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

Statwt Summary Plot

VLASS2.1.sb38563510.eb38566235.59073.10379631944_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 5.333 5.258/5.977 5.378 ± 0.8097
ea02 1342 1342/1342 1342 ± 0.00004135 5.944 5.368/6.61 5.795 ± 1.017
ea05 1342 1342/1342 1342 ± 0.0000145 5.677 5.106/6.124 5.545 ± 0.7293
ea06 1342 1342/1342 1342 ± 0.000004344 4.776 4.609/5.199 4.737 ± 0.6148
ea07 1342 1342/1342 1342 ± 0.00004285 5.853 5.367/5.945 5.521 ± 0.8308
ea08 1342 1342/1342 1342 ± 0.00004127 6.055 5.656/6.987 6.065 ± 1.088
ea09 1342 1342/1342 1342 ± 0.00001386 5.27 4.892/5.721 5.207 ± 0.6391
ea10 1342 1342/1342 1342 ± 0.00004393 5.622 5.26/6.497 5.623 ± 0.9705
ea11 1342 1342/1342 1342 ± 0.00004045 5.616 5.302/6.48 5.64 ± 1.042
ea12 1342 1342/1342 1342 ± 0.000002849 5.49 5.222/6.408 5.591 ± 1.005
ea13 1342 1342/1342 1342 ± 0.00002462 5.902 5.638/6.399 5.899 ± 0.8128
ea14 1342 1342/1342 1342 ± 0.00002019 6.459 5.989/6.717 5.949 ± 1.053
ea15 1342 1342/1342 1342 ± 0 5.191 5.006/6.227 5.481 ± 0.8903
ea16 1342 1342/1342 1342 ± 0 5.19 5.044/5.395 5.177 ± 0.2253
ea17 1342 1342/1342 1342 ± 0.0000435 5.79 5.569/6.624 5.828 ± 1.058
ea18 1342 1342/1342 1342 ± 0.00002563 5.007 4.648/5.745 4.975 ± 0.827
ea19 1342 1342/1342 1342 ± 0 5.92 5.431/6.44 5.783 ± 0.7419
ea20 1342 1342/1342 1342 ± 0.00001317 5.891 5.667/6.765 5.918 ± 1.14
ea21 1342 1342/1342 1342 ± 0.00002119 5.62 5.387/6.257 5.56 ± 0.7838
ea22 1342 1342/1342 1342 ± 0.00003913 5.485 5.099/6.535 5.623 ± 0.9321
ea23 1342 1342/1342 1342 ± 0.00003866 5.604 5.506/6.443 5.751 ± 0.91
ea25 1342 1342/1342 1342 ± 0 5.373 5.345/5.458 5.379 ± 0.1678
ea26 1342 1342/1342 1342 ± 0.0000334 5.701 5.527/6.652 5.826 ± 0.8458
ea27 1342 1342/1342 1342 ± 0.00004492 5.442 5.144/6.4 5.516 ± 0.9327
ea28 1342 1342/1342 1342 ± 0.00004164 5.69 5.406/6.545 5.689 ± 0.9489
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 ± 0.00002466 5.529 5.327/5.774 5.502 ± 0.3257
3 1342 1342/1342 1342 ± 0.00002666 5.337 5.101/5.586 5.357 ± 0.3413
5 1342 1342/1342 1342 ± 0.00002466 5.468 5.292/5.619 5.411 ± 0.3781
6 1342 1342/1342 1342 ± 0.00002466 5.359 5.128/5.476 5.317 ± 0.3047
7 1342 1342/1342 1342 ± 0.00002466 5.339 5.193/5.502 5.325 ± 0.266
8 1342 1342/1342 1342 ± 0.00002466 5.382 5.108/5.547 5.29 ± 0.3034
9 1342 1342/1342 1342 ± 0.00002466 5.639 5.451/5.889 5.588 ± 0.3747
10 1342 1342/1342 1342 ± 0.00002516 6.094 5.853/6.22 5.995 ± 0.3795
11 1342 1342/1342 1342 ± 0.00002516 6.417 6.1/6.513 6.278 ± 0.3923
12 1342 1342/1342 1342 ± 0.00002516 6.54 6.208/6.69 6.451 ± 0.4001
13 1342 1342/1342 1342 ± 0.00002516 6.829 6.404/6.941 6.682 ± 0.4152
14 1342 1342/1342 1342 ± 0.00003505 6.456 6.045/7.005 6.484 ± 0.5594
15 1342 1342/1342 1342 ± 0.00002633 6.649 6.407/6.853 6.545 ± 0.5215
16 1342 1342/1342 1342 ± 0.0000598 3.669 3.436/3.928 3.693 ± 0.3411
17 1342 1342/1342 1342 ± 0.00006103 3.891 3.625/4.11 3.871 ± 0.3158
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38563510.eb38566235.59073.10379631944_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-03-12 21:13:06.032
End
2025-03-12 21:34:21.673
Duration
0:21:15.641
Note, WebLog generation is not included in the time.

CASA logs for stage 8