! Started logfile: J1701-2954_S_1997_08_27_yyk_uvs.log on Sun Jan 7 19:09:43 2007 obs J1701-2954_S_1997_08_27_yyk_uva.fits ! Reading UV FITS file: J1701-2954_S_1997_08_27_yyk_uva.fits ! AN table 1: 143 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.391142 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1701-2954 ! ! 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 2.22447e+09 8e+06 1 8e+06 ! 02 2 2.23447e+09 8e+06 1 8e+06 ! 03 3 2.29447e+09 8e+06 1 8e+06 ! 04 4 2.32447e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 703 lines of history. ! ! Reading 10068 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 J1701-2954_S_1997_08_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 = 512x512 pixels with 0.500x0.500 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 1.24574 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=2.816 mas, bmaj=8.196 mas, bpa=-34.52 degrees ! Estimated noise=4217.73 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=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.110795 Jy ! Component: 100 - total flux cleaned = 0.179688 Jy ! Total flux subtracted in 100 components = 0.179688 Jy ! Clean residual min=-0.029299 max=0.029926 Jy/beam ! Clean residual mean=0.002422 rms=0.010394 Jy/beam ! Combined flux in latest and established models = 0.179688 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 30 model components to the UV plane model. ! The established model now contains 30 components and 0.179688 Jy ! ! Correcting IF 1. ! A total of 886 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 530 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 564 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 564 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.235137Jy sigma=0.003566 ! Fit after self-cal, rms=1.233420Jy sigma=0.003559 ! Inverting map and beam ! Estimated beam: bmin=2.816 mas, bmaj=8.196 mas, bpa=-34.52 degrees ! Estimated noise=4217.73 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=3.433 mas, bmaj=9.35 mas, bpa=-30.59 degrees ! Estimated noise=2463.3 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 = 0.114284 Jy ! Component: 100 - total flux cleaned = 0.182334 Jy ! Component: 150 - total flux cleaned = 0.22984 Jy ! Component: 200 - total flux cleaned = 0.267107 Jy ! Total flux subtracted in 200 components = 0.267107 Jy ! Clean residual min=-0.012826 max=0.016764 Jy/beam ! Clean residual mean=0.006071 rms=0.005872 Jy/beam ! Combined flux in latest and established models = 0.446795 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 114 model components to the UV plane model. ! The established model now contains 142 components and 0.446795 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.225137Jy sigma=0.003529 ! Fit after self-cal, rms=1.225084Jy sigma=0.003529 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.433 x 9.35 at -30.59 degrees (North through East) ! Clean map min=-0.012993 max=0.069921 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. ! A total of 3 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* ! ! ! Correcting IF 2. ! A total of 3 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* ! ! ! Correcting IF 3. ! A total of 3 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* ! ! ! Correcting IF 4. ! A total of 3 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=1.225084Jy sigma=0.003529 ! Fit after self-cal, rms=1.225709Jy sigma=0.003530 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=1.225709Jy sigma=0.003530 ! Fit after self-cal, rms=1.225709Jy sigma=0.003530 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.438 mas, bmaj=9.352 mas, bpa=-30.64 degrees ! Estimated noise=2464.87 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 = 0.032235 Jy ! Component: 100 - total flux cleaned = 0.0590482 Jy ! Component: 150 - total flux cleaned = 0.0816688 Jy ! Component: 200 - total flux cleaned = 0.102714 Jy ! Total flux subtracted in 200 components = 0.102714 Jy ! Clean residual min=-0.009875 max=0.010050 Jy/beam ! Clean residual mean=0.003775 rms=0.003848 Jy/beam ! Combined flux in latest and established models = 0.549509 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 90 model components to the UV plane model. ! The established model now contains 223 components and 0.549509 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.224458Jy sigma=0.003527 ! Fit after self-cal, rms=1.224445Jy sigma=0.003527 ! 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=1.224445Jy sigma=0.003527 ! Fit after self-cal, rms=1.223108Jy sigma=0.003522 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 = 0.0455941 Jy ! Component: 100 - total flux cleaned = 0.0717188 Jy ! Component: 150 - total flux cleaned = 0.093741 Jy ! Component: 200 - total flux cleaned = 0.107967 Jy ! Total flux subtracted in 200 components = 0.107967 Jy ! Clean residual min=-0.019203 max=0.019181 Jy/beam ! Clean residual mean=0.001335 rms=0.010007 Jy/beam ! Combined flux in latest and established models = 0.657475 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 80 model components to the UV plane model. ! The established model now contains 303 components and 0.657475 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.219330Jy sigma=0.003511 ! Fit after self-cal, rms=1.218001Jy sigma=0.003507 ! 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: 3.438 x 9.352 at -30.64 degrees (North through East) ! Clean map min=-0.040197 max=0.087432 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=8.211 mas, bmaj=16.9 mas, bpa=-19.49 degrees ! Estimated noise=3103.68 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) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0311432 Jy ! Component: 100 - total flux cleaned = 0.043948 Jy ! Component: 150 - total flux cleaned = 0.0520714 Jy ! Component: 200 - total flux cleaned = 0.0577767 Jy ! Total flux subtracted in 200 components = 0.0577767 Jy ! Clean residual min=-0.023096 max=0.023055 Jy/beam ! Clean residual mean=0.000320 rms=0.013587 Jy/beam ! Combined flux in latest and established models = 0.715252 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 93 model components to the UV plane model. ! The established model now contains 391 components and 0.715252 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.214249Jy sigma=0.003495 ! Fit after self-cal, rms=1.213290Jy sigma=0.003493 ! 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=2.816 mas, bmaj=8.196 mas, bpa=-34.52 degrees ! Estimated noise=4219.02 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.135029 Jy ! Component: 100 - total flux cleaned = 0.208481 Jy ! Component: 150 - total flux cleaned = 0.241259 Jy ! Component: 200 - total flux cleaned = 0.282349 Jy ! Total flux subtracted in 200 components = 0.282349 Jy ! Clean residual min=-0.036935 max=0.036792 Jy/beam ! Clean residual mean=0.001813 rms=0.014624 Jy/beam ! Combined flux in latest and established models = 0.282349 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 65 model components to the UV plane model. ! The established model now contains 65 components and 0.282349 Jy ! Inverting map and beam ! Estimated beam: bmin=3.438 mas, bmaj=9.352 mas, bpa=-30.64 degrees ! Estimated noise=2464.87 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 = 0.103401 Jy ! Component: 100 - total flux cleaned = 0.173123 Jy ! Component: 150 - total flux cleaned = 0.230733 Jy ! Component: 200 - total flux cleaned = 0.267322 Jy ! Total flux subtracted in 200 components = 0.267322 Jy ! Clean residual min=-0.023624 max=0.023937 Jy/beam ! Clean residual mean=0.003719 rms=0.011122 Jy/beam ! Combined flux in latest and established models = 0.549671 Jy ! Adding 92 model components to the UV plane model. ! The established model now contains 156 components and 0.549671 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=8.211 mas, bmaj=16.9 mas, bpa=-19.49 degrees ! Estimated noise=3103.68 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 = 0.0598307 Jy ! Component: 100 - total flux cleaned = 0.0882638 Jy ! Component: 150 - total flux cleaned = 0.106312 Jy ! Component: 200 - total flux cleaned = 0.124769 Jy ! Total flux subtracted in 200 components = 0.124769 Jy ! Clean residual min=-0.020157 max=0.020121 Jy/beam ! Clean residual mean=0.002423 rms=0.010460 Jy/beam ! Combined flux in latest and established models = 0.674439 Jy ! Adding 114 model components to the UV plane model. ! The established model now contains 261 components and 0.674439 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.438 mas, bmaj=9.352 mas, bpa=-30.64 degrees ! Estimated noise=2464.87 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00205099 Jy ! Component: 100 - total flux cleaned = 0.00448431 Jy ! Component: 150 - total flux cleaned = 0.0119114 Jy ! Component: 200 - total flux cleaned = 0.0201682 Jy ! Total flux subtracted in 200 components = 0.0201682 Jy ! Clean residual min=-0.014327 max=0.014349 Jy/beam ! Clean residual mean=0.000936 rms=0.007210 Jy/beam ! Combined flux in latest and established models = 0.694607 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 73 model components to the UV plane model. ! The established model now contains 328 components and 0.694608 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.208868Jy sigma=0.003473 ! Fit after self-cal, rms=1.208052Jy sigma=0.003472 wmodel J1701-2954_S_1997_08_27_yyk\_map.mod ! Writing 328 model components to file: J1701-2954_S_1997_08_27_yyk_map.mod wobs J1701-2954_S_1997_08_27_yyk\_uvs.fits ! Writing UV FITS file: J1701-2954_S_1997_08_27_yyk_uvs.fits wwins J1701-2954_S_1997_08_27_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J1701-2954_S_1997_08_27_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.438 x 9.352 at -30.64 degrees (North through East) ! Clean map min=-0.04286 max=0.10833 Jy/beam ! Writing clean map to FITS file: J1701-2954_S_1997_08_27_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.108331 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00747393 device "J1701-2954_S_1997_08_27_yyk\_map.eps/VPS" ! Attempting to open device: 'J1701-2954_S_1997_08_27_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -20.6975 20.6975 41.3951 82.7901 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0224 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.108 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.438 x 9.352 at -30.64 degrees (North through East) ! Clean map min=-0.04286 max=0.10833 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1701-2954_S_1997_08_27_yyk\_map.gif/gif" ! Attempting to open device: 'J1701-2954_S_1997_08_27_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1701-2954_S_1997_08_27_yyk_uvs.log closed on Sun Jan 7 19:09:48 2007