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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 5.878 5.668/6.28 5.995 ± 0.4496
ea02 1342 1342/1342 1342 ± 0 5.872 5.487/6.438 5.998 ± 0.524
ea03 1342 1342/1342 1342 ± 0.00002216 5.09 4.998/6.132 5.467 ± 0.5714
ea04 1342 1342/1342 1342 ± 0.000001207 5.184 4.877/5.34 5.171 ± 0.3213
ea06 1342 1342/1342 1342 ± 0 5.791 5.381/6.12 5.815 ± 0.4557
ea07 1342 1342/1342 1342 ± 0 5.39 5.217/5.663 5.45 ± 0.3411
ea08 1342 1342/1342 1342 ± 0.00001586 6.055 5.802/6.508 6.168 ± 0.4927
ea09 1342 1342/1342 1342 ± 0.000001207 5.794 5.361/6.401 5.889 ± 0.5278
ea10 1342 1342/1342 1342 ± 0 5.571 5.321/6.148 5.715 ± 0.4278
ea11 1342 1342/1342 1342 ± 0 5.818 5.659/6.408 6.01 ± 0.5419
ea12 1342 1342/1342 1342 ± 0 5.827 5.515/6.352 5.935 ± 0.5184
ea13 1342 1342/1342 1342 ± 0.000007421 6.11 5.556/6.348 6.032 ± 0.5104
ea14 1342 1342/1342 1342 ± 0 5.713 5.398/6.256 5.852 ± 0.4922
ea15 1342 1342/1342 1342 ± 0 5.589 5.325/6.223 5.766 ± 0.5429
ea16 1342 1342/1342 1342 ± 0 5.743 5.501/6.095 5.811 ± 0.4397
ea17 1342 1342/1342 1342 ± 0 6.258 6.044/6.932 6.44 ± 0.473
ea18 1342 1342/1342 1342 ± 0 4.569 4.377/4.822 4.612 ± 0.3055
ea19 1342 1342/1342 1342 ± 0 5.812 5.701/6.55 6.092 ± 0.4925
ea20 1342 1342/1342 1342 ± 0 5.749 5.506/6.538 5.951 ± 0.5126
ea21 1342 1342/1342 1342 ± 0.00000828 5.657 5.405/6.127 5.794 ± 0.433
ea22 1342 1342/1342 1342 ± 0 5.845 5.582/6.353 5.939 ± 0.462
ea23 1342 1342/1342 1342 ± 0 5.824 5.63/6.427 6.049 ± 0.5627
ea24 1342 1342/1342 1342 ± 0 5.785 5.352/6.333 5.783 ± 0.5009
ea25 1342 1342/1342 1342 ± 0 5.417 5.098/5.611 5.494 ± 0.4352
ea26 1342 1342/1342 1342 ± 0 5.78 5.652/6.578 6.013 ± 0.4828
ea27 1342 1342/1342 1342 ± 0 5.607 5.426/6.391 5.852 ± 0.5205
ea28 1342 1342/1342 1342 ± 0.000003815 5.629 5.494/6.364 5.924 ± 0.5258
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 ± 0.00002309 5.675 5.569/5.899 5.64 ± 0.3421
4 1342 1342/1342 1342 ± 0.00002557 5.354 5.166/5.551 5.358 ± 0.4591
5 1342 1342/1342 1342 ± 0.00002309 5.526 5.317/5.795 5.508 ± 0.3838
6 1342 1342/1342 1342 ± 0.00002309 5.422 5.335/5.633 5.406 ± 0.3174
7 1342 1342/1342 1342 ± 0.00002309 5.399 5.262/5.601 5.381 ± 0.3139
8 1342 1342/1342 1342 ± 0.00002309 5.364 5.107/5.55 5.31 ± 0.3323
9 1342 1342/1342 1342 ± 0.00002309 5.601 5.492/5.749 5.554 ± 0.3612
10 1342 1342/1342 1342 ± 0.00002309 6.006 5.763/6.169 5.914 ± 0.3881
11 1342 1342/1342 1342 ± 0.00002309 6.222 6.06/6.335 6.092 ± 0.3907
12 1342 1342/1342 1342 ± 0.00002309 6.334 6.099/6.421 6.194 ± 0.4326
13 1342 1342/1342 1342 ± 0.00002309 6.633 6.462/6.8 6.546 ± 0.4314
14 1342 1342/1342 1342 ± 0.00002309 6.778 6.511/6.958 6.694 ± 0.4222
15 1342 1342/1342 1342 ± 0.00002309 6.512 6.279/6.653 6.401 ± 0.432
16 1342 1342/1342 1342 ± 0.00002919 5.634 5.386/5.873 5.63 ± 0.3743
17 1342 1342/1342 1342 ± 0.00002569 5.518 5.283/5.757 5.493 ± 0.3394
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-05-14 08:31:05.770
End
2025-05-14 09:31:49.036
Duration
1:00:43.266
Note, WebLog generation is not included in the time.

CASA logs for stage 8