! Started logfile: J0819-0630_X_2005_06_01_yyk_uvs.log on Sat Oct 8 22:56:00 2005 obs J0819-0630_X_2005_06_01_yyk_uve.fits ! Reading UV FITS file: J0819-0630_X_2005_06_01_yyk_uve.fits ! AN table 1: 19 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.430409 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0819-0630 ! ! 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 1619 lines of history. ! ! Reading 1472 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 J0819-0630_X_2005_06_01_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)= 0.0957554 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=1.705 mas, bmaj=4.047 mas, bpa=8.913 degrees ! Estimated noise=1.65411 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 = 0.0651946 Jy ! Component: 100 - total flux cleaned = 0.0790056 Jy ! Total flux subtracted in 100 components = 0.0790056 Jy ! Clean residual min=-0.005895 max=0.007755 Jy/beam ! Clean residual mean=0.000063 rms=0.001999 Jy/beam ! Combined flux in latest and established models = 0.0790056 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0790056 Jy ! ! Correcting IF 1. ! A total of 113 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 113 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 123 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 113 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.057528Jy sigma=1.039126 ! Fit after self-cal, rms=0.057345Jy sigma=1.035131 ! Inverting map and beam ! Estimated beam: bmin=1.705 mas, bmaj=4.047 mas, bpa=8.913 degrees ! Estimated noise=1.65411 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=2.005 mas, bmaj=4.246 mas, bpa=11.95 degrees ! Estimated noise=1.13832 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 = 0.0075512 Jy ! Component: 100 - total flux cleaned = 0.0113045 Jy ! Component: 150 - total flux cleaned = 0.0128676 Jy ! Component: 200 - total flux cleaned = 0.0138493 Jy ! Total flux subtracted in 200 components = 0.0138493 Jy ! Clean residual min=-0.003518 max=0.005353 Jy/beam ! Clean residual mean=0.000030 rms=0.001357 Jy/beam ! Combined flux in latest and established models = 0.0928549 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 22 components and 0.0928549 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.056657Jy sigma=1.019153 ! Fit after self-cal, rms=0.056633Jy sigma=1.018760 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.005 x 4.246 at 11.95 degrees (North through East) ! Clean map min=-0.003333 max=0.077093 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: 1.02557 ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 HN 0.96 KP 0.90 ! LA 1.05 MK 1.00* NL 1.00 OV 0.87 ! PT 0.97 SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 0.988189 ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 1.04 HN 1.02 KP 0.87 ! LA 0.94 MK 1.00* NL 1.08 OV 1.00 ! PT 1.01 SC 1.00* ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 1.00285 ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.06 HN 1.00* KP 0.91 ! LA 0.99 MK 1.00* NL 0.97 OV 1.09 ! PT 0.93 SC 1.00* ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.99247 ! Telescope amplitude corrections in sub-array 1: ! BR 0.86 FD 1.00 HN 0.88 KP 1.06 ! LA 1.11 MK 1.00* NL 1.02 OV 1.04 ! PT 1.10 SC 1.00* ! ! ! Fit before self-cal, rms=0.056633Jy sigma=1.018760 ! Fit after self-cal, rms=0.055667Jy sigma=1.007169 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=0.055667Jy sigma=1.007169 ! Fit after self-cal, rms=0.055668Jy sigma=1.007131 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.995 mas, bmaj=4.247 mas, bpa=10.97 degrees ! Estimated noise=1.1331 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 = -0.000228677 Jy ! Component: 100 - total flux cleaned = -0.000382668 Jy ! Component: 150 - total flux cleaned = -0.000349747 Jy ! Component: 200 - total flux cleaned = -0.00026097 Jy ! Total flux subtracted in 200 components = -0.00026097 Jy ! Clean residual min=-0.003467 max=0.004655 Jy/beam ! Clean residual mean=0.000024 rms=0.001189 Jy/beam ! Combined flux in latest and established models = 0.0925939 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 31 components and 0.0925939 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055636Jy sigma=1.006217 ! Fit after self-cal, rms=0.055623Jy sigma=1.006090 ! 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=0.055623Jy sigma=1.006090 ! Fit after self-cal, rms=0.053072Jy sigma=0.954732 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 = 0.001852 Jy ! Component: 100 - total flux cleaned = 0.0020129 Jy ! Component: 150 - total flux cleaned = 0.0020385 Jy ! Component: 200 - total flux cleaned = 0.00210944 Jy ! Total flux subtracted in 200 components = 0.00210944 Jy ! Clean residual min=-0.003543 max=0.004289 Jy/beam ! Clean residual mean=0.000020 rms=0.001186 Jy/beam ! Combined flux in latest and established models = 0.0947034 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 37 components and 0.0947034 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.053008Jy sigma=0.953587 ! Fit after self-cal, rms=0.052887Jy sigma=0.949863 ! 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: 1.995 x 4.247 at 10.97 degrees (North through East) ! Clean map min=-0.00343 max=0.078746 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=2.45 mas, bmaj=4.575 mas, bpa=10.9 degrees ! Estimated noise=1.18426 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 = 3.27512e-05 Jy ! Component: 100 - total flux cleaned = 6.46516e-05 Jy ! Component: 150 - total flux cleaned = 6.47077e-05 Jy ! Component: 200 - total flux cleaned = 6.47851e-05 Jy ! Total flux subtracted in 200 components = 6.47851e-05 Jy ! Clean residual min=-0.003523 max=0.004235 Jy/beam ! Clean residual mean=0.000025 rms=0.001222 Jy/beam ! Combined flux in latest and established models = 0.0947682 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 43 components and 0.0947682 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052875Jy sigma=0.949613 ! Fit after self-cal, rms=0.052905Jy sigma=0.949046 ! 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=1.683 mas, bmaj=4.027 mas, bpa=8.736 degrees ! Estimated noise=1.62713 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0666844 Jy ! Component: 100 - total flux cleaned = 0.0815624 Jy ! Component: 150 - total flux cleaned = 0.0883402 Jy ! Component: 200 - total flux cleaned = 0.0919531 Jy ! Total flux subtracted in 200 components = 0.0919531 Jy ! Clean residual min=-0.005068 max=0.005338 Jy/beam ! Clean residual mean=0.000025 rms=0.001586 Jy/beam ! Combined flux in latest and established models = 0.0919531 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.0919531 Jy ! Inverting map and beam ! Estimated beam: bmin=1.995 mas, bmaj=4.247 mas, bpa=10.97 degrees ! Estimated noise=1.1331 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 = 0.00121012 Jy ! Component: 100 - total flux cleaned = 0.00179943 Jy ! Component: 150 - total flux cleaned = 0.00209161 Jy ! Component: 200 - total flux cleaned = 0.00233687 Jy ! Total flux subtracted in 200 components = 0.00233687 Jy ! Clean residual min=-0.003655 max=0.004288 Jy/beam ! Clean residual mean=0.000020 rms=0.001208 Jy/beam ! Combined flux in latest and established models = 0.09429 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 28 components and 0.09429 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=2.45 mas, bmaj=4.575 mas, bpa=10.9 degrees ! Estimated noise=1.18426 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 = 0.000197233 Jy ! Component: 100 - total flux cleaned = 0.00019817 Jy ! Component: 150 - total flux cleaned = 0.000199043 Jy ! Component: 200 - total flux cleaned = 0.000199372 Jy ! Total flux subtracted in 200 components = 0.000199372 Jy ! Clean residual min=-0.003568 max=0.004315 Jy/beam ! Clean residual mean=0.000025 rms=0.001239 Jy/beam ! Combined flux in latest and established models = 0.0944893 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 36 components and 0.0944893 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.995 mas, bmaj=4.247 mas, bpa=10.97 degrees ! Estimated noise=1.1331 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000209407 Jy ! Component: 100 - total flux cleaned = -0.000113291 Jy ! Component: 150 - total flux cleaned = -8.2543e-05 Jy ! Component: 200 - total flux cleaned = 3.38764e-06 Jy ! Total flux subtracted in 200 components = 3.38764e-06 Jy ! Clean residual min=-0.003645 max=0.004149 Jy/beam ! Clean residual mean=0.000020 rms=0.001174 Jy/beam ! Combined flux in latest and established models = 0.0944927 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 41 components and 0.0944927 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052908Jy sigma=0.949410 ! Fit after self-cal, rms=0.052936Jy sigma=0.949267 wmodel J0819-0630_X_2005_06_01_yyk\_map.mod ! Writing 41 model components to file: J0819-0630_X_2005_06_01_yyk_map.mod wobs J0819-0630_X_2005_06_01_yyk\_uvs.fits ! Writing UV FITS file: J0819-0630_X_2005_06_01_yyk_uvs.fits wwins J0819-0630_X_2005_06_01_yyk\_map.win ! wwins: Wrote 1 windows to J0819-0630_X_2005_06_01_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 = 0.00181084 Jy ! Component: 100 - total flux cleaned = 0.00230878 Jy ! Component: 150 - total flux cleaned = 0.00242162 Jy ! Component: 200 - total flux cleaned = 0.0025728 Jy ! Component: 250 - total flux cleaned = 0.00271523 Jy ! Component: 300 - total flux cleaned = 0.0027147 Jy ! Component: 350 - total flux cleaned = 0.00280018 Jy ! Component: 400 - total flux cleaned = 0.00296081 Jy ! Component: 450 - total flux cleaned = 0.00288721 Jy ! Component: 500 - total flux cleaned = 0.00288853 Jy ! Component: 550 - total flux cleaned = 0.00281917 Jy ! Component: 600 - total flux cleaned = 0.0026233 Jy ! Component: 650 - total flux cleaned = 0.00253087 Jy ! Component: 700 - total flux cleaned = 0.00241163 Jy ! Component: 750 - total flux cleaned = 0.00223831 Jy ! Component: 800 - total flux cleaned = 0.00201511 Jy ! Component: 850 - total flux cleaned = 0.00185402 Jy ! Component: 900 - total flux cleaned = 0.00162114 Jy ! Component: 950 - total flux cleaned = 0.00144625 Jy ! Component: 1000 - total flux cleaned = 0.00134859 Jy ! Total flux subtracted in 1024 components = 0.00130099 Jy ! Clean residual min=-0.001654 max=0.001380 Jy/beam ! Clean residual mean=0.000001 rms=0.000489 Jy/beam ! Combined flux in latest and established models = 0.0957937 Jy keep ! Adding 58 model components to the UV plane model. ! The established model now contains 99 components and 0.0957937 Jy ![Exited script file: muppet] wmap "J0819-0630_X_2005_06_01_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.995 x 4.247 at 10.97 degrees (North through East) ! Clean map min=-0.0026128 max=0.078849 Jy/beam ! Writing clean map to FITS file: J0819-0630_X_2005_06_01_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0788486 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000485276 device "J0819-0630_X_2005_06_01_yyk\_map.eps/VPS" ! Attempting to open device: 'J0819-0630_X_2005_06_01_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -1.84636 1.84636 3.69272 7.38544 14.7709 29.5418 59.0835 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0014 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.078 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.995 x 4.247 at 10.97 degrees (North through East) ! Clean map min=-0.0026128 max=0.078849 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0819-0630_X_2005_06_01_yyk\_map.gif/gif" ! Attempting to open device: 'J0819-0630_X_2005_06_01_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0819-0630_X_2005_06_01_yyk_uvs.log closed on Sat Oct 8 22:56:01 2005