! Started logfile: J1845-2200_S_2005_06_30_yyk_uvs.log on Sat Oct 8 23:00:01 2005 obs J1845-2200_S_2005_06_30_yyk_uve.fits ! Reading UV FITS file: J1845-2200_S_2005_06_30_yyk_uve.fits ! AN table 1: 18 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.320988 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1845-2200 ! ! 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 1469 lines of history. ! ! Reading 1040 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 J1845-2200_S_2005_06_30_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)= 0.10847 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=8.546 mas, bmaj=19.08 mas, bpa=6.692 degrees ! Estimated noise=3.3949 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 = 0.0482417 Jy ! Component: 100 - total flux cleaned = 0.0592162 Jy ! Total flux subtracted in 100 components = 0.0592162 Jy ! Clean residual min=-0.015175 max=0.016273 Jy/beam ! Clean residual mean=0.000160 rms=0.004529 Jy/beam ! Combined flux in latest and established models = 0.0592162 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 19 components and 0.0592162 Jy ! ! Correcting IF 1. ! A total of 134 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 116 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 127 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 96 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.093478Jy sigma=1.256718 ! Fit after self-cal, rms=0.087888Jy sigma=1.173616 ! Inverting map and beam ! Estimated beam: bmin=8.546 mas, bmaj=19.08 mas, bpa=6.692 degrees ! Estimated noise=3.3949 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=11.06 mas, bmaj=26.63 mas, bpa=7.545 degrees ! Estimated noise=2.03805 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 = 0.0120413 Jy ! Component: 100 - total flux cleaned = 0.0142577 Jy ! Component: 150 - total flux cleaned = 0.0149363 Jy ! Component: 200 - total flux cleaned = 0.0151094 Jy ! Total flux subtracted in 200 components = 0.0151094 Jy ! Clean residual min=-0.005232 max=0.008954 Jy/beam ! Clean residual mean=0.000083 rms=0.002262 Jy/beam ! Combined flux in latest and established models = 0.0743256 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 27 model components to the UV plane model. ! The established model now contains 39 components and 0.0743256 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.087008Jy sigma=1.153269 ! Fit after self-cal, rms=0.086913Jy sigma=1.152625 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 11.06 x 26.63 at 7.545 degrees (North through East) ! Clean map min=-0.0053513 max=0.064403 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: 1.04651 ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.03 HN 1.00* KP 0.84 ! LA 0.88 MK 1.00* NL 1.00* OV 0.96 ! PT 0.85 SC 1.00* ! ! ! Fit before self-cal, rms=0.086913Jy sigma=1.152625 ! Fit after self-cal, rms=0.084062Jy sigma=1.146948 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=0.084062Jy sigma=1.146948 ! Fit after self-cal, rms=0.084060Jy sigma=1.146631 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=11.26 mas, bmaj=26.96 mas, bpa=7.603 degrees ! Estimated noise=1.98662 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 = -0.00250074 Jy ! Component: 100 - total flux cleaned = -0.00279019 Jy ! Component: 150 - total flux cleaned = -0.00274273 Jy ! Component: 200 - total flux cleaned = -0.00274376 Jy ! Total flux subtracted in 200 components = -0.00274376 Jy ! Clean residual min=-0.005189 max=0.008430 Jy/beam ! Clean residual mean=0.000058 rms=0.002136 Jy/beam ! Combined flux in latest and established models = 0.0715818 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 44 components and 0.0715818 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.083980Jy sigma=1.145394 ! Fit after self-cal, rms=0.083986Jy sigma=1.145068 ! 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=0.083986Jy sigma=1.145068 ! Fit after self-cal, rms=0.071369Jy sigma=0.978985 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 = 0.00912358 Jy ! Component: 100 - total flux cleaned = 0.00916842 Jy ! Component: 150 - total flux cleaned = 0.00874151 Jy ! Component: 200 - total flux cleaned = 0.00839719 Jy ! Total flux subtracted in 200 components = 0.00839719 Jy ! Clean residual min=-0.004228 max=0.007098 Jy/beam ! Clean residual mean=0.000012 rms=0.001981 Jy/beam ! Combined flux in latest and established models = 0.079979 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 24 model components to the UV plane model. ! The established model now contains 58 components and 0.079979 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070284Jy sigma=0.961670 ! Fit after self-cal, rms=0.069246Jy sigma=0.951171 ! 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: 11.26 x 26.96 at 7.603 degrees (North through East) ! Clean map min=-0.0044804 max=0.073934 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=12.44 mas, bmaj=29.12 mas, bpa=9.272 degrees ! Estimated noise=2.00769 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 = 0.000433352 Jy ! Component: 100 - total flux cleaned = 0.000169484 Jy ! Component: 150 - total flux cleaned = 2.80993e-06 Jy ! Component: 200 - total flux cleaned = -0.000140311 Jy ! Total flux subtracted in 200 components = -0.000140311 Jy ! Clean residual min=-0.004002 max=0.006156 Jy/beam ! Clean residual mean=-0.000004 rms=0.001965 Jy/beam ! Combined flux in latest and established models = 0.0798387 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 62 components and 0.0798387 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.069168Jy sigma=0.949698 ! Fit after self-cal, rms=0.068955Jy sigma=0.947809 ! Inverting map uvtaper 0,0 ! 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=8.609 mas, bmaj=19.19 mas, bpa=6.569 degrees ! Estimated noise=3.35534 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0659212 Jy ! Component: 100 - total flux cleaned = 0.0800304 Jy ! Component: 150 - total flux cleaned = 0.0836853 Jy ! Component: 200 - total flux cleaned = 0.0852945 Jy ! Total flux subtracted in 200 components = 0.0852945 Jy ! Clean residual min=-0.008359 max=0.009737 Jy/beam ! Clean residual mean=0.000056 rms=0.003053 Jy/beam ! Combined flux in latest and established models = 0.0852944 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 30 model components to the UV plane model. ! The established model now contains 30 components and 0.0852944 Jy ! Inverting map and beam ! Estimated beam: bmin=11.26 mas, bmaj=26.96 mas, bpa=7.603 degrees ! Estimated noise=1.98662 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 = -0.00374246 Jy ! Component: 100 - total flux cleaned = -0.00437599 Jy ! Component: 150 - total flux cleaned = -0.0045672 Jy ! Component: 200 - total flux cleaned = -0.0047275 Jy ! Total flux subtracted in 200 components = -0.0047275 Jy ! Clean residual min=-0.004376 max=0.006070 Jy/beam ! Clean residual mean=-0.000020 rms=0.001981 Jy/beam ! Combined flux in latest and established models = 0.0805669 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 56 components and 0.0805669 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=12.44 mas, bmaj=29.12 mas, bpa=9.272 degrees ! Estimated noise=2.00769 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 = -0.000401394 Jy ! Component: 100 - total flux cleaned = -0.00056032 Jy ! Component: 150 - total flux cleaned = -0.000750205 Jy ! Component: 200 - total flux cleaned = -0.000923407 Jy ! Total flux subtracted in 200 components = -0.000923407 Jy ! Clean residual min=-0.003952 max=0.006019 Jy/beam ! Clean residual mean=-0.000007 rms=0.001974 Jy/beam ! Combined flux in latest and established models = 0.0796435 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 68 components and 0.0796435 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=11.26 mas, bmaj=26.96 mas, bpa=7.603 degrees ! Estimated noise=1.98662 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 5.90528e-05 Jy ! Component: 100 - total flux cleaned = -2.7741e-05 Jy ! Component: 150 - total flux cleaned = -6.84861e-05 Jy ! Component: 200 - total flux cleaned = -0.000144926 Jy ! Total flux subtracted in 200 components = -0.000144926 Jy ! Clean residual min=-0.003985 max=0.005907 Jy/beam ! Clean residual mean=-0.000005 rms=0.001884 Jy/beam ! Combined flux in latest and established models = 0.0794986 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 76 components and 0.0794986 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068905Jy sigma=0.947439 ! Fit after self-cal, rms=0.068853Jy sigma=0.947076 wmodel J1845-2200_S_2005_06_30_yyk\_map.mod ! Writing 76 model components to file: J1845-2200_S_2005_06_30_yyk_map.mod wobs J1845-2200_S_2005_06_30_yyk\_uvs.fits ! Writing UV FITS file: J1845-2200_S_2005_06_30_yyk_uvs.fits wwins J1845-2200_S_2005_06_30_yyk\_map.win ! wwins: Wrote 1 windows to J1845-2200_S_2005_06_30_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 = 0.00258885 Jy ! Component: 100 - total flux cleaned = 0.00478836 Jy ! Component: 150 - total flux cleaned = 0.00623384 Jy ! Component: 200 - total flux cleaned = 0.00734252 Jy ! Component: 250 - total flux cleaned = 0.00836934 Jy ! Component: 300 - total flux cleaned = 0.00888216 Jy ! Component: 350 - total flux cleaned = 0.0093045 Jy ! Component: 400 - total flux cleaned = 0.00953376 Jy ! Component: 450 - total flux cleaned = 0.00992153 Jy ! Component: 500 - total flux cleaned = 0.0103469 Jy ! Component: 550 - total flux cleaned = 0.0106548 Jy ! Component: 600 - total flux cleaned = 0.0109035 Jy ! Component: 650 - total flux cleaned = 0.0111447 Jy ! Component: 700 - total flux cleaned = 0.0113766 Jy ! Component: 750 - total flux cleaned = 0.0114667 Jy ! Component: 800 - total flux cleaned = 0.0117285 Jy ! Component: 850 - total flux cleaned = 0.0119395 Jy ! Component: 900 - total flux cleaned = 0.0121457 Jy ! Component: 950 - total flux cleaned = 0.0123859 Jy ! Component: 1000 - total flux cleaned = 0.0126589 Jy ! Total flux subtracted in 1024 components = 0.012774 Jy ! Clean residual min=-0.002093 max=0.001912 Jy/beam ! Clean residual mean=0.000033 rms=0.000979 Jy/beam ! Combined flux in latest and established models = 0.0922726 Jy keep ! Adding 50 model components to the UV plane model. ! The established model now contains 126 components and 0.0922726 Jy ![Exited script file: muppet] wmap "J1845-2200_S_2005_06_30_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 11.26 x 26.96 at 7.603 degrees (North through East) ! Clean map min=-0.0043626 max=0.075992 Jy/beam ! Writing clean map to FITS file: J1845-2200_S_2005_06_30_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0759925 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000970192 device "J1845-2200_S_2005_06_30_yyk\_map.eps/VPS" ! Attempting to open device: 'J1845-2200_S_2005_06_30_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -3.83009 3.83009 7.66017 15.3203 30.6407 61.2814 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0029 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.075 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 11.26 x 26.96 at 7.603 degrees (North through East) ! Clean map min=-0.0043626 max=0.075992 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1845-2200_S_2005_06_30_yyk\_map.gif/gif" ! Attempting to open device: 'J1845-2200_S_2005_06_30_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1845-2200_S_2005_06_30_yyk_uvs.log closed on Sat Oct 8 23:00:02 2005