! Started logfile: J0824-1527_S_2006_12_18_yyk_uvs.log on Mon Jun 16 20:14:51 2008 obs J0824-1527_S_2006_12_18_yyk_uve.fits ! Reading UV FITS file: J0824-1527_S_2006_12_18_yyk_uve.fits ! AN table 1: 16 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.636111 visibilities/baseline/integration-bin. ! Found source: J0824-1527 ! ! 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2474 lines of history. ! ! Reading 1832 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 J0824-1527_S_2006_12_18_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 = 256x256 pixels with 1.00x1.00 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.125431 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=7.661 mas, bmaj=17.19 mas, bpa=1.542 degrees ! Estimated noise=2.22372 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) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0789381 Jy ! Component: 100 - total flux cleaned = 0.102883 Jy ! Total flux subtracted in 100 components = 0.102883 Jy ! Clean residual min=-0.008016 max=0.010617 Jy/beam ! Clean residual mean=0.000250 rms=0.002946 Jy/beam ! Combined flux in latest and established models = 0.102883 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 18 components and 0.102883 Jy ! ! Correcting IF 1. ! A total of 65 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 60 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 57 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=0.085072Jy sigma=1.042157 ! Fit after self-cal, rms=0.084171Jy sigma=1.028880 ! Inverting map and beam ! Estimated beam: bmin=7.661 mas, bmaj=17.19 mas, bpa=1.542 degrees ! Estimated noise=2.22372 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=10.34 mas, bmaj=19.48 mas, bpa=5.726 degrees ! Estimated noise=1.42181 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 = 0.0123921 Jy ! Component: 100 - total flux cleaned = 0.0155843 Jy ! Component: 150 - total flux cleaned = 0.0163309 Jy ! Component: 200 - total flux cleaned = 0.0168005 Jy ! Total flux subtracted in 200 components = 0.0168005 Jy ! Clean residual min=-0.003855 max=0.005336 Jy/beam ! Clean residual mean=0.000104 rms=0.001491 Jy/beam ! Combined flux in latest and established models = 0.119684 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 28 model components to the UV plane model. ! The established model now contains 43 components and 0.119684 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.083795Jy sigma=1.001868 ! Fit after self-cal, rms=0.083789Jy sigma=1.001274 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 10.34 x 19.48 at 5.726 degrees (North through East) ! Clean map min=-0.0038833 max=0.09456 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: 1.02052 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.91 HN 1.00* KP 0.95 ! LA 1.05 MK 1.00* NL 1.00* OV 1.05 ! PT 0.84 SC 1.00* ! ! ! Fit before self-cal, rms=0.083789Jy sigma=1.001274 ! Fit after self-cal, rms=0.083211Jy sigma=0.996572 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=0.083211Jy sigma=0.996572 ! Fit after self-cal, rms=0.083198Jy sigma=0.996350 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=10.41 mas, bmaj=19.61 mas, bpa=5.737 degrees ! Estimated noise=1.41125 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 = -0.000805303 Jy ! Component: 100 - total flux cleaned = -0.000744513 Jy ! Component: 150 - total flux cleaned = -0.0006315 Jy ! Component: 200 - total flux cleaned = -0.000530861 Jy ! Total flux subtracted in 200 components = -0.000530861 Jy ! Clean residual min=-0.003200 max=0.004685 Jy/beam ! Clean residual mean=0.000106 rms=0.001290 Jy/beam ! Combined flux in latest and established models = 0.119153 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 51 components and 0.119153 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.083182Jy sigma=0.994928 ! Fit after self-cal, rms=0.083187Jy sigma=0.994626 ! 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=0.083187Jy sigma=0.994626 ! Fit after self-cal, rms=0.076452Jy sigma=0.905011 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 = 0.00262323 Jy ! Component: 100 - total flux cleaned = 0.00270049 Jy ! Component: 150 - total flux cleaned = 0.00276375 Jy ! Component: 200 - total flux cleaned = 0.00287598 Jy ! Total flux subtracted in 200 components = 0.00287598 Jy ! Clean residual min=-0.002813 max=0.004442 Jy/beam ! Clean residual mean=0.000086 rms=0.001243 Jy/beam ! Combined flux in latest and established models = 0.122029 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 60 components and 0.122029 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076466Jy sigma=0.901324 ! Fit after self-cal, rms=0.075038Jy sigma=0.890029 ! 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: 10.41 x 19.61 at 5.737 degrees (North through East) ! Clean map min=-0.0031059 max=0.097741 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=11.78 mas, bmaj=20.74 mas, bpa=8.796 degrees ! Estimated noise=1.43233 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 = 0.00087127 Jy ! Component: 100 - total flux cleaned = 0.00111086 Jy ! Component: 150 - total flux cleaned = 0.00127946 Jy ! Component: 200 - total flux cleaned = 0.00139816 Jy ! Total flux subtracted in 200 components = 0.00139816 Jy ! Clean residual min=-0.003158 max=0.003475 Jy/beam ! Clean residual mean=0.000089 rms=0.001143 Jy/beam ! Combined flux in latest and established models = 0.123427 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 66 components and 0.123427 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.075080Jy sigma=0.889156 ! Fit after self-cal, rms=0.074388Jy sigma=0.886178 ! 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=7.675 mas, bmaj=17.22 mas, bpa=1.548 degrees ! Estimated noise=2.21563 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0838284 Jy ! Component: 100 - total flux cleaned = 0.107701 Jy ! Component: 150 - total flux cleaned = 0.113434 Jy ! Component: 200 - total flux cleaned = 0.115876 Jy ! Total flux subtracted in 200 components = 0.115876 Jy ! Clean residual min=-0.006460 max=0.006298 Jy/beam ! Clean residual mean=0.000126 rms=0.002183 Jy/beam ! Combined flux in latest and established models = 0.115876 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 29 model components to the UV plane model. ! The established model now contains 29 components and 0.115876 Jy ! Inverting map and beam ! Estimated beam: bmin=10.41 mas, bmaj=19.61 mas, bpa=5.737 degrees ! Estimated noise=1.41125 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 = 0.00534884 Jy ! Component: 100 - total flux cleaned = 0.00714352 Jy ! Component: 150 - total flux cleaned = 0.00746731 Jy ! Component: 200 - total flux cleaned = 0.00764705 Jy ! Total flux subtracted in 200 components = 0.00764705 Jy ! Clean residual min=-0.003091 max=0.003449 Jy/beam ! Clean residual mean=0.000072 rms=0.001132 Jy/beam ! Combined flux in latest and established models = 0.123523 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 49 components and 0.123523 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=11.78 mas, bmaj=20.74 mas, bpa=8.796 degrees ! Estimated noise=1.43233 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 = 0.000894276 Jy ! Component: 100 - total flux cleaned = 0.00103781 Jy ! Component: 150 - total flux cleaned = 0.00113225 Jy ! Component: 200 - total flux cleaned = 0.00119219 Jy ! Total flux subtracted in 200 components = 0.00119219 Jy ! Clean residual min=-0.003114 max=0.003295 Jy/beam ! Clean residual mean=0.000075 rms=0.001078 Jy/beam ! Combined flux in latest and established models = 0.124716 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 58 components and 0.124716 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=10.41 mas, bmaj=19.61 mas, bpa=5.737 degrees ! Estimated noise=1.41125 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000385449 Jy ! Component: 100 - total flux cleaned = -0.000383554 Jy ! Component: 150 - total flux cleaned = -0.000412351 Jy ! Component: 200 - total flux cleaned = -0.000440641 Jy ! Total flux subtracted in 200 components = -0.000440641 Jy ! Clean residual min=-0.003098 max=0.003426 Jy/beam ! Clean residual mean=0.000062 rms=0.001079 Jy/beam ! Combined flux in latest and established models = 0.124275 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 66 components and 0.124275 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074353Jy sigma=0.883162 ! Fit after self-cal, rms=0.074009Jy sigma=0.880731 wmodel J0824-1527_S_2006_12_18_yyk\_map.mod ! Writing 66 model components to file: J0824-1527_S_2006_12_18_yyk_map.mod wobs J0824-1527_S_2006_12_18_yyk\_uvs.fits ! Writing UV FITS file: J0824-1527_S_2006_12_18_yyk_uvs.fits wwins J0824-1527_S_2006_12_18_yyk\_map.win ! wwins: Wrote 1 windows to J0824-1527_S_2006_12_18_yyk_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000944065 Jy ! Component: 100 - total flux cleaned = 0.00175628 Jy ! Component: 150 - total flux cleaned = 0.00244378 Jy ! Component: 200 - total flux cleaned = 0.00275696 Jy ! Component: 250 - total flux cleaned = 0.00309085 Jy ! Component: 300 - total flux cleaned = 0.0031303 Jy ! Component: 350 - total flux cleaned = 0.0033223 Jy ! Component: 400 - total flux cleaned = 0.00354032 Jy ! Component: 450 - total flux cleaned = 0.00371321 Jy ! Component: 500 - total flux cleaned = 0.00391215 Jy ! Component: 550 - total flux cleaned = 0.00410335 Jy ! Component: 600 - total flux cleaned = 0.0042869 Jy ! Component: 650 - total flux cleaned = 0.00449213 Jy ! Component: 700 - total flux cleaned = 0.00474669 Jy ! Component: 750 - total flux cleaned = 0.00496675 Jy ! Component: 800 - total flux cleaned = 0.00520708 Jy ! Component: 850 - total flux cleaned = 0.00543995 Jy ! Component: 900 - total flux cleaned = 0.00569195 Jy ! Component: 950 - total flux cleaned = 0.00588869 Jy ! Component: 1000 - total flux cleaned = 0.00615145 Jy ! Total flux subtracted in 1024 components = 0.00622155 Jy ! Clean residual min=-0.001162 max=0.001181 Jy/beam ! Clean residual mean=0.000058 rms=0.000578 Jy/beam ! Combined flux in latest and established models = 0.130497 Jy keep ! Adding 68 model components to the UV plane model. ! The established model now contains 134 components and 0.130497 Jy ![Exited script file: muppet] wmap "J0824-1527_S_2006_12_18_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 10.41 x 19.61 at 5.737 degrees (North through East) ! Clean map min=-0.0024408 max=0.097464 Jy/beam ! Writing clean map to FITS file: J0824-1527_S_2006_12_18_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0974637 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000583922 device "J0824-1527_S_2006_12_18_yyk\_map.eps/VPS" ! Attempting to open device: 'J0824-1527_S_2006_12_18_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -1.79735 1.79735 3.5947 7.1894 14.3788 28.7576 57.5152 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0017 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.097 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 10.41 x 19.61 at 5.737 degrees (North through East) ! Clean map min=-0.0024408 max=0.097464 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0824-1527_S_2006_12_18_yyk\_map.gif/gif" ! Attempting to open device: 'J0824-1527_S_2006_12_18_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0824-1527_S_2006_12_18_yyk_uvs.log closed on Mon Jun 16 20:14:52 2008