! Started logfile: J0038+8447_S_2006_02_16_yyk_uvs.log on Wed Jul 5 11:00:01 2006 obs J0038+8447_S_2006_02_16_yyk_uva.fits ! Reading UV FITS file: J0038+8447_S_2006_02_16_yyk_uva.fits ! AN table 1: 880 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.331919 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0038+8447 ! ! 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 52576 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 J0038+8447_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)= 0.123652 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=8.624 mas, bmaj=22.48 mas, bpa=50.16 degrees ! Estimated noise=1.90851 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 = 0.0859356 Jy ! Component: 100 - total flux cleaned = 0.114579 Jy ! Total flux subtracted in 100 components = 0.114579 Jy ! Clean residual min=-0.011834 max=0.012074 Jy/beam ! Clean residual mean=0.001222 rms=0.006617 Jy/beam ! Combined flux in latest and established models = 0.114579 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 44 model components to the UV plane model. ! The established model now contains 44 components and 0.114579 Jy ! ! Correcting IF 1. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.065321Jy sigma=1.222959 ! Fit after self-cal, rms=0.064938Jy sigma=1.215419 ! Inverting map and beam ! Estimated beam: bmin=8.624 mas, bmaj=22.48 mas, bpa=50.16 degrees ! Estimated noise=1.90851 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=8.831 mas, bmaj=23.83 mas, bpa=47.62 degrees ! Estimated noise=1.09264 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 = 0.00870753 Jy ! Component: 100 - total flux cleaned = 0.00926404 Jy ! Component: 150 - total flux cleaned = 0.0084072 Jy ! Component: 200 - total flux cleaned = 0.00726431 Jy ! Total flux subtracted in 200 components = 0.00726431 Jy ! Clean residual min=-0.004509 max=0.004528 Jy/beam ! Clean residual mean=0.000445 rms=0.002738 Jy/beam ! Combined flux in latest and established models = 0.121843 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 121 model components to the UV plane model. ! The established model now contains 164 components and 0.121843 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.057563Jy sigma=1.069565 ! Fit after self-cal, rms=0.057493Jy sigma=1.068390 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 8.831 x 23.83 at 47.62 degrees (North through East) ! Clean map min=-0.01187 max=0.093686 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: 1.01383 ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.95 HN 1.00* KP 1.07 ! LA 0.94 MK 1.00* NL 1.00* OV 1.05 ! PT 0.92 SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.01993 ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.02 HN 1.00* KP 1.04 ! LA 0.99 MK 1.00* NL 1.00* OV 0.89 ! PT 0.91 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=0.057493Jy sigma=1.068390 ! Fit after self-cal, rms=0.056839Jy sigma=1.057071 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=0.056839Jy sigma=1.057071 ! Fit after self-cal, rms=0.056833Jy sigma=1.056944 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=8.805 mas, bmaj=24.07 mas, bpa=47.58 degrees ! Estimated noise=1.07119 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 = -0.000139449 Jy ! Component: 100 - total flux cleaned = 6.27257e-05 Jy ! Component: 150 - total flux cleaned = 0.000278912 Jy ! Component: 200 - total flux cleaned = 0.000449302 Jy ! Total flux subtracted in 200 components = 0.000449302 Jy ! Clean residual min=-0.002085 max=0.002074 Jy/beam ! Clean residual mean=0.000127 rms=0.001190 Jy/beam ! Combined flux in latest and established models = 0.122293 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 105 model components to the UV plane model. ! The established model now contains 266 components and 0.122293 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055335Jy sigma=1.029993 ! Fit after self-cal, rms=0.055308Jy sigma=1.029642 ! 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=0.055308Jy sigma=1.029642 ! Fit after self-cal, rms=0.052055Jy sigma=0.958976 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 = 0.00184029 Jy ! Component: 100 - total flux cleaned = 0.00156346 Jy ! Component: 150 - total flux cleaned = 0.00125293 Jy ! Component: 200 - total flux cleaned = 0.000606698 Jy ! Total flux subtracted in 200 components = 0.000606698 Jy ! Clean residual min=-0.001100 max=0.001096 Jy/beam ! Clean residual mean=0.000067 rms=0.000645 Jy/beam ! Combined flux in latest and established models = 0.122899 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 125 model components to the UV plane model. ! The established model now contains 387 components and 0.122899 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051166Jy sigma=0.948773 ! Fit after self-cal, rms=0.051049Jy sigma=0.945711 ! 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: 8.805 x 24.07 at 47.58 degrees (North through East) ! Clean map min=-0.010541 max=0.094182 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=9.66 mas, bmaj=23.89 mas, bpa=46.55 degrees ! Estimated noise=1.08815 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 = -0.000368417 Jy ! Component: 100 - total flux cleaned = -0.000529607 Jy ! Component: 150 - total flux cleaned = -0.000669538 Jy ! Component: 200 - total flux cleaned = -0.000672481 Jy ! Total flux subtracted in 200 components = -0.000672481 Jy ! Clean residual min=-0.000769 max=0.000770 Jy/beam ! Clean residual mean=-0.000000 rms=0.000417 Jy/beam ! Combined flux in latest and established models = 0.122227 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 93 model components to the UV plane model. ! The established model now contains 462 components and 0.122227 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.050748Jy sigma=0.942581 ! Fit after self-cal, rms=0.050737Jy sigma=0.942313 ! 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=8.621 mas, bmaj=22.66 mas, bpa=50.08 degrees ! Estimated noise=1.86963 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0860964 Jy ! Component: 100 - total flux cleaned = 0.113846 Jy ! Component: 150 - total flux cleaned = 0.125613 Jy ! Component: 200 - total flux cleaned = 0.125703 Jy ! Total flux subtracted in 200 components = 0.125703 Jy ! Clean residual min=-0.006252 max=0.006154 Jy/beam ! Clean residual mean=0.000651 rms=0.003629 Jy/beam ! Combined flux in latest and established models = 0.125703 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 85 model components to the UV plane model. ! The established model now contains 85 components and 0.125703 Jy ! Inverting map and beam ! Estimated beam: bmin=8.805 mas, bmaj=24.07 mas, bpa=47.58 degrees ! Estimated noise=1.07119 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 = -0.00163147 Jy ! Component: 100 - total flux cleaned = -0.00346955 Jy ! Component: 150 - total flux cleaned = -0.00523987 Jy ! Component: 200 - total flux cleaned = -0.00521862 Jy ! Total flux subtracted in 200 components = -0.00521862 Jy ! Clean residual min=-0.002880 max=0.002932 Jy/beam ! Clean residual mean=0.000245 rms=0.001675 Jy/beam ! Combined flux in latest and established models = 0.120484 Jy ! Adding 120 model components to the UV plane model. ! The established model now contains 205 components and 0.120484 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=9.66 mas, bmaj=23.89 mas, bpa=46.55 degrees ! Estimated noise=1.08815 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 = -0.000175457 Jy ! Component: 100 - total flux cleaned = -0.000352529 Jy ! Component: 150 - total flux cleaned = -0.00113262 Jy ! Component: 200 - total flux cleaned = -0.00205611 Jy ! Total flux subtracted in 200 components = -0.00205611 Jy ! Clean residual min=-0.001552 max=0.001555 Jy/beam ! Clean residual mean=0.000122 rms=0.000947 Jy/beam ! Combined flux in latest and established models = 0.118428 Jy ! Adding 115 model components to the UV plane model. ! The established model now contains 313 components and 0.118428 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=8.805 mas, bmaj=24.07 mas, bpa=47.58 degrees ! Estimated noise=1.07119 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00057699 Jy ! Component: 100 - total flux cleaned = 0.000222726 Jy ! Component: 150 - total flux cleaned = -9.06783e-05 Jy ! Component: 200 - total flux cleaned = -0.000442488 Jy ! Total flux subtracted in 200 components = -0.000442488 Jy ! Clean residual min=-0.000849 max=0.000862 Jy/beam ! Clean residual mean=0.000016 rms=0.000466 Jy/beam ! Combined flux in latest and established models = 0.117985 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 102 model components to the UV plane model. ! The established model now contains 409 components and 0.117985 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.050806Jy sigma=0.943081 ! Fit after self-cal, rms=0.050792Jy sigma=0.942930 wmodel J0038+8447_S_2006_02_16_yyk\_map.mod ! Writing 409 model components to file: J0038+8447_S_2006_02_16_yyk_map.mod wobs J0038+8447_S_2006_02_16_yyk\_uvs.fits ! Writing UV FITS file: J0038+8447_S_2006_02_16_yyk_uvs.fits wwins J0038+8447_S_2006_02_16_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0038+8447_S_2006_02_16_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 8.805 x 24.07 at 47.58 degrees (North through East) ! Clean map min=-0.011112 max=0.093981 Jy/beam ! Writing clean map to FITS file: J0038+8447_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 0.0939811 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000454778 device "J0038+8447_S_2006_02_16_yyk\_map.eps/VPS" ! Attempting to open device: 'J0038+8447_S_2006_02_16_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.45171 1.45171 2.90342 5.80684 11.6137 23.2274 46.4547 92.9094 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0013 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.093 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 8.805 x 24.07 at 47.58 degrees (North through East) ! Clean map min=-0.011112 max=0.093981 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0038+8447_S_2006_02_16_yyk\_map.gif/gif" ! Attempting to open device: 'J0038+8447_S_2006_02_16_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0038+8447_S_2006_02_16_yyk_uvs.log closed on Wed Jul 5 11:00:27 2006