! Started logfile: J0020+5917_K_2006_10_20_yyk_uvs.log on Thu Jul 8 23:36:44 2010 obs J0020+5917_K_2006_10_20_yyk_uva.fits ! Reading UV FITS file: J0020+5917_K_2006_10_20_yyk_uva.fits ! AN table 1: 777 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.109738 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0020+5917 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.42136e+10 8e+06 1 8e+06 ! 02 2 2.42266e+10 8e+06 1 8e+06 ! 03 3 2.42656e+10 8e+06 1 8e+06 ! 04 4 2.43436e+10 8e+06 1 8e+06 ! 05 5 2.44866e+10 8e+06 1 8e+06 ! 06 6 2.45906e+10 8e+06 1 8e+06 ! 07 7 2.46556e+10 8e+06 1 8e+06 ! 08 8 2.46816e+10 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2241 lines of history. ! ! Reading 30696 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 ![@muppet J0020+5917_K_2006_10_20_yyk] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.04 float dynam dynam = 6.0 float amp_soltime1 amp_soltime1 = 3 float amp_soltime2 amp_soltime2 = 1 float phase_soltime1 phase_soltime1=3 float phase_soltime2 phase_soltime2=0.3 float phase_soltime phase_soltime=phase_soltime1 float ampcor_selflim ampcor_selflim=1.70 float thresh thresh = 0.10 float win_mult win_mult = 1.8 float time_av time_av = 10 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.0650x0.0650 milli-arcsec cellsize. uvav time_av, true ! Averaging into 10 second bins. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.479902 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=0.3461 mas, bmaj=0.999 mas, bpa=-8.762 degrees ! Estimated noise=22.9179 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 = 0.123543 Jy ! Component: 100 - total flux cleaned = 0.156667 Jy ! Total flux subtracted in 100 components = 0.156667 Jy ! Clean residual min=-0.046483 max=0.046090 Jy/beam ! Clean residual mean=-0.000028 rms=0.014560 Jy/beam ! Combined flux in latest and established models = 0.156667 Jy ! Performing phase self-cal over 3 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 21 components and 0.156667 Jy ! ! Correcting IF 1. ! A total of 110 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 110 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 110 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 110 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 110 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 110 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 110 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 110 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.379682Jy sigma=1.048887 ! Fit after self-cal, rms=0.000000Jy sigma=-nan ! Inverting map and beam ! There are no unflagged visibilities to be inverted. ! Error occurred in function: peak(). ![Exited script file: muppet] ! wmap "J0020+5917_K_2006_10_20_yyk\_map.fits" ! Inverting map and beam ! There are no unflagged visibilities to be inverted. ! Error occured in command: wmap ! float peak_flux peak_flux = peak(flux,max) ! Inverting map and beam ! There are no unflagged visibilities to be inverted. ! Error occurred in function: peak(). ! print "The peak flux is",peak_flux ! The peak flux is 0 invert ! Inverting map and beam ! There are no unflagged visibilities to be inverted. ! Error occured in command: invert ! float image_rms image_rms = imstat(rms) ! Inverting map and beam ! There are no unflagged visibilities to be inverted. ! Error occurred in function: imstat(). ! print "The final image rms is",image_rms ! The final image rms is 0 device "J0020+5917_K_2006_10_20_yyk\_map.eps/VPS" ! Attempting to open device: 'J0020+5917_K_2006_10_20_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! Division by zero error. ! print "clev=",int(3*image_rms*10000)/10000 ! clev= 0 print "peak=",int(peak_flux*1000)/1000 ! peak= 0 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! Inverting map and beam ! There are no unflagged visibilities to be inverted. ! Error occured in command: mapplot ! mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0020+5917_K_2006_10_20_yyk\_map.gif/gif" ! Attempting to open device: 'J0020+5917_K_2006_10_20_yyk_map.gif/gif' mapplot cln ! Inverting map and beam ! There are no unflagged visibilities to be inverted. ! Error occured in command: mapplot ! quit ! Quitting program ! Log file J0020+5917_K_2006_10_20_yyk_uvs.log closed on Thu Jul 8 23:36:44 2010