! Started logfile: /scr/pima/rv100_uvs/J2347-5110_X_uvs.log on Mon Feb 29 13:30:34 2016 obs /scr/pima/rv100_uvs/J2347-5110_X_uva.fits ! Reading UV FITS file: /scr/pima/rv100_uvs/J2347-5110_X_uva.fits ! AN table 1: 6 integrations on 3 of 3 possible baselines. ! Apparent sampling: 0.722222 visibilities/baseline/integration-bin. ! Found source: J2347-5110 ! ! 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 52 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/J2347-5110_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 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. ! ! Fit before self-cal, rms=0.957909Jy sigma=4.596459 ! Fit after self-cal, rms=0.793770Jy sigma=3.732022 ! 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=0.6121 mas, bmaj=41.39 mas, bpa=-20.61 degrees ! Estimated noise=36.5261 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 = 0.148326 Jy ! Component: 100 - total flux cleaned = 0.138324 Jy ! Total flux subtracted in 100 components = 0.138324 Jy ! Clean residual min=-0.032338 max=0.031684 Jy/beam ! Clean residual mean=0.001150 rms=0.014978 Jy/beam ! Combined flux in latest and established models = 0.138323 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 23 components and 0.138323 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.080752Jy sigma=0.325755 ! Fit after self-cal, rms=0.080053Jy sigma=0.324122 ! 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=0.652 mas, bmaj=38.44 mas, bpa=-20.71 degrees ! Estimated noise=31.98 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 = -0.0042681 Jy ! Component: 100 - total flux cleaned = -0.0011224 Jy ! Component: 150 - total flux cleaned = 0.000417579 Jy ! Component: 200 - total flux cleaned = 0.0026039 Jy ! Total flux subtracted in 200 components = 0.0026039 Jy ! Clean residual min=-0.011326 max=0.011531 Jy/beam ! Clean residual mean=-0.000093 rms=0.003911 Jy/beam ! Combined flux in latest and established models = 0.140927 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 60 components and 0.140927 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.057804Jy sigma=0.235251 ! Fit after self-cal, rms=0.057168Jy sigma=0.232762 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.652 x 38.44 at -20.71 degrees (North through East) ! Clean map min=-0.01564 max=0.1377 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 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! KP 0.00* MK 0.00* PT 0.00* ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! KP 0.00* MK 0.00* PT 0.00* ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! KP 0.00* MK 0.00* PT 0.00* ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! KP 0.00* MK 0.00* PT 0.00* ! ! ! Fit before self-cal, rms=0.057168Jy sigma=0.232762 ! 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/J2347-5110_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/J2347-5110_X_uvs.log closed on Mon Feb 29 13:30:34 2016