! Started logfile: J0711-1359_S_2004_05_08_yyk_uvs.log on Wed Dec 7 01:03:12 2005 obs J0711-1359_S_2004_05_08_yyk_uve.fits ! Reading UV FITS file: J0711-1359_S_2004_05_08_yyk_uve.fits ! AN table 1: 12 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.218519 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0711-1359 ! ! 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 1434 lines of history. ! ! Reading 472 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 J0711-1359_S_2004_05_08_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)= 0.112405 Jy startmod ,phase_soltime ! Applying default point source starting model. ! Performing phase self-cal over 10 minute time intervals ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 79 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 93 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.932502Jy sigma=15.460333 ! Fit after self-cal, rms=0.917422Jy sigma=15.499239 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. 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=6.022 mas, bmaj=23.58 mas, bpa=-8.773 degrees ! Estimated noise=4.20287 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 = 0.0745739 Jy ! Component: 100 - total flux cleaned = 0.0881946 Jy ! Total flux subtracted in 100 components = 0.0881946 Jy ! Clean residual min=-0.010480 max=0.011434 Jy/beam ! Clean residual mean=-0.000177 rms=0.003445 Jy/beam ! Combined flux in latest and established models = 0.0881946 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 0.0881946 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.073249Jy sigma=1.060079 ! Fit after self-cal, rms=0.073272Jy sigma=1.058523 ! Inverting map 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=7.177 mas, bmaj=21.95 mas, bpa=-4.27 degrees ! Estimated noise=3.01448 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 = 0.00421399 Jy ! Component: 100 - total flux cleaned = 0.00172609 Jy ! Component: 150 - total flux cleaned = -0.000596447 Jy ! Component: 200 - total flux cleaned = -0.00158812 Jy ! Total flux subtracted in 200 components = -0.00158812 Jy ! Clean residual min=-0.004411 max=0.005302 Jy/beam ! Clean residual mean=-0.000042 rms=0.001635 Jy/beam ! Combined flux in latest and established models = 0.0866065 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 31 model components to the UV plane model. ! The established model now contains 35 components and 0.0866065 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.072723Jy sigma=1.038138 ! Fit after self-cal, rms=0.072672Jy sigma=1.037313 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! selflims ampcor_selflim ! 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: 1.02036 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.03 HN 0.88 KP 1.07 ! LA 1.00* MK 1.00* NL 0.89 OV 0.93 ! PT 1.00* SC 1.00* ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 0.991708 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00 HN 1.00* KP 1.01 ! LA 1.06 MK 1.00* NL 0.98 OV 1.02 ! 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 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* ! ! ! Correcting IF 4. ! A total of 3 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=0.072672Jy sigma=1.037313 ! Fit after self-cal, rms=0.072174Jy sigma=1.036927 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=0.072174Jy sigma=1.036927 ! Fit after self-cal, rms=0.071980Jy sigma=1.035468 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=6.76 mas, bmaj=21.68 mas, bpa=-4.772 degrees ! Estimated noise=3.04806 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 = 0.00304227 Jy ! Component: 100 - total flux cleaned = 0.00279376 Jy ! Component: 150 - total flux cleaned = 0.00294072 Jy ! Component: 200 - total flux cleaned = 0.00320144 Jy ! Total flux subtracted in 200 components = 0.00320144 Jy ! Clean residual min=-0.005016 max=0.004715 Jy/beam ! Clean residual mean=-0.000027 rms=0.001452 Jy/beam ! Combined flux in latest and established models = 0.0898079 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 45 components and 0.0898079 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.071799Jy sigma=1.031872 ! Fit after self-cal, rms=0.071819Jy sigma=1.031509 ! 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=0.071819Jy sigma=1.031509 ! Fit after self-cal, rms=0.064318Jy sigma=0.902768 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 = 0.00501822 Jy ! Component: 100 - total flux cleaned = 0.00805333 Jy ! Component: 150 - total flux cleaned = 0.010281 Jy ! Component: 200 - total flux cleaned = 0.0115991 Jy ! Total flux subtracted in 200 components = 0.0115991 Jy ! Clean residual min=-0.005471 max=0.003934 Jy/beam ! Clean residual mean=-0.000001 rms=0.001363 Jy/beam ! Combined flux in latest and established models = 0.101407 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 29 model components to the UV plane model. ! The established model now contains 70 components and 0.101407 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.064211Jy sigma=0.895713 ! Fit after self-cal, rms=0.063296Jy sigma=0.884242 ! 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: 6.76 x 21.68 at -4.772 degrees (North through East) ! Clean map min=-0.0055174 max=0.091171 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=8.483 mas, bmaj=21.97 mas, bpa=-1.847 degrees ! Estimated noise=3.17486 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 = 0.0017589 Jy ! Component: 100 - total flux cleaned = 0.0024336 Jy ! Component: 150 - total flux cleaned = 0.00295305 Jy ! Component: 200 - total flux cleaned = 0.00328371 Jy ! Total flux subtracted in 200 components = 0.00328371 Jy ! Clean residual min=-0.004995 max=0.004381 Jy/beam ! Clean residual mean=0.000025 rms=0.001377 Jy/beam ! Combined flux in latest and established models = 0.104691 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 85 components and 0.104691 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063294Jy sigma=0.882898 ! Fit after self-cal, rms=0.063155Jy sigma=0.881678 ! 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=5.855 mas, bmaj=23.52 mas, bpa=-8.652 degrees ! Estimated noise=4.28062 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0797119 Jy ! Component: 100 - total flux cleaned = 0.0975344 Jy ! Component: 150 - total flux cleaned = 0.102378 Jy ! Component: 200 - total flux cleaned = 0.103548 Jy ! Total flux subtracted in 200 components = 0.103548 Jy ! Clean residual min=-0.006829 max=0.007070 Jy/beam ! Clean residual mean=-0.000018 rms=0.002411 Jy/beam ! Combined flux in latest and established models = 0.103548 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 24 model components to the UV plane model. ! The established model now contains 24 components and 0.103548 Jy ! Inverting map and beam ! Estimated beam: bmin=6.76 mas, bmaj=21.68 mas, bpa=-4.772 degrees ! Estimated noise=3.04806 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 = 0.00382767 Jy ! Component: 100 - total flux cleaned = 0.00344299 Jy ! Component: 150 - total flux cleaned = 0.00288198 Jy ! Component: 200 - total flux cleaned = 0.00281938 Jy ! Total flux subtracted in 200 components = 0.00281938 Jy ! Clean residual min=-0.005023 max=0.004366 Jy/beam ! Clean residual mean=0.000019 rms=0.001384 Jy/beam ! Combined flux in latest and established models = 0.106367 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 34 components and 0.106367 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=8.483 mas, bmaj=21.97 mas, bpa=-1.847 degrees ! Estimated noise=3.17486 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 = -0.000347345 Jy ! Component: 100 - total flux cleaned = -0.000625196 Jy ! Component: 150 - total flux cleaned = -0.000870471 Jy ! Component: 200 - total flux cleaned = -0.000963997 Jy ! Total flux subtracted in 200 components = -0.000963997 Jy ! Clean residual min=-0.004623 max=0.004244 Jy/beam ! Clean residual mean=0.000031 rms=0.001364 Jy/beam ! Combined flux in latest and established models = 0.105403 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 44 components and 0.105403 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=6.76 mas, bmaj=21.68 mas, bpa=-4.772 degrees ! Estimated noise=3.04806 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00084368 Jy ! Component: 100 - total flux cleaned = 0.00115207 Jy ! Component: 150 - total flux cleaned = 0.00127063 Jy ! Component: 200 - total flux cleaned = 0.0012318 Jy ! Total flux subtracted in 200 components = 0.0012318 Jy ! Clean residual min=-0.005024 max=0.004277 Jy/beam ! Clean residual mean=0.000016 rms=0.001347 Jy/beam ! Combined flux in latest and established models = 0.106635 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 56 components and 0.106635 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063143Jy sigma=0.880076 ! Fit after self-cal, rms=0.063045Jy sigma=0.879274 wmodel J0711-1359_S_2004_05_08_yyk\_map.mod ! Writing 56 model components to file: J0711-1359_S_2004_05_08_yyk_map.mod wobs J0711-1359_S_2004_05_08_yyk\_uvs.fits ! Writing UV FITS file: J0711-1359_S_2004_05_08_yyk_uvs.fits wwins J0711-1359_S_2004_05_08_yyk\_map.win ! wwins: Wrote 1 windows to J0711-1359_S_2004_05_08_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 = -0.00115958 Jy ! Component: 100 - total flux cleaned = -0.000762699 Jy ! Component: 150 - total flux cleaned = -0.000472632 Jy ! Component: 200 - total flux cleaned = -0.000304961 Jy ! Component: 250 - total flux cleaned = -0.000201025 Jy ! Component: 300 - total flux cleaned = -0.000151775 Jy ! Component: 350 - total flux cleaned = -5.63344e-05 Jy ! Component: 400 - total flux cleaned = 8.07639e-05 Jy ! Component: 450 - total flux cleaned = 0.00025787 Jy ! Component: 500 - total flux cleaned = 0.000386583 Jy ! Component: 550 - total flux cleaned = 0.00046928 Jy ! Component: 600 - total flux cleaned = 0.000508802 Jy ! Component: 650 - total flux cleaned = 0.000702592 Jy ! Component: 700 - total flux cleaned = 0.000854471 Jy ! Component: 750 - total flux cleaned = 0.00107707 Jy ! Component: 800 - total flux cleaned = 0.00125745 Jy ! Component: 850 - total flux cleaned = 0.00146906 Jy ! Component: 900 - total flux cleaned = 0.00170877 Jy ! Component: 950 - total flux cleaned = 0.00167524 Jy ! Component: 1000 - total flux cleaned = 0.00174092 Jy ! Total flux subtracted in 1024 components = 0.00170886 Jy ! Clean residual min=-0.002691 max=0.001768 Jy/beam ! Clean residual mean=0.000018 rms=0.000691 Jy/beam ! Combined flux in latest and established models = 0.108344 Jy keep ! Adding 50 model components to the UV plane model. ! The established model now contains 106 components and 0.108344 Jy ![Exited script file: muppet] wmap "J0711-1359_S_2004_05_08_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 6.76 x 21.68 at -4.772 degrees (North through East) ! Clean map min=-0.0044833 max=0.090943 Jy/beam ! Writing clean map to FITS file: J0711-1359_S_2004_05_08_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0909429 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000696971 device "J0711-1359_S_2004_05_08_yyk\_map.eps/VPS" ! Attempting to open device: 'J0711-1359_S_2004_05_08_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -2.29915 2.29915 4.5983 9.1966 18.3932 36.7864 73.5728 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.002 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.09 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 6.76 x 21.68 at -4.772 degrees (North through East) ! Clean map min=-0.0044833 max=0.090943 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0711-1359_S_2004_05_08_yyk\_map.gif/gif" ! Attempting to open device: 'J0711-1359_S_2004_05_08_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0711-1359_S_2004_05_08_yyk_uvs.log closed on Wed Dec 7 01:03:13 2005