! Started logfile: J1725+7726_X_2006_02_16_yyk_uvs.log on Wed Jul 5 13:10:23 2006 obs J1725+7726_X_2006_02_16_yyk_uva.fits ! Reading UV FITS file: J1725+7726_X_2006_02_16_yyk_uva.fits ! AN table 1: 869 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.246925 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1725+7726 ! ! 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2421 lines of history. ! ! Reading 38624 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 J1725+7726_X_2006_02_16_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. uvav time_av, true ! Averaging into 30 second bins. ! 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 phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.0958429 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=0.6091 mas, bmaj=13 mas, bpa=11.66 degrees ! Estimated noise=1.10265 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 = 0.0254192 Jy ! Component: 100 - total flux cleaned = 0.0417394 Jy ! Total flux subtracted in 100 components = 0.0417394 Jy ! Clean residual min=-0.005335 max=0.006680 Jy/beam ! Clean residual mean=-0.000079 rms=0.002275 Jy/beam ! Combined flux in latest and established models = 0.0417394 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 28 model components to the UV plane model. ! The established model now contains 28 components and 0.0417394 Jy ! ! Correcting IF 1. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 87 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 87 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.069958Jy sigma=1.593776 ! Fit after self-cal, rms=0.070002Jy sigma=1.595015 ! Inverting map and beam ! Estimated beam: bmin=0.6091 mas, bmaj=13 mas, bpa=11.66 degrees ! Estimated noise=1.10274 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=0.5963 mas, bmaj=14.36 mas, bpa=11.72 degrees ! Estimated noise=0.749767 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 = 0.015183 Jy ! Component: 100 - total flux cleaned = 0.0263429 Jy ! Component: 150 - total flux cleaned = 0.0354564 Jy ! Component: 200 - total flux cleaned = 0.0431002 Jy ! Total flux subtracted in 200 components = 0.0431002 Jy ! Clean residual min=-0.003444 max=0.003518 Jy/beam ! Clean residual mean=-0.000067 rms=0.001657 Jy/beam ! Combined flux in latest and established models = 0.0848396 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 99 model components to the UV plane model. ! The established model now contains 117 components and 0.0848396 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055045Jy sigma=1.222926 ! Fit after self-cal, rms=0.054985Jy sigma=1.221670 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5963 x 14.36 at 11.72 degrees (North through East) ! Clean map min=-0.0034892 max=0.027268 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* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Correcting IF 2. ! 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 3. ! 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 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* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Fit before self-cal, rms=0.054985Jy sigma=1.221670 ! Fit after self-cal, rms=0.055613Jy sigma=1.221946 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=0.055613Jy sigma=1.221946 ! Fit after self-cal, rms=0.055595Jy sigma=1.220587 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.5928 mas, bmaj=14.52 mas, bpa=11.7 degrees ! Estimated noise=0.770066 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 = 0.00634193 Jy ! Component: 100 - total flux cleaned = 0.0110595 Jy ! Component: 150 - total flux cleaned = 0.0144024 Jy ! Component: 200 - total flux cleaned = 0.0165165 Jy ! Total flux subtracted in 200 components = 0.0165165 Jy ! Clean residual min=-0.001880 max=0.001903 Jy/beam ! Clean residual mean=-0.000038 rms=0.000950 Jy/beam ! Combined flux in latest and established models = 0.101356 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 113 model components to the UV plane model. ! The established model now contains 216 components and 0.101356 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051801Jy sigma=1.120879 ! Fit after self-cal, rms=0.051787Jy sigma=1.120031 ! 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=0.051787Jy sigma=1.120031 ! Fit after self-cal, rms=0.046303Jy sigma=1.001483 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 = 0.0035756 Jy ! Component: 100 - total flux cleaned = 0.00522659 Jy ! Component: 150 - total flux cleaned = 0.00633628 Jy ! Component: 200 - total flux cleaned = 0.00665935 Jy ! Total flux subtracted in 200 components = 0.00665935 Jy ! Clean residual min=-0.001285 max=0.001275 Jy/beam ! Clean residual mean=-0.000027 rms=0.000642 Jy/beam ! Combined flux in latest and established models = 0.108015 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 93 model components to the UV plane model. ! The established model now contains 283 components and 0.108015 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.044018Jy sigma=0.938533 ! Fit after self-cal, rms=0.043574Jy sigma=0.928031 ! 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: 0.5928 x 14.52 at 11.7 degrees (North through East) ! Clean map min=-0.002694 max=0.031183 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=2.214 mas, bmaj=10.63 mas, bpa=12.69 degrees ! Estimated noise=1.64216 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 = -0.00158794 Jy ! Component: 100 - total flux cleaned = -0.00267239 Jy ! Component: 150 - total flux cleaned = -0.00338291 Jy ! Component: 200 - total flux cleaned = -0.00402177 Jy ! Total flux subtracted in 200 components = -0.00402177 Jy ! Clean residual min=-0.001987 max=0.001952 Jy/beam ! Clean residual mean=-0.000055 rms=0.000796 Jy/beam ! Combined flux in latest and established models = 0.103994 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 84 model components to the UV plane model. ! The established model now contains 353 components and 0.103994 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.041861Jy sigma=0.890329 ! Fit after self-cal, rms=0.041732Jy sigma=0.882941 ! 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=0.6082 mas, bmaj=12.98 mas, bpa=11.65 degrees ! Estimated noise=1.19009 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.02712 Jy ! Component: 100 - total flux cleaned = 0.0444707 Jy ! Component: 150 - total flux cleaned = 0.0568092 Jy ! Component: 200 - total flux cleaned = 0.0653841 Jy ! Total flux subtracted in 200 components = 0.0653841 Jy ! Clean residual min=-0.004539 max=0.004615 Jy/beam ! Clean residual mean=-0.000059 rms=0.001827 Jy/beam ! Combined flux in latest and established models = 0.0653841 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 69 model components to the UV plane model. ! The established model now contains 69 components and 0.0653841 Jy ! Inverting map and beam ! Estimated beam: bmin=0.5928 mas, bmaj=14.52 mas, bpa=11.7 degrees ! Estimated noise=0.770066 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 = 0.0107246 Jy ! Component: 100 - total flux cleaned = 0.0185936 Jy ! Component: 150 - total flux cleaned = 0.0241205 Jy ! Component: 200 - total flux cleaned = 0.0285903 Jy ! Total flux subtracted in 200 components = 0.0285903 Jy ! Clean residual min=-0.002697 max=0.002742 Jy/beam ! Clean residual mean=-0.000051 rms=0.001269 Jy/beam ! Combined flux in latest and established models = 0.0939744 Jy ! Adding 89 model components to the UV plane model. ! The established model now contains 141 components and 0.0939744 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=2.214 mas, bmaj=10.63 mas, bpa=12.69 degrees ! Estimated noise=1.64216 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 = 0.011352 Jy ! Component: 100 - total flux cleaned = 0.0100861 Jy ! Component: 150 - total flux cleaned = 0.0105813 Jy ! Component: 200 - total flux cleaned = 0.0101078 Jy ! Total flux subtracted in 200 components = 0.0101078 Jy ! Clean residual min=-0.002604 max=0.002610 Jy/beam ! Clean residual mean=-0.000078 rms=0.001107 Jy/beam ! Combined flux in latest and established models = 0.104082 Jy ! Adding 105 model components to the UV plane model. ! The established model now contains 240 components and 0.104082 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.5928 mas, bmaj=14.52 mas, bpa=11.7 degrees ! Estimated noise=0.770066 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00123896 Jy ! Component: 100 - total flux cleaned = -0.00231299 Jy ! Component: 150 - total flux cleaned = -0.00338475 Jy ! Component: 200 - total flux cleaned = -0.00427737 Jy ! Total flux subtracted in 200 components = -0.00427737 Jy ! Clean residual min=-0.000439 max=0.000442 Jy/beam ! Clean residual mean=-0.000005 rms=0.000170 Jy/beam ! Combined flux in latest and established models = 0.0998048 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 54 model components to the UV plane model. ! The established model now contains 293 components and 0.0998047 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.041579Jy sigma=0.877093 ! Fit after self-cal, rms=0.041559Jy sigma=0.874741 wmodel J1725+7726_X_2006_02_16_yyk\_map.mod ! Writing 293 model components to file: J1725+7726_X_2006_02_16_yyk_map.mod wobs J1725+7726_X_2006_02_16_yyk\_uvs.fits ! Writing UV FITS file: J1725+7726_X_2006_02_16_yyk_uvs.fits wwins J1725+7726_X_2006_02_16_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J1725+7726_X_2006_02_16_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5928 x 14.52 at 11.7 degrees (North through East) ! Clean map min=-0.0038325 max=0.034893 Jy/beam ! Writing clean map to FITS file: J1725+7726_X_2006_02_16_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0348932 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000212656 device "J1725+7726_X_2006_02_16_yyk\_map.eps/VPS" ! Attempting to open device: 'J1725+7726_X_2006_02_16_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.82834 1.82834 3.65669 7.31337 14.6267 29.2535 58.507 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.034 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5928 x 14.52 at 11.7 degrees (North through East) ! Clean map min=-0.0038325 max=0.034893 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1725+7726_X_2006_02_16_yyk\_map.gif/gif" ! Attempting to open device: 'J1725+7726_X_2006_02_16_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1725+7726_X_2006_02_16_yyk_uvs.log closed on Wed Jul 5 13:10:57 2006