! Started logfile: J0447-2203_X_2002_05_14_yyk_uvs.log on Tue Jun 26 22:12:35 2007 obs J0447-2203_X_2002_05_14_yyk_uva.fits ! Reading UV FITS file: J0447-2203_X_2002_05_14_yyk_uva.fits ! AN table 1: 70 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.125397 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0447-2203 ! ! 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 8.40947e+09 8e+06 1 8e+06 ! 02 2 8.47947e+09 8e+06 1 8e+06 ! 03 3 8.79447e+09 8e+06 1 8e+06 ! 04 4 8.89947e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1077 lines of history. ! ! Reading 1580 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 J0447-2203_X_2002_05_14_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 0.200x0.200 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.370126 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=1.539 mas, bmaj=4.94 mas, bpa=10.73 degrees ! Estimated noise=5470.25 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 = 0.00956595 Jy ! Component: 100 - total flux cleaned = 0.0163981 Jy ! Total flux subtracted in 100 components = 0.0163981 Jy ! Clean residual min=-0.018074 max=0.018159 Jy/beam ! Clean residual mean=-0.000026 rms=0.010106 Jy/beam ! Combined flux in latest and established models = 0.0163981 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 38 model components to the UV plane model. ! The established model now contains 38 components and 0.0163981 Jy ! ! Correcting IF 1. ! A total of 461 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 433 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 433 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 433 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.368781Jy sigma=0.002724 ! Fit after self-cal, rms=0.367700Jy sigma=0.002718 ! Inverting map and beam ! Estimated beam: bmin=1.538 mas, bmaj=4.941 mas, bpa=10.73 degrees ! Estimated noise=5473.89 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=1.594 mas, bmaj=5.057 mas, bpa=6.361 degrees ! Estimated noise=2333.53 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 = -0.00805628 Jy ! Component: 100 - total flux cleaned = -0.0100706 Jy ! Component: 150 - total flux cleaned = -0.0124421 Jy ! Component: 200 - total flux cleaned = -0.0138958 Jy ! Total flux subtracted in 200 components = -0.0138958 Jy ! Clean residual min=-0.003264 max=0.003294 Jy/beam ! Clean residual mean=-0.000017 rms=0.001293 Jy/beam ! Combined flux in latest and established models = 0.00250228 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 62 model components to the UV plane model. ! The established model now contains 100 components and 0.00250229 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.366797Jy sigma=0.002711 ! Fit after self-cal, rms=0.366777Jy sigma=0.002711 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.594 x 5.057 at 6.361 degrees (North through East) ! Clean map min=-0.0083554 max=0.023405 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 15 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 1.00* ! ! ! Correcting IF 2. ! A total of 15 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 1.00* ! ! ! Correcting IF 3. ! A total of 15 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 1.00* ! ! ! Correcting IF 4. ! A total of 15 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 1.00* ! ! ! Fit before self-cal, rms=0.366777Jy sigma=0.002711 ! Fit after self-cal, rms=0.359621Jy sigma=0.002670 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=0.359621Jy sigma=0.002670 ! Fit after self-cal, rms=0.359480Jy sigma=0.002669 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.603 mas, bmaj=5.009 mas, bpa=6.348 degrees ! Estimated noise=2376.33 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 = 0.00357696 Jy ! Component: 100 - total flux cleaned = 0.00307857 Jy ! Component: 150 - total flux cleaned = 0.00309342 Jy ! Component: 200 - total flux cleaned = 0.00346905 Jy ! Total flux subtracted in 200 components = 0.00346905 Jy ! Clean residual min=-0.002131 max=0.002126 Jy/beam ! Clean residual mean=-0.000020 rms=0.000793 Jy/beam ! Combined flux in latest and established models = 0.00597134 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 55 model components to the UV plane model. ! The established model now contains 154 components and 0.00597133 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.359279Jy sigma=0.002668 ! Fit after self-cal, rms=0.359271Jy sigma=0.002667 ! 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=0.359271Jy sigma=0.002667 ! Fit after self-cal, rms=0.356727Jy sigma=0.002647 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 = 0.00816603 Jy ! Component: 100 - total flux cleaned = 0.00883717 Jy ! Component: 150 - total flux cleaned = 0.00882302 Jy ! Component: 200 - total flux cleaned = 0.0105788 Jy ! Total flux subtracted in 200 components = 0.0105788 Jy ! Clean residual min=-0.005131 max=0.005162 Jy/beam ! Clean residual mean=-0.000045 rms=0.002024 Jy/beam ! Combined flux in latest and established models = 0.0165501 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 73 model components to the UV plane model. ! The established model now contains 226 components and 0.0165501 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.354992Jy sigma=0.002635 ! Fit after self-cal, rms=0.354007Jy sigma=0.002629 ! 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: 1.603 x 5.009 at 6.348 degrees (North through East) ! Clean map min=-0.015787 max=0.027947 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=1.871 mas, bmaj=4.807 mas, bpa=7.028 degrees ! Estimated noise=2515.94 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 = -0.00602885 Jy ! Component: 100 - total flux cleaned = -0.0051275 Jy ! Component: 150 - total flux cleaned = -0.00378786 Jy ! Component: 200 - total flux cleaned = -0.00439262 Jy ! Total flux subtracted in 200 components = -0.00439262 Jy ! Clean residual min=-0.003610 max=0.003585 Jy/beam ! Clean residual mean=-0.000000 rms=0.001433 Jy/beam ! Combined flux in latest and established models = 0.0121575 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 64 model components to the UV plane model. ! The established model now contains 285 components and 0.0121575 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.353462Jy sigma=0.002625 ! Fit after self-cal, rms=0.353237Jy sigma=0.002623 ! 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=1.538 mas, bmaj=4.944 mas, bpa=10.73 degrees ! Estimated noise=5487.56 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00791949 Jy ! Component: 100 - total flux cleaned = 0.023562 Jy ! Component: 150 - total flux cleaned = 0.0208273 Jy ! Component: 200 - total flux cleaned = 0.0121445 Jy ! Total flux subtracted in 200 components = 0.0121445 Jy ! Clean residual min=-0.013918 max=0.014029 Jy/beam ! Clean residual mean=-0.000046 rms=0.006124 Jy/beam ! Combined flux in latest and established models = 0.0121445 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 68 model components to the UV plane model. ! The established model now contains 68 components and 0.0121445 Jy ! Inverting map and beam ! Estimated beam: bmin=1.603 mas, bmaj=5.009 mas, bpa=6.348 degrees ! Estimated noise=2376.33 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 = 0.0012355 Jy ! Component: 100 - total flux cleaned = 0.00242592 Jy ! Component: 150 - total flux cleaned = 0.00138438 Jy ! Component: 200 - total flux cleaned = 0.00232156 Jy ! Total flux subtracted in 200 components = 0.00232156 Jy ! Clean residual min=-0.005764 max=0.005757 Jy/beam ! Clean residual mean=-0.000018 rms=0.002508 Jy/beam ! Combined flux in latest and established models = 0.014466 Jy ! Adding 59 model components to the UV plane model. ! The established model now contains 127 components and 0.014466 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=1.871 mas, bmaj=4.807 mas, bpa=7.028 degrees ! Estimated noise=2515.94 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 = 0.0019903 Jy ! Component: 100 - total flux cleaned = 0.00355968 Jy ! Component: 150 - total flux cleaned = 0.0042481 Jy ! Component: 200 - total flux cleaned = 0.00586946 Jy ! Total flux subtracted in 200 components = 0.00586946 Jy ! Clean residual min=-0.003901 max=0.003902 Jy/beam ! Clean residual mean=0.000011 rms=0.001622 Jy/beam ! Combined flux in latest and established models = 0.0203355 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 172 components and 0.0203355 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.603 mas, bmaj=5.009 mas, bpa=6.348 degrees ! Estimated noise=2376.33 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.0027067 Jy ! Component: 100 - total flux cleaned = -0.00295835 Jy ! Component: 150 - total flux cleaned = -0.00272496 Jy ! Component: 200 - total flux cleaned = -0.00135258 Jy ! Total flux subtracted in 200 components = -0.00135258 Jy ! Clean residual min=-0.002778 max=0.002768 Jy/beam ! Clean residual mean=-0.000001 rms=0.001180 Jy/beam ! Combined flux in latest and established models = 0.0189829 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 52 model components to the UV plane model. ! The established model now contains 216 components and 0.0189829 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.353354Jy sigma=0.002623 ! Fit after self-cal, rms=0.352979Jy sigma=0.002621 wmodel J0447-2203_X_2002_05_14_yyk\_map.mod ! Writing 216 model components to file: J0447-2203_X_2002_05_14_yyk_map.mod wobs J0447-2203_X_2002_05_14_yyk\_uvs.fits ! Writing UV FITS file: J0447-2203_X_2002_05_14_yyk_uvs.fits wwins J0447-2203_X_2002_05_14_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0447-2203_X_2002_05_14_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.603 x 5.009 at 6.348 degrees (North through East) ! Clean map min=-0.020355 max=0.022366 Jy/beam ! Writing clean map to FITS file: J0447-2203_X_2002_05_14_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0223661 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00111812 device "J0447-2203_X_2002_05_14_yyk\_map.eps/VPS" ! Attempting to open device: 'J0447-2203_X_2002_05_14_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -14.9976 14.9976 29.9951 59.9902 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0033 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.022 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.603 x 5.009 at 6.348 degrees (North through East) ! Clean map min=-0.020355 max=0.022366 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0447-2203_X_2002_05_14_yyk\_map.gif/gif" ! Attempting to open device: 'J0447-2203_X_2002_05_14_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0447-2203_X_2002_05_14_yyk_uvs.log closed on Tue Jun 26 22:12:39 2007