! Started logfile: J1019-2708_S_2004_05_08_yyk_uvs.log on Wed Dec 7 01:03:52 2005 obs J1019-2708_S_2004_05_08_yyk_uve.fits ! Reading UV FITS file: J1019-2708_S_2004_05_08_yyk_uve.fits ! AN table 1: 8 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.3 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1019-2708 ! ! 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 1437 lines of history. ! ! Reading 432 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 J1019-2708_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)= 0.114979 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 39 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 80 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 54 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.932989Jy sigma=15.295069 ! Fit after self-cal, rms=0.924244Jy sigma=15.230649 ! 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=8.023 mas, bmaj=22.67 mas, bpa=4.134 degrees ! Estimated noise=3.56931 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 = 0.0631097 Jy ! Component: 100 - total flux cleaned = 0.0746623 Jy ! Total flux subtracted in 100 components = 0.0746623 Jy ! Clean residual min=-0.011580 max=0.009296 Jy/beam ! Clean residual mean=0.000130 rms=0.003366 Jy/beam ! Combined flux in latest and established models = 0.0746623 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 15 components and 0.0746623 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082552Jy sigma=1.158770 ! Fit after self-cal, rms=0.082733Jy sigma=1.159518 ! 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=9.461 mas, bmaj=25.13 mas, bpa=7.923 degrees ! Estimated noise=2.81563 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 = 0.00976744 Jy ! Component: 100 - total flux cleaned = 0.014482 Jy ! Component: 150 - total flux cleaned = 0.0173087 Jy ! Component: 200 - total flux cleaned = 0.0184572 Jy ! Total flux subtracted in 200 components = 0.0184572 Jy ! Clean residual min=-0.008244 max=0.008514 Jy/beam ! Clean residual mean=0.000080 rms=0.002892 Jy/beam ! Combined flux in latest and established models = 0.0931195 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 30 components and 0.0931195 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.081751Jy sigma=1.143225 ! Fit after self-cal, rms=0.081717Jy sigma=1.142944 ! 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 ! 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 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 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 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=0.081717Jy sigma=1.142944 ! Fit after self-cal, rms=0.082079Jy sigma=1.149088 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=0.082079Jy sigma=1.149088 ! Fit after self-cal, rms=0.082080Jy sigma=1.148847 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=9.449 mas, bmaj=25.15 mas, bpa=7.843 degrees ! Estimated noise=2.82242 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 = 0.000844598 Jy ! Component: 100 - total flux cleaned = 0.0011945 Jy ! Component: 150 - total flux cleaned = 0.00135617 Jy ! Component: 200 - total flux cleaned = 0.00150831 Jy ! Total flux subtracted in 200 components = 0.00150831 Jy ! Clean residual min=-0.008031 max=0.008494 Jy/beam ! Clean residual mean=0.000078 rms=0.002837 Jy/beam ! Combined flux in latest and established models = 0.0946278 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 40 components and 0.0946278 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082000Jy sigma=1.147953 ! Fit after self-cal, rms=0.082023Jy sigma=1.147942 ! 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=0.082023Jy sigma=1.147942 ! Fit after self-cal, rms=0.075123Jy sigma=1.057488 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 = 0.0034975 Jy ! Component: 100 - total flux cleaned = 0.00411705 Jy ! Component: 150 - total flux cleaned = 0.0042496 Jy ! Component: 200 - total flux cleaned = 0.00425282 Jy ! Total flux subtracted in 200 components = 0.00425282 Jy ! Clean residual min=-0.006976 max=0.008357 Jy/beam ! Clean residual mean=0.000040 rms=0.002686 Jy/beam ! Combined flux in latest and established models = 0.0988807 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 32 model components to the UV plane model. ! The established model now contains 69 components and 0.0988807 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074633Jy sigma=1.052525 ! Fit after self-cal, rms=0.074207Jy sigma=1.044443 ! 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: 9.449 x 25.15 at 7.843 degrees (North through East) ! Clean map min=-0.0066914 max=0.082231 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=10.64 mas, bmaj=26.1 mas, bpa=9.925 degrees ! Estimated noise=2.86793 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 = -0.000545308 Jy ! Component: 100 - total flux cleaned = -0.000493877 Jy ! Component: 150 - total flux cleaned = -0.000590637 Jy ! Component: 200 - total flux cleaned = -0.000589529 Jy ! Total flux subtracted in 200 components = -0.000589529 Jy ! Clean residual min=-0.006883 max=0.008107 Jy/beam ! Clean residual mean=0.000061 rms=0.002798 Jy/beam ! Combined flux in latest and established models = 0.0982911 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 88 components and 0.0982911 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074137Jy sigma=1.043358 ! Fit after self-cal, rms=0.074164Jy sigma=1.042405 ! 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=8.04 mas, bmaj=22.62 mas, bpa=4.246 degrees ! Estimated noise=3.55899 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0694866 Jy ! Component: 100 - total flux cleaned = 0.0829247 Jy ! Component: 150 - total flux cleaned = 0.0870843 Jy ! Component: 200 - total flux cleaned = 0.0898232 Jy ! Total flux subtracted in 200 components = 0.0898232 Jy ! Clean residual min=-0.011384 max=0.012279 Jy/beam ! Clean residual mean=0.000060 rms=0.003403 Jy/beam ! Combined flux in latest and established models = 0.0898232 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 41 model components to the UV plane model. ! The established model now contains 41 components and 0.0898232 Jy ! Inverting map and beam ! Estimated beam: bmin=9.449 mas, bmaj=25.15 mas, bpa=7.843 degrees ! Estimated noise=2.82242 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 = 0.00410321 Jy ! Component: 100 - total flux cleaned = 0.00503309 Jy ! Component: 150 - total flux cleaned = 0.00553668 Jy ! Component: 200 - total flux cleaned = 0.00576792 Jy ! Total flux subtracted in 200 components = 0.00576792 Jy ! Clean residual min=-0.007334 max=0.008802 Jy/beam ! Clean residual mean=0.000048 rms=0.002853 Jy/beam ! Combined flux in latest and established models = 0.0955911 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 64 components and 0.0955911 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=10.64 mas, bmaj=26.1 mas, bpa=9.925 degrees ! Estimated noise=2.86793 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 = 5.79117e-05 Jy ! Component: 100 - total flux cleaned = 6.2507e-05 Jy ! Component: 150 - total flux cleaned = 0.00016421 Jy ! Component: 200 - total flux cleaned = 0.000257484 Jy ! Total flux subtracted in 200 components = 0.000257484 Jy ! Clean residual min=-0.007124 max=0.008648 Jy/beam ! Clean residual mean=0.000072 rms=0.002934 Jy/beam ! Combined flux in latest and established models = 0.0958486 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 70 components and 0.0958486 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=9.449 mas, bmaj=25.15 mas, bpa=7.843 degrees ! Estimated noise=2.82242 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0004549 Jy ! Component: 100 - total flux cleaned = 0.000493468 Jy ! Component: 150 - total flux cleaned = 0.000565822 Jy ! Component: 200 - total flux cleaned = 0.000600925 Jy ! Total flux subtracted in 200 components = 0.000600925 Jy ! Clean residual min=-0.007120 max=0.008583 Jy/beam ! Clean residual mean=0.000051 rms=0.002770 Jy/beam ! Combined flux in latest and established models = 0.0964495 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 82 components and 0.0964495 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074109Jy sigma=1.041545 ! Fit after self-cal, rms=0.074131Jy sigma=1.041098 wmodel J1019-2708_S_2004_05_08_yyk\_map.mod ! Writing 82 model components to file: J1019-2708_S_2004_05_08_yyk_map.mod wobs J1019-2708_S_2004_05_08_yyk\_uvs.fits ! Writing UV FITS file: J1019-2708_S_2004_05_08_yyk_uvs.fits wwins J1019-2708_S_2004_05_08_yyk\_map.win ! wwins: Wrote 1 windows to J1019-2708_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 = 0.00269546 Jy ! Component: 100 - total flux cleaned = 0.00208795 Jy ! Component: 150 - total flux cleaned = 0.00142993 Jy ! Component: 200 - total flux cleaned = 0.000298412 Jy ! Component: 250 - total flux cleaned = -0.000949772 Jy ! Component: 300 - total flux cleaned = -0.00185107 Jy ! Component: 350 - total flux cleaned = -0.00270422 Jy ! Component: 400 - total flux cleaned = -0.00351438 Jy ! Component: 450 - total flux cleaned = -0.00428275 Jy ! Component: 500 - total flux cleaned = -0.00465069 Jy ! Component: 550 - total flux cleaned = -0.00507385 Jy ! Component: 600 - total flux cleaned = -0.00534478 Jy ! Component: 650 - total flux cleaned = -0.0054764 Jy ! Component: 700 - total flux cleaned = -0.00566864 Jy ! Component: 750 - total flux cleaned = -0.00579212 Jy ! Component: 800 - total flux cleaned = -0.00597411 Jy ! Component: 850 - total flux cleaned = -0.00615003 Jy ! Component: 900 - total flux cleaned = -0.00632158 Jy ! Component: 950 - total flux cleaned = -0.00654379 Jy ! Component: 1000 - total flux cleaned = -0.00665221 Jy ! Total flux subtracted in 1024 components = -0.00670538 Jy ! Clean residual min=-0.003358 max=0.003057 Jy/beam ! Clean residual mean=0.000072 rms=0.001223 Jy/beam ! Combined flux in latest and established models = 0.0897441 Jy keep ! Adding 74 model components to the UV plane model. ! The established model now contains 156 components and 0.0897441 Jy ![Exited script file: muppet] wmap "J1019-2708_S_2004_05_08_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.449 x 25.15 at 7.843 degrees (North through East) ! Clean map min=-0.0071504 max=0.082043 Jy/beam ! Writing clean map to FITS file: J1019-2708_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 0.0820425 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00119423 device "J1019-2708_S_2004_05_08_yyk\_map.eps/VPS" ! Attempting to open device: 'J1019-2708_S_2004_05_08_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -4.36686 4.36686 8.73373 17.4675 34.9349 69.8698 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0035 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.082 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.449 x 25.15 at 7.843 degrees (North through East) ! Clean map min=-0.0071504 max=0.082043 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1019-2708_S_2004_05_08_yyk\_map.gif/gif" ! Attempting to open device: 'J1019-2708_S_2004_05_08_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1019-2708_S_2004_05_08_yyk_uvs.log closed on Wed Dec 7 01:03:53 2005