! Started logfile: J2159-0105_X_2005_07_09_yyk_uvs.log on Fri Jan 20 11:27:15 2006 obs J2159-0105_X_2005_07_09_yyk_uve.fits ! Reading UV FITS file: J2159-0105_X_2005_07_09_yyk_uve.fits ! AN table 1: 11 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.806061 visibilities/baseline/integration-bin. ! Found source: J2159-0105 ! ! 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1480 lines of history. ! ! Reading 1596 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 J2159-0105_X_2005_07_09_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 0.400x0.400 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.110311 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=2.191 mas, bmaj=3.623 mas, bpa=1.58 degrees ! Estimated noise=1.44199 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 = 0.0791317 Jy ! Component: 100 - total flux cleaned = 0.0956141 Jy ! Total flux subtracted in 100 components = 0.0956141 Jy ! Clean residual min=-0.006117 max=0.006890 Jy/beam ! Clean residual mean=0.000013 rms=0.001863 Jy/beam ! Combined flux in latest and established models = 0.0956141 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0956141 Jy ! ! Correcting IF 1. ! A total of 39 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 39 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 39 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 39 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.055837Jy sigma=1.064779 ! Fit after self-cal, rms=0.055418Jy sigma=1.055486 ! Inverting map and beam ! Estimated beam: bmin=2.191 mas, bmaj=3.623 mas, bpa=1.58 degrees ! Estimated noise=1.44199 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=2.559 mas, bmaj=4.129 mas, bpa=-2.506 degrees ! Estimated noise=1.15197 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 = 0.00880275 Jy ! Component: 100 - total flux cleaned = 0.0122778 Jy ! Component: 150 - total flux cleaned = 0.014385 Jy ! Component: 200 - total flux cleaned = 0.0157506 Jy ! Total flux subtracted in 200 components = 0.0157506 Jy ! Clean residual min=-0.004324 max=0.004335 Jy/beam ! Clean residual mean=0.000017 rms=0.001226 Jy/beam ! Combined flux in latest and established models = 0.111365 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 23 components and 0.111365 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.054682Jy sigma=1.031489 ! Fit after self-cal, rms=0.054669Jy sigma=1.031143 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.559 x 4.129 at -2.506 degrees (North through East) ! Clean map min=-0.0044207 max=0.09516 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: 1.01128 ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 HN 1.00* KP 0.97 ! LA 0.92 MK 1.00* NL 1.10 OV 0.98 ! PT 0.97 SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.0094 ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.95 HN 1.00* KP 0.91 ! LA 1.01 MK 1.00* NL 0.99 OV 1.08 ! PT 1.01 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: 0.993994 ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 1.06 HN 1.00* KP 1.02 ! LA 0.97 MK 1.00* NL 1.01 OV 0.98 ! PT 1.13 SC 1.00* ! ! ! Fit before self-cal, rms=0.054669Jy sigma=1.031143 ! Fit after self-cal, rms=0.054507Jy sigma=1.020451 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=0.054507Jy sigma=1.020451 ! Fit after self-cal, rms=0.054495Jy sigma=1.020305 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.594 mas, bmaj=4.07 mas, bpa=-0.9624 degrees ! Estimated noise=1.15251 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 = 0.000819858 Jy ! Component: 100 - total flux cleaned = 0.000995172 Jy ! Component: 150 - total flux cleaned = 0.00106914 Jy ! Component: 200 - total flux cleaned = 0.00116671 Jy ! Total flux subtracted in 200 components = 0.00116671 Jy ! Clean residual min=-0.003751 max=0.003604 Jy/beam ! Clean residual mean=0.000014 rms=0.001049 Jy/beam ! Combined flux in latest and established models = 0.112531 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 37 components and 0.112531 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.054443Jy sigma=1.019120 ! Fit after self-cal, rms=0.054439Jy sigma=1.018940 ! 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=0.054439Jy sigma=1.018940 ! Fit after self-cal, rms=0.050339Jy sigma=0.944586 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 = 0.00119796 Jy ! Component: 100 - total flux cleaned = 0.00119641 Jy ! Component: 150 - total flux cleaned = 0.00119578 Jy ! Component: 200 - total flux cleaned = 0.00119687 Jy ! Total flux subtracted in 200 components = 0.00119687 Jy ! Clean residual min=-0.003963 max=0.003621 Jy/beam ! Clean residual mean=0.000016 rms=0.001026 Jy/beam ! Combined flux in latest and established models = 0.113728 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 42 components and 0.113728 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.050309Jy sigma=0.943192 ! Fit after self-cal, rms=0.049937Jy sigma=0.936937 ! 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: 2.594 x 4.07 at -0.9624 degrees (North through East) ! Clean map min=-0.0039117 max=0.097044 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=2.992 mas, bmaj=4.358 mas, bpa=1.165 degrees ! Estimated noise=1.18017 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 = 0.000948875 Jy ! Component: 100 - total flux cleaned = 0.000976942 Jy ! Component: 150 - total flux cleaned = 0.00104498 Jy ! Component: 200 - total flux cleaned = 0.00110942 Jy ! Total flux subtracted in 200 components = 0.00110942 Jy ! Clean residual min=-0.003604 max=0.003251 Jy/beam ! Clean residual mean=0.000020 rms=0.000957 Jy/beam ! Combined flux in latest and established models = 0.114838 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 47 components and 0.114838 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.049939Jy sigma=0.936614 ! Fit after self-cal, rms=0.049951Jy sigma=0.935699 ! 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=2.203 mas, bmaj=3.597 mas, bpa=2.693 degrees ! Estimated noise=1.44177 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0811126 Jy ! Component: 100 - total flux cleaned = 0.0976454 Jy ! Component: 150 - total flux cleaned = 0.1043 Jy ! Component: 200 - total flux cleaned = 0.107712 Jy ! Total flux subtracted in 200 components = 0.107712 Jy ! Clean residual min=-0.004799 max=0.003891 Jy/beam ! Clean residual mean=0.000005 rms=0.001304 Jy/beam ! Combined flux in latest and established models = 0.107712 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 15 model components to the UV plane model. ! The established model now contains 15 components and 0.107712 Jy ! Inverting map and beam ! Estimated beam: bmin=2.594 mas, bmaj=4.07 mas, bpa=-0.9624 degrees ! Estimated noise=1.15251 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 = 0.00329738 Jy ! Component: 100 - total flux cleaned = 0.00486221 Jy ! Component: 150 - total flux cleaned = 0.00532896 Jy ! Component: 200 - total flux cleaned = 0.0054358 Jy ! Total flux subtracted in 200 components = 0.0054358 Jy ! Clean residual min=-0.003961 max=0.003719 Jy/beam ! Clean residual mean=0.000018 rms=0.001030 Jy/beam ! Combined flux in latest and established models = 0.113148 Jy ! Adding 13 model components to the UV plane model. ! The established model now contains 23 components and 0.113148 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=2.992 mas, bmaj=4.358 mas, bpa=1.165 degrees ! Estimated noise=1.18017 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 = 0.000985032 Jy ! Component: 100 - total flux cleaned = 0.00114185 Jy ! Component: 150 - total flux cleaned = 0.00131312 Jy ! Component: 200 - total flux cleaned = 0.0014182 Jy ! Total flux subtracted in 200 components = 0.0014182 Jy ! Clean residual min=-0.003604 max=0.003220 Jy/beam ! Clean residual mean=0.000020 rms=0.000965 Jy/beam ! Combined flux in latest and established models = 0.114566 Jy ! Adding 11 model components to the UV plane model. ! The established model now contains 28 components and 0.114566 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.594 mas, bmaj=4.07 mas, bpa=-0.9624 degrees ! Estimated noise=1.15251 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000356914 Jy ! Component: 100 - total flux cleaned = -0.000420108 Jy ! Component: 150 - total flux cleaned = -0.000476561 Jy ! Component: 200 - total flux cleaned = -0.000476589 Jy ! Total flux subtracted in 200 components = -0.000476589 Jy ! Clean residual min=-0.003913 max=0.003519 Jy/beam ! Clean residual mean=0.000017 rms=0.000996 Jy/beam ! Combined flux in latest and established models = 0.114089 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 35 components and 0.114089 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.049938Jy sigma=0.935325 ! Fit after self-cal, rms=0.049966Jy sigma=0.935147 wmodel J2159-0105_X_2005_07_09_yyk\_map.mod ! Writing 35 model components to file: J2159-0105_X_2005_07_09_yyk_map.mod wobs J2159-0105_X_2005_07_09_yyk\_uvs.fits ! Writing UV FITS file: J2159-0105_X_2005_07_09_yyk_uvs.fits wwins J2159-0105_X_2005_07_09_yyk\_map.win ! wwins: Wrote 1 windows to J2159-0105_X_2005_07_09_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 = -3.98888e-05 Jy ! Component: 100 - total flux cleaned = 0.000563732 Jy ! Component: 150 - total flux cleaned = 0.00117341 Jy ! Component: 200 - total flux cleaned = 0.00160289 Jy ! Component: 250 - total flux cleaned = 0.00169271 Jy ! Component: 300 - total flux cleaned = 0.00156523 Jy ! Component: 350 - total flux cleaned = 0.0015259 Jy ! Component: 400 - total flux cleaned = 0.00144781 Jy ! Component: 450 - total flux cleaned = 0.00133523 Jy ! Component: 500 - total flux cleaned = 0.00122726 Jy ! Component: 550 - total flux cleaned = 0.0011252 Jy ! Component: 600 - total flux cleaned = 0.00109293 Jy ! Component: 650 - total flux cleaned = 0.000936125 Jy ! Component: 700 - total flux cleaned = 0.00087588 Jy ! Component: 750 - total flux cleaned = 0.000788027 Jy ! Component: 800 - total flux cleaned = 0.000731044 Jy ! Component: 850 - total flux cleaned = 0.000621093 Jy ! Component: 900 - total flux cleaned = 0.000567935 Jy ! Component: 950 - total flux cleaned = 0.000465066 Jy ! Component: 1000 - total flux cleaned = 0.000364686 Jy ! Total flux subtracted in 1024 components = 0.000364534 Jy ! Clean residual min=-0.001491 max=0.001260 Jy/beam ! Clean residual mean=0.000012 rms=0.000497 Jy/beam ! Combined flux in latest and established models = 0.114454 Jy keep ! Adding 44 model components to the UV plane model. ! The established model now contains 79 components and 0.114454 Jy ![Exited script file: muppet] wmap "J2159-0105_X_2005_07_09_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.594 x 4.07 at -0.9624 degrees (North through East) ! Clean map min=-0.0026516 max=0.097674 Jy/beam ! Writing clean map to FITS file: J2159-0105_X_2005_07_09_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0976738 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000492669 device "J2159-0105_X_2005_07_09_yyk\_map.eps/VPS" ! Attempting to open device: 'J2159-0105_X_2005_07_09_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -1.51321 1.51321 3.02641 6.05282 12.1056 24.2113 48.4226 96.8452 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0014 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: 2.594 x 4.07 at -0.9624 degrees (North through East) ! Clean map min=-0.0026516 max=0.097674 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2159-0105_X_2005_07_09_yyk\_map.gif/gif" ! Attempting to open device: 'J2159-0105_X_2005_07_09_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J2159-0105_X_2005_07_09_yyk_uvs.log closed on Fri Jan 20 11:27:16 2006