! Started logfile: J0320-3837_X_2002_05_14_yyk_uvs.log on Tue Jun 26 22:06:33 2007 obs J0320-3837_X_2002_05_14_yyk_uva.fits ! Reading UV FITS file: J0320-3837_X_2002_05_14_yyk_uva.fits ! AN table 1: 39 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.446724 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0320-3837 ! ! 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 1076 lines of history. ! ! Reading 3136 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 J0320-3837_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)= 0.278755 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=0.7853 mas, bmaj=7.066 mas, bpa=26.77 degrees ! Estimated noise=3029.27 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 = 0.0686894 Jy ! Component: 100 - total flux cleaned = 0.0864812 Jy ! Total flux subtracted in 100 components = 0.0864812 Jy ! Clean residual min=-0.012995 max=0.013022 Jy/beam ! Clean residual mean=-0.000178 rms=0.004977 Jy/beam ! Combined flux in latest and established models = 0.0864812 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 0.0864812 Jy ! ! Correcting IF 1. ! A total of 127 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 127 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 127 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 390 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.269758Jy sigma=0.001546 ! Fit after self-cal, rms=0.269527Jy sigma=0.001542 ! Inverting map and beam ! Estimated beam: bmin=0.7854 mas, bmaj=7.068 mas, bpa=26.76 degrees ! Estimated noise=3034.14 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=0.996 mas, bmaj=7.821 mas, bpa=26.01 degrees ! Estimated noise=2205.68 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 = 0.00603133 Jy ! Component: 100 - total flux cleaned = -0.000870583 Jy ! Component: 150 - total flux cleaned = -0.00623253 Jy ! Component: 200 - total flux cleaned = -0.00898425 Jy ! Total flux subtracted in 200 components = -0.00898425 Jy ! Clean residual min=-0.004716 max=0.004624 Jy/beam ! Clean residual mean=-0.000103 rms=0.001975 Jy/beam ! Combined flux in latest and established models = 0.077497 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 50 model components to the UV plane model. ! The established model now contains 83 components and 0.077497 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.267654Jy sigma=0.001529 ! Fit after self-cal, rms=0.267648Jy sigma=0.001529 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.996 x 7.821 at 26.01 degrees (North through East) ! Clean map min=-0.012869 max=0.046658 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 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* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* MK 0.00* ! ! ! Fit before self-cal, rms=0.267648Jy sigma=0.001529 ! Fit after self-cal, rms=0.267648Jy sigma=0.001529 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=0.267648Jy sigma=0.001529 ! Fit after self-cal, rms=0.267649Jy sigma=0.001529 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.996 mas, bmaj=7.821 mas, bpa=26.01 degrees ! Estimated noise=2205.68 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 = 0.00015221 Jy ! Component: 100 - total flux cleaned = -0.000789559 Jy ! Component: 150 - total flux cleaned = -0.00267435 Jy ! Component: 200 - total flux cleaned = -0.00444208 Jy ! Total flux subtracted in 200 components = -0.00444208 Jy ! Clean residual min=-0.003090 max=0.003090 Jy/beam ! Clean residual mean=-0.000050 rms=0.001321 Jy/beam ! Combined flux in latest and established models = 0.0730549 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 64 model components to the UV plane model. ! The established model now contains 137 components and 0.0730549 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.267077Jy sigma=0.001526 ! Fit after self-cal, rms=0.267072Jy sigma=0.001525 ! 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=0.267072Jy sigma=0.001525 ! Fit after self-cal, rms=0.264623Jy sigma=0.001503 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 = 0.00086418 Jy ! Component: 100 - total flux cleaned = 0.00218879 Jy ! Component: 150 - total flux cleaned = 0.00189485 Jy ! Component: 200 - total flux cleaned = 0.000307468 Jy ! Total flux subtracted in 200 components = 0.000307468 Jy ! Clean residual min=-0.003777 max=0.003737 Jy/beam ! Clean residual mean=-0.000091 rms=0.001581 Jy/beam ! Combined flux in latest and established models = 0.0733624 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 58 model components to the UV plane model. ! The established model now contains 190 components and 0.0733624 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.263498Jy sigma=0.001496 ! Fit after self-cal, rms=0.262753Jy sigma=0.001490 ! 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: 0.996 x 7.821 at 26.01 degrees (North through East) ! Clean map min=-0.01368 max=0.053967 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=2.518 mas, bmaj=13.05 mas, bpa=12.82 degrees ! Estimated noise=2598.01 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 = -0.000751991 Jy ! Component: 100 - total flux cleaned = -0.00187504 Jy ! Component: 150 - total flux cleaned = -0.00240793 Jy ! Component: 200 - total flux cleaned = -0.00241214 Jy ! Total flux subtracted in 200 components = -0.00241214 Jy ! Clean residual min=-0.003132 max=0.003028 Jy/beam ! Clean residual mean=-0.000054 rms=0.001312 Jy/beam ! Combined flux in latest and established models = 0.0709502 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 68 model components to the UV plane model. ! The established model now contains 255 components and 0.0709503 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.262359Jy sigma=0.001488 ! Fit after self-cal, rms=0.261995Jy sigma=0.001486 ! 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=0.7854 mas, bmaj=7.068 mas, bpa=26.76 degrees ! Estimated noise=3034.14 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0795156 Jy ! Component: 100 - total flux cleaned = 0.084902 Jy ! Component: 150 - total flux cleaned = 0.0797168 Jy ! Component: 200 - total flux cleaned = 0.0745509 Jy ! Total flux subtracted in 200 components = 0.0745509 Jy ! Clean residual min=-0.008165 max=0.008183 Jy/beam ! Clean residual mean=-0.000129 rms=0.003234 Jy/beam ! Combined flux in latest and established models = 0.0745509 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 54 model components to the UV plane model. ! The established model now contains 54 components and 0.0745509 Jy ! Inverting map and beam ! Estimated beam: bmin=0.996 mas, bmaj=7.821 mas, bpa=26.01 degrees ! Estimated noise=2205.68 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 = 0.00389853 Jy ! Component: 100 - total flux cleaned = 0.00151459 Jy ! Component: 150 - total flux cleaned = -0.00127693 Jy ! Component: 200 - total flux cleaned = -0.00439797 Jy ! Total flux subtracted in 200 components = -0.00439797 Jy ! Clean residual min=-0.004109 max=0.004109 Jy/beam ! Clean residual mean=-0.000078 rms=0.001722 Jy/beam ! Combined flux in latest and established models = 0.0701529 Jy ! Adding 57 model components to the UV plane model. ! The established model now contains 110 components and 0.0701529 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=2.518 mas, bmaj=13.05 mas, bpa=12.82 degrees ! Estimated noise=2598.01 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 = -0.00059813 Jy ! Component: 100 - total flux cleaned = -0.00238411 Jy ! Component: 150 - total flux cleaned = -0.00453935 Jy ! Component: 200 - total flux cleaned = -0.0050042 Jy ! Total flux subtracted in 200 components = -0.0050042 Jy ! Clean residual min=-0.002980 max=0.002933 Jy/beam ! Clean residual mean=-0.000072 rms=0.001342 Jy/beam ! Combined flux in latest and established models = 0.0651487 Jy ! Adding 62 model components to the UV plane model. ! The established model now contains 172 components and 0.0651488 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.996 mas, bmaj=7.821 mas, bpa=26.01 degrees ! Estimated noise=2205.68 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00159257 Jy ! Component: 100 - total flux cleaned = 0.000428332 Jy ! Component: 150 - total flux cleaned = 0.000868241 Jy ! Component: 200 - total flux cleaned = 0.00107711 Jy ! Total flux subtracted in 200 components = 0.00107711 Jy ! Clean residual min=-0.002571 max=0.002541 Jy/beam ! Clean residual mean=-0.000052 rms=0.001040 Jy/beam ! Combined flux in latest and established models = 0.0662259 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 50 model components to the UV plane model. ! The established model now contains 217 components and 0.0662259 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.261410Jy sigma=0.001483 ! Fit after self-cal, rms=0.261182Jy sigma=0.001482 wmodel J0320-3837_X_2002_05_14_yyk\_map.mod ! Writing 217 model components to file: J0320-3837_X_2002_05_14_yyk_map.mod wobs J0320-3837_X_2002_05_14_yyk\_uvs.fits ! Writing UV FITS file: J0320-3837_X_2002_05_14_yyk_uvs.fits wwins J0320-3837_X_2002_05_14_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0320-3837_X_2002_05_14_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.996 x 7.821 at 26.01 degrees (North through East) ! Clean map min=-0.011632 max=0.041591 Jy/beam ! Writing clean map to FITS file: J0320-3837_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 0.0415914 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00115653 device "J0320-3837_X_2002_05_14_yyk\_map.eps/VPS" ! Attempting to open device: 'J0320-3837_X_2002_05_14_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -8.34208 8.34208 16.6842 33.3683 66.7366 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0034 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.041 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.996 x 7.821 at 26.01 degrees (North through East) ! Clean map min=-0.011632 max=0.041591 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0320-3837_X_2002_05_14_yyk\_map.gif/gif" ! Attempting to open device: 'J0320-3837_X_2002_05_14_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0320-3837_X_2002_05_14_yyk_uvs.log closed on Tue Jun 26 22:06:38 2007