! Started logfile: J0838-3836_X_2004_05_08_yyk_uvs.log on Wed Dec 7 00:11:25 2005 obs J0838-3836_X_2004_05_08_yyk_uve.fits ! Reading UV FITS file: J0838-3836_X_2004_05_08_yyk_uve.fits ! AN table 1: 6 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.207407 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0838-3836 ! ! 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 1434 lines of history. ! ! Reading 224 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 J0838-3836_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 = 512x512 pixels with 0.200x0.200 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.124387 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 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 60 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.896910Jy sigma=15.071680 ! Fit after self-cal, rms=0.896368Jy sigma=15.064312 ! 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=0.6077 mas, bmaj=1.956 mas, bpa=10.18 degrees ! Estimated noise=4.3032 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 = 0.0834552 Jy ! Component: 100 - total flux cleaned = 0.0837458 Jy ! Total flux subtracted in 100 components = 0.0837458 Jy ! Clean residual min=-0.008285 max=0.008297 Jy/beam ! Clean residual mean=-0.000032 rms=0.002868 Jy/beam ! Combined flux in latest and established models = 0.0837458 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 0.0837458 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063437Jy sigma=0.979444 ! Fit after self-cal, rms=0.063384Jy sigma=0.979038 ! 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=0.7062 mas, bmaj=2.579 mas, bpa=14.54 degrees ! Estimated noise=3.78374 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 = -0.00418189 Jy ! Component: 100 - total flux cleaned = -0.00510953 Jy ! Component: 150 - total flux cleaned = -0.00541807 Jy ! Component: 200 - total flux cleaned = -0.00573861 Jy ! Total flux subtracted in 200 components = -0.00573861 Jy ! Clean residual min=-0.004715 max=0.004663 Jy/beam ! Clean residual mean=-0.000024 rms=0.001379 Jy/beam ! Combined flux in latest and established models = 0.0780072 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 35 model components to the UV plane model. ! The established model now contains 47 components and 0.0780072 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.061821Jy sigma=0.950168 ! Fit after self-cal, rms=0.061830Jy sigma=0.949518 ! 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: 0.995995 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 1.10 ! LA 1.03 MK 1.00* NL 1.00* OV 0.93 ! PT 1.00* SC 0.98 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.00964 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 0.87 ! LA 0.93 MK 1.01 NL 1.00* OV 1.11 ! PT 1.00* SC 1.00 ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 1.01081 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 0.93 ! LA 0.93 MK 1.00* NL 1.00* OV 1.03 ! PT 1.00* SC 1.00 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* OV 0.00* ! PT 0.00* SC 0.00* ! ! ! Fit before self-cal, rms=0.061830Jy sigma=0.949518 ! Fit after self-cal, rms=0.060508Jy sigma=0.936994 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=0.060508Jy sigma=0.936994 ! Fit after self-cal, rms=0.060503Jy sigma=0.936982 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7126 mas, bmaj=2.581 mas, bpa=14.6 degrees ! Estimated noise=3.68927 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 = -0.00322746 Jy ! Component: 100 - total flux cleaned = -0.00388467 Jy ! Component: 150 - total flux cleaned = -0.00369628 Jy ! Component: 200 - total flux cleaned = -0.00367082 Jy ! Total flux subtracted in 200 components = -0.00367082 Jy ! Clean residual min=-0.002833 max=0.002790 Jy/beam ! Clean residual mean=-0.000000 rms=0.000809 Jy/beam ! Combined flux in latest and established models = 0.0743364 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 32 model components to the UV plane model. ! The established model now contains 79 components and 0.0743364 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.060040Jy sigma=0.928357 ! Fit after self-cal, rms=0.060020Jy sigma=0.927740 ! 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=0.060020Jy sigma=0.927740 ! Fit after self-cal, rms=0.054073Jy sigma=0.836131 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 = 0.00138517 Jy ! Component: 100 - total flux cleaned = 0.00065514 Jy ! Component: 150 - total flux cleaned = 0.00108704 Jy ! Component: 200 - total flux cleaned = 0.00106946 Jy ! Total flux subtracted in 200 components = 0.00106946 Jy ! Clean residual min=-0.002049 max=0.002133 Jy/beam ! Clean residual mean=-0.000006 rms=0.000618 Jy/beam ! Combined flux in latest and established models = 0.0754058 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 39 model components to the UV plane model. ! The established model now contains 116 components and 0.0754058 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.053588Jy sigma=0.826085 ! Fit after self-cal, rms=0.053279Jy sigma=0.819708 ! 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: 0.7126 x 2.581 at 14.6 degrees (North through East) ! Clean map min=-0.0068318 max=0.088232 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=2.88 mas, bmaj=10.68 mas, bpa=4.235 degrees ! Estimated noise=5.27081 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 = -3.86205e-05 Jy ! Component: 100 - total flux cleaned = 0.000110096 Jy ! Component: 150 - total flux cleaned = 0.000275948 Jy ! Component: 200 - total flux cleaned = 0.000352589 Jy ! Total flux subtracted in 200 components = 0.000352589 Jy ! Clean residual min=-0.001343 max=0.001273 Jy/beam ! Clean residual mean=-0.000010 rms=0.000317 Jy/beam ! Combined flux in latest and established models = 0.0757584 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 33 model components to the UV plane model. ! The established model now contains 148 components and 0.0757584 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.053157Jy sigma=0.819245 ! Fit after self-cal, rms=0.053162Jy sigma=0.818674 ! 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=0.6116 mas, bmaj=1.959 mas, bpa=10.18 degrees ! Estimated noise=4.2088 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0843519 Jy ! Component: 100 - total flux cleaned = 0.0792001 Jy ! Component: 150 - total flux cleaned = 0.0761632 Jy ! Component: 200 - total flux cleaned = 0.0757791 Jy ! Total flux subtracted in 200 components = 0.0757791 Jy ! Clean residual min=-0.005107 max=0.005196 Jy/beam ! Clean residual mean=-0.000020 rms=0.001567 Jy/beam ! Combined flux in latest and established models = 0.0757791 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 32 model components to the UV plane model. ! The established model now contains 32 components and 0.0757791 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7126 mas, bmaj=2.581 mas, bpa=14.6 degrees ! Estimated noise=3.68927 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 = -0.0028698 Jy ! Component: 100 - total flux cleaned = -0.00231997 Jy ! Component: 150 - total flux cleaned = -0.00196158 Jy ! Component: 200 - total flux cleaned = -0.0013925 Jy ! Total flux subtracted in 200 components = -0.0013925 Jy ! Clean residual min=-0.002596 max=0.002542 Jy/beam ! Clean residual mean=-0.000012 rms=0.000785 Jy/beam ! Combined flux in latest and established models = 0.0743866 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 67 components and 0.0743866 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=2.88 mas, bmaj=10.68 mas, bpa=4.235 degrees ! Estimated noise=5.27081 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 = -0.0010913 Jy ! Component: 100 - total flux cleaned = -0.00107589 Jy ! Component: 150 - total flux cleaned = -0.00106026 Jy ! Component: 200 - total flux cleaned = -0.00104025 Jy ! Total flux subtracted in 200 components = -0.00104025 Jy ! Clean residual min=-0.002702 max=0.002582 Jy/beam ! Clean residual mean=0.000006 rms=0.000743 Jy/beam ! Combined flux in latest and established models = 0.0733464 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 99 components and 0.0733464 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7126 mas, bmaj=2.581 mas, bpa=14.6 degrees ! Estimated noise=3.68927 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -8.44235e-06 Jy ! Component: 100 - total flux cleaned = -0.000319736 Jy ! Component: 150 - total flux cleaned = -0.000792479 Jy ! Component: 200 - total flux cleaned = -0.00129504 Jy ! Total flux subtracted in 200 components = -0.00129504 Jy ! Clean residual min=-0.002220 max=0.002246 Jy/beam ! Clean residual mean=-0.000008 rms=0.000633 Jy/beam ! Combined flux in latest and established models = 0.0720513 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 37 model components to the UV plane model. ! The established model now contains 134 components and 0.0720513 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.053275Jy sigma=0.819616 ! Fit after self-cal, rms=0.053265Jy sigma=0.818752 wmodel J0838-3836_X_2004_05_08_yyk\_map.mod ! Writing 134 model components to file: J0838-3836_X_2004_05_08_yyk_map.mod wobs J0838-3836_X_2004_05_08_yyk\_uvs.fits ! Writing UV FITS file: J0838-3836_X_2004_05_08_yyk_uvs.fits wwins J0838-3836_X_2004_05_08_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0838-3836_X_2004_05_08_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7126 x 2.581 at 14.6 degrees (North through East) ! Clean map min=-0.0081034 max=0.093377 Jy/beam ! Writing clean map to FITS file: J0838-3836_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 0.093377 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000605122 device "J0838-3836_X_2004_05_08_yyk\_map.eps/VPS" ! Attempting to open device: 'J0838-3836_X_2004_05_08_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.94412 1.94412 3.88825 7.7765 15.553 31.106 62.212 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0018 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.093 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7126 x 2.581 at 14.6 degrees (North through East) ! Clean map min=-0.0081034 max=0.093377 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0838-3836_X_2004_05_08_yyk\_map.gif/gif" ! Attempting to open device: 'J0838-3836_X_2004_05_08_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0838-3836_X_2004_05_08_yyk_uvs.log closed on Wed Dec 7 00:11:28 2005