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

Statwt Summary Plot

VLASS2.1.sb38499285.eb38509861.59047.50492306713_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 5.265 5.109/5.883 5.338 ± 0.7604
ea02 1342 1342/1342 1342 ± 0.00004241 5.653 5.164/6.37 5.587 ± 0.8639
ea04 1342 1342/1342 1342 ± 0 5.307 4.9/5.85 5.237 ± 0.7703
ea05 1342 1342/1342 1342 ± 0.000007289 5.448 5.051/6.322 5.561 ± 0.758
ea06 1342 1342/1342 1342 ± 0.000001853 5.265 4.96/6.004 5.304 ± 0.8582
ea07 1342 1342/1342 1342 ± 0.00004279 5.625 5.215/5.977 5.447 ± 0.7618
ea08 1342 1342/1342 1342 ± 0.00004289 5.634 5.38/6.594 5.77 ± 0.9361
ea09 1342 1342/1342 1342 ± 0.000009279 5.501 4.993/6.245 5.461 ± 0.7479
ea10 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea11 1342 1342/1342 1342 ± 0.00004268 5.624 5.159/6.325 5.564 ± 0.9355
ea12 1342 1342/1342 1342 ± 0.000008078 5.485 5.151/6.294 5.503 ± 0.9897
ea13 1342 1342/1342 1342 ± 0.00001249 5.699 5.521/6.19 5.774 ± 0.7135
ea14 1342 1342/1342 1342 ± 0.000004501 5.431 5.105/6.321 5.558 ± 0.7718
ea15 1342 1342/1342 1342 ± 0 5.327 5.12/6.2 5.516 ± 0.875
ea16 1342 1342/1342 1342 ± 0.00002269 5.735 5.369/6.601 5.723 ± 0.8825
ea17 1342 1342/1342 1342 ± 0.00004313 5.771 5.372/6.465 5.734 ± 0.9151
ea18 1342 1342/1342 1342 ± 0.00003533 4.859 4.517/5.591 4.87 ± 0.7121
ea19 1342 1342/1342 1342 ± 0 5.658 5.433/6.576 5.788 ± 0.7704
ea20 1342 1342/1342 1342 ± 0.00001968 5.779 5.578/6.812 5.875 ± 1.089
ea21 1342 1342/1342 1342 ± 0.00001619 5.386 5.246/6.138 5.473 ± 0.7632
ea22 1342 1342/1342 1342 ± 0.00002902 5.33 5.082/6.318 5.496 ± 0.8217
ea23 1342 1342/1342 1342 ± 0.00005163 6.117 5.426/6.409 5.715 ± 1.007
ea24 1342 1342/1342 1342 ± 0.000003304 5.091 4.808/6.079 5.353 ± 0.6595
ea25 1342 1342/1342 1342 ± 0.00004272 5.388 5.152/6.21 5.431 ± 0.8287
ea26 1342 1342/1342 1342 ± 0.00001696 5.678 5.482/6.756 5.898 ± 0.8496
ea27 1342 1342/1342 1342 ± 0.00004426 5.422 5.088/6.324 5.471 ± 0.8526
ea28 1342 1342/1342 1342 ± 0.00004314 5.6 5.379/6.405 5.652 ± 0.8777
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 ± 0.00002397 5.329 5.178/5.529 5.342 ± 0.2441
5 1342 1342/1342 1342 ± 0.00002398 5.205 5.059/5.414 5.22 ± 0.3092
6 1342 1342/1342 1342 ± 0.00002397 5.26 5.053/5.391 5.22 ± 0.2542
7 1342 1342/1342 1342 ± 0.00002397 5.233 5.081/5.401 5.241 ± 0.2361
8 1342 1342/1342 1342 ± 0.00002397 5.246 5.05/5.372 5.209 ± 0.2641
9 1342 1342/1342 1342 ± 0.00002432 5.507 5.32/5.693 5.476 ± 0.2672
10 1342 1342/1342 1342 ± 0.00002352 5.915 5.776/6.024 5.88 ± 0.2818
11 1342 1342/1342 1342 ± 0.00002352 6.185 6.054/6.33 6.171 ± 0.2662
12 1342 1342/1342 1342 ± 0.00002352 6.318 6.167/6.478 6.335 ± 0.2975
13 1342 1342/1342 1342 ± 0.00002352 6.576 6.41/6.785 6.561 ± 0.302
14 1342 1342/1342 1342 ± 0.00002647 6.38 6.184/6.65 6.427 ± 0.3586
15 1342 1342/1342 1342 ± 0.00002354 6.535 6.31/6.702 6.483 ± 0.3288
16 1342 1342/1342 1342 ± 0.00006103 3.871 3.705/4.15 3.935 ± 0.2941
17 1342 1342/1342 1342 ± 0.00006023 3.998 3.823/4.201 4.005 ± 0.286
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38499285.eb38509861.59047.50492306713_split_split.ms
statwtmode
VLASS-SE
Start time
2024-11-07 21:07:59.861
End
2024-11-07 22:05:41.455
Duration
0:57:41.594
Note, WebLog generation is not included in the time.

CASA logs for stage 8