! Started logfile: J2340-0053_X_2005_07_20_yyk_uvs.log on Fri Jan 20 11:27:58 2006 obs J2340-0053_X_2005_07_20_yyk_uve.fits ! Reading UV FITS file: J2340-0053_X_2005_07_20_yyk_uve.fits ! AN table 1: 11 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.70101 visibilities/baseline/integration-bin. ! Found source: J2340-0053 ! ! 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 1488 lines of history. ! ! Reading 1388 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 J2340-0053_X_2005_07_20_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)= 0.107558 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=2.206 mas, bmaj=3.263 mas, bpa=9.567 degrees ! Estimated noise=1.60061 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 = 0.0719324 Jy ! Component: 100 - total flux cleaned = 0.0879804 Jy ! Total flux subtracted in 100 components = 0.0879804 Jy ! Clean residual min=-0.008148 max=0.008853 Jy/beam ! Clean residual mean=0.000024 rms=0.002403 Jy/beam ! Combined flux in latest and established models = 0.0879804 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.0879804 Jy ! ! Correcting IF 1. ! A total of 42 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 42 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.067503Jy sigma=1.155542 ! Fit after self-cal, rms=0.063859Jy sigma=1.095287 ! Inverting map and beam ! Estimated beam: bmin=2.206 mas, bmaj=3.263 mas, bpa=9.567 degrees ! Estimated noise=1.60061 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=2.467 mas, bmaj=3.738 mas, bpa=14.37 degrees ! Estimated noise=1.27193 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 = 0.00526076 Jy ! Component: 100 - total flux cleaned = 0.00577693 Jy ! Component: 150 - total flux cleaned = 0.00578778 Jy ! Component: 200 - total flux cleaned = 0.00571016 Jy ! Total flux subtracted in 200 components = 0.00571016 Jy ! Clean residual min=-0.006522 max=0.006559 Jy/beam ! Clean residual mean=-0.000010 rms=0.001768 Jy/beam ! Combined flux in latest and established models = 0.0936906 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 19 components and 0.0936906 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063434Jy sigma=1.083435 ! Fit after self-cal, rms=0.063386Jy sigma=1.083010 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.467 x 3.738 at 14.37 degrees (North through East) ! Clean map min=-0.0064449 max=0.086655 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: 1.04987 ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.88 HN 1.00* KP 0.86 ! LA 0.89 MK 1.00* NL 0.97 OV 0.97 ! PT 1.05 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 ! 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=0.063386Jy sigma=1.083010 ! Fit after self-cal, rms=0.062420Jy sigma=1.073781 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=0.062420Jy sigma=1.073781 ! Fit after self-cal, rms=0.062421Jy sigma=1.073773 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.475 mas, bmaj=3.73 mas, bpa=15.28 degrees ! Estimated noise=1.25371 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 = -0.000714504 Jy ! Component: 100 - total flux cleaned = -0.00111433 Jy ! Component: 150 - total flux cleaned = -0.00134107 Jy ! Component: 200 - total flux cleaned = -0.00145766 Jy ! Total flux subtracted in 200 components = -0.00145766 Jy ! Clean residual min=-0.005943 max=0.005037 Jy/beam ! Clean residual mean=-0.000009 rms=0.001521 Jy/beam ! Combined flux in latest and established models = 0.0922329 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 26 components and 0.0922329 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062374Jy sigma=1.072015 ! Fit after self-cal, rms=0.062343Jy sigma=1.071757 ! 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=0.062343Jy sigma=1.071757 ! Fit after self-cal, rms=0.055234Jy sigma=0.948702 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 = 0.00140723 Jy ! Component: 100 - total flux cleaned = 0.000685315 Jy ! Component: 150 - total flux cleaned = 0.000238841 Jy ! Component: 200 - total flux cleaned = -5.39533e-05 Jy ! Total flux subtracted in 200 components = -5.39533e-05 Jy ! Clean residual min=-0.005402 max=0.004800 Jy/beam ! Clean residual mean=-0.000010 rms=0.001408 Jy/beam ! Combined flux in latest and established models = 0.092179 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 33 components and 0.0921789 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055002Jy sigma=0.943519 ! Fit after self-cal, rms=0.054429Jy sigma=0.936401 ! 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: 2.475 x 3.73 at 15.28 degrees (North through East) ! Clean map min=-0.0052084 max=0.090369 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=2.871 mas, bmaj=4.112 mas, bpa=18.18 degrees ! Estimated noise=1.29109 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 = -0.00030848 Jy ! Component: 100 - total flux cleaned = -0.000537749 Jy ! Component: 150 - total flux cleaned = -0.00071722 Jy ! Component: 200 - total flux cleaned = -0.000847698 Jy ! Total flux subtracted in 200 components = -0.000847698 Jy ! Clean residual min=-0.005644 max=0.005253 Jy/beam ! Clean residual mean=-0.000012 rms=0.001491 Jy/beam ! Combined flux in latest and established models = 0.0913312 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 40 components and 0.0913312 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.054386Jy sigma=0.935873 ! Fit after self-cal, rms=0.054331Jy sigma=0.935095 ! 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=2.21 mas, bmaj=3.253 mas, bpa=10.33 degrees ! Estimated noise=1.5807 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0780533 Jy ! Component: 100 - total flux cleaned = 0.0938332 Jy ! Component: 150 - total flux cleaned = 0.0953118 Jy ! Component: 200 - total flux cleaned = 0.095177 Jy ! Total flux subtracted in 200 components = 0.095177 Jy ! Clean residual min=-0.005049 max=0.005052 Jy/beam ! Clean residual mean=0.000020 rms=0.001487 Jy/beam ! Combined flux in latest and established models = 0.095177 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 0.095177 Jy ! Inverting map and beam ! Estimated beam: bmin=2.475 mas, bmaj=3.73 mas, bpa=15.28 degrees ! Estimated noise=1.25371 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 = -0.00156712 Jy ! Component: 100 - total flux cleaned = -0.0019379 Jy ! Component: 150 - total flux cleaned = -0.00217218 Jy ! Component: 200 - total flux cleaned = -0.00237486 Jy ! Total flux subtracted in 200 components = -0.00237486 Jy ! Clean residual min=-0.005290 max=0.005115 Jy/beam ! Clean residual mean=-0.000010 rms=0.001419 Jy/beam ! Combined flux in latest and established models = 0.0928022 Jy ! Adding 9 model components to the UV plane model. ! The established model now contains 21 components and 0.0928022 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=2.871 mas, bmaj=4.112 mas, bpa=18.18 degrees ! Estimated noise=1.29109 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 = -0.000544001 Jy ! Component: 100 - total flux cleaned = -0.000644961 Jy ! Component: 150 - total flux cleaned = -0.000765742 Jy ! Component: 200 - total flux cleaned = -0.00087598 Jy ! Total flux subtracted in 200 components = -0.00087598 Jy ! Clean residual min=-0.005579 max=0.005396 Jy/beam ! Clean residual mean=-0.000012 rms=0.001500 Jy/beam ! Combined flux in latest and established models = 0.0919262 Jy ! Adding 13 model components to the UV plane model. ! The established model now contains 27 components and 0.0919262 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.475 mas, bmaj=3.73 mas, bpa=15.28 degrees ! Estimated noise=1.25371 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 8.85098e-05 Jy ! Component: 100 - total flux cleaned = 1.09077e-07 Jy ! Component: 150 - total flux cleaned = -0.000108385 Jy ! Component: 200 - total flux cleaned = -0.000207767 Jy ! Total flux subtracted in 200 components = -0.000207767 Jy ! Clean residual min=-0.005522 max=0.004920 Jy/beam ! Clean residual mean=-0.000009 rms=0.001398 Jy/beam ! Combined flux in latest and established models = 0.0917184 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 36 components and 0.0917184 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.054323Jy sigma=0.935499 ! Fit after self-cal, rms=0.054314Jy sigma=0.935298 wmodel J2340-0053_X_2005_07_20_yyk\_map.mod ! Writing 36 model components to file: J2340-0053_X_2005_07_20_yyk_map.mod wobs J2340-0053_X_2005_07_20_yyk\_uvs.fits ! Writing UV FITS file: J2340-0053_X_2005_07_20_yyk_uvs.fits wwins J2340-0053_X_2005_07_20_yyk\_map.win ! wwins: Wrote 1 windows to J2340-0053_X_2005_07_20_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 = -0.000845891 Jy ! Component: 100 - total flux cleaned = -0.000351565 Jy ! Component: 150 - total flux cleaned = 0.000581035 Jy ! Component: 200 - total flux cleaned = 0.00126141 Jy ! Component: 250 - total flux cleaned = 0.00149484 Jy ! Component: 300 - total flux cleaned = 0.00165934 Jy ! Component: 350 - total flux cleaned = 0.00166231 Jy ! Component: 400 - total flux cleaned = 0.00180536 Jy ! Component: 450 - total flux cleaned = 0.00199054 Jy ! Component: 500 - total flux cleaned = 0.00234514 Jy ! Component: 550 - total flux cleaned = 0.00294054 Jy ! Component: 600 - total flux cleaned = 0.00322541 Jy ! Component: 650 - total flux cleaned = 0.00362144 Jy ! Component: 700 - total flux cleaned = 0.00400408 Jy ! Component: 750 - total flux cleaned = 0.00444956 Jy ! Component: 800 - total flux cleaned = 0.00480861 Jy ! Component: 850 - total flux cleaned = 0.00515926 Jy ! Component: 900 - total flux cleaned = 0.00553407 Jy ! Component: 950 - total flux cleaned = 0.00586517 Jy ! Component: 1000 - total flux cleaned = 0.00615541 Jy ! Total flux subtracted in 1024 components = 0.00621869 Jy ! Clean residual min=-0.001636 max=0.001873 Jy/beam ! Clean residual mean=-0.000010 rms=0.000677 Jy/beam ! Combined flux in latest and established models = 0.0979371 Jy keep ! Adding 69 model components to the UV plane model. ! The established model now contains 105 components and 0.0979372 Jy ![Exited script file: muppet] wmap "J2340-0053_X_2005_07_20_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.475 x 3.73 at 15.28 degrees (North through East) ! Clean map min=-0.0038822 max=0.091002 Jy/beam ! Writing clean map to FITS file: J2340-0053_X_2005_07_20_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0910019 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000677706 device "J2340-0053_X_2005_07_20_yyk\_map.eps/VPS" ! Attempting to open device: 'J2340-0053_X_2005_07_20_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -2.23415 2.23415 4.4683 8.9366 17.8732 35.7464 71.4928 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.002 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.091 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.475 x 3.73 at 15.28 degrees (North through East) ! Clean map min=-0.0038822 max=0.091002 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2340-0053_X_2005_07_20_yyk\_map.gif/gif" ! Attempting to open device: 'J2340-0053_X_2005_07_20_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J2340-0053_X_2005_07_20_yyk_uvs.log closed on Fri Jan 20 11:27:58 2006