! Started logfile: .//J1710-0920_X_dfm.log on Wed Nov 16 12:02:50 2016 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 7.39200 obs .//J1710-0920_X_uva.fits ! Reading UV FITS file: .//J1710-0920_X_uva.fits ! AN table 1: 50 integrations on 6 of 6 possible baselines. ! AN table 2: 50 integrations on 1 of 1 possible baselines. ! Apparent sampling: 0.714286 visibilities/baseline/integration-bin. ! Found source: J1710-0920 ! ! 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 7.392e+09 3.2e+07 1 3.2e+07 ! 02 2 7.424e+09 3.2e+07 1 3.2e+07 ! 03 3 7.456e+09 3.2e+07 1 3.2e+07 ! 04 4 7.552e+09 3.2e+07 1 3.2e+07 ! 05 5 7.744e+09 3.2e+07 1 3.2e+07 ! 06 6 7.776e+09 3.2e+07 1 3.2e+07 ! 07 7 7.808e+09 3.2e+07 1 3.2e+07 ! 08 8 7.84e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): I ! ! Read 94 lines of history. ! ! Reading 2000 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Polarization RR is unavailable. ! Restricting channel ranges to the available 8 channels. ! Selecting polarization: I, 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 = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J1710-0920_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 50 telescope corrections were flagged in sub-array 1. ! A total of 100 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 50 telescope corrections were flagged in sub-array 1. ! A total of 100 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 50 telescope corrections were flagged in sub-array 1. ! A total of 100 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 50 telescope corrections were flagged in sub-array 1. ! A total of 100 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 50 telescope corrections were flagged in sub-array 1. ! A total of 100 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 50 telescope corrections were flagged in sub-array 1. ! A total of 100 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 50 telescope corrections were flagged in sub-array 1. ! A total of 100 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 50 telescope corrections were flagged in sub-array 1. ! A total of 100 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.001114Jy sigma=33.568215 ! Fit after self-cal, rms=0.986754Jy sigma=35.124515 ! 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=6.191 mas, bmaj=595.2 mas, bpa=-31.48 degrees ! Estimated noise=0.600919 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 = 0.0104269 Jy ! Component: 100 - total flux cleaned = 0.0127012 Jy ! Total flux subtracted in 100 components = 0.0127012 Jy ! Clean residual min=-0.000589 max=0.000639 Jy/beam ! Clean residual mean=0.000000 rms=0.000313 Jy/beam ! Combined flux in latest and established models = 0.0127012 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.0127012 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=0.015483Jy sigma=0.533979 ! Fit after self-cal, rms=0.013914Jy sigma=0.479673 ! Inverting map ! Added new window around map position (4, -6.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00159676 Jy ! Component: 100 - total flux cleaned = 0.00144487 Jy ! Total flux subtracted in 100 components = 0.00144487 Jy ! Clean residual min=-0.000408 max=0.000402 Jy/beam ! Clean residual mean=-0.000001 rms=0.000175 Jy/beam ! Combined flux in latest and established models = 0.014146 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 32 components and 0.014146 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=0.013674Jy sigma=0.470553 ! Fit after self-cal, rms=0.013659Jy sigma=0.470345 ! 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=5.995 mas, bmaj=589.6 mas, bpa=-31.64 degrees ! Estimated noise=0.577801 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 = -0.000365129 Jy ! Component: 100 - total flux cleaned = -0.000225559 Jy ! Component: 150 - total flux cleaned = -2.7461e-05 Jy ! Component: 200 - total flux cleaned = 0.000227856 Jy ! Total flux subtracted in 200 components = 0.000227856 Jy ! Clean residual min=-0.000330 max=0.000334 Jy/beam ! Clean residual mean=0.000001 rms=0.000142 Jy/beam ! Combined flux in latest and established models = 0.0143739 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 62 components and 0.0143739 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=0.013643Jy sigma=0.469611 ! Fit after self-cal, rms=0.013620Jy sigma=0.468895 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 5.995 x 589.6 at -31.64 degrees (North through East) ! Clean map min=-0.0010752 max=0.014273 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 150 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* ! ! Telescope amplitude corrections in sub-array 2: ! OV 0.00* SC 0.00* ! ! ! Correcting IF 2. ! A total of 150 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* ! ! Telescope amplitude corrections in sub-array 2: ! OV 0.00* SC 0.00* ! ! ! Correcting IF 3. ! A total of 150 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* ! ! Telescope amplitude corrections in sub-array 2: ! OV 0.00* SC 0.00* ! ! ! Correcting IF 4. ! A total of 150 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* ! ! Telescope amplitude corrections in sub-array 2: ! OV 0.00* SC 0.00* ! ! ! Correcting IF 5. ! A total of 150 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* ! ! Telescope amplitude corrections in sub-array 2: ! OV 0.00* SC 0.00* ! ! ! Correcting IF 6. ! A total of 150 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* ! ! Telescope amplitude corrections in sub-array 2: ! OV 0.00* SC 0.00* ! ! ! Correcting IF 7. ! A total of 150 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* ! ! Telescope amplitude corrections in sub-array 2: ! OV 0.00* SC 0.00* ! ! ! Correcting IF 8. ! A total of 150 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* ! ! Telescope amplitude corrections in sub-array 2: ! OV 0.00* SC 0.00* ! ! ! Fit before self-cal, rms=0.013620Jy sigma=0.468895 ! 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: /opt64/bin/pima_mupet_01.dfm] ! wmap .//J1710-0920_X_map.fits ! Inverting map and beam ! There are no unflagged visibilities to be inverted. ! Error occured in command: wmap ! wmodel .//J1710-0920_X_map.mod ! Writing 62 model components to file: .//J1710-0920_X_map.mod wobs .//J1710-0920_X_uvs.fits ! Writing UV FITS file: .//J1710-0920_X_uvs.fits wwins .//J1710-0920_X_map.win ! wwins: Wrote 1 windows to .//J1710-0920_X_map.win 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 .//J1710-0920_X_dfm.log closed on Wed Nov 16 12:02:51 2016