! Started logfile: /g0/scr/pima/npcsb_uvs/J1300+8054_S_uvs.log on Wed Sep 25 00:11:25 2013 obs /g0/scr/pima/npcsb_uvs/J1300+8054_S_uva.fits ! Reading UV FITS file: /g0/scr/pima/npcsb_uvs/J1300+8054_S_uva.fits ! AN table 1: 46 integrations on 3 of 3 possible baselines. ! AN table 2: 46 integrations on 1 of 1 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1300+8054 ! ! 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 2.23693e+09 8e+06 1 8e+06 ! 02 2 2.26693e+09 8e+06 1 8e+06 ! 03 3 2.35693e+09 8e+06 1 8e+06 ! 04 4 2.37693e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 0 lines of history. ! ! Reading 736 visibilities. select RR ! 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 = 0.5 print "taper_size =",taper_size ! taper_size = 20 ![@/home/lpetrov/bin/01_muppet /g0/scr/pima/npcsb_uvs/J1300+8054_S] 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 0.500x0.500 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 92 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 92 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 92 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 92 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.970405Jy sigma=2.106304 ! Fit after self-cal, rms=0.925330Jy sigma=1.996885 ! 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=23.43 mas, bmaj=78.23 mas, bpa=42.68 degrees ! Estimated noise=20.0676 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 = 0.0553316 Jy ! Component: 100 - total flux cleaned = 0.0628323 Jy ! Total flux subtracted in 100 components = 0.0628323 Jy ! Clean residual min=-0.005616 max=0.005685 Jy/beam ! Clean residual mean=-0.000001 rms=0.002874 Jy/beam ! Combined flux in latest and established models = 0.0628322 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 16 components and 0.0628322 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.071129Jy sigma=0.132750 ! Fit after self-cal, rms=0.070832Jy sigma=0.132531 ! 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=25.19 mas, bmaj=67.77 mas, bpa=45.93 degrees ! Estimated noise=14.5416 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 = 0.0023608 Jy ! Component: 100 - total flux cleaned = 0.00622946 Jy ! Component: 150 - total flux cleaned = 0.00932651 Jy ! Component: 200 - total flux cleaned = 0.0101815 Jy ! Total flux subtracted in 200 components = 0.0101815 Jy ! Clean residual min=-0.002083 max=0.002198 Jy/beam ! Clean residual mean=0.000016 rms=0.000770 Jy/beam ! Combined flux in latest and established models = 0.0730138 Jy ! Performing phase self-cal ! Adding 81 model components to the UV plane model. ! The established model now contains 96 components and 0.0730138 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.069574Jy sigma=0.130839 ! Fit after self-cal, rms=0.069122Jy sigma=0.130700 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 138 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.00* LA 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! KP 0.00* OV 0.00* ! ! ! Correcting IF 2. ! A total of 138 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.00* LA 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! KP 0.00* OV 0.00* ! ! ! Correcting IF 3. ! A total of 138 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.00* LA 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! KP 0.00* OV 0.00* ! ! ! Correcting IF 4. ! A total of 138 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.00* LA 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! KP 0.00* OV 0.00* ! ! ! Fit before self-cal, rms=0.069122Jy sigma=0.130700 ! 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 "/g0/scr/pima/npcsb_uvs/J1300+8054_S\_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 /g0/scr/pima/npcsb_uvs/J1300+8054_S_uvs.log closed on Wed Sep 25 00:11:25 2013