! Started logfile: J2209-2331_S_1997_07_02_yyk_uvs.log on Sun Jan 7 20:07:57 2007 obs J2209-2331_S_1997_07_02_yyk_uva.fits ! Reading UV FITS file: J2209-2331_S_1997_07_02_yyk_uva.fits ! AN table 1: 140 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.29619 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2209-2331 ! ! 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 2.22447e+09 8e+06 1 8e+06 ! 02 2 2.23447e+09 8e+06 1 8e+06 ! 03 3 2.29447e+09 8e+06 1 8e+06 ! 04 4 2.32447e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 755 lines of history. ! ! Reading 7464 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 J2209-2331_S_1997_07_02_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)= 0.4772 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=3.403 mas, bmaj=14.34 mas, bpa=16.5 degrees ! Estimated noise=4328.63 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 = 0.0745343 Jy ! Component: 100 - total flux cleaned = 0.123674 Jy ! Total flux subtracted in 100 components = 0.123674 Jy ! Clean residual min=-0.020466 max=0.021418 Jy/beam ! Clean residual mean=0.001979 rms=0.008305 Jy/beam ! Combined flux in latest and established models = 0.123674 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 44 model components to the UV plane model. ! The established model now contains 44 components and 0.123674 Jy ! ! Correcting IF 1. ! A total of 951 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 859 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 906 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 859 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.460035Jy sigma=0.002053 ! Fit after self-cal, rms=0.457002Jy sigma=0.002036 ! Inverting map and beam ! Estimated beam: bmin=3.403 mas, bmaj=14.33 mas, bpa=16.5 degrees ! Estimated noise=4331.8 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=4.142 mas, bmaj=18.2 mas, bpa=16.17 degrees ! Estimated noise=2204.07 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 = 0.0815399 Jy ! Component: 100 - total flux cleaned = 0.131002 Jy ! Component: 150 - total flux cleaned = 0.163668 Jy ! Component: 200 - total flux cleaned = 0.183487 Jy ! Total flux subtracted in 200 components = 0.183487 Jy ! Clean residual min=-0.011632 max=0.011595 Jy/beam ! Clean residual mean=0.002625 rms=0.005549 Jy/beam ! Combined flux in latest and established models = 0.307161 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 135 model components to the UV plane model. ! The established model now contains 178 components and 0.307161 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.445132Jy sigma=0.001969 ! Fit after self-cal, rms=0.444982Jy sigma=0.001968 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.142 x 18.2 at 16.17 degrees (North through East) ! Clean map min=-0.014946 max=0.063105 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. ! A total of 21 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 2. ! A total of 18 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 3. ! A total of 96 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. ! A total of 18 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* ! ! ! Fit before self-cal, rms=0.444982Jy sigma=0.001968 ! Fit after self-cal, rms=0.448845Jy sigma=0.001968 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=0.448845Jy sigma=0.001968 ! Fit after self-cal, rms=0.448844Jy sigma=0.001968 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.043 mas, bmaj=17.75 mas, bpa=16.22 degrees ! Estimated noise=2270.85 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 = 0.00707029 Jy ! Component: 100 - total flux cleaned = 0.00864743 Jy ! Component: 150 - total flux cleaned = 0.0101898 Jy ! Component: 200 - total flux cleaned = 0.00873231 Jy ! Total flux subtracted in 200 components = 0.00873231 Jy ! Clean residual min=-0.008900 max=0.008822 Jy/beam ! Clean residual mean=0.002311 rms=0.004076 Jy/beam ! Combined flux in latest and established models = 0.315893 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 83 model components to the UV plane model. ! The established model now contains 258 components and 0.315893 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.446344Jy sigma=0.001957 ! Fit after self-cal, rms=0.446279Jy sigma=0.001957 ! 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=0.446279Jy sigma=0.001957 ! Fit after self-cal, rms=0.444364Jy sigma=0.001948 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 = 0.0207367 Jy ! Component: 100 - total flux cleaned = 0.0294425 Jy ! Component: 150 - total flux cleaned = 0.0346581 Jy ! Component: 200 - total flux cleaned = 0.0392293 Jy ! Total flux subtracted in 200 components = 0.0392293 Jy ! Clean residual min=-0.006703 max=0.006697 Jy/beam ! Clean residual mean=0.001801 rms=0.002930 Jy/beam ! Combined flux in latest and established models = 0.355123 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 65 model components to the UV plane model. ! The established model now contains 321 components and 0.355122 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.442319Jy sigma=0.001939 ! Fit after self-cal, rms=0.441798Jy sigma=0.001937 ! 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: 4.043 x 17.75 at 16.22 degrees (North through East) ! Clean map min=-0.025284 max=0.069574 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=8.585 mas, bmaj=23.06 mas, bpa=2.043 degrees ! Estimated noise=2633.49 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 = 0.00820699 Jy ! Component: 100 - total flux cleaned = 0.0127566 Jy ! Component: 150 - total flux cleaned = 0.011576 Jy ! Component: 200 - total flux cleaned = 0.0093265 Jy ! Total flux subtracted in 200 components = 0.0093265 Jy ! Clean residual min=-0.006775 max=0.006788 Jy/beam ! Clean residual mean=0.002234 rms=0.002993 Jy/beam ! Combined flux in latest and established models = 0.364449 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 88 model components to the UV plane model. ! The established model now contains 400 components and 0.364449 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.440939Jy sigma=0.001932 ! Fit after self-cal, rms=0.440685Jy sigma=0.001931 ! 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=3.407 mas, bmaj=14.35 mas, bpa=16.5 degrees ! Estimated noise=4329.53 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.113717 Jy ! Component: 100 - total flux cleaned = 0.173502 Jy ! Component: 150 - total flux cleaned = 0.201431 Jy ! Component: 200 - total flux cleaned = 0.214239 Jy ! Total flux subtracted in 200 components = 0.214239 Jy ! Clean residual min=-0.015566 max=0.015506 Jy/beam ! Clean residual mean=0.001639 rms=0.006783 Jy/beam ! Combined flux in latest and established models = 0.214239 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 94 model components to the UV plane model. ! The established model now contains 94 components and 0.214239 Jy ! Inverting map and beam ! Estimated beam: bmin=4.043 mas, bmaj=17.75 mas, bpa=16.22 degrees ! Estimated noise=2270.85 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 = 0.0421187 Jy ! Component: 100 - total flux cleaned = 0.0509617 Jy ! Component: 150 - total flux cleaned = 0.056486 Jy ! Component: 200 - total flux cleaned = 0.0584737 Jy ! Total flux subtracted in 200 components = 0.0584737 Jy ! Clean residual min=-0.011575 max=0.011524 Jy/beam ! Clean residual mean=0.002428 rms=0.005013 Jy/beam ! Combined flux in latest and established models = 0.272712 Jy ! Adding 96 model components to the UV plane model. ! The established model now contains 190 components and 0.272712 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=8.585 mas, bmaj=23.06 mas, bpa=2.043 degrees ! Estimated noise=2633.49 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 = 0.0199826 Jy ! Component: 100 - total flux cleaned = 0.0219076 Jy ! Component: 150 - total flux cleaned = 0.023687 Jy ! Component: 200 - total flux cleaned = 0.019583 Jy ! Total flux subtracted in 200 components = 0.019583 Jy ! Clean residual min=-0.009872 max=0.009879 Jy/beam ! Clean residual mean=0.003032 rms=0.004450 Jy/beam ! Combined flux in latest and established models = 0.292295 Jy ! Adding 90 model components to the UV plane model. ! The established model now contains 274 components and 0.292295 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=4.043 mas, bmaj=17.75 mas, bpa=16.22 degrees ! Estimated noise=2270.85 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0141053 Jy ! Component: 100 - total flux cleaned = 0.0259608 Jy ! Component: 150 - total flux cleaned = 0.0341156 Jy ! Component: 200 - total flux cleaned = 0.0415469 Jy ! Total flux subtracted in 200 components = 0.0415469 Jy ! Clean residual min=-0.005150 max=0.005245 Jy/beam ! Clean residual mean=0.001523 rms=0.002266 Jy/beam ! Combined flux in latest and established models = 0.333842 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 81 model components to the UV plane model. ! The established model now contains 352 components and 0.333842 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.440608Jy sigma=0.001931 ! Fit after self-cal, rms=0.440350Jy sigma=0.001930 wmodel J2209-2331_S_1997_07_02_yyk\_map.mod ! Writing 352 model components to file: J2209-2331_S_1997_07_02_yyk_map.mod wobs J2209-2331_S_1997_07_02_yyk\_uvs.fits ! Writing UV FITS file: J2209-2331_S_1997_07_02_yyk_uvs.fits wwins J2209-2331_S_1997_07_02_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J2209-2331_S_1997_07_02_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.043 x 17.75 at 16.22 degrees (North through East) ! Clean map min=-0.036906 max=0.07977 Jy/beam ! Writing clean map to FITS file: J2209-2331_S_1997_07_02_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0797704 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00236673 device "J2209-2331_S_1997_07_02_yyk\_map.eps/VPS" ! Attempting to open device: 'J2209-2331_S_1997_07_02_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -8.90079 8.90079 17.8016 35.6032 71.2063 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0071 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.079 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.043 x 17.75 at 16.22 degrees (North through East) ! Clean map min=-0.036906 max=0.07977 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2209-2331_S_1997_07_02_yyk\_map.gif/gif" ! Attempting to open device: 'J2209-2331_S_1997_07_02_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J2209-2331_S_1997_07_02_yyk_uvs.log closed on Sun Jan 7 20:08:02 2007