! Started logfile: J0024-4202_S_2002_01_31_yyk_uvs.log on Tue Jun 26 21:50:50 2007 obs J0024-4202_S_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J0024-4202_S_2002_01_31_yyk_uva.fits ! AN table 1: 38 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.215789 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0024-4202 ! ! 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 1225 lines of history. ! ! Reading 1476 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 J0024-4202_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)= 57.6045 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=2.805 mas, bmaj=45.16 mas, bpa=-26.82 degrees ! Estimated noise=3862.25 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 = 3.48412 Jy ! Component: 100 - total flux cleaned = 3.94303 Jy ! Total flux subtracted in 100 components = 3.94303 Jy ! Clean residual min=-5.450136 max=5.476796 Jy/beam ! Clean residual mean=-0.006180 rms=2.313749 Jy/beam ! Combined flux in latest and established models = 3.94303 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 36 model components to the UV plane model. ! The established model now contains 36 components and 3.94303 Jy ! ! Correcting IF 1. ! A total of 193 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 230 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 193 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 193 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=52.584949Jy sigma=0.333816 ! Fit after self-cal, rms=50.697170Jy sigma=0.323353 ! Inverting map and beam ! Estimated beam: bmin=2.805 mas, bmaj=45.16 mas, bpa=-26.82 degrees ! Estimated noise=3862.25 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=3.143 mas, bmaj=41.49 mas, bpa=-26.6 degrees ! Estimated noise=3224.76 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 = 3.75751 Jy ! Component: 100 - total flux cleaned = 3.10298 Jy ! Component: 150 - total flux cleaned = 2.20331 Jy ! Component: 200 - total flux cleaned = 1.92839 Jy ! Total flux subtracted in 200 components = 1.92839 Jy ! Clean residual min=-3.362348 max=3.339184 Jy/beam ! Clean residual mean=0.038764 rms=1.281214 Jy/beam ! Combined flux in latest and established models = 5.87141 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 62 model components to the UV plane model. ! The established model now contains 94 components and 5.87142 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=48.475250Jy sigma=0.306181 ! Fit after self-cal, rms=48.376472Jy sigma=0.305685 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.143 x 41.49 at -26.6 degrees (North through East) ! Clean map min=-7.8202 max=10.512 Jy/beam if(peak(flux) < thresh*2) selflims ampcor_selflim end if gscale ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 0.728037 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 2.55 ! LA 1.27 MK 3.18 NL 1.00* OV 0.44 ! PT 1.29 SC 1.00* ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 1.04529 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 1.00* ! LA 0.69 MK 1.31 NL 1.00* OV 0.49 ! PT 1.07 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: 0.271714 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 5.47 ! LA 7.40 MK 6.84 NL 1.00* OV 8.60 ! PT 3.49 SC 1.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 0.744941 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 0.19 ! LA 2.63 MK 1.27 NL 1.00* OV 2.53 ! PT 1.81 SC 1.00* ! ! ! Fit before self-cal, rms=48.376472Jy sigma=0.305685 ! Fit after self-cal, rms=24.086597Jy sigma=0.312645 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=24.086597Jy sigma=0.312645 ! Fit after self-cal, rms=24.131479Jy sigma=0.312559 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.223 mas, bmaj=47.57 mas, bpa=-26.52 degrees ! Estimated noise=1423.51 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 = -5.42424 Jy ! Component: 100 - total flux cleaned = -5.08381 Jy ! Component: 150 - total flux cleaned = -5.42095 Jy ! Component: 200 - total flux cleaned = -4.91092 Jy ! Total flux subtracted in 200 components = -4.91092 Jy ! Clean residual min=-5.790367 max=5.780226 Jy/beam ! Clean residual mean=0.083838 rms=2.177182 Jy/beam ! Combined flux in latest and established models = 0.9605 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 38 model components to the UV plane model. ! The established model now contains 131 components and 0.9605 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=22.753847Jy sigma=0.285509 ! Fit after self-cal, rms=22.689367Jy sigma=0.275037 ! 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=22.689367Jy sigma=0.275037 ! Fit after self-cal, rms=18.301201Jy sigma=0.166745 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 = 1.43233 Jy ! Component: 100 - total flux cleaned = 1.41075 Jy ! Component: 150 - total flux cleaned = 3.82434 Jy ! Component: 200 - total flux cleaned = 4.41312 Jy ! Total flux subtracted in 200 components = 4.41312 Jy ! Clean residual min=-5.022637 max=4.951400 Jy/beam ! Clean residual mean=0.047717 rms=1.960462 Jy/beam ! Combined flux in latest and established models = 5.37362 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 29 model components to the UV plane model. ! The established model now contains 153 components and 5.37362 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=18.549875Jy sigma=0.148763 ! Fit after self-cal, rms=16.956417Jy sigma=0.111496 ! 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: 3.223 x 47.57 at -26.52 degrees (North through East) ! Clean map min=-6.2081 max=4.7874 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=11.11 mas, bmaj=51.16 mas, bpa=-15.98 degrees ! Estimated noise=1807.54 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 = -0.297126 Jy ! Component: 100 - total flux cleaned = -0.00673101 Jy ! Component: 150 - total flux cleaned = 0.280022 Jy ! Component: 200 - total flux cleaned = 0.3437 Jy ! Total flux subtracted in 200 components = 0.3437 Jy ! Clean residual min=-1.072543 max=1.055187 Jy/beam ! Clean residual mean=0.019556 rms=0.435372 Jy/beam ! Combined flux in latest and established models = 5.71732 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 52 model components to the UV plane model. ! The established model now contains 203 components and 5.71732 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=15.026866Jy sigma=0.094688 ! Fit after self-cal, rms=14.867149Jy sigma=0.092596 ! 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=3.138 mas, bmaj=43.65 mas, bpa=-26.81 degrees ! Estimated noise=2954.56 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 2.20087 Jy ! Component: 100 - total flux cleaned = 2.68155 Jy ! Component: 150 - total flux cleaned = 4.04792 Jy ! Component: 200 - total flux cleaned = 3.1758 Jy ! Total flux subtracted in 200 components = 3.1758 Jy ! Clean residual min=-5.598060 max=5.520938 Jy/beam ! Clean residual mean=-0.033301 rms=1.993184 Jy/beam ! Combined flux in latest and established models = 3.1758 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 53 model components to the UV plane model. ! The established model now contains 53 components and 3.1758 Jy ! Inverting map and beam ! Estimated beam: bmin=3.223 mas, bmaj=47.57 mas, bpa=-26.52 degrees ! Estimated noise=1423.51 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 = 0.0664392 Jy ! Component: 100 - total flux cleaned = 1.99323 Jy ! Component: 150 - total flux cleaned = 6.59304 Jy ! Component: 200 - total flux cleaned = 13.4441 Jy ! Total flux subtracted in 200 components = 13.4441 Jy ! Clean residual min=-6.989112 max=7.125775 Jy/beam ! Clean residual mean=0.068679 rms=2.187469 Jy/beam ! Combined flux in latest and established models = 16.6199 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 69 components and 16.6199 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=11.11 mas, bmaj=51.16 mas, bpa=-15.98 degrees ! Estimated noise=1807.54 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 = 0.819105 Jy ! Component: 100 - total flux cleaned = 0.813635 Jy ! Component: 150 - total flux cleaned = -0.46018 Jy ! Component: 200 - total flux cleaned = -3.05667 Jy ! Total flux subtracted in 200 components = -3.05667 Jy ! Clean residual min=-3.372553 max=3.294386 Jy/beam ! Clean residual mean=-0.042166 rms=1.098019 Jy/beam ! Combined flux in latest and established models = 13.5633 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 92 components and 13.5633 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.223 mas, bmaj=47.57 mas, bpa=-26.52 degrees ! Estimated noise=1423.51 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.614472 Jy ! Component: 100 - total flux cleaned = 0.611869 Jy ! Component: 150 - total flux cleaned = 1.4359 Jy ! Component: 200 - total flux cleaned = 5.32411 Jy ! Total flux subtracted in 200 components = 5.32411 Jy ! Clean residual min=-3.832170 max=3.880962 Jy/beam ! Clean residual mean=0.049717 rms=1.296113 Jy/beam ! Combined flux in latest and established models = 18.8874 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 107 components and 18.8874 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=16.002474Jy sigma=0.120761 ! Fit after self-cal, rms=14.831127Jy sigma=0.110263 wmodel J0024-4202_S_2002_01_31_yyk\_map.mod ! Writing 107 model components to file: J0024-4202_S_2002_01_31_yyk_map.mod wobs J0024-4202_S_2002_01_31_yyk\_uvs.fits ! Writing UV FITS file: J0024-4202_S_2002_01_31_yyk_uvs.fits wwins J0024-4202_S_2002_01_31_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0024-4202_S_2002_01_31_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.223 x 47.57 at -26.52 degrees (North through East) ! Clean map min=-9.1165 max=9.2872 Jy/beam ! Writing clean map to FITS file: J0024-4202_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 9.28715 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 1.30164 device "J0024-4202_S_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J0024-4202_S_2002_01_31_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -42.0466 42.0466 84.0932 print "clev=",int(3*image_rms*10000)/10000 ! clev= 3.9049 print "peak=",int(peak_flux*1000)/1000 ! peak= 9.287 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.223 x 47.57 at -26.52 degrees (North through East) ! Clean map min=-9.1165 max=9.2872 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0024-4202_S_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J0024-4202_S_2002_01_31_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0024-4202_S_2002_01_31_yyk_uvs.log closed on Tue Jun 26 21:50:56 2007