! Started logfile: J0911+8607_S_2006_02_23_yyk_uvs.log on Wed Jul 5 11:50:40 2006 obs J0911+8607_S_2006_02_23_yyk_uva.fits ! Reading UV FITS file: J0911+8607_S_2006_02_23_yyk_uva.fits ! AN table 1: 875 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.22113 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0911+8607 ! ! 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2426 lines of history. ! ! Reading 34828 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 J0911+8607_S_2006_02_23_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. 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)= 0.0892599 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=11.2 mas, bmaj=50.64 mas, bpa=39.94 degrees ! Estimated noise=2.13752 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 = 0.0561754 Jy ! Component: 100 - total flux cleaned = 0.0607311 Jy ! Total flux subtracted in 100 components = 0.0607311 Jy ! Clean residual min=-0.005657 max=0.005710 Jy/beam ! Clean residual mean=-0.000107 rms=0.002535 Jy/beam ! Combined flux in latest and established models = 0.0607311 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 26 components and 0.0607311 Jy ! ! Correcting IF 1. ! A total of 80 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 80 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 80 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 80 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.058572Jy sigma=1.028476 ! Fit after self-cal, rms=0.058185Jy sigma=1.020460 ! Inverting map and beam ! Estimated beam: bmin=11.2 mas, bmaj=50.64 mas, bpa=39.94 degrees ! Estimated noise=2.13752 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=12.66 mas, bmaj=48.62 mas, bpa=39.39 degrees ! Estimated noise=1.46113 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 = -0.00286403 Jy ! Component: 100 - total flux cleaned = -0.00357814 Jy ! Component: 150 - total flux cleaned = -0.00311635 Jy ! Component: 200 - total flux cleaned = -0.00310967 Jy ! Total flux subtracted in 200 components = -0.00310967 Jy ! Clean residual min=-0.001433 max=0.001425 Jy/beam ! Clean residual mean=-0.000087 rms=0.000676 Jy/beam ! Combined flux in latest and established models = 0.0576214 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 93 model components to the UV plane model. ! The established model now contains 119 components and 0.0576214 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.057080Jy sigma=1.000514 ! Fit after self-cal, rms=0.057048Jy sigma=0.999993 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 12.66 x 48.62 at 39.39 degrees (North through East) ! Clean map min=-0.0070503 max=0.061894 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: 0.99548 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 HN 1.00* KP 1.11 ! LA 1.01 MK 1.00* NL 1.00* OV 0.99 ! PT 0.96 SC 1.00* ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 1.0064 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 HN 1.00* KP 0.93 ! LA 0.87 MK 1.00* NL 1.00* OV 1.01 ! PT 1.16 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=0.057048Jy sigma=0.999993 ! Fit after self-cal, rms=0.056523Jy sigma=0.996538 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=0.056523Jy sigma=0.996538 ! Fit after self-cal, rms=0.056510Jy sigma=0.996299 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=12.62 mas, bmaj=48.15 mas, bpa=39.3 degrees ! Estimated noise=1.45588 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 = -0.000918951 Jy ! Component: 100 - total flux cleaned = -0.0013254 Jy ! Component: 150 - total flux cleaned = -0.00145591 Jy ! Component: 200 - total flux cleaned = -0.00164984 Jy ! Total flux subtracted in 200 components = -0.00164984 Jy ! Clean residual min=-0.000822 max=0.000832 Jy/beam ! Clean residual mean=-0.000073 rms=0.000349 Jy/beam ! Combined flux in latest and established models = 0.0559716 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 55 model components to the UV plane model. ! The established model now contains 173 components and 0.0559716 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.056429Jy sigma=0.994753 ! Fit after self-cal, rms=0.056422Jy sigma=0.994601 ! 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=0.056422Jy sigma=0.994601 ! Fit after self-cal, rms=0.051417Jy sigma=0.899062 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 = 0.00316807 Jy ! Component: 100 - total flux cleaned = 0.00307824 Jy ! Component: 150 - total flux cleaned = 0.00257287 Jy ! Component: 200 - total flux cleaned = 0.00197737 Jy ! Total flux subtracted in 200 components = 0.00197737 Jy ! Clean residual min=-0.000469 max=0.000467 Jy/beam ! Clean residual mean=-0.000082 rms=0.000227 Jy/beam ! Combined flux in latest and established models = 0.0579489 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 95 model components to the UV plane model. ! The established model now contains 268 components and 0.0579489 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051039Jy sigma=0.894383 ! Fit after self-cal, rms=0.050778Jy sigma=0.889343 ! 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: 12.62 x 48.15 at 39.3 degrees (North through East) ! Clean map min=-0.0071428 max=0.063953 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=13.32 mas, bmaj=47.32 mas, bpa=38.97 degrees ! Estimated noise=1.46257 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 = -2.04315e-05 Jy ! Component: 100 - total flux cleaned = -0.000590872 Jy ! Component: 150 - total flux cleaned = -0.00112194 Jy ! Component: 200 - total flux cleaned = -0.00147184 Jy ! Total flux subtracted in 200 components = -0.00147184 Jy ! Clean residual min=-0.000389 max=0.000393 Jy/beam ! Clean residual mean=-0.000073 rms=0.000185 Jy/beam ! Combined flux in latest and established models = 0.0564771 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 82 model components to the UV plane model. ! The established model now contains 345 components and 0.0564771 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.050731Jy sigma=0.888638 ! Fit after self-cal, rms=0.050712Jy sigma=0.888154 ! 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=11.19 mas, bmaj=50.43 mas, bpa=39.89 degrees ! Estimated noise=2.12507 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0595445 Jy ! Component: 100 - total flux cleaned = 0.0632427 Jy ! Component: 150 - total flux cleaned = 0.0656337 Jy ! Component: 200 - total flux cleaned = 0.0641771 Jy ! Total flux subtracted in 200 components = 0.0641771 Jy ! Clean residual min=-0.003442 max=0.003434 Jy/beam ! Clean residual mean=-0.000150 rms=0.001496 Jy/beam ! Combined flux in latest and established models = 0.0641771 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 49 model components to the UV plane model. ! The established model now contains 49 components and 0.0641771 Jy ! Inverting map and beam ! Estimated beam: bmin=12.62 mas, bmaj=48.15 mas, bpa=39.3 degrees ! Estimated noise=1.45588 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 = -0.00288978 Jy ! Component: 100 - total flux cleaned = -0.00477612 Jy ! Component: 150 - total flux cleaned = -0.00439073 Jy ! Component: 200 - total flux cleaned = -0.00381829 Jy ! Total flux subtracted in 200 components = -0.00381829 Jy ! Clean residual min=-0.000920 max=0.000940 Jy/beam ! Clean residual mean=-0.000125 rms=0.000417 Jy/beam ! Combined flux in latest and established models = 0.0603588 Jy ! Adding 80 model components to the UV plane model. ! The established model now contains 129 components and 0.0603589 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=13.32 mas, bmaj=47.32 mas, bpa=38.97 degrees ! Estimated noise=1.46257 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 = 0.000400572 Jy ! Component: 100 - total flux cleaned = 3.84621e-05 Jy ! Component: 150 - total flux cleaned = -0.000421237 Jy ! Component: 200 - total flux cleaned = -0.000873695 Jy ! Total flux subtracted in 200 components = -0.000873695 Jy ! Clean residual min=-0.000518 max=0.000527 Jy/beam ! Clean residual mean=-0.000092 rms=0.000233 Jy/beam ! Combined flux in latest and established models = 0.0594852 Jy ! Adding 74 model components to the UV plane model. ! The established model now contains 201 components and 0.0594851 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=12.62 mas, bmaj=48.15 mas, bpa=39.3 degrees ! Estimated noise=1.45588 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000578919 Jy ! Component: 100 - total flux cleaned = -0.000994589 Jy ! Component: 150 - total flux cleaned = -0.00127915 Jy ! Component: 200 - total flux cleaned = -0.00148765 Jy ! Total flux subtracted in 200 components = -0.00148765 Jy ! Clean residual min=-0.000524 max=0.000529 Jy/beam ! Clean residual mean=-0.000070 rms=0.000224 Jy/beam ! Combined flux in latest and established models = 0.0579975 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 48 model components to the UV plane model. ! The established model now contains 248 components and 0.0579975 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.050733Jy sigma=0.888970 ! Fit after self-cal, rms=0.050734Jy sigma=0.888818 wmodel J0911+8607_S_2006_02_23_yyk\_map.mod ! Writing 248 model components to file: J0911+8607_S_2006_02_23_yyk_map.mod wobs J0911+8607_S_2006_02_23_yyk\_uvs.fits ! Writing UV FITS file: J0911+8607_S_2006_02_23_yyk_uvs.fits wwins J0911+8607_S_2006_02_23_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0911+8607_S_2006_02_23_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 12.62 x 48.15 at 39.3 degrees (North through East) ! Clean map min=-0.0064735 max=0.062101 Jy/beam ! Writing clean map to FITS file: J0911+8607_S_2006_02_23_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0621006 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000219369 device "J0911+8607_S_2006_02_23_yyk\_map.eps/VPS" ! Attempting to open device: 'J0911+8607_S_2006_02_23_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.05974 1.05974 2.11949 4.23898 8.47796 16.9559 33.9118 67.8237 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.062 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 12.62 x 48.15 at 39.3 degrees (North through East) ! Clean map min=-0.0064735 max=0.062101 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0911+8607_S_2006_02_23_yyk\_map.gif/gif" ! Attempting to open device: 'J0911+8607_S_2006_02_23_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0911+8607_S_2006_02_23_yyk_uvs.log closed on Wed Jul 5 11:51:04 2006