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

Statwt Summary Plot

VLASS3.2.sb45665927.eb46086746.60447.529309328704_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 6.259 5.524/6.647 6.172 ± 0.6777
ea02 1342 1342/1342 1342 ± 0 6.362 5.614/6.602 6.266 ± 0.6658
ea03 1342 1342/1342 1342 ± 0 6.37 5.49/6.969 6.329 ± 0.7923
ea04 1342 1342/1342 1342 ± 0 5.708 5.117/6.157 5.708 ± 0.6478
ea05 1342 1342/1342 1342 ± 0 6.166 5.308/6.807 6.053 ± 0.7216
ea06 1342 1342/1342 1342 ± 0 6.319 5.247/6.485 6.002 ± 0.7077
ea07 1342 1342/1342 1342 ± 0 6.23 5.236/6.536 6.039 ± 0.7763
ea08 1342 1342/1342 1342 ± 0 6.635 5.651/6.901 6.426 ± 0.718
ea09 1342 1342/1342 1342 ± 0 5.752 5.096/6.474 5.797 ± 0.7221
ea10 1342 1342/1342 1342 ± 0 5.916 5.178/6.306 5.788 ± 0.6449
ea11 1342 1342/1342 1342 ± 0 5.813 5.356/6.587 5.929 ± 0.7384
ea12 1342 1342/1342 1342 ± 0 5.893 5.331/6.46 5.931 ± 0.6323
ea13 1342 1342/1342 1342 ± 0 6.081 5.412/6.336 5.982 ± 0.5635
ea14 1342 1342/1342 1342 ± 0 6.256 5.529/6.587 6.148 ± 0.6458
ea15 1342 1342/1342 1342 ± 0 6.229 5.519/6.625 6.118 ± 0.7391
ea16 1342 1342/1342 1342 ± 0 6.407 5.782/6.847 6.394 ± 0.7203
ea17 1342 1342/1342 1342 ± 0 6.284 5.746/7.178 6.427 ± 0.7613
ea18 1342 1342/1342 1342 ± 0 6.514 5.785/7.166 6.437 ± 0.7423
ea19 1342 1342/1342 1342 ± 0 6.242 5.456/6.706 6.164 ± 0.6766
ea20 1342 1342/1342 1342 ± 0 6.534 5.793/7.186 6.477 ± 0.7358
ea21 1342 1342/1342 1342 ± 0 5.653 5.238/6.129 5.704 ± 0.5556
ea22 1342 1342/1342 1342 ± 0 6.292 5.507/6.622 6.107 ± 0.6773
ea23 1342 1342/1342 1342 ± 0 6.214 5.36/6.394 6.062 ± 0.7285
ea24 1342 1342/1342 1342 ± 0 6.204 5.134/6.642 5.863 ± 0.8457
ea25 1342 1342/1342 1342 ± 0 6.75 5.899/7.287 6.737 ± 0.8434
ea27 1342 1342/1342 1342 ± 0 6.16 5.303/6.623 6.023 ± 0.7101
ea28 1342 1342/1342 1342 ± 0 6.457 5.733/7.045 6.386 ± 0.7275
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 ± 0.00002398 5.442 5.253/5.603 5.422 ± 0.2679
4 1342 1342/1342 1342 ± 0.00002522 5.265 5.11/5.355 5.238 ± 0.353
5 1342 1342/1342 1342 ± 0.00002398 5.368 5.192/5.6 5.385 ± 0.2826
6 1342 1342/1342 1342 ± 0.00002398 5.317 5.121/5.441 5.279 ± 0.2719
7 1342 1342/1342 1342 ± 0.00002398 5.459 5.287/5.738 5.489 ± 0.2445
8 1342 1342/1342 1342 ± 0.00002398 5.519 5.213/5.615 5.462 ± 0.288
9 1342 1342/1342 1342 ± 0.00002398 5.805 5.679/5.986 5.809 ± 0.2866
10 1342 1342/1342 1342 ± 0.00002398 6.299 6.23/6.405 6.296 ± 0.252
11 1342 1342/1342 1342 ± 0.00002398 6.517 6.324/6.705 6.521 ± 0.2667
12 1342 1342/1342 1342 ± 0.00002398 6.625 6.392/6.85 6.658 ± 0.3196
13 1342 1342/1342 1342 ± 0.00002398 7.13 6.893/7.449 7.136 ± 0.3449
14 1342 1342/1342 1342 ± 0.00002398 7.329 7.084/7.602 7.318 ± 0.335
15 1342 1342/1342 1342 ± 0.00002398 7.007 6.65/7.24 6.992 ± 0.3486
16 1342 1342/1342 1342 ± 0.00002398 6.434 6.209/6.749 6.422 ± 0.3489
17 1342 1342/1342 1342 ± 0.00002398 6.339 6.154/6.578 6.356 ± 0.3348
datacolumn
residual_data
vis
VLASS3.2.sb45665927.eb46086746.60447.529309328704_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-29 02:20:30.653
End
2025-07-29 03:29:04.654
Duration
1:08:34.001
Note, WebLog generation is not included in the time.

CASA logs for stage 8