! Started logfile: /g0/scr/pima/npcsa_uvs/J1023+8032_X_uvs.log on Sun Oct 6 10:27:39 2013 obs /g0/scr/pima/npcsa_uvs/J1023+8032_X_uva.fits ! Reading UV FITS file: /g0/scr/pima/npcsa_uvs/J1023+8032_X_uva.fits ! AN table 1: 55 integrations on 6 of 6 possible baselines. ! AN table 2: 55 integrations on 1 of 1 possible baselines. ! Apparent sampling: 0.714286 visibilities/baseline/integration-bin. ! Found source: J1023+8032 ! ! 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 0 lines of history. ! ! Reading 1100 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 = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@/home/lpetrov/bin/01_muppet /g0/scr/pima/npcsa_uvs/J1023+8032_X] 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 55 telescope corrections were flagged in sub-array 1. ! A total of 110 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 55 telescope corrections were flagged in sub-array 1. ! A total of 110 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 55 telescope corrections were flagged in sub-array 1. ! A total of 110 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 55 telescope corrections were flagged in sub-array 1. ! A total of 110 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.001629Jy sigma=0.718522 ! Fit after self-cal, rms=0.934765Jy sigma=0.642017 ! 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=1.633 mas, bmaj=157.9 mas, bpa=-21.81 degrees ! Estimated noise=62.1177 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 = 0.0718098 Jy ! Component: 100 - total flux cleaned = 0.0887604 Jy ! Total flux subtracted in 100 components = 0.0887604 Jy ! Clean residual min=-0.006400 max=0.006592 Jy/beam ! Clean residual mean=0.000003 rms=0.002901 Jy/beam ! Combined flux in latest and established models = 0.0887604 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 20 components and 0.0887604 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.064501Jy sigma=0.044349 ! Fit after self-cal, rms=0.063890Jy sigma=0.044114 ! 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=1.791 mas, bmaj=191.9 mas, bpa=-21.9 degrees ! Estimated noise=43.2726 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 = -0.00420267 Jy ! Component: 100 - total flux cleaned = -0.00280655 Jy ! Component: 150 - total flux cleaned = -0.00180812 Jy ! Component: 200 - total flux cleaned = -0.00162275 Jy ! Total flux subtracted in 200 components = -0.00162275 Jy ! Clean residual min=-0.003021 max=0.003004 Jy/beam ! Clean residual mean=0.000003 rms=0.001218 Jy/beam ! Combined flux in latest and established models = 0.0871376 Jy ! Performing phase self-cal ! Adding 59 model components to the UV plane model. ! The established model now contains 79 components and 0.0871376 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.064694Jy sigma=0.041680 ! Fit after self-cal, rms=0.064541Jy sigma=0.041622 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 165 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! KP 0.00* LA 0.00* NL 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.00* OV 0.00* ! ! ! Correcting IF 2. ! A total of 165 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! KP 0.00* LA 0.00* NL 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.00* OV 0.00* ! ! ! Correcting IF 3. ! A total of 165 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! KP 0.00* LA 0.00* NL 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.00* OV 0.00* ! ! ! Correcting IF 4. ! A total of 165 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! KP 0.00* LA 0.00* NL 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.00* OV 0.00* ! ! ! Fit before self-cal, rms=0.064541Jy sigma=0.041622 ! 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/npcsa_uvs/J1023+8032_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 quit ! Quitting program ! Log file /g0/scr/pima/npcsa_uvs/J1023+8032_X_uvs.log closed on Sun Oct 6 10:27:39 2013