! Started logfile: J1832-2039_S_1997_08_27_yyk_uvs.log on Sun Jan 7 19:32:05 2007 obs J1832-2039_S_1997_08_27_yyk_uva.fits ! Reading UV FITS file: J1832-2039_S_1997_08_27_yyk_uva.fits ! AN table 1: 106 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.694549 visibilities/baseline/integration-bin. ! Found source: J1832-2039 ! ! 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 703 lines of history. ! ! Reading 13252 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 J1832-2039_S_1997_08_27_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)= 2.98901 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=2.933 mas, bmaj=6.296 mas, bpa=-22.41 degrees ! Estimated noise=3399.18 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=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.202679 Jy ! Component: 100 - total flux cleaned = 0.254266 Jy ! Total flux subtracted in 100 components = 0.254266 Jy ! Clean residual min=-0.063284 max=0.063359 Jy/beam ! Clean residual mean=-0.005514 rms=0.024338 Jy/beam ! Combined flux in latest and established models = 0.254266 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 53 model components to the UV plane model. ! The established model now contains 53 components and 0.254266 Jy ! ! Correcting IF 1. ! A total of 279 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 713 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 176 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 174 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=2.974031Jy sigma=0.006184 ! Fit after self-cal, rms=2.972014Jy sigma=0.006176 ! Inverting map and beam ! Estimated beam: bmin=2.933 mas, bmaj=6.296 mas, bpa=-22.41 degrees ! Estimated noise=3399.18 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=3.616 mas, bmaj=7.841 mas, bpa=-14.11 degrees ! Estimated noise=2182.38 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 = 0.219579 Jy ! Component: 100 - total flux cleaned = 0.330242 Jy ! Component: 150 - total flux cleaned = 0.350084 Jy ! Component: 200 - total flux cleaned = 0.35006 Jy ! Total flux subtracted in 200 components = 0.35006 Jy ! Clean residual min=-0.038808 max=0.038874 Jy/beam ! Clean residual mean=-0.004558 rms=0.018513 Jy/beam ! Combined flux in latest and established models = 0.604327 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 126 model components to the UV plane model. ! The established model now contains 173 components and 0.604327 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.959440Jy sigma=0.006106 ! Fit after self-cal, rms=2.959297Jy sigma=0.006106 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.616 x 7.841 at -14.11 degrees (North through East) ! Clean map min=-0.062276 max=0.23077 Jy/beam if(peak(flux) < thresh*2) selflims ampcor_selflim end if gscale ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Amplitude normalization factor in sub-array 1: 0.650458 ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 1.07 HN 5.88 KP 0.87 ! LA 0.58 MK 2.69 NL 1.00* OV 1.23 ! PT 1.00* SC 0.18 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 0.307607 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 2.55 HN 1.00* KP 12.05 ! LA 5.61 MK 1.00* NL 0.72 OV 1.00* ! PT 1.00* SC 6.57 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 0.857024 ! Telescope amplitude corrections in sub-array 1: ! BR 0.75 FD 1.06 HN 0.55 KP 0.73 ! LA 0.75 MK 0.35 NL 1.06 OV 0.83 ! PT 1.00* SC 4.58 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.621338 ! Telescope amplitude corrections in sub-array 1: ! BR 0.77 FD 0.98 HN 1.63 KP 0.85 ! LA 0.76 MK 6.27 NL 1.55 OV 0.89 ! PT 1.00* SC 1.40 ! ! ! Fit before self-cal, rms=2.959297Jy sigma=0.006106 ! Fit after self-cal, rms=3.053354Jy sigma=0.006388 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=3.053354Jy sigma=0.006388 ! Fit after self-cal, rms=3.053941Jy sigma=0.006387 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.941 mas, bmaj=8.711 mas, bpa=8.411 degrees ! Estimated noise=565.157 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 = -0.122442 Jy ! Component: 100 - total flux cleaned = -0.194016 Jy ! Component: 150 - total flux cleaned = -0.236856 Jy ! Component: 200 - total flux cleaned = -0.263377 Jy ! Total flux subtracted in 200 components = -0.263377 Jy ! Clean residual min=-0.016134 max=0.015922 Jy/beam ! Clean residual mean=0.000263 rms=0.005435 Jy/beam ! Combined flux in latest and established models = 0.34095 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 63 model components to the UV plane model. ! The established model now contains 213 components and 0.34095 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=3.049046Jy sigma=0.006080 ! Fit after self-cal, rms=3.049148Jy sigma=0.006078 ! 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=3.049148Jy sigma=0.006078 ! Fit after self-cal, rms=3.046761Jy sigma=0.006060 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 = -0.0149778 Jy ! Component: 100 - total flux cleaned = -0.0247068 Jy ! Component: 150 - total flux cleaned = -0.0282306 Jy ! Component: 200 - total flux cleaned = -0.027011 Jy ! Total flux subtracted in 200 components = -0.027011 Jy ! Clean residual min=-0.007352 max=0.007208 Jy/beam ! Clean residual mean=-0.000038 rms=0.002692 Jy/beam ! Combined flux in latest and established models = 0.313939 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 73 model components to the UV plane model. ! The established model now contains 279 components and 0.313939 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=3.045907Jy sigma=0.006036 ! Fit after self-cal, rms=3.045142Jy sigma=0.006031 ! 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: 2.941 x 8.711 at 8.411 degrees (North through East) ! Clean map min=-0.021124 max=0.07291 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=5.935 mas, bmaj=14.5 mas, bpa=5.635 degrees ! Estimated noise=833.672 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 = -0.0116429 Jy ! Component: 100 - total flux cleaned = -0.0132605 Jy ! Component: 150 - total flux cleaned = -0.0152127 Jy ! Component: 200 - total flux cleaned = -0.0164097 Jy ! Total flux subtracted in 200 components = -0.0164097 Jy ! Clean residual min=-0.006683 max=0.006595 Jy/beam ! Clean residual mean=-0.000398 rms=0.003012 Jy/beam ! Combined flux in latest and established models = 0.297529 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 89 model components to the UV plane model. ! The established model now contains 356 components and 0.297529 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=3.044175Jy sigma=0.006022 ! Fit after self-cal, rms=3.044141Jy sigma=0.006020 ! 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=3.067 mas, bmaj=6.032 mas, bpa=-8.94 degrees ! Estimated noise=1399.03 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0878208 Jy ! Component: 100 - total flux cleaned = 0.0946374 Jy ! Component: 150 - total flux cleaned = 0.0947395 Jy ! Component: 200 - total flux cleaned = 0.0949645 Jy ! Total flux subtracted in 200 components = 0.0949645 Jy ! Clean residual min=-0.030285 max=0.030440 Jy/beam ! Clean residual mean=-0.000977 rms=0.013218 Jy/beam ! Combined flux in latest and established models = 0.0949644 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 75 model components to the UV plane model. ! The established model now contains 75 components and 0.0949644 Jy ! Inverting map and beam ! Estimated beam: bmin=2.941 mas, bmaj=8.711 mas, bpa=8.411 degrees ! Estimated noise=565.157 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 = 0.0395256 Jy ! Component: 100 - total flux cleaned = 0.0651103 Jy ! Component: 150 - total flux cleaned = 0.0757276 Jy ! Component: 200 - total flux cleaned = 0.0787518 Jy ! Total flux subtracted in 200 components = 0.0787518 Jy ! Clean residual min=-0.008545 max=0.008624 Jy/beam ! Clean residual mean=-0.000276 rms=0.003411 Jy/beam ! Combined flux in latest and established models = 0.173716 Jy ! Adding 64 model components to the UV plane model. ! The established model now contains 138 components and 0.173716 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=5.935 mas, bmaj=14.5 mas, bpa=5.635 degrees ! Estimated noise=833.672 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 = 0.0117617 Jy ! Component: 100 - total flux cleaned = 0.0118112 Jy ! Component: 150 - total flux cleaned = 0.0126084 Jy ! Component: 200 - total flux cleaned = 0.0147483 Jy ! Total flux subtracted in 200 components = 0.0147483 Jy ! Clean residual min=-0.007936 max=0.007999 Jy/beam ! Clean residual mean=-0.000590 rms=0.003803 Jy/beam ! Combined flux in latest and established models = 0.188465 Jy ! Adding 94 model components to the UV plane model. ! The established model now contains 225 components and 0.188465 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.941 mas, bmaj=8.711 mas, bpa=8.411 degrees ! Estimated noise=565.157 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00343786 Jy ! Component: 100 - total flux cleaned = 0.0053192 Jy ! Component: 150 - total flux cleaned = 0.00702016 Jy ! Component: 200 - total flux cleaned = 0.00733857 Jy ! Total flux subtracted in 200 components = 0.00733857 Jy ! Clean residual min=-0.003916 max=0.003935 Jy/beam ! Clean residual mean=-0.000211 rms=0.001558 Jy/beam ! Combined flux in latest and established models = 0.195803 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 62 model components to the UV plane model. ! The established model now contains 283 components and 0.195803 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=3.042448Jy sigma=0.006017 ! Fit after self-cal, rms=3.042181Jy sigma=0.006015 wmodel J1832-2039_S_1997_08_27_yyk\_map.mod ! Writing 283 model components to file: J1832-2039_S_1997_08_27_yyk_map.mod wobs J1832-2039_S_1997_08_27_yyk\_uvs.fits ! Writing UV FITS file: J1832-2039_S_1997_08_27_yyk_uvs.fits wwins J1832-2039_S_1997_08_27_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J1832-2039_S_1997_08_27_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.941 x 8.711 at 8.411 degrees (North through East) ! Clean map min=-0.024307 max=0.067516 Jy/beam ! Writing clean map to FITS file: J1832-2039_S_1997_08_27_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.067516 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00154188 device "J1832-2039_S_1997_08_27_yyk\_map.eps/VPS" ! Attempting to open device: 'J1832-2039_S_1997_08_27_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -6.8512 6.8512 13.7024 27.4048 54.8096 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0046 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.067 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.941 x 8.711 at 8.411 degrees (North through East) ! Clean map min=-0.024307 max=0.067516 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1832-2039_S_1997_08_27_yyk\_map.gif/gif" ! Attempting to open device: 'J1832-2039_S_1997_08_27_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1832-2039_S_1997_08_27_yyk_uvs.log closed on Sun Jan 7 19:32:10 2007