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

Statwt Summary Plot

VLASS2.1.sb38513454.eb38563508.59068.92709877314_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 5.409 5.263/5.834 5.597 ± 0.5011
ea02 1342 1342/1342 1342 ± 0 5.634 5.354/6.329 5.842 ± 0.634
ea04 1342 1342/1342 1342 ± 0 5.443 5.045/5.91 5.536 ± 0.5106
ea05 1342 1342/1342 1342 ± 0 5.679 5.281/6.156 5.759 ± 0.5625
ea06 1342 1342/1342 1342 ± 0 4.934 4.656/5.267 4.964 ± 0.4144
ea07 1342 1342/1342 1342 ± 0.000003369 5.584 5.259/5.775 5.645 ± 0.4549
ea08 1342 1342/1342 1342 ± 0 5.798 5.478/6.536 6.006 ± 0.6722
ea09 1342 1342/1342 1342 ± 0 4.916 4.693/5.522 5.079 ± 0.4716
ea10 1342 1342/1342 1342 ± 0.00003498 5.427 5.165/6.195 5.661 ± 0.5855
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.773 5.408/6.21 5.901 ± 0.5694
ea13 1342 1342/1342 1342 ± 0 5.994 5.71/6.209 6.033 ± 0.4642
ea14 1342 1342/1342 1342 ± 0 6.382 6.011/6.86 6.434 ± 0.4104
ea15 1342 1342/1342 1342 ± 0 5.611 5.256/6.18 5.788 ± 0.6088
ea16 1342 1342/1342 1342 ± 0 4.667 3.928/4.959 4.496 ± 0.7063
ea17 1342 1342/1342 1342 ± 0.00002296 5.967 5.713/6.538 6.144 ± 0.5999
ea18 1342 1342/1342 1342 ± 0 5.178 4.846/5.493 5.19 ± 0.502
ea19 1342 1342/1342 1342 ± 0 5.926 5.431/6.416 6.01 ± 0.5804
ea20 1342 1342/1342 1342 ± 0 6.081 5.852/6.72 6.251 ± 0.5773
ea21 1342 1342/1342 1342 ± 0 5.554 5.299/6.119 5.736 ± 0.525
ea22 1342 1342/1342 1342 ± 0 5.487 5.242/6.317 5.765 ± 0.6265
ea23 1342 1342/1342 1342 ± 0.00000261 5.695 5.409/6.189 5.869 ± 0.5939
ea25 1342 1342/1342 1342 ± 0 5.355 5.208/5.486 5.313 ± 0.2122
ea26 1342 1342/1342 1342 ± 0 5.571 5.415/6.232 5.802 ± 0.5366
ea27 1342 1342/1342 1342 ± 0.00004037 5.51 5.278/6.274 5.698 ± 0.5531
ea28 1342 1342/1342 1342 ± 0.00005251 6.373 5.875/6.76 6.261 ± 0.5567
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 ± 0.00002491 5.453 5.228/5.65 5.341 ± 0.4807
3 1342 1342/1342 1342 ± 0.00002553 5.1 4.876/5.443 5.106 ± 0.4238
4 1342 1342/1342 1342 ± 0.00002503 5.178 5.082/5.409 5.112 ± 0.5144
5 1342 1342/1342 1342 ± 0.00002491 5.286 5.051/5.461 5.218 ± 0.5202
6 1342 1342/1342 1342 ± 0.00002491 5.296 5.047/5.428 5.209 ± 0.4037
7 1342 1342/1342 1342 ± 0.00002491 5.277 5.111/5.428 5.243 ± 0.3569
8 1342 1342/1342 1342 ± 0.00002491 5.314 5.033/5.384 5.183 ± 0.3754
9 1342 1342/1342 1342 ± 0.00002491 5.552 5.211/5.715 5.457 ± 0.4004
10 1342 1342/1342 1342 ± 0.00002441 5.974 5.73/6.109 5.851 ± 0.3987
11 1342 1342/1342 1342 ± 0.00002441 6.175 5.798/6.335 6.048 ± 0.4395
12 1342 1342/1342 1342 ± 0.00002441 6.279 5.938/6.426 6.2 ± 0.4218
13 1342 1342/1342 1342 ± 0.00002441 6.663 6.419/6.885 6.589 ± 0.4387
14 1342 1342/1342 1342 ± 0.00002441 6.847 6.579/7.082 6.747 ± 0.4661
15 1342 1342/1342 1342 ± 0.00002441 6.547 6.346/6.72 6.413 ± 0.4747
16 1342 1342/1342 1342 ± 0.00004645 5.661 5.304/5.949 5.6 ± 0.4116
17 1342 1342/1342 1342 ± 0.00004456 5.641 5.396/5.889 5.613 ± 0.3881
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38513454.eb38563508.59068.92709877314_split_split.ms
datacolumn
residual_data
Start time
2025-05-10 00:24:37.498
End
2025-05-10 00:52:34.122
Duration
0:27:56.623
Note, WebLog generation is not included in the time.

CASA logs for stage 8