! Started logfile: J2137-2042_X_2002_01_31_yyk_uvs.log on Wed Jun 27 11:04:42 2007 obs J2137-2042_X_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J2137-2042_X_2002_01_31_yyk_uva.fits ! AN table 1: 82 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.549322 visibilities/baseline/integration-bin. ! Found source: J2137-2042 ! ! 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 8108 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 J2137-2042_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)= 0.34103 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=0.6445 mas, bmaj=1.622 mas, bpa=3.158 degrees ! Estimated noise=1982.92 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 = 0.028004 Jy ! Component: 100 - total flux cleaned = 0.0345386 Jy ! Total flux subtracted in 100 components = 0.0345386 Jy ! Clean residual min=-0.012288 max=0.012387 Jy/beam ! Clean residual mean=-0.000037 rms=0.004280 Jy/beam ! Combined flux in latest and established models = 0.0345386 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 0.0345386 Jy ! ! Correcting IF 1. ! A total of 277 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 245 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 226 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 276 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.337739Jy sigma=0.002117 ! Fit after self-cal, rms=0.337382Jy sigma=0.002114 ! Inverting map and beam ! Estimated beam: bmin=0.6445 mas, bmaj=1.622 mas, bpa=3.155 degrees ! Estimated noise=1986.18 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=0.8871 mas, bmaj=2.112 mas, bpa=3.614 degrees ! Estimated noise=1138.9 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 = 0.0432845 Jy ! Component: 100 - total flux cleaned = 0.0629539 Jy ! Component: 150 - total flux cleaned = 0.072892 Jy ! Component: 200 - total flux cleaned = 0.0756433 Jy ! Total flux subtracted in 200 components = 0.0756433 Jy ! Clean residual min=-0.010299 max=0.010294 Jy/beam ! Clean residual mean=-0.000072 rms=0.004896 Jy/beam ! Combined flux in latest and established models = 0.110182 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 103 model components to the UV plane model. ! The established model now contains 137 components and 0.110182 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.331855Jy sigma=0.002048 ! Fit after self-cal, rms=0.331568Jy sigma=0.002046 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8871 x 2.112 at 3.614 degrees (North through East) ! Clean map min=-0.015298 max=0.028007 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. ! A total of 3 telescope corrections were flagged in sub-array 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. ! A total of 3 telescope corrections were flagged in sub-array 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 3. ! A total of 3 telescope corrections were flagged in sub-array 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 4. ! A total of 3 telescope corrections were flagged in sub-array 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* ! ! ! Fit before self-cal, rms=0.331568Jy sigma=0.002046 ! Fit after self-cal, rms=0.331750Jy sigma=0.002047 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=0.331750Jy sigma=0.002047 ! Fit after self-cal, rms=0.331751Jy sigma=0.002047 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8877 mas, bmaj=2.115 mas, bpa=3.492 degrees ! Estimated noise=1140.2 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 = 0.00713144 Jy ! Component: 100 - total flux cleaned = 0.00780837 Jy ! Component: 150 - total flux cleaned = 0.00954188 Jy ! Component: 200 - total flux cleaned = 0.0105725 Jy ! Total flux subtracted in 200 components = 0.0105725 Jy ! Clean residual min=-0.006177 max=0.006169 Jy/beam ! Clean residual mean=-0.000002 rms=0.002927 Jy/beam ! Combined flux in latest and established models = 0.120754 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 84 model components to the UV plane model. ! The established model now contains 210 components and 0.120754 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.330554Jy sigma=0.002033 ! Fit after self-cal, rms=0.330565Jy sigma=0.002032 ! 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=0.330565Jy sigma=0.002032 ! Fit after self-cal, rms=0.328208Jy sigma=0.002016 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 = 0.00734996 Jy ! Component: 100 - total flux cleaned = 0.00731979 Jy ! Component: 150 - total flux cleaned = 0.00475898 Jy ! Component: 200 - total flux cleaned = 0.00427931 Jy ! Total flux subtracted in 200 components = 0.00427931 Jy ! Clean residual min=-0.005397 max=0.005371 Jy/beam ! Clean residual mean=0.000013 rms=0.002194 Jy/beam ! Combined flux in latest and established models = 0.125034 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 280 components and 0.125034 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.326988Jy sigma=0.002005 ! Fit after self-cal, rms=0.326362Jy sigma=0.002000 ! 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: 0.8877 x 2.115 at 3.492 degrees (North through East) ! Clean map min=-0.012189 max=0.029166 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=3.014 mas, bmaj=6.11 mas, bpa=17.63 degrees ! Estimated noise=1443.59 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 = -0.00139119 Jy ! Component: 100 - total flux cleaned = -0.00337653 Jy ! Component: 150 - total flux cleaned = -0.00766871 Jy ! Component: 200 - total flux cleaned = -0.0108359 Jy ! Total flux subtracted in 200 components = -0.0108359 Jy ! Clean residual min=-0.004781 max=0.004708 Jy/beam ! Clean residual mean=0.000094 rms=0.002322 Jy/beam ! Combined flux in latest and established models = 0.114198 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 86 model components to the UV plane model. ! The established model now contains 361 components and 0.114198 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.325905Jy sigma=0.001996 ! Fit after self-cal, rms=0.325751Jy sigma=0.001995 ! 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=0.6445 mas, bmaj=1.622 mas, bpa=3.155 degrees ! Estimated noise=1996.52 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0421171 Jy ! Component: 100 - total flux cleaned = 0.0524582 Jy ! Component: 150 - total flux cleaned = 0.0574117 Jy ! Component: 200 - total flux cleaned = 0.0594789 Jy ! Total flux subtracted in 200 components = 0.0594789 Jy ! Clean residual min=-0.012076 max=0.012001 Jy/beam ! Clean residual mean=-0.000052 rms=0.004179 Jy/beam ! Combined flux in latest and established models = 0.059479 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 67 model components to the UV plane model. ! The established model now contains 67 components and 0.059479 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8877 mas, bmaj=2.115 mas, bpa=3.492 degrees ! Estimated noise=1140.2 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 = 0.0211204 Jy ! Component: 100 - total flux cleaned = 0.0284334 Jy ! Component: 150 - total flux cleaned = 0.0341748 Jy ! Component: 200 - total flux cleaned = 0.0381473 Jy ! Total flux subtracted in 200 components = 0.0381473 Jy ! Clean residual min=-0.009074 max=0.009096 Jy/beam ! Clean residual mean=-0.000036 rms=0.003976 Jy/beam ! Combined flux in latest and established models = 0.0976263 Jy ! Adding 89 model components to the UV plane model. ! The established model now contains 150 components and 0.0976263 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=3.014 mas, bmaj=6.11 mas, bpa=17.63 degrees ! Estimated noise=1443.59 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 = 0.00603098 Jy ! Component: 100 - total flux cleaned = 0.00832731 Jy ! Component: 150 - total flux cleaned = 0.0109454 Jy ! Component: 200 - total flux cleaned = 0.0132014 Jy ! Total flux subtracted in 200 components = 0.0132014 Jy ! Clean residual min=-0.006347 max=0.006291 Jy/beam ! Clean residual mean=0.000056 rms=0.003238 Jy/beam ! Combined flux in latest and established models = 0.110828 Jy ! Adding 91 model components to the UV plane model. ! The established model now contains 239 components and 0.110828 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8877 mas, bmaj=2.115 mas, bpa=3.492 degrees ! Estimated noise=1140.2 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00414576 Jy ! Component: 100 - total flux cleaned = -0.00655506 Jy ! Component: 150 - total flux cleaned = -0.00876389 Jy ! Component: 200 - total flux cleaned = -0.00879731 Jy ! Total flux subtracted in 200 components = -0.00879731 Jy ! Clean residual min=-0.004045 max=0.004030 Jy/beam ! Clean residual mean=0.000048 rms=0.001592 Jy/beam ! Combined flux in latest and established models = 0.10203 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 64 model components to the UV plane model. ! The established model now contains 297 components and 0.10203 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.325500Jy sigma=0.001993 ! Fit after self-cal, rms=0.325347Jy sigma=0.001992 wmodel J2137-2042_X_2002_01_31_yyk\_map.mod ! Writing 297 model components to file: J2137-2042_X_2002_01_31_yyk_map.mod wobs J2137-2042_X_2002_01_31_yyk\_uvs.fits ! Applying 82 buffered edits. ! Writing UV FITS file: J2137-2042_X_2002_01_31_yyk_uvs.fits wwins J2137-2042_X_2002_01_31_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J2137-2042_X_2002_01_31_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8877 x 2.115 at 3.492 degrees (North through East) ! Clean map min=-0.013702 max=0.0283 Jy/beam ! Writing clean map to FITS file: J2137-2042_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 0.0282999 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00165418 device "J2137-2042_X_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J2137-2042_X_2002_01_31_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -17.5355 17.5355 35.0711 70.1421 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0049 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.028 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8877 x 2.115 at 3.492 degrees (North through East) ! Clean map min=-0.013702 max=0.0283 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2137-2042_X_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J2137-2042_X_2002_01_31_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J2137-2042_X_2002_01_31_yyk_uvs.log closed on Wed Jun 27 11:04:47 2007