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

Statwt Summary Plot

VLASS3.2.sb45486206.eb46169366.60475.03141015046_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 5.262 5.08/5.999 5.434 ± 0.7224
ea02 1342 1342/1342 1342 ± 0.00003081 5.296 4.812/6.116 5.324 ± 0.7468
ea03 1342 1342/1342 1342 ± 0.000003661 5.166 5.013/5.966 5.445 ± 0.6299
ea04 1342 1342/1342 1342 ± 0.0000364 4.937 4.701/5.605 4.995 ± 0.6026
ea05 1342 1342/1342 1342 ± 0.00003969 5.027 4.826/5.891 5.252 ± 0.711
ea06 1342 1342/1342 1342 ± 0.00001148 4.873 4.531/5.591 5.003 ± 0.5631
ea07 1342 1342/1342 1342 ± 0.0000306 4.793 4.582/5.761 5.058 ± 0.68
ea08 1342 1342/1342 1342 ± 0.00002464 5.296 4.998/6.342 5.507 ± 0.7327
ea09 1342 1342/1342 1342 ± 0.00003092 4.873 4.628/5.292 5.024 ± 0.5915
ea10 1342 1342/1342 1342 ± 0.00003096 2.779 2.718/3.055 2.864 ± 0.2186
ea11 1342 1342/1342 1342 ± 0.00004316 5.015 4.442/5.829 5.103 ± 0.7902
ea12 1342 1342/1342 1342 ± 0.00002836 4.928 4.695/5.618 5.003 ± 0.6131
ea14 1342 1342/1342 1342 ± 0.00003832 5.156 4.887/5.964 5.333 ± 0.6988
ea15 1342 1342/1342 1342 ± 0.00004119 5.296 5.17/6.294 5.495 ± 0.7958
ea16 1342 1342/1342 1342 ± 0.000009622 5.476 5.038/6.113 5.574 ± 0.6971
ea17 1342 1342/1342 1342 ± 0.00003162 5.372 4.944/6.243 5.52 ± 0.7797
ea18 1342 1342/1342 1342 ± 0.00002349 5.384 5.152/6.305 5.534 ± 0.71
ea19 1342 1342/1342 1342 ± 0.00001527 5.131 5.008/6.049 5.298 ± 0.7155
ea20 1342 1342/1342 1342 ± 0.0000148 5.575 5.371/6.555 5.861 ± 0.7383
ea21 1342 1342/1342 1342 ± 0.000003659 4.792 4.689/5.542 5.02 ± 0.5377
ea22 1342 1342/1342 1342 ± 0.0000278 5.278 4.806/6.106 5.34 ± 0.7008
ea23 1342 1342/1342 1342 ± 0.00003662 5.385 4.925/6.137 5.442 ± 0.7315
ea24 1342 1342/1342 1342 ± 0.000007092 4.941 4.811/5.922 5.274 ± 0.6179
ea25 1342 1342/1342 1342 ± 0.000006515 5.605 5.262/6.349 5.838 ± 0.7785
ea27 1342 1342/1342 1342 ± 0.000006748 5.083 4.837/5.885 5.201 ± 0.7426
ea28 1342 1342/1342 1342 ± 0.000009628 5.472 5.364/6.497 5.767 ± 0.7069
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 ± 0.00002364 4.935 4.736/5.088 4.858 ± 0.4955
5 1342 1342/1342 1342 ± 0.00002386 4.796 4.471/4.997 4.742 ± 0.5348
6 1342 1342/1342 1342 ± 0.00002405 5.014 4.702/5.236 4.905 ± 0.5129
7 1342 1342/1342 1342 ± 0.0000236 5.084 4.912/5.26 4.993 ± 0.5113
8 1342 1342/1342 1342 ± 0.0000236 5.024 4.787/5.17 4.933 ± 0.535
9 1342 1342/1342 1342 ± 0.0000236 5.293 5.088/5.49 5.208 ± 0.5488
10 1342 1342/1342 1342 ± 0.00002355 5.817 5.587/5.951 5.683 ± 0.5928
11 1342 1342/1342 1342 ± 0.00002355 6.113 5.762/6.242 5.959 ± 0.6269
12 1342 1342/1342 1342 ± 0.00002355 6.287 5.897/6.378 6.123 ± 0.6508
13 1342 1342/1342 1342 ± 0.00002355 6.344 6.076/6.656 6.319 ± 0.7496
14 1342 1342/1342 1342 ± 0.00002591 5.234 4.99/5.805 5.365 ± 0.8277
15 1342 1342/1342 1342 ± 0.00002357 5.884 5.342/6.306 5.735 ± 0.8083
16 1342 1342/1342 1342 ± 0.00005994 4.263 4.044/4.577 4.292 ± 0.5
17 1342 1342/1342 1342 ± 0.00006013 4.2 4.036/4.422 4.221 ± 0.3876
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
overwrite_modelcol
False
Start time
2025-07-23 07:06:34.358
End
2025-07-23 08:22:27.725
Duration
1:15:53.367
Note, WebLog generation is not included in the time.

CASA logs for stage 8