! Started logfile: J0228-3719_S_2002_05_14_yyk_uvs.log on Tue Jun 26 22:02:15 2007 obs J0228-3719_S_2002_05_14_yyk_uva.fits ! Reading UV FITS file: J0228-3719_S_2002_05_14_yyk_uva.fits ! AN table 1: 37 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.456456 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0228-3719 ! ! 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 2.22947e+09 8e+06 1 8e+06 ! 02 2 2.25947e+09 8e+06 1 8e+06 ! 03 3 2.34947e+09 8e+06 1 8e+06 ! 04 4 2.36947e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1153 lines of history. ! ! Reading 3040 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 J0228-3719_S_2002_05_14_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. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.308069 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=2.882 mas, bmaj=25.08 mas, bpa=24.41 degrees ! Estimated noise=2946.56 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 = 0.0582654 Jy ! Component: 100 - total flux cleaned = 0.0757221 Jy ! Total flux subtracted in 100 components = 0.0757221 Jy ! Clean residual min=-0.012890 max=0.012874 Jy/beam ! Clean residual mean=0.000395 rms=0.005257 Jy/beam ! Combined flux in latest and established models = 0.0757221 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 39 model components to the UV plane model. ! The established model now contains 39 components and 0.0757221 Jy ! ! Correcting IF 1. ! A total of 114 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 114 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 122 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 114 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.300359Jy sigma=0.001431 ! Fit after self-cal, rms=0.300259Jy sigma=0.001430 ! Inverting map and beam ! Estimated beam: bmin=2.882 mas, bmaj=25.08 mas, bpa=24.41 degrees ! Estimated noise=2946.56 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=3.742 mas, bmaj=27.95 mas, bpa=23.58 degrees ! Estimated noise=2418.63 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 = 0.0198298 Jy ! Component: 100 - total flux cleaned = 0.0230041 Jy ! Component: 150 - total flux cleaned = 0.0235195 Jy ! Component: 200 - total flux cleaned = 0.0199368 Jy ! Total flux subtracted in 200 components = 0.0199368 Jy ! Clean residual min=-0.004705 max=0.004652 Jy/beam ! Clean residual mean=0.000277 rms=0.002134 Jy/beam ! Combined flux in latest and established models = 0.0956589 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 69 model components to the UV plane model. ! The established model now contains 108 components and 0.0956589 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.298475Jy sigma=0.001419 ! Fit after self-cal, rms=0.298437Jy sigma=0.001418 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.742 x 27.95 at 23.58 degrees (North through East) ! Clean map min=-0.0095542 max=0.049221 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 1.00* ! ! ! Fit before self-cal, rms=0.298437Jy sigma=0.001418 ! Fit after self-cal, rms=0.298437Jy sigma=0.001418 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=0.298437Jy sigma=0.001418 ! Fit after self-cal, rms=0.298433Jy sigma=0.001418 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.742 mas, bmaj=27.95 mas, bpa=23.58 degrees ! Estimated noise=2418.63 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 = 0.00716683 Jy ! Component: 100 - total flux cleaned = 0.00961396 Jy ! Component: 150 - total flux cleaned = 0.00886724 Jy ! Component: 200 - total flux cleaned = 0.00814901 Jy ! Total flux subtracted in 200 components = 0.00814901 Jy ! Clean residual min=-0.002895 max=0.002876 Jy/beam ! Clean residual mean=0.000150 rms=0.001261 Jy/beam ! Combined flux in latest and established models = 0.103808 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 59 model components to the UV plane model. ! The established model now contains 164 components and 0.103808 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.297980Jy sigma=0.001416 ! Fit after self-cal, rms=0.297985Jy sigma=0.001416 ! 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=0.297985Jy sigma=0.001416 ! Fit after self-cal, rms=0.296685Jy sigma=0.001409 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 = 0.00423532 Jy ! Component: 100 - total flux cleaned = 0.00472808 Jy ! Component: 150 - total flux cleaned = 0.00478862 Jy ! Component: 200 - total flux cleaned = 0.00511395 Jy ! Total flux subtracted in 200 components = 0.00511395 Jy ! Clean residual min=-0.003818 max=0.003862 Jy/beam ! Clean residual mean=-0.000025 rms=0.001693 Jy/beam ! Combined flux in latest and established models = 0.108922 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 76 model components to the UV plane model. ! The established model now contains 239 components and 0.108922 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.295657Jy sigma=0.001405 ! Fit after self-cal, rms=0.295173Jy sigma=0.001403 ! 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: 3.742 x 27.95 at 23.58 degrees (North through East) ! Clean map min=-0.0092831 max=0.047707 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=8.899 mas, bmaj=41.64 mas, bpa=11.69 degrees ! Estimated noise=2815.87 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 = -3.19601e-05 Jy ! Component: 100 - total flux cleaned = -6.37904e-06 Jy ! Component: 150 - total flux cleaned = 0.000839344 Jy ! Component: 200 - total flux cleaned = 0.00186608 Jy ! Total flux subtracted in 200 components = 0.00186608 Jy ! Clean residual min=-0.003125 max=0.003130 Jy/beam ! Clean residual mean=-0.000035 rms=0.001306 Jy/beam ! Combined flux in latest and established models = 0.110788 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 58 model components to the UV plane model. ! The established model now contains 293 components and 0.110788 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.294632Jy sigma=0.001401 ! Fit after self-cal, rms=0.294402Jy sigma=0.001400 ! 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=2.882 mas, bmaj=25.08 mas, bpa=24.41 degrees ! Estimated noise=2946.56 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0677689 Jy ! Component: 100 - total flux cleaned = 0.0892475 Jy ! Component: 150 - total flux cleaned = 0.0953972 Jy ! Component: 200 - total flux cleaned = 0.0978268 Jy ! Total flux subtracted in 200 components = 0.0978268 Jy ! Clean residual min=-0.009948 max=0.009939 Jy/beam ! Clean residual mean=0.000093 rms=0.004272 Jy/beam ! Combined flux in latest and established models = 0.0978268 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 58 model components to the UV plane model. ! The established model now contains 58 components and 0.0978268 Jy ! Inverting map and beam ! Estimated beam: bmin=3.742 mas, bmaj=27.95 mas, bpa=23.58 degrees ! Estimated noise=2418.63 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 = 0.00616837 Jy ! Component: 100 - total flux cleaned = 0.00759227 Jy ! Component: 150 - total flux cleaned = 0.0100895 Jy ! Component: 200 - total flux cleaned = 0.0112198 Jy ! Total flux subtracted in 200 components = 0.0112198 Jy ! Clean residual min=-0.004330 max=0.004320 Jy/beam ! Clean residual mean=0.000141 rms=0.002030 Jy/beam ! Combined flux in latest and established models = 0.109047 Jy ! Adding 79 model components to the UV plane model. ! The established model now contains 135 components and 0.109047 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=8.899 mas, bmaj=41.64 mas, bpa=11.69 degrees ! Estimated noise=2815.87 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 = -0.00261768 Jy ! Component: 100 - total flux cleaned = -0.00239976 Jy ! Component: 150 - total flux cleaned = -0.00112248 Jy ! Component: 200 - total flux cleaned = -0.00161765 Jy ! Total flux subtracted in 200 components = -0.00161765 Jy ! Clean residual min=-0.003075 max=0.003060 Jy/beam ! Clean residual mean=0.000029 rms=0.001452 Jy/beam ! Combined flux in latest and established models = 0.107429 Jy ! Adding 67 model components to the UV plane model. ! The established model now contains 201 components and 0.107429 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.742 mas, bmaj=27.95 mas, bpa=23.58 degrees ! Estimated noise=2418.63 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00230996 Jy ! Component: 100 - total flux cleaned = 0.000774321 Jy ! Component: 150 - total flux cleaned = 0.000757593 Jy ! Component: 200 - total flux cleaned = 0.00119738 Jy ! Total flux subtracted in 200 components = 0.00119738 Jy ! Clean residual min=-0.002660 max=0.002667 Jy/beam ! Clean residual mean=0.000023 rms=0.001144 Jy/beam ! Combined flux in latest and established models = 0.108626 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 44 model components to the UV plane model. ! The established model now contains 241 components and 0.108626 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.293470Jy sigma=0.001396 ! Fit after self-cal, rms=0.293174Jy sigma=0.001395 wmodel J0228-3719_S_2002_05_14_yyk\_map.mod ! Writing 241 model components to file: J0228-3719_S_2002_05_14_yyk_map.mod wobs J0228-3719_S_2002_05_14_yyk\_uvs.fits ! Writing UV FITS file: J0228-3719_S_2002_05_14_yyk_uvs.fits wwins J0228-3719_S_2002_05_14_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0228-3719_S_2002_05_14_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.742 x 27.95 at 23.58 degrees (North through East) ! Clean map min=-0.012659 max=0.03404 Jy/beam ! Writing clean map to FITS file: J0228-3719_S_2002_05_14_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0340403 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00138592 device "J0228-3719_S_2002_05_14_yyk\_map.eps/VPS" ! Attempting to open device: 'J0228-3719_S_2002_05_14_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -12.2142 12.2142 24.4284 48.8568 97.7137 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0041 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.034 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.742 x 27.95 at 23.58 degrees (North through East) ! Clean map min=-0.012659 max=0.03404 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0228-3719_S_2002_05_14_yyk\_map.gif/gif" ! Attempting to open device: 'J0228-3719_S_2002_05_14_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0228-3719_S_2002_05_14_yyk_uvs.log closed on Tue Jun 26 22:02:20 2007