! Started logfile: J0342-3256_S_2002_01_31_yyk_uvs.log on Tue Jun 26 22:08:12 2007 obs J0342-3256_S_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J0342-3256_S_2002_01_31_yyk_uva.fits ! AN table 1: 70 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.766984 visibilities/baseline/integration-bin. ! Found source: J0342-3256 ! ! 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 9664 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 J0342-3256_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)= 0.281549 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=2.455 mas, bmaj=6.232 mas, bpa=-2.108 degrees ! Estimated noise=1913.54 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=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0302881 Jy ! Component: 100 - total flux cleaned = 0.0429121 Jy ! Total flux subtracted in 100 components = 0.0429121 Jy ! Clean residual min=-0.013053 max=0.013056 Jy/beam ! Clean residual mean=0.000102 rms=0.004668 Jy/beam ! Combined flux in latest and established models = 0.0429122 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 0.0429122 Jy ! ! Correcting IF 1. ! A total of 154 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 174 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.275878Jy sigma=0.001790 ! Fit after self-cal, rms=0.275601Jy sigma=0.001788 ! Inverting map and beam ! Estimated beam: bmin=2.455 mas, bmaj=6.232 mas, bpa=-2.108 degrees ! Estimated noise=1916.48 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=3.237 mas, bmaj=8.624 mas, bpa=-5.296 degrees ! Estimated noise=1115.63 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=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0309111 Jy ! Component: 100 - total flux cleaned = 0.0496404 Jy ! Component: 150 - total flux cleaned = 0.0631716 Jy ! Component: 200 - total flux cleaned = 0.073071 Jy ! Total flux subtracted in 200 components = 0.073071 Jy ! Clean residual min=-0.007761 max=0.007772 Jy/beam ! Clean residual mean=0.000365 rms=0.003196 Jy/beam ! Combined flux in latest and established models = 0.115983 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 74 model components to the UV plane model. ! The established model now contains 101 components and 0.115983 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.271637Jy sigma=0.001760 ! Fit after self-cal, rms=0.271557Jy sigma=0.001760 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.237 x 8.624 at -5.296 degrees (North through East) ! Clean map min=-0.011432 max=0.039539 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. ! 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. ! 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=0.271557Jy sigma=0.001760 ! Fit after self-cal, rms=0.271557Jy sigma=0.001760 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=0.271557Jy sigma=0.001760 ! Fit after self-cal, rms=0.271557Jy sigma=0.001760 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.237 mas, bmaj=8.624 mas, bpa=-5.296 degrees ! Estimated noise=1115.63 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=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0121442 Jy ! Component: 100 - total flux cleaned = 0.0188108 Jy ! Component: 150 - total flux cleaned = 0.0233328 Jy ! Component: 200 - total flux cleaned = 0.0285465 Jy ! Total flux subtracted in 200 components = 0.0285465 Jy ! Clean residual min=-0.005689 max=0.005725 Jy/beam ! Clean residual mean=0.000316 rms=0.002439 Jy/beam ! Combined flux in latest and established models = 0.14453 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 72 model components to the UV plane model. ! The established model now contains 151 components and 0.14453 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.270111Jy sigma=0.001750 ! Fit after self-cal, rms=0.270087Jy sigma=0.001750 ! 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=0.270087Jy sigma=0.001750 ! Fit after self-cal, rms=0.268502Jy sigma=0.001739 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 = 0.00940545 Jy ! Component: 100 - total flux cleaned = 0.0174453 Jy ! Component: 150 - total flux cleaned = 0.0221988 Jy ! Component: 200 - total flux cleaned = 0.0266052 Jy ! Total flux subtracted in 200 components = 0.0266052 Jy ! Clean residual min=-0.005299 max=0.005296 Jy/beam ! Clean residual mean=0.000304 rms=0.002366 Jy/beam ! Combined flux in latest and established models = 0.171135 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 214 components and 0.171135 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.267093Jy sigma=0.001729 ! Fit after self-cal, rms=0.266697Jy sigma=0.001726 ! 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: 3.237 x 8.624 at -5.296 degrees (North through East) ! Clean map min=-0.009913 max=0.044365 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=9.171 mas, bmaj=25.78 mas, bpa=3.072 degrees ! Estimated noise=1389.95 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 = 0.00915387 Jy ! Component: 100 - total flux cleaned = 0.0125183 Jy ! Component: 150 - total flux cleaned = 0.0142485 Jy ! Component: 200 - total flux cleaned = 0.01555 Jy ! Total flux subtracted in 200 components = 0.01555 Jy ! Clean residual min=-0.003144 max=0.003141 Jy/beam ! Clean residual mean=0.000475 rms=0.001634 Jy/beam ! Combined flux in latest and established models = 0.186685 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 84 model components to the UV plane model. ! The established model now contains 297 components and 0.186685 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.266248Jy sigma=0.001723 ! Fit after self-cal, rms=0.266109Jy sigma=0.001722 ! 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=2.455 mas, bmaj=6.232 mas, bpa=-2.108 degrees ! Estimated noise=1916.48 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0373217 Jy ! Component: 100 - total flux cleaned = 0.0553044 Jy ! Component: 150 - total flux cleaned = 0.0691521 Jy ! Component: 200 - total flux cleaned = 0.0782103 Jy ! Total flux subtracted in 200 components = 0.0782103 Jy ! Clean residual min=-0.011820 max=0.011824 Jy/beam ! Clean residual mean=0.000106 rms=0.004440 Jy/beam ! Combined flux in latest and established models = 0.0782103 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 58 model components to the UV plane model. ! The established model now contains 58 components and 0.0782103 Jy ! Inverting map and beam ! Estimated beam: bmin=3.237 mas, bmaj=8.624 mas, bpa=-5.296 degrees ! Estimated noise=1115.63 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 = 0.0266767 Jy ! Component: 100 - total flux cleaned = 0.0390942 Jy ! Component: 150 - total flux cleaned = 0.0525646 Jy ! Component: 200 - total flux cleaned = 0.0626552 Jy ! Total flux subtracted in 200 components = 0.0626552 Jy ! Clean residual min=-0.007372 max=0.007451 Jy/beam ! Clean residual mean=0.000373 rms=0.003090 Jy/beam ! Combined flux in latest and established models = 0.140866 Jy ! Adding 72 model components to the UV plane model. ! The established model now contains 126 components and 0.140866 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=9.171 mas, bmaj=25.78 mas, bpa=3.072 degrees ! Estimated noise=1389.95 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 = 0.0114323 Jy ! Component: 100 - total flux cleaned = 0.0159939 Jy ! Component: 150 - total flux cleaned = 0.0192091 Jy ! Component: 200 - total flux cleaned = 0.0224741 Jy ! Total flux subtracted in 200 components = 0.0224741 Jy ! Clean residual min=-0.004224 max=0.004264 Jy/beam ! Clean residual mean=0.000550 rms=0.002213 Jy/beam ! Combined flux in latest and established models = 0.16334 Jy ! Adding 92 model components to the UV plane model. ! The established model now contains 217 components and 0.16334 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.237 mas, bmaj=8.624 mas, bpa=-5.296 degrees ! Estimated noise=1115.63 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0106621 Jy ! Component: 100 - total flux cleaned = 0.0178268 Jy ! Component: 150 - total flux cleaned = 0.0236816 Jy ! Component: 200 - total flux cleaned = 0.0307912 Jy ! Total flux subtracted in 200 components = 0.0307912 Jy ! Clean residual min=-0.004767 max=0.004771 Jy/beam ! Clean residual mean=0.000209 rms=0.002168 Jy/beam ! Combined flux in latest and established models = 0.194131 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 84 model components to the UV plane model. ! The established model now contains 288 components and 0.194131 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.265971Jy sigma=0.001721 ! Fit after self-cal, rms=0.265875Jy sigma=0.001720 wmodel J0342-3256_S_2002_01_31_yyk\_map.mod ! Writing 288 model components to file: J0342-3256_S_2002_01_31_yyk_map.mod wobs J0342-3256_S_2002_01_31_yyk\_uvs.fits ! Writing UV FITS file: J0342-3256_S_2002_01_31_yyk_uvs.fits wwins J0342-3256_S_2002_01_31_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0342-3256_S_2002_01_31_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.237 x 8.624 at -5.296 degrees (North through East) ! Clean map min=-0.011058 max=0.04756 Jy/beam ! Writing clean map to FITS file: J0342-3256_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 0.0475595 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00220185 device "J0342-3256_S_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J0342-3256_S_2002_01_31_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -13.889 13.889 27.778 55.556 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0066 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.047 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.237 x 8.624 at -5.296 degrees (North through East) ! Clean map min=-0.011058 max=0.04756 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0342-3256_S_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J0342-3256_S_2002_01_31_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0342-3256_S_2002_01_31_yyk_uvs.log closed on Tue Jun 26 22:08:17 2007