! Started logfile: J0045-3900_X_2002_01_31_yyk_uvs.log on Wed Jun 27 10:43:17 2007 obs J0045-3900_X_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J0045-3900_X_2002_01_31_yyk_uva.fits ! AN table 1: 38 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.766667 visibilities/baseline/integration-bin. ! Found source: J0045-3900 ! ! 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 8.40947e+09 8e+06 1 8e+06 ! 02 2 8.47947e+09 8e+06 1 8e+06 ! 03 3 8.79447e+09 8e+06 1 8e+06 ! 04 4 8.89947e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1544 lines of history. ! ! Reading 5244 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 flag NL ! Flagging baselines of antenna 1:NL in the currently selected channels. ![@muppet J0045-3900_X_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 0.200x0.200 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.210301 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=0.726 mas, bmaj=2.049 mas, bpa=9.692 degrees ! Estimated noise=3131.16 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 = 0.0715529 Jy ! Component: 100 - total flux cleaned = 0.0906522 Jy ! Total flux subtracted in 100 components = 0.0906522 Jy ! Clean residual min=-0.011665 max=0.011652 Jy/beam ! Clean residual mean=0.000230 rms=0.003915 Jy/beam ! Combined flux in latest and established models = 0.0906522 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 31 model components to the UV plane model. ! The established model now contains 31 components and 0.0906522 Jy ! ! Correcting IF 1. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 380 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 195 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.192865Jy sigma=0.001329 ! Fit after self-cal, rms=0.192313Jy sigma=0.001324 ! Inverting map and beam ! Estimated beam: bmin=0.726 mas, bmaj=2.049 mas, bpa=9.692 degrees ! Estimated noise=3131.78 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=0.8518 mas, bmaj=2.326 mas, bpa=6.027 degrees ! Estimated noise=2031.87 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 = 0.0176513 Jy ! Component: 100 - total flux cleaned = 0.02498 Jy ! Component: 150 - total flux cleaned = 0.0313029 Jy ! Component: 200 - total flux cleaned = 0.0334719 Jy ! Total flux subtracted in 200 components = 0.0334719 Jy ! Clean residual min=-0.004420 max=0.004432 Jy/beam ! Clean residual mean=0.000118 rms=0.001544 Jy/beam ! Combined flux in latest and established models = 0.124124 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 50 model components to the UV plane model. ! The established model now contains 80 components and 0.124124 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189848Jy sigma=0.001302 ! Fit after self-cal, rms=0.189796Jy sigma=0.001302 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8518 x 2.326 at 6.027 degrees (North through East) ! Clean map min=-0.0067553 max=0.044537 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 0.00* FD 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* OV 0.00* ! PT 0.00* SC 0.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 1.01305 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 HN 1.00* KP 0.93 ! LA 1.00* MK 1.00* NL 1.00* OV 1.02 ! PT 1.02 SC 0.93 ! ! ! Fit before self-cal, rms=0.189796Jy sigma=0.001302 ! Fit after self-cal, rms=0.188887Jy sigma=0.001302 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=0.188887Jy sigma=0.001302 ! Fit after self-cal, rms=0.188887Jy sigma=0.001302 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8469 mas, bmaj=2.317 mas, bpa=6.319 degrees ! Estimated noise=2029.53 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 = 0.00283889 Jy ! Component: 100 - total flux cleaned = 0.00511136 Jy ! Component: 150 - total flux cleaned = 0.00733691 Jy ! Component: 200 - total flux cleaned = 0.010586 Jy ! Total flux subtracted in 200 components = 0.010586 Jy ! Clean residual min=-0.002421 max=0.002453 Jy/beam ! Clean residual mean=0.000096 rms=0.000959 Jy/beam ! Combined flux in latest and established models = 0.13471 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 53 model components to the UV plane model. ! The established model now contains 126 components and 0.13471 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188378Jy sigma=0.001299 ! Fit after self-cal, rms=0.188376Jy sigma=0.001299 ! 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=0.188376Jy sigma=0.001299 ! Fit after self-cal, rms=0.186916Jy sigma=0.001287 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 = 0.0014493 Jy ! Component: 100 - total flux cleaned = 0.00240532 Jy ! Component: 150 - total flux cleaned = 0.00325686 Jy ! Component: 200 - total flux cleaned = 0.00325463 Jy ! Total flux subtracted in 200 components = 0.00325463 Jy ! Clean residual min=-0.002393 max=0.002426 Jy/beam ! Clean residual mean=0.000071 rms=0.000901 Jy/beam ! Combined flux in latest and established models = 0.137965 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 44 model components to the UV plane model. ! The established model now contains 166 components and 0.137965 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.186454Jy sigma=0.001284 ! Fit after self-cal, rms=0.186363Jy sigma=0.001283 ! 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: 0.8469 x 2.317 at 6.319 degrees (North through East) ! Clean map min=-0.0046554 max=0.043081 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 = 70 mega-wavelengths. win_mult = win_mult * 1.4 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.024 mas, bmaj=11.57 mas, bpa=6.794 degrees ! Estimated noise=2597.64 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 = 0.00104839 Jy ! Component: 100 - total flux cleaned = 0.00121748 Jy ! Component: 150 - total flux cleaned = 0.000679319 Jy ! Component: 200 - total flux cleaned = 0.000133717 Jy ! Total flux subtracted in 200 components = 0.000133717 Jy ! Clean residual min=-0.001806 max=0.001769 Jy/beam ! Clean residual mean=0.000092 rms=0.000758 Jy/beam ! Combined flux in latest and established models = 0.138098 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 57 model components to the UV plane model. ! The established model now contains 222 components and 0.138098 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.186207Jy sigma=0.001282 ! Fit after self-cal, rms=0.186253Jy sigma=0.001282 ! 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=0.7234 mas, bmaj=2.051 mas, bpa=9.922 degrees ! Estimated noise=3107.09 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0778741 Jy ! Component: 100 - total flux cleaned = 0.0968537 Jy ! Component: 150 - total flux cleaned = 0.10061 Jy ! Component: 200 - total flux cleaned = 0.105064 Jy ! Total flux subtracted in 200 components = 0.105064 Jy ! Clean residual min=-0.011222 max=0.011340 Jy/beam ! Clean residual mean=0.000329 rms=0.003603 Jy/beam ! Combined flux in latest and established models = 0.105064 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 33 model components to the UV plane model. ! The established model now contains 33 components and 0.105064 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8469 mas, bmaj=2.317 mas, bpa=6.319 degrees ! Estimated noise=2029.53 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 = 0.000972432 Jy ! Component: 100 - total flux cleaned = 0.00157427 Jy ! Component: 150 - total flux cleaned = 0.0028295 Jy ! Component: 200 - total flux cleaned = 0.00649535 Jy ! Total flux subtracted in 200 components = 0.00649535 Jy ! Clean residual min=-0.004231 max=0.004304 Jy/beam ! Clean residual mean=0.000203 rms=0.001699 Jy/beam ! Combined flux in latest and established models = 0.111559 Jy ! Adding 49 model components to the UV plane model. ! The established model now contains 82 components and 0.111559 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.024 mas, bmaj=11.57 mas, bpa=6.794 degrees ! Estimated noise=2597.64 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 = -0.000441389 Jy ! Component: 100 - total flux cleaned = -0.000137989 Jy ! Component: 150 - total flux cleaned = 0.000123496 Jy ! Component: 200 - total flux cleaned = -0.000279675 Jy ! Total flux subtracted in 200 components = -0.000279675 Jy ! Clean residual min=-0.002355 max=0.002342 Jy/beam ! Clean residual mean=0.000152 rms=0.001142 Jy/beam ! Combined flux in latest and established models = 0.11128 Jy ! Adding 63 model components to the UV plane model. ! The established model now contains 143 components and 0.11128 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8469 mas, bmaj=2.317 mas, bpa=6.319 degrees ! Estimated noise=2029.53 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00146931 Jy ! Component: 100 - total flux cleaned = 0.00399534 Jy ! Component: 150 - total flux cleaned = 0.00546764 Jy ! Component: 200 - total flux cleaned = 0.00664301 Jy ! Total flux subtracted in 200 components = 0.00664301 Jy ! Clean residual min=-0.002421 max=0.002458 Jy/beam ! Clean residual mean=0.000056 rms=0.000839 Jy/beam ! Combined flux in latest and established models = 0.117923 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 35 model components to the UV plane model. ! The established model now contains 174 components and 0.117923 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.186211Jy sigma=0.001281 ! Fit after self-cal, rms=0.186133Jy sigma=0.001281 wmodel J0045-3900_X_2002_01_31_yyk\_map.mod ! Writing 174 model components to file: J0045-3900_X_2002_01_31_yyk_map.mod wobs J0045-3900_X_2002_01_31_yyk\_uvs.fits ! Applying 38 buffered edits. ! Writing UV FITS file: J0045-3900_X_2002_01_31_yyk_uvs.fits wwins J0045-3900_X_2002_01_31_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0045-3900_X_2002_01_31_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8469 x 2.317 at 6.319 degrees (North through East) ! Clean map min=-0.010123 max=0.044706 Jy/beam ! Writing clean map to FITS file: J0045-3900_X_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 0.044706 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000869772 device "J0045-3900_X_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J0045-3900_X_2002_01_31_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -5.83661 5.83661 11.6732 23.3464 46.6929 93.3857 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0026 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.044 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8469 x 2.317 at 6.319 degrees (North through East) ! Clean map min=-0.010123 max=0.044706 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0045-3900_X_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J0045-3900_X_2002_01_31_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0045-3900_X_2002_01_31_yyk_uvs.log closed on Wed Jun 27 10:43:21 2007