! Started logfile: J1742-1903_X_2005_05_12_yyk_uvs.log on Sat Oct 8 22:59:51 2005 obs J1742-1903_X_2005_05_12_yyk_uve.fits ! Reading UV FITS file: J1742-1903_X_2005_05_12_yyk_uve.fits ! AN table 1: 19 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.437427 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1742-1903 ! ! 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 1439 lines of history. ! ! Reading 1496 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 J1742-1903_X_2005_05_12_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 0.600x0.600 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.0895839 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=2.598 mas, bmaj=8.109 mas, bpa=30.64 degrees ! Estimated noise=1.9291 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 = 0.0507624 Jy ! Component: 100 - total flux cleaned = 0.0528291 Jy ! Total flux subtracted in 100 components = 0.0528291 Jy ! Clean residual min=-0.008870 max=0.008989 Jy/beam ! Clean residual mean=0.000060 rms=0.002498 Jy/beam ! Combined flux in latest and established models = 0.0528291 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.0528291 Jy ! ! Correcting IF 1. ! A total of 84 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 84 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 84 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 93 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.068592Jy sigma=1.169268 ! Fit after self-cal, rms=0.068316Jy sigma=1.129631 ! Inverting map and beam ! Estimated beam: bmin=2.598 mas, bmaj=8.109 mas, bpa=30.64 degrees ! Estimated noise=1.9291 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=3.002 mas, bmaj=8.178 mas, bpa=28.95 degrees ! Estimated noise=1.15397 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 = 0.00758393 Jy ! Component: 100 - total flux cleaned = 0.0121981 Jy ! Component: 150 - total flux cleaned = 0.0146655 Jy ! Component: 200 - total flux cleaned = 0.0155341 Jy ! Total flux subtracted in 200 components = 0.0155341 Jy ! Clean residual min=-0.004531 max=0.005360 Jy/beam ! Clean residual mean=0.000023 rms=0.001318 Jy/beam ! Combined flux in latest and established models = 0.0683632 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 25 components and 0.0683632 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067831Jy sigma=1.113930 ! Fit after self-cal, rms=0.067793Jy sigma=1.113324 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.002 x 8.178 at 28.95 degrees (North through East) ! Clean map min=-0.0045439 max=0.058351 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: 1.03674 ! Telescope amplitude corrections in sub-array 1: ! BR 0.86 FD 1.00 HN 1.00* KP 0.95 ! LA 0.98 MK 1.00* NL 1.00* OV 0.95 ! PT 0.91 SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.04204 ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.95 HN 1.00* KP 0.92 ! LA 0.98 MK 1.00* NL 1.00* OV 0.86 ! PT 0.94 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 ! 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=0.067793Jy sigma=1.113324 ! Fit after self-cal, rms=0.065983Jy sigma=1.108288 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=0.065983Jy sigma=1.108288 ! Fit after self-cal, rms=0.065940Jy sigma=1.107603 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.989 mas, bmaj=8.142 mas, bpa=29.07 degrees ! Estimated noise=1.119 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 = 0.000848348 Jy ! Component: 100 - total flux cleaned = 0.00145398 Jy ! Component: 150 - total flux cleaned = 0.00165155 Jy ! Component: 200 - total flux cleaned = 0.00182251 Jy ! Total flux subtracted in 200 components = 0.00182251 Jy ! Clean residual min=-0.004108 max=0.004355 Jy/beam ! Clean residual mean=0.000024 rms=0.001187 Jy/beam ! Combined flux in latest and established models = 0.0701857 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 35 components and 0.0701857 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065921Jy sigma=1.106007 ! Fit after self-cal, rms=0.065870Jy sigma=1.105542 ! 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=0.065870Jy sigma=1.105542 ! Fit after self-cal, rms=0.057890Jy sigma=0.944591 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 = 0.00513978 Jy ! Component: 100 - total flux cleaned = 0.00505313 Jy ! Component: 150 - total flux cleaned = 0.00504852 Jy ! Component: 200 - total flux cleaned = 0.00500958 Jy ! Total flux subtracted in 200 components = 0.00500958 Jy ! Clean residual min=-0.002639 max=0.003016 Jy/beam ! Clean residual mean=0.000008 rms=0.000928 Jy/beam ! Combined flux in latest and established models = 0.0751953 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 44 components and 0.0751953 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.057295Jy sigma=0.933007 ! Fit after self-cal, rms=0.056690Jy sigma=0.924579 ! 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: 2.989 x 8.142 at 29.07 degrees (North through East) ! Clean map min=-0.0025668 max=0.06466 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=3.287 mas, bmaj=8.107 mas, bpa=28.46 degrees ! Estimated noise=1.13095 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 = 2.77596e-05 Jy ! Component: 100 - total flux cleaned = -2.45538e-06 Jy ! Component: 150 - total flux cleaned = -2.82272e-05 Jy ! Component: 200 - total flux cleaned = -2.68078e-05 Jy ! Total flux subtracted in 200 components = -2.68078e-05 Jy ! Clean residual min=-0.002779 max=0.002880 Jy/beam ! Clean residual mean=0.000008 rms=0.000940 Jy/beam ! Combined flux in latest and established models = 0.0751685 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 53 components and 0.0751685 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.056648Jy sigma=0.924028 ! Fit after self-cal, rms=0.056518Jy sigma=0.922805 ! 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=2.595 mas, bmaj=8.095 mas, bpa=30.71 degrees ! Estimated noise=1.87813 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0591191 Jy ! Component: 100 - total flux cleaned = 0.0660727 Jy ! Component: 150 - total flux cleaned = 0.0670483 Jy ! Component: 200 - total flux cleaned = 0.0676179 Jy ! Total flux subtracted in 200 components = 0.0676179 Jy ! Clean residual min=-0.005406 max=0.004732 Jy/beam ! Clean residual mean=0.000007 rms=0.001452 Jy/beam ! Combined flux in latest and established models = 0.0676179 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 19 model components to the UV plane model. ! The established model now contains 19 components and 0.0676179 Jy ! Inverting map and beam ! Estimated beam: bmin=2.989 mas, bmaj=8.142 mas, bpa=29.07 degrees ! Estimated noise=1.119 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 = 0.00429958 Jy ! Component: 100 - total flux cleaned = 0.00597465 Jy ! Component: 150 - total flux cleaned = 0.00679344 Jy ! Component: 200 - total flux cleaned = 0.00707626 Jy ! Total flux subtracted in 200 components = 0.00707626 Jy ! Clean residual min=-0.003105 max=0.003104 Jy/beam ! Clean residual mean=0.000008 rms=0.001056 Jy/beam ! Combined flux in latest and established models = 0.0746942 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 36 components and 0.0746942 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=3.287 mas, bmaj=8.107 mas, bpa=28.46 degrees ! Estimated noise=1.13095 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 = 0.000473588 Jy ! Component: 100 - total flux cleaned = 0.000737042 Jy ! Component: 150 - total flux cleaned = 0.000913215 Jy ! Component: 200 - total flux cleaned = 0.00100393 Jy ! Total flux subtracted in 200 components = 0.00100393 Jy ! Clean residual min=-0.002929 max=0.002990 Jy/beam ! Clean residual mean=0.000010 rms=0.000973 Jy/beam ! Combined flux in latest and established models = 0.0756981 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 45 components and 0.0756981 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.989 mas, bmaj=8.142 mas, bpa=29.07 degrees ! Estimated noise=1.119 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -2.65693e-05 Jy ! Component: 100 - total flux cleaned = 4.27093e-05 Jy ! Component: 150 - total flux cleaned = 8.52274e-05 Jy ! Component: 200 - total flux cleaned = 0.000142566 Jy ! Total flux subtracted in 200 components = 0.000142566 Jy ! Clean residual min=-0.002732 max=0.003028 Jy/beam ! Clean residual mean=0.000010 rms=0.000924 Jy/beam ! Combined flux in latest and established models = 0.0758407 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 59 components and 0.0758407 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.056430Jy sigma=0.922429 ! Fit after self-cal, rms=0.056388Jy sigma=0.921946 wmodel J1742-1903_X_2005_05_12_yyk\_map.mod ! Writing 59 model components to file: J1742-1903_X_2005_05_12_yyk_map.mod wobs J1742-1903_X_2005_05_12_yyk\_uvs.fits ! Writing UV FITS file: J1742-1903_X_2005_05_12_yyk_uvs.fits wwins J1742-1903_X_2005_05_12_yyk\_map.win ! wwins: Wrote 1 windows to J1742-1903_X_2005_05_12_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 = 0.000784651 Jy ! Component: 100 - total flux cleaned = 0.00105939 Jy ! Component: 150 - total flux cleaned = 0.00118798 Jy ! Component: 200 - total flux cleaned = 0.00134919 Jy ! Component: 250 - total flux cleaned = 0.00135002 Jy ! Component: 300 - total flux cleaned = 0.00114016 Jy ! Component: 350 - total flux cleaned = 0.000972513 Jy ! Component: 400 - total flux cleaned = 0.000875831 Jy ! Component: 450 - total flux cleaned = 0.000688192 Jy ! Component: 500 - total flux cleaned = 0.000506774 Jy ! Component: 550 - total flux cleaned = 0.000476911 Jy ! Component: 600 - total flux cleaned = 0.000419018 Jy ! Component: 650 - total flux cleaned = 0.000279651 Jy ! Component: 700 - total flux cleaned = 0.000171191 Jy ! Component: 750 - total flux cleaned = 0.000118467 Jy ! Component: 800 - total flux cleaned = 6.62869e-05 Jy ! Component: 850 - total flux cleaned = -8.52885e-05 Jy ! Component: 900 - total flux cleaned = -0.000159251 Jy ! Component: 950 - total flux cleaned = -0.000232148 Jy ! Component: 1000 - total flux cleaned = -0.00030386 Jy ! Total flux subtracted in 1024 components = -0.000350603 Jy ! Clean residual min=-0.001539 max=0.001550 Jy/beam ! Clean residual mean=0.000003 rms=0.000494 Jy/beam ! Combined flux in latest and established models = 0.0754901 Jy keep ! Adding 66 model components to the UV plane model. ! The established model now contains 125 components and 0.0754901 Jy ![Exited script file: muppet] wmap "J1742-1903_X_2005_05_12_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.989 x 8.142 at 29.07 degrees (North through East) ! Clean map min=-0.0025978 max=0.065556 Jy/beam ! Writing clean map to FITS file: J1742-1903_X_2005_05_12_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0655564 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000482079 device "J1742-1903_X_2005_05_12_yyk\_map.eps/VPS" ! Attempting to open device: 'J1742-1903_X_2005_05_12_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -2.20609 2.20609 4.41219 8.82437 17.6487 35.2975 70.595 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0014 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.065 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.989 x 8.142 at 29.07 degrees (North through East) ! Clean map min=-0.0025978 max=0.065556 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1742-1903_X_2005_05_12_yyk\_map.gif/gif" ! Attempting to open device: 'J1742-1903_X_2005_05_12_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1742-1903_X_2005_05_12_yyk_uvs.log closed on Sat Oct 8 22:59:52 2005