! Started logfile: /scr/pima/bp171a7_uvs/J0851-3315_C_uvs.log on Sun May 12 14:51:21 2013 obs /scr/pima/bp171a7_uvs/J0851-3315_C_uva.fits ! Reading UV FITS file: /scr/pima/bp171a7_uvs/J0851-3315_C_uva.fits ! AN table 1: 9 integrations on 6 of 6 possible baselines. ! Apparent sampling: 0.62963 visibilities/baseline/integration-bin. ! Found source: J0851-3315 ! ! 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 4.14397e+09 3.2e+07 1 3.2e+07 ! 02 2 4.17597e+09 3.2e+07 1 3.2e+07 ! 03 3 4.20797e+09 3.2e+07 1 3.2e+07 ! 04 4 4.23997e+09 3.2e+07 1 3.2e+07 ! 05 5 4.43197e+09 3.2e+07 1 3.2e+07 ! 06 6 4.52797e+09 3.2e+07 1 3.2e+07 ! 07 7 4.55997e+09 3.2e+07 1 3.2e+07 ! 08 8 4.59197e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 0 lines of history. ! ! Reading 272 visibilities. select RR ! 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 print "field_size =",field_size ! field_size = 1024 print "field_cell =",field_cell ! field_cell = 0.3 print "taper_size =",taper_size ! taper_size = 40 ![@/home/lpetrov/bin/01_muppet /scr/pima/bp171a7_uvs/J0851-3315_C] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.300x0.300 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.997160Jy sigma=0.704967 ! Fit after self-cal, rms=0.959207Jy sigma=0.678125 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. 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=14.34 mas, bmaj=58.66 mas, bpa=32.18 degrees ! Estimated noise=134.07 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0194142 Jy ! Component: 100 - total flux cleaned = 0.0160128 Jy ! Total flux subtracted in 100 components = 0.0160128 Jy ! Clean residual min=-0.007580 max=0.007241 Jy/beam ! Clean residual mean=-0.000246 rms=0.003416 Jy/beam ! Combined flux in latest and established models = 0.0160128 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 43 components and 0.0160128 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.028591Jy sigma=0.020204 ! Fit after self-cal, rms=0.028161Jy sigma=0.019900 ! Inverting map print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! 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=15.37 mas, bmaj=52.33 mas, bpa=28.45 degrees ! Estimated noise=72.184 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00722819 Jy ! Component: 100 - total flux cleaned = -0.00963664 Jy ! Component: 150 - total flux cleaned = -0.00967215 Jy ! Component: 200 - total flux cleaned = -0.0103757 Jy ! Total flux subtracted in 200 components = -0.0103757 Jy ! Clean residual min=-0.013039 max=0.012893 Jy/beam ! Clean residual mean=-0.000032 rms=0.003050 Jy/beam ! Combined flux in latest and established models = 0.00563711 Jy ! Performing phase self-cal ! Adding 53 model components to the UV plane model. ! The established model now contains 89 components and 0.00563711 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.026556Jy sigma=0.018770 ! Fit after self-cal, rms=0.024184Jy sigma=0.017093 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.00* LA 0.00* OV 0.00* PT 0.00* ! ! ! Correcting IF 2. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.00* LA 0.00* OV 0.00* PT 0.00* ! ! ! Correcting IF 3. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.00* LA 0.00* OV 0.00* PT 0.00* ! ! ! Correcting IF 4. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.00* LA 0.00* OV 0.00* PT 0.00* ! ! ! Correcting IF 5. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.00* LA 0.00* OV 0.00* PT 0.00* ! ! ! Correcting IF 6. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.00* LA 0.00* OV 0.00* PT 0.00* ! ! ! Correcting IF 7. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.00* LA 0.00* OV 0.00* PT 0.00* ! ! ! Correcting IF 8. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.00* LA 0.00* OV 0.00* PT 0.00* ! ! ! Fit before self-cal, rms=0.024184Jy sigma=0.017093 ! 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: /home/lpetrov/bin/01_muppet] ! wmap "/scr/pima/bp171a7_uvs/J0851-3315_C\_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 loglevs 100*3*image_rms/peak_flux ! Division by zero error. ! print "clev=",int(3*image_rms*10000)/10000 ! clev= 0 print "peak=",int(1000*peak_flux)/1000 ! peak= 0 quit ! Quitting program ! Log file /scr/pima/bp171a7_uvs/J0851-3315_C_uvs.log closed on Sun May 12 14:51:21 2013