! Started logfile: J1147-3812_X_2005_07_08_yyk_uvs.log on Fri Jan 20 11:24:47 2006 obs J1147-3812_X_2005_07_08_yyk_uve.fits ! Reading UV FITS file: J1147-3812_X_2005_07_08_yyk_uve.fits ! AN table 1: 4 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.833333 visibilities/baseline/integration-bin. ! Found source: J1147-3812 ! ! 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 1407 lines of history. ! ! Reading 600 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 J1147-3812_X_2005_07_08_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 = 256x256 pixels with 0.400x0.400 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 1.78627 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 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 milli-arcsec ! Estimated beam: bmin=0.8546 mas, bmaj=1.893 mas, bpa=0.07725 degrees ! Estimated noise=4.25469 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 = 1.54076 Jy ! Component: 100 - total flux cleaned = 1.7536 Jy ! Total flux subtracted in 100 components = 1.7536 Jy ! Clean residual min=-0.080348 max=0.139516 Jy/beam ! Clean residual mean=-0.000597 rms=0.028119 Jy/beam ! Combined flux in latest and established models = 1.7536 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 1.7536 Jy ! ! Correcting IF 1. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.279237Jy sigma=3.302437 ! Fit after self-cal, rms=0.277993Jy sigma=3.293330 ! Inverting map and beam ! Your choice of large map pixels excluded 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 milli-arcsec ! Estimated beam: bmin=0.8546 mas, bmaj=1.893 mas, bpa=0.07725 degrees ! Estimated noise=4.25469 mJy/beam. 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 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 milli-arcsec ! Estimated beam: bmin=1.098 mas, bmaj=2.502 mas, bpa=2.985 degrees ! Estimated noise=2.99511 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 = 0.0862431 Jy ! Component: 100 - total flux cleaned = 0.103139 Jy ! Component: 150 - total flux cleaned = 0.105286 Jy ! Component: 200 - total flux cleaned = 0.107241 Jy ! Total flux subtracted in 200 components = 0.107241 Jy ! Clean residual min=-0.060045 max=0.100298 Jy/beam ! Clean residual mean=-0.000455 rms=0.022498 Jy/beam ! Combined flux in latest and established models = 1.86084 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 9 components and 1.86084 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.277760Jy sigma=3.155887 ! Fit after self-cal, rms=0.277357Jy sigma=3.150323 ! Inverting map ! Your choice of large map pixels excluded 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.098 x 2.502 at 2.985 degrees (North through East) ! Clean map min=-0.052906 max=1.7875 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: 0.98977 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.95 HN 1.00* KP 0.94 ! LA 0.99 MK 1.01 NL 1.28 OV 1.02 ! PT 0.96 SC 0.95 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.0024 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.96 HN 1.00* KP 0.89 ! LA 0.96 MK 0.99 NL 1.25 OV 0.99 ! PT 1.00 SC 0.93 ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 1.0014 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 HN 1.00* KP 0.84 ! LA 0.97 MK 1.04 NL 1.22 OV 1.02 ! PT 1.03 SC 0.89 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.953173 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00 HN 1.00* KP 0.96 ! LA 0.94 MK 1.03 NL 1.28 OV 1.03 ! PT 1.09 SC 1.16 ! ! ! Fit before self-cal, rms=0.277357Jy sigma=3.150323 ! Fit after self-cal, rms=0.166430Jy sigma=1.829055 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=0.166430Jy sigma=1.829055 ! Fit after self-cal, rms=0.166503Jy sigma=1.828936 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 milli-arcsec ! Estimated beam: bmin=1.092 mas, bmaj=2.492 mas, bpa=2.878 degrees ! Estimated noise=2.90786 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 = -0.0377307 Jy ! Component: 100 - total flux cleaned = -0.0421681 Jy ! Component: 150 - total flux cleaned = -0.0423555 Jy ! Component: 200 - total flux cleaned = -0.0425003 Jy ! Total flux subtracted in 200 components = -0.0425003 Jy ! Clean residual min=-0.017006 max=0.025088 Jy/beam ! Clean residual mean=-0.000208 rms=0.005531 Jy/beam ! Combined flux in latest and established models = 1.81834 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 6 model components to the UV plane model. ! The established model now contains 14 components and 1.81834 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.160899Jy sigma=1.743296 ! Fit after self-cal, rms=0.160459Jy sigma=1.738188 ! Inverting map ! Your choice of large map pixels excluded 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 milli-arcsec ! Added new window around map position (-5.2, 24.4). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0238258 Jy ! Component: 100 - total flux cleaned = 0.0242012 Jy ! Component: 150 - total flux cleaned = 0.0235009 Jy ! Component: 200 - total flux cleaned = 0.022923 Jy ! Total flux subtracted in 200 components = 0.022923 Jy ! Clean residual min=-0.013928 max=0.012297 Jy/beam ! Clean residual mean=-0.000199 rms=0.003761 Jy/beam ! Combined flux in latest and established models = 1.84126 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 23 components and 1.84126 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158316Jy sigma=1.692737 ! Fit after self-cal, rms=0.158116Jy sigma=1.688705 ! Inverting map ! Your choice of large map pixels excluded 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 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=0.158116Jy sigma=1.688705 ! Fit after self-cal, rms=0.133704Jy sigma=1.442784 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 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) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000644513 Jy ! Component: 100 - total flux cleaned = 0.00031146 Jy ! Component: 150 - total flux cleaned = -0.000134887 Jy ! Component: 200 - total flux cleaned = -0.000409714 Jy ! Total flux subtracted in 200 components = -0.000409714 Jy ! Clean residual min=-0.013468 max=0.011648 Jy/beam ! Clean residual mean=-0.000144 rms=0.003513 Jy/beam ! Combined flux in latest and established models = 1.84085 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 31 components and 1.84085 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.133480Jy sigma=1.441458 ! Fit after self-cal, rms=0.131035Jy sigma=1.418154 ! Inverting map ! Your choice of large map pixels excluded 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 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: 1.092 x 2.492 at 2.878 degrees (North through East) ! Clean map min=-0.010317 max=1.7473 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=0.131035Jy sigma=1.418154 ! Fit after self-cal, rms=0.109063Jy sigma=1.087825 ! 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=0.109063Jy sigma=1.087825 ! Fit after self-cal, rms=0.108837Jy sigma=1.084749 ! Inverting map and beam ! Your choice of large map pixels excluded 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 milli-arcsec ! Estimated beam: bmin=1.09 mas, bmaj=2.489 mas, bpa=3.048 degrees ! Estimated noise=2.90962 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00633134 Jy ! Component: 100 - total flux cleaned = 0.00637853 Jy ! Component: 150 - total flux cleaned = 0.00622505 Jy ! Component: 200 - total flux cleaned = 0.00595563 Jy ! Total flux subtracted in 200 components = 0.00595563 Jy ! Clean residual min=-0.011033 max=0.010295 Jy/beam ! Clean residual mean=-0.000189 rms=0.002895 Jy/beam ! Combined flux in latest and established models = 1.84681 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 37 components and 1.84681 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.108755Jy sigma=1.084181 ! Fit after self-cal, rms=0.108739Jy sigma=1.082398 ! Inverting map ! Your choice of large map pixels excluded 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 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=0.108739Jy sigma=1.082398 ! Fit after self-cal, rms=0.106355Jy sigma=1.030303 ! 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=0.106355Jy sigma=1.030303 ! Fit after self-cal, rms=0.106376Jy sigma=1.030234 ! Inverting map and beam ! Your choice of large map pixels excluded 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 milli-arcsec ! Estimated beam: bmin=1.088 mas, bmaj=2.487 mas, bpa=3.293 degrees ! Estimated noise=2.91456 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00660685 Jy ! Component: 100 - total flux cleaned = 0.00600252 Jy ! Component: 150 - total flux cleaned = 0.00574697 Jy ! Component: 200 - total flux cleaned = 0.00531537 Jy ! Total flux subtracted in 200 components = 0.00531537 Jy ! Clean residual min=-0.011445 max=0.010694 Jy/beam ! Clean residual mean=-0.000171 rms=0.002835 Jy/beam ! Combined flux in latest and established models = 1.85212 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 37 components and 1.85212 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.106383Jy sigma=1.031631 ! Fit after self-cal, rms=0.106398Jy sigma=1.031029 ! Inverting map ! Your choice of large map pixels excluded 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 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 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 milli-arcsec ! Estimated beam: bmin=2.817 mas, bmaj=10.26 mas, bpa=2.343 degrees ! Estimated noise=3.50879 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 = 3.08327e-05 Jy ! Component: 100 - total flux cleaned = -0.000228925 Jy ! Component: 150 - total flux cleaned = -0.000568761 Jy ! Component: 200 - total flux cleaned = -0.000762112 Jy ! Total flux subtracted in 200 components = -0.000762112 Jy ! Clean residual min=-0.010786 max=0.010657 Jy/beam ! Clean residual mean=-0.000272 rms=0.003437 Jy/beam ! Combined flux in latest and established models = 1.85136 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 6 model components to the UV plane model. ! The established model now contains 40 components and 1.85136 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.106589Jy sigma=1.033327 ! Fit after self-cal, rms=0.106620Jy sigma=1.033205 ! Inverting map ! Your choice of large map pixels excluded 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 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 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 milli-arcsec ! Estimated beam: bmin=0.8431 mas, bmaj=1.868 mas, bpa=-0.05588 degrees ! Estimated noise=4.21917 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 1.52877 Jy ! Component: 100 - total flux cleaned = 1.75311 Jy ! Component: 150 - total flux cleaned = 1.80957 Jy ! Component: 200 - total flux cleaned = 1.83092 Jy ! Total flux subtracted in 200 components = 1.83092 Jy ! Clean residual min=-0.017973 max=0.014710 Jy/beam ! Clean residual mean=-0.000113 rms=0.004520 Jy/beam ! Combined flux in latest and established models = 1.83092 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 11 model components to the UV plane model. ! The established model now contains 11 components and 1.83092 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 milli-arcsec ! Estimated beam: bmin=1.088 mas, bmaj=2.487 mas, bpa=3.293 degrees ! Estimated noise=2.91456 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 = 0.0144597 Jy ! Component: 100 - total flux cleaned = 0.0164997 Jy ! Component: 150 - total flux cleaned = 0.0177374 Jy ! Component: 200 - total flux cleaned = 0.0186967 Jy ! Total flux subtracted in 200 components = 0.0186967 Jy ! Clean residual min=-0.011345 max=0.009381 Jy/beam ! Clean residual mean=-0.000196 rms=0.002913 Jy/beam ! Combined flux in latest and established models = 1.84962 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 19 components and 1.84962 Jy ! Inverting map ! Your choice of large map pixels excluded 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 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 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 milli-arcsec ! Estimated beam: bmin=2.817 mas, bmaj=10.26 mas, bpa=2.343 degrees ! Estimated noise=3.50879 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 = 0.00043841 Jy ! Component: 100 - total flux cleaned = 0.000331949 Jy ! Component: 150 - total flux cleaned = 0.00033386 Jy ! Component: 200 - total flux cleaned = 0.000326628 Jy ! Total flux subtracted in 200 components = 0.000326628 Jy ! Clean residual min=-0.011071 max=0.010960 Jy/beam ! Clean residual mean=-0.000276 rms=0.003589 Jy/beam ! Combined flux in latest and established models = 1.84995 Jy ! Adding 6 model components to the UV plane model. ! The established model now contains 23 components and 1.84995 Jy ! Inverting map ! Your choice of large map pixels excluded 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 milli-arcsec uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 milli-arcsec ! Estimated beam: bmin=1.088 mas, bmaj=2.487 mas, bpa=3.293 degrees ! Estimated noise=2.91456 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 9.56731e-05 Jy ! Component: 100 - total flux cleaned = -2.37133e-05 Jy ! Component: 150 - total flux cleaned = -0.000134907 Jy ! Component: 200 - total flux cleaned = -0.000233403 Jy ! Total flux subtracted in 200 components = -0.000233403 Jy ! Clean residual min=-0.011403 max=0.008929 Jy/beam ! Clean residual mean=-0.000174 rms=0.002896 Jy/beam ! Combined flux in latest and established models = 1.84971 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 28 components and 1.84971 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.104226Jy sigma=1.013734 ! Fit after self-cal, rms=0.104047Jy sigma=1.006760 wmodel J1147-3812_X_2005_07_08_yyk\_map.mod ! Writing 28 model components to file: J1147-3812_X_2005_07_08_yyk_map.mod wobs J1147-3812_X_2005_07_08_yyk\_uvs.fits ! Writing UV FITS file: J1147-3812_X_2005_07_08_yyk_uvs.fits wwins J1147-3812_X_2005_07_08_yyk\_map.win ! wwins: Wrote 2 windows to J1147-3812_X_2005_07_08_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 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00380006 Jy ! Component: 100 - total flux cleaned = -0.00496473 Jy ! Component: 150 - total flux cleaned = -0.00420857 Jy ! Component: 200 - total flux cleaned = -0.00363675 Jy ! Component: 250 - total flux cleaned = -0.00373178 Jy ! Component: 300 - total flux cleaned = -0.00411179 Jy ! Component: 350 - total flux cleaned = -0.00474665 Jy ! Component: 400 - total flux cleaned = -0.00517903 Jy ! Component: 450 - total flux cleaned = -0.00534156 Jy ! Component: 500 - total flux cleaned = -0.00549537 Jy ! Component: 550 - total flux cleaned = -0.00541627 Jy ! Component: 600 - total flux cleaned = -0.00578471 Jy ! Component: 650 - total flux cleaned = -0.00600017 Jy ! Component: 700 - total flux cleaned = -0.00620766 Jy ! Component: 750 - total flux cleaned = -0.00627526 Jy ! Component: 800 - total flux cleaned = -0.00640528 Jy ! Component: 850 - total flux cleaned = -0.00621212 Jy ! Component: 900 - total flux cleaned = -0.00614994 Jy ! Component: 950 - total flux cleaned = -0.00615033 Jy ! Component: 1000 - total flux cleaned = -0.00627111 Jy ! Total flux subtracted in 1024 components = -0.00627157 Jy ! Clean residual min=-0.003242 max=0.003048 Jy/beam ! Clean residual mean=-0.000044 rms=0.001166 Jy/beam ! Combined flux in latest and established models = 1.84344 Jy keep ! Adding 59 model components to the UV plane model. ! The established model now contains 87 components and 1.84344 Jy ![Exited script file: muppet] wmap "J1147-3812_X_2005_07_08_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.088 x 2.487 at 3.293 degrees (North through East) ! Clean map min=-0.0093641 max=1.7593 Jy/beam ! Writing clean map to FITS file: J1147-3812_X_2005_07_08_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.75927 invert ! Inverting map ! Your choice of large map pixels excluded 24.2% of the data. ! The x-axis pixel size should ideally be below 0.1958 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00113577 device "J1147-3812_X_2005_07_08_yyk\_map.eps/VPS" ! Attempting to open device: 'J1147-3812_X_2005_07_08_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -0.193677 0.193677 0.387354 0.774709 1.54942 3.09883 6.19767 12.3953 24.7907 49.5814 99.1627 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0034 print "peak=",int(peak_flux*1000)/1000 ! peak= 1.759 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.088 x 2.487 at 3.293 degrees (North through East) ! Clean map min=-0.0093641 max=1.7593 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1147-3812_X_2005_07_08_yyk\_map.gif/gif" ! Attempting to open device: 'J1147-3812_X_2005_07_08_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1147-3812_X_2005_07_08_yyk_uvs.log closed on Fri Jan 20 11:24:48 2006