! Started logfile: /scr/pima/bg219e_uvs/J0536+0944_S_uvs.log on Thu Apr 7 06:36:57 2016 obs /scr/pima/bg219e_uvs/J0536+0944_S_uva.fits ! Reading UV FITS file: /scr/pima/bg219e_uvs/J0536+0944_S_uva.fits ! AN table 1: 62 integrations on 3 of 3 possible baselines. ! Apparent sampling: 0.973118 visibilities/baseline/integration-bin. ! Found source: J0536+0944 ! ! 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 2.22e+09 3.2e+07 1 3.2e+07 ! 02 2 2.252e+09 3.2e+07 1 3.2e+07 ! 03 3 2.284e+09 3.2e+07 1 3.2e+07 ! 04 4 2.348e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 54 lines of history. ! ! Reading 724 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 = 0.5 print "taper_size =", taper_size ! taper_size = 20 ![@/home/lpetrov/bin/01_muppet /scr/pima/bg219e_uvs/J0536+0944_S] 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 0.500x0.500 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 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.976447Jy sigma=22.823094 ! Fit after self-cal, rms=0.874147Jy sigma=20.580105 ! 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=25.74 mas, bmaj=128.9 mas, bpa=-42.09 degrees ! Estimated noise=1.38786 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 = 0.097705 Jy ! Component: 100 - total flux cleaned = 0.117014 Jy ! Total flux subtracted in 100 components = 0.117014 Jy ! Clean residual min=-0.021814 max=0.022777 Jy/beam ! Clean residual mean=-0.000199 rms=0.011373 Jy/beam ! Combined flux in latest and established models = 0.117014 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 42 components and 0.117014 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.061639Jy sigma=1.391676 ! Fit after self-cal, rms=0.061339Jy sigma=1.380364 ! 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=24.05 mas, bmaj=121.6 mas, bpa=-40.56 degrees ! Estimated noise=1.24225 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 = -0.0179167 Jy ! Component: 100 - total flux cleaned = -0.00610753 Jy ! Component: 150 - total flux cleaned = 0.00245757 Jy ! Component: 200 - total flux cleaned = 0.00686429 Jy ! Total flux subtracted in 200 components = 0.00686429 Jy ! Clean residual min=-0.004745 max=0.004755 Jy/beam ! Clean residual mean=0.000023 rms=0.002010 Jy/beam ! Combined flux in latest and established models = 0.123878 Jy ! Performing phase self-cal ! Adding 74 model components to the UV plane model. ! The established model now contains 116 components and 0.123878 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051472Jy sigma=1.162956 ! Fit after self-cal, rms=0.051184Jy sigma=1.151253 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 24.05 x 121.6 at -40.56 degrees (North through East) ! Clean map min=-0.025309 max=0.1141 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 153 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! KP 0.00* LA 0.00* PT 0.00* ! ! ! Correcting IF 2. ! A total of 153 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! KP 0.00* LA 0.00* PT 0.00* ! ! ! Correcting IF 3. ! A total of 153 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! KP 0.00* LA 0.00* PT 0.00* ! ! ! Correcting IF 4. ! A total of 153 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! KP 0.00* LA 0.00* PT 0.00* ! ! ! Fit before self-cal, rms=0.051184Jy sigma=1.151253 ! 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/bg219e_uvs/J0536+0944_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 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! Division by zero error. ! quit ! Quitting program ! Log file /scr/pima/bg219e_uvs/J0536+0944_S_uvs.log closed on Thu Apr 7 06:36:58 2016