! Started logfile: J0637-3536_X_2002_05_14_yyk_uvs.log on Tue Jun 26 22:23:08 2007 obs J0637-3536_X_2002_05_14_yyk_uva.fits ! Reading UV FITS file: J0637-3536_X_2002_05_14_yyk_uva.fits ! AN table 1: 42 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.545503 visibilities/baseline/integration-bin. ! Found source: J0637-3536 ! ! 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 1076 lines of history. ! ! Reading 4124 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 J0637-3536_X_2002_05_14_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)= 0.59252 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=0.8222 mas, bmaj=5.583 mas, bpa=24.64 degrees ! Estimated noise=3151.28 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 = 0.0256212 Jy ! Component: 100 - total flux cleaned = 0.0234595 Jy ! Total flux subtracted in 100 components = 0.0234595 Jy ! Clean residual min=-0.011430 max=0.011487 Jy/beam ! Clean residual mean=0.000032 rms=0.004156 Jy/beam ! Combined flux in latest and established models = 0.0234595 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 37 model components to the UV plane model. ! The established model now contains 37 components and 0.0234595 Jy ! ! Correcting IF 1. ! A total of 113 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 113 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 188 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 113 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.590783Jy sigma=0.002234 ! Fit after self-cal, rms=0.589268Jy sigma=0.002228 ! Inverting map and beam ! Estimated beam: bmin=0.8221 mas, bmaj=5.582 mas, bpa=24.64 degrees ! Estimated noise=3152.87 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=1.102 mas, bmaj=6.587 mas, bpa=23.35 degrees ! Estimated noise=1868.12 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 = 0.00416861 Jy ! Component: 100 - total flux cleaned = 0.0066048 Jy ! Component: 150 - total flux cleaned = 0.00670818 Jy ! Component: 200 - total flux cleaned = 0.00588634 Jy ! Total flux subtracted in 200 components = 0.00588634 Jy ! Clean residual min=-0.004770 max=0.004818 Jy/beam ! Clean residual mean=0.000009 rms=0.001939 Jy/beam ! Combined flux in latest and established models = 0.0293458 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 56 model components to the UV plane model. ! The established model now contains 92 components and 0.0293458 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.588138Jy sigma=0.002221 ! Fit after self-cal, rms=0.588077Jy sigma=0.002221 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.102 x 6.587 at 23.35 degrees (North through East) ! Clean map min=-0.010381 max=0.018144 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 1.00* ! ! ! Fit before self-cal, rms=0.588077Jy sigma=0.002221 ! Fit after self-cal, rms=0.588077Jy sigma=0.002221 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=0.588077Jy sigma=0.002221 ! Fit after self-cal, rms=0.588073Jy sigma=0.002221 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.102 mas, bmaj=6.587 mas, bpa=23.35 degrees ! Estimated noise=1868.12 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 = 0.00329087 Jy ! Component: 100 - total flux cleaned = 0.00565531 Jy ! Component: 150 - total flux cleaned = 0.00659192 Jy ! Component: 200 - total flux cleaned = 0.00688814 Jy ! Total flux subtracted in 200 components = 0.00688814 Jy ! Clean residual min=-0.003461 max=0.003457 Jy/beam ! Clean residual mean=0.000003 rms=0.001463 Jy/beam ! Combined flux in latest and established models = 0.036234 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 69 model components to the UV plane model. ! The established model now contains 154 components and 0.036234 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.587576Jy sigma=0.002218 ! Fit after self-cal, rms=0.587619Jy sigma=0.002218 ! 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=0.587619Jy sigma=0.002218 ! Fit after self-cal, rms=0.586502Jy sigma=0.002210 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 = -0.00430825 Jy ! Component: 100 - total flux cleaned = -0.00635163 Jy ! Component: 150 - total flux cleaned = -0.0094456 Jy ! Component: 200 - total flux cleaned = -0.0106915 Jy ! Total flux subtracted in 200 components = -0.0106915 Jy ! Clean residual min=-0.005002 max=0.004957 Jy/beam ! Clean residual mean=-0.000056 rms=0.002018 Jy/beam ! Combined flux in latest and established models = 0.0255425 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 66 model components to the UV plane model. ! The established model now contains 216 components and 0.0255425 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.585267Jy sigma=0.002205 ! Fit after self-cal, rms=0.584490Jy sigma=0.002201 ! 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: 1.102 x 6.587 at 23.35 degrees (North through East) ! Clean map min=-0.015308 max=0.02012 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=2.619 mas, bmaj=10.04 mas, bpa=10.74 degrees ! Estimated noise=2160.69 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 = -0.00183095 Jy ! Component: 100 - total flux cleaned = -0.000553111 Jy ! Component: 150 - total flux cleaned = -0.000498148 Jy ! Component: 200 - total flux cleaned = -0.000138829 Jy ! Total flux subtracted in 200 components = -0.000138829 Jy ! Clean residual min=-0.004372 max=0.004329 Jy/beam ! Clean residual mean=-0.000032 rms=0.001754 Jy/beam ! Combined flux in latest and established models = 0.0254037 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 43 model components to the UV plane model. ! The established model now contains 256 components and 0.0254037 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.583036Jy sigma=0.002196 ! Fit after self-cal, rms=0.582432Jy sigma=0.002194 ! 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=0.8221 mas, bmaj=5.582 mas, bpa=24.64 degrees ! Estimated noise=3152.87 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0170188 Jy ! Component: 100 - total flux cleaned = 0.0230863 Jy ! Component: 150 - total flux cleaned = 0.0244149 Jy ! Component: 200 - total flux cleaned = 0.0264908 Jy ! Total flux subtracted in 200 components = 0.0264908 Jy ! Clean residual min=-0.012291 max=0.012361 Jy/beam ! Clean residual mean=-0.000038 rms=0.004629 Jy/beam ! Combined flux in latest and established models = 0.0264908 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 57 model components to the UV plane model. ! The established model now contains 57 components and 0.0264908 Jy ! Inverting map and beam ! Estimated beam: bmin=1.102 mas, bmaj=6.587 mas, bpa=23.35 degrees ! Estimated noise=1868.12 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 = 0.00748971 Jy ! Component: 100 - total flux cleaned = 0.0105105 Jy ! Component: 150 - total flux cleaned = 0.014179 Jy ! Component: 200 - total flux cleaned = 0.0175806 Jy ! Total flux subtracted in 200 components = 0.0175806 Jy ! Clean residual min=-0.006907 max=0.006928 Jy/beam ! Clean residual mean=-0.000021 rms=0.002668 Jy/beam ! Combined flux in latest and established models = 0.0440714 Jy ! Adding 58 model components to the UV plane model. ! The established model now contains 112 components and 0.0440714 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=2.619 mas, bmaj=10.04 mas, bpa=10.74 degrees ! Estimated noise=2160.69 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 = 0.00695475 Jy ! Component: 100 - total flux cleaned = 0.00996585 Jy ! Component: 150 - total flux cleaned = 0.0121585 Jy ! Component: 200 - total flux cleaned = 0.0143285 Jy ! Total flux subtracted in 200 components = 0.0143285 Jy ! Clean residual min=-0.004724 max=0.004680 Jy/beam ! Clean residual mean=0.000034 rms=0.001670 Jy/beam ! Combined flux in latest and established models = 0.0583999 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 144 components and 0.0583999 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.102 mas, bmaj=6.587 mas, bpa=23.35 degrees ! Estimated noise=1868.12 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00367708 Jy ! Component: 100 - total flux cleaned = 0.00511821 Jy ! Component: 150 - total flux cleaned = 0.00599687 Jy ! Component: 200 - total flux cleaned = 0.00555285 Jy ! Total flux subtracted in 200 components = 0.00555285 Jy ! Clean residual min=-0.005463 max=0.005643 Jy/beam ! Clean residual mean=-0.000003 rms=0.001927 Jy/beam ! Combined flux in latest and established models = 0.0639527 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 35 model components to the UV plane model. ! The established model now contains 170 components and 0.0639527 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.578988Jy sigma=0.002184 ! Fit after self-cal, rms=0.578079Jy sigma=0.002182 wmodel J0637-3536_X_2002_05_14_yyk\_map.mod ! Writing 170 model components to file: J0637-3536_X_2002_05_14_yyk_map.mod wobs J0637-3536_X_2002_05_14_yyk\_uvs.fits ! Writing UV FITS file: J0637-3536_X_2002_05_14_yyk_uvs.fits wwins J0637-3536_X_2002_05_14_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0637-3536_X_2002_05_14_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.102 x 6.587 at 23.35 degrees (North through East) ! Clean map min=-0.017825 max=0.019951 Jy/beam ! Writing clean map to FITS file: J0637-3536_X_2002_05_14_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0199506 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00240596 device "J0637-3536_X_2002_05_14_yyk\_map.eps/VPS" ! Attempting to open device: 'J0637-3536_X_2002_05_14_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -36.1787 36.1787 72.3574 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0072 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.019 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.102 x 6.587 at 23.35 degrees (North through East) ! Clean map min=-0.017825 max=0.019951 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0637-3536_X_2002_05_14_yyk\_map.gif/gif" ! Attempting to open device: 'J0637-3536_X_2002_05_14_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0637-3536_X_2002_05_14_yyk_uvs.log closed on Tue Jun 26 22:23:12 2007