! Started logfile: J2301+8200_S_2006_02_14_yyk_uvs.log on Wed Jul 5 14:07:23 2006 obs J2301+8200_S_2006_02_14_yyk_uva.fits ! Reading UV FITS file: J2301+8200_S_2006_02_14_yyk_uva.fits ! AN table 1: 876 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.332141 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2301+8200 ! ! 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 2683 lines of history. ! ! Reading 52372 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 J2301+8200_S_2006_02_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 0.500x0.500 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)= 0.106815 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=7.877 mas, bmaj=22.31 mas, bpa=44.95 degrees ! Estimated noise=1.7635 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 = 0.0643707 Jy ! Component: 100 - total flux cleaned = 0.0879737 Jy ! Total flux subtracted in 100 components = 0.0879737 Jy ! Clean residual min=-0.007799 max=0.008461 Jy/beam ! Clean residual mean=0.000015 rms=0.003173 Jy/beam ! Combined flux in latest and established models = 0.0879737 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 0.0879737 Jy ! ! Correcting IF 1. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.062428Jy sigma=1.154332 ! Fit after self-cal, rms=0.062287Jy sigma=1.151604 ! Inverting map and beam ! Estimated beam: bmin=7.877 mas, bmaj=22.31 mas, bpa=44.95 degrees ! Estimated noise=1.7635 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=8.898 mas, bmaj=23.76 mas, bpa=43.3 degrees ! Estimated noise=1.14237 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 = 0.0118364 Jy ! Component: 100 - total flux cleaned = 0.0146527 Jy ! Component: 150 - total flux cleaned = 0.0158958 Jy ! Component: 200 - total flux cleaned = 0.0161198 Jy ! Total flux subtracted in 200 components = 0.0161198 Jy ! Clean residual min=-0.002895 max=0.002869 Jy/beam ! Clean residual mean=0.000020 rms=0.001365 Jy/beam ! Combined flux in latest and established models = 0.104093 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 109 model components to the UV plane model. ! The established model now contains 133 components and 0.104093 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.057793Jy sigma=1.063767 ! Fit after self-cal, rms=0.057718Jy sigma=1.062153 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 8.898 x 23.76 at 43.3 degrees (North through East) ! Clean map min=-0.0068077 max=0.078689 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: 1.0275 ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.89 HN 1.00* KP 0.97 ! LA 1.08 MK 1.00* NL 1.00* OV 0.93 ! PT 0.86 SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 0.999969 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.94 HN 1.00* KP 1.07 ! LA 1.07 MK 1.00* NL 1.00* OV 1.00 ! PT 0.91 SC 1.00* ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 0.966145 ! Telescope amplitude corrections in sub-array 1: ! BR 1.18 FD 1.01 HN 1.00* KP 0.99 ! LA 0.98 MK 1.00* NL 1.00* OV 1.05 ! PT 1.14 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=0.057718Jy sigma=1.062153 ! Fit after self-cal, rms=0.056960Jy sigma=1.047407 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=0.056960Jy sigma=1.047407 ! Fit after self-cal, rms=0.056943Jy sigma=1.046883 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=9.052 mas, bmaj=24.03 mas, bpa=42.26 degrees ! Estimated noise=1.13529 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 = 0.00193498 Jy ! Component: 100 - total flux cleaned = 0.00315195 Jy ! Component: 150 - total flux cleaned = 0.00407925 Jy ! Component: 200 - total flux cleaned = 0.00448737 Jy ! Total flux subtracted in 200 components = 0.00448737 Jy ! Clean residual min=-0.001230 max=0.001232 Jy/beam ! Clean residual mean=0.000019 rms=0.000604 Jy/beam ! Combined flux in latest and established models = 0.108581 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 61 model components to the UV plane model. ! The established model now contains 193 components and 0.108581 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.056490Jy sigma=1.037548 ! Fit after self-cal, rms=0.056465Jy sigma=1.037132 ! 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=0.056465Jy sigma=1.037132 ! Fit after self-cal, rms=0.052815Jy sigma=0.959155 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 = 0.00321264 Jy ! Component: 100 - total flux cleaned = 0.00402024 Jy ! Component: 150 - total flux cleaned = 0.00402463 Jy ! Component: 200 - total flux cleaned = 0.00395123 Jy ! Total flux subtracted in 200 components = 0.00395123 Jy ! Clean residual min=-0.000904 max=0.000896 Jy/beam ! Clean residual mean=0.000017 rms=0.000436 Jy/beam ! Combined flux in latest and established models = 0.112532 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 263 components and 0.112532 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052433Jy sigma=0.953270 ! Fit after self-cal, rms=0.052294Jy sigma=0.949221 ! 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: 9.052 x 24.03 at 42.26 degrees (North through East) ! Clean map min=-0.006732 max=0.079856 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=10.01 mas, bmaj=24.23 mas, bpa=40.37 degrees ! Estimated noise=1.15374 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 = -0.000231426 Jy ! Component: 100 - total flux cleaned = -0.000428126 Jy ! Component: 150 - total flux cleaned = -0.000613711 Jy ! Component: 200 - total flux cleaned = -0.000846353 Jy ! Total flux subtracted in 200 components = -0.000846353 Jy ! Clean residual min=-0.000733 max=0.000724 Jy/beam ! Clean residual mean=0.000026 rms=0.000335 Jy/beam ! Combined flux in latest and established models = 0.111686 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 54 model components to the UV plane model. ! The established model now contains 310 components and 0.111686 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052148Jy sigma=0.947103 ! Fit after self-cal, rms=0.052141Jy sigma=0.946737 ! 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=7.908 mas, bmaj=22.44 mas, bpa=44.66 degrees ! Estimated noise=1.75711 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0659302 Jy ! Component: 100 - total flux cleaned = 0.0898185 Jy ! Component: 150 - total flux cleaned = 0.100207 Jy ! Component: 200 - total flux cleaned = 0.105797 Jy ! Total flux subtracted in 200 components = 0.105797 Jy ! Clean residual min=-0.003931 max=0.003958 Jy/beam ! Clean residual mean=0.000009 rms=0.001740 Jy/beam ! Combined flux in latest and established models = 0.105797 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 0.105797 Jy ! Inverting map and beam ! Estimated beam: bmin=9.052 mas, bmaj=24.03 mas, bpa=42.26 degrees ! Estimated noise=1.13529 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 = 0.000351504 Jy ! Component: 100 - total flux cleaned = -0.000446356 Jy ! Component: 150 - total flux cleaned = -3.77185e-05 Jy ! Component: 200 - total flux cleaned = 0.000303662 Jy ! Total flux subtracted in 200 components = 0.000303662 Jy ! Clean residual min=-0.001855 max=0.001856 Jy/beam ! Clean residual mean=0.000022 rms=0.000880 Jy/beam ! Combined flux in latest and established models = 0.106101 Jy ! Adding 81 model components to the UV plane model. ! The established model now contains 150 components and 0.106101 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=10.01 mas, bmaj=24.23 mas, bpa=40.37 degrees ! Estimated noise=1.15374 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 = 0.000130386 Jy ! Component: 100 - total flux cleaned = 0.000127227 Jy ! Component: 150 - total flux cleaned = -6.67505e-05 Jy ! Component: 200 - total flux cleaned = -0.000230303 Jy ! Total flux subtracted in 200 components = -0.000230303 Jy ! Clean residual min=-0.001016 max=0.001033 Jy/beam ! Clean residual mean=0.000016 rms=0.000482 Jy/beam ! Combined flux in latest and established models = 0.105871 Jy ! Adding 71 model components to the UV plane model. ! The established model now contains 216 components and 0.105871 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=9.052 mas, bmaj=24.03 mas, bpa=42.26 degrees ! Estimated noise=1.13529 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 2.19042e-05 Jy ! Component: 100 - total flux cleaned = -0.000265474 Jy ! Component: 150 - total flux cleaned = -0.000334706 Jy ! Component: 200 - total flux cleaned = -0.000269713 Jy ! Total flux subtracted in 200 components = -0.000269713 Jy ! Clean residual min=-0.000776 max=0.000784 Jy/beam ! Clean residual mean=0.000004 rms=0.000360 Jy/beam ! Combined flux in latest and established models = 0.105601 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 55 model components to the UV plane model. ! The established model now contains 265 components and 0.105601 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052192Jy sigma=0.947805 ! Fit after self-cal, rms=0.052183Jy sigma=0.947677 wmodel J2301+8200_S_2006_02_14_yyk\_map.mod ! Writing 265 model components to file: J2301+8200_S_2006_02_14_yyk_map.mod wobs J2301+8200_S_2006_02_14_yyk\_uvs.fits ! Writing UV FITS file: J2301+8200_S_2006_02_14_yyk_uvs.fits wwins J2301+8200_S_2006_02_14_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J2301+8200_S_2006_02_14_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.052 x 24.03 at 42.26 degrees (North through East) ! Clean map min=-0.0070646 max=0.080096 Jy/beam ! Writing clean map to FITS file: J2301+8200_S_2006_02_14_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.080096 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000358949 device "J2301+8200_S_2006_02_14_yyk\_map.eps/VPS" ! Attempting to open device: 'J2301+8200_S_2006_02_14_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.34445 1.34445 2.68889 5.37778 10.7556 21.5111 43.0223 86.0445 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.001 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.08 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.052 x 24.03 at 42.26 degrees (North through East) ! Clean map min=-0.0070646 max=0.080096 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2301+8200_S_2006_02_14_yyk\_map.gif/gif" ! Attempting to open device: 'J2301+8200_S_2006_02_14_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J2301+8200_S_2006_02_14_yyk_uvs.log closed on Wed Jul 5 14:07:45 2006