! Started logfile: /scr/pima/rv100_uvs/J0116-2052_X_uvs.log on Mon Feb 29 13:24:28 2016 obs /scr/pima/rv100_uvs/J0116-2052_X_uva.fits ! Reading UV FITS file: /scr/pima/rv100_uvs/J0116-2052_X_uva.fits ! AN table 1: 44 integrations on 6 of 6 possible baselines. ! Apparent sampling: 0.666667 visibilities/baseline/integration-bin. ! Found source: J0116-2052 ! ! 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 8.40599e+09 8e+06 1 8e+06 ! 02 2 8.47599e+09 8e+06 1 8e+06 ! 03 3 8.79099e+09 8e+06 1 8e+06 ! 04 4 8.89599e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 69 lines of history. ! ! Reading 704 visibilities. select rr, 1,2,3,4,6,7,8 ! Restricting channel ranges to the available 4 channels. ! 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 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/home/lpetrov/bin/01_muppet /scr/pima/rv100_uvs/J0116-2052_X] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 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 0.200x0.200 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 44 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 44 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 44 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 44 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.011745Jy sigma=17.638362 ! Fit after self-cal, rms=0.923991Jy sigma=16.549858 ! 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=5.755 mas, bmaj=116.3 mas, bpa=-28.24 degrees ! Estimated noise=2.23097 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 = 0.0339414 Jy ! Component: 100 - total flux cleaned = 0.0296752 Jy ! Total flux subtracted in 100 components = 0.0296752 Jy ! Clean residual min=-0.013091 max=0.012911 Jy/beam ! Clean residual mean=-0.000021 rms=0.006634 Jy/beam ! Combined flux in latest and established models = 0.0296752 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 48 components and 0.0296752 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.056879Jy sigma=1.041080 ! Fit after self-cal, rms=0.053702Jy sigma=0.976790 ! 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=5.936 mas, bmaj=119.7 mas, bpa=-28.88 degrees ! Estimated noise=1.82507 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 = -0.00791364 Jy ! Component: 100 - total flux cleaned = -0.00755586 Jy ! Component: 150 - total flux cleaned = -0.0132391 Jy ! Component: 200 - total flux cleaned = -0.0140321 Jy ! Total flux subtracted in 200 components = -0.0140321 Jy ! Clean residual min=-0.006037 max=0.005997 Jy/beam ! Clean residual mean=-0.000003 rms=0.002770 Jy/beam ! Combined flux in latest and established models = 0.0156431 Jy ! Performing phase self-cal ! Adding 77 model components to the UV plane model. ! The established model now contains 122 components and 0.0156431 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.044723Jy sigma=0.763060 ! Fit after self-cal, rms=0.042379Jy sigma=0.725072 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 5.936 x 119.7 at -28.88 degrees (North through East) ! Clean map min=-0.031394 max=0.052686 Jy/beam if ( peak(flux,max)/imstat(rms) < lim_self ) selflim lim_val ! Selfcal amplitude corrections will be limited to 0.833333 -> 1.2. ! Selfcal phase corrections will not be limited. gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 132 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! KP 0.00* LA 0.00* OV 0.00* PT 0.00* ! ! ! Correcting IF 2. ! A total of 132 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! KP 0.00* LA 0.00* OV 0.00* PT 0.00* ! ! ! Correcting IF 3. ! A total of 132 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! KP 0.00* LA 0.00* OV 0.00* PT 0.00* ! ! ! Correcting IF 4. ! A total of 132 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! KP 0.00* LA 0.00* OV 0.00* PT 0.00* ! ! ! Fit before self-cal, rms=0.042379Jy sigma=0.725072 ! 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/rv100_uvs/J0116-2052_X\_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 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! Division by zero error. ! quit ! Quitting program ! Log file /scr/pima/rv100_uvs/J0116-2052_X_uvs.log closed on Mon Feb 29 13:24:29 2016