! Started logfile: J0045-3900_S_2002_01_31_yyk_uvs.log on Tue Jun 26 21:52:37 2007 obs J0045-3900_S_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J0045-3900_S_2002_01_31_yyk_uva.fits ! AN table 1: 38 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.766667 visibilities/baseline/integration-bin. ! Found source: J0045-3900 ! ! 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 2.22947e+09 8e+06 1 8e+06 ! 02 2 2.25947e+09 8e+06 1 8e+06 ! 03 3 2.34947e+09 8e+06 1 8e+06 ! 04 4 2.36947e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1224 lines of history. ! ! Reading 5244 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 J0045-3900_S_2002_01_31_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 0.500x0.500 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.439959 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 ! Estimated beam: bmin=2.575 mas, bmaj=6.907 mas, bpa=-0.7428 degrees ! Estimated noise=2454.41 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=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0259571 Jy ! Component: 100 - total flux cleaned = 0.0251408 Jy ! Total flux subtracted in 100 components = 0.0251408 Jy ! Clean residual min=-0.011335 max=0.011344 Jy/beam ! Clean residual mean=-0.000007 rms=0.004118 Jy/beam ! Combined flux in latest and established models = 0.0251408 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 29 model components to the UV plane model. ! The established model now contains 29 components and 0.0251408 Jy ! ! Correcting IF 1. ! A total of 59 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 118 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 158 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 46 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.436228Jy sigma=0.002313 ! Fit after self-cal, rms=0.435491Jy sigma=0.002310 ! Inverting map and beam ! Estimated beam: bmin=2.575 mas, bmaj=6.907 mas, bpa=-0.7428 degrees ! Estimated noise=2454.63 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 ! Estimated beam: bmin=3.277 mas, bmaj=8.748 mas, bpa=-1.742 degrees ! Estimated noise=1864.44 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 = 0.0127213 Jy ! Component: 100 - total flux cleaned = 0.0114375 Jy ! Component: 150 - total flux cleaned = 0.0120072 Jy ! Component: 200 - total flux cleaned = 0.0129818 Jy ! Total flux subtracted in 200 components = 0.0129818 Jy ! Clean residual min=-0.005467 max=0.005495 Jy/beam ! Clean residual mean=-0.000078 rms=0.002314 Jy/beam ! Combined flux in latest and established models = 0.0381226 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 60 model components to the UV plane model. ! The established model now contains 87 components and 0.0381226 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.433982Jy sigma=0.002300 ! Fit after self-cal, rms=0.433964Jy sigma=0.002300 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.277 x 8.748 at -1.742 degrees (North through East) ! Clean map min=-0.0099924 max=0.043659 Jy/beam if(peak(flux) < thresh*2) selflims ampcor_selflim end if ! 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 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 1.00* ! LA 1.00* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 1.00* ! LA 1.00* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 1.00* ! LA 1.00* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 1.00* ! LA 1.00* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Fit before self-cal, rms=0.433964Jy sigma=0.002300 ! Fit after self-cal, rms=0.434029Jy sigma=0.002300 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=0.434029Jy sigma=0.002300 ! Fit after self-cal, rms=0.434029Jy sigma=0.002300 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.276 mas, bmaj=8.744 mas, bpa=-1.743 degrees ! Estimated noise=1865.35 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 = 0.00539678 Jy ! Component: 100 - total flux cleaned = 0.00695997 Jy ! Component: 150 - total flux cleaned = 0.00660981 Jy ! Component: 200 - total flux cleaned = 0.00663298 Jy ! Total flux subtracted in 200 components = 0.00663298 Jy ! Clean residual min=-0.003949 max=0.003963 Jy/beam ! Clean residual mean=-0.000001 rms=0.001716 Jy/beam ! Combined flux in latest and established models = 0.0447556 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 51 model components to the UV plane model. ! The established model now contains 120 components and 0.0447556 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.433493Jy sigma=0.002297 ! Fit after self-cal, rms=0.433487Jy sigma=0.002297 ! Inverting map 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=0.433487Jy sigma=0.002297 ! Fit after self-cal, rms=0.431383Jy sigma=0.002286 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = -0.00354952 Jy ! Component: 100 - total flux cleaned = -0.00543838 Jy ! Component: 150 - total flux cleaned = -0.0043578 Jy ! Component: 200 - total flux cleaned = -0.00386381 Jy ! Total flux subtracted in 200 components = -0.00386381 Jy ! Clean residual min=-0.005806 max=0.005781 Jy/beam ! Clean residual mean=-0.000029 rms=0.002290 Jy/beam ! Combined flux in latest and established models = 0.0408918 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 55 model components to the UV plane model. ! The established model now contains 173 components and 0.0408918 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.429843Jy sigma=0.002278 ! Fit after self-cal, rms=0.429343Jy sigma=0.002276 ! Inverting map 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: 3.276 x 8.744 at -1.743 degrees (North through East) ! Clean map min=-0.012142 max=0.050423 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 uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. win_mult = win_mult * 1.4 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=9.261 mas, bmaj=33.21 mas, bpa=3.502 degrees ! Estimated noise=2321.37 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 = -0.00031012 Jy ! Component: 100 - total flux cleaned = 0.00238006 Jy ! Component: 150 - total flux cleaned = 0.0027144 Jy ! Component: 200 - total flux cleaned = 0.0042061 Jy ! Total flux subtracted in 200 components = 0.0042061 Jy ! Clean residual min=-0.003662 max=0.003782 Jy/beam ! Clean residual mean=-0.000037 rms=0.001809 Jy/beam ! Combined flux in latest and established models = 0.0450979 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 59 model components to the UV plane model. ! The established model now contains 229 components and 0.0450979 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.428719Jy sigma=0.002273 ! Fit after self-cal, rms=0.428686Jy sigma=0.002273 ! Inverting map 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 ! Estimated beam: bmin=2.575 mas, bmaj=6.907 mas, bpa=-0.7428 degrees ! Estimated noise=2454.73 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0555837 Jy ! Component: 100 - total flux cleaned = 0.0575857 Jy ! Component: 150 - total flux cleaned = 0.0524726 Jy ! Component: 200 - total flux cleaned = 0.0447438 Jy ! Total flux subtracted in 200 components = 0.0447438 Jy ! Clean residual min=-0.012751 max=0.012692 Jy/beam ! Clean residual mean=-0.000216 rms=0.005072 Jy/beam ! Combined flux in latest and established models = 0.0447438 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 65 model components to the UV plane model. ! The established model now contains 65 components and 0.0447438 Jy ! Inverting map and beam ! Estimated beam: bmin=3.276 mas, bmaj=8.744 mas, bpa=-1.743 degrees ! Estimated noise=1865.35 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 = -0.0013176 Jy ! Component: 100 - total flux cleaned = 0.00210339 Jy ! Component: 150 - total flux cleaned = 0.00329175 Jy ! Component: 200 - total flux cleaned = 0.00532703 Jy ! Total flux subtracted in 200 components = 0.00532703 Jy ! Clean residual min=-0.006198 max=0.006172 Jy/beam ! Clean residual mean=-0.000106 rms=0.002483 Jy/beam ! Combined flux in latest and established models = 0.0500708 Jy ! Adding 74 model components to the UV plane model. ! The established model now contains 137 components and 0.0500708 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=9.261 mas, bmaj=33.21 mas, bpa=3.502 degrees ! Estimated noise=2321.37 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 = 0.000601867 Jy ! Component: 100 - total flux cleaned = 0.00139319 Jy ! Component: 150 - total flux cleaned = 0.00206205 Jy ! Component: 200 - total flux cleaned = 0.00172971 Jy ! Total flux subtracted in 200 components = 0.00172971 Jy ! Clean residual min=-0.003787 max=0.003856 Jy/beam ! Clean residual mean=-0.000094 rms=0.001874 Jy/beam ! Combined flux in latest and established models = 0.0518005 Jy ! Adding 52 model components to the UV plane model. ! The established model now contains 188 components and 0.0518005 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.276 mas, bmaj=8.744 mas, bpa=-1.743 degrees ! Estimated noise=1865.35 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00247691 Jy ! Component: 100 - total flux cleaned = 0.00320219 Jy ! Component: 150 - total flux cleaned = 0.00221094 Jy ! Component: 200 - total flux cleaned = 0.00162686 Jy ! Total flux subtracted in 200 components = 0.00162686 Jy ! Clean residual min=-0.003725 max=0.003717 Jy/beam ! Clean residual mean=-0.000032 rms=0.001461 Jy/beam ! Combined flux in latest and established models = 0.0534274 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 48 model components to the UV plane model. ! The established model now contains 228 components and 0.0534273 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.427583Jy sigma=0.002267 ! Fit after self-cal, rms=0.427085Jy sigma=0.002265 wmodel J0045-3900_S_2002_01_31_yyk\_map.mod ! Writing 228 model components to file: J0045-3900_S_2002_01_31_yyk_map.mod wobs J0045-3900_S_2002_01_31_yyk\_uvs.fits ! Writing UV FITS file: J0045-3900_S_2002_01_31_yyk_uvs.fits wwins J0045-3900_S_2002_01_31_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0045-3900_S_2002_01_31_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.276 x 8.744 at -1.743 degrees (North through East) ! Clean map min=-0.012186 max=0.04384 Jy/beam ! Writing clean map to FITS file: J0045-3900_S_2002_01_31_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0438403 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00198163 device "J0045-3900_S_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J0045-3900_S_2002_01_31_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -13.5603 13.5603 27.1206 54.2412 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0059 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.043 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.276 x 8.744 at -1.743 degrees (North through East) ! Clean map min=-0.012186 max=0.04384 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0045-3900_S_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J0045-3900_S_2002_01_31_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0045-3900_S_2002_01_31_yyk_uvs.log closed on Tue Jun 26 21:52:41 2007