! Started logfile: J1213-1658_S_2006_12_18_yyk_uvs.log on Mon Jun 16 20:12:13 2008 obs J1213-1658_S_2006_12_18_yyk_uve.fits ! Reading UV FITS file: J1213-1658_S_2006_12_18_yyk_uve.fits ! AN table 1: 16 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.3875 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1213-1658 ! ! 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2469 lines of history. ! ! Reading 1116 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 J1213-1658_S_2006_12_18_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 = 256x256 pixels with 1.00x1.00 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.11679 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=5.252 mas, bmaj=19.88 mas, bpa=-1.725 degrees ! Estimated noise=2.67468 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) ! Added new window around map position (0, 1). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0651832 Jy ! Component: 100 - total flux cleaned = 0.0775008 Jy ! Total flux subtracted in 100 components = 0.0775008 Jy ! Clean residual min=-0.010926 max=0.010483 Jy/beam ! Clean residual mean=-0.000122 rms=0.003362 Jy/beam ! Combined flux in latest and established models = 0.0775008 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.0775008 Jy ! ! Correcting IF 1. ! A total of 62 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 73 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 112 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 101 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.089468Jy sigma=1.146366 ! Fit after self-cal, rms=0.085026Jy sigma=1.068650 ! Inverting map and beam ! Estimated beam: bmin=5.252 mas, bmaj=19.88 mas, bpa=-1.725 degrees ! Estimated noise=2.67468 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=7.827 mas, bmaj=23.01 mas, bpa=-2.163 degrees ! Estimated noise=1.67943 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 = 0.0132647 Jy ! Component: 100 - total flux cleaned = 0.0180804 Jy ! Component: 150 - total flux cleaned = 0.0200399 Jy ! Component: 200 - total flux cleaned = 0.0201949 Jy ! Total flux subtracted in 200 components = 0.0201949 Jy ! Clean residual min=-0.004752 max=0.005369 Jy/beam ! Clean residual mean=-0.000115 rms=0.001677 Jy/beam ! Combined flux in latest and established models = 0.0976957 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 26 components and 0.0976957 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.084079Jy sigma=1.039705 ! Fit after self-cal, rms=0.083978Jy sigma=1.038830 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 7.827 x 23.01 at -2.163 degrees (North through East) ! Clean map min=-0.004671 max=0.085232 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: 1.01066 ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 FD 1.00* HN 1.00* KP 0.97 ! LA 0.93 MK 1.00* NL 1.05 OV 1.07 ! PT 1.02 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=0.083978Jy sigma=1.038830 ! Fit after self-cal, rms=0.083504Jy sigma=1.036087 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=0.083504Jy sigma=1.036087 ! Fit after self-cal, rms=0.083471Jy sigma=1.035759 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=7.921 mas, bmaj=22.12 mas, bpa=-1.297 degrees ! Estimated noise=1.66304 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 = 0.000987489 Jy ! Component: 100 - total flux cleaned = 0.00123186 Jy ! Component: 150 - total flux cleaned = 0.00127534 Jy ! Component: 200 - total flux cleaned = 0.00135002 Jy ! Total flux subtracted in 200 components = 0.00135002 Jy ! Clean residual min=-0.004855 max=0.005868 Jy/beam ! Clean residual mean=-0.000139 rms=0.001652 Jy/beam ! Combined flux in latest and established models = 0.0990457 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 36 components and 0.0990457 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.083380Jy sigma=1.034420 ! Fit after self-cal, rms=0.083324Jy sigma=1.033889 ! 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=0.083324Jy sigma=1.033889 ! Fit after self-cal, rms=0.074786Jy sigma=0.935136 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 = 0.0026694 Jy ! Component: 100 - total flux cleaned = 0.00262102 Jy ! Component: 150 - total flux cleaned = 0.00257049 Jy ! Component: 200 - total flux cleaned = 0.00260994 Jy ! Total flux subtracted in 200 components = 0.00260994 Jy ! Clean residual min=-0.004632 max=0.005616 Jy/beam ! Clean residual mean=-0.000170 rms=0.001640 Jy/beam ! Combined flux in latest and established models = 0.101656 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 48 components and 0.101656 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074621Jy sigma=0.931252 ! Fit after self-cal, rms=0.073951Jy sigma=0.925387 ! 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: 7.921 x 22.12 at -1.297 degrees (North through East) ! Clean map min=-0.0044717 max=0.08913 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=10.45 mas, bmaj=23.08 mas, bpa=2.606 degrees ! Estimated noise=1.71921 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 = 0.00021853 Jy ! Component: 100 - total flux cleaned = 0.000390195 Jy ! Component: 150 - total flux cleaned = 0.000516522 Jy ! Component: 200 - total flux cleaned = 0.000536788 Jy ! Total flux subtracted in 200 components = 0.000536788 Jy ! Clean residual min=-0.004264 max=0.005424 Jy/beam ! Clean residual mean=-0.000234 rms=0.001664 Jy/beam ! Combined flux in latest and established models = 0.102192 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 59 components and 0.102192 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.073968Jy sigma=0.925188 ! Fit after self-cal, rms=0.073928Jy sigma=0.924544 ! 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=5.282 mas, bmaj=19.59 mas, bpa=-1.471 degrees ! Estimated noise=2.64115 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0752135 Jy ! Component: 100 - total flux cleaned = 0.0878749 Jy ! Component: 150 - total flux cleaned = 0.0922053 Jy ! Component: 200 - total flux cleaned = 0.0950616 Jy ! Total flux subtracted in 200 components = 0.0950616 Jy ! Clean residual min=-0.007669 max=0.008382 Jy/beam ! Clean residual mean=-0.000062 rms=0.002707 Jy/beam ! Combined flux in latest and established models = 0.0950616 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 23 model components to the UV plane model. ! The established model now contains 23 components and 0.0950616 Jy ! Inverting map and beam ! Estimated beam: bmin=7.921 mas, bmaj=22.12 mas, bpa=-1.297 degrees ! Estimated noise=1.66304 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 = 0.00339107 Jy ! Component: 100 - total flux cleaned = 0.0038852 Jy ! Component: 150 - total flux cleaned = 0.00413065 Jy ! Component: 200 - total flux cleaned = 0.00438361 Jy ! Total flux subtracted in 200 components = 0.00438361 Jy ! Clean residual min=-0.004675 max=0.005614 Jy/beam ! Clean residual mean=-0.000170 rms=0.001708 Jy/beam ! Combined flux in latest and established models = 0.0994452 Jy ! Adding 13 model components to the UV plane model. ! The established model now contains 34 components and 0.0994452 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=10.45 mas, bmaj=23.08 mas, bpa=2.606 degrees ! Estimated noise=1.71921 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 = 0.00102313 Jy ! Component: 100 - total flux cleaned = 0.00113004 Jy ! Component: 150 - total flux cleaned = 0.0011959 Jy ! Component: 200 - total flux cleaned = 0.00125792 Jy ! Total flux subtracted in 200 components = 0.00125792 Jy ! Clean residual min=-0.004395 max=0.005376 Jy/beam ! Clean residual mean=-0.000224 rms=0.001737 Jy/beam ! Combined flux in latest and established models = 0.100703 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 40 components and 0.100703 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=7.921 mas, bmaj=22.12 mas, bpa=-1.297 degrees ! Estimated noise=1.66304 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000619132 Jy ! Component: 100 - total flux cleaned = -0.000652553 Jy ! Component: 150 - total flux cleaned = -0.0006011 Jy ! Component: 200 - total flux cleaned = -0.000578646 Jy ! Total flux subtracted in 200 components = -0.000578646 Jy ! Clean residual min=-0.004610 max=0.005487 Jy/beam ! Clean residual mean=-0.000175 rms=0.001673 Jy/beam ! Combined flux in latest and established models = 0.100124 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 50 components and 0.100124 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.073744Jy sigma=0.924860 ! Fit after self-cal, rms=0.073736Jy sigma=0.924695 wmodel J1213-1658_S_2006_12_18_yyk\_map.mod ! Writing 50 model components to file: J1213-1658_S_2006_12_18_yyk_map.mod wobs J1213-1658_S_2006_12_18_yyk\_uvs.fits ! Writing UV FITS file: J1213-1658_S_2006_12_18_yyk_uvs.fits wwins J1213-1658_S_2006_12_18_yyk\_map.win ! wwins: Wrote 1 windows to J1213-1658_S_2006_12_18_yyk_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00115527 Jy ! Component: 100 - total flux cleaned = 0.00130529 Jy ! Component: 150 - total flux cleaned = 0.001865 Jy ! Component: 200 - total flux cleaned = 0.00232073 Jy ! Component: 250 - total flux cleaned = 0.00274857 Jy ! Component: 300 - total flux cleaned = 0.00292585 Jy ! Component: 350 - total flux cleaned = 0.00303798 Jy ! Component: 400 - total flux cleaned = 0.00303736 Jy ! Component: 450 - total flux cleaned = 0.00303658 Jy ! Component: 500 - total flux cleaned = 0.00289349 Jy ! Component: 550 - total flux cleaned = 0.00275621 Jy ! Component: 600 - total flux cleaned = 0.00280192 Jy ! Component: 650 - total flux cleaned = 0.00288653 Jy ! Component: 700 - total flux cleaned = 0.00288565 Jy ! Component: 750 - total flux cleaned = 0.00280596 Jy ! Component: 800 - total flux cleaned = 0.00276722 Jy ! Component: 850 - total flux cleaned = 0.00265625 Jy ! Component: 900 - total flux cleaned = 0.00269307 Jy ! Component: 950 - total flux cleaned = 0.00251478 Jy ! Component: 1000 - total flux cleaned = 0.00244567 Jy ! Total flux subtracted in 1024 components = 0.00241145 Jy ! Clean residual min=-0.002101 max=0.002807 Jy/beam ! Clean residual mean=-0.000076 rms=0.000790 Jy/beam ! Combined flux in latest and established models = 0.102536 Jy keep ! Adding 64 model components to the UV plane model. ! The established model now contains 114 components and 0.102536 Jy ![Exited script file: muppet] wmap "J1213-1658_S_2006_12_18_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 7.921 x 22.12 at -1.297 degrees (North through East) ! Clean map min=-0.0030868 max=0.089102 Jy/beam ! Writing clean map to FITS file: J1213-1658_S_2006_12_18_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0891024 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000760753 device "J1213-1658_S_2006_12_18_yyk\_map.eps/VPS" ! Attempting to open device: 'J1213-1658_S_2006_12_18_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -2.56139 2.56139 5.12277 10.2455 20.4911 40.9822 81.9644 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0022 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.089 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 7.921 x 22.12 at -1.297 degrees (North through East) ! Clean map min=-0.0030868 max=0.089102 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1213-1658_S_2006_12_18_yyk\_map.gif/gif" ! Attempting to open device: 'J1213-1658_S_2006_12_18_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1213-1658_S_2006_12_18_yyk_uvs.log closed on Mon Jun 16 20:12:14 2008