! Started logfile: J1057-2342_S_1997_08_27_yyk_uvs.log on Sun Jan 7 17:36:17 2007 obs J1057-2342_S_1997_08_27_yyk_uva.fits ! Reading UV FITS file: J1057-2342_S_1997_08_27_yyk_uva.fits ! AN table 1: 106 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.9 visibilities/baseline/integration-bin. ! Found source: J1057-2342 ! ! 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 17172 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 J1057-2342_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)= 1.2266 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=3.01 mas, bmaj=6.538 mas, bpa=-15.32 degrees ! Estimated noise=2673.8 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 = 0.0375415 Jy ! Component: 100 - total flux cleaned = 0.0372667 Jy ! Total flux subtracted in 100 components = 0.0372667 Jy ! Clean residual min=-0.037755 max=0.037556 Jy/beam ! Clean residual mean=-0.000027 rms=0.016187 Jy/beam ! Combined flux in latest and established models = 0.0372667 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 54 model components to the UV plane model. ! The established model now contains 54 components and 0.0372667 Jy ! ! Correcting IF 1. ! A total of 167 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 62 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 167 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 62 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.222442Jy sigma=0.004136 ! Fit after self-cal, rms=1.221992Jy sigma=0.004135 ! Inverting map and beam ! Estimated beam: bmin=3.01 mas, bmaj=6.538 mas, bpa=-15.32 degrees ! Estimated noise=2677.72 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=3.401 mas, bmaj=8.018 mas, bpa=-12.71 degrees ! Estimated noise=1669.06 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 = 0.0224962 Jy ! Component: 100 - total flux cleaned = 0.0103477 Jy ! Component: 150 - total flux cleaned = 0.00239936 Jy ! Component: 200 - total flux cleaned = -0.00360041 Jy ! Total flux subtracted in 200 components = -0.00360041 Jy ! Clean residual min=-0.018101 max=0.018138 Jy/beam ! Clean residual mean=0.000113 rms=0.008132 Jy/beam ! Combined flux in latest and established models = 0.0336663 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 81 model components to the UV plane model. ! The established model now contains 131 components and 0.0336663 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.218962Jy sigma=0.004124 ! Fit after self-cal, rms=1.218904Jy sigma=0.004124 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.401 x 8.018 at -12.71 degrees (North through East) ! Clean map min=-0.028886 max=0.074481 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=1.218904Jy sigma=0.004124 ! Fit after self-cal, rms=1.218904Jy sigma=0.004124 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=1.218904Jy sigma=0.004124 ! Fit after self-cal, rms=1.218908Jy sigma=0.004124 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.401 mas, bmaj=8.018 mas, bpa=-12.71 degrees ! Estimated noise=1669.06 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 = 0.000228832 Jy ! Component: 100 - total flux cleaned = -0.00534938 Jy ! Component: 150 - total flux cleaned = -0.00535835 Jy ! Component: 200 - total flux cleaned = -0.0105007 Jy ! Total flux subtracted in 200 components = -0.0105007 Jy ! Clean residual min=-0.015609 max=0.015730 Jy/beam ! Clean residual mean=0.000121 rms=0.007341 Jy/beam ! Combined flux in latest and established models = 0.0231656 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 92 model components to the UV plane model. ! The established model now contains 191 components and 0.0231656 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.217098Jy sigma=0.004117 ! Fit after self-cal, rms=1.217080Jy sigma=0.004117 ! 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=1.217080Jy sigma=0.004117 ! Fit after self-cal, rms=1.213020Jy sigma=0.004104 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 = -0.00407213 Jy ! Component: 100 - total flux cleaned = -0.0119348 Jy ! Component: 150 - total flux cleaned = -0.0138169 Jy ! Component: 200 - total flux cleaned = -0.0191685 Jy ! Total flux subtracted in 200 components = -0.0191685 Jy ! Clean residual min=-0.022075 max=0.022070 Jy/beam ! Clean residual mean=0.000074 rms=0.010369 Jy/beam ! Combined flux in latest and established models = 0.00399705 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 91 model components to the UV plane model. ! The established model now contains 262 components and 0.00399706 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.209279Jy sigma=0.004091 ! Fit after self-cal, rms=1.208027Jy sigma=0.004088 ! 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: 3.401 x 8.018 at -12.71 degrees (North through East) ! Clean map min=-0.036879 max=0.083686 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=8.057 mas, bmaj=15.76 mas, bpa=-9.51 degrees ! Estimated noise=2123.1 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 = 0.00584286 Jy ! Component: 100 - total flux cleaned = 0.00871386 Jy ! Component: 150 - total flux cleaned = 0.0112734 Jy ! Component: 200 - total flux cleaned = 0.012318 Jy ! Total flux subtracted in 200 components = 0.012318 Jy ! Clean residual min=-0.003233 max=0.003204 Jy/beam ! Clean residual mean=0.000094 rms=0.001320 Jy/beam ! Combined flux in latest and established models = 0.016315 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 45 model components to the UV plane model. ! The established model now contains 306 components and 0.016315 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.207908Jy sigma=0.004088 ! Fit after self-cal, rms=1.207718Jy sigma=0.004087 ! 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=3.01 mas, bmaj=6.538 mas, bpa=-15.32 degrees ! Estimated noise=2677.72 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0283283 Jy ! Component: 100 - total flux cleaned = 0.00912183 Jy ! Component: 150 - total flux cleaned = -0.00347087 Jy ! Component: 200 - total flux cleaned = -0.0152112 Jy ! Total flux subtracted in 200 components = -0.0152112 Jy ! Clean residual min=-0.047203 max=0.047330 Jy/beam ! Clean residual mean=-0.000017 rms=0.022304 Jy/beam ! Combined flux in latest and established models = -0.0152112 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 95 model components to the UV plane model. ! The established model now contains 95 components and -0.0152112 Jy ! Inverting map and beam ! Estimated beam: bmin=3.401 mas, bmaj=8.018 mas, bpa=-12.71 degrees ! Estimated noise=1669.06 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 = -0.00517329 Jy ! Component: 100 - total flux cleaned = -0.0116715 Jy ! Component: 150 - total flux cleaned = -0.0136659 Jy ! Component: 200 - total flux cleaned = -0.0213692 Jy ! Total flux subtracted in 200 components = -0.0213692 Jy ! Clean residual min=-0.023601 max=0.023558 Jy/beam ! Clean residual mean=0.000054 rms=0.010961 Jy/beam ! Combined flux in latest and established models = -0.0365804 Jy ! Adding 86 model components to the UV plane model. ! The established model now contains 168 components and -0.0365804 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=8.057 mas, bmaj=15.76 mas, bpa=-9.51 degrees ! Estimated noise=2123.1 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 = 0.00942632 Jy ! Component: 100 - total flux cleaned = 0.0105866 Jy ! Component: 150 - total flux cleaned = 0.0108998 Jy ! Component: 200 - total flux cleaned = 0.011489 Jy ! Total flux subtracted in 200 components = 0.011489 Jy ! Clean residual min=-0.003439 max=0.003431 Jy/beam ! Clean residual mean=0.000147 rms=0.001491 Jy/beam ! Combined flux in latest and established models = -0.0250914 Jy ! Adding 52 model components to the UV plane model. ! The established model now contains 220 components and -0.0250915 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.401 mas, bmaj=8.018 mas, bpa=-12.71 degrees ! Estimated noise=1669.06 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00382366 Jy ! Component: 100 - total flux cleaned = 0.00559469 Jy ! Component: 150 - total flux cleaned = 0.00556846 Jy ! Component: 200 - total flux cleaned = 0.00224731 Jy ! Total flux subtracted in 200 components = 0.00224731 Jy ! Clean residual min=-0.020433 max=0.020411 Jy/beam ! Clean residual mean=0.000094 rms=0.009946 Jy/beam ! Combined flux in latest and established models = -0.0228441 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 97 model components to the UV plane model. ! The established model now contains 285 components and -0.0228441 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.204261Jy sigma=0.004075 ! Fit after self-cal, rms=1.204311Jy sigma=0.004076 wmodel J1057-2342_S_1997_08_27_yyk\_map.mod ! Writing 285 model components to file: J1057-2342_S_1997_08_27_yyk_map.mod wobs J1057-2342_S_1997_08_27_yyk\_uvs.fits ! Writing UV FITS file: J1057-2342_S_1997_08_27_yyk_uvs.fits wwins J1057-2342_S_1997_08_27_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J1057-2342_S_1997_08_27_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.401 x 8.018 at -12.71 degrees (North through East) ! Clean map min=-0.035117 max=0.082725 Jy/beam ! Writing clean map to FITS file: J1057-2342_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 0.0827252 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00986038 device "J1057-2342_S_1997_08_27_yyk\_map.eps/VPS" ! Attempting to open device: 'J1057-2342_S_1997_08_27_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -35.7583 35.7583 71.5166 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0295 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.082 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.401 x 8.018 at -12.71 degrees (North through East) ! Clean map min=-0.035117 max=0.082725 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1057-2342_S_1997_08_27_yyk\_map.gif/gif" ! Attempting to open device: 'J1057-2342_S_1997_08_27_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1057-2342_S_1997_08_27_yyk_uvs.log closed on Sun Jan 7 17:36:22 2007