! Started logfile: J0806+8126_S_2006_02_16_yyk_uvs.log on Wed Jul 5 11:43:48 2006 obs J0806+8126_S_2006_02_16_yyk_uva.fits ! Reading UV FITS file: J0806+8126_S_2006_02_16_yyk_uva.fits ! AN table 1: 859 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.325288 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0806+8126 ! ! 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2421 lines of history. ! ! Reading 50296 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 J0806+8126_S_2006_02_16_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 0.500x0.500 milli-arcsec cellsize. uvav time_av, true ! Averaging into 30 second bins. ! 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 phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.102579 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=7.936 mas, bmaj=23.82 mas, bpa=53.43 degrees ! Estimated noise=2.33968 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 = 0.0558642 Jy ! Component: 100 - total flux cleaned = 0.0769477 Jy ! Total flux subtracted in 100 components = 0.0769477 Jy ! Clean residual min=-0.008583 max=0.008802 Jy/beam ! Clean residual mean=0.000102 rms=0.003777 Jy/beam ! Combined flux in latest and established models = 0.0769477 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 24 model components to the UV plane model. ! The established model now contains 24 components and 0.0769477 Jy ! ! Correcting IF 1. ! A total of 70 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 70 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 70 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 70 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.072437Jy sigma=1.167790 ! Fit after self-cal, rms=0.072409Jy sigma=1.162116 ! Inverting map and beam ! Estimated beam: bmin=7.936 mas, bmaj=23.82 mas, bpa=53.43 degrees ! Estimated noise=2.33968 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=8.789 mas, bmaj=23.26 mas, bpa=54.36 degrees ! Estimated noise=1.09348 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 = 0.00930291 Jy ! Component: 100 - total flux cleaned = 0.0126356 Jy ! Component: 150 - total flux cleaned = 0.0123145 Jy ! Component: 200 - total flux cleaned = 0.0134838 Jy ! Total flux subtracted in 200 components = 0.0134838 Jy ! Clean residual min=-0.002676 max=0.002654 Jy/beam ! Clean residual mean=0.000047 rms=0.001294 Jy/beam ! Combined flux in latest and established models = 0.0904315 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 115 model components to the UV plane model. ! The established model now contains 134 components and 0.0904315 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068517Jy sigma=1.074862 ! Fit after self-cal, rms=0.068490Jy sigma=1.073755 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 8.789 x 23.26 at 54.36 degrees (North through East) ! Clean map min=-0.0071701 max=0.061638 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: 1.02581 ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.87 HN 1.00* KP 0.97 ! LA 0.98 MK 1.00* NL 1.00* OV 0.98 ! 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: 1.04894 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.86 HN 1.00* KP 0.91 ! LA 0.87 MK 1.00* NL 1.00* OV 0.98 ! PT 0.91 SC 1.00* ! ! ! Fit before self-cal, rms=0.068490Jy sigma=1.073755 ! Fit after self-cal, rms=0.066060Jy sigma=1.065982 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=0.066060Jy sigma=1.065982 ! Fit after self-cal, rms=0.066049Jy sigma=1.065781 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=8.78 mas, bmaj=23.43 mas, bpa=54.1 degrees ! Estimated noise=1.07059 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 = 2.35521e-05 Jy ! Component: 100 - total flux cleaned = 0.0014522 Jy ! Component: 150 - total flux cleaned = 0.00324768 Jy ! Component: 200 - total flux cleaned = 0.00503983 Jy ! Total flux subtracted in 200 components = 0.00503983 Jy ! Clean residual min=-0.001167 max=0.001186 Jy/beam ! Clean residual mean=0.000010 rms=0.000599 Jy/beam ! Combined flux in latest and established models = 0.0954713 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 86 model components to the UV plane model. ! The established model now contains 216 components and 0.0954713 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065731Jy sigma=1.057226 ! Fit after self-cal, rms=0.065720Jy sigma=1.056939 ! 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=0.065720Jy sigma=1.056939 ! Fit after self-cal, rms=0.060898Jy sigma=0.957561 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 = 0.00198797 Jy ! Component: 100 - total flux cleaned = 0.00157774 Jy ! Component: 150 - total flux cleaned = 0.00204039 Jy ! Component: 200 - total flux cleaned = 0.00318524 Jy ! Total flux subtracted in 200 components = 0.00318523 Jy ! Clean residual min=-0.000961 max=0.000973 Jy/beam ! Clean residual mean=0.000029 rms=0.000449 Jy/beam ! Combined flux in latest and established models = 0.0986565 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 86 model components to the UV plane model. ! The established model now contains 298 components and 0.0986566 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.060572Jy sigma=0.949018 ! Fit after self-cal, rms=0.059295Jy sigma=0.940762 ! 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: 8.78 x 23.43 at 54.1 degrees (North through East) ! Clean map min=-0.0058414 max=0.06342 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 = 20 mega-wavelengths. win_mult = win_mult * 1.4 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=9.758 mas, bmaj=23.32 mas, bpa=52.81 degrees ! Estimated noise=1.08945 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 = 0.000454192 Jy ! Component: 100 - total flux cleaned = 0.000855193 Jy ! Component: 150 - total flux cleaned = 0.001164 Jy ! Component: 200 - total flux cleaned = 0.00171687 Jy ! Total flux subtracted in 200 components = 0.00171687 Jy ! Clean residual min=-0.000658 max=0.000669 Jy/beam ! Clean residual mean=0.000031 rms=0.000320 Jy/beam ! Combined flux in latest and established models = 0.100373 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 89 model components to the UV plane model. ! The established model now contains 384 components and 0.100373 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059184Jy sigma=0.938128 ! Fit after self-cal, rms=0.058546Jy sigma=0.936396 ! 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=7.912 mas, bmaj=23.88 mas, bpa=53.23 degrees ! Estimated noise=2.27599 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0579217 Jy ! Component: 100 - total flux cleaned = 0.0806291 Jy ! Component: 150 - total flux cleaned = 0.083375 Jy ! Component: 200 - total flux cleaned = 0.0841715 Jy ! Total flux subtracted in 200 components = 0.0841715 Jy ! Clean residual min=-0.004207 max=0.004239 Jy/beam ! Clean residual mean=0.000035 rms=0.002059 Jy/beam ! Combined flux in latest and established models = 0.0841715 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 74 model components to the UV plane model. ! The established model now contains 74 components and 0.0841715 Jy ! Inverting map and beam ! Estimated beam: bmin=8.78 mas, bmaj=23.43 mas, bpa=54.1 degrees ! Estimated noise=1.07059 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 = 0.00310806 Jy ! Component: 100 - total flux cleaned = 0.00491536 Jy ! Component: 150 - total flux cleaned = 0.00512213 Jy ! Component: 200 - total flux cleaned = 0.00543284 Jy ! Total flux subtracted in 200 components = 0.00543284 Jy ! Clean residual min=-0.001867 max=0.001868 Jy/beam ! Clean residual mean=0.000020 rms=0.000868 Jy/beam ! Combined flux in latest and established models = 0.0896044 Jy ! Adding 93 model components to the UV plane model. ! The established model now contains 165 components and 0.0896044 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=9.758 mas, bmaj=23.32 mas, bpa=52.81 degrees ! Estimated noise=1.08945 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 = -0.000354955 Jy ! Component: 100 - total flux cleaned = 0.000211184 Jy ! Component: 150 - total flux cleaned = 0.000595376 Jy ! Component: 200 - total flux cleaned = 0.00118008 Jy ! Total flux subtracted in 200 components = 0.00118008 Jy ! Clean residual min=-0.000986 max=0.000969 Jy/beam ! Clean residual mean=0.000022 rms=0.000491 Jy/beam ! Combined flux in latest and established models = 0.0907845 Jy ! Adding 89 model components to the UV plane model. ! The established model now contains 251 components and 0.0907845 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=8.78 mas, bmaj=23.43 mas, bpa=54.1 degrees ! Estimated noise=1.07059 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000495107 Jy ! Component: 100 - total flux cleaned = 0.000752868 Jy ! Component: 150 - total flux cleaned = 0.000871737 Jy ! Component: 200 - total flux cleaned = 0.000931125 Jy ! Total flux subtracted in 200 components = 0.000931125 Jy ! Clean residual min=-0.000731 max=0.000730 Jy/beam ! Clean residual mean=0.000020 rms=0.000329 Jy/beam ! Combined flux in latest and established models = 0.0917156 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 60 model components to the UV plane model. ! The established model now contains 308 components and 0.0917156 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058567Jy sigma=0.936499 ! Fit after self-cal, rms=0.058240Jy sigma=0.935742 wmodel J0806+8126_S_2006_02_16_yyk\_map.mod ! Writing 308 model components to file: J0806+8126_S_2006_02_16_yyk_map.mod wobs J0806+8126_S_2006_02_16_yyk\_uvs.fits ! Writing UV FITS file: J0806+8126_S_2006_02_16_yyk_uvs.fits wwins J0806+8126_S_2006_02_16_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0806+8126_S_2006_02_16_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 8.78 x 23.43 at 54.1 degrees (North through East) ! Clean map min=-0.0071635 max=0.063061 Jy/beam ! Writing clean map to FITS file: J0806+8126_S_2006_02_16_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0630612 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000329243 device "J0806+8126_S_2006_02_16_yyk\_map.eps/VPS" ! Attempting to open device: 'J0806+8126_S_2006_02_16_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.5663 1.5663 3.1326 6.26521 12.5304 25.0608 50.1216 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0009 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.063 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 8.78 x 23.43 at 54.1 degrees (North through East) ! Clean map min=-0.0071635 max=0.063061 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0806+8126_S_2006_02_16_yyk\_map.gif/gif" ! Attempting to open device: 'J0806+8126_S_2006_02_16_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0806+8126_S_2006_02_16_yyk_uvs.log closed on Wed Jul 5 11:44:05 2006