! Started logfile: /scr/pima/br145ag_uvs/J0541+2530_X_uvs.log on Mon Feb 15 22:23:32 2016 obs /scr/pima/br145ag_uvs/J0541+2530_X_uva.fits ! Reading UV FITS file: /scr/pima/br145ag_uvs/J0541+2530_X_uva.fits ! AN table 1: 5 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.333333 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0541+2530 ! ! 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 8.10949e+09 1.28e+08 1 1.28e+08 ! 02 2 8.12349e+09 1.28e+08 1 1.28e+08 ! 03 3 8.16549e+09 1.28e+08 1 1.28e+08 ! 04 4 8.23549e+09 1.28e+08 1 1.28e+08 ! 05 5 8.31949e+09 1.28e+08 1 1.28e+08 ! 06 6 8.41749e+09 1.28e+08 1 1.28e+08 ! 07 7 8.55649e+09 1.28e+08 1 1.28e+08 ! 08 8 8.58349e+09 1.28e+08 1 1.28e+08 ! ! Polarization(s): RR ! ! Read 0 lines of history. ! ! Reading 280 visibilities. select rr, 1,2,3,4,6,7,8 ! Selecting polarization: RR, channels: 1..4 6..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: (none) ! 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 = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/home/lpetrov/bin/01_muppet /scr/pima/br145ag_uvs/J0541+2530_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 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Not correcting unselected IF 5. ! ! Correcting IF 6. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 35 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.999555Jy sigma=39.534511 ! Fit after self-cal, rms=0.985861Jy sigma=45.091075 ! 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=1.489 mas, bmaj=2.319 mas, bpa=48.82 degrees ! Estimated noise=2.2006 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 = 0.0107009 Jy ! Component: 100 - total flux cleaned = 0.0102842 Jy ! Total flux subtracted in 100 components = 0.0102842 Jy ! Clean residual min=-0.001620 max=0.001600 Jy/beam ! Clean residual mean=0.000000 rms=0.000648 Jy/beam ! Combined flux in latest and established models = 0.0102842 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 0.0102842 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Not correcting unselected IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.013771Jy sigma=0.602318 ! Fit after self-cal, rms=0.012336Jy sigma=0.527231 ! 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=1.507 mas, bmaj=2.277 mas, bpa=36.51 degrees ! Estimated noise=1.64963 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 = -0.00114512 Jy ! Component: 100 - total flux cleaned = -0.00173905 Jy ! Component: 150 - total flux cleaned = -0.00233261 Jy ! Component: 200 - total flux cleaned = -0.00271515 Jy ! Total flux subtracted in 200 components = -0.00271515 Jy ! Clean residual min=-0.000656 max=0.000647 Jy/beam ! Clean residual mean=-0.000000 rms=0.000231 Jy/beam ! Combined flux in latest and established models = 0.00756905 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 50 components and 0.00756905 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Not correcting unselected IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.011651Jy sigma=0.497014 ! Fit after self-cal, rms=0.011559Jy sigma=0.493616 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.507 x 2.277 at 36.51 degrees (North through East) ! Clean map min=-0.0019702 max=0.0063496 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 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* LA 0.00* MK 0.00* ! NL 0.00* PT 0.00* SC 0.00* ! ! ! Correcting IF 2. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* LA 0.00* MK 0.00* ! NL 0.00* PT 0.00* SC 0.00* ! ! ! Correcting IF 3. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* LA 0.00* MK 0.00* ! NL 0.00* PT 0.00* SC 0.00* ! ! ! Correcting IF 4. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* LA 0.00* MK 0.00* ! NL 0.00* PT 0.00* SC 0.00* ! ! ! Not correcting unselected IF 5. ! ! Correcting IF 6. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* LA 0.00* MK 0.00* ! NL 0.00* PT 0.00* SC 0.00* ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* LA 0.00* MK 0.00* ! NL 0.00* PT 0.00* SC 0.00* ! ! ! Correcting IF 8. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* LA 0.00* MK 0.00* ! NL 0.00* PT 0.00* SC 0.00* ! ! ! Fit before self-cal, rms=0.011559Jy sigma=0.493616 ! 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/br145ag_uvs/J0541+2530_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/br145ag_uvs/J0541+2530_X_uvs.log closed on Mon Feb 15 22:23:32 2016