! Started logfile: J1357-1527_X_2004_05_27_yyk_uvs.log on Wed Dec 7 00:29:21 2005 obs J1357-1527_X_2004_05_27_yyk_uve.fits ! Reading UV FITS file: J1357-1527_X_2004_05_27_yyk_uve.fits ! AN table 1: 9 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.728395 visibilities/baseline/integration-bin. ! Found source: J1357-1527 ! ! 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 1380 lines of history. ! ! Reading 1180 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 J1357-1527_X_2004_05_27_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)= 1.28832 Jy startmod ,phase_soltime ! Applying default point source starting model. ! Performing phase self-cal over 10 minute time intervals ! 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 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.306782Jy sigma=6.233214 ! Fit after self-cal, rms=0.306755Jy sigma=6.232267 ! 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 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.6512 mas, bmaj=1.74 mas, bpa=0.0295 degrees ! Estimated noise=1.48011 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 = 1.09276 Jy ! Component: 100 - total flux cleaned = 1.24467 Jy ! Total flux subtracted in 100 components = 1.24467 Jy ! Clean residual min=-0.021070 max=0.037120 Jy/beam ! Clean residual mean=-0.000041 rms=0.005872 Jy/beam ! Combined flux in latest and established models = 1.24467 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 1.24467 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.121805Jy sigma=2.357561 ! Fit after self-cal, rms=0.121796Jy sigma=2.357513 ! Inverting map ! Your choice of large map pixels excluded 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0527401 Jy ! Component: 100 - total flux cleaned = 0.0790503 Jy ! Total flux subtracted in 100 components = 0.0790503 Jy ! Clean residual min=-0.018669 max=0.018365 Jy/beam ! Clean residual mean=0.000003 rms=0.004120 Jy/beam ! Combined flux in latest and established models = 1.32372 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 22 components and 1.32372 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.096548Jy sigma=1.808234 ! Fit after self-cal, rms=0.096524Jy sigma=1.807973 ! Inverting map ! Your choice of large map pixels excluded 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 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 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8231 mas, bmaj=2.155 mas, bpa=1.907 degrees ! Estimated noise=1.12635 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 = 0.0192957 Jy ! Component: 100 - total flux cleaned = 0.0264429 Jy ! Component: 150 - total flux cleaned = 0.0285028 Jy ! Component: 200 - total flux cleaned = 0.0289488 Jy ! Total flux subtracted in 200 components = 0.0289488 Jy ! Clean residual min=-0.019004 max=0.012824 Jy/beam ! Clean residual mean=0.000027 rms=0.004250 Jy/beam ! Combined flux in latest and established models = 1.35267 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 33 components and 1.35267 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.093585Jy sigma=1.753329 ! Fit after self-cal, rms=0.093557Jy sigma=1.753015 ! Inverting map ! Your choice of large map pixels excluded 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! selflims ampcor_selflim ! Selfcal amplitude corrections will be limited to 0.833333 -> 1.2. ! Selfcal phase corrections will not be limited. gscale ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Amplitude normalization factor in sub-array 1: 1.00076 ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 HN 1.02 KP 1.00 ! LA 0.99 MK 1.00 NL 1.01 OV 1.01 ! PT 0.98 SC 0.99 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.00578 ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.99 HN 1.02 KP 0.94 ! LA 0.98 MK 1.00 NL 0.99 OV 0.99 ! PT 1.01 SC 0.97 ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 0.997038 ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.05 HN 0.92 KP 0.89 ! LA 0.98 MK 1.02 NL 0.98 OV 1.03 ! PT 1.04 SC 1.02 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.97617 ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.04 HN 0.98 KP 0.93 ! LA 0.98 MK 1.04 NL 1.00 OV 1.04 ! PT 1.10 SC 1.03 ! ! ! Fit before self-cal, rms=0.093557Jy sigma=1.753015 ! Fit after self-cal, rms=0.063641Jy sigma=1.201631 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=0.063641Jy sigma=1.201631 ! Fit after self-cal, rms=0.063647Jy sigma=1.201602 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8258 mas, bmaj=2.167 mas, bpa=1.978 degrees ! Estimated noise=1.11754 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 (-2.4, 16). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00222849 Jy ! Component: 100 - total flux cleaned = 0.00251028 Jy ! Component: 150 - total flux cleaned = 0.00283279 Jy ! Component: 200 - total flux cleaned = 0.00294627 Jy ! Total flux subtracted in 200 components = 0.00294627 Jy ! Clean residual min=-0.005371 max=0.005551 Jy/beam ! Clean residual mean=0.000014 rms=0.001483 Jy/beam ! Combined flux in latest and established models = 1.35562 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 24 model components to the UV plane model. ! The established model now contains 55 components and 1.35562 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.061412Jy sigma=1.159255 ! Fit after self-cal, rms=0.061383Jy sigma=1.158565 ! Inverting map ! Your choice of large map pixels excluded 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 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=0.061383Jy sigma=1.158565 ! Fit after self-cal, rms=0.059199Jy sigma=1.117783 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 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 = 0.00057625 Jy ! Component: 100 - total flux cleaned = 0.000565198 Jy ! Component: 150 - total flux cleaned = 0.000487375 Jy ! Component: 200 - total flux cleaned = 0.00041781 Jy ! Total flux subtracted in 200 components = 0.00041781 Jy ! Clean residual min=-0.005193 max=0.005496 Jy/beam ! Clean residual mean=0.000012 rms=0.001455 Jy/beam ! Combined flux in latest and established models = 1.35603 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 65 components and 1.35603 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059019Jy sigma=1.114646 ! Fit after self-cal, rms=0.058898Jy sigma=1.112373 ! Inverting map ! Your choice of large map pixels excluded 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 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: 0.8258 x 2.167 at 1.978 degrees (North through East) ! Clean map min=-0.0047796 max=1.2709 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=0.058898Jy sigma=1.112373 ! Fit after self-cal, rms=0.051022Jy sigma=0.945563 ! 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=0.051022Jy sigma=0.945563 ! Fit after self-cal, rms=0.051016Jy sigma=0.945407 ! Inverting map and beam ! Your choice of large map pixels excluded 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8266 mas, bmaj=2.171 mas, bpa=1.915 degrees ! Estimated noise=1.11797 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000641214 Jy ! Component: 100 - total flux cleaned = -0.000572409 Jy ! Component: 150 - total flux cleaned = -0.0005128 Jy ! Component: 200 - total flux cleaned = -0.000456471 Jy ! Total flux subtracted in 200 components = -0.000456471 Jy ! Clean residual min=-0.004093 max=0.004006 Jy/beam ! Clean residual mean=-0.000001 rms=0.001087 Jy/beam ! Combined flux in latest and established models = 1.35558 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 81 components and 1.35558 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.050880Jy sigma=0.942574 ! Fit after self-cal, rms=0.050876Jy sigma=0.942471 ! Inverting map ! Your choice of large map pixels excluded 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 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=0.050876Jy sigma=0.942471 ! Fit after self-cal, rms=0.049819Jy sigma=0.923266 ! 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=0.049819Jy sigma=0.923266 ! Fit after self-cal, rms=0.049819Jy sigma=0.923265 ! Inverting map and beam ! Your choice of large map pixels excluded 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8269 mas, bmaj=2.171 mas, bpa=1.908 degrees ! Estimated noise=1.11785 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 8.55558e-05 Jy ! Component: 100 - total flux cleaned = 0.000193702 Jy ! Component: 150 - total flux cleaned = 0.000291898 Jy ! Component: 200 - total flux cleaned = 0.000383604 Jy ! Total flux subtracted in 200 components = 0.000383604 Jy ! Clean residual min=-0.003995 max=0.003756 Jy/beam ! Clean residual mean=-0.000002 rms=0.001078 Jy/beam ! Combined flux in latest and established models = 1.35596 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 89 components and 1.35596 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.049737Jy sigma=0.921580 ! Fit after self-cal, rms=0.049734Jy sigma=0.921515 ! Inverting map ! Your choice of large map pixels excluded 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 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 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=2.181 mas, bmaj=5.029 mas, bpa=2.577 degrees ! Estimated noise=1.46064 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 = 0.000174559 Jy ! Component: 100 - total flux cleaned = 0.000396049 Jy ! Component: 150 - total flux cleaned = 0.00050535 Jy ! Component: 200 - total flux cleaned = 0.000504733 Jy ! Total flux subtracted in 200 components = 0.000504733 Jy ! Clean residual min=-0.005249 max=0.003455 Jy/beam ! Clean residual mean=-0.000007 rms=0.001455 Jy/beam ! Combined flux in latest and established models = 1.35647 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 95 components and 1.35647 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.049728Jy sigma=0.921353 ! Fit after self-cal, rms=0.049718Jy sigma=0.921129 ! Inverting map ! Your choice of large map pixels excluded 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec uvtaper 0,0 ! 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 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.6517 mas, bmaj=1.748 mas, bpa=-0.01992 degrees ! Estimated noise=1.47587 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 1.08972 Jy ! Component: 100 - total flux cleaned = 1.23992 Jy ! Component: 150 - total flux cleaned = 1.28976 Jy ! Component: 200 - total flux cleaned = 1.31373 Jy ! Total flux subtracted in 200 components = 1.31373 Jy ! Clean residual min=-0.007481 max=0.008493 Jy/beam ! Clean residual mean=-0.000014 rms=0.001799 Jy/beam ! Combined flux in latest and established models = 1.31373 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 18 model components to the UV plane model. ! The established model now contains 18 components and 1.31373 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8269 mas, bmaj=2.171 mas, bpa=1.908 degrees ! Estimated noise=1.11785 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 = 0.0176783 Jy ! Component: 100 - total flux cleaned = 0.0269924 Jy ! Component: 150 - total flux cleaned = 0.0327565 Jy ! Component: 200 - total flux cleaned = 0.0364918 Jy ! Total flux subtracted in 200 components = 0.0364918 Jy ! Clean residual min=-0.004027 max=0.003728 Jy/beam ! Clean residual mean=-0.000007 rms=0.001111 Jy/beam ! Combined flux in latest and established models = 1.35022 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 43 components and 1.35022 Jy ! Inverting map ! Your choice of large map pixels excluded 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 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 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=2.181 mas, bmaj=5.029 mas, bpa=2.577 degrees ! Estimated noise=1.46064 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 = 0.00317624 Jy ! Component: 100 - total flux cleaned = 0.00452034 Jy ! Component: 150 - total flux cleaned = 0.00489224 Jy ! Component: 200 - total flux cleaned = 0.00516181 Jy ! Total flux subtracted in 200 components = 0.00516181 Jy ! Clean residual min=-0.005108 max=0.003553 Jy/beam ! Clean residual mean=-0.000008 rms=0.001455 Jy/beam ! Combined flux in latest and established models = 1.35538 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 64 components and 1.35538 Jy ! Inverting map ! Your choice of large map pixels excluded 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8269 mas, bmaj=2.171 mas, bpa=1.908 degrees ! Estimated noise=1.11785 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000291085 Jy ! Component: 100 - total flux cleaned = -0.000416695 Jy ! Component: 150 - total flux cleaned = -0.000316561 Jy ! Component: 200 - total flux cleaned = -0.000173537 Jy ! Total flux subtracted in 200 components = -0.000173537 Jy ! Clean residual min=-0.004039 max=0.003735 Jy/beam ! Clean residual mean=-0.000003 rms=0.001071 Jy/beam ! Combined flux in latest and established models = 1.35521 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 74 components and 1.35521 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.049745Jy sigma=0.922070 ! Fit after self-cal, rms=0.049717Jy sigma=0.921664 wmodel J1357-1527_X_2004_05_27_yyk\_map.mod ! Writing 74 model components to file: J1357-1527_X_2004_05_27_yyk_map.mod wobs J1357-1527_X_2004_05_27_yyk\_uvs.fits ! Writing UV FITS file: J1357-1527_X_2004_05_27_yyk_uvs.fits wwins J1357-1527_X_2004_05_27_yyk\_map.win ! wwins: Wrote 2 windows to J1357-1527_X_2004_05_27_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 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000265584 Jy ! Component: 100 - total flux cleaned = 0.000852882 Jy ! Component: 150 - total flux cleaned = 0.00128352 Jy ! Component: 200 - total flux cleaned = 0.0016909 Jy ! Component: 250 - total flux cleaned = 0.00191377 Jy ! Component: 300 - total flux cleaned = 0.001968 Jy ! Component: 350 - total flux cleaned = 0.0021267 Jy ! Component: 400 - total flux cleaned = 0.00207459 Jy ! Component: 450 - total flux cleaned = 0.00222397 Jy ! Component: 500 - total flux cleaned = 0.00241747 Jy ! Component: 550 - total flux cleaned = 0.00241711 Jy ! Component: 600 - total flux cleaned = 0.00246434 Jy ! Component: 650 - total flux cleaned = 0.00255615 Jy ! Component: 700 - total flux cleaned = 0.00264464 Jy ! Component: 750 - total flux cleaned = 0.00246913 Jy ! Component: 800 - total flux cleaned = 0.00255492 Jy ! Component: 850 - total flux cleaned = 0.00255519 Jy ! Component: 900 - total flux cleaned = 0.00259622 Jy ! Component: 950 - total flux cleaned = 0.00247375 Jy ! Component: 1000 - total flux cleaned = 0.00247364 Jy ! Component: 1050 - total flux cleaned = 0.00243451 Jy ! Component: 1100 - total flux cleaned = 0.00259006 Jy ! Component: 1150 - total flux cleaned = 0.0025506 Jy ! Component: 1200 - total flux cleaned = 0.002588 Jy ! Component: 1250 - total flux cleaned = 0.00258727 Jy ! Component: 1300 - total flux cleaned = 0.00273379 Jy ! Component: 1350 - total flux cleaned = 0.00287845 Jy ! Component: 1400 - total flux cleaned = 0.00294989 Jy ! Component: 1450 - total flux cleaned = 0.00305522 Jy ! Component: 1500 - total flux cleaned = 0.00322968 Jy ! Component: 1550 - total flux cleaned = 0.00329798 Jy ! Component: 1600 - total flux cleaned = 0.00339994 Jy ! Component: 1650 - total flux cleaned = 0.00346677 Jy ! Component: 1700 - total flux cleaned = 0.00356645 Jy ! Component: 1750 - total flux cleaned = 0.0035993 Jy ! Component: 1800 - total flux cleaned = 0.00366496 Jy ! Component: 1850 - total flux cleaned = 0.00382506 Jy ! Component: 1900 - total flux cleaned = 0.00391988 Jy ! Component: 1950 - total flux cleaned = 0.00388841 Jy ! Component: 2000 - total flux cleaned = 0.00391906 Jy ! Total flux subtracted in 2048 components = 0.00391858 Jy ! Clean residual min=-0.001688 max=0.001791 Jy/beam ! Clean residual mean=0.000001 rms=0.000580 Jy/beam ! Combined flux in latest and established models = 1.35913 Jy keep ! Adding 144 model components to the UV plane model. ! The established model now contains 218 components and 1.35913 Jy ![Exited script file: muppet] wmap "J1357-1527_X_2004_05_27_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8269 x 2.171 at 1.908 degrees (North through East) ! Clean map min=-0.0025817 max=1.2727 Jy/beam ! Writing clean map to FITS file: J1357-1527_X_2004_05_27_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.27269 invert ! Inverting map ! Your choice of large map pixels excluded 0.309% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000577173 device "J1357-1527_X_2004_05_27_yyk\_map.eps/VPS" ! Attempting to open device: 'J1357-1527_X_2004_05_27_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.136052 0.136052 0.272105 0.544209 1.08842 2.17684 4.35367 8.70735 17.4147 34.8294 69.6588 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0017 print "peak=",int(peak_flux*1000)/1000 ! peak= 1.272 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8269 x 2.171 at 1.908 degrees (North through East) ! Clean map min=-0.0025817 max=1.2727 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1357-1527_X_2004_05_27_yyk\_map.gif/gif" ! Attempting to open device: 'J1357-1527_X_2004_05_27_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1357-1527_X_2004_05_27_yyk_uvs.log closed on Wed Dec 7 00:29:25 2005