! Started logfile: J2316-4337_S_2002_01_31_yyk_uvs.log on Tue Jun 26 23:25:14 2007 obs J2316-4337_S_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J2316-4337_S_2002_01_31_yyk_uva.fits ! AN table 1: 37 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.441441 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2316-4337 ! ! 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 2940 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 J2316-4337_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)= 1.07667 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=2.134 mas, bmaj=6.858 mas, bpa=0.143 degrees ! Estimated noise=4156.62 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 = 0.0645131 Jy ! Component: 100 - total flux cleaned = 0.0615518 Jy ! Total flux subtracted in 100 components = 0.0615518 Jy ! Clean residual min=-0.032290 max=0.032214 Jy/beam ! Clean residual mean=0.001837 rms=0.013263 Jy/beam ! Combined flux in latest and established models = 0.0615518 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 0.0615518 Jy ! ! Correcting IF 1. ! A total of 158 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 154 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 226 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 119 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.064514Jy sigma=0.005097 ! Fit after self-cal, rms=1.063750Jy sigma=0.005090 ! Inverting map and beam ! Estimated beam: bmin=2.134 mas, bmaj=6.858 mas, bpa=0.143 degrees ! Estimated noise=4156.76 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=3.025 mas, bmaj=8.478 mas, bpa=0.6944 degrees ! Estimated noise=2747.5 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 = 0.0637694 Jy ! Component: 100 - total flux cleaned = 0.0707038 Jy ! Component: 150 - total flux cleaned = 0.079566 Jy ! Component: 200 - total flux cleaned = 0.0863548 Jy ! Total flux subtracted in 200 components = 0.0863548 Jy ! Clean residual min=-0.016450 max=0.016473 Jy/beam ! Clean residual mean=0.002496 rms=0.008273 Jy/beam ! Combined flux in latest and established models = 0.147907 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 79 model components to the UV plane model. ! The established model now contains 109 components and 0.147907 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.054957Jy sigma=0.005036 ! Fit after self-cal, rms=1.054861Jy sigma=0.005035 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.025 x 8.478 at 0.6944 degrees (North through East) ! Clean map min=-0.032493 max=0.061045 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. ! 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 3. ! 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 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* ! ! ! Fit before self-cal, rms=1.054861Jy sigma=0.005035 ! Fit after self-cal, rms=1.056106Jy sigma=0.005040 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=1.056106Jy sigma=0.005040 ! Fit after self-cal, rms=1.056104Jy sigma=0.005040 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.026 mas, bmaj=8.493 mas, bpa=0.8161 degrees ! Estimated noise=2752.33 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 = -0.0040062 Jy ! Component: 100 - total flux cleaned = -0.00303274 Jy ! Component: 150 - total flux cleaned = -0.0041336 Jy ! Component: 200 - total flux cleaned = -0.00309096 Jy ! Total flux subtracted in 200 components = -0.00309096 Jy ! Clean residual min=-0.012356 max=0.012462 Jy/beam ! Clean residual mean=0.001573 rms=0.005882 Jy/beam ! Combined flux in latest and established models = 0.144816 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 59 model components to the UV plane model. ! The established model now contains 160 components and 0.144816 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.054469Jy sigma=0.005030 ! Fit after self-cal, rms=1.054447Jy sigma=0.005029 ! 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=1.054447Jy sigma=0.005029 ! Fit after self-cal, rms=1.044151Jy sigma=0.004979 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 = 0.0304034 Jy ! Component: 100 - total flux cleaned = 0.0400281 Jy ! Component: 150 - total flux cleaned = 0.0488987 Jy ! Component: 200 - total flux cleaned = 0.0591871 Jy ! Total flux subtracted in 200 components = 0.0591871 Jy ! Clean residual min=-0.021084 max=0.020949 Jy/beam ! Clean residual mean=0.001862 rms=0.009004 Jy/beam ! Combined flux in latest and established models = 0.204003 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 40 model components to the UV plane model. ! The established model now contains 199 components and 0.204003 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.037673Jy sigma=0.004948 ! Fit after self-cal, rms=1.033894Jy sigma=0.004932 ! 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: 3.026 x 8.493 at 0.8161 degrees (North through East) ! Clean map min=-0.050147 max=0.076445 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=9.359 mas, bmaj=34.85 mas, bpa=4.653 degrees ! Estimated noise=3536.18 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 = 0.0102839 Jy ! Component: 100 - total flux cleaned = 0.00876852 Jy ! Component: 150 - total flux cleaned = 0.00874874 Jy ! Component: 200 - total flux cleaned = 0.0135368 Jy ! Total flux subtracted in 200 components = 0.0135368 Jy ! Clean residual min=-0.022675 max=0.023237 Jy/beam ! Clean residual mean=-0.000317 rms=0.009159 Jy/beam ! Combined flux in latest and established models = 0.217539 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 37 model components to the UV plane model. ! The established model now contains 235 components and 0.217539 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.032242Jy sigma=0.004929 ! Fit after self-cal, rms=1.029487Jy sigma=0.004917 ! 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=2.134 mas, bmaj=6.858 mas, bpa=0.1453 degrees ! Estimated noise=4160.16 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0302592 Jy ! Component: 100 - total flux cleaned = 0.0356258 Jy ! Component: 150 - total flux cleaned = 0.0450266 Jy ! Component: 200 - total flux cleaned = 0.0526705 Jy ! Total flux subtracted in 200 components = 0.0526705 Jy ! Clean residual min=-0.044268 max=0.044379 Jy/beam ! Clean residual mean=0.001831 rms=0.021483 Jy/beam ! Combined flux in latest and established models = 0.0526705 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 60 model components to the UV plane model. ! The established model now contains 60 components and 0.0526705 Jy ! Inverting map and beam ! Estimated beam: bmin=3.026 mas, bmaj=8.493 mas, bpa=0.8161 degrees ! Estimated noise=2752.33 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 = 0.0312979 Jy ! Component: 100 - total flux cleaned = 0.0460033 Jy ! Component: 150 - total flux cleaned = 0.0439726 Jy ! Component: 200 - total flux cleaned = 0.0402029 Jy ! Total flux subtracted in 200 components = 0.0402029 Jy ! Clean residual min=-0.023371 max=0.023188 Jy/beam ! Clean residual mean=0.002192 rms=0.010541 Jy/beam ! Combined flux in latest and established models = 0.0928734 Jy ! Adding 72 model components to the UV plane model. ! The established model now contains 130 components and 0.0928734 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=9.359 mas, bmaj=34.85 mas, bpa=4.653 degrees ! Estimated noise=3536.18 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 = 0.0126745 Jy ! Component: 100 - total flux cleaned = 0.0331191 Jy ! Component: 150 - total flux cleaned = 0.0497527 Jy ! Component: 200 - total flux cleaned = 0.0621145 Jy ! Total flux subtracted in 200 components = 0.0621145 Jy ! Clean residual min=-0.017647 max=0.018233 Jy/beam ! Clean residual mean=0.003628 rms=0.008392 Jy/beam ! Combined flux in latest and established models = 0.154988 Jy ! Adding 89 model components to the UV plane model. ! The established model now contains 219 components and 0.154988 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.026 mas, bmaj=8.493 mas, bpa=0.8161 degrees ! Estimated noise=2752.33 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00391547 Jy ! Component: 100 - total flux cleaned = -0.00244404 Jy ! Component: 150 - total flux cleaned = 0.00478885 Jy ! Component: 200 - total flux cleaned = 0.00910713 Jy ! Total flux subtracted in 200 components = 0.00910713 Jy ! Clean residual min=-0.017725 max=0.017958 Jy/beam ! Clean residual mean=0.001186 rms=0.007824 Jy/beam ! Combined flux in latest and established models = 0.164095 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 50 model components to the UV plane model. ! The established model now contains 264 components and 0.164095 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.023054Jy sigma=0.004887 ! Fit after self-cal, rms=1.021165Jy sigma=0.004881 wmodel J2316-4337_S_2002_01_31_yyk\_map.mod ! Writing 264 model components to file: J2316-4337_S_2002_01_31_yyk_map.mod wobs J2316-4337_S_2002_01_31_yyk\_uvs.fits ! Writing UV FITS file: J2316-4337_S_2002_01_31_yyk_uvs.fits wwins J2316-4337_S_2002_01_31_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J2316-4337_S_2002_01_31_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.026 x 8.493 at 0.8161 degrees (North through East) ! Clean map min=-0.079199 max=0.054782 Jy/beam ! Writing clean map to FITS file: J2316-4337_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 0.0547822 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00873399 device "J2316-4337_S_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J2316-4337_S_2002_01_31_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -47.8293 47.8293 95.6587 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0262 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.054 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.026 x 8.493 at 0.8161 degrees (North through East) ! Clean map min=-0.079199 max=0.054782 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2316-4337_S_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J2316-4337_S_2002_01_31_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J2316-4337_S_2002_01_31_yyk_uvs.log closed on Tue Jun 26 23:25:18 2007