! Started logfile: J1753-1843_S_2005_05_12_yyk_uvs.log on Sat Oct 8 22:59:52 2005 obs J1753-1843_S_2005_05_12_yyk_uve.fits ! Reading UV FITS file: J1753-1843_S_2005_05_12_yyk_uve.fits ! AN table 1: 19 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.508772 visibilities/baseline/integration-bin. ! Found source: J1753-1843 ! ! 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 1443 lines of history. ! ! Reading 1740 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 J1753-1843_S_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 1.00x1.00 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.112827 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=7.656 mas, bmaj=17.12 mas, bpa=9.804 degrees ! Estimated noise=2.13425 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 = 0.0501456 Jy ! Component: 100 - total flux cleaned = 0.0607795 Jy ! Total flux subtracted in 100 components = 0.0607795 Jy ! Clean residual min=-0.009063 max=0.011733 Jy/beam ! Clean residual mean=0.000348 rms=0.003128 Jy/beam ! Combined flux in latest and established models = 0.0607795 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 0.0607795 Jy ! ! Correcting IF 1. ! A total of 72 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 70 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 72 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 80 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.093184Jy sigma=1.619494 ! Fit after self-cal, rms=0.087974Jy sigma=1.564858 ! Inverting map and beam ! Estimated beam: bmin=7.656 mas, bmaj=17.12 mas, bpa=9.804 degrees ! Estimated noise=2.13425 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=9.155 mas, bmaj=21.77 mas, bpa=15.55 degrees ! Estimated noise=1.11919 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 = 0.0193289 Jy ! Component: 100 - total flux cleaned = 0.0184053 Jy ! Component: 150 - total flux cleaned = 0.0178135 Jy ! Component: 200 - total flux cleaned = 0.0173065 Jy ! Total flux subtracted in 200 components = 0.0173065 Jy ! Clean residual min=-0.012015 max=0.015167 Jy/beam ! Clean residual mean=0.000370 rms=0.005907 Jy/beam ! Combined flux in latest and established models = 0.078086 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 33 model components to the UV plane model. ! The established model now contains 49 components and 0.078086 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.087069Jy sigma=1.479675 ! Fit after self-cal, rms=0.087035Jy sigma=1.478115 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.155 x 21.77 at 15.55 degrees (North through East) ! Clean map min=-0.011785 max=0.078044 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: 0.977738 ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.18 HN 1.00* KP 0.92 ! LA 0.87 MK 1.00* NL 0.85 OV 1.17 ! PT 1.10 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=0.087035Jy sigma=1.478115 ! Fit after self-cal, rms=0.086892Jy sigma=1.473528 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=0.086892Jy sigma=1.473528 ! Fit after self-cal, rms=0.086875Jy sigma=1.472888 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=9.189 mas, bmaj=21.52 mas, bpa=13.93 degrees ! Estimated noise=1.12271 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 = -0.000699375 Jy ! Component: 100 - total flux cleaned = -0.00122191 Jy ! Component: 150 - total flux cleaned = -0.00152853 Jy ! Component: 200 - total flux cleaned = -0.00179962 Jy ! Total flux subtracted in 200 components = -0.00179962 Jy ! Clean residual min=-0.011573 max=0.014144 Jy/beam ! Clean residual mean=0.000367 rms=0.005641 Jy/beam ! Combined flux in latest and established models = 0.0762864 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 30 model components to the UV plane model. ! The established model now contains 69 components and 0.0762864 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.087437Jy sigma=1.467822 ! Fit after self-cal, rms=0.087396Jy sigma=1.467021 ! 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=0.087396Jy sigma=1.467021 ! Fit after self-cal, rms=0.081022Jy sigma=1.349733 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 = 0.00538962 Jy ! Component: 100 - total flux cleaned = 0.00480984 Jy ! Component: 150 - total flux cleaned = 0.004421 Jy ! Component: 200 - total flux cleaned = 0.004082 Jy ! Total flux subtracted in 200 components = 0.004082 Jy ! Clean residual min=-0.010682 max=0.014630 Jy/beam ! Clean residual mean=0.000316 rms=0.005532 Jy/beam ! Combined flux in latest and established models = 0.0803684 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 80 components and 0.0803684 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.081284Jy sigma=1.341665 ! Fit after self-cal, rms=0.080589Jy sigma=1.333420 ! 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: 9.189 x 21.52 at 13.93 degrees (North through East) ! Clean map min=-0.010313 max=0.085229 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=10.31 mas, bmaj=23.07 mas, bpa=14.42 degrees ! Estimated noise=1.14299 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 = -0.00132035 Jy ! Component: 100 - total flux cleaned = -0.00140389 Jy ! Component: 150 - total flux cleaned = -0.00162224 Jy ! Component: 200 - total flux cleaned = -0.00181269 Jy ! Total flux subtracted in 200 components = -0.00181269 Jy ! Clean residual min=-0.010235 max=0.015134 Jy/beam ! Clean residual mean=0.000378 rms=0.005397 Jy/beam ! Combined flux in latest and established models = 0.0785557 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 89 components and 0.0785557 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.080838Jy sigma=1.332239 ! Fit after self-cal, rms=0.080649Jy sigma=1.330780 ! 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=7.67 mas, bmaj=17.19 mas, bpa=8.56 degrees ! Estimated noise=2.14958 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0656366 Jy ! Component: 100 - total flux cleaned = 0.0770245 Jy ! Component: 150 - total flux cleaned = 0.0797243 Jy ! Component: 200 - total flux cleaned = 0.080676 Jy ! Total flux subtracted in 200 components = 0.080676 Jy ! Clean residual min=-0.006345 max=0.007307 Jy/beam ! Clean residual mean=0.000141 rms=0.002119 Jy/beam ! Combined flux in latest and established models = 0.080676 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 24 model components to the UV plane model. ! The established model now contains 24 components and 0.080676 Jy ! Inverting map and beam ! Estimated beam: bmin=9.189 mas, bmaj=21.52 mas, bpa=13.93 degrees ! Estimated noise=1.12271 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 = 0.00335968 Jy ! Component: 100 - total flux cleaned = 0.00259149 Jy ! Component: 150 - total flux cleaned = 0.0019022 Jy ! Component: 200 - total flux cleaned = 0.00135191 Jy ! Total flux subtracted in 200 components = 0.00135191 Jy ! Clean residual min=-0.011059 max=0.014075 Jy/beam ! Clean residual mean=0.000283 rms=0.005818 Jy/beam ! Combined flux in latest and established models = 0.0820279 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 56 components and 0.0820279 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=10.31 mas, bmaj=23.07 mas, bpa=14.42 degrees ! Estimated noise=1.14299 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 = -0.00139841 Jy ! Component: 100 - total flux cleaned = -0.00154424 Jy ! Component: 150 - total flux cleaned = -0.00177622 Jy ! Component: 200 - total flux cleaned = -0.0019675 Jy ! Total flux subtracted in 200 components = -0.0019675 Jy ! Clean residual min=-0.010397 max=0.014645 Jy/beam ! Clean residual mean=0.000353 rms=0.005509 Jy/beam ! Combined flux in latest and established models = 0.0800604 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 66 components and 0.0800604 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=9.189 mas, bmaj=21.52 mas, bpa=13.93 degrees ! Estimated noise=1.12271 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00012274 Jy ! Component: 100 - total flux cleaned = -0.000197186 Jy ! Component: 150 - total flux cleaned = -0.000260141 Jy ! Component: 200 - total flux cleaned = -0.000431241 Jy ! Total flux subtracted in 200 components = -0.000431241 Jy ! Clean residual min=-0.010526 max=0.014352 Jy/beam ! Clean residual mean=0.000323 rms=0.005422 Jy/beam ! Combined flux in latest and established models = 0.0796292 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 75 components and 0.0796292 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.080645Jy sigma=1.330521 ! Fit after self-cal, rms=0.080636Jy sigma=1.330065 wmodel J1753-1843_S_2005_05_12_yyk\_map.mod ! Writing 75 model components to file: J1753-1843_S_2005_05_12_yyk_map.mod wobs J1753-1843_S_2005_05_12_yyk\_uvs.fits ! Writing UV FITS file: J1753-1843_S_2005_05_12_yyk_uvs.fits wwins J1753-1843_S_2005_05_12_yyk\_map.win ! wwins: Wrote 1 windows to J1753-1843_S_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 = 0.00613951 Jy ! Component: 100 - total flux cleaned = 0.00957941 Jy ! Component: 150 - total flux cleaned = 0.0106579 Jy ! Component: 200 - total flux cleaned = 0.0120073 Jy ! Component: 250 - total flux cleaned = 0.0126508 Jy ! Component: 300 - total flux cleaned = 0.0137131 Jy ! Component: 350 - total flux cleaned = 0.0140062 Jy ! Component: 400 - total flux cleaned = 0.0135962 Jy ! Component: 450 - total flux cleaned = 0.0135999 Jy ! Component: 500 - total flux cleaned = 0.012962 Jy ! Component: 550 - total flux cleaned = 0.0127202 Jy ! Component: 600 - total flux cleaned = 0.0123673 Jy ! Component: 650 - total flux cleaned = 0.0120252 Jy ! Component: 700 - total flux cleaned = 0.0118071 Jy ! Component: 750 - total flux cleaned = 0.0117034 Jy ! Component: 800 - total flux cleaned = 0.0113981 Jy ! Component: 850 - total flux cleaned = 0.0111014 Jy ! Component: 900 - total flux cleaned = 0.010719 Jy ! Component: 950 - total flux cleaned = 0.0105348 Jy ! Component: 1000 - total flux cleaned = 0.0103575 Jy ! Total flux subtracted in 1024 components = 0.0103568 Jy ! Clean residual min=-0.004802 max=0.004790 Jy/beam ! Clean residual mean=0.000158 rms=0.002285 Jy/beam ! Combined flux in latest and established models = 0.0899859 Jy keep ! Adding 82 model components to the UV plane model. ! The established model now contains 157 components and 0.0899859 Jy ![Exited script file: muppet] wmap "J1753-1843_S_2005_05_12_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.189 x 21.52 at 13.93 degrees (North through East) ! Clean map min=-0.0095831 max=0.086205 Jy/beam ! Writing clean map to FITS file: J1753-1843_S_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 0.0862046 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00237013 device "J1753-1843_S_2005_05_12_yyk\_map.eps/VPS" ! Attempting to open device: 'J1753-1843_S_2005_05_12_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -8.24829 8.24829 16.4966 32.9932 65.9863 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0071 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.086 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.189 x 21.52 at 13.93 degrees (North through East) ! Clean map min=-0.0095831 max=0.086205 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1753-1843_S_2005_05_12_yyk\_map.gif/gif" ! Attempting to open device: 'J1753-1843_S_2005_05_12_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1753-1843_S_2005_05_12_yyk_uvs.log closed on Sat Oct 8 22:59:53 2005