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

Statwt Summary Plot

VLASS2.1.sb38529434.eb38589592.59082.86913579861_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 5.664 5.116/5.932 5.593 ± 0.5664
ea02 1342 1342/1342 1342 ± 0.00002964 5.67 5.415/6.437 5.916 ± 0.6649
ea04 1342 1342/1342 1342 ± 0 5.404 4.877/5.934 5.476 ± 0.5629
ea05 1342 1342/1342 1342 ± 0 5.622 5.185/6.199 5.726 ± 0.5904
ea06 1342 1342/1342 1342 ± 0 4.964 4.715/5.346 5.032 ± 0.4083
ea07 1342 1342/1342 1342 ± 0 5.752 5.214/6.028 5.759 ± 0.5753
ea08 1342 1342/1342 1342 ± 0.000002109 5.551 5.403/6.471 5.926 ± 0.6733
ea09 1342 1342/1342 1342 ± 0 5.578 5.157/6.389 5.737 ± 0.6097
ea10 1342 1342/1342 1342 ± 0 5.56 4.969/6.155 5.572 ± 0.6337
ea11 1342 1342/1342 1342 ± 0 5.681 5.074/6.146 5.673 ± 0.6279
ea12 1342 1342/1342 1342 ± 0 5.624 5.191/6.292 5.807 ± 0.6397
ea13 1342 1342/1342 1342 ± 0 5.644 5.495/6.088 5.837 ± 0.4772
ea14 1342 1342/1342 1342 ± 0 5.927 5.232/6.34 5.822 ± 0.663
ea15 1342 1342/1342 1342 ± 0 5.419 4.945/6.071 5.552 ± 0.6811
ea16 1342 1342/1342 1342 ± 0 6.005 5.539/6.651 6.149 ± 0.7328
ea17 1342 1342/1342 1342 ± 0.000009092 5.942 5.315/6.692 5.965 ± 0.6612
ea18 1342 1342/1342 1342 ± 0 5.111 4.637/5.548 5.098 ± 0.5205
ea19 1342 1342/1342 1342 ± 0 6.052 5.42/6.552 6.046 ± 0.6483
ea20 1342 1342/1342 1342 ± 0 6.185 5.61/6.683 6.11 ± 0.6579
ea21 1342 1342/1342 1342 ± 0 5.639 5.292/6.193 5.747 ± 0.5642
ea22 1342 1342/1342 1342 ± 0 5.491 5.273/6.484 5.791 ± 0.6819
ea23 1342 1342/1342 1342 ± 0 6.032 5.296/6.402 5.922 ± 0.6722
ea25 1342 1342/1342 1342 ± 0 5.579 5.075/6.075 5.584 ± 0.5726
ea26 1342 1342/1342 1342 ± 0 5.694 5.479/6.57 5.927 ± 0.6185
ea27 1342 1342/1342 1342 ± 0.0000259 5.496 5.135/6.304 5.617 ± 0.6395
ea28 1342 1342/1342 1342 ± 0.00002249 5.481 5.201/6.275 5.713 ± 0.6703
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 ± 0.00002356 5.269 5.11/5.479 5.261 ± 0.2325
3 1342 1342/1342 1342 ± 0.00002356 5.041 4.811/5.244 5.026 ± 0.2664
4 1342 1342/1342 1342 ± 0.00002726 5.097 4.911/5.236 5.088 ± 0.3071
5 1342 1342/1342 1342 ± 0.00002356 5.176 4.985/5.294 5.168 ± 0.2823
6 1342 1342/1342 1342 ± 0.00002356 5.14 4.98/5.346 5.146 ± 0.2643
7 1342 1342/1342 1342 ± 0.00002356 5.269 5.046/5.408 5.225 ± 0.2477
8 1342 1342/1342 1342 ± 0.00002356 5.233 5.006/5.415 5.199 ± 0.2639
9 1342 1342/1342 1342 ± 0.00002356 5.549 5.374/5.696 5.486 ± 0.2918
10 1342 1342/1342 1342 ± 0.00002356 5.96 5.845/6.065 5.916 ± 0.2799
11 1342 1342/1342 1342 ± 0.00002356 6.182 5.975/6.341 6.121 ± 0.2995
12 1342 1342/1342 1342 ± 0.00002356 6.322 6.06/6.49 6.259 ± 0.3307
13 1342 1342/1342 1342 ± 0.00002356 6.759 6.538/6.84 6.688 ± 0.3456
14 1342 1342/1342 1342 ± 0.00002356 6.934 6.701/7.159 6.877 ± 0.3741
15 1342 1342/1342 1342 ± 0.00002356 6.581 6.357/6.774 6.513 ± 0.3818
16 1342 1342/1342 1342 ± 0.00002958 5.774 5.535/6.047 5.814 ± 0.3631
17 1342 1342/1342 1342 ± 0.00003086 5.813 5.563/6.093 5.824 ± 0.3409
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38529434.eb38589592.59082.86913579861_split_split.ms
output_dir
 
datacolumn
residual_data
Start time
2025-05-12 23:37:29.524
End
2025-05-13 00:21:33.335
Duration
0:44:03.811
Note, WebLog generation is not included in the time.

CASA logs for stage 8