! Started logfile: J1230-3121_X_2004_05_08_yyk_uvs.log on Wed Dec 7 01:09:06 2005 obs J1230-3121_X_2004_05_08_yyk_uve.fits ! Reading UV FITS file: J1230-3121_X_2004_05_08_yyk_uve.fits ! AN table 1: 11 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.608081 visibilities/baseline/integration-bin. ! Found source: J1230-3121 ! ! 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 1438 lines of history. ! ! Reading 1204 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 J1230-3121_X_2004_05_08_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)= 0.109163 Jy startmod ,phase_soltime ! Applying default point source starting model. ! Performing phase self-cal over 10 minute time intervals ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 37 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 35 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 44 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 44 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.917747Jy sigma=16.811596 ! Fit after self-cal, rms=0.917732Jy sigma=16.816709 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. 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=2.23 mas, bmaj=9.441 mas, bpa=0.119 degrees ! Estimated noise=2.52966 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 = 0.0762171 Jy ! Component: 100 - total flux cleaned = 0.0928049 Jy ! Total flux subtracted in 100 components = 0.0928049 Jy ! Clean residual min=-0.008592 max=0.008966 Jy/beam ! Clean residual mean=0.000194 rms=0.003148 Jy/beam ! Combined flux in latest and established models = 0.0928049 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.0928049 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067433Jy sigma=1.029438 ! Fit after self-cal, rms=0.067328Jy sigma=1.026738 ! Inverting map 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=2.563 mas, bmaj=11.72 mas, bpa=-0.4913 degrees ! Estimated noise=1.40301 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 = 0.00422537 Jy ! Component: 100 - total flux cleaned = 0.00610126 Jy ! Component: 150 - total flux cleaned = 0.00709839 Jy ! Component: 200 - total flux cleaned = 0.0073731 Jy ! Total flux subtracted in 200 components = 0.0073731 Jy ! Clean residual min=-0.003681 max=0.003881 Jy/beam ! Clean residual mean=0.000013 rms=0.001205 Jy/beam ! Combined flux in latest and established models = 0.100178 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 41 model components to the UV plane model. ! The established model now contains 54 components and 0.100178 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067098Jy sigma=1.022571 ! Fit after self-cal, rms=0.067103Jy sigma=1.022544 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! selflims ampcor_selflim ! 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: 1.01028 ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.95 HN 1.00* KP 1.04 ! LA 0.91 MK 1.00* NL 1.12 OV 0.94 ! PT 0.99 SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.00468 ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.97 HN 1.00* KP 0.93 ! LA 1.08 MK 1.00* NL 0.94 OV 0.96 ! PT 0.99 SC 1.00* ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 1.00191 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.02 HN 1.00* KP 0.96 ! LA 0.89 MK 1.00* NL 1.13 OV 0.97 ! PT 1.03 SC 1.00* ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.968233 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.05 HN 1.00* KP 0.98 ! LA 1.13 MK 1.00* NL 0.92 OV 1.04 ! PT 1.20 SC 1.00* ! ! ! Fit before self-cal, rms=0.067103Jy sigma=1.022544 ! Fit after self-cal, rms=0.067386Jy sigma=1.009587 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=0.067386Jy sigma=1.009587 ! Fit after self-cal, rms=0.067393Jy sigma=1.009556 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.563 mas, bmaj=11.73 mas, bpa=-0.3746 degrees ! Estimated noise=1.38932 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 = 0.000299763 Jy ! Component: 100 - total flux cleaned = 0.000458038 Jy ! Component: 150 - total flux cleaned = 0.000457699 Jy ! Component: 200 - total flux cleaned = 0.000479269 Jy ! Total flux subtracted in 200 components = 0.000479269 Jy ! Clean residual min=-0.002941 max=0.003460 Jy/beam ! Clean residual mean=0.000005 rms=0.001099 Jy/beam ! Combined flux in latest and established models = 0.100657 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 71 components and 0.100657 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067378Jy sigma=1.009173 ! Fit after self-cal, rms=0.067377Jy sigma=1.009155 ! 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=0.067377Jy sigma=1.009155 ! Fit after self-cal, rms=0.063270Jy sigma=0.936594 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 = 0.00152866 Jy ! Component: 100 - total flux cleaned = 0.00182088 Jy ! Component: 150 - total flux cleaned = 0.00191433 Jy ! Component: 200 - total flux cleaned = 0.00199213 Jy ! Total flux subtracted in 200 components = 0.00199213 Jy ! Clean residual min=-0.002789 max=0.003196 Jy/beam ! Clean residual mean=-0.000006 rms=0.001029 Jy/beam ! Combined flux in latest and established models = 0.102649 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 88 components and 0.102649 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063232Jy sigma=0.935233 ! Fit after self-cal, rms=0.062826Jy sigma=0.929344 ! 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: 2.563 x 11.73 at -0.3746 degrees (North through East) ! Clean map min=-0.0027919 max=0.089974 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=2.934 mas, bmaj=11.98 mas, bpa=0.6214 degrees ! Estimated noise=1.41512 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 = 0.000389515 Jy ! Component: 100 - total flux cleaned = 0.000535515 Jy ! Component: 150 - total flux cleaned = 0.000608139 Jy ! Component: 200 - total flux cleaned = 0.00065897 Jy ! Total flux subtracted in 200 components = 0.00065897 Jy ! Clean residual min=-0.002923 max=0.002909 Jy/beam ! Clean residual mean=-0.000005 rms=0.001071 Jy/beam ! Combined flux in latest and established models = 0.103308 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 104 components and 0.103308 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062825Jy sigma=0.929178 ! Fit after self-cal, rms=0.062784Jy sigma=0.928380 ! Inverting map uvtaper 0,0 ! 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=2.223 mas, bmaj=9.416 mas, bpa=0.01036 degrees ! Estimated noise=2.51906 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0790206 Jy ! Component: 100 - total flux cleaned = 0.0955796 Jy ! Component: 150 - total flux cleaned = 0.099142 Jy ! Component: 200 - total flux cleaned = 0.100124 Jy ! Total flux subtracted in 200 components = 0.100124 Jy ! Clean residual min=-0.006433 max=0.006585 Jy/beam ! Clean residual mean=0.000136 rms=0.002165 Jy/beam ! Combined flux in latest and established models = 0.100124 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 24 model components to the UV plane model. ! The established model now contains 24 components and 0.100124 Jy ! Inverting map and beam ! Estimated beam: bmin=2.563 mas, bmaj=11.73 mas, bpa=-0.3746 degrees ! Estimated noise=1.38932 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 = 0.00129523 Jy ! Component: 100 - total flux cleaned = 0.00171827 Jy ! Component: 150 - total flux cleaned = 0.00211635 Jy ! Component: 200 - total flux cleaned = 0.00211657 Jy ! Total flux subtracted in 200 components = 0.00211657 Jy ! Clean residual min=-0.003257 max=0.003689 Jy/beam ! Clean residual mean=-0.000022 rms=0.001119 Jy/beam ! Combined flux in latest and established models = 0.102241 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 39 components and 0.10224 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=2.934 mas, bmaj=11.98 mas, bpa=0.6214 degrees ! Estimated noise=1.41512 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 = 0.000347031 Jy ! Component: 100 - total flux cleaned = 0.000423014 Jy ! Component: 150 - total flux cleaned = 0.000527799 Jy ! Component: 200 - total flux cleaned = 0.000624006 Jy ! Total flux subtracted in 200 components = 0.000624006 Jy ! Clean residual min=-0.003189 max=0.003427 Jy/beam ! Clean residual mean=-0.000015 rms=0.001139 Jy/beam ! Combined flux in latest and established models = 0.102865 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 53 components and 0.102864 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.563 mas, bmaj=11.73 mas, bpa=-0.3746 degrees ! Estimated noise=1.38932 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -1.9467e-05 Jy ! Component: 100 - total flux cleaned = -2.00483e-05 Jy ! Component: 150 - total flux cleaned = 3.68565e-05 Jy ! Component: 200 - total flux cleaned = 6.28135e-05 Jy ! Total flux subtracted in 200 components = 6.28135e-05 Jy ! Clean residual min=-0.002927 max=0.003385 Jy/beam ! Clean residual mean=-0.000010 rms=0.001049 Jy/beam ! Combined flux in latest and established models = 0.102927 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 60 components and 0.102927 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062735Jy sigma=0.928367 ! Fit after self-cal, rms=0.062722Jy sigma=0.928177 wmodel J1230-3121_X_2004_05_08_yyk\_map.mod ! Writing 60 model components to file: J1230-3121_X_2004_05_08_yyk_map.mod wobs J1230-3121_X_2004_05_08_yyk\_uvs.fits ! Writing UV FITS file: J1230-3121_X_2004_05_08_yyk_uvs.fits wwins J1230-3121_X_2004_05_08_yyk\_map.win ! wwins: Wrote 1 windows to J1230-3121_X_2004_05_08_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 = 0.000598499 Jy ! Component: 100 - total flux cleaned = 0.00069688 Jy ! Component: 150 - total flux cleaned = 0.000782839 Jy ! Component: 200 - total flux cleaned = 0.000782816 Jy ! Component: 250 - total flux cleaned = 0.000747488 Jy ! Component: 300 - total flux cleaned = 0.000681293 Jy ! Component: 350 - total flux cleaned = 0.00065019 Jy ! Component: 400 - total flux cleaned = 0.000735518 Jy ! Component: 450 - total flux cleaned = 0.000871718 Jy ! Component: 500 - total flux cleaned = 0.000950501 Jy ! Component: 550 - total flux cleaned = 0.00105241 Jy ! Component: 600 - total flux cleaned = 0.00117602 Jy ! Component: 650 - total flux cleaned = 0.00124799 Jy ! Component: 700 - total flux cleaned = 0.00131771 Jy ! Component: 750 - total flux cleaned = 0.00136291 Jy ! Component: 800 - total flux cleaned = 0.00138514 Jy ! Component: 850 - total flux cleaned = 0.00142818 Jy ! Component: 900 - total flux cleaned = 0.00147005 Jy ! Component: 950 - total flux cleaned = 0.00153061 Jy ! Component: 1000 - total flux cleaned = 0.00149036 Jy ! Total flux subtracted in 1024 components = 0.00151 Jy ! Clean residual min=-0.001077 max=0.001135 Jy/beam ! Clean residual mean=-0.000002 rms=0.000433 Jy/beam ! Combined flux in latest and established models = 0.104437 Jy keep ! Adding 61 model components to the UV plane model. ! The established model now contains 121 components and 0.104437 Jy ![Exited script file: muppet] wmap "J1230-3121_X_2004_05_08_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.563 x 11.73 at -0.3746 degrees (North through East) ! Clean map min=-0.0035315 max=0.090726 Jy/beam ! Writing clean map to FITS file: J1230-3121_X_2004_05_08_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0907258 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000402226 device "J1230-3121_X_2004_05_08_yyk\_map.eps/VPS" ! Attempting to open device: 'J1230-3121_X_2004_05_08_yyk_map.eps/VPS' loglevs 2*100*3*image_rms/peak_flux ! The new contour levels are: ! -2.66005 2.66005 5.32011 10.6402 21.2804 42.5609 85.1217 print "clev=",int(2*3*image_rms*10000)/10000 ! clev= 0.0024 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.09 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.563 x 11.73 at -0.3746 degrees (North through East) ! Clean map min=-0.0035315 max=0.090726 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1230-3121_X_2004_05_08_yyk\_map.gif/gif" ! Attempting to open device: 'J1230-3121_X_2004_05_08_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1230-3121_X_2004_05_08_yyk_uvs.log closed on Wed Dec 7 01:09:07 2005