! Started logfile: J0243-3204_X_2002_01_31_yyk_uvs.log on Wed Jun 27 10:46:35 2007 obs J0243-3204_X_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J0243-3204_X_2002_01_31_yyk_uva.fits ! AN table 1: 55 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.131313 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0243-3204 ! ! 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 8.40947e+09 8e+06 1 8e+06 ! 02 2 8.47947e+09 8e+06 1 8e+06 ! 03 3 8.79447e+09 8e+06 1 8e+06 ! 04 4 8.89947e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1545 lines of history. ! ! Reading 1300 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 flag NL ! Flagging baselines of antenna 1:NL in the currently selected channels. ![@muppet J0243-3204_X_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 0.200x0.200 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.158743 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=6.009 mas, bmaj=15.63 mas, bpa=7.106 degrees ! Estimated noise=3228.05 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 = 0.00673208 Jy ! Component: 100 - total flux cleaned = 0.00545236 Jy ! Total flux subtracted in 100 components = 0.00545236 Jy ! Clean residual min=-0.007511 max=0.007506 Jy/beam ! Clean residual mean=-0.000195 rms=0.003565 Jy/beam ! Combined flux in latest and established models = 0.00545236 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 58 model components to the UV plane model. ! The established model now contains 58 components and 0.00545236 Jy ! ! Correcting IF 1. ! A total of 550 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 550 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 334 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 334 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.155190Jy sigma=0.001316 ! Fit after self-cal, rms=0.158410Jy sigma=0.001321 ! Inverting map and beam ! Estimated beam: bmin=5.99 mas, bmaj=15.58 mas, bpa=7.011 degrees ! Estimated noise=3372.23 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=6.393 mas, bmaj=15.8 mas, bpa=3.163 degrees ! Estimated noise=3126.42 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 = -0.00760225 Jy ! Component: 100 - total flux cleaned = -0.00554567 Jy ! Component: 150 - total flux cleaned = -0.00438142 Jy ! Component: 200 - total flux cleaned = -0.0040268 Jy ! Total flux subtracted in 200 components = -0.0040268 Jy ! Clean residual min=-0.003733 max=0.003757 Jy/beam ! Clean residual mean=-0.000050 rms=0.001833 Jy/beam ! Combined flux in latest and established models = 0.00142557 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 91 model components to the UV plane model. ! The established model now contains 149 components and 0.00142557 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156108Jy sigma=0.001297 ! Fit after self-cal, rms=0.156030Jy sigma=0.001296 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 6.393 x 15.8 at 3.163 degrees (North through East) ! Clean map min=-0.017976 max=0.016048 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 0.00* FD 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* OV 0.00* ! PT 0.00* SC 0.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* OV 0.00* ! PT 0.00* SC 0.00* ! ! ! 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=0.156030Jy sigma=0.001296 ! Fit after self-cal, rms=0.156030Jy sigma=0.001296 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=0.156030Jy sigma=0.001296 ! Fit after self-cal, rms=0.156030Jy sigma=0.001296 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=6.393 mas, bmaj=15.8 mas, bpa=3.163 degrees ! Estimated noise=3126.42 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 = -0.000595628 Jy ! Component: 100 - total flux cleaned = -0.000573667 Jy ! Component: 150 - total flux cleaned = -0.000240315 Jy ! Component: 200 - total flux cleaned = -0.000220957 Jy ! Total flux subtracted in 200 components = -0.000220957 Jy ! Clean residual min=-0.001976 max=0.002057 Jy/beam ! Clean residual mean=0.000020 rms=0.001052 Jy/beam ! Combined flux in latest and established models = 0.00120462 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 90 model components to the UV plane model. ! The established model now contains 239 components and 0.00120461 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155742Jy sigma=0.001293 ! Fit after self-cal, rms=0.155757Jy sigma=0.001293 ! 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=0.155757Jy sigma=0.001293 ! Fit after self-cal, rms=0.154934Jy sigma=0.001285 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 = 7.1483e-05 Jy ! Component: 100 - total flux cleaned = -0.0014376 Jy ! Component: 150 - total flux cleaned = -0.00199547 Jy ! Component: 200 - total flux cleaned = -0.00322726 Jy ! Total flux subtracted in 200 components = -0.00322726 Jy ! Clean residual min=-0.001211 max=0.001202 Jy/beam ! Clean residual mean=-0.000019 rms=0.000643 Jy/beam ! Combined flux in latest and established models = -0.00202265 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 326 components and -0.00202265 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154560Jy sigma=0.001281 ! Fit after self-cal, rms=0.154156Jy sigma=0.001277 ! 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: 6.393 x 15.8 at 3.163 degrees (North through East) ! Clean map min=-0.021906 max=0.013507 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 = 70 mega-wavelengths. win_mult = win_mult * 1.4 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=6.487 mas, bmaj=15.83 mas, bpa=3.174 degrees ! Estimated noise=3127.84 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 = -0.0021245 Jy ! Component: 100 - total flux cleaned = -0.00243001 Jy ! Component: 150 - total flux cleaned = -0.00326433 Jy ! Component: 200 - total flux cleaned = -0.00353458 Jy ! Total flux subtracted in 200 components = -0.00353458 Jy ! Clean residual min=-0.001200 max=0.001249 Jy/beam ! Clean residual mean=0.000003 rms=0.000492 Jy/beam ! Combined flux in latest and established models = -0.00555722 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 77 model components to the UV plane model. ! The established model now contains 400 components and -0.00555722 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153994Jy sigma=0.001276 ! Fit after self-cal, rms=0.153807Jy sigma=0.001274 ! 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=5.99 mas, bmaj=15.58 mas, bpa=7.011 degrees ! Estimated noise=3372.23 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0056854 Jy ! Component: 100 - total flux cleaned = 0.00940056 Jy ! Component: 150 - total flux cleaned = 0.0115603 Jy ! Component: 200 - total flux cleaned = 0.0102316 Jy ! Total flux subtracted in 200 components = 0.0102316 Jy ! Clean residual min=-0.008472 max=0.008428 Jy/beam ! Clean residual mean=0.000158 rms=0.003425 Jy/beam ! Combined flux in latest and established models = 0.0102316 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 105 model components to the UV plane model. ! The established model now contains 105 components and 0.0102316 Jy ! Inverting map and beam ! Estimated beam: bmin=6.393 mas, bmaj=15.8 mas, bpa=3.163 degrees ! Estimated noise=3126.42 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 = 7.57537e-05 Jy ! Component: 100 - total flux cleaned = -0.00476367 Jy ! Component: 150 - total flux cleaned = -0.00671632 Jy ! Component: 200 - total flux cleaned = -0.00667505 Jy ! Total flux subtracted in 200 components = -0.00667505 Jy ! Clean residual min=-0.003626 max=0.003471 Jy/beam ! Clean residual mean=-0.000089 rms=0.001396 Jy/beam ! Combined flux in latest and established models = 0.00355651 Jy ! Adding 79 model components to the UV plane model. ! The established model now contains 183 components and 0.00355651 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=6.487 mas, bmaj=15.83 mas, bpa=3.174 degrees ! Estimated noise=3127.84 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 = 0.000464002 Jy ! Component: 100 - total flux cleaned = 0.000476822 Jy ! Component: 150 - total flux cleaned = 0.000951704 Jy ! Component: 200 - total flux cleaned = 0.00125656 Jy ! Total flux subtracted in 200 components = 0.00125656 Jy ! Clean residual min=-0.003747 max=0.004046 Jy/beam ! Clean residual mean=-0.000072 rms=0.001412 Jy/beam ! Combined flux in latest and established models = 0.00481307 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 209 components and 0.00481307 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=6.393 mas, bmaj=15.8 mas, bpa=3.163 degrees ! Estimated noise=3126.42 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00157185 Jy ! Component: 100 - total flux cleaned = -0.00189074 Jy ! Component: 150 - total flux cleaned = -0.00186443 Jy ! Component: 200 - total flux cleaned = -0.00155525 Jy ! Total flux subtracted in 200 components = -0.00155525 Jy ! Clean residual min=-0.002091 max=0.002006 Jy/beam ! Clean residual mean=-0.000063 rms=0.000867 Jy/beam ! Combined flux in latest and established models = 0.00325782 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 46 model components to the UV plane model. ! The established model now contains 254 components and 0.00325782 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153839Jy sigma=0.001275 ! Fit after self-cal, rms=0.153705Jy sigma=0.001273 wmodel J0243-3204_X_2002_01_31_yyk\_map.mod ! Writing 254 model components to file: J0243-3204_X_2002_01_31_yyk_map.mod wobs J0243-3204_X_2002_01_31_yyk\_uvs.fits ! Applying 55 buffered edits. ! Writing UV FITS file: J0243-3204_X_2002_01_31_yyk_uvs.fits wwins J0243-3204_X_2002_01_31_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0243-3204_X_2002_01_31_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 6.393 x 15.8 at 3.163 degrees (North through East) ! Clean map min=-0.019244 max=0.016974 Jy/beam ! Writing clean map to FITS file: J0243-3204_X_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 0.0169738 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000945197 device "J0243-3204_X_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J0243-3204_X_2002_01_31_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -16.7057 16.7057 33.4114 66.8229 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0028 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.016 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 6.393 x 15.8 at 3.163 degrees (North through East) ! Clean map min=-0.019244 max=0.016974 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0243-3204_X_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J0243-3204_X_2002_01_31_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0243-3204_X_2002_01_31_yyk_uvs.log closed on Wed Jun 27 10:46:41 2007