! Started logfile: J1951-1830_S_2005_07_20_yyk_uvs.log on Fri Jan 20 11:27:02 2006 obs J1951-1830_S_2005_07_20_yyk_uve.fits ! Reading UV FITS file: J1951-1830_S_2005_07_20_yyk_uve.fits ! AN table 1: 11 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.418182 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1951-1830 ! ! 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 1527 lines of history. ! ! Reading 828 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 J1951-1830_S_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 1.00x1.00 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.122986 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=8.209 mas, bmaj=19.25 mas, bpa=1.201 degrees ! Estimated noise=4.81771 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 = 0.0687037 Jy ! Component: 100 - total flux cleaned = 0.0892335 Jy ! Total flux subtracted in 100 components = 0.0892335 Jy ! Clean residual min=-0.011968 max=0.012026 Jy/beam ! Clean residual mean=-0.000140 rms=0.005026 Jy/beam ! Combined flux in latest and established models = 0.0892335 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 28 model components to the UV plane model. ! The established model now contains 28 components and 0.0892335 Jy ! ! Correcting IF 1. ! A total of 67 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 61 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 98 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 110 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.095069Jy sigma=1.315996 ! Fit after self-cal, rms=0.091718Jy sigma=1.253291 ! Inverting map and beam ! Estimated beam: bmin=8.209 mas, bmaj=19.25 mas, bpa=1.201 degrees ! Estimated noise=4.81771 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=10.45 mas, bmaj=22.19 mas, bpa=-3.86 degrees ! Estimated noise=2.92889 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 = 0.00825838 Jy ! Component: 100 - total flux cleaned = 0.00509188 Jy ! Component: 150 - total flux cleaned = 0.00240755 Jy ! Component: 200 - total flux cleaned = 3.61046e-05 Jy ! Total flux subtracted in 200 components = 3.61046e-05 Jy ! Clean residual min=-0.003820 max=0.003838 Jy/beam ! Clean residual mean=-0.000096 rms=0.001668 Jy/beam ! Combined flux in latest and established models = 0.0892696 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 41 model components to the UV plane model. ! The established model now contains 67 components and 0.0892696 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.090207Jy sigma=1.184341 ! Fit after self-cal, rms=0.090224Jy sigma=1.183459 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 10.45 x 22.19 at -3.86 degrees (North through East) ! Clean map min=-0.011164 max=0.080766 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: 1.03103 ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.91 HN 1.00* KP 0.99 ! LA 1.03 MK 1.00* NL 0.94 OV 0.90 ! PT 1.01 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 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=0.090224Jy sigma=1.183459 ! Fit after self-cal, rms=0.089171Jy sigma=1.178426 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=0.089171Jy sigma=1.178426 ! Fit after self-cal, rms=0.089175Jy sigma=1.178372 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=10.27 mas, bmaj=21.75 mas, bpa=-2.849 degrees ! Estimated noise=2.87058 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 = -0.000963961 Jy ! Component: 100 - total flux cleaned = -0.00138702 Jy ! Component: 150 - total flux cleaned = -0.00215694 Jy ! Component: 200 - total flux cleaned = -0.00249373 Jy ! Total flux subtracted in 200 components = -0.00249373 Jy ! Clean residual min=-0.002003 max=0.002014 Jy/beam ! Clean residual mean=-0.000023 rms=0.000901 Jy/beam ! Combined flux in latest and established models = 0.0867759 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 36 model components to the UV plane model. ! The established model now contains 98 components and 0.0867759 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088892Jy sigma=1.164391 ! Fit after self-cal, rms=0.088899Jy sigma=1.164075 ! 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=0.088899Jy sigma=1.164075 ! Fit after self-cal, rms=0.079731Jy sigma=1.017754 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 = 0.00170814 Jy ! Component: 100 - total flux cleaned = 0.00318414 Jy ! Component: 150 - total flux cleaned = 0.00320974 Jy ! Component: 200 - total flux cleaned = 0.00449701 Jy ! Total flux subtracted in 200 components = 0.00449701 Jy ! Clean residual min=-0.002143 max=0.002154 Jy/beam ! Clean residual mean=-0.000022 rms=0.000935 Jy/beam ! Combined flux in latest and established models = 0.0912729 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 35 model components to the UV plane model. ! The established model now contains 131 components and 0.0912729 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.078388Jy sigma=0.992135 ! Fit after self-cal, rms=0.075805Jy sigma=0.967074 ! 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: 10.27 x 21.75 at -2.849 degrees (North through East) ! Clean map min=-0.0099901 max=0.08697 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=11.68 mas, bmaj=22.63 mas, bpa=-0.1924 degrees ! Estimated noise=2.9143 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 = 0.00229858 Jy ! Component: 100 - total flux cleaned = 0.00336592 Jy ! Component: 150 - total flux cleaned = 0.00484744 Jy ! Component: 200 - total flux cleaned = 0.00534087 Jy ! Total flux subtracted in 200 components = 0.00534087 Jy ! Clean residual min=-0.001480 max=0.001477 Jy/beam ! Clean residual mean=-0.000007 rms=0.000676 Jy/beam ! Combined flux in latest and established models = 0.0966137 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 46 model components to the UV plane model. ! The established model now contains 165 components and 0.0966137 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.075233Jy sigma=0.958297 ! Fit after self-cal, rms=0.074657Jy sigma=0.953714 ! 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=8.141 mas, bmaj=19.18 mas, bpa=1.41 degrees ! Estimated noise=4.66234 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0805554 Jy ! Component: 100 - total flux cleaned = 0.0901219 Jy ! Component: 150 - total flux cleaned = 0.0906579 Jy ! Component: 200 - total flux cleaned = 0.0935488 Jy ! Total flux subtracted in 200 components = 0.0935488 Jy ! Clean residual min=-0.007005 max=0.006969 Jy/beam ! Clean residual mean=-0.000097 rms=0.003115 Jy/beam ! Combined flux in latest and established models = 0.0935488 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 43 model components to the UV plane model. ! The established model now contains 43 components and 0.0935488 Jy ! Inverting map and beam ! Estimated beam: bmin=10.27 mas, bmaj=21.75 mas, bpa=-2.849 degrees ! Estimated noise=2.87058 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 = 0.00011585 Jy ! Component: 100 - total flux cleaned = 0.00203679 Jy ! Component: 150 - total flux cleaned = -0.000887852 Jy ! Component: 200 - total flux cleaned = -0.00343772 Jy ! Total flux subtracted in 200 components = -0.00343772 Jy ! Clean residual min=-0.003307 max=0.003270 Jy/beam ! Clean residual mean=-0.000130 rms=0.001403 Jy/beam ! Combined flux in latest and established models = 0.0901111 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 84 components and 0.090111 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=11.68 mas, bmaj=22.63 mas, bpa=-0.1924 degrees ! Estimated noise=2.9143 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 = -0.00213114 Jy ! Component: 100 - total flux cleaned = -0.00266755 Jy ! Component: 150 - total flux cleaned = -0.00265716 Jy ! Component: 200 - total flux cleaned = -0.00338645 Jy ! Total flux subtracted in 200 components = -0.00338645 Jy ! Clean residual min=-0.001756 max=0.001742 Jy/beam ! Clean residual mean=-0.000058 rms=0.000853 Jy/beam ! Combined flux in latest and established models = 0.0867246 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 123 components and 0.0867245 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=10.27 mas, bmaj=21.75 mas, bpa=-2.849 degrees ! Estimated noise=2.87058 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000407873 Jy ! Component: 100 - total flux cleaned = -0.000800385 Jy ! Component: 150 - total flux cleaned = -0.00137235 Jy ! Component: 200 - total flux cleaned = -0.00179344 Jy ! Total flux subtracted in 200 components = -0.00179344 Jy ! Clean residual min=-0.001271 max=0.001252 Jy/beam ! Clean residual mean=-0.000021 rms=0.000588 Jy/beam ! Combined flux in latest and established models = 0.0849311 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 41 model components to the UV plane model. ! The established model now contains 151 components and 0.0849311 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.073842Jy sigma=0.942334 ! Fit after self-cal, rms=0.073505Jy sigma=0.939404 wmodel J1951-1830_S_2005_07_20_yyk\_map.mod ! Writing 151 model components to file: J1951-1830_S_2005_07_20_yyk_map.mod wobs J1951-1830_S_2005_07_20_yyk\_uvs.fits ! Writing UV FITS file: J1951-1830_S_2005_07_20_yyk_uvs.fits wwins J1951-1830_S_2005_07_20_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J1951-1830_S_2005_07_20_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 10.27 x 21.75 at -2.849 degrees (North through East) ! Clean map min=-0.01328 max=0.086522 Jy/beam ! Writing clean map to FITS file: J1951-1830_S_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 0.0865222 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000628341 device "J1951-1830_S_2005_07_20_yyk\_map.eps/VPS" ! Attempting to open device: 'J1951-1830_S_2005_07_20_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -2.17866 2.17866 4.35732 8.71463 17.4293 34.8585 69.717 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0018 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: 10.27 x 21.75 at -2.849 degrees (North through East) ! Clean map min=-0.01328 max=0.086522 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1951-1830_S_2005_07_20_yyk\_map.gif/gif" ! Attempting to open device: 'J1951-1830_S_2005_07_20_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1951-1830_S_2005_07_20_yyk_uvs.log closed on Fri Jan 20 11:27:02 2006