! Started logfile: J2103-0933_S_2005_07_20_yyk_uvs.log on Fri Jan 20 11:27:09 2006 obs J2103-0933_S_2005_07_20_yyk_uve.fits ! Reading UV FITS file: J2103-0933_S_2005_07_20_yyk_uve.fits ! AN table 1: 10 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.511111 visibilities/baseline/integration-bin. ! Found source: J2103-0933 ! ! 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 1527 lines of history. ! ! Reading 920 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 J2103-0933_S_2005_07_20_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)= 0.113874 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=2.737 mas, bmaj=20.76 mas, bpa=-19.5 degrees ! Estimated noise=2.54434 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, 0). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0622198 Jy ! Component: 100 - total flux cleaned = 0.0742499 Jy ! Total flux subtracted in 100 components = 0.0742499 Jy ! Clean residual min=-0.011841 max=0.013140 Jy/beam ! Clean residual mean=0.000055 rms=0.003547 Jy/beam ! Combined flux in latest and established models = 0.0742499 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 16 components and 0.0742499 Jy ! ! Correcting IF 1. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 37 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 39 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.087547Jy sigma=1.302288 ! Fit after self-cal, rms=0.075109Jy sigma=1.120821 ! Inverting map and beam ! Estimated beam: bmin=2.737 mas, bmaj=20.76 mas, bpa=-19.5 degrees ! Estimated noise=2.54434 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=3.442 mas, bmaj=25.58 mas, bpa=-18.53 degrees ! Estimated noise=1.75318 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 = 0.0197377 Jy ! Component: 100 - total flux cleaned = 0.0208677 Jy ! Component: 150 - total flux cleaned = 0.0203083 Jy ! Component: 200 - total flux cleaned = 0.0197442 Jy ! Total flux subtracted in 200 components = 0.0197442 Jy ! Clean residual min=-0.005497 max=0.005930 Jy/beam ! Clean residual mean=-0.000022 rms=0.001718 Jy/beam ! Combined flux in latest and established models = 0.0939941 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 39 components and 0.0939941 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.071699Jy sigma=1.043520 ! Fit after self-cal, rms=0.071670Jy sigma=1.043299 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.442 x 25.58 at -18.53 degrees (North through East) ! Clean map min=-0.0048782 max=0.087554 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: 1.01401 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00 HN 1.00* KP 0.99 ! LA 0.92 MK 1.01 NL 0.95 OV 0.86 ! PT 1.13 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: 0.986227 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 HN 1.00* KP 1.01 ! LA 0.92 MK 1.11 NL 1.01 OV 1.05 ! PT 1.08 SC 1.00* ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 1.01727 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 0.83 ! LA 1.00* MK 1.00* NL 1.05 OV 1.04 ! PT 0.90 SC 1.00* ! ! ! Fit before self-cal, rms=0.071670Jy sigma=1.043299 ! Fit after self-cal, rms=0.071068Jy sigma=1.034612 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=0.071068Jy sigma=1.034612 ! Fit after self-cal, rms=0.071068Jy sigma=1.034546 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.557 mas, bmaj=25.39 mas, bpa=-18.44 degrees ! Estimated noise=1.76246 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 = 0.000182708 Jy ! Component: 100 - total flux cleaned = 1.94354e-05 Jy ! Component: 150 - total flux cleaned = 8.5021e-05 Jy ! Component: 200 - total flux cleaned = 0.000195816 Jy ! Total flux subtracted in 200 components = 0.000195816 Jy ! Clean residual min=-0.005408 max=0.005288 Jy/beam ! Clean residual mean=-0.000004 rms=0.001536 Jy/beam ! Combined flux in latest and established models = 0.0941899 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 54 components and 0.0941899 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070999Jy sigma=1.032043 ! Fit after self-cal, rms=0.070978Jy sigma=1.031951 ! 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=0.070978Jy sigma=1.031951 ! Fit after self-cal, rms=0.064010Jy sigma=0.922369 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 = 0.00385062 Jy ! Component: 100 - total flux cleaned = 0.00372374 Jy ! Component: 150 - total flux cleaned = 0.00367077 Jy ! Component: 200 - total flux cleaned = 0.00358297 Jy ! Total flux subtracted in 200 components = 0.00358297 Jy ! Clean residual min=-0.004705 max=0.005485 Jy/beam ! Clean residual mean=-0.000025 rms=0.001433 Jy/beam ! Combined flux in latest and established models = 0.0977729 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 62 components and 0.0977729 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063792Jy sigma=0.917981 ! Fit after self-cal, rms=0.063247Jy sigma=0.910050 ! 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: 3.557 x 25.39 at -18.44 degrees (North through East) ! Clean map min=-0.0043735 max=0.092218 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=9.771 mas, bmaj=26.64 mas, bpa=-15.92 degrees ! Estimated noise=2.08038 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 = 0.00038729 Jy ! Component: 100 - total flux cleaned = 0.00035169 Jy ! Component: 150 - total flux cleaned = 0.000385695 Jy ! Component: 200 - total flux cleaned = 0.000445586 Jy ! Total flux subtracted in 200 components = 0.000445586 Jy ! Clean residual min=-0.004655 max=0.004765 Jy/beam ! Clean residual mean=-0.000049 rms=0.001608 Jy/beam ! Combined flux in latest and established models = 0.0982184 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 72 components and 0.0982184 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063242Jy sigma=0.909741 ! Fit after self-cal, rms=0.063224Jy sigma=0.908476 ! 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=2.774 mas, bmaj=20.67 mas, bpa=-19.41 degrees ! Estimated noise=2.56811 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0775538 Jy ! Component: 100 - total flux cleaned = 0.0927411 Jy ! Component: 150 - total flux cleaned = 0.0991748 Jy ! Component: 200 - total flux cleaned = 0.100389 Jy ! Total flux subtracted in 200 components = 0.100389 Jy ! Clean residual min=-0.007036 max=0.006784 Jy/beam ! Clean residual mean=-0.000004 rms=0.001956 Jy/beam ! Combined flux in latest and established models = 0.100389 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 27 model components to the UV plane model. ! The established model now contains 27 components and 0.100389 Jy ! Inverting map and beam ! Estimated beam: bmin=3.557 mas, bmaj=25.39 mas, bpa=-18.44 degrees ! Estimated noise=1.76246 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 = -0.000679855 Jy ! Component: 100 - total flux cleaned = -0.00110117 Jy ! Component: 150 - total flux cleaned = -0.00131978 Jy ! Component: 200 - total flux cleaned = -0.00150224 Jy ! Total flux subtracted in 200 components = -0.00150224 Jy ! Clean residual min=-0.004772 max=0.005357 Jy/beam ! Clean residual mean=-0.000035 rms=0.001479 Jy/beam ! Combined flux in latest and established models = 0.0988872 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 49 components and 0.0988872 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=9.771 mas, bmaj=26.64 mas, bpa=-15.92 degrees ! Estimated noise=2.08038 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 = 0.000332118 Jy ! Component: 100 - total flux cleaned = 0.000286996 Jy ! Component: 150 - total flux cleaned = 0.000118565 Jy ! Component: 200 - total flux cleaned = 3.00078e-05 Jy ! Total flux subtracted in 200 components = 3.00078e-05 Jy ! Clean residual min=-0.004570 max=0.004811 Jy/beam ! Clean residual mean=-0.000060 rms=0.001567 Jy/beam ! Combined flux in latest and established models = 0.0989172 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 65 components and 0.0989172 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.557 mas, bmaj=25.39 mas, bpa=-18.44 degrees ! Estimated noise=1.76246 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000147343 Jy ! Component: 100 - total flux cleaned = -0.000293793 Jy ! Component: 150 - total flux cleaned = -0.000415659 Jy ! Component: 200 - total flux cleaned = -0.000562131 Jy ! Total flux subtracted in 200 components = -0.000562131 Jy ! Clean residual min=-0.004591 max=0.005460 Jy/beam ! Clean residual mean=-0.000032 rms=0.001400 Jy/beam ! Combined flux in latest and established models = 0.0983551 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 76 components and 0.0983551 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063196Jy sigma=0.908091 ! Fit after self-cal, rms=0.063209Jy sigma=0.907711 wmodel J2103-0933_S_2005_07_20_yyk\_map.mod ! Writing 76 model components to file: J2103-0933_S_2005_07_20_yyk_map.mod wobs J2103-0933_S_2005_07_20_yyk\_uvs.fits ! Writing UV FITS file: J2103-0933_S_2005_07_20_yyk_uvs.fits wwins J2103-0933_S_2005_07_20_yyk\_map.win ! wwins: Wrote 1 windows to J2103-0933_S_2005_07_20_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 = 0.00189388 Jy ! Component: 100 - total flux cleaned = 0.00196335 Jy ! Component: 150 - total flux cleaned = 0.00223313 Jy ! Component: 200 - total flux cleaned = 0.00254225 Jy ! Component: 250 - total flux cleaned = 0.00236893 Jy ! Component: 300 - total flux cleaned = 0.00220695 Jy ! Component: 350 - total flux cleaned = 0.00205345 Jy ! Component: 400 - total flux cleaned = 0.00195516 Jy ! Component: 450 - total flux cleaned = 0.00181351 Jy ! Component: 500 - total flux cleaned = 0.00181251 Jy ! Component: 550 - total flux cleaned = 0.00163624 Jy ! Component: 600 - total flux cleaned = 0.00138001 Jy ! Component: 650 - total flux cleaned = 0.00117295 Jy ! Component: 700 - total flux cleaned = 0.000930191 Jy ! Component: 750 - total flux cleaned = 0.000693433 Jy ! Component: 800 - total flux cleaned = 0.000462531 Jy ! Component: 850 - total flux cleaned = 0.000199546 Jy ! Component: 900 - total flux cleaned = 5.44457e-05 Jy ! Component: 950 - total flux cleaned = -5.33995e-05 Jy ! Component: 1000 - total flux cleaned = -0.000298047 Jy ! Total flux subtracted in 1024 components = -0.000401227 Jy ! Clean residual min=-0.001892 max=0.001852 Jy/beam ! Clean residual mean=-0.000037 rms=0.000726 Jy/beam ! Combined flux in latest and established models = 0.0979538 Jy keep ! Adding 55 model components to the UV plane model. ! The established model now contains 131 components and 0.0979538 Jy ![Exited script file: muppet] wmap "J2103-0933_S_2005_07_20_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.557 x 25.39 at -18.44 degrees (North through East) ! Clean map min=-0.0044063 max=0.092956 Jy/beam ! Writing clean map to FITS file: J2103-0933_S_2005_07_20_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0929562 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00072429 device "J2103-0933_S_2005_07_20_yyk\_map.eps/VPS" ! Attempting to open device: 'J2103-0933_S_2005_07_20_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -2.33752 2.33752 4.67504 9.35009 18.7002 37.4003 74.8007 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0021 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.092 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.557 x 25.39 at -18.44 degrees (North through East) ! Clean map min=-0.0044063 max=0.092956 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2103-0933_S_2005_07_20_yyk\_map.gif/gif" ! Attempting to open device: 'J2103-0933_S_2005_07_20_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J2103-0933_S_2005_07_20_yyk_uvs.log closed on Fri Jan 20 11:27:10 2006