL **************" ! ************** FINISHED AMPLITUDE GSCALE SELF-CAL ************** ! phase_soltime=phase_soltime2 selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166486Jy sigma=2.247862 ! Fit after self-cal, rms=0.128797Jy sigma=1.895149 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (23, -3.4). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.02205 Jy ! Component: 100 - total flux cleaned = 0.0229931 Jy ! Component: 150 - total flux cleaned = 0.0226348 Jy ! Component: 200 - total flux cleaned = 0.0215685 Jy ! Total flux subtracted in 200 components = 0.0215685 Jy ! Clean residual min=-0.017679 max=0.016926 Jy/beam ! Clean residual mean=0.000036 rms=0.004062 Jy/beam ! Combined flux in latest and established models = 2.38215 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 81 components and 2.38215 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.124383Jy sigma=1.832889 ! Fit after self-cal, rms=0.121850Jy sigma=1.807599 ! Inverting map ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec print "*** FINISHED NATURAL WEIGHTING CLEAN with shorter phase_soltime ***" ! *** FINISHED NATURAL WEIGHTING CLEAN with shorter phase_soltime *** ! dynam = dynam - 0.25 restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7805 x 2.021 at -0.9113 degrees (North through East) ! Clean map min=-0.016019 max=1.6431 Jy/beam if(peak(flux) > thresh) selfcal true, true, amp_soltime1 selfcal false, false, phase_soltime 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 false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true, amp_soltime2 selfcal false, false, phase_soltime 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 false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) print "************** FINISHED AMPLITUDE SELF-CAL **************" end if ! Performing amp+phase self-cal over 10 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.121850Jy sigma=1.807599 ! Fit after self-cal, rms=0.080073Jy sigma=1.050479 ! Performing phase self-cal over 0.5 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.080073Jy sigma=1.050479 ! Fit after self-cal, rms=0.079750Jy sigma=1.046780 ! Inverting map and beam ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.7815 mas, bmaj=2.026 mas, bpa=-0.6997 degrees ! Estimated noise=1.96818 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000640428 Jy ! Component: 100 - total flux cleaned = 0.000337068 Jy ! Component: 150 - total flux cleaned = 6.51777e-05 Jy ! Component: 200 - total flux cleaned = -0.000612133 Jy ! Total flux subtracted in 200 components = -0.000612133 Jy ! Clean residual min=-0.011272 max=0.012316 Jy/beam ! Clean residual mean=-0.000049 rms=0.002871 Jy/beam ! Combined flux in latest and established models = 2.38153 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 90 components and 2.38153 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.078500Jy sigma=1.018824 ! Fit after self-cal, rms=0.078187Jy sigma=1.015561 ! Inverting map ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Added new window around map position (-13.2, 24). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0108192 Jy ! Component: 100 - total flux cleaned = 0.0113138 Jy ! Component: 150 - total flux cleaned = 0.0119401 Jy ! Component: 200 - total flux cleaned = 0.0121125 Jy ! Total flux subtracted in 200 components = 0.0121125 Jy ! Clean residual min=-0.009624 max=0.009110 Jy/beam ! Clean residual mean=-0.000003 rms=0.002465 Jy/beam ! Combined flux in latest and established models = 2.39365 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 28 model components to the UV plane model. ! The established model now contains 110 components and 2.39365 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076749Jy sigma=0.983488 ! Fit after self-cal, rms=0.076645Jy sigma=0.981242 ! Inverting map ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Performing amp+phase self-cal over 1 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076645Jy sigma=0.981242 ! Fit after self-cal, rms=0.074806Jy sigma=0.959488 ! Performing phase self-cal over 0.5 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074806Jy sigma=0.959488 ! Fit after self-cal, rms=0.074832Jy sigma=0.959411 ! Inverting map and beam ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.7817 mas, bmaj=2.026 mas, bpa=-0.6808 degrees ! Estimated noise=1.96796 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000117402 Jy ! Component: 100 - total flux cleaned = 0.000641624 Jy ! Component: 150 - total flux cleaned = 0.000977242 Jy ! Component: 200 - total flux cleaned = 0.00142479 Jy ! Total flux subtracted in 200 components = 0.00142479 Jy ! Clean residual min=-0.008938 max=0.008771 Jy/beam ! Clean residual mean=-0.000013 rms=0.002294 Jy/beam ! Combined flux in latest and established models = 2.39507 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 30 model components to the UV plane model. ! The established model now contains 120 components and 2.39507 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074244Jy sigma=0.947681 ! Fit after self-cal, rms=0.074097Jy sigma=0.946381 ! Inverting map ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! ************** FINISHED AMPLITUDE SELF-CAL ************** uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.4 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=2.405 mas, bmaj=6.224 mas, bpa=2.318 degrees ! Estimated noise=2.63034 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0024525 Jy ! Component: 100 - total flux cleaned = 0.00244987 Jy ! Component: 150 - total flux cleaned = 0.00256088 Jy ! Component: 200 - total flux cleaned = 0.00256118 Jy ! Total flux subtracted in 200 components = 0.00256118 Jy ! Clean residual min=-0.006815 max=0.008315 Jy/beam ! Clean residual mean=0.000018 rms=0.002279 Jy/beam ! Combined flux in latest and established models = 2.39763 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 136 components and 2.39763 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074033Jy sigma=0.944070 ! Fit after self-cal, rms=0.073945Jy sigma=0.943512 ! Inverting map ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec uvtaper 0 ! No UV-taper is currently set. win_mult = win_mult / 1.4 print "************** FINISHED TAPERING SELF-CAL CLEAN **************" ! ************** FINISHED TAPERING SELF-CAL CLEAN ************** ! print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true,true,true ! clrmod: Cleared the established, tentative and continuum models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter, clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.6949 mas, bmaj=1.758 mas, bpa=0.9872 degrees ! Estimated noise=2.46386 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 1.44543 Jy ! Component: 100 - total flux cleaned = 1.92126 Jy ! Component: 150 - total flux cleaned = 2.13501 Jy ! Component: 200 - total flux cleaned = 2.23798 Jy ! Total flux subtracted in 200 components = 2.23798 Jy ! Clean residual min=-0.024900 max=0.040818 Jy/beam ! Clean residual mean=-0.000345 rms=0.007796 Jy/beam ! Combined flux in latest and established models = 2.23798 Jy uvw 0,-2 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -2. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 24 model components to the UV plane model. ! The established model now contains 24 components and 2.23798 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.7817 mas, bmaj=2.026 mas, bpa=-0.6808 degrees ! Estimated noise=1.96796 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=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0661569 Jy ! Component: 100 - total flux cleaned = 0.0989433 Jy ! Component: 150 - total flux cleaned = 0.120303 Jy ! Component: 200 - total flux cleaned = 0.135264 Jy ! Total flux subtracted in 200 components = 0.135264 Jy ! Clean residual min=-0.010308 max=0.014054 Jy/beam ! Clean residual mean=-0.000058 rms=0.002982 Jy/beam ! Combined flux in latest and established models = 2.37325 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 47 components and 2.37325 Jy ! Inverting map ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Added new window around map position (1, 0.2). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0156356 Jy ! Component: 100 - total flux cleaned = 0.0249331 Jy ! Component: 150 - total flux cleaned = 0.0288226 Jy ! Component: 200 - total flux cleaned = 0.0316387 Jy ! Total flux subtracted in 200 components = 0.0316387 Jy ! Clean residual min=-0.008102 max=0.008907 Jy/beam ! Clean residual mean=0.000008 rms=0.002249 Jy/beam ! Combined flux in latest and established models = 2.40489 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 72 components and 2.40489 Jy ! Inverting map ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=2.405 mas, bmaj=6.224 mas, bpa=2.318 degrees ! Estimated noise=2.63034 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=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00225169 Jy ! Component: 100 - total flux cleaned = 0.0027315 Jy ! Component: 150 - total flux cleaned = 0.00327067 Jy ! Component: 200 - total flux cleaned = 0.00327163 Jy ! Total flux subtracted in 200 components = 0.00327163 Jy ! Clean residual min=-0.007227 max=0.007559 Jy/beam ! Clean residual mean=0.000025 rms=0.002491 Jy/beam ! Combined flux in latest and established models = 2.40816 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 88 components and 2.40816 Jy ! Inverting map ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.7817 mas, bmaj=2.026 mas, bpa=-0.6808 degrees ! Estimated noise=1.96796 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00105773 Jy ! Component: 100 - total flux cleaned = 0.00164263 Jy ! Component: 150 - total flux cleaned = 0.00198897 Jy ! Component: 200 - total flux cleaned = 0.00229464 Jy ! Total flux subtracted in 200 components = 0.00229464 Jy ! Clean residual min=-0.007874 max=0.008068 Jy/beam ! Clean residual mean=0.000015 rms=0.001996 Jy/beam ! Combined flux in latest and established models = 2.41045 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 105 components and 2.41045 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.072304Jy sigma=0.916816 ! Fit after self-cal, rms=0.072102Jy sigma=0.912836 wmodel J0921-2618_X_2005_07_09_yyk\_map.mod ! Writing 105 model components to file: J0921-2618_X_2005_07_09_yyk_map.mod wobs J0921-2618_X_2005_07_09_yyk\_uvs.fits ! Writing UV FITS file: J0921-2618_X_2005_07_09_yyk_uvs.fits wwins J0921-2618_X_2005_07_09_yyk\_map.win ! wwins: Wrote 5 windows to J0921-2618_X_2005_07_09_yyk_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000430799 Jy ! Component: 100 - total flux cleaned = -0.000168835 Jy ! Component: 150 - total flux cleaned = -0.000941606 Jy ! Component: 200 - total flux cleaned = -0.00186184 Jy ! Component: 250 - total flux cleaned = -0.00253598 Jy ! Component: 300 - total flux cleaned = -0.00317354 Jy ! Component: 350 - total flux cleaned = -0.0034319 Jy ! Component: 400 - total flux cleaned = -0.00384497 Jy ! Component: 450 - total flux cleaned = -0.00376675 Jy ! Component: 500 - total flux cleaned = -0.00369355 Jy ! Component: 550 - total flux cleaned = -0.00376906 Jy ! Component: 600 - total flux cleaned = -0.00369813 Jy ! Component: 650 - total flux cleaned = -0.00362941 Jy ! Component: 700 - total flux cleaned = -0.00343005 Jy ! Component: 750 - total flux cleaned = -0.00330054 Jy ! Component: 800 - total flux cleaned = -0.00311138 Jy ! Component: 850 - total flux cleaned = -0.00286888 Jy ! Component: 900 - total flux cleaned = -0.00269179 Jy ! Component: 950 - total flux cleaned = -0.00263428 Jy ! Component: 1000 - total flux cleaned = -0.00246557 Jy ! Component: 1050 - total flux cleaned = -0.00230129 Jy ! Component: 1100 - total flux cleaned = -0.0022475 Jy ! Component: 1150 - total flux cleaned = -0.00214156 Jy ! Component: 1200 - total flux cleaned = -0.00198624 Jy ! Component: 1250 - total flux cleaned = -0.00188531 Jy ! Component: 1300 - total flux cleaned = -0.00163836 Jy ! Component: 1350 - total flux cleaned = -0.00129692 Jy ! Component: 1400 - total flux cleaned = -0.0010575 Jy ! Component: 1450 - total flux cleaned = -0.000820418 Jy ! Component: 1500 - total flux cleaned = -0.000493187 Jy ! Component: 1550 - total flux cleaned = -3.41314e-05 Jy ! Component: 1600 - total flux cleaned = 0.000236485 Jy ! Component: 1650 - total flux cleaned = 0.000503117 Jy ! Component: 1700 - total flux cleaned = 0.00081087 Jy ! Component: 1750 - total flux cleaned = 0.00115745 Jy ! Component: 1800 - total flux cleaned = 0.00154128 Jy ! Component: 1850 - total flux cleaned = 0.00187757 Jy ! Component: 1900 - total flux cleaned = 0.00225102 Jy ! Component: 1950 - total flux cleaned = 0.00253783 Jy ! Component: 2000 - total flux cleaned = 0.00286186 Jy ! Total flux subtracted in 2048 components = 0.00314244 Jy ! Clean residual min=-0.002443 max=0.002290 Jy/beam ! Clean residual mean=0.000012 rms=0.000721 Jy/beam ! Combined flux in latest and established models = 2.41359 Jy keep ! Adding 118 model components to the UV plane model. ! The established model now contains 223 components and 2.41359 Jy ![Exited script file: muppet] wmap "J0921-2618_X_2005_07_09_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7817 x 2.026 at -0.6808 degrees (North through East) ! Clean map min=-0.0053973 max=1.6502 Jy/beam ! Writing clean map to FITS file: J0921-2618_X_2005_07_09_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.65017 invert ! Inverting map ! Your choice of large map pixels excluded 0.952% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000700148 device "J0921-2618_X_2005_07_09_yyk\_map.eps/VPS" ! Attempting to open device: 'J0921-2618_X_2005_07_09_yyk_map.eps/VPS' loglevs 4*100*3*image_rms/peak_flux ! The new contour levels are: ! -0.509148 0.509148 1.0183 2.03659 4.07318 8.14636 16.2927 32.5855 65.1709 print "clev=",int(4*3*image_rms*10000)/10000 ! clev= 0.0084 print "peak=",int(peak_flux*1000)/1000 ! peak= 1.65 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7817 x 2.026 at -0.6808 degrees (North through East) ! Clean map min=-0.0053973 max=1.6502 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0921-2618_X_2005_07_09_yyk\_map.gif/gif" ! Attempting to open device: 'J0921-2618_X_2005_07_09_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0921-2618_X_2005_07_09_yyk_uvs.log closed on Fri Jan 20 11:23:59 2006