! Started logfile: J1803-0433_X_2005_05_12_yyk_uvs.log on Sat Oct 8 22:59:54 2005 obs J1803-0433_X_2005_05_12_yyk_uve.fits ! Reading UV FITS file: J1803-0433_X_2005_05_12_yyk_uve.fits ! AN table 1: 19 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.59883 visibilities/baseline/integration-bin. ! Found source: J1803-0433 ! ! 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 1435 lines of history. ! ! Reading 2048 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 J1803-0433_X_2005_05_12_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)= 0.0873543 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=2.506 mas, bmaj=5.732 mas, bpa=43.51 degrees ! Estimated noise=1.68 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 = 0.0470761 Jy ! Component: 100 - total flux cleaned = 0.0580221 Jy ! Total flux subtracted in 100 components = 0.0580221 Jy ! Clean residual min=-0.007269 max=0.005887 Jy/beam ! Clean residual mean=-0.000027 rms=0.002008 Jy/beam ! Combined flux in latest and established models = 0.0580221 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.0580221 Jy ! ! Correcting IF 1. ! A total of 89 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 89 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 89 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 109 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.067952Jy sigma=1.159624 ! Fit after self-cal, rms=0.065232Jy sigma=1.102426 ! Inverting map and beam ! Estimated beam: bmin=2.506 mas, bmaj=5.732 mas, bpa=43.51 degrees ! Estimated noise=1.68 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=3.132 mas, bmaj=6.403 mas, bpa=37.87 degrees ! Estimated noise=1.21959 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 = 0.00850455 Jy ! Component: 100 - total flux cleaned = 0.0107255 Jy ! Component: 150 - total flux cleaned = 0.0117843 Jy ! Component: 200 - total flux cleaned = 0.0120152 Jy ! Total flux subtracted in 200 components = 0.0120152 Jy ! Clean residual min=-0.002802 max=0.003238 Jy/beam ! Clean residual mean=-0.000003 rms=0.000858 Jy/beam ! Combined flux in latest and established models = 0.0700372 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 31 components and 0.0700372 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.064683Jy sigma=1.083726 ! Fit after self-cal, rms=0.064631Jy sigma=1.083065 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.132 x 6.403 at 37.87 degrees (North through East) ! Clean map min=-0.0028091 max=0.060595 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: 1.02139 ! Telescope amplitude corrections in sub-array 1: ! BR 0.85 FD 0.94 HN 1.00* KP 0.96 ! LA 1.00 MK 1.00* NL 1.00* OV 1.03 ! PT 1.02 SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.03038 ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.01 HN 1.00* KP 0.92 ! LA 0.97 MK 1.00* NL 1.00* OV 0.91 ! PT 0.96 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. ! A total of 6 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=0.064631Jy sigma=1.083065 ! Fit after self-cal, rms=0.062071Jy sigma=1.068791 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=0.062071Jy sigma=1.068791 ! Fit after self-cal, rms=0.062018Jy sigma=1.067807 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.072 mas, bmaj=6.292 mas, bpa=39.2 degrees ! Estimated noise=1.19645 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 = 0.00084561 Jy ! Component: 100 - total flux cleaned = 0.00112698 Jy ! Component: 150 - total flux cleaned = 0.00120623 Jy ! Component: 200 - total flux cleaned = 0.00113451 Jy ! Total flux subtracted in 200 components = 0.00113451 Jy ! Clean residual min=-0.002646 max=0.003105 Jy/beam ! Clean residual mean=-0.000002 rms=0.000819 Jy/beam ! Combined flux in latest and established models = 0.0711717 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 38 components and 0.0711717 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.061963Jy sigma=1.066698 ! Fit after self-cal, rms=0.061923Jy sigma=1.066267 ! 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=0.061923Jy sigma=1.066267 ! Fit after self-cal, rms=0.054113Jy sigma=0.940457 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 = 0.0034554 Jy ! Component: 100 - total flux cleaned = 0.00276219 Jy ! Component: 150 - total flux cleaned = 0.00235402 Jy ! Component: 200 - total flux cleaned = 0.00215288 Jy ! Total flux subtracted in 200 components = 0.00215288 Jy ! Clean residual min=-0.002781 max=0.002981 Jy/beam ! Clean residual mean=-0.000003 rms=0.000788 Jy/beam ! Combined flux in latest and established models = 0.0733246 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 48 components and 0.0733246 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.053808Jy sigma=0.934112 ! Fit after self-cal, rms=0.053204Jy sigma=0.926643 ! 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: 3.072 x 6.292 at 39.2 degrees (North through East) ! Clean map min=-0.002837 max=0.06487 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=3.442 mas, bmaj=6.421 mas, bpa=37.96 degrees ! Estimated noise=1.21103 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 = -4.00247e-05 Jy ! Component: 100 - total flux cleaned = -0.000198235 Jy ! Component: 150 - total flux cleaned = -0.000316037 Jy ! Component: 200 - total flux cleaned = -0.000425203 Jy ! Total flux subtracted in 200 components = -0.000425203 Jy ! Clean residual min=-0.002798 max=0.002795 Jy/beam ! Clean residual mean=-0.000001 rms=0.000734 Jy/beam ! Combined flux in latest and established models = 0.0728994 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 51 components and 0.0728994 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.053164Jy sigma=0.926027 ! Fit after self-cal, rms=0.053093Jy sigma=0.925254 ! 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=2.476 mas, bmaj=5.718 mas, bpa=43.79 degrees ! Estimated noise=1.63869 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0548505 Jy ! Component: 100 - total flux cleaned = 0.0641403 Jy ! Component: 150 - total flux cleaned = 0.0687369 Jy ! Component: 200 - total flux cleaned = 0.0704205 Jy ! Total flux subtracted in 200 components = 0.0704205 Jy ! Clean residual min=-0.004136 max=0.003709 Jy/beam ! Clean residual mean=-0.000011 rms=0.001243 Jy/beam ! Combined flux in latest and established models = 0.0704205 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 29 model components to the UV plane model. ! The established model now contains 29 components and 0.0704205 Jy ! Inverting map and beam ! Estimated beam: bmin=3.072 mas, bmaj=6.292 mas, bpa=39.2 degrees ! Estimated noise=1.19645 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 = 0.000774315 Jy ! Component: 100 - total flux cleaned = 0.00152904 Jy ! Component: 150 - total flux cleaned = 0.00164467 Jy ! Component: 200 - total flux cleaned = 0.00164563 Jy ! Total flux subtracted in 200 components = 0.00164563 Jy ! Clean residual min=-0.002706 max=0.003313 Jy/beam ! Clean residual mean=-0.000001 rms=0.000820 Jy/beam ! Combined flux in latest and established models = 0.0720662 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 37 components and 0.0720662 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=3.442 mas, bmaj=6.421 mas, bpa=37.96 degrees ! Estimated noise=1.21103 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 = 0.00018998 Jy ! Component: 100 - total flux cleaned = 0.000155996 Jy ! Component: 150 - total flux cleaned = 8.96056e-05 Jy ! Component: 200 - total flux cleaned = 2.90149e-05 Jy ! Total flux subtracted in 200 components = 2.90149e-05 Jy ! Clean residual min=-0.002653 max=0.002991 Jy/beam ! Clean residual mean=0.000000 rms=0.000741 Jy/beam ! Combined flux in latest and established models = 0.0720952 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 46 components and 0.0720952 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.072 mas, bmaj=6.292 mas, bpa=39.2 degrees ! Estimated noise=1.19645 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -9.75959e-05 Jy ! Component: 100 - total flux cleaned = -0.000155455 Jy ! Component: 150 - total flux cleaned = -0.000237917 Jy ! Component: 200 - total flux cleaned = -0.000288212 Jy ! Total flux subtracted in 200 components = -0.000288212 Jy ! Clean residual min=-0.002718 max=0.003180 Jy/beam ! Clean residual mean=0.000000 rms=0.000778 Jy/beam ! Combined flux in latest and established models = 0.071807 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 53 components and 0.071807 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.053083Jy sigma=0.924972 ! Fit after self-cal, rms=0.053075Jy sigma=0.924668 wmodel J1803-0433_X_2005_05_12_yyk\_map.mod ! Writing 53 model components to file: J1803-0433_X_2005_05_12_yyk_map.mod wobs J1803-0433_X_2005_05_12_yyk\_uvs.fits ! Writing UV FITS file: J1803-0433_X_2005_05_12_yyk_uvs.fits wwins J1803-0433_X_2005_05_12_yyk\_map.win ! wwins: Wrote 1 windows to J1803-0433_X_2005_05_12_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 = 0.000620939 Jy ! Component: 100 - total flux cleaned = 0.000671836 Jy ! Component: 150 - total flux cleaned = 0.000746855 Jy ! Component: 200 - total flux cleaned = 0.000583287 Jy ! Component: 250 - total flux cleaned = 0.000520581 Jy ! Component: 300 - total flux cleaned = 0.000551809 Jy ! Component: 350 - total flux cleaned = 0.000608988 Jy ! Component: 400 - total flux cleaned = 0.000635847 Jy ! Component: 450 - total flux cleaned = 0.000714499 Jy ! Component: 500 - total flux cleaned = 0.000789218 Jy ! Component: 550 - total flux cleaned = 0.000790124 Jy ! Component: 600 - total flux cleaned = 0.000859062 Jy ! Component: 650 - total flux cleaned = 0.000858636 Jy ! Component: 700 - total flux cleaned = 0.0008806 Jy ! Component: 750 - total flux cleaned = 0.0009018 Jy ! Component: 800 - total flux cleaned = 0.00084184 Jy ! Component: 850 - total flux cleaned = 0.000802588 Jy ! Component: 900 - total flux cleaned = 0.000802039 Jy ! Component: 950 - total flux cleaned = 0.000727638 Jy ! Component: 1000 - total flux cleaned = 0.000745627 Jy ! Total flux subtracted in 1024 components = 0.000727591 Jy ! Clean residual min=-0.001089 max=0.001450 Jy/beam ! Clean residual mean=0.000004 rms=0.000388 Jy/beam ! Combined flux in latest and established models = 0.0725346 Jy keep ! Adding 57 model components to the UV plane model. ! The established model now contains 110 components and 0.0725345 Jy ![Exited script file: muppet] wmap "J1803-0433_X_2005_05_12_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.072 x 6.292 at 39.2 degrees (North through East) ! Clean map min=-0.0026045 max=0.064687 Jy/beam ! Writing clean map to FITS file: J1803-0433_X_2005_05_12_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0646874 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000382334 device "J1803-0433_X_2005_05_12_yyk\_map.eps/VPS" ! Attempting to open device: 'J1803-0433_X_2005_05_12_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -1.77315 1.77315 3.54629 7.09258 14.1852 28.3703 56.7407 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0011 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.064 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.072 x 6.292 at 39.2 degrees (North through East) ! Clean map min=-0.0026045 max=0.064687 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1803-0433_X_2005_05_12_yyk\_map.gif/gif" ! Attempting to open device: 'J1803-0433_X_2005_05_12_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1803-0433_X_2005_05_12_yyk_uvs.log closed on Sat Oct 8 22:59:55 2005