! Started logfile: J0853-3824_S_2002_05_14_yyk_uvs.log on Tue Jun 26 22:34:18 2007 obs J0853-3824_S_2002_05_14_yyk_uva.fits ! Reading UV FITS file: J0853-3824_S_2002_05_14_yyk_uva.fits ! AN table 1: 36 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.614198 visibilities/baseline/integration-bin. ! Found source: J0853-3824 ! ! 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 1154 lines of history. ! ! Reading 3980 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 J0853-3824_S_2002_05_14_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)= 0.411794 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=3.101 mas, bmaj=20.45 mas, bpa=-13.83 degrees ! Estimated noise=4253.44 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=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0484496 Jy ! Component: 100 - total flux cleaned = 0.0666645 Jy ! Total flux subtracted in 100 components = 0.0666645 Jy ! Clean residual min=-0.011828 max=0.012067 Jy/beam ! Clean residual mean=0.000415 rms=0.004687 Jy/beam ! Combined flux in latest and established models = 0.0666645 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 31 model components to the UV plane model. ! The established model now contains 31 components and 0.0666645 Jy ! ! Correcting IF 1. ! A total of 74 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 110 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 360 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 74 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.405999Jy sigma=0.001803 ! Fit after self-cal, rms=0.405764Jy sigma=0.001801 ! Inverting map and beam ! Estimated beam: bmin=3.101 mas, bmaj=20.45 mas, bpa=-13.83 degrees ! Estimated noise=4253.44 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=4.061 mas, bmaj=22.58 mas, bpa=-12.73 degrees ! Estimated noise=2488.78 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 = 0.0221234 Jy ! Component: 100 - total flux cleaned = 0.0285325 Jy ! Component: 150 - total flux cleaned = 0.0341194 Jy ! Component: 200 - total flux cleaned = 0.0373571 Jy ! Total flux subtracted in 200 components = 0.0373571 Jy ! Clean residual min=-0.005325 max=0.005361 Jy/beam ! Clean residual mean=0.000404 rms=0.002479 Jy/beam ! Combined flux in latest and established models = 0.104022 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 69 model components to the UV plane model. ! The established model now contains 99 components and 0.104022 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.404097Jy sigma=0.001790 ! Fit after self-cal, rms=0.404078Jy sigma=0.001789 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.061 x 22.58 at -12.73 degrees (North through East) ! Clean map min=-0.0098722 max=0.034726 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 1.00* ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* MK 0.00* ! ! ! 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 1.00* ! ! ! Fit before self-cal, rms=0.404078Jy sigma=0.001789 ! Fit after self-cal, rms=0.404078Jy sigma=0.001789 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=0.404078Jy sigma=0.001789 ! Fit after self-cal, rms=0.404065Jy sigma=0.001789 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.061 mas, bmaj=22.58 mas, bpa=-12.73 degrees ! Estimated noise=2488.78 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 = 0.00222265 Jy ! Component: 100 - total flux cleaned = 0.00369449 Jy ! Component: 150 - total flux cleaned = 0.00469148 Jy ! Component: 200 - total flux cleaned = 0.00593765 Jy ! Total flux subtracted in 200 components = 0.00593765 Jy ! Clean residual min=-0.003683 max=0.003719 Jy/beam ! Clean residual mean=0.000290 rms=0.001634 Jy/beam ! Combined flux in latest and established models = 0.109959 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 68 model components to the UV plane model. ! The established model now contains 157 components and 0.109959 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.403596Jy sigma=0.001787 ! Fit after self-cal, rms=0.403578Jy sigma=0.001787 ! 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=0.403578Jy sigma=0.001787 ! Fit after self-cal, rms=0.400737Jy sigma=0.001774 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 = 0.00822716 Jy ! Component: 100 - total flux cleaned = 0.0104738 Jy ! Component: 150 - total flux cleaned = 0.0134199 Jy ! Component: 200 - total flux cleaned = 0.015209 Jy ! Total flux subtracted in 200 components = 0.015209 Jy ! Clean residual min=-0.005376 max=0.005413 Jy/beam ! Clean residual mean=0.000192 rms=0.002375 Jy/beam ! Combined flux in latest and established models = 0.125168 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 56 model components to the UV plane model. ! The established model now contains 211 components and 0.125168 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.399222Jy sigma=0.001768 ! Fit after self-cal, rms=0.398510Jy sigma=0.001765 ! 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: 4.061 x 22.58 at -12.73 degrees (North through East) ! Clean map min=-0.014242 max=0.035726 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=9.776 mas, bmaj=40.02 mas, bpa=6.305 degrees ! Estimated noise=2821.64 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 = 0.00277818 Jy ! Component: 100 - total flux cleaned = 0.00169569 Jy ! Component: 150 - total flux cleaned = -6.4624e-05 Jy ! Component: 200 - total flux cleaned = -0.00105749 Jy ! Total flux subtracted in 200 components = -0.00105749 Jy ! Clean residual min=-0.003292 max=0.003171 Jy/beam ! Clean residual mean=0.000092 rms=0.001511 Jy/beam ! Combined flux in latest and established models = 0.124111 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 36 model components to the UV plane model. ! The established model now contains 242 components and 0.124111 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.397950Jy sigma=0.001762 ! Fit after self-cal, rms=0.398293Jy sigma=0.001763 ! 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=3.101 mas, bmaj=20.45 mas, bpa=-13.83 degrees ! Estimated noise=4253.44 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0660197 Jy ! Component: 100 - total flux cleaned = 0.0713104 Jy ! Component: 150 - total flux cleaned = 0.0758847 Jy ! Component: 200 - total flux cleaned = 0.081109 Jy ! Total flux subtracted in 200 components = 0.081109 Jy ! Clean residual min=-0.011989 max=0.012126 Jy/beam ! Clean residual mean=0.000405 rms=0.005360 Jy/beam ! Combined flux in latest and established models = 0.081109 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 52 model components to the UV plane model. ! The established model now contains 52 components and 0.081109 Jy ! Inverting map and beam ! Estimated beam: bmin=4.061 mas, bmaj=22.58 mas, bpa=-12.73 degrees ! Estimated noise=2488.78 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 = 0.010627 Jy ! Component: 100 - total flux cleaned = 0.0194703 Jy ! Component: 150 - total flux cleaned = 0.02595 Jy ! Component: 200 - total flux cleaned = 0.031193 Jy ! Total flux subtracted in 200 components = 0.031193 Jy ! Clean residual min=-0.006236 max=0.006222 Jy/beam ! Clean residual mean=0.000451 rms=0.002665 Jy/beam ! Combined flux in latest and established models = 0.112302 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 93 components and 0.112302 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=9.776 mas, bmaj=40.02 mas, bpa=6.305 degrees ! Estimated noise=2821.64 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 = 0.00841708 Jy ! Component: 100 - total flux cleaned = 0.0112841 Jy ! Component: 150 - total flux cleaned = 0.0112955 Jy ! Component: 200 - total flux cleaned = 0.00983187 Jy ! Total flux subtracted in 200 components = 0.00983187 Jy ! Clean residual min=-0.002996 max=0.002933 Jy/beam ! Clean residual mean=0.000333 rms=0.001380 Jy/beam ! Combined flux in latest and established models = 0.122134 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 139 components and 0.122134 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=4.061 mas, bmaj=22.58 mas, bpa=-12.73 degrees ! Estimated noise=2488.78 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00213999 Jy ! Component: 100 - total flux cleaned = 0.00212044 Jy ! Component: 150 - total flux cleaned = 0.00276458 Jy ! Component: 200 - total flux cleaned = 0.0030625 Jy ! Total flux subtracted in 200 components = 0.0030625 Jy ! Clean residual min=-0.003557 max=0.003525 Jy/beam ! Clean residual mean=0.000220 rms=0.001530 Jy/beam ! Combined flux in latest and established models = 0.125196 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 45 model components to the UV plane model. ! The established model now contains 181 components and 0.125196 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.396786Jy sigma=0.001757 ! Fit after self-cal, rms=0.396826Jy sigma=0.001757 wmodel J0853-3824_S_2002_05_14_yyk\_map.mod ! Writing 181 model components to file: J0853-3824_S_2002_05_14_yyk_map.mod wobs J0853-3824_S_2002_05_14_yyk\_uvs.fits ! Writing UV FITS file: J0853-3824_S_2002_05_14_yyk_uvs.fits wwins J0853-3824_S_2002_05_14_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0853-3824_S_2002_05_14_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.061 x 22.58 at -12.73 degrees (North through East) ! Clean map min=-0.018021 max=0.047144 Jy/beam ! Writing clean map to FITS file: J0853-3824_S_2002_05_14_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0471444 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00208715 device "J0853-3824_S_2002_05_14_yyk\_map.eps/VPS" ! Attempting to open device: 'J0853-3824_S_2002_05_14_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -13.2814 13.2814 26.5628 53.1257 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0062 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.047 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.061 x 22.58 at -12.73 degrees (North through East) ! Clean map min=-0.018021 max=0.047144 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0853-3824_S_2002_05_14_yyk\_map.gif/gif" ! Attempting to open device: 'J0853-3824_S_2002_05_14_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0853-3824_S_2002_05_14_yyk_uvs.log closed on Tue Jun 26 22:34:22 2007