! Started logfile: /scr/pima/bp171a9_uvs/J0920+1753_C_uvs.log on Sat Dec 21 09:10:23 2013 obs /scr/pima/bp171a9_uvs/J0920+1753_C_uva.fits ! Reading UV FITS file: /scr/pima/bp171a9_uvs/J0920+1753_C_uva.fits ! AN table 1: 3 integrations on 6 of 6 possible baselines. ! Apparent sampling: 0.666667 visibilities/baseline/integration-bin. ! Found source: J0920+1753 ! ! 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 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 0 lines of history. ! ! Reading 96 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/bp171a9_uvs/J0920+1753_C] 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 0.300x0.300 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 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.000949Jy sigma=1.121060 ! Fit after self-cal, rms=0.985781Jy sigma=0.949277 ! 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=9.693 mas, bmaj=20.55 mas, bpa=7.41 degrees ! Estimated noise=125.811 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 = 0.0125487 Jy ! Component: 100 - total flux cleaned = 0.0117266 Jy ! Total flux subtracted in 100 components = 0.0117266 Jy ! Clean residual min=-0.002808 max=0.002785 Jy/beam ! Clean residual mean=-0.000020 rms=0.001653 Jy/beam ! Combined flux in latest and established models = 0.0117266 Jy ! Performing phase self-cal ! Adding 49 model components to the UV plane model. ! The established model now contains 49 components and 0.0117266 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=0.016669Jy sigma=0.014025 ! Fit after self-cal, rms=0.015231Jy sigma=0.013461 ! 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=9.589 mas, bmaj=19.76 mas, bpa=13.54 degrees ! Estimated noise=94.5021 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 = -0.00245603 Jy ! Component: 100 - total flux cleaned = -0.00234724 Jy ! Component: 150 - total flux cleaned = -0.00255033 Jy ! Component: 200 - total flux cleaned = -0.00282758 Jy ! Total flux subtracted in 200 components = -0.00282758 Jy ! Clean residual min=-0.000492 max=0.000488 Jy/beam ! Clean residual mean=0.000001 rms=0.000187 Jy/beam ! Combined flux in latest and established models = 0.00889899 Jy ! Performing phase self-cal ! Adding 104 model components to the UV plane model. ! The established model now contains 153 components and 0.00889898 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=0.015106Jy sigma=0.011980 ! Fit after self-cal, rms=0.014183Jy sigma=0.011351 ! Inverting map ! Added new window around map position (21.9, 44.1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000157007 Jy ! Component: 100 - total flux cleaned = 0.000425902 Jy ! Component: 150 - total flux cleaned = 0.000960401 Jy ! Component: 200 - total flux cleaned = 0.001345 Jy ! Total flux subtracted in 200 components = 0.001345 Jy ! Clean residual min=-0.001052 max=0.000885 Jy/beam ! Clean residual mean=0.000001 rms=0.000292 Jy/beam ! Combined flux in latest and established models = 0.010244 Jy ! Performing phase self-cal ! Adding 57 model components to the UV plane model. ! The established model now contains 210 components and 0.010244 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=0.013766Jy sigma=0.010746 ! Fit after self-cal, rms=0.012751Jy sigma=0.010331 ! Inverting map ! Added new window around map position (-1.5, 20.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00108613 Jy ! Component: 100 - total flux cleaned = 0.00117687 Jy ! Component: 150 - total flux cleaned = 0.00102557 Jy ! Component: 200 - total flux cleaned = 0.000760001 Jy ! Total flux subtracted in 200 components = 0.000760001 Jy ! Clean residual min=-0.000643 max=0.000636 Jy/beam ! Clean residual mean=0.000000 rms=0.000196 Jy/beam ! Combined flux in latest and established models = 0.011004 Jy ! Performing phase self-cal ! Adding 53 model components to the UV plane model. ! The established model now contains 263 components and 0.011004 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=0.012475Jy sigma=0.009964 ! Fit after self-cal, rms=0.011702Jy sigma=0.009735 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00120614 Jy ! Component: 100 - total flux cleaned = 0.00104284 Jy ! Component: 150 - total flux cleaned = 0.000850309 Jy ! Component: 200 - total flux cleaned = 0.000772842 Jy ! Total flux subtracted in 200 components = 0.000772842 Jy ! Clean residual min=-0.000628 max=0.000696 Jy/beam ! Clean residual mean=0.000000 rms=0.000194 Jy/beam ! Combined flux in latest and established models = 0.0117768 Jy ! Performing phase self-cal ! Adding 51 model components to the UV plane model. ! The established model now contains 313 components and 0.0117768 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=0.011600Jy sigma=0.009572 ! Fit after self-cal, rms=0.011251Jy sigma=0.009477 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.589 x 19.76 at 13.54 degrees (North through East) ! Clean map min=-0.0028553 max=0.010746 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 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.00* KP 0.00* LA 0.00* PT 0.00* ! ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.00* KP 0.00* LA 0.00* PT 0.00* ! ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.00* KP 0.00* LA 0.00* PT 0.00* ! ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.00* KP 0.00* LA 0.00* PT 0.00* ! ! ! Correcting IF 5. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.00* KP 0.00* LA 0.00* PT 0.00* ! ! ! Correcting IF 6. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.00* KP 0.00* LA 0.00* PT 0.00* ! ! ! Correcting IF 7. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.00* KP 0.00* LA 0.00* PT 0.00* ! ! ! Correcting IF 8. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.00* KP 0.00* LA 0.00* PT 0.00* ! ! ! Fit before self-cal, rms=0.011251Jy sigma=0.009477 ! 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/bp171a9_uvs/J0920+1753_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 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! Division by zero error. ! quit ! Quitting program ! Log file /scr/pima/bp171a9_uvs/J0920+1753_C_uvs.log closed on Sat Dec 21 09:10:24 2013