! Started logfile: J1018-3123_X_2002_01_31_yyk_uvs.log on Wed Jun 27 10:55:12 2007 obs J1018-3123_X_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J1018-3123_X_2002_01_31_yyk_uva.fits ! AN table 1: 75 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.472 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1018-3123 ! ! 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 1545 lines of history. ! ! Reading 6372 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 flag NL ! Flagging baselines of antenna 1:NL in the currently selected channels. ![@muppet J1018-3123_X_2002_01_31_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)= 0.198957 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=0.8076 mas, bmaj=3.868 mas, bpa=-20.31 degrees ! Estimated noise=1999.47 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 = 0.0270201 Jy ! Component: 100 - total flux cleaned = 0.0338971 Jy ! Total flux subtracted in 100 components = 0.0338971 Jy ! Clean residual min=-0.008386 max=0.008478 Jy/beam ! Clean residual mean=0.000203 rms=0.003233 Jy/beam ! Combined flux in latest and established models = 0.0338971 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 33 model components to the UV plane model. ! The established model now contains 33 components and 0.0338971 Jy ! ! Correcting IF 1. ! A total of 354 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 354 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 354 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 370 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.195923Jy sigma=0.001684 ! Fit after self-cal, rms=0.195706Jy sigma=0.001681 ! Inverting map and beam ! Estimated beam: bmin=0.8078 mas, bmaj=3.869 mas, bpa=-20.31 degrees ! Estimated noise=2001.83 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=1.08 mas, bmaj=4.591 mas, bpa=-16.08 degrees ! Estimated noise=1161.88 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 = 0.0162774 Jy ! Component: 100 - total flux cleaned = 0.0156461 Jy ! Component: 150 - total flux cleaned = 0.0151019 Jy ! Component: 200 - total flux cleaned = 0.0146285 Jy ! Total flux subtracted in 200 components = 0.0146285 Jy ! Clean residual min=-0.005840 max=0.005832 Jy/beam ! Clean residual mean=0.000393 rms=0.003406 Jy/beam ! Combined flux in latest and established models = 0.0485255 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 68 model components to the UV plane model. ! The established model now contains 99 components and 0.0485255 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.193915Jy sigma=0.001659 ! Fit after self-cal, rms=0.193871Jy sigma=0.001659 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.08 x 4.591 at -16.08 degrees (North through East) ! Clean map min=-0.010706 max=0.015313 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=0.193871Jy sigma=0.001659 ! Fit after self-cal, rms=0.193871Jy sigma=0.001659 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=0.193871Jy sigma=0.001659 ! Fit after self-cal, rms=0.193871Jy sigma=0.001659 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.08 mas, bmaj=4.591 mas, bpa=-16.08 degrees ! Estimated noise=1161.88 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 = 0.00204821 Jy ! Component: 100 - total flux cleaned = 0.00393262 Jy ! Component: 150 - total flux cleaned = 0.00681018 Jy ! Component: 200 - total flux cleaned = 0.00681636 Jy ! Total flux subtracted in 200 components = 0.00681636 Jy ! Clean residual min=-0.003492 max=0.003497 Jy/beam ! Clean residual mean=0.000310 rms=0.002126 Jy/beam ! Combined flux in latest and established models = 0.0553419 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 100 model components to the UV plane model. ! The established model now contains 189 components and 0.0553419 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.193192Jy sigma=0.001652 ! Fit after self-cal, rms=0.193172Jy sigma=0.001651 ! 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=0.193172Jy sigma=0.001651 ! Fit after self-cal, rms=0.192114Jy sigma=0.001642 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 = -0.000282136 Jy ! Component: 100 - total flux cleaned = -0.00034485 Jy ! Component: 150 - total flux cleaned = -0.000326599 Jy ! Component: 200 - total flux cleaned = -0.00145441 Jy ! Total flux subtracted in 200 components = -0.00145441 Jy ! Clean residual min=-0.003354 max=0.003341 Jy/beam ! Clean residual mean=0.000248 rms=0.001531 Jy/beam ! Combined flux in latest and established models = 0.0538875 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 59 model components to the UV plane model. ! The established model now contains 246 components and 0.0538875 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.191363Jy sigma=0.001634 ! Fit after self-cal, rms=0.191037Jy sigma=0.001630 ! 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: 1.08 x 4.591 at -16.08 degrees (North through East) ! Clean map min=-0.013357 max=0.014068 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=3.063 mas, bmaj=8.696 mas, bpa=11.74 degrees ! Estimated noise=1344.96 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 = -0.00116822 Jy ! Component: 100 - total flux cleaned = -0.00167577 Jy ! Component: 150 - total flux cleaned = -0.00123114 Jy ! Component: 200 - total flux cleaned = -0.000825214 Jy ! Total flux subtracted in 200 components = -0.000825214 Jy ! Clean residual min=-0.002339 max=0.002343 Jy/beam ! Clean residual mean=0.000286 rms=0.001229 Jy/beam ! Combined flux in latest and established models = 0.0530623 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 78 model components to the UV plane model. ! The established model now contains 320 components and 0.0530623 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190717Jy sigma=0.001627 ! Fit after self-cal, rms=0.190596Jy sigma=0.001626 ! 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=0.8078 mas, bmaj=3.869 mas, bpa=-20.31 degrees ! Estimated noise=2001.83 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0283557 Jy ! Component: 100 - total flux cleaned = 0.0363177 Jy ! Component: 150 - total flux cleaned = 0.0420358 Jy ! Component: 200 - total flux cleaned = 0.046176 Jy ! Total flux subtracted in 200 components = 0.046176 Jy ! Clean residual min=-0.007846 max=0.007914 Jy/beam ! Clean residual mean=0.000139 rms=0.003071 Jy/beam ! Combined flux in latest and established models = 0.046176 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 63 model components to the UV plane model. ! The established model now contains 63 components and 0.046176 Jy ! Inverting map and beam ! Estimated beam: bmin=1.08 mas, bmaj=4.591 mas, bpa=-16.08 degrees ! Estimated noise=1161.88 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 = 0.00747615 Jy ! Component: 100 - total flux cleaned = 0.00690469 Jy ! Component: 150 - total flux cleaned = 0.0074103 Jy ! Component: 200 - total flux cleaned = 0.00789911 Jy ! Total flux subtracted in 200 components = 0.00789911 Jy ! Clean residual min=-0.005807 max=0.005841 Jy/beam ! Clean residual mean=0.000293 rms=0.002692 Jy/beam ! Combined flux in latest and established models = 0.0540751 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 110 components and 0.0540751 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=3.063 mas, bmaj=8.696 mas, bpa=11.74 degrees ! Estimated noise=1344.96 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 = -0.00528426 Jy ! Component: 100 - total flux cleaned = -0.0046409 Jy ! Component: 150 - total flux cleaned = -0.000227177 Jy ! Component: 200 - total flux cleaned = 0.00161583 Jy ! Total flux subtracted in 200 components = 0.00161583 Jy ! Clean residual min=-0.003099 max=0.003103 Jy/beam ! Clean residual mean=0.000304 rms=0.001849 Jy/beam ! Combined flux in latest and established models = 0.0556909 Jy ! Adding 106 model components to the UV plane model. ! The established model now contains 213 components and 0.0556909 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.08 mas, bmaj=4.591 mas, bpa=-16.08 degrees ! Estimated noise=1161.88 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000180176 Jy ! Component: 100 - total flux cleaned = -0.000177581 Jy ! Component: 150 - total flux cleaned = -0.00133291 Jy ! Component: 200 - total flux cleaned = -0.00134486 Jy ! Total flux subtracted in 200 components = -0.00134486 Jy ! Clean residual min=-0.002122 max=0.002092 Jy/beam ! Clean residual mean=0.000171 rms=0.000919 Jy/beam ! Combined flux in latest and established models = 0.0543461 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 51 model components to the UV plane model. ! The established model now contains 259 components and 0.0543461 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190109Jy sigma=0.001622 ! Fit after self-cal, rms=0.189869Jy sigma=0.001620 wmodel J1018-3123_X_2002_01_31_yyk\_map.mod ! Writing 259 model components to file: J1018-3123_X_2002_01_31_yyk_map.mod wobs J1018-3123_X_2002_01_31_yyk\_uvs.fits ! Applying 75 buffered edits. ! Writing UV FITS file: J1018-3123_X_2002_01_31_yyk_uvs.fits wwins J1018-3123_X_2002_01_31_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J1018-3123_X_2002_01_31_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.08 x 4.591 at -16.08 degrees (North through East) ! Clean map min=-0.01219 max=0.011064 Jy/beam ! Writing clean map to FITS file: J1018-3123_X_2002_01_31_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0110637 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00109303 device "J1018-3123_X_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J1018-3123_X_2002_01_31_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -29.6381 29.6381 59.2763 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0032 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.011 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.08 x 4.591 at -16.08 degrees (North through East) ! Clean map min=-0.01219 max=0.011064 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1018-3123_X_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J1018-3123_X_2002_01_31_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1018-3123_X_2002_01_31_yyk_uvs.log closed on Wed Jun 27 10:55:17 2007