! Started logfile: J0419-3010_X_2002_01_31_yyk_uvs.log on Wed Jun 27 10:47:56 2007 obs J0419-3010_X_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J0419-3010_X_2002_01_31_yyk_uva.fits ! AN table 1: 70 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.472698 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0419-3010 ! ! 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 1545 lines of history. ! ! Reading 5956 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 J0419-3010_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)= 0.232403 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=0.8641 mas, bmaj=3.617 mas, bpa=-22.82 degrees ! Estimated noise=2240.57 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 = 0.00878579 Jy ! Component: 100 - total flux cleaned = 0.00972296 Jy ! Total flux subtracted in 100 components = 0.00972296 Jy ! Clean residual min=-0.009972 max=0.010012 Jy/beam ! Clean residual mean=0.000044 rms=0.003750 Jy/beam ! Combined flux in latest and established models = 0.00972296 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 32 model components to the UV plane model. ! The established model now contains 32 components and 0.00972296 Jy ! ! Correcting IF 1. ! A total of 285 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 285 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 336 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 285 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.229960Jy sigma=0.001794 ! Fit after self-cal, rms=0.229474Jy sigma=0.001789 ! Inverting map and beam ! Estimated beam: bmin=0.8641 mas, bmaj=3.617 mas, bpa=-22.82 degrees ! Estimated noise=2240.57 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=1.285 mas, bmaj=4.554 mas, bpa=-16.4 degrees ! Estimated noise=1233.98 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 = 0.0134303 Jy ! Component: 100 - total flux cleaned = 0.0134563 Jy ! Component: 150 - total flux cleaned = 0.0142736 Jy ! Component: 200 - total flux cleaned = 0.0152742 Jy ! Total flux subtracted in 200 components = 0.0152742 Jy ! Clean residual min=-0.003984 max=0.004005 Jy/beam ! Clean residual mean=0.000066 rms=0.001684 Jy/beam ! Combined flux in latest and established models = 0.0249971 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 58 model components to the UV plane model. ! The established model now contains 90 components and 0.0249971 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228000Jy sigma=0.001774 ! Fit after self-cal, rms=0.227966Jy sigma=0.001773 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.285 x 4.554 at -16.4 degrees (North through East) ! Clean map min=-0.0076115 max=0.020276 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. ! A total of 54 telescope corrections were flagged in sub-array 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. ! A total of 54 telescope corrections were flagged in sub-array 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 3. ! A total of 54 telescope corrections were flagged in sub-array 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 4. ! A total of 54 telescope corrections were flagged in sub-array 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* ! ! ! Fit before self-cal, rms=0.227966Jy sigma=0.001773 ! Fit after self-cal, rms=0.229439Jy sigma=0.001786 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=0.229439Jy sigma=0.001786 ! Fit after self-cal, rms=0.229399Jy sigma=0.001786 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.256 mas, bmaj=4.494 mas, bpa=-16.44 degrees ! Estimated noise=1263.52 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 = 0.00266397 Jy ! Component: 100 - total flux cleaned = 0.00438191 Jy ! Component: 150 - total flux cleaned = 0.00465767 Jy ! Component: 200 - total flux cleaned = 0.00443241 Jy ! Total flux subtracted in 200 components = 0.00443241 Jy ! Clean residual min=-0.002710 max=0.002725 Jy/beam ! Clean residual mean=0.000062 rms=0.001150 Jy/beam ! Combined flux in latest and established models = 0.0294295 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 65 model components to the UV plane model. ! The established model now contains 140 components and 0.0294295 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228907Jy sigma=0.001782 ! Fit after self-cal, rms=0.228898Jy sigma=0.001781 ! 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=0.228898Jy sigma=0.001781 ! Fit after self-cal, rms=0.227571Jy sigma=0.001770 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 = 0.00580355 Jy ! Component: 100 - total flux cleaned = 0.00742019 Jy ! Component: 150 - total flux cleaned = 0.00819956 Jy ! Component: 200 - total flux cleaned = 0.00820063 Jy ! Total flux subtracted in 200 components = 0.00820063 Jy ! Clean residual min=-0.002849 max=0.002852 Jy/beam ! Clean residual mean=0.000022 rms=0.001122 Jy/beam ! Combined flux in latest and established models = 0.0376302 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 56 model components to the UV plane model. ! The established model now contains 193 components and 0.0376302 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226845Jy sigma=0.001764 ! Fit after self-cal, rms=0.226479Jy sigma=0.001761 ! 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: 1.256 x 4.494 at -16.44 degrees (North through East) ! Clean map min=-0.0094641 max=0.025595 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=3.225 mas, bmaj=8.759 mas, bpa=13.03 degrees ! Estimated noise=1404.82 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 = 0.00022432 Jy ! Component: 100 - total flux cleaned = -0.000778474 Jy ! Component: 150 - total flux cleaned = -0.00144809 Jy ! Component: 200 - total flux cleaned = -0.00144601 Jy ! Total flux subtracted in 200 components = -0.00144601 Jy ! Clean residual min=-0.001822 max=0.001815 Jy/beam ! Clean residual mean=0.000036 rms=0.000853 Jy/beam ! Combined flux in latest and established models = 0.0361842 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 60 model components to the UV plane model. ! The established model now contains 248 components and 0.0361842 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226195Jy sigma=0.001759 ! Fit after self-cal, rms=0.226018Jy sigma=0.001758 ! 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=0.8643 mas, bmaj=3.618 mas, bpa=-22.82 degrees ! Estimated noise=2267.63 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0247567 Jy ! Component: 100 - total flux cleaned = 0.0160327 Jy ! Component: 150 - total flux cleaned = 0.0143848 Jy ! Component: 200 - total flux cleaned = 0.0129169 Jy ! Total flux subtracted in 200 components = 0.0129169 Jy ! Clean residual min=-0.008798 max=0.008916 Jy/beam ! Clean residual mean=0.000029 rms=0.003404 Jy/beam ! Combined flux in latest and established models = 0.0129169 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 64 model components to the UV plane model. ! The established model now contains 64 components and 0.0129169 Jy ! Inverting map and beam ! Estimated beam: bmin=1.256 mas, bmaj=4.494 mas, bpa=-16.44 degrees ! Estimated noise=1263.52 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 = 0.00781491 Jy ! Component: 100 - total flux cleaned = 0.00827472 Jy ! Component: 150 - total flux cleaned = 0.00721488 Jy ! Component: 200 - total flux cleaned = 0.00631304 Jy ! Total flux subtracted in 200 components = 0.00631304 Jy ! Clean residual min=-0.003494 max=0.003512 Jy/beam ! Clean residual mean=0.000037 rms=0.001417 Jy/beam ! Combined flux in latest and established models = 0.0192299 Jy ! Adding 52 model components to the UV plane model. ! The established model now contains 115 components and 0.0192299 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=3.225 mas, bmaj=8.759 mas, bpa=13.03 degrees ! Estimated noise=1404.82 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 = 0.00119528 Jy ! Component: 100 - total flux cleaned = 0.0020634 Jy ! Component: 150 - total flux cleaned = 0.0024329 Jy ! Component: 200 - total flux cleaned = 0.00313318 Jy ! Total flux subtracted in 200 components = 0.00313318 Jy ! Clean residual min=-0.002020 max=0.002031 Jy/beam ! Clean residual mean=0.000020 rms=0.000976 Jy/beam ! Combined flux in latest and established models = 0.0223631 Jy ! Adding 72 model components to the UV plane model. ! The established model now contains 179 components and 0.0223631 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.256 mas, bmaj=4.494 mas, bpa=-16.44 degrees ! Estimated noise=1263.52 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0019406 Jy ! Component: 100 - total flux cleaned = 0.00328756 Jy ! Component: 150 - total flux cleaned = 0.0045112 Jy ! Component: 200 - total flux cleaned = 0.00581026 Jy ! Total flux subtracted in 200 components = 0.00581026 Jy ! Clean residual min=-0.001964 max=0.001974 Jy/beam ! Clean residual mean=0.000010 rms=0.000787 Jy/beam ! Combined flux in latest and established models = 0.0281734 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 46 model components to the UV plane model. ! The established model now contains 215 components and 0.0281734 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225670Jy sigma=0.001756 ! Fit after self-cal, rms=0.225394Jy sigma=0.001754 wmodel J0419-3010_X_2002_01_31_yyk\_map.mod ! Writing 215 model components to file: J0419-3010_X_2002_01_31_yyk_map.mod wobs J0419-3010_X_2002_01_31_yyk\_uvs.fits ! Applying 70 buffered edits. ! Writing UV FITS file: J0419-3010_X_2002_01_31_yyk_uvs.fits wwins J0419-3010_X_2002_01_31_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0419-3010_X_2002_01_31_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.256 x 4.494 at -16.44 degrees (North through East) ! Clean map min=-0.007812 max=0.019456 Jy/beam ! Writing clean map to FITS file: J0419-3010_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 0.0194556 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000911715 device "J0419-3010_X_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J0419-3010_X_2002_01_31_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -14.0584 14.0584 28.1168 56.2336 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0027 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.019 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.256 x 4.494 at -16.44 degrees (North through East) ! Clean map min=-0.007812 max=0.019456 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0419-3010_X_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J0419-3010_X_2002_01_31_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0419-3010_X_2002_01_31_yyk_uvs.log closed on Wed Jun 27 10:48:00 2007