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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.506 5.192/6.203 5.516 ± 0.9708
ea02 1342 1342/1342 1342 ± 0.00002018 5.714 5.302/6.431 5.654 ± 0.9493
ea03 1342 1342/1342 1342 ± 0.000001566 5.277 5.178/6.663 5.692 ± 0.9217
ea04 1342 1342/1342 1342 ± 0.00004937 5.122 4.864/5.995 5.164 ± 0.7811
ea05 1342 1342/1342 1342 ± 0.00005167 5.285 5.06/6.417 5.439 ± 0.9486
ea06 1342 1342/1342 1342 ± 0.00002271 4.91 4.742/5.94 5.213 ± 0.8363
ea07 1342 1342/1342 1342 ± 0.00002444 5.187 4.957/6.277 5.427 ± 1.005
ea08 1342 1342/1342 1342 ± 0 5.89 5.495/6.726 5.985 ± 0.8818
ea09 1342 1342/1342 1342 ± 0.00004843 4.958 4.639/5.947 5.071 ± 0.7831
ea10 1342 1342/1342 1342 ± 0.00004721 5.031 4.693/6.051 5.131 ± 0.9044
ea11 1342 1342/1342 1342 ± 0.00004999 5.275 4.536/6.293 5.282 ± 0.9299
ea12 1342 1342/1342 1342 ± 0.00004706 5.124 4.882/5.938 5.162 ± 0.8452
ea14 1342 1342/1342 1342 ± 0.00004997 5.537 5.301/6.511 5.575 ± 0.9159
ea15 1342 1342/1342 1342 ± 0.00005221 5.541 4.919/6.569 5.588 ± 1.013
ea16 1342 1342/1342 1342 ± 0.00002134 5.695 4.893/6.619 5.707 ± 0.9923
ea17 1342 1342/1342 1342 ± 0.00002367 5.642 5.322/6.518 5.734 ± 1.024
ea18 1342 1342/1342 1342 ± 0 5.747 5.482/6.844 5.94 ± 0.9688
ea19 1342 1342/1342 1342 ± 0.00004221 5.194 5.027/6.275 5.471 ± 0.8661
ea20 1342 1342/1342 1342 ± 0.00004146 5.849 5.41/6.87 5.892 ± 0.9743
ea21 1342 1342/1342 1342 ± 0.000001603 5.088 4.918/5.898 5.351 ± 0.6562
ea22 1342 1342/1342 1342 ± 0.00001806 5.644 5.141/6.441 5.629 ± 0.9393
ea23 1342 1342/1342 1342 ± 0.00004753 5.565 5.099/6.378 5.543 ± 0.954
ea24 1342 1342/1342 1342 ± 0.000007966 5.327 5.028/6.256 5.596 ± 0.7167
ea25 1342 1342/1342 1342 ± 0.000007307 5.519 5.288/6.874 6.021 ± 1.019
ea27 1342 1342/1342 1342 ± 0.00001035 5.195 5.009/6.335 5.448 ± 0.8216
ea28 1342 1342/1342 1342 ± 0.00001174 5.625 5.361/6.733 5.825 ± 0.8803
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 ± 0.00002352 5.198 4.965/5.333 5.171 ± 0.2652
4 1342 1342/1342 1342 ± 0.00005929 3.648 3.537/3.796 3.674 ± 0.203
5 1342 1342/1342 1342 ± 0.000024 5.124 4.926/5.4 5.151 ± 0.3426
6 1342 1342/1342 1342 ± 0.00002352 5.174 4.935/5.483 5.206 ± 0.2971
7 1342 1342/1342 1342 ± 0.00002352 5.283 5.014/5.449 5.243 ± 0.2696
8 1342 1342/1342 1342 ± 0.00002352 5.237 5.027/5.514 5.254 ± 0.304
9 1342 1342/1342 1342 ± 0.00002352 5.573 5.344/5.8 5.568 ± 0.317
10 1342 1342/1342 1342 ± 0.00002352 6.139 5.901/6.287 6.104 ± 0.2982
11 1342 1342/1342 1342 ± 0.00002352 6.386 6.197/6.519 6.369 ± 0.285
12 1342 1342/1342 1342 ± 0.00002352 6.569 6.313/6.675 6.515 ± 0.3272
13 1342 1342/1342 1342 ± 0.00002352 6.842 6.418/7.145 6.819 ± 0.3766
14 1342 1342/1342 1342 ± 0.00005213 5.999 5.648/6.405 6.091 ± 0.6385
15 1342 1342/1342 1342 ± 0.00002352 6.754 6.32/7.021 6.695 ± 0.3837
16 1342 1342/1342 1342 ± 0.00006104 4.12 3.874/4.547 4.227 ± 0.431
17 1342 1342/1342 1342 ± 0.00006103 4.219 4.018/4.502 4.275 ± 0.3393
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2025-08-02 18:30:12.728
End
2025-08-02 19:01:51.829
Duration
0:31:39.101
Note, WebLog generation is not included in the time.

CASA logs for stage 8