! Started logfile: J0516-1537_X_2005_07_20_yyk_uvs.log on Fri Jan 20 11:16:24 2006 obs J0516-1537_X_2005_07_20_yyk_uve.fits ! Reading UV FITS file: J0516-1537_X_2005_07_20_yyk_uve.fits ! AN table 1: 8 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.663889 visibilities/baseline/integration-bin. ! Found source: J0516-1537 ! ! 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 1488 lines of history. ! ! Reading 956 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 J0516-1537_X_2005_07_20_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)= 0.108578 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=2.038 mas, bmaj=4.519 mas, bpa=-0.4521 degrees ! Estimated noise=2.95474 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 = 0.0619877 Jy ! Component: 100 - total flux cleaned = 0.0759912 Jy ! Total flux subtracted in 100 components = 0.0759912 Jy ! Clean residual min=-0.013797 max=0.014485 Jy/beam ! Clean residual mean=0.000016 rms=0.003830 Jy/beam ! Combined flux in latest and established models = 0.0759912 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.0759912 Jy ! ! Correcting IF 1. ! A total of 31 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 28 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 53 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.081465Jy sigma=1.381129 ! Fit after self-cal, rms=0.069705Jy sigma=1.157521 ! Inverting map and beam ! Estimated beam: bmin=2.038 mas, bmaj=4.519 mas, bpa=-0.4521 degrees ! Estimated noise=2.95474 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=2.678 mas, bmaj=5.018 mas, bpa=6.094 degrees ! Estimated noise=1.89202 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 = 0.0154911 Jy ! Component: 100 - total flux cleaned = 0.0190712 Jy ! Component: 150 - total flux cleaned = 0.0198564 Jy ! Component: 200 - total flux cleaned = 0.0199666 Jy ! Total flux subtracted in 200 components = 0.0199666 Jy ! Clean residual min=-0.008990 max=0.008826 Jy/beam ! Clean residual mean=0.000104 rms=0.002635 Jy/beam ! Combined flux in latest and established models = 0.0959577 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 20 components and 0.0959577 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067265Jy sigma=1.110203 ! Fit after self-cal, rms=0.067185Jy sigma=1.109327 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.678 x 5.018 at 6.094 degrees (North through East) ! Clean map min=-0.008509 max=0.080595 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 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=0.067185Jy sigma=1.109327 ! Fit after self-cal, rms=0.067185Jy sigma=1.109327 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=0.067185Jy sigma=1.109327 ! Fit after self-cal, rms=0.067185Jy sigma=1.109327 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.678 mas, bmaj=5.018 mas, bpa=6.094 degrees ! Estimated noise=1.89202 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 = 0.000100673 Jy ! Component: 100 - total flux cleaned = 9.6035e-05 Jy ! Component: 150 - total flux cleaned = 8.40032e-05 Jy ! Component: 200 - total flux cleaned = 0.000212662 Jy ! Total flux subtracted in 200 components = 0.000212662 Jy ! Clean residual min=-0.008912 max=0.008691 Jy/beam ! Clean residual mean=0.000105 rms=0.002581 Jy/beam ! Combined flux in latest and established models = 0.0961704 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 23 components and 0.0961704 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067041Jy sigma=1.106624 ! Fit after self-cal, rms=0.066996Jy sigma=1.106386 ! 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=0.066996Jy sigma=1.106386 ! Fit after self-cal, rms=0.059252Jy sigma=0.993363 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 = 0.00288397 Jy ! Component: 100 - total flux cleaned = 0.00268418 Jy ! Component: 150 - total flux cleaned = 0.00284165 Jy ! Component: 200 - total flux cleaned = 0.00290244 Jy ! Total flux subtracted in 200 components = 0.00290244 Jy ! Clean residual min=-0.008503 max=0.008642 Jy/beam ! Clean residual mean=0.000091 rms=0.002386 Jy/beam ! Combined flux in latest and established models = 0.0990728 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 33 components and 0.0990728 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058715Jy sigma=0.986626 ! Fit after self-cal, rms=0.058104Jy sigma=0.978420 ! 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: 2.678 x 5.018 at 6.094 degrees (North through East) ! Clean map min=-0.0081824 max=0.085764 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=3.064 mas, bmaj=5.393 mas, bpa=9.214 degrees ! Estimated noise=1.93095 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 = -0.000744655 Jy ! Component: 100 - total flux cleaned = -0.000743922 Jy ! Component: 150 - total flux cleaned = -0.000800853 Jy ! Component: 200 - total flux cleaned = -0.00080093 Jy ! Total flux subtracted in 200 components = -0.00080093 Jy ! Clean residual min=-0.008447 max=0.008255 Jy/beam ! Clean residual mean=0.000105 rms=0.002486 Jy/beam ! Combined flux in latest and established models = 0.0982719 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 35 components and 0.0982719 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058016Jy sigma=0.977019 ! Fit after self-cal, rms=0.057953Jy sigma=0.976200 ! 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=2.038 mas, bmaj=4.519 mas, bpa=-0.4521 degrees ! Estimated noise=2.95474 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0761972 Jy ! Component: 100 - total flux cleaned = 0.096495 Jy ! Component: 150 - total flux cleaned = 0.10342 Jy ! Component: 200 - total flux cleaned = 0.104738 Jy ! Total flux subtracted in 200 components = 0.104738 Jy ! Clean residual min=-0.008785 max=0.009118 Jy/beam ! Clean residual mean=0.000044 rms=0.002755 Jy/beam ! Combined flux in latest and established models = 0.104738 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.104738 Jy ! Inverting map and beam ! Estimated beam: bmin=2.678 mas, bmaj=5.018 mas, bpa=6.094 degrees ! Estimated noise=1.89202 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 = -0.00482621 Jy ! Component: 100 - total flux cleaned = -0.00511379 Jy ! Component: 150 - total flux cleaned = -0.00523996 Jy ! Component: 200 - total flux cleaned = -0.00533627 Jy ! Total flux subtracted in 200 components = -0.00533627 Jy ! Clean residual min=-0.008668 max=0.008692 Jy/beam ! Clean residual mean=0.000092 rms=0.002422 Jy/beam ! Combined flux in latest and established models = 0.099402 Jy ! Adding 13 model components to the UV plane model. ! The established model now contains 25 components and 0.099402 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=3.064 mas, bmaj=5.393 mas, bpa=9.214 degrees ! Estimated noise=1.93095 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 = -0.00119754 Jy ! Component: 100 - total flux cleaned = -0.00119919 Jy ! Component: 150 - total flux cleaned = -0.00126711 Jy ! Component: 200 - total flux cleaned = -0.00126298 Jy ! Total flux subtracted in 200 components = -0.00126298 Jy ! Clean residual min=-0.008548 max=0.008156 Jy/beam ! Clean residual mean=0.000105 rms=0.002489 Jy/beam ! Combined flux in latest and established models = 0.098139 Jy ! Adding 7 model components to the UV plane model. ! The established model now contains 29 components and 0.098139 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.678 mas, bmaj=5.018 mas, bpa=6.094 degrees ! Estimated noise=1.89202 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000417085 Jy ! Component: 100 - total flux cleaned = 0.000673082 Jy ! Component: 150 - total flux cleaned = 0.000961777 Jy ! Component: 200 - total flux cleaned = 0.00121486 Jy ! Total flux subtracted in 200 components = 0.00121486 Jy ! Clean residual min=-0.008569 max=0.008529 Jy/beam ! Clean residual mean=0.000093 rms=0.002338 Jy/beam ! Combined flux in latest and established models = 0.0993539 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 33 components and 0.0993539 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.057959Jy sigma=0.976354 ! Fit after self-cal, rms=0.057947Jy sigma=0.976213 wmodel J0516-1537_X_2005_07_20_yyk\_map.mod ! Writing 33 model components to file: J0516-1537_X_2005_07_20_yyk_map.mod wobs J0516-1537_X_2005_07_20_yyk\_uvs.fits ! Writing UV FITS file: J0516-1537_X_2005_07_20_yyk_uvs.fits wwins J0516-1537_X_2005_07_20_yyk\_map.win ! wwins: Wrote 1 windows to J0516-1537_X_2005_07_20_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 = 0.000422526 Jy ! Component: 100 - total flux cleaned = 0.00117025 Jy ! Component: 150 - total flux cleaned = 0.00213013 Jy ! Component: 200 - total flux cleaned = 0.00297844 Jy ! Component: 250 - total flux cleaned = 0.00366211 Jy ! Component: 300 - total flux cleaned = 0.00444916 Jy ! Component: 350 - total flux cleaned = 0.00510858 Jy ! Component: 400 - total flux cleaned = 0.00579225 Jy ! Component: 450 - total flux cleaned = 0.0064943 Jy ! Component: 500 - total flux cleaned = 0.00697649 Jy ! Component: 550 - total flux cleaned = 0.00754593 Jy ! Component: 600 - total flux cleaned = 0.00792341 Jy ! Component: 650 - total flux cleaned = 0.00843725 Jy ! Component: 700 - total flux cleaned = 0.00887571 Jy ! Component: 750 - total flux cleaned = 0.00938864 Jy ! Component: 800 - total flux cleaned = 0.00996956 Jy ! Component: 850 - total flux cleaned = 0.0105311 Jy ! Component: 900 - total flux cleaned = 0.0109504 Jy ! Component: 950 - total flux cleaned = 0.0113168 Jy ! Component: 1000 - total flux cleaned = 0.0115555 Jy ! Total flux subtracted in 1024 components = 0.0118278 Jy ! Clean residual min=-0.002277 max=0.002267 Jy/beam ! Clean residual mean=0.000045 rms=0.000849 Jy/beam ! Combined flux in latest and established models = 0.111182 Jy keep ! Adding 56 model components to the UV plane model. ! The established model now contains 89 components and 0.111182 Jy ![Exited script file: muppet] wmap "J0516-1537_X_2005_07_20_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.678 x 5.018 at 6.094 degrees (North through East) ! Clean map min=-0.0052446 max=0.086344 Jy/beam ! Writing clean map to FITS file: J0516-1537_X_2005_07_20_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0863436 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000848368 device "J0516-1537_X_2005_07_20_yyk\_map.eps/VPS" ! Attempting to open device: 'J0516-1537_X_2005_07_20_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -2.94765 2.94765 5.89529 11.7906 23.5812 47.1623 94.3247 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0025 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: 2.678 x 5.018 at 6.094 degrees (North through East) ! Clean map min=-0.0052446 max=0.086344 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0516-1537_X_2005_07_20_yyk\_map.gif/gif" ! Attempting to open device: 'J0516-1537_X_2005_07_20_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0516-1537_X_2005_07_20_yyk_uvs.log closed on Fri Jan 20 11:16:25 2006