! Started logfile: J1806+6949_X_2008_07_09_pus_uvs.log on Sun Oct 10 20:19:21 2010 obs J1806+6949_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J1806+6949_X_2008_07_09_pus_uva.fits ! AN table 1: 188 integrations on 105 of 105 possible baselines. ! AN table 2: 71 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.0972238 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1806+6949 ! ! 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1142 lines of history. ! ! Reading 10576 visibilities. select I ! Polarization I is unavailable. ! 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 = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 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 = 256x256 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 2294 telescope corrections were flagged in sub-array 1. ! A total of 803 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 2294 telescope corrections were flagged in sub-array 1. ! A total of 803 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 2294 telescope corrections were flagged in sub-array 1. ! A total of 803 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 2294 telescope corrections were flagged in sub-array 1. ! A total of 803 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.833494Jy sigma=0.005955 ! Fit after self-cal, rms=0.489688Jy sigma=0.003350 ! 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 ! Your choice of large map pixels excluded 12.1% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec ! Estimated beam: bmin=0.4918 mas, bmaj=0.7095 mas, bpa=39.37 degrees ! Estimated noise=1728.65 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) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.530136 Jy ! Component: 100 - total flux cleaned = 0.72929 Jy ! Total flux subtracted in 100 components = 0.72929 Jy ! Clean residual min=-0.034493 max=0.119607 Jy/beam ! Clean residual mean=0.001465 rms=0.013293 Jy/beam ! Combined flux in latest and established models = 0.72929 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.72929 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.333242Jy sigma=0.002265 ! Fit after self-cal, rms=0.331533Jy sigma=0.002256 ! Inverting map ! Your choice of large map pixels excluded 12.1% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec ! Added new window around map position (-0.8, -0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.123999 Jy ! Component: 100 - total flux cleaned = 0.1983 Jy ! Total flux subtracted in 100 components = 0.1983 Jy ! Clean residual min=-0.024508 max=0.058528 Jy/beam ! Clean residual mean=0.000884 rms=0.008120 Jy/beam ! Combined flux in latest and established models = 0.92759 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 14 components and 0.92759 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.272935Jy sigma=0.001689 ! Fit after self-cal, rms=0.269024Jy sigma=0.001662 ! Inverting map ! Your choice of large map pixels excluded 12.1% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0568974 Jy ! Component: 100 - total flux cleaned = 0.0909758 Jy ! Total flux subtracted in 100 components = 0.0909758 Jy ! Clean residual min=-0.019601 max=0.034899 Jy/beam ! Clean residual mean=0.000624 rms=0.005993 Jy/beam ! Combined flux in latest and established models = 1.01857 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 19 components and 1.01857 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.254484Jy sigma=0.001508 ! Fit after self-cal, rms=0.253293Jy sigma=0.001499 ! Inverting map ! Your choice of large map pixels excluded 12.1% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec 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 ! Your choice of large map pixels excluded 12.1% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec ! Estimated beam: bmin=0.5891 mas, bmaj=0.817 mas, bpa=37.83 degrees ! Estimated noise=1046 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 = 0.0396192 Jy ! Component: 100 - total flux cleaned = 0.0602973 Jy ! Component: 150 - total flux cleaned = 0.073285 Jy ! Component: 200 - total flux cleaned = 0.0816112 Jy ! Total flux subtracted in 200 components = 0.0816112 Jy ! Clean residual min=-0.015394 max=0.039983 Jy/beam ! Clean residual mean=0.001197 rms=0.006258 Jy/beam ! Combined flux in latest and established models = 1.10018 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 23 components and 1.10018 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.248366Jy sigma=0.001442 ! Fit after self-cal, rms=0.247746Jy sigma=0.001438 ! Inverting map ! Your choice of large map pixels excluded 12.1% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec ! Added new window around map position (-3, -0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0374007 Jy ! Component: 100 - total flux cleaned = 0.0570555 Jy ! Component: 150 - total flux cleaned = 0.0668335 Jy ! Component: 200 - total flux cleaned = 0.0719665 Jy ! Total flux subtracted in 200 components = 0.0719665 Jy ! Clean residual min=-0.017512 max=0.017674 Jy/beam ! Clean residual mean=0.000696 rms=0.004706 Jy/beam ! Combined flux in latest and established models = 1.17214 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 40 components and 1.17214 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.242811Jy sigma=0.001393 ! Fit after self-cal, rms=0.242198Jy sigma=0.001386 ! Inverting map ! Your choice of large map pixels excluded 12.1% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 57 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.00* HH 1.00* HN 1.11 ! KK 1.09 KP 1.00* LA 1.02 MK 0.98 ! NL 1.03 NY 1.01 ON 1.11 PT 1.00* ! SC 1.00* WZ 1.03 ZC 1.01 ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.88 FD 1.00 HH 1.00* HN 1.13 ! KK 1.00* KP 1.03 LA 0.96 MK 1.00* ! NL 0.91 NY 1.05 ON 0.79 PT 0.96 ! SC 0.98 WZ 1.05 ZC 0.99 ! ! ! Correcting IF 2. ! A total of 57 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00* HH 1.00* HN 1.05 ! KK 1.09 KP 1.00* LA 0.99 MK 0.96 ! NL 1.01 NY 1.03 ON 1.04 PT 1.00* ! SC 1.00* WZ 1.02 ZC 1.01 ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.97 HH 1.00* HN 1.05 ! KK 1.00* KP 0.99 LA 0.93 MK 1.00* ! NL 0.91 NY 1.09 ON 0.83 PT 0.96 ! SC 0.98 WZ 1.03 ZC 0.92 ! ! ! Correcting IF 3. ! A total of 57 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.00* HH 1.00* HN 1.03 ! KK 1.10 KP 1.00* LA 1.03 MK 0.97 ! NL 1.04 NY 0.99 ON 1.07 PT 1.00* ! SC 1.00* WZ 1.05 ZC 1.02 ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.98 HH 1.00* HN 1.03 ! KK 1.00* KP 1.00 LA 0.97 MK 1.00* ! NL 0.95 NY 1.08 ON 0.77 PT 0.97 ! SC 1.04 WZ 1.02 ZC 0.99 ! ! ! Correcting IF 4. ! A total of 57 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.00* HH 1.00* HN 1.00 ! KK 1.08 KP 1.00* LA 1.01 MK 1.03 ! NL 1.01 NY 1.07 ON 1.06 PT 1.00* ! SC 1.00* WZ 1.02 ZC 1.02 ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.98 HH 1.00* HN 1.04 ! KK 1.00* KP 1.02 LA 0.96 MK 1.00* ! NL 0.94 NY 1.10 ON 0.81 PT 1.00 ! SC 1.02 WZ 1.04 ZC 1.02 ! ! ! Fit before self-cal, rms=0.242198Jy sigma=0.001386 ! Fit after self-cal, rms=0.233501Jy sigma=0.001315 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec ! Estimated beam: bmin=0.5988 mas, bmaj=0.8173 mas, bpa=35.33 degrees ! Estimated noise=1057.85 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) ! Added new window around map position (-1.8, -0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00430564 Jy ! Component: 100 - total flux cleaned = 0.00433813 Jy ! Component: 150 - total flux cleaned = 0.00437374 Jy ! Component: 200 - total flux cleaned = 0.00494905 Jy ! Total flux subtracted in 200 components = 0.00494905 Jy ! Clean residual min=-0.006284 max=0.006296 Jy/beam ! Clean residual mean=0.000064 rms=0.001839 Jy/beam ! Combined flux in latest and established models = 1.17709 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 54 components and 1.17709 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232761Jy sigma=0.001307 ! Fit after self-cal, rms=0.232827Jy sigma=0.001306 ! Inverting map ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232827Jy sigma=0.001306 ! Fit after self-cal, rms=0.233334Jy sigma=0.001303 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec ! Estimated beam: bmin=0.5982 mas, bmaj=0.8184 mas, bpa=35.38 degrees ! Estimated noise=1053.89 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00279733 Jy ! Component: 100 - total flux cleaned = 0.00297268 Jy ! Component: 150 - total flux cleaned = 0.00337502 Jy ! Component: 200 - total flux cleaned = 0.00348756 Jy ! Total flux subtracted in 200 components = 0.00348756 Jy ! Clean residual min=-0.006054 max=0.005860 Jy/beam ! Clean residual mean=0.000085 rms=0.001603 Jy/beam ! Combined flux in latest and established models = 1.18058 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 60 components and 1.18058 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.233083Jy sigma=0.001300 ! Fit after self-cal, rms=0.233044Jy sigma=0.001300 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec 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 = 0.00117507 Jy ! Component: 100 - total flux cleaned = 0.00117027 Jy ! Component: 150 - total flux cleaned = 0.00116637 Jy ! Component: 200 - total flux cleaned = 0.00124909 Jy ! Total flux subtracted in 200 components = 0.00124909 Jy ! Clean residual min=-0.006011 max=0.005672 Jy/beam ! Clean residual mean=0.000075 rms=0.001556 Jy/beam ! Combined flux in latest and established models = 1.18183 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 62 components and 1.18183 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232968Jy sigma=0.001299 ! Fit after self-cal, rms=0.232954Jy sigma=0.001299 ! Inverting map ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232954Jy sigma=0.001299 ! Fit after self-cal, rms=0.232950Jy sigma=0.001299 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec ! Estimated beam: bmin=0.5979 mas, bmaj=0.8192 mas, bpa=35.35 degrees ! Estimated noise=1052.34 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000836654 Jy ! Component: 100 - total flux cleaned = 0.00123408 Jy ! Component: 150 - total flux cleaned = 0.00131343 Jy ! Component: 200 - total flux cleaned = 0.00131324 Jy ! Total flux subtracted in 200 components = 0.00131324 Jy ! Clean residual min=-0.005839 max=0.005353 Jy/beam ! Clean residual mean=0.000081 rms=0.001493 Jy/beam ! Combined flux in latest and established models = 1.18314 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 66 components and 1.18314 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232890Jy sigma=0.001298 ! Fit after self-cal, rms=0.232874Jy sigma=0.001298 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec 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 = 0.000442225 Jy ! Component: 100 - total flux cleaned = 0.000589832 Jy ! Component: 150 - total flux cleaned = 0.000653063 Jy ! Component: 200 - total flux cleaned = 0.000592086 Jy ! Total flux subtracted in 200 components = 0.000592086 Jy ! Clean residual min=-0.005810 max=0.005344 Jy/beam ! Clean residual mean=0.000076 rms=0.001474 Jy/beam ! Combined flux in latest and established models = 1.18373 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 71 components and 1.18373 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232852Jy sigma=0.001298 ! Fit after self-cal, rms=0.232844Jy sigma=0.001298 ! Inverting map ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232844Jy sigma=0.001298 ! Fit after self-cal, rms=0.232922Jy sigma=0.001298 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec ! Estimated beam: bmin=2.043 mas, bmaj=2.434 mas, bpa=-70 degrees ! Estimated noise=1696.34 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00105273 Jy ! Component: 100 - total flux cleaned = 0.00142002 Jy ! Component: 150 - total flux cleaned = 0.0013274 Jy ! Component: 200 - total flux cleaned = 0.00131964 Jy ! Total flux subtracted in 200 components = 0.00131964 Jy ! Clean residual min=-0.009450 max=0.009301 Jy/beam ! Clean residual mean=0.000291 rms=0.003173 Jy/beam ! Combined flux in latest and established models = 1.18505 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 77 components and 1.18505 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232944Jy sigma=0.001298 ! Fit after self-cal, rms=0.232940Jy sigma=0.001298 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec 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 = 0.000598096 Jy ! Component: 100 - total flux cleaned = 0.000743218 Jy ! Component: 150 - total flux cleaned = 0.00074497 Jy ! Component: 200 - total flux cleaned = 0.000792412 Jy ! Total flux subtracted in 200 components = 0.000792412 Jy ! Clean residual min=-0.009310 max=0.009693 Jy/beam ! Clean residual mean=0.000272 rms=0.003169 Jy/beam ! Combined flux in latest and established models = 1.18585 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 83 components and 1.18585 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232968Jy sigma=0.001298 ! Fit after self-cal, rms=0.232970Jy sigma=0.001298 ! Inverting map ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec ! Estimated beam: bmin=0.5978 mas, bmaj=0.8195 mas, bpa=35.33 degrees ! Estimated noise=1051.82 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5978 x 0.8195 at 35.33 degrees (North through East) ! Clean map min=-0.0045018 max=0.68893 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam 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) selfcal true, true end if ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232970Jy sigma=0.001298 ! Fit after self-cal, rms=1.478119Jy sigma=0.001124 ! Inverting map and beam ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec ! Estimated beam: bmin=0.5969 mas, bmaj=0.8176 mas, bpa=35.36 degrees ! Estimated noise=1049.61 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00165382 Jy ! Component: 100 - total flux cleaned = 0.00193584 Jy ! Component: 150 - total flux cleaned = 0.00209991 Jy ! Component: 200 - total flux cleaned = 0.00217482 Jy ! Total flux subtracted in 200 components = 0.00217482 Jy ! Clean residual min=-0.006008 max=0.005392 Jy/beam ! Clean residual mean=0.000055 rms=0.001404 Jy/beam ! Combined flux in latest and established models = 1.18802 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 87 components and 1.18802 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.478094Jy sigma=0.001123 ! Fit after self-cal, rms=1.478123Jy sigma=0.001123 ! Inverting map ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000295324 Jy ! Component: 100 - total flux cleaned = 0.000160343 Jy ! Component: 150 - total flux cleaned = 0.000160999 Jy ! Component: 200 - total flux cleaned = 0.000160174 Jy ! Total flux subtracted in 200 components = 0.000160174 Jy ! Clean residual min=-0.005878 max=0.005395 Jy/beam ! Clean residual mean=0.000053 rms=0.001390 Jy/beam ! Combined flux in latest and established models = 1.18818 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 90 components and 1.18818 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.478115Jy sigma=0.001122 ! Fit after self-cal, rms=1.478095Jy sigma=0.001122 ! Inverting map ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.478095Jy sigma=0.001122 ! Fit after self-cal, rms=1.656958Jy sigma=0.001122 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. 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. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec ! Estimated beam: bmin=0.4938 mas, bmaj=0.7153 mas, bpa=37.71 degrees ! Estimated noise=1737.63 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.533602 Jy ! Component: 100 - total flux cleaned = 0.747699 Jy ! Component: 150 - total flux cleaned = 0.872376 Jy ! Component: 200 - total flux cleaned = 0.949126 Jy ! Total flux subtracted in 200 components = 0.949126 Jy ! Clean residual min=-0.014225 max=0.040303 Jy/beam ! Clean residual mean=0.000726 rms=0.005893 Jy/beam ! Combined flux in latest and established models = 0.949126 Jy 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. flux_cutoff = imstat(rms) * dynam ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.949126 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec ! Estimated beam: bmin=0.5963 mas, bmaj=0.8174 mas, bpa=35.33 degrees ! Estimated noise=1049.91 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.069491 Jy ! Component: 100 - total flux cleaned = 0.114716 Jy ! Component: 150 - total flux cleaned = 0.145927 Jy ! Component: 200 - total flux cleaned = 0.168453 Jy ! Total flux subtracted in 200 components = 0.168453 Jy ! Clean residual min=-0.007796 max=0.012877 Jy/beam ! Clean residual mean=0.000633 rms=0.003023 Jy/beam ! Combined flux in latest and established models = 1.11758 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 33 components and 1.11758 Jy ! Inverting map ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0170783 Jy ! Component: 100 - total flux cleaned = 0.0303154 Jy ! Component: 150 - total flux cleaned = 0.0406264 Jy ! Component: 200 - total flux cleaned = 0.0486885 Jy ! Total flux subtracted in 200 components = 0.0486885 Jy ! Clean residual min=-0.006150 max=0.006459 Jy/beam ! Clean residual mean=0.000249 rms=0.001763 Jy/beam ! Combined flux in latest and established models = 1.16627 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 48 components and 1.16627 Jy ! Inverting map ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec ! Estimated beam: bmin=2.041 mas, bmaj=2.437 mas, bpa=-70.05 degrees ! Estimated noise=1703.09 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0144211 Jy ! Component: 100 - total flux cleaned = 0.0210584 Jy ! Component: 150 - total flux cleaned = 0.0231859 Jy ! Component: 200 - total flux cleaned = 0.0238088 Jy ! Total flux subtracted in 200 components = 0.0238088 Jy ! Clean residual min=-0.008692 max=0.009489 Jy/beam ! Clean residual mean=0.000268 rms=0.003110 Jy/beam ! Combined flux in latest and established models = 1.19008 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000481404 Jy ! Component: 100 - total flux cleaned = 0.000671346 Jy ! Component: 150 - total flux cleaned = 0.000728532 Jy ! Component: 200 - total flux cleaned = 0.000829557 Jy ! Total flux subtracted in 200 components = 0.000829557 Jy ! Clean residual min=-0.008788 max=0.009388 Jy/beam ! Clean residual mean=0.000244 rms=0.003060 Jy/beam ! Combined flux in latest and established models = 1.19091 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 74 components and 1.19091 Jy ! Inverting map ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec ! Estimated beam: bmin=0.5963 mas, bmaj=0.8174 mas, bpa=35.33 degrees ! Estimated noise=1049.91 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000267222 Jy ! Component: 100 - total flux cleaned = -3.94113e-07 Jy ! Component: 150 - total flux cleaned = -0.000100635 Jy ! Component: 200 - total flux cleaned = -2.71382e-06 Jy ! Total flux subtracted in 200 components = -2.71382e-06 Jy ! Clean residual min=-0.005851 max=0.005728 Jy/beam ! Clean residual mean=0.000060 rms=0.001463 Jy/beam ! Combined flux in latest and established models = 1.1909 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 78 components and 1.1909 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.657110Jy sigma=0.001137 ! Fit after self-cal, rms=1.657557Jy sigma=0.001134 wmodel J1806+6949_X_2008_07_09_pus_map.mod ! Writing 78 model components to file: J1806+6949_X_2008_07_09_pus_map.mod wobs J1806+6949_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J1806+6949_X_2008_07_09_pus_uvs.fits wwins J1806+6949_X_2008_07_09_pus_map.win ! wwins: Wrote 4 windows to J1806+6949_X_2008_07_09_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000475784 Jy ! Component: 100 - total flux cleaned = 0.00138032 Jy ! Component: 150 - total flux cleaned = 0.00204348 Jy ! Component: 200 - total flux cleaned = 0.00244393 Jy ! Component: 250 - total flux cleaned = 0.00275582 Jy ! Component: 300 - total flux cleaned = 0.003133 Jy ! Component: 350 - total flux cleaned = 0.00335436 Jy ! Component: 400 - total flux cleaned = 0.00371228 Jy ! Component: 450 - total flux cleaned = 0.00399082 Jy ! Component: 500 - total flux cleaned = 0.0041265 Jy ! Component: 550 - total flux cleaned = 0.00432789 Jy ! Component: 600 - total flux cleaned = 0.00452531 Jy ! Component: 650 - total flux cleaned = 0.004719 Jy ! Component: 700 - total flux cleaned = 0.00484614 Jy ! Component: 750 - total flux cleaned = 0.00503404 Jy ! Component: 800 - total flux cleaned = 0.00515609 Jy ! Component: 850 - total flux cleaned = 0.00515602 Jy ! Component: 900 - total flux cleaned = 0.00527596 Jy ! Component: 950 - total flux cleaned = 0.00551161 Jy ! Component: 1000 - total flux cleaned = 0.00562712 Jy ! Total flux subtracted in 1024 components = 0.00557052 Jy ! Clean residual min=-0.003247 max=0.003260 Jy/beam ! Clean residual mean=0.000001 rms=0.001082 Jy/beam ! Combined flux in latest and established models = 1.19647 Jy keep ! Adding 79 model components to the UV plane model. ! The established model now contains 157 components and 1.19647 Jy wmap "J1806+6949_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5963 x 0.8174 at 35.33 degrees (North through East) ! Clean map min=-0.0041736 max=0.68744 Jy/beam ! Writing clean map to FITS file: J1806+6949_X_2008_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.687444 invert ! Inverting map ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1635 milli-arcsec ! The y-axis pixel size should ideally be below 0.1582 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00107831 device "J1806+6949_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J1806+6949_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.470575 0.470575 0.94115 1.8823 3.7646 7.5292 15.0584 30.1168 60.2336 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0032 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.687 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5963 x 0.8174 at 35.33 degrees (North through East) ! Clean map min=-0.0041736 max=0.68744 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1806+6949_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J1806+6949_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1806+6949_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 20:19:24 2010