! Started logfile: J0010-3027_S_2002_01_31_yyk_uvs.log on Tue Jun 26 21:48:10 2007 obs J0010-3027_S_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J0010-3027_S_2002_01_31_yyk_uva.fits ! AN table 1: 68 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.0627451 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0010-3027 ! ! 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 2.22947e+09 8e+06 1 8e+06 ! 02 2 2.25947e+09 8e+06 1 8e+06 ! 03 3 2.34947e+09 8e+06 1 8e+06 ! 04 4 2.36947e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1225 lines of history. ! ! Reading 768 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 J0010-3027_S_2002_01_31_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. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.344147 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=2.241 mas, bmaj=14.13 mas, bpa=20.95 degrees ! Estimated noise=6961.64 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 = 0.00408263 Jy ! Component: 100 - total flux cleaned = -0.00268002 Jy ! Total flux subtracted in 100 components = -0.00268002 Jy ! Clean residual min=-0.020160 max=0.020419 Jy/beam ! Clean residual mean=-0.000046 rms=0.005356 Jy/beam ! Combined flux in latest and established models = -0.00268002 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 -0.00268002 Jy ! ! Correcting IF 1. ! A total of 536 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 680 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 494 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 680 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.338183Jy sigma=0.002073 ! Fit after self-cal, rms=0.341657Jy sigma=0.002150 ! Inverting map and beam ! Estimated beam: bmin=2.236 mas, bmaj=14.14 mas, bpa=20.92 degrees ! Estimated noise=7180.53 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=2.382 mas, bmaj=16.07 mas, bpa=19.22 degrees ! Estimated noise=6166.62 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 = -0.00372811 Jy ! Component: 100 - total flux cleaned = -0.00535375 Jy ! Component: 150 - total flux cleaned = -0.00802102 Jy ! Component: 200 - total flux cleaned = -0.0108203 Jy ! Total flux subtracted in 200 components = -0.0108203 Jy ! Clean residual min=-0.007386 max=0.007272 Jy/beam ! Clean residual mean=-0.000083 rms=0.002500 Jy/beam ! Combined flux in latest and established models = -0.0135004 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 39 model components to the UV plane model. ! The established model now contains 65 components and -0.0135004 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.341007Jy sigma=0.002145 ! Fit after self-cal, rms=0.340903Jy sigma=0.002144 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.382 x 16.07 at 19.22 degrees (North through East) ! Clean map min=-0.0255 max=0.016371 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 144 telescope corrections were flagged in sub-array 1. ! 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* MK 0.00* NL 0.00* OV 0.00* ! PT 0.00* SC 0.00* ! ! ! Correcting IF 2. ! 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* MK 0.00* NL 0.00* OV 0.00* ! PT 0.00* SC 0.00* ! ! ! Correcting IF 3. ! A total of 186 telescope corrections were flagged in sub-array 1. ! 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* MK 0.00* NL 0.00* OV 0.00* ! PT 0.00* SC 0.00* ! ! ! 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* MK 0.00* NL 0.00* OV 0.00* ! PT 0.00* SC 0.00* ! ! ! Fit before self-cal, rms=0.340903Jy sigma=0.002144 ! Fit after self-cal, rms=0.000000Jy sigma=nan 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=0.000000Jy sigma=nan ! Fit after self-cal, rms=0.000000Jy sigma=nan dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! There are no unflagged visibilities to be inverted. ! Error occurred in function: imstat(). ![Exited script file: muppet] ! wmap "J0010-3027_S_2002_01_31_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 "J0010-3027_S_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J0010-3027_S_2002_01_31_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 "J0010-3027_S_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J0010-3027_S_2002_01_31_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 J0010-3027_S_2002_01_31_yyk_uvs.log closed on Tue Jun 26 21:48:11 2007