! Started logfile: J0024-0811_S_2004_05_27_yyk_uvs.log on Wed Dec 7 01:10:26 2005 obs J0024-0811_S_2004_05_27_yyk_uve.fits ! Reading UV FITS file: J0024-0811_S_2004_05_27_yyk_uve.fits ! AN table 1: 17 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.581699 visibilities/baseline/integration-bin. ! Found source: J0024-0811 ! ! 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 1388 lines of history. ! ! Reading 1780 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 J0024-0811_S_2004_05_27_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)= 0.106199 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 54 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 51 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 51 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 101 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.936179Jy sigma=17.045428 ! Fit after self-cal, rms=0.932004Jy sigma=17.002053 ! 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=5.283 mas, bmaj=13.99 mas, bpa=-3.759 degrees ! Estimated noise=2.0409 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 = 0.0595231 Jy ! Component: 100 - total flux cleaned = 0.0724346 Jy ! Total flux subtracted in 100 components = 0.0724346 Jy ! Clean residual min=-0.007497 max=0.005764 Jy/beam ! Clean residual mean=0.000003 rms=0.001957 Jy/beam ! Combined flux in latest and established models = 0.0724346 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 19 components and 0.0724346 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077978Jy sigma=1.077080 ! Fit after self-cal, rms=0.078004Jy sigma=1.076733 ! 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=8.147 mas, bmaj=15.74 mas, bpa=3.322 degrees ! Estimated noise=1.11295 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 = 0.00805901 Jy ! Component: 100 - total flux cleaned = 0.0111877 Jy ! Component: 150 - total flux cleaned = 0.012168 Jy ! Component: 200 - total flux cleaned = 0.0121685 Jy ! Total flux subtracted in 200 components = 0.0121685 Jy ! Clean residual min=-0.003347 max=0.004099 Jy/beam ! Clean residual mean=-0.000006 rms=0.001145 Jy/beam ! Combined flux in latest and established models = 0.0846031 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 42 components and 0.0846032 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077522Jy sigma=1.063646 ! Fit after self-cal, rms=0.077523Jy sigma=1.063607 ! 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: 1.00583 ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.05 HN 0.97 KP 0.93 ! LA 1.10 MK 1.00* NL 0.94 OV 1.00 ! PT 1.03 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 ! 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. ! 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=0.077523Jy sigma=1.063607 ! Fit after self-cal, rms=0.077215Jy sigma=1.061888 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=0.077215Jy sigma=1.061888 ! Fit after self-cal, rms=0.077214Jy sigma=1.061880 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=8.079 mas, bmaj=15.53 mas, bpa=3.226 degrees ! Estimated noise=1.11772 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 = 0.00160637 Jy ! Component: 100 - total flux cleaned = 0.00175469 Jy ! Component: 150 - total flux cleaned = 0.00172401 Jy ! Component: 200 - total flux cleaned = 0.00169303 Jy ! Total flux subtracted in 200 components = 0.00169303 Jy ! Clean residual min=-0.003259 max=0.003553 Jy/beam ! Clean residual mean=0.000036 rms=0.001102 Jy/beam ! Combined flux in latest and established models = 0.0862962 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 46 components and 0.0862962 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077158Jy sigma=1.061158 ! Fit after self-cal, rms=0.077155Jy sigma=1.061152 ! 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=0.077155Jy sigma=1.061152 ! Fit after self-cal, rms=0.073014Jy sigma=0.986030 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 = 0.00250909 Jy ! Component: 100 - total flux cleaned = 0.00279249 Jy ! Component: 150 - total flux cleaned = 0.00279498 Jy ! Component: 200 - total flux cleaned = 0.00269782 Jy ! Total flux subtracted in 200 components = 0.00269782 Jy ! Clean residual min=-0.003786 max=0.003686 Jy/beam ! Clean residual mean=0.000027 rms=0.001059 Jy/beam ! Combined flux in latest and established models = 0.088994 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 53 components and 0.088994 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.072887Jy sigma=0.983850 ! Fit after self-cal, rms=0.072491Jy sigma=0.978418 ! 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: 8.079 x 15.53 at 3.226 degrees (North through East) ! Clean map min=-0.0037318 max=0.078239 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=10.52 mas, bmaj=17.23 mas, bpa=13.43 degrees ! Estimated noise=1.1569 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 = 1.76112e-05 Jy ! Component: 100 - total flux cleaned = 6.24897e-05 Jy ! Component: 150 - total flux cleaned = 4.26147e-05 Jy ! Component: 200 - total flux cleaned = 2.36764e-05 Jy ! Total flux subtracted in 200 components = 2.36764e-05 Jy ! Clean residual min=-0.003479 max=0.003530 Jy/beam ! Clean residual mean=0.000031 rms=0.001036 Jy/beam ! Combined flux in latest and established models = 0.0890177 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 58 components and 0.0890177 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.072473Jy sigma=0.978166 ! Fit after self-cal, rms=0.072431Jy sigma=0.977486 ! 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=5.271 mas, bmaj=13.95 mas, bpa=-3.756 degrees ! Estimated noise=2.03492 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.062464 Jy ! Component: 100 - total flux cleaned = 0.0760737 Jy ! Component: 150 - total flux cleaned = 0.0827985 Jy ! Component: 200 - total flux cleaned = 0.0860839 Jy ! Total flux subtracted in 200 components = 0.0860839 Jy ! Clean residual min=-0.005558 max=0.006113 Jy/beam ! Clean residual mean=0.000012 rms=0.001932 Jy/beam ! Combined flux in latest and established models = 0.0860839 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 23 model components to the UV plane model. ! The established model now contains 23 components and 0.0860839 Jy ! Inverting map and beam ! Estimated beam: bmin=8.079 mas, bmaj=15.53 mas, bpa=3.226 degrees ! Estimated noise=1.11772 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 = 0.00322373 Jy ! Component: 100 - total flux cleaned = 0.00354471 Jy ! Component: 150 - total flux cleaned = 0.00354989 Jy ! Component: 200 - total flux cleaned = 0.00346365 Jy ! Total flux subtracted in 200 components = 0.00346365 Jy ! Clean residual min=-0.003930 max=0.003956 Jy/beam ! Clean residual mean=0.000019 rms=0.001100 Jy/beam ! Combined flux in latest and established models = 0.0895476 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 38 components and 0.0895476 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=10.52 mas, bmaj=17.23 mas, bpa=13.43 degrees ! Estimated noise=1.1569 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 = -7.31431e-05 Jy ! Component: 100 - total flux cleaned = -0.000105019 Jy ! Component: 150 - total flux cleaned = -0.000133592 Jy ! Component: 200 - total flux cleaned = -0.000160945 Jy ! Total flux subtracted in 200 components = -0.000160945 Jy ! Clean residual min=-0.003496 max=0.003697 Jy/beam ! Clean residual mean=0.000026 rms=0.001062 Jy/beam ! Combined flux in latest and established models = 0.0893866 Jy ! Adding 8 model components to the UV plane model. ! The established model now contains 42 components and 0.0893866 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=8.079 mas, bmaj=15.53 mas, bpa=3.226 degrees ! Estimated noise=1.11772 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000164943 Jy ! Component: 100 - total flux cleaned = -0.000235547 Jy ! Component: 150 - total flux cleaned = -0.000335858 Jy ! Component: 200 - total flux cleaned = -0.000398815 Jy ! Total flux subtracted in 200 components = -0.000398815 Jy ! Clean residual min=-0.003904 max=0.003770 Jy/beam ! Clean residual mean=0.000024 rms=0.001061 Jy/beam ! Combined flux in latest and established models = 0.0889878 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 44 components and 0.0889878 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.072380Jy sigma=0.977551 ! Fit after self-cal, rms=0.072330Jy sigma=0.977355 wmodel J0024-0811_S_2004_05_27_yyk\_map.mod ! Writing 44 model components to file: J0024-0811_S_2004_05_27_yyk_map.mod wobs J0024-0811_S_2004_05_27_yyk\_uvs.fits ! Writing UV FITS file: J0024-0811_S_2004_05_27_yyk_uvs.fits wwins J0024-0811_S_2004_05_27_yyk\_map.win ! wwins: Wrote 1 windows to J0024-0811_S_2004_05_27_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 = 0.000374409 Jy ! Component: 100 - total flux cleaned = 0.00108235 Jy ! Component: 150 - total flux cleaned = 0.00125231 Jy ! Component: 200 - total flux cleaned = 0.0011603 Jy ! Component: 250 - total flux cleaned = 0.000941538 Jy ! Component: 300 - total flux cleaned = 0.000943156 Jy ! Component: 350 - total flux cleaned = 0.000904258 Jy ! Component: 400 - total flux cleaned = 0.000904308 Jy ! Component: 450 - total flux cleaned = 0.000904145 Jy ! Component: 500 - total flux cleaned = 0.000904555 Jy ! Component: 550 - total flux cleaned = 0.000973391 Jy ! Component: 600 - total flux cleaned = 0.0010063 Jy ! Component: 650 - total flux cleaned = 0.0010695 Jy ! Component: 700 - total flux cleaned = 0.00116262 Jy ! Component: 750 - total flux cleaned = 0.00125405 Jy ! Component: 800 - total flux cleaned = 0.00134285 Jy ! Component: 850 - total flux cleaned = 0.00128497 Jy ! Component: 900 - total flux cleaned = 0.00139771 Jy ! Component: 950 - total flux cleaned = 0.0013693 Jy ! Component: 1000 - total flux cleaned = 0.00131516 Jy ! Total flux subtracted in 1024 components = 0.00128862 Jy ! Clean residual min=-0.001420 max=0.002074 Jy/beam ! Clean residual mean=0.000007 rms=0.000574 Jy/beam ! Combined flux in latest and established models = 0.0902764 Jy keep ! Adding 62 model components to the UV plane model. ! The established model now contains 106 components and 0.0902764 Jy ![Exited script file: muppet] wmap "J0024-0811_S_2004_05_27_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 8.079 x 15.53 at 3.226 degrees (North through East) ! Clean map min=-0.0032747 max=0.078435 Jy/beam ! Writing clean map to FITS file: J0024-0811_S_2004_05_27_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0784348 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000572764 device "J0024-0811_S_2004_05_27_yyk\_map.eps/VPS" ! Attempting to open device: 'J0024-0811_S_2004_05_27_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -2.19073 2.19073 4.38146 8.76291 17.5258 35.0517 70.1033 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0017 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.078 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 8.079 x 15.53 at 3.226 degrees (North through East) ! Clean map min=-0.0032747 max=0.078435 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0024-0811_S_2004_05_27_yyk\_map.gif/gif" ! Attempting to open device: 'J0024-0811_S_2004_05_27_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0024-0811_S_2004_05_27_yyk_uvs.log closed on Wed Dec 7 01:10:27 2005