! Started logfile: J0943-0819_X_1997_05_07_yyk_uvs.log on Mon Jan 8 04:32:54 2007 obs J0943-0819_X_1997_05_07_yyk_uva.fits ! Reading UV FITS file: J0943-0819_X_1997_05_07_yyk_uva.fits ! AN table 1: 143 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.463092 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0943-0819 ! ! 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 8.15447e+09 8e+06 1 8e+06 ! 02 2 8.23447e+09 8e+06 1 8e+06 ! 03 3 8.41447e+09 8e+06 1 8e+06 ! 04 4 8.55447e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 614 lines of history. ! ! Reading 11920 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 J0943-0819_X_1997_05_07_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)= 0.265714 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=0.8439 mas, bmaj=5.83 mas, bpa=25.65 degrees ! Estimated noise=1281.28 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 = 0.0524295 Jy ! Component: 100 - total flux cleaned = 0.0779715 Jy ! Total flux subtracted in 100 components = 0.0779715 Jy ! Clean residual min=-0.012686 max=0.012766 Jy/beam ! Clean residual mean=0.000211 rms=0.005141 Jy/beam ! Combined flux in latest and established models = 0.0779716 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 48 model components to the UV plane model. ! The established model now contains 48 components and 0.0779716 Jy ! ! Correcting IF 1. ! A total of 433 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 468 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 433 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 433 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.251912Jy sigma=0.001728 ! Fit after self-cal, rms=0.251427Jy sigma=0.001725 ! Inverting map and beam ! Estimated beam: bmin=0.8439 mas, bmaj=5.83 mas, bpa=25.65 degrees ! Estimated noise=1281.28 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=1.163 mas, bmaj=6.239 mas, bpa=25.39 degrees ! Estimated noise=916.981 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 = 0.0484102 Jy ! Component: 100 - total flux cleaned = 0.0639823 Jy ! Component: 150 - total flux cleaned = 0.0697435 Jy ! Component: 200 - total flux cleaned = 0.0723397 Jy ! Total flux subtracted in 200 components = 0.0723397 Jy ! Clean residual min=-0.014268 max=0.014362 Jy/beam ! Clean residual mean=0.000526 rms=0.009178 Jy/beam ! Combined flux in latest and established models = 0.150311 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 154 model components to the UV plane model. ! The established model now contains 195 components and 0.150311 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.239682Jy sigma=0.001610 ! Fit after self-cal, rms=0.239609Jy sigma=0.001609 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.163 x 6.239 at 25.39 degrees (North through East) ! Clean map min=-0.02117 max=0.061174 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=0.239609Jy sigma=0.001609 ! Fit after self-cal, rms=0.239609Jy sigma=0.001609 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=0.239609Jy sigma=0.001609 ! Fit after self-cal, rms=0.239609Jy sigma=0.001609 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.163 mas, bmaj=6.239 mas, bpa=25.39 degrees ! Estimated noise=916.981 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 = -0.00240551 Jy ! Component: 100 - total flux cleaned = 0.00132205 Jy ! Component: 150 - total flux cleaned = 0.00377154 Jy ! Component: 200 - total flux cleaned = 0.00595448 Jy ! Total flux subtracted in 200 components = 0.00595448 Jy ! Clean residual min=-0.008329 max=0.008395 Jy/beam ! Clean residual mean=0.000346 rms=0.005569 Jy/beam ! Combined flux in latest and established models = 0.156266 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 135 model components to the UV plane model. ! The established model now contains 317 components and 0.156266 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.236437Jy sigma=0.001578 ! Fit after self-cal, rms=0.236413Jy sigma=0.001578 ! 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=0.236413Jy sigma=0.001578 ! Fit after self-cal, rms=0.235573Jy sigma=0.001571 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 = 0.000738363 Jy ! Component: 100 - total flux cleaned = 0.000168147 Jy ! Component: 150 - total flux cleaned = 0.00227259 Jy ! Component: 200 - total flux cleaned = 0.00312623 Jy ! Total flux subtracted in 200 components = 0.00312623 Jy ! Clean residual min=-0.005473 max=0.005478 Jy/beam ! Clean residual mean=0.000242 rms=0.003526 Jy/beam ! Combined flux in latest and established models = 0.159392 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 103 model components to the UV plane model. ! The established model now contains 412 components and 0.159392 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.234061Jy sigma=0.001557 ! Fit after self-cal, rms=0.233897Jy sigma=0.001556 ! 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: 1.163 x 6.239 at 25.39 degrees (North through East) ! Clean map min=-0.016221 max=0.054306 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=2.977 mas, bmaj=6.976 mas, bpa=32.79 degrees ! Estimated noise=1039.39 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 = -0.00148714 Jy ! Component: 100 - total flux cleaned = 0.00134137 Jy ! Component: 150 - total flux cleaned = 0.00244712 Jy ! Component: 200 - total flux cleaned = 0.00274995 Jy ! Total flux subtracted in 200 components = 0.00274995 Jy ! Clean residual min=-0.004228 max=0.004223 Jy/beam ! Clean residual mean=0.000229 rms=0.002985 Jy/beam ! Combined flux in latest and established models = 0.162142 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 137 model components to the UV plane model. ! The established model now contains 536 components and 0.162142 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.233255Jy sigma=0.001549 ! Fit after self-cal, rms=0.233213Jy sigma=0.001549 ! 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=0.8439 mas, bmaj=5.83 mas, bpa=25.65 degrees ! Estimated noise=1281.28 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0520356 Jy ! Component: 100 - total flux cleaned = 0.0689127 Jy ! Component: 150 - total flux cleaned = 0.0815583 Jy ! Component: 200 - total flux cleaned = 0.0912513 Jy ! Total flux subtracted in 200 components = 0.0912513 Jy ! Clean residual min=-0.010261 max=0.010201 Jy/beam ! Clean residual mean=0.000202 rms=0.004390 Jy/beam ! Combined flux in latest and established models = 0.0912514 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 72 model components to the UV plane model. ! The established model now contains 72 components and 0.0912514 Jy ! Inverting map and beam ! Estimated beam: bmin=1.163 mas, bmaj=6.239 mas, bpa=25.39 degrees ! Estimated noise=916.981 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 = 0.0341321 Jy ! Component: 100 - total flux cleaned = 0.0416998 Jy ! Component: 150 - total flux cleaned = 0.0454577 Jy ! Component: 200 - total flux cleaned = 0.0487535 Jy ! Total flux subtracted in 200 components = 0.0487535 Jy ! Clean residual min=-0.012922 max=0.012896 Jy/beam ! Clean residual mean=0.000500 rms=0.008250 Jy/beam ! Combined flux in latest and established models = 0.140005 Jy ! Adding 134 model components to the UV plane model. ! The established model now contains 200 components and 0.140005 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=2.977 mas, bmaj=6.976 mas, bpa=32.79 degrees ! Estimated noise=1039.39 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 = -0.0031083 Jy ! Component: 100 - total flux cleaned = 1.11402e-05 Jy ! Component: 150 - total flux cleaned = 0.00368684 Jy ! Component: 200 - total flux cleaned = 0.00606656 Jy ! Total flux subtracted in 200 components = 0.00606656 Jy ! Clean residual min=-0.008799 max=0.008738 Jy/beam ! Clean residual mean=0.000410 rms=0.006069 Jy/beam ! Combined flux in latest and established models = 0.146071 Jy ! Adding 170 model components to the UV plane model. ! The established model now contains 365 components and 0.146071 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.163 mas, bmaj=6.239 mas, bpa=25.39 degrees ! Estimated noise=916.981 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00317191 Jy ! Component: 100 - total flux cleaned = -0.00147678 Jy ! Component: 150 - total flux cleaned = -0.000322729 Jy ! Component: 200 - total flux cleaned = 3.19745e-05 Jy ! Total flux subtracted in 200 components = 3.19745e-05 Jy ! Clean residual min=-0.004223 max=0.004265 Jy/beam ! Clean residual mean=0.000202 rms=0.002773 Jy/beam ! Combined flux in latest and established models = 0.146103 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 102 model components to the UV plane model. ! The established model now contains 463 components and 0.146103 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.233238Jy sigma=0.001550 ! Fit after self-cal, rms=0.233147Jy sigma=0.001549 wmodel J0943-0819_X_1997_05_07_yyk\_map.mod ! Writing 463 model components to file: J0943-0819_X_1997_05_07_yyk_map.mod wobs J0943-0819_X_1997_05_07_yyk\_uvs.fits ! Writing UV FITS file: J0943-0819_X_1997_05_07_yyk_uvs.fits wwins J0943-0819_X_1997_05_07_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0943-0819_X_1997_05_07_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.163 x 6.239 at 25.39 degrees (North through East) ! Clean map min=-0.017588 max=0.05207 Jy/beam ! Writing clean map to FITS file: J0943-0819_X_1997_05_07_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0520704 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00272612 device "J0943-0819_X_1997_05_07_yyk\_map.eps/VPS" ! Attempting to open device: 'J0943-0819_X_1997_05_07_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -15.7064 15.7064 31.4127 62.8254 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0081 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.052 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.163 x 6.239 at 25.39 degrees (North through East) ! Clean map min=-0.017588 max=0.05207 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0943-0819_X_1997_05_07_yyk\_map.gif/gif" ! Attempting to open device: 'J0943-0819_X_1997_05_07_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0943-0819_X_1997_05_07_yyk_uvs.log closed on Mon Jan 8 04:33:03 2007