! Started logfile: J1245-4128_S_2002_01_31_yyk_uvs.log on Tue Jun 26 22:46:34 2007 obs J1245-4128_S_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J1245-4128_S_2002_01_31_yyk_uva.fits ! AN table 1: 42 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.574074 visibilities/baseline/integration-bin. ! Found source: J1245-4128 ! ! 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 1224 lines of history. ! ! Reading 4340 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 J1245-4128_S_2002_01_31_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)= 0.326509 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=2.403 mas, bmaj=6.694 mas, bpa=2.524 degrees ! Estimated noise=2521.27 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 = 0.0500741 Jy ! Component: 100 - total flux cleaned = 0.0608794 Jy ! Total flux subtracted in 100 components = 0.0608794 Jy ! Clean residual min=-0.018749 max=0.019118 Jy/beam ! Clean residual mean=0.001126 rms=0.008255 Jy/beam ! Combined flux in latest and established models = 0.0608794 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 0.0608794 Jy ! ! Correcting IF 1. ! A total of 97 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 214 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 139 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 97 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.309939Jy sigma=0.001717 ! Fit after self-cal, rms=0.309751Jy sigma=0.001716 ! Inverting map and beam ! Estimated beam: bmin=2.403 mas, bmaj=6.694 mas, bpa=2.524 degrees ! Estimated noise=2521.27 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=3.066 mas, bmaj=8.872 mas, bpa=-2.575 degrees ! Estimated noise=1932.48 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 = 0.0641115 Jy ! Component: 100 - total flux cleaned = 0.0933125 Jy ! Component: 150 - total flux cleaned = 0.106912 Jy ! Component: 200 - total flux cleaned = 0.111569 Jy ! Total flux subtracted in 200 components = 0.111569 Jy ! Clean residual min=-0.013237 max=0.013168 Jy/beam ! Clean residual mean=0.001915 rms=0.007564 Jy/beam ! Combined flux in latest and established models = 0.172448 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 132 model components to the UV plane model. ! The established model now contains 159 components and 0.172448 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.297622Jy sigma=0.001623 ! Fit after self-cal, rms=0.297554Jy sigma=0.001622 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.066 x 8.872 at -2.575 degrees (North through East) ! Clean map min=-0.020703 max=0.06661 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* MK 1.00* NL 1.00* OV 1.00* ! 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 ! 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=0.297554Jy sigma=0.001622 ! Fit after self-cal, rms=0.297554Jy sigma=0.001622 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=0.297554Jy sigma=0.001622 ! Fit after self-cal, rms=0.297554Jy sigma=0.001622 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.066 mas, bmaj=8.872 mas, bpa=-2.575 degrees ! Estimated noise=1932.48 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 = 0.0170156 Jy ! Component: 100 - total flux cleaned = 0.0244442 Jy ! Component: 150 - total flux cleaned = 0.0330598 Jy ! Component: 200 - total flux cleaned = 0.0362387 Jy ! Total flux subtracted in 200 components = 0.0362387 Jy ! Clean residual min=-0.007448 max=0.007444 Jy/beam ! Clean residual mean=0.001533 rms=0.004266 Jy/beam ! Combined flux in latest and established models = 0.208687 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 123 model components to the UV plane model. ! The established model now contains 266 components and 0.208687 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.294790Jy sigma=0.001603 ! Fit after self-cal, rms=0.294778Jy sigma=0.001603 ! 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=0.294778Jy sigma=0.001603 ! Fit after self-cal, rms=0.293045Jy sigma=0.001595 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 = 0.00919311 Jy ! Component: 100 - total flux cleaned = 0.0182244 Jy ! Component: 150 - total flux cleaned = 0.0269621 Jy ! Component: 200 - total flux cleaned = 0.0340171 Jy ! Total flux subtracted in 200 components = 0.0340171 Jy ! Clean residual min=-0.004924 max=0.004907 Jy/beam ! Clean residual mean=0.001229 rms=0.002566 Jy/beam ! Combined flux in latest and established models = 0.242704 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 346 components and 0.242704 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.291618Jy sigma=0.001586 ! Fit after self-cal, rms=0.291467Jy sigma=0.001586 ! 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: 3.066 x 8.872 at -2.575 degrees (North through East) ! Clean map min=-0.014197 max=0.061003 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=9.878 mas, bmaj=36.87 mas, bpa=3.22 degrees ! Estimated noise=2450.23 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 = 0.0117065 Jy ! Component: 100 - total flux cleaned = 0.020218 Jy ! Component: 150 - total flux cleaned = 0.0285619 Jy ! Component: 200 - total flux cleaned = 0.0338009 Jy ! Total flux subtracted in 200 components = 0.0338009 Jy ! Clean residual min=-0.004852 max=0.004872 Jy/beam ! Clean residual mean=0.001438 rms=0.002588 Jy/beam ! Combined flux in latest and established models = 0.276505 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 413 components and 0.276505 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.290766Jy sigma=0.001581 ! Fit after self-cal, rms=0.290734Jy sigma=0.001581 ! 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=2.403 mas, bmaj=6.694 mas, bpa=2.524 degrees ! Estimated noise=2521.27 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0559808 Jy ! Component: 100 - total flux cleaned = 0.0848302 Jy ! Component: 150 - total flux cleaned = 0.106951 Jy ! Component: 200 - total flux cleaned = 0.124273 Jy ! Total flux subtracted in 200 components = 0.124273 Jy ! Clean residual min=-0.013964 max=0.014257 Jy/beam ! Clean residual mean=0.000985 rms=0.006496 Jy/beam ! Combined flux in latest and established models = 0.124273 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 69 model components to the UV plane model. ! The established model now contains 69 components and 0.124273 Jy ! Inverting map and beam ! Estimated beam: bmin=3.066 mas, bmaj=8.872 mas, bpa=-2.575 degrees ! Estimated noise=1932.48 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 = 0.0421603 Jy ! Component: 100 - total flux cleaned = 0.0603532 Jy ! Component: 150 - total flux cleaned = 0.0682975 Jy ! Component: 200 - total flux cleaned = 0.0728893 Jy ! Total flux subtracted in 200 components = 0.0728893 Jy ! Clean residual min=-0.010831 max=0.010881 Jy/beam ! Clean residual mean=0.001743 rms=0.006174 Jy/beam ! Combined flux in latest and established models = 0.197162 Jy ! Adding 139 model components to the UV plane model. ! The established model now contains 201 components and 0.197162 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=9.878 mas, bmaj=36.87 mas, bpa=3.22 degrees ! Estimated noise=2450.23 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 = 0.0236498 Jy ! Component: 100 - total flux cleaned = 0.0377356 Jy ! Component: 150 - total flux cleaned = 0.0476461 Jy ! Component: 200 - total flux cleaned = 0.0554118 Jy ! Total flux subtracted in 200 components = 0.0554118 Jy ! Clean residual min=-0.007951 max=0.008154 Jy/beam ! Clean residual mean=0.001962 rms=0.004775 Jy/beam ! Combined flux in latest and established models = 0.252574 Jy ! Adding 143 model components to the UV plane model. ! The established model now contains 338 components and 0.252574 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.066 mas, bmaj=8.872 mas, bpa=-2.575 degrees ! Estimated noise=1932.48 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00802498 Jy ! Component: 100 - total flux cleaned = 0.014707 Jy ! Component: 150 - total flux cleaned = 0.0203577 Jy ! Component: 200 - total flux cleaned = 0.0255383 Jy ! Total flux subtracted in 200 components = 0.0255383 Jy ! Clean residual min=-0.003852 max=0.003889 Jy/beam ! Clean residual mean=0.000879 rms=0.001855 Jy/beam ! Combined flux in latest and established models = 0.278112 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 397 components and 0.278112 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.290376Jy sigma=0.001579 ! Fit after self-cal, rms=0.290176Jy sigma=0.001578 wmodel J1245-4128_S_2002_01_31_yyk\_map.mod ! Writing 397 model components to file: J1245-4128_S_2002_01_31_yyk_map.mod wobs J1245-4128_S_2002_01_31_yyk\_uvs.fits ! Writing UV FITS file: J1245-4128_S_2002_01_31_yyk_uvs.fits wwins J1245-4128_S_2002_01_31_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J1245-4128_S_2002_01_31_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.066 x 8.872 at -2.575 degrees (North through East) ! Clean map min=-0.013696 max=0.049187 Jy/beam ! Writing clean map to FITS file: J1245-4128_S_2002_01_31_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0491869 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00199702 device "J1245-4128_S_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J1245-4128_S_2002_01_31_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -12.1802 12.1802 24.3604 48.7208 97.4417 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0059 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.049 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.066 x 8.872 at -2.575 degrees (North through East) ! Clean map min=-0.013696 max=0.049187 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1245-4128_S_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J1245-4128_S_2002_01_31_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1245-4128_S_2002_01_31_yyk_uvs.log closed on Tue Jun 26 22:46:38 2007