! Started logfile: J1300-3253_S_2002_01_31_yyk_uvs.log on Tue Jun 26 22:47:12 2007 obs J1300-3253_S_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J1300-3253_S_2002_01_31_yyk_uva.fits ! AN table 1: 146 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.401979 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1300-3253 ! ! 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 10564 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 J1300-3253_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)= 7.60304 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=2.384 mas, bmaj=6.18 mas, bpa=-1.665 degrees ! Estimated noise=1767.61 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 = 0.0162777 Jy ! Component: 100 - total flux cleaned = -0.00732701 Jy ! Total flux subtracted in 100 components = -0.00732701 Jy ! Clean residual min=-0.144343 max=0.143477 Jy/beam ! Clean residual mean=0.000032 rms=0.091476 Jy/beam ! Combined flux in latest and established models = -0.00732701 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 87 model components to the UV plane model. ! The established model now contains 87 components and -0.00732701 Jy ! ! Correcting IF 1. ! A total of 1127 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 868 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 793 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 869 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=7.592974Jy sigma=0.038228 ! Fit after self-cal, rms=5.921447Jy sigma=0.029324 ! Inverting map and beam ! Estimated beam: bmin=2.384 mas, bmaj=6.18 mas, bpa=-1.663 degrees ! Estimated noise=1775.38 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=3.236 mas, bmaj=8.563 mas, bpa=-4.828 degrees ! Estimated noise=1158.85 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 = 0.0315485 Jy ! Component: 100 - total flux cleaned = 0.0394948 Jy ! Component: 150 - total flux cleaned = 0.047301 Jy ! Component: 200 - total flux cleaned = 0.04338 Jy ! Total flux subtracted in 200 components = 0.04338 Jy ! Clean residual min=-0.048183 max=0.048309 Jy/beam ! Clean residual mean=0.000111 rms=0.030901 Jy/beam ! Combined flux in latest and established models = 0.036053 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 134 model components to the UV plane model. ! The established model now contains 211 components and 0.036053 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=5.914585Jy sigma=0.029291 ! Fit after self-cal, rms=5.914569Jy sigma=0.029291 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.236 x 8.563 at -4.828 degrees (North through East) ! Clean map min=-0.06794 max=0.082215 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 6 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 6 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=5.914569Jy sigma=0.029291 ! Fit after self-cal, rms=5.891777Jy sigma=0.029183 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=5.891777Jy sigma=0.029183 ! Fit after self-cal, rms=5.891772Jy sigma=0.029183 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.236 mas, bmaj=8.577 mas, bpa=-4.875 degrees ! Estimated noise=1159.29 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 = -0.0106707 Jy ! Component: 100 - total flux cleaned = -0.0107229 Jy ! Component: 150 - total flux cleaned = -0.00027164 Jy ! Component: 200 - total flux cleaned = -0.0106907 Jy ! Total flux subtracted in 200 components = -0.0106907 Jy ! Clean residual min=-0.043488 max=0.043407 Jy/beam ! Clean residual mean=0.000032 rms=0.028367 Jy/beam ! Combined flux in latest and established models = 0.0253623 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 147 model components to the UV plane model. ! The established model now contains 315 components and 0.0253623 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=5.886366Jy sigma=0.029158 ! Fit after self-cal, rms=5.886358Jy sigma=0.029158 ! 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=5.886358Jy sigma=0.029158 ! Fit after self-cal, rms=5.866035Jy sigma=0.029057 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 = -0.00858874 Jy ! Component: 100 - total flux cleaned = 0.0158824 Jy ! Component: 150 - total flux cleaned = 0.00796572 Jy ! Component: 200 - total flux cleaned = -1.93818e-05 Jy ! Total flux subtracted in 200 components = -1.93818e-05 Jy ! Clean residual min=-0.097730 max=0.097872 Jy/beam ! Clean residual mean=0.000061 rms=0.049908 Jy/beam ! Combined flux in latest and established models = 0.0253429 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 126 model components to the UV plane model. ! The established model now contains 420 components and 0.0253429 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=5.838804Jy sigma=0.028925 ! Fit after self-cal, rms=5.833240Jy sigma=0.028896 ! 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: 3.236 x 8.577 at -4.875 degrees (North through East) ! Clean map min=-0.14239 max=0.13746 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=8.863 mas, bmaj=24.93 mas, bpa=3.532 degrees ! Estimated noise=1450.13 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 = -0.00732277 Jy ! Component: 100 - total flux cleaned = -0.00372487 Jy ! Component: 150 - total flux cleaned = -0.0144434 Jy ! Component: 200 - total flux cleaned = -0.0144679 Jy ! Total flux subtracted in 200 components = -0.0144679 Jy ! Clean residual min=-0.043540 max=0.043671 Jy/beam ! Clean residual mean=0.000189 rms=0.022229 Jy/beam ! Combined flux in latest and established models = 0.010875 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 70 model components to the UV plane model. ! The established model now contains 460 components and 0.010875 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=5.820652Jy sigma=0.028836 ! Fit after self-cal, rms=5.818976Jy sigma=0.028827 ! 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=2.384 mas, bmaj=6.18 mas, bpa=-1.663 degrees ! Estimated noise=1776.9 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.0539519 Jy ! Component: 100 - total flux cleaned = -0.0539532 Jy ! Component: 150 - total flux cleaned = -0.0534457 Jy ! Component: 200 - total flux cleaned = -0.0531339 Jy ! Total flux subtracted in 200 components = -0.0531339 Jy ! Clean residual min=-0.310203 max=0.308758 Jy/beam ! Clean residual mean=0.000043 rms=0.157060 Jy/beam ! Combined flux in latest and established models = -0.053134 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 132 model components to the UV plane model. ! The established model now contains 132 components and -0.053134 Jy ! Inverting map and beam ! Estimated beam: bmin=3.236 mas, bmaj=8.577 mas, bpa=-4.875 degrees ! Estimated noise=1159.29 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 = -0.017506 Jy ! Component: 100 - total flux cleaned = -0.0174672 Jy ! Component: 150 - total flux cleaned = -0.0176042 Jy ! Component: 200 - total flux cleaned = -0.00981208 Jy ! Total flux subtracted in 200 components = -0.00981208 Jy ! Clean residual min=-0.099426 max=0.100702 Jy/beam ! Clean residual mean=0.000242 rms=0.050058 Jy/beam ! Combined flux in latest and established models = -0.062946 Jy ! Adding 104 model components to the UV plane model. ! The established model now contains 208 components and -0.0629461 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=8.863 mas, bmaj=24.93 mas, bpa=3.532 degrees ! Estimated noise=1450.13 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 = -0.0102346 Jy ! Component: 100 - total flux cleaned = -0.00691413 Jy ! Component: 150 - total flux cleaned = -0.00691357 Jy ! Component: 200 - total flux cleaned = -0.01342 Jy ! Total flux subtracted in 200 components = -0.01342 Jy ! Clean residual min=-0.040445 max=0.040815 Jy/beam ! Clean residual mean=0.000690 rms=0.019774 Jy/beam ! Combined flux in latest and established models = -0.0763661 Jy ! Adding 60 model components to the UV plane model. ! The established model now contains 235 components and -0.0763661 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.236 mas, bmaj=8.577 mas, bpa=-4.875 degrees ! Estimated noise=1159.29 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0322509 Jy ! Component: 100 - total flux cleaned = 0.0168326 Jy ! Component: 150 - total flux cleaned = 0.0168635 Jy ! Component: 200 - total flux cleaned = 0.0168122 Jy ! Total flux subtracted in 200 components = 0.0168122 Jy ! Clean residual min=-0.093868 max=0.093916 Jy/beam ! Clean residual mean=0.000207 rms=0.047344 Jy/beam ! Combined flux in latest and established models = -0.0595539 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 94 model components to the UV plane model. ! The established model now contains 269 components and -0.0595539 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=5.744491Jy sigma=0.028464 ! Fit after self-cal, rms=5.743608Jy sigma=0.028459 wmodel J1300-3253_S_2002_01_31_yyk\_map.mod ! Writing 269 model components to file: J1300-3253_S_2002_01_31_yyk_map.mod wobs J1300-3253_S_2002_01_31_yyk\_uvs.fits ! Writing UV FITS file: J1300-3253_S_2002_01_31_yyk_uvs.fits wwins J1300-3253_S_2002_01_31_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J1300-3253_S_2002_01_31_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.236 x 8.577 at -4.875 degrees (North through East) ! Clean map min=-0.19395 max=0.18752 Jy/beam ! Writing clean map to FITS file: J1300-3253_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 0.187519 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.0476197 device "J1300-3253_S_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J1300-3253_S_2002_01_31_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -76.1839 76.1839 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.1428 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.187 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.236 x 8.577 at -4.875 degrees (North through East) ! Clean map min=-0.19395 max=0.18752 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1300-3253_S_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J1300-3253_S_2002_01_31_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1300-3253_S_2002_01_31_yyk_uvs.log closed on Tue Jun 26 22:47:18 2007