! Started logfile: J1057-2342_S_1997_07_02_yyk_uvs.log on Sun Jan 7 17:36:11 2007 obs J1057-2342_S_1997_07_02_yyk_uva.fits ! Reading UV FITS file: J1057-2342_S_1997_07_02_yyk_uva.fits ! AN table 1: 106 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.630608 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 755 lines of history. ! ! Reading 12032 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_07_02_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)= 1.2063 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=2.75 mas, bmaj=7.792 mas, bpa=-8.854 degrees ! Estimated noise=2606.2 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 = 0.0768349 Jy ! Component: 100 - total flux cleaned = 0.0944934 Jy ! Total flux subtracted in 100 components = 0.0944934 Jy ! Clean residual min=-0.052219 max=0.051965 Jy/beam ! Clean residual mean=-0.000080 rms=0.032777 Jy/beam ! Combined flux in latest and established models = 0.0944933 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 62 model components to the UV plane model. ! The established model now contains 62 components and 0.0944933 Jy ! ! Correcting IF 1. ! A total of 331 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 226 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 226 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 226 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.198871Jy sigma=0.003445 ! Fit after self-cal, rms=1.198719Jy sigma=0.003445 ! Inverting map and beam ! Estimated beam: bmin=2.75 mas, bmaj=7.792 mas, bpa=-8.854 degrees ! Estimated noise=2606.4 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=3.238 mas, bmaj=8.734 mas, bpa=-8.253 degrees ! Estimated noise=1794.52 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 = 0.00903609 Jy ! Component: 100 - total flux cleaned = -0.0100778 Jy ! Component: 150 - total flux cleaned = -0.0261372 Jy ! Component: 200 - total flux cleaned = -0.0381337 Jy ! Total flux subtracted in 200 components = -0.0381337 Jy ! Clean residual min=-0.011177 max=0.011165 Jy/beam ! Clean residual mean=-0.000090 rms=0.006142 Jy/beam ! Combined flux in latest and established models = 0.0563597 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 72 model components to the UV plane model. ! The established model now contains 133 components and 0.0563597 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.196668Jy sigma=0.003438 ! Fit after self-cal, rms=1.196661Jy sigma=0.003438 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.238 x 8.734 at -8.253 degrees (North through East) ! Clean map min=-0.017862 max=0.094944 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. ! 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=1.196661Jy sigma=0.003438 ! Fit after self-cal, rms=1.196788Jy sigma=0.003438 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=1.196788Jy sigma=0.003438 ! Fit after self-cal, rms=1.196788Jy sigma=0.003438 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.239 mas, bmaj=8.734 mas, bpa=-8.25 degrees ! Estimated noise=1794.63 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 = 0.00193463 Jy ! Component: 100 - total flux cleaned = -0.000600538 Jy ! Component: 150 - total flux cleaned = -0.00462539 Jy ! Component: 200 - total flux cleaned = -0.00229359 Jy ! Total flux subtracted in 200 components = -0.00229359 Jy ! Clean residual min=-0.009625 max=0.009639 Jy/beam ! Clean residual mean=-0.000025 rms=0.005824 Jy/beam ! Combined flux in latest and established models = 0.0540661 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 95 model components to the UV plane model. ! The established model now contains 205 components and 0.0540661 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.195632Jy sigma=0.003435 ! Fit after self-cal, rms=1.195624Jy sigma=0.003435 ! 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=1.195624Jy sigma=0.003435 ! Fit after self-cal, rms=1.193571Jy sigma=0.003428 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 = 0.00121468 Jy ! Component: 100 - total flux cleaned = 0.00648715 Jy ! Component: 150 - total flux cleaned = 0.00749118 Jy ! Component: 200 - total flux cleaned = 0.0104697 Jy ! Total flux subtracted in 200 components = 0.0104697 Jy ! Clean residual min=-0.012376 max=0.012456 Jy/beam ! Clean residual mean=-0.000005 rms=0.007742 Jy/beam ! Combined flux in latest and established models = 0.0645358 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 105 model components to the UV plane model. ! The established model now contains 304 components and 0.0645358 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.191667Jy sigma=0.003423 ! Fit after self-cal, rms=1.190771Jy sigma=0.003421 ! 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: 3.239 x 8.734 at -8.25 degrees (North through East) ! Clean map min=-0.026688 max=0.096102 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=7.358 mas, bmaj=16.41 mas, bpa=-4.93 degrees ! Estimated noise=2292.89 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 = -0.00611279 Jy ! Component: 100 - total flux cleaned = -0.00162434 Jy ! Component: 150 - total flux cleaned = 0.00719101 Jy ! Component: 200 - total flux cleaned = 0.0127445 Jy ! Total flux subtracted in 200 components = 0.0127445 Jy ! Clean residual min=-0.013901 max=0.013938 Jy/beam ! Clean residual mean=0.000076 rms=0.008715 Jy/beam ! Combined flux in latest and established models = 0.0772803 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 96 model components to the UV plane model. ! The established model now contains 393 components and 0.0772802 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.188806Jy sigma=0.003415 ! Fit after self-cal, rms=1.188388Jy sigma=0.003414 ! 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=2.75 mas, bmaj=7.792 mas, bpa=-8.854 degrees ! Estimated noise=2606.64 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0834738 Jy ! Component: 100 - total flux cleaned = 0.0708666 Jy ! Component: 150 - total flux cleaned = 0.0825209 Jy ! Component: 200 - total flux cleaned = 0.104514 Jy ! Total flux subtracted in 200 components = 0.104514 Jy ! Clean residual min=-0.067666 max=0.068600 Jy/beam ! Clean residual mean=0.000049 rms=0.044450 Jy/beam ! Combined flux in latest and established models = 0.104514 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 119 model components to the UV plane model. ! The established model now contains 119 components and 0.104514 Jy ! Inverting map and beam ! Estimated beam: bmin=3.239 mas, bmaj=8.734 mas, bpa=-8.25 degrees ! Estimated noise=1794.63 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 = -0.00945135 Jy ! Component: 100 - total flux cleaned = -0.0281585 Jy ! Component: 150 - total flux cleaned = -0.0410127 Jy ! Component: 200 - total flux cleaned = -0.0543934 Jy ! Total flux subtracted in 200 components = -0.0543934 Jy ! Clean residual min=-0.013609 max=0.013743 Jy/beam ! Clean residual mean=-0.000029 rms=0.008133 Jy/beam ! Combined flux in latest and established models = 0.0501209 Jy ! Adding 96 model components to the UV plane model. ! The established model now contains 213 components and 0.0501209 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=7.358 mas, bmaj=16.41 mas, bpa=-4.93 degrees ! Estimated noise=2292.89 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 = -0.00127384 Jy ! Component: 100 - total flux cleaned = -0.00242726 Jy ! Component: 150 - total flux cleaned = -0.00456435 Jy ! Component: 200 - total flux cleaned = -0.00129037 Jy ! Total flux subtracted in 200 components = -0.00129037 Jy ! Clean residual min=-0.013608 max=0.013595 Jy/beam ! Clean residual mean=0.000046 rms=0.008443 Jy/beam ! Combined flux in latest and established models = 0.0488305 Jy ! Adding 107 model components to the UV plane model. ! The established model now contains 304 components and 0.0488305 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.239 mas, bmaj=8.734 mas, bpa=-8.25 degrees ! Estimated noise=1794.63 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00327705 Jy ! Component: 100 - total flux cleaned = -0.0012279 Jy ! Component: 150 - total flux cleaned = -0.00320557 Jy ! Component: 200 - total flux cleaned = -0.00124068 Jy ! Total flux subtracted in 200 components = -0.00124068 Jy ! Clean residual min=-0.012321 max=0.012271 Jy/beam ! Clean residual mean=0.000025 rms=0.007554 Jy/beam ! Combined flux in latest and established models = 0.0475898 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 105 model components to the UV plane model. ! The established model now contains 400 components and 0.0475898 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.183163Jy sigma=0.003400 ! Fit after self-cal, rms=1.183030Jy sigma=0.003399 wmodel J1057-2342_S_1997_07_02_yyk\_map.mod ! Writing 400 model components to file: J1057-2342_S_1997_07_02_yyk_map.mod wobs J1057-2342_S_1997_07_02_yyk\_uvs.fits ! Writing UV FITS file: J1057-2342_S_1997_07_02_yyk_uvs.fits wwins J1057-2342_S_1997_07_02_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J1057-2342_S_1997_07_02_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.239 x 8.734 at -8.25 degrees (North through East) ! Clean map min=-0.041681 max=0.092532 Jy/beam ! Writing clean map to FITS file: J1057-2342_S_1997_07_02_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0925316 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00764431 device "J1057-2342_S_1997_07_02_yyk\_map.eps/VPS" ! Attempting to open device: 'J1057-2342_S_1997_07_02_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -24.7839 24.7839 49.5678 99.1356 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0229 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.092 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.239 x 8.734 at -8.25 degrees (North through East) ! Clean map min=-0.041681 max=0.092532 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1057-2342_S_1997_07_02_yyk\_map.gif/gif" ! Attempting to open device: 'J1057-2342_S_1997_07_02_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1057-2342_S_1997_07_02_yyk_uvs.log closed on Sun Jan 7 17:36:17 2007