! Started logfile: J0540+7519_S_2006_02_16_yyk_uvs.log on Wed Jul 5 11:28:00 2006 obs J0540+7519_S_2006_02_16_yyk_uva.fits ! Reading UV FITS file: J0540+7519_S_2006_02_16_yyk_uva.fits ! AN table 1: 877 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.33118 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0540+7519 ! ! 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 52280 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 J0540+7519_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)= 0.106089 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=8.057 mas, bmaj=22.66 mas, bpa=56.57 degrees ! Estimated noise=1.66277 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 = 0.0478651 Jy ! Component: 100 - total flux cleaned = 0.05283 Jy ! Total flux subtracted in 100 components = 0.05283 Jy ! Clean residual min=-0.007318 max=0.007336 Jy/beam ! Clean residual mean=0.000539 rms=0.004506 Jy/beam ! Combined flux in latest and established models = 0.05283 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 49 model components to the UV plane model. ! The established model now contains 49 components and 0.05283 Jy ! ! Correcting IF 1. ! A total of 112 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 95 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 95 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.082575Jy sigma=1.162811 ! Fit after self-cal, rms=0.082442Jy sigma=1.160278 ! Inverting map and beam ! Estimated beam: bmin=8.057 mas, bmaj=22.66 mas, bpa=56.57 degrees ! Estimated noise=1.66277 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=8.982 mas, bmaj=22.73 mas, bpa=56.2 degrees ! Estimated noise=1.17823 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 = 0.00825075 Jy ! Component: 100 - total flux cleaned = 0.0127524 Jy ! Component: 150 - total flux cleaned = 0.0154755 Jy ! Component: 200 - total flux cleaned = 0.0182293 Jy ! Total flux subtracted in 200 components = 0.0182293 Jy ! Clean residual min=-0.003033 max=0.003026 Jy/beam ! Clean residual mean=0.000291 rms=0.002114 Jy/beam ! Combined flux in latest and established models = 0.0710593 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 162 model components to the UV plane model. ! The established model now contains 211 components and 0.0710593 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.078348Jy sigma=1.044859 ! Fit after self-cal, rms=0.078268Jy sigma=1.043717 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 8.982 x 22.73 at 56.2 degrees (North through East) ! Clean map min=-0.008193 max=0.048998 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: 1.00678 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.02 HN 1.00* KP 1.06 ! LA 0.94 MK 1.00* NL 1.00* OV 1.00* ! PT 0.91 SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 0.990945 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.10 HN 1.00* KP 1.04 ! LA 0.97 MK 1.00* NL 1.00* OV 1.12 ! PT 0.86 SC 1.00* ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 1.00125 ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 HN 1.00* KP 1.13 ! LA 0.84 MK 1.00* NL 1.00* OV 1.12 ! PT 0.88 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=0.078268Jy sigma=1.043717 ! Fit after self-cal, rms=0.077629Jy sigma=1.029424 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=0.077629Jy sigma=1.029424 ! Fit after self-cal, rms=0.077630Jy sigma=1.029267 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=9.117 mas, bmaj=24.23 mas, bpa=55.61 degrees ! Estimated noise=1.16179 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 = 0.00193427 Jy ! Component: 100 - total flux cleaned = 0.00182913 Jy ! Component: 150 - total flux cleaned = 0.00149115 Jy ! Component: 200 - total flux cleaned = 0.00161159 Jy ! Total flux subtracted in 200 components = 0.00161159 Jy ! Clean residual min=-0.001608 max=0.001627 Jy/beam ! Clean residual mean=-0.000008 rms=0.000544 Jy/beam ! Combined flux in latest and established models = 0.0726709 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 67 model components to the UV plane model. ! The established model now contains 278 components and 0.0726709 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077152Jy sigma=1.022227 ! Fit after self-cal, rms=0.077117Jy sigma=1.021677 ! 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=0.077117Jy sigma=1.021677 ! Fit after self-cal, rms=0.071514Jy sigma=0.924495 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 = 0.00185733 Jy ! Component: 100 - total flux cleaned = 0.00123151 Jy ! Component: 150 - total flux cleaned = 0.000718982 Jy ! Component: 200 - total flux cleaned = 0.0002556 Jy ! Total flux subtracted in 200 components = 0.0002556 Jy ! Clean residual min=-0.000697 max=0.000692 Jy/beam ! Clean residual mean=0.000000 rms=0.000306 Jy/beam ! Combined flux in latest and established models = 0.0729265 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 79 model components to the UV plane model. ! The established model now contains 356 components and 0.0729265 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.071016Jy sigma=0.917217 ! Fit after self-cal, rms=0.069524Jy sigma=0.904105 ! 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: 9.117 x 24.23 at 55.61 degrees (North through East) ! Clean map min=-0.006348 max=0.050179 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=10.5 mas, bmaj=24.35 mas, bpa=53.63 degrees ! Estimated noise=1.18553 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 = -0.00056961 Jy ! Component: 100 - total flux cleaned = -0.00134444 Jy ! Component: 150 - total flux cleaned = -0.00189054 Jy ! Component: 200 - total flux cleaned = -0.00213041 Jy ! Total flux subtracted in 200 components = -0.00213041 Jy ! Clean residual min=-0.000492 max=0.000483 Jy/beam ! Clean residual mean=-0.000000 rms=0.000223 Jy/beam ! Combined flux in latest and established models = 0.0707961 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 64 model components to the UV plane model. ! The established model now contains 406 components and 0.0707961 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.069394Jy sigma=0.902612 ! Fit after self-cal, rms=0.068898Jy sigma=0.899698 ! 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=8.052 mas, bmaj=23.49 mas, bpa=56.46 degrees ! Estimated noise=1.65568 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0533255 Jy ! Component: 100 - total flux cleaned = 0.0610283 Jy ! Component: 150 - total flux cleaned = 0.069969 Jy ! Component: 200 - total flux cleaned = 0.0765171 Jy ! Total flux subtracted in 200 components = 0.0765171 Jy ! Clean residual min=-0.003902 max=0.003960 Jy/beam ! Clean residual mean=0.000286 rms=0.002295 Jy/beam ! Combined flux in latest and established models = 0.0765171 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 90 model components to the UV plane model. ! The established model now contains 90 components and 0.0765171 Jy ! Inverting map and beam ! Estimated beam: bmin=9.117 mas, bmaj=24.23 mas, bpa=55.61 degrees ! Estimated noise=1.16179 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 = 0.00477765 Jy ! Component: 100 - total flux cleaned = 0.00736653 Jy ! Component: 150 - total flux cleaned = 0.00587143 Jy ! Component: 200 - total flux cleaned = 0.00557147 Jy ! Total flux subtracted in 200 components = 0.00557147 Jy ! Clean residual min=-0.001518 max=0.001506 Jy/beam ! Clean residual mean=0.000107 rms=0.000897 Jy/beam ! Combined flux in latest and established models = 0.0820886 Jy ! Adding 119 model components to the UV plane model. ! The established model now contains 207 components and 0.0820886 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=10.5 mas, bmaj=24.35 mas, bpa=53.63 degrees ! Estimated noise=1.18553 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 = 0.000405724 Jy ! Component: 100 - total flux cleaned = 0.000326267 Jy ! Component: 150 - total flux cleaned = -0.000227875 Jy ! Component: 200 - total flux cleaned = -0.000717541 Jy ! Total flux subtracted in 200 components = -0.000717541 Jy ! Clean residual min=-0.001248 max=0.001269 Jy/beam ! Clean residual mean=0.000014 rms=0.000498 Jy/beam ! Combined flux in latest and established models = 0.081371 Jy ! Adding 88 model components to the UV plane model. ! The established model now contains 286 components and 0.0813711 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=9.117 mas, bmaj=24.23 mas, bpa=55.61 degrees ! Estimated noise=1.16179 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00112724 Jy ! Component: 100 - total flux cleaned = -0.00192547 Jy ! Component: 150 - total flux cleaned = -0.00253133 Jy ! Component: 200 - total flux cleaned = -0.00299687 Jy ! Total flux subtracted in 200 components = -0.00299687 Jy ! Clean residual min=-0.000511 max=0.000495 Jy/beam ! Clean residual mean=0.000014 rms=0.000222 Jy/beam ! Combined flux in latest and established models = 0.0783742 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 59 model components to the UV plane model. ! The established model now contains 345 components and 0.0783742 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068867Jy sigma=0.900532 ! Fit after self-cal, rms=0.068643Jy sigma=0.899669 wmodel J0540+7519_S_2006_02_16_yyk\_map.mod ! Writing 345 model components to file: J0540+7519_S_2006_02_16_yyk_map.mod wobs J0540+7519_S_2006_02_16_yyk\_uvs.fits ! Writing UV FITS file: J0540+7519_S_2006_02_16_yyk_uvs.fits wwins J0540+7519_S_2006_02_16_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0540+7519_S_2006_02_16_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.117 x 24.23 at 55.61 degrees (North through East) ! Clean map min=-0.0049766 max=0.050063 Jy/beam ! Writing clean map to FITS file: J0540+7519_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 0.0500633 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000223464 device "J0540+7519_S_2006_02_16_yyk\_map.eps/VPS" ! Attempting to open device: 'J0540+7519_S_2006_02_16_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.33909 1.33909 2.67818 5.35635 10.7127 21.4254 42.8508 85.7017 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.05 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.117 x 24.23 at 55.61 degrees (North through East) ! Clean map min=-0.0049766 max=0.050063 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0540+7519_S_2006_02_16_yyk\_map.gif/gif" ! Attempting to open device: 'J0540+7519_S_2006_02_16_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0540+7519_S_2006_02_16_yyk_uvs.log closed on Wed Jul 5 11:28:21 2006