Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 5.507 5.378/5.896 5.653 ± 0.4336
ea02 1342 1342/1342 1342 ± 0 5.886 5.458/6.295 5.924 ± 0.4981
ea04 1342 1342/1342 1342 ± 0 5.574 5.302/6.116 5.715 ± 0.4707
ea05 1342 1342/1342 1342 ± 0 5.869 5.438/6.188 5.838 ± 0.4899
ea06 1342 1342/1342 1342 ± 0 2.944 2.852/3.174 3.021 ± 0.1981
ea07 1342 1342/1342 1342 ± 0 5.618 5.485/5.798 5.644 ± 0.2067
ea08 1342 1342/1342 1342 ± 0 5.917 5.595/6.512 6.056 ± 0.5599
ea09 1342 1342/1342 1342 ± 0 5.075 4.873/5.475 5.193 ± 0.343
ea10 1342 1342/1342 1342 ± 0.00000122 5.609 5.384/6.287 5.796 ± 0.5215
ea11 1342 1342/1342 1342 ± 0 5.803 5.61/6.378 5.992 ± 0.4986
ea12 1342 1342/1342 1342 ± 0 5.977 5.511/6.349 6.02 ± 0.4976
ea13 1342 1342/1342 1342 ± 0 6.005 5.677/6.16 6.003 ± 0.4
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 5.087 4.86/5.197 5.076 ± 0.2985
ea17 1342 1342/1342 1342 ± 0.000008773 6.09 5.803/6.507 6.227 ± 0.5193
ea18 1342 1342/1342 1342 ± 0 5.21 4.978/5.702 5.322 ± 0.4061
ea19 1342 1342/1342 1342 ± 0 6.51 6.227/6.753 6.561 ± 0.3417
ea21 1342 1342/1342 1342 ± 0 5.718 5.449/6.247 5.869 ± 0.4914
ea22 1342 1342/1342 1342 ± 0 5.447 5.149/5.981 5.58 ± 0.4988
ea23 1342 1342/1342 1342 ± 0 6.002 5.551/6.432 6.045 ± 0.5586
ea25 1342 1342/1342 1342 ± 0.000002439 5.481 5.417/5.579 5.464 ± 0.1852
ea26 1342 1342/1342 1342 ± 0 6.133 5.61/6.561 6.079 ± 0.5186
ea27 1342 1342/1342 1342 ± 0.00000942 5.578 5.303/6.171 5.743 ± 0.5057
ea28 1342 1342/1342 1342 ± 0.00000122 5.675 5.519/6.338 5.881 ± 0.5366
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.000026 5.563 5.403/5.747 5.516 ± 0.3221
3 1342 1342/1342 1342 ± 0.00003279 5.202 5.004/5.561 5.29 ± 0.32
4 1342 1342/1342 1342 ± 0.000026 5.427 5.29/5.627 5.411 ± 0.3048
5 1342 1342/1342 1342 ± 0.000026 5.499 5.367/5.64 5.5 ± 0.2738
6 1342 1342/1342 1342 ± 0.000026 5.427 5.166/5.508 5.362 ± 0.25
7 1342 1342/1342 1342 ± 0.000026 5.428 5.303/5.531 5.395 ± 0.2205
8 1342 1342/1342 1342 ± 0.000026 5.418 5.139/5.501 5.341 ± 0.2864
9 1342 1342/1342 1342 ± 0.000026 5.675 5.319/5.861 5.586 ± 0.3505
10 1342 1342/1342 1342 ± 0.000026 6.016 5.799/6.114 5.796 ± 0.6461
11 1342 1342/1342 1342 ± 0.000026 6.219 5.892/6.366 5.958 ± 0.763
12 1342 1342/1342 1342 ± 0.000026 6.36 6.007/6.442 6.098 ± 0.7909
13 1342 1342/1342 1342 ± 0.000026 6.722 6.384/6.869 6.437 ± 0.8353
14 1342 1342/1342 1342 ± 0.000026 6.808 6.553/7.004 6.573 ± 0.8673
15 1342 1342/1342 1342 ± 0.000026 6.277 6.049/6.596 6.075 ± 0.831
16 1342 1342/1342 1342 ± 0.00002688 5.602 5.471/6.008 5.586 ± 0.7337
17 1342 1342/1342 1342 ± 0.00002619 5.691 5.563/6.127 5.622 ± 0.7248
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2024-03-29 07:01:47.182
End
2024-03-29 07:45:43.320
Duration
0:43:56.138
Note, WebLog generation is not included in the time.

CASA logs for stage 7