! Started logfile: J0823-0939_X_2005_06_30_yyk_uvs.log on Sat Oct 8 22:56:01 2005 obs J0823-0939_X_2005_06_30_yyk_uve.fits ! Reading UV FITS file: J0823-0939_X_2005_06_30_yyk_uve.fits ! AN table 1: 16 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.643056 visibilities/baseline/integration-bin. ! Found source: J0823-0939 ! ! 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1460 lines of history. ! ! Reading 1852 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 J0823-0939_X_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 0.400x0.400 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.116879 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=2.204 mas, bmaj=4.767 mas, bpa=-4.106 degrees ! Estimated noise=2.61777 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 = 0.0669981 Jy ! Component: 100 - total flux cleaned = 0.0882064 Jy ! Total flux subtracted in 100 components = 0.0882064 Jy ! Clean residual min=-0.009774 max=0.012273 Jy/beam ! Clean residual mean=0.000008 rms=0.003181 Jy/beam ! Combined flux in latest and established models = 0.0882064 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 24 model components to the UV plane model. ! The established model now contains 24 components and 0.0882064 Jy ! ! Correcting IF 1. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 68 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=0.076349Jy sigma=1.190517 ! Fit after self-cal, rms=0.072794Jy sigma=1.131139 ! Inverting map and beam ! Estimated beam: bmin=2.204 mas, bmaj=4.767 mas, bpa=-4.106 degrees ! Estimated noise=2.61777 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=2.756 mas, bmaj=6.236 mas, bpa=-4.944 degrees ! Estimated noise=1.2572 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 = 0.0198618 Jy ! Component: 100 - total flux cleaned = 0.028844 Jy ! Component: 150 - total flux cleaned = 0.034024 Jy ! Component: 200 - total flux cleaned = 0.0373384 Jy ! Total flux subtracted in 200 components = 0.0373384 Jy ! Clean residual min=-0.005439 max=0.005740 Jy/beam ! Clean residual mean=0.000010 rms=0.001581 Jy/beam ! Combined flux in latest and established models = 0.125545 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 28 model components to the UV plane model. ! The established model now contains 50 components and 0.125545 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.069079Jy sigma=1.040221 ! Fit after self-cal, rms=0.069024Jy sigma=1.039767 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.756 x 6.236 at -4.944 degrees (North through East) ! Clean map min=-0.0051498 max=0.090571 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: 1.00666 ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 1.10 HN 1.00* KP 0.91 ! LA 1.00 MK 1.00* NL 1.05 OV 1.02 ! PT 0.97 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=0.069024Jy sigma=1.039767 ! Fit after self-cal, rms=0.068948Jy sigma=1.037860 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=0.068948Jy sigma=1.037860 ! Fit after self-cal, rms=0.068953Jy sigma=1.037844 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.773 mas, bmaj=6.28 mas, bpa=-5.062 degrees ! Estimated noise=1.26191 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 = 0.00202435 Jy ! Component: 100 - total flux cleaned = 0.00259801 Jy ! Component: 150 - total flux cleaned = 0.00292816 Jy ! Component: 200 - total flux cleaned = 0.00321628 Jy ! Total flux subtracted in 200 components = 0.00321628 Jy ! Clean residual min=-0.004675 max=0.004710 Jy/beam ! Clean residual mean=-0.000009 rms=0.001408 Jy/beam ! Combined flux in latest and established models = 0.128761 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 54 components and 0.128761 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068904Jy sigma=1.036645 ! Fit after self-cal, rms=0.068890Jy sigma=1.036548 ! 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=0.068890Jy sigma=1.036548 ! Fit after self-cal, rms=0.063580Jy sigma=0.942773 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 = 0.00276073 Jy ! Component: 100 - total flux cleaned = 0.00318301 Jy ! Component: 150 - total flux cleaned = 0.00318472 Jy ! Component: 200 - total flux cleaned = 0.00315795 Jy ! Total flux subtracted in 200 components = 0.00315795 Jy ! Clean residual min=-0.004550 max=0.004902 Jy/beam ! Clean residual mean=-0.000018 rms=0.001363 Jy/beam ! Combined flux in latest and established models = 0.131919 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 68 components and 0.131919 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063438Jy sigma=0.940702 ! Fit after self-cal, rms=0.062947Jy sigma=0.933931 ! 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: 2.773 x 6.28 at -5.062 degrees (North through East) ! Clean map min=-0.0043633 max=0.093648 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 = 70 mega-wavelengths. win_mult = win_mult * 1.4 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.154 mas, bmaj=6.499 mas, bpa=-3.396 degrees ! Estimated noise=1.28257 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 = 0.000169252 Jy ! Component: 100 - total flux cleaned = 0.000294701 Jy ! Component: 150 - total flux cleaned = 0.000330295 Jy ! Component: 200 - total flux cleaned = 0.000329995 Jy ! Total flux subtracted in 200 components = 0.000329995 Jy ! Clean residual min=-0.004409 max=0.004940 Jy/beam ! Clean residual mean=-0.000024 rms=0.001390 Jy/beam ! Combined flux in latest and established models = 0.132249 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 73 components and 0.132249 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062943Jy sigma=0.933747 ! Fit after self-cal, rms=0.062830Jy sigma=0.932713 ! 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=2.21 mas, bmaj=4.758 mas, bpa=-4.073 degrees ! Estimated noise=2.62514 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0755243 Jy ! Component: 100 - total flux cleaned = 0.0985589 Jy ! Component: 150 - total flux cleaned = 0.111068 Jy ! Component: 200 - total flux cleaned = 0.118526 Jy ! Total flux subtracted in 200 components = 0.118526 Jy ! Clean residual min=-0.005664 max=0.006986 Jy/beam ! Clean residual mean=0.000001 rms=0.001899 Jy/beam ! Combined flux in latest and established models = 0.118526 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 22 model components to the UV plane model. ! The established model now contains 22 components and 0.118526 Jy ! Inverting map and beam ! Estimated beam: bmin=2.773 mas, bmaj=6.28 mas, bpa=-5.062 degrees ! Estimated noise=1.26191 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 = 0.00592541 Jy ! Component: 100 - total flux cleaned = 0.00906078 Jy ! Component: 150 - total flux cleaned = 0.0109324 Jy ! Component: 200 - total flux cleaned = 0.0119613 Jy ! Total flux subtracted in 200 components = 0.0119613 Jy ! Clean residual min=-0.004968 max=0.004981 Jy/beam ! Clean residual mean=-0.000011 rms=0.001398 Jy/beam ! Combined flux in latest and established models = 0.130487 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 41 components and 0.130487 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.154 mas, bmaj=6.499 mas, bpa=-3.396 degrees ! Estimated noise=1.28257 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 = 0.000533749 Jy ! Component: 100 - total flux cleaned = 0.000707264 Jy ! Component: 150 - total flux cleaned = 0.0008599 Jy ! Component: 200 - total flux cleaned = 0.00094304 Jy ! Total flux subtracted in 200 components = 0.00094304 Jy ! Clean residual min=-0.004784 max=0.005019 Jy/beam ! Clean residual mean=-0.000019 rms=0.001419 Jy/beam ! Combined flux in latest and established models = 0.13143 Jy ! Adding 11 model components to the UV plane model. ! The established model now contains 45 components and 0.13143 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.773 mas, bmaj=6.28 mas, bpa=-5.062 degrees ! Estimated noise=1.26191 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 6.12966e-05 Jy ! Component: 100 - total flux cleaned = 8.29092e-05 Jy ! Component: 150 - total flux cleaned = 0.000145069 Jy ! Component: 200 - total flux cleaned = 0.000202661 Jy ! Total flux subtracted in 200 components = 0.000202661 Jy ! Clean residual min=-0.004551 max=0.004962 Jy/beam ! Clean residual mean=-0.000017 rms=0.001359 Jy/beam ! Combined flux in latest and established models = 0.131633 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 52 components and 0.131633 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062703Jy sigma=0.932918 ! Fit after self-cal, rms=0.062640Jy sigma=0.932538 wmodel J0823-0939_X_2005_06_30_yyk\_map.mod ! Writing 52 model components to file: J0823-0939_X_2005_06_30_yyk_map.mod wobs J0823-0939_X_2005_06_30_yyk\_uvs.fits ! Writing UV FITS file: J0823-0939_X_2005_06_30_yyk_uvs.fits wwins J0823-0939_X_2005_06_30_yyk\_map.win ! wwins: Wrote 1 windows to J0823-0939_X_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 = 0.000277979 Jy ! Component: 100 - total flux cleaned = -0.000350429 Jy ! Component: 150 - total flux cleaned = -0.000713233 Jy ! Component: 200 - total flux cleaned = -0.00109413 Jy ! Component: 250 - total flux cleaned = -0.00164814 Jy ! Component: 300 - total flux cleaned = -0.00197705 Jy ! Component: 350 - total flux cleaned = -0.00215448 Jy ! Component: 400 - total flux cleaned = -0.00240465 Jy ! Component: 450 - total flux cleaned = -0.00260155 Jy ! Component: 500 - total flux cleaned = -0.00275117 Jy ! Component: 550 - total flux cleaned = -0.00285958 Jy ! Component: 600 - total flux cleaned = -0.00306846 Jy ! Component: 650 - total flux cleaned = -0.00326921 Jy ! Component: 700 - total flux cleaned = -0.00336563 Jy ! Component: 750 - total flux cleaned = -0.00348986 Jy ! Component: 800 - total flux cleaned = -0.00351912 Jy ! Component: 850 - total flux cleaned = -0.00357791 Jy ! Component: 900 - total flux cleaned = -0.00352097 Jy ! Component: 950 - total flux cleaned = -0.00349323 Jy ! Component: 1000 - total flux cleaned = -0.00343908 Jy ! Total flux subtracted in 1024 components = -0.00343916 Jy ! Clean residual min=-0.001326 max=0.001575 Jy/beam ! Clean residual mean=-0.000010 rms=0.000582 Jy/beam ! Combined flux in latest and established models = 0.128194 Jy keep ! Adding 68 model components to the UV plane model. ! The established model now contains 120 components and 0.128194 Jy ![Exited script file: muppet] wmap "J0823-0939_X_2005_06_30_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.773 x 6.28 at -5.062 degrees (North through East) ! Clean map min=-0.0027991 max=0.093308 Jy/beam ! Writing clean map to FITS file: J0823-0939_X_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 0.0933075 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00057414 device "J0823-0939_X_2005_06_30_yyk\_map.eps/VPS" ! Attempting to open device: 'J0823-0939_X_2005_06_30_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -1.84596 1.84596 3.69192 7.38384 14.7677 29.5353 59.0707 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0017 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.093 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.773 x 6.28 at -5.062 degrees (North through East) ! Clean map min=-0.0027991 max=0.093308 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0823-0939_X_2005_06_30_yyk\_map.gif/gif" ! Attempting to open device: 'J0823-0939_X_2005_06_30_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0823-0939_X_2005_06_30_yyk_uvs.log closed on Sat Oct 8 22:56:02 2005