! Started logfile: J0503-0638_X_2005_07_20_yyk_uvs.log on Fri Jan 20 11:16:22 2006 obs J0503-0638_X_2005_07_20_yyk_uve.fits ! Reading UV FITS file: J0503-0638_X_2005_07_20_yyk_uve.fits ! AN table 1: 8 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.369444 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0503-0638 ! ! 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 532 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 J0503-0638_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)= 0.120517 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=2.102 mas, bmaj=3.914 mas, bpa=-6.246 degrees ! Estimated noise=4.03526 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 = 0.0587887 Jy ! Component: 100 - total flux cleaned = 0.0671097 Jy ! Total flux subtracted in 100 components = 0.0671097 Jy ! Clean residual min=-0.018054 max=0.023586 Jy/beam ! Clean residual mean=0.000069 rms=0.005461 Jy/beam ! Combined flux in latest and established models = 0.0671097 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.0671097 Jy ! ! Correcting IF 1. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 37 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 52 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.089806Jy sigma=1.371730 ! Fit after self-cal, rms=0.082815Jy sigma=1.236960 ! Inverting map and beam ! Estimated beam: bmin=2.102 mas, bmaj=3.914 mas, bpa=-6.246 degrees ! Estimated noise=4.03526 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=2.392 mas, bmaj=5.751 mas, bpa=-15.68 degrees ! Estimated noise=2.33283 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 = 0.0326121 Jy ! Component: 100 - total flux cleaned = 0.0426031 Jy ! Component: 150 - total flux cleaned = 0.0472783 Jy ! Component: 200 - total flux cleaned = 0.0496796 Jy ! Total flux subtracted in 200 components = 0.0496796 Jy ! Clean residual min=-0.009476 max=0.010686 Jy/beam ! Clean residual mean=-0.000041 rms=0.003266 Jy/beam ! Combined flux in latest and established models = 0.116789 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 32 model components to the UV plane model. ! The established model now contains 36 components and 0.116789 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076150Jy sigma=1.049746 ! Fit after self-cal, rms=0.076090Jy sigma=1.048719 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.392 x 5.751 at -15.68 degrees (North through East) ! Clean map min=-0.0097345 max=0.089677 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 ! 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 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=0.076090Jy sigma=1.048719 ! Fit after self-cal, rms=0.076090Jy sigma=1.048719 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=0.076090Jy sigma=1.048719 ! Fit after self-cal, rms=0.076093Jy sigma=1.048718 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.392 mas, bmaj=5.751 mas, bpa=-15.68 degrees ! Estimated noise=2.33283 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 = 0.000373287 Jy ! Component: 100 - total flux cleaned = 0.000631117 Jy ! Component: 150 - total flux cleaned = 0.000907621 Jy ! Component: 200 - total flux cleaned = 0.00110295 Jy ! Total flux subtracted in 200 components = 0.00110295 Jy ! Clean residual min=-0.009822 max=0.011093 Jy/beam ! Clean residual mean=-0.000036 rms=0.003200 Jy/beam ! Combined flux in latest and established models = 0.117892 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 41 components and 0.117892 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076032Jy sigma=1.047136 ! Fit after self-cal, rms=0.076003Jy sigma=1.046931 ! 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=0.076003Jy sigma=1.046931 ! Fit after self-cal, rms=0.070817Jy sigma=0.978928 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 = 0.00175463 Jy ! Component: 100 - total flux cleaned = 0.00214552 Jy ! Component: 150 - total flux cleaned = 0.00225362 Jy ! Component: 200 - total flux cleaned = 0.00228698 Jy ! Total flux subtracted in 200 components = 0.00228698 Jy ! Clean residual min=-0.009071 max=0.010550 Jy/beam ! Clean residual mean=-0.000031 rms=0.003113 Jy/beam ! Combined flux in latest and established models = 0.120179 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 43 components and 0.120179 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070688Jy sigma=0.977656 ! Fit after self-cal, rms=0.069676Jy sigma=0.972118 ! 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: 2.392 x 5.751 at -15.68 degrees (North through East) ! Clean map min=-0.0091187 max=0.091043 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=2.755 mas, bmaj=6.202 mas, bpa=-15.93 degrees ! Estimated noise=2.39384 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 = -0.000474464 Jy ! Component: 100 - total flux cleaned = -0.000600446 Jy ! Component: 150 - total flux cleaned = -0.000701526 Jy ! Component: 200 - total flux cleaned = -0.000839673 Jy ! Total flux subtracted in 200 components = -0.000839673 Jy ! Clean residual min=-0.009433 max=0.010515 Jy/beam ! Clean residual mean=-0.000035 rms=0.003251 Jy/beam ! Combined flux in latest and established models = 0.11934 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 47 components and 0.11934 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.069642Jy sigma=0.971501 ! Fit after self-cal, rms=0.069227Jy sigma=0.970464 ! 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=2.102 mas, bmaj=3.914 mas, bpa=-6.246 degrees ! Estimated noise=4.03526 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0749446 Jy ! Component: 100 - total flux cleaned = 0.0984205 Jy ! Component: 150 - total flux cleaned = 0.104005 Jy ! Component: 200 - total flux cleaned = 0.107941 Jy ! Total flux subtracted in 200 components = 0.107941 Jy ! Clean residual min=-0.013672 max=0.013454 Jy/beam ! Clean residual mean=-0.000051 rms=0.004374 Jy/beam ! Combined flux in latest and established models = 0.107941 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 29 model components to the UV plane model. ! The established model now contains 29 components and 0.107941 Jy ! Inverting map and beam ! Estimated beam: bmin=2.392 mas, bmaj=5.751 mas, bpa=-15.68 degrees ! Estimated noise=2.33283 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 = 0.00822737 Jy ! Component: 100 - total flux cleaned = 0.0102012 Jy ! Component: 150 - total flux cleaned = 0.0111829 Jy ! Component: 200 - total flux cleaned = 0.0115869 Jy ! Total flux subtracted in 200 components = 0.0115869 Jy ! Clean residual min=-0.009391 max=0.010844 Jy/beam ! Clean residual mean=-0.000033 rms=0.003166 Jy/beam ! Combined flux in latest and established models = 0.119528 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 43 components and 0.119528 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=2.755 mas, bmaj=6.202 mas, bpa=-15.93 degrees ! Estimated noise=2.39384 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 = -0.000451988 Jy ! Component: 100 - total flux cleaned = -0.000444294 Jy ! Component: 150 - total flux cleaned = -0.000491151 Jy ! Component: 200 - total flux cleaned = -0.000492264 Jy ! Total flux subtracted in 200 components = -0.000492264 Jy ! Clean residual min=-0.009518 max=0.010740 Jy/beam ! Clean residual mean=-0.000036 rms=0.003259 Jy/beam ! Combined flux in latest and established models = 0.119036 Jy ! Adding 9 model components to the UV plane model. ! The established model now contains 49 components and 0.119036 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.392 mas, bmaj=5.751 mas, bpa=-15.68 degrees ! Estimated noise=2.33283 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000361909 Jy ! Component: 100 - total flux cleaned = 0.000560657 Jy ! Component: 150 - total flux cleaned = 0.000664702 Jy ! Component: 200 - total flux cleaned = 0.000732405 Jy ! Total flux subtracted in 200 components = 0.000732405 Jy ! Clean residual min=-0.009490 max=0.010899 Jy/beam ! Clean residual mean=-0.000028 rms=0.003117 Jy/beam ! Combined flux in latest and established models = 0.119768 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 7 model components to the UV plane model. ! The established model now contains 54 components and 0.119768 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.069153Jy sigma=0.969957 ! Fit after self-cal, rms=0.068989Jy sigma=0.969463 wmodel J0503-0638_X_2005_07_20_yyk\_map.mod ! Writing 54 model components to file: J0503-0638_X_2005_07_20_yyk_map.mod wobs J0503-0638_X_2005_07_20_yyk\_uvs.fits ! Writing UV FITS file: J0503-0638_X_2005_07_20_yyk_uvs.fits wwins J0503-0638_X_2005_07_20_yyk\_map.win ! wwins: Wrote 1 windows to J0503-0638_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 = 0.00058564 Jy ! Component: 100 - total flux cleaned = -6.47891e-05 Jy ! Component: 150 - total flux cleaned = 7.7221e-05 Jy ! Component: 200 - total flux cleaned = -0.000513552 Jy ! Component: 250 - total flux cleaned = -0.000834294 Jy ! Component: 300 - total flux cleaned = -0.000724867 Jy ! Component: 350 - total flux cleaned = -0.000627018 Jy ! Component: 400 - total flux cleaned = -0.000632618 Jy ! Component: 450 - total flux cleaned = -0.000798916 Jy ! Component: 500 - total flux cleaned = -0.000564956 Jy ! Component: 550 - total flux cleaned = 3.13479e-05 Jy ! Component: 600 - total flux cleaned = 0.000601238 Jy ! Component: 650 - total flux cleaned = 0.000602636 Jy ! Component: 700 - total flux cleaned = 0.000604077 Jy ! Component: 750 - total flux cleaned = 0.000798879 Jy ! Component: 800 - total flux cleaned = 0.000922993 Jy ! Component: 850 - total flux cleaned = 0.00116755 Jy ! Component: 900 - total flux cleaned = 0.00110769 Jy ! Component: 950 - total flux cleaned = 0.00116602 Jy ! Component: 1000 - total flux cleaned = 0.00105062 Jy ! Total flux subtracted in 1024 components = 0.0012197 Jy ! Clean residual min=-0.003356 max=0.003257 Jy/beam ! Clean residual mean=-0.000004 rms=0.001225 Jy/beam ! Combined flux in latest and established models = 0.120988 Jy keep ! Adding 60 model components to the UV plane model. ! The established model now contains 114 components and 0.120988 Jy ![Exited script file: muppet] wmap "J0503-0638_X_2005_07_20_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.392 x 5.751 at -15.68 degrees (North through East) ! Clean map min=-0.006169 max=0.091808 Jy/beam ! Writing clean map to FITS file: J0503-0638_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 0.0918076 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00120146 device "J0503-0638_X_2005_07_20_yyk\_map.eps/VPS" ! Attempting to open device: 'J0503-0638_X_2005_07_20_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -3.92601 3.92601 7.85203 15.7041 31.4081 62.8162 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0036 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: 2.392 x 5.751 at -15.68 degrees (North through East) ! Clean map min=-0.006169 max=0.091808 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0503-0638_X_2005_07_20_yyk\_map.gif/gif" ! Attempting to open device: 'J0503-0638_X_2005_07_20_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0503-0638_X_2005_07_20_yyk_uvs.log closed on Fri Jan 20 11:16:23 2006