! Started logfile: J0342-3256_X_2002_01_31_yyk_uvs.log on Wed Jun 27 10:47:26 2007 obs J0342-3256_X_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J0342-3256_X_2002_01_31_yyk_uva.fits ! AN table 1: 53 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.459119 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0342-3256 ! ! 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 4380 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 J0342-3256_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)= 0.368329 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=0.7033 mas, bmaj=5.955 mas, bpa=23.4 degrees ! Estimated noise=2812.82 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=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0214794 Jy ! Component: 100 - total flux cleaned = 0.025116 Jy ! Total flux subtracted in 100 components = 0.025116 Jy ! Clean residual min=-0.013346 max=0.013377 Jy/beam ! Clean residual mean=-0.000032 rms=0.005115 Jy/beam ! Combined flux in latest and established models = 0.025116 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 0.025116 Jy ! ! Correcting IF 1. ! A total of 214 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 231 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 371 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.365609Jy sigma=0.002581 ! Fit after self-cal, rms=0.365192Jy sigma=0.002577 ! Inverting map and beam ! Estimated beam: bmin=0.7033 mas, bmaj=5.955 mas, bpa=23.4 degrees ! Estimated noise=2812.82 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=1.023 mas, bmaj=7.424 mas, bpa=24.2 degrees ! Estimated noise=1768.55 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 = 0.0103123 Jy ! Component: 100 - total flux cleaned = 0.00641883 Jy ! Component: 150 - total flux cleaned = 0.00329995 Jy ! Component: 200 - total flux cleaned = -0.000161131 Jy ! Total flux subtracted in 200 components = -0.000161131 Jy ! Clean residual min=-0.005119 max=0.005082 Jy/beam ! Clean residual mean=-0.000015 rms=0.002013 Jy/beam ! Combined flux in latest and established models = 0.0249549 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 58 model components to the UV plane model. ! The established model now contains 84 components and 0.0249549 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.363328Jy sigma=0.002563 ! Fit after self-cal, rms=0.363287Jy sigma=0.002563 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.023 x 7.424 at 24.2 degrees (North through East) ! Clean map min=-0.011351 max=0.01726 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. ! A total of 159 telescope corrections were flagged in sub-array 1. ! 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* ! ! ! Fit before self-cal, rms=0.363287Jy sigma=0.002563 ! Fit after self-cal, rms=0.373039Jy sigma=0.002629 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=0.373039Jy sigma=0.002629 ! Fit after self-cal, rms=0.373039Jy sigma=0.002629 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9964 mas, bmaj=7.272 mas, bpa=24.3 degrees ! Estimated noise=1824.11 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 = -0.0012267 Jy ! Component: 100 - total flux cleaned = -0.00390133 Jy ! Component: 150 - total flux cleaned = -0.00663364 Jy ! Component: 200 - total flux cleaned = -0.00854064 Jy ! Total flux subtracted in 200 components = -0.00854064 Jy ! Clean residual min=-0.003888 max=0.003856 Jy/beam ! Clean residual mean=-0.000013 rms=0.001591 Jy/beam ! Combined flux in latest and established models = 0.0164143 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 62 model components to the UV plane model. ! The established model now contains 133 components and 0.0164143 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.372382Jy sigma=0.002624 ! Fit after self-cal, rms=0.372370Jy sigma=0.002624 ! 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=0.372370Jy sigma=0.002624 ! Fit after self-cal, rms=0.370130Jy sigma=0.002609 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 = 0.00209174 Jy ! Component: 100 - total flux cleaned = 0.00205755 Jy ! Component: 150 - total flux cleaned = -0.00476529 Jy ! Component: 200 - total flux cleaned = -0.00701972 Jy ! Total flux subtracted in 200 components = -0.00701972 Jy ! Clean residual min=-0.006728 max=0.006669 Jy/beam ! Clean residual mean=0.000001 rms=0.002786 Jy/beam ! Combined flux in latest and established models = 0.00939453 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 59 model components to the UV plane model. ! The established model now contains 191 components and 0.00939453 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.367566Jy sigma=0.002592 ! Fit after self-cal, rms=0.366171Jy sigma=0.002583 ! 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: 0.9964 x 7.272 at 24.3 degrees (North through East) ! Clean map min=-0.018565 max=0.019116 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=2.753 mas, bmaj=11.72 mas, bpa=17.98 degrees ! Estimated noise=2126.4 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 = -0.00435139 Jy ! Component: 100 - total flux cleaned = -0.00820405 Jy ! Component: 150 - total flux cleaned = -0.0105935 Jy ! Component: 200 - total flux cleaned = -0.0127606 Jy ! Total flux subtracted in 200 components = -0.0127606 Jy ! Clean residual min=-0.004244 max=0.004217 Jy/beam ! Clean residual mean=0.000006 rms=0.002272 Jy/beam ! Combined flux in latest and established models = -0.00336608 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 80 model components to the UV plane model. ! The established model now contains 270 components and -0.00336608 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.365335Jy sigma=0.002577 ! Fit after self-cal, rms=0.364797Jy sigma=0.002573 ! 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=0.7046 mas, bmaj=5.965 mas, bpa=23.39 degrees ! Estimated noise=2845.22 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00543202 Jy ! Component: 100 - total flux cleaned = 0.00879488 Jy ! Component: 150 - total flux cleaned = 0.0151383 Jy ! Component: 200 - total flux cleaned = 0.0180449 Jy ! Total flux subtracted in 200 components = 0.0180449 Jy ! Clean residual min=-0.014945 max=0.015038 Jy/beam ! Clean residual mean=-0.000019 rms=0.006450 Jy/beam ! Combined flux in latest and established models = 0.0180449 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 54 model components to the UV plane model. ! The established model now contains 54 components and 0.0180449 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9964 mas, bmaj=7.272 mas, bpa=24.3 degrees ! Estimated noise=1824.11 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 = 0.00144847 Jy ! Component: 100 - total flux cleaned = -0.000110092 Jy ! Component: 150 - total flux cleaned = -0.00197616 Jy ! Component: 200 - total flux cleaned = -0.00603608 Jy ! Total flux subtracted in 200 components = -0.00603608 Jy ! Clean residual min=-0.006922 max=0.006896 Jy/beam ! Clean residual mean=-0.000012 rms=0.002988 Jy/beam ! Combined flux in latest and established models = 0.0120088 Jy ! Adding 64 model components to the UV plane model. ! The established model now contains 110 components and 0.0120088 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=2.753 mas, bmaj=11.72 mas, bpa=17.98 degrees ! Estimated noise=2126.4 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 = -0.00356692 Jy ! Component: 100 - total flux cleaned = -0.00383925 Jy ! Component: 150 - total flux cleaned = -0.00470414 Jy ! Component: 200 - total flux cleaned = -0.00524756 Jy ! Total flux subtracted in 200 components = -0.00524756 Jy ! Clean residual min=-0.003428 max=0.003459 Jy/beam ! Clean residual mean=-0.000007 rms=0.001694 Jy/beam ! Combined flux in latest and established models = 0.00676123 Jy ! Adding 72 model components to the UV plane model. ! The established model now contains 182 components and 0.00676123 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9964 mas, bmaj=7.272 mas, bpa=24.3 degrees ! Estimated noise=1824.11 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.0022314 Jy ! Component: 100 - total flux cleaned = -0.00509619 Jy ! Component: 150 - total flux cleaned = -0.0064563 Jy ! Component: 200 - total flux cleaned = -0.00647014 Jy ! Total flux subtracted in 200 components = -0.00647014 Jy ! Clean residual min=-0.005730 max=0.005553 Jy/beam ! Clean residual mean=-0.000023 rms=0.002358 Jy/beam ! Combined flux in latest and established models = 0.000291084 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 58 model components to the UV plane model. ! The established model now contains 230 components and 0.000291084 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.362644Jy sigma=0.002560 ! Fit after self-cal, rms=0.362307Jy sigma=0.002558 wmodel J0342-3256_X_2002_01_31_yyk\_map.mod ! Writing 230 model components to file: J0342-3256_X_2002_01_31_yyk_map.mod wobs J0342-3256_X_2002_01_31_yyk\_uvs.fits ! Applying 53 buffered edits. ! Writing UV FITS file: J0342-3256_X_2002_01_31_yyk_uvs.fits wwins J0342-3256_X_2002_01_31_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0342-3256_X_2002_01_31_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9964 x 7.272 at 24.3 degrees (North through East) ! Clean map min=-0.021243 max=0.021554 Jy/beam ! Writing clean map to FITS file: J0342-3256_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 0.021554 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.002502 device "J0342-3256_X_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J0342-3256_X_2002_01_31_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -34.8243 34.8243 69.6485 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0075 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.021 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9964 x 7.272 at 24.3 degrees (North through East) ! Clean map min=-0.021243 max=0.021554 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0342-3256_X_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J0342-3256_X_2002_01_31_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0342-3256_X_2002_01_31_yyk_uvs.log closed on Wed Jun 27 10:47:30 2007