! Started logfile: J1131-1628_S_2005_07_08_yyk_uvs.log on Fri Jan 20 11:24:41 2006 obs J1131-1628_S_2005_07_08_yyk_uve.fits ! Reading UV FITS file: J1131-1628_S_2005_07_08_yyk_uve.fits ! AN table 1: 10 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.553333 visibilities/baseline/integration-bin. ! Found source: J1131-1628 ! ! 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 1412 lines of history. ! ! Reading 996 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 J1131-1628_S_2005_07_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)= 0.115831 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=5.118 mas, bmaj=14.51 mas, bpa=-21.51 degrees ! Estimated noise=3.85058 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, 1). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0710489 Jy ! Component: 100 - total flux cleaned = 0.0821125 Jy ! Total flux subtracted in 100 components = 0.0821125 Jy ! Clean residual min=-0.010825 max=0.013646 Jy/beam ! Clean residual mean=-0.000278 rms=0.003526 Jy/beam ! Combined flux in latest and established models = 0.0821126 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 0.0821126 Jy ! ! Correcting IF 1. ! A total of 34 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.087043Jy sigma=1.187251 ! Fit after self-cal, rms=0.085253Jy sigma=1.156431 ! Inverting map and beam ! Estimated beam: bmin=5.113 mas, bmaj=14.46 mas, bpa=-21.6 degrees ! Estimated noise=3.84586 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=8.391 mas, bmaj=17.65 mas, bpa=-11.36 degrees ! Estimated noise=2.44547 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 = -0.00174657 Jy ! Component: 100 - total flux cleaned = -0.00357593 Jy ! Component: 150 - total flux cleaned = -0.00485401 Jy ! Component: 200 - total flux cleaned = -0.00607256 Jy ! Total flux subtracted in 200 components = -0.00607256 Jy ! Clean residual min=-0.009055 max=0.008463 Jy/beam ! Clean residual mean=-0.000488 rms=0.002995 Jy/beam ! Combined flux in latest and established models = 0.07604 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 30 components and 0.0760401 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.084957Jy sigma=1.142097 ! Fit after self-cal, rms=0.084820Jy sigma=1.141277 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 8.391 x 17.65 at -11.36 degrees (North through East) ! Clean map min=-0.0088048 max=0.085413 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 ! 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. ! 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* ! ! ! Fit before self-cal, rms=0.084820Jy sigma=1.141277 ! Fit after self-cal, rms=0.084820Jy sigma=1.141277 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=0.084820Jy sigma=1.141277 ! Fit after self-cal, rms=0.084783Jy sigma=1.140688 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=8.391 mas, bmaj=17.65 mas, bpa=-11.36 degrees ! Estimated noise=2.44547 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 = -0.00106863 Jy ! Component: 100 - total flux cleaned = -0.00192151 Jy ! Component: 150 - total flux cleaned = -0.00246255 Jy ! Component: 200 - total flux cleaned = -0.00293629 Jy ! Total flux subtracted in 200 components = -0.00293629 Jy ! Clean residual min=-0.008600 max=0.007938 Jy/beam ! Clean residual mean=-0.000461 rms=0.002894 Jy/beam ! Combined flux in latest and established models = 0.0731038 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 39 components and 0.0731038 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.084797Jy sigma=1.137324 ! Fit after self-cal, rms=0.084702Jy sigma=1.136907 ! 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=0.084702Jy sigma=1.136907 ! Fit after self-cal, rms=0.069039Jy sigma=0.947426 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 = 0.00849873 Jy ! Component: 100 - total flux cleaned = 0.00860498 Jy ! Component: 150 - total flux cleaned = 0.0085379 Jy ! Component: 200 - total flux cleaned = 0.00838949 Jy ! Total flux subtracted in 200 components = 0.00838949 Jy ! Clean residual min=-0.007804 max=0.007400 Jy/beam ! Clean residual mean=-0.000395 rms=0.002727 Jy/beam ! Combined flux in latest and established models = 0.0814933 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 48 components and 0.0814933 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068418Jy sigma=0.932542 ! Fit after self-cal, rms=0.066602Jy sigma=0.914265 ! 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: 8.391 x 17.65 at -11.36 degrees (North through East) ! Clean map min=-0.0075727 max=0.096905 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=11.41 mas, bmaj=23.13 mas, bpa=5.82 degrees ! Estimated noise=2.51558 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 = 0.000377078 Jy ! Component: 100 - total flux cleaned = 0.000556431 Jy ! Component: 150 - total flux cleaned = 0.000525397 Jy ! Component: 200 - total flux cleaned = 0.000498456 Jy ! Total flux subtracted in 200 components = 0.000498456 Jy ! Clean residual min=-0.007749 max=0.007294 Jy/beam ! Clean residual mean=-0.000470 rms=0.002857 Jy/beam ! Combined flux in latest and established models = 0.0819917 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 56 components and 0.0819917 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.066649Jy sigma=0.913400 ! Fit after self-cal, rms=0.066430Jy sigma=0.910407 ! Inverting map uvtaper 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=5.113 mas, bmaj=14.46 mas, bpa=-21.6 degrees ! Estimated noise=3.84586 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0815528 Jy ! Component: 100 - total flux cleaned = 0.094268 Jy ! Component: 150 - total flux cleaned = 0.0926414 Jy ! Component: 200 - total flux cleaned = 0.0914027 Jy ! Total flux subtracted in 200 components = 0.0914027 Jy ! Clean residual min=-0.011476 max=0.010875 Jy/beam ! Clean residual mean=-0.000231 rms=0.003207 Jy/beam ! Combined flux in latest and established models = 0.0914026 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 21 model components to the UV plane model. ! The established model now contains 21 components and 0.0914026 Jy ! Inverting map and beam ! Estimated beam: bmin=8.391 mas, bmaj=17.65 mas, bpa=-11.36 degrees ! Estimated noise=2.44547 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 = -0.00525369 Jy ! Component: 100 - total flux cleaned = -0.00637588 Jy ! Component: 150 - total flux cleaned = -0.00714769 Jy ! Component: 200 - total flux cleaned = -0.00777683 Jy ! Total flux subtracted in 200 components = -0.00777683 Jy ! Clean residual min=-0.007921 max=0.006775 Jy/beam ! Clean residual mean=-0.000410 rms=0.002679 Jy/beam ! Combined flux in latest and established models = 0.0836258 Jy ! Adding 11 model components to the UV plane model. ! The established model now contains 31 components and 0.0836258 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=11.41 mas, bmaj=23.13 mas, bpa=5.82 degrees ! Estimated noise=2.51558 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 = -0.000612072 Jy ! Component: 100 - total flux cleaned = -0.000851348 Jy ! Component: 150 - total flux cleaned = -0.00111789 Jy ! Component: 200 - total flux cleaned = -0.00135209 Jy ! Total flux subtracted in 200 components = -0.00135209 Jy ! Clean residual min=-0.007803 max=0.006997 Jy/beam ! Clean residual mean=-0.000477 rms=0.002843 Jy/beam ! Combined flux in latest and established models = 0.0822737 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 38 components and 0.0822737 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=8.391 mas, bmaj=17.65 mas, bpa=-11.36 degrees ! Estimated noise=2.44547 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000273133 Jy ! Component: 100 - total flux cleaned = -0.000450671 Jy ! Component: 150 - total flux cleaned = -0.000572757 Jy ! Component: 200 - total flux cleaned = -0.000648258 Jy ! Total flux subtracted in 200 components = -0.000648258 Jy ! Clean residual min=-0.007413 max=0.006547 Jy/beam ! Clean residual mean=-0.000394 rms=0.002628 Jy/beam ! Combined flux in latest and established models = 0.0816255 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 46 components and 0.0816255 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.066231Jy sigma=0.909136 ! Fit after self-cal, rms=0.066154Jy sigma=0.908096 wmodel J1131-1628_S_2005_07_08_yyk\_map.mod ! Writing 46 model components to file: J1131-1628_S_2005_07_08_yyk_map.mod wobs J1131-1628_S_2005_07_08_yyk\_uvs.fits ! Writing UV FITS file: J1131-1628_S_2005_07_08_yyk_uvs.fits wwins J1131-1628_S_2005_07_08_yyk\_map.win ! wwins: Wrote 1 windows to J1131-1628_S_2005_07_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 = -0.00326398 Jy ! Component: 100 - total flux cleaned = -0.00493357 Jy ! Component: 150 - total flux cleaned = -0.00655758 Jy ! Component: 200 - total flux cleaned = -0.00825967 Jy ! Component: 250 - total flux cleaned = -0.00984151 Jy ! Component: 300 - total flux cleaned = -0.0114003 Jy ! Component: 350 - total flux cleaned = -0.0125374 Jy ! Component: 400 - total flux cleaned = -0.0135302 Jy ! Component: 450 - total flux cleaned = -0.014183 Jy ! Component: 500 - total flux cleaned = -0.0145949 Jy ! Component: 550 - total flux cleaned = -0.0152547 Jy ! Component: 600 - total flux cleaned = -0.0155728 Jy ! Component: 650 - total flux cleaned = -0.0157565 Jy ! Component: 700 - total flux cleaned = -0.0155774 Jy ! Component: 750 - total flux cleaned = -0.0156945 Jy ! Component: 800 - total flux cleaned = -0.0155249 Jy ! Component: 850 - total flux cleaned = -0.0156343 Jy ! Component: 900 - total flux cleaned = -0.015423 Jy ! Component: 950 - total flux cleaned = -0.0154744 Jy ! Component: 1000 - total flux cleaned = -0.0155236 Jy ! Total flux subtracted in 1024 components = -0.0154748 Jy ! Clean residual min=-0.002526 max=0.002975 Jy/beam ! Clean residual mean=-0.000134 rms=0.001137 Jy/beam ! Combined flux in latest and established models = 0.0661507 Jy keep ! Adding 70 model components to the UV plane model. ! The established model now contains 116 components and 0.0661507 Jy ![Exited script file: muppet] wmap "J1131-1628_S_2005_07_08_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 8.391 x 17.65 at -11.36 degrees (North through East) ! Clean map min=-0.0070575 max=0.096809 Jy/beam ! Writing clean map to FITS file: J1131-1628_S_2005_07_08_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0968091 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00116078 device "J1131-1628_S_2005_07_08_yyk\_map.eps/VPS" ! Attempting to open device: 'J1131-1628_S_2005_07_08_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -3.59713 3.59713 7.19426 14.3885 28.777 57.5541 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0034 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.096 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 8.391 x 17.65 at -11.36 degrees (North through East) ! Clean map min=-0.0070575 max=0.096809 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1131-1628_S_2005_07_08_yyk\_map.gif/gif" ! Attempting to open device: 'J1131-1628_S_2005_07_08_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1131-1628_S_2005_07_08_yyk_uvs.log closed on Fri Jan 20 11:24:42 2006