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

Statwt Summary Plot

VLASS2.2.sb41027522.eb41031268.59557.25108456019_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 6.115 5.796/6.853 6.273 ± 0.7638
ea03 1342 1342/1342 1342 ± 0.000003017 5.556 5.028/6.475 5.695 ± 0.859
ea04 1342 1342/1342 1342 ± 0 5.685 5.229/6.478 5.839 ± 0.8189
ea05 1342 1342/1342 1342 ± 0 6.151 5.563/7.039 6.318 ± 0.7571
ea06 1342 1342/1342 1342 ± 0 6.115 5.49/6.593 6.072 ± 0.7688
ea07 1342 1342/1342 1342 ± 0 6.063 5.427/6.477 6.004 ± 0.8024
ea08 1342 1342/1342 1342 ± 0.000002391 5.949 5.431/6.782 6.042 ± 0.8314
ea09 1342 1342/1342 1342 ± 0 6.015 5.479/6.785 6.103 ± 0.8693
ea10 1342 1342/1342 1342 ± 0 6.394 5.605/7.123 6.297 ± 0.8554
ea11 1342 1342/1342 1342 ± 0 6.375 5.326/6.752 6.128 ± 0.8619
ea12 1342 1342/1342 1342 ± 0 6.492 5.637/6.926 6.352 ± 0.8696
ea13 1342 1342/1342 1342 ± 0 5.669 5.559/6.281 5.86 ± 0.612
ea14 1342 1342/1342 1342 ± 0 6.22 5.614/6.908 6.249 ± 0.9062
ea15 1342 1342/1342 1342 ± 0 5.834 5.367/6.416 5.88 ± 0.7748
ea16 1342 1342/1342 1342 ± 0 6.453 5.768/6.992 6.314 ± 0.938
ea17 1342 1342/1342 1342 ± 0 6.75 6.155/7.765 6.812 ± 0.9176
ea18 1342 1342/1342 1342 ± 0 5.178 4.709/5.53 5.181 ± 0.5071
ea19 1342 1342/1342 1342 ± 0 6.337 5.813/7.023 6.396 ± 0.9011
ea20 1342 1342/1342 1342 ± 0 5.929 5.458/6.641 6 ± 0.8343
ea21 1342 1342/1342 1342 ± 0 5.372 5.031/5.934 5.482 ± 0.5848
ea22 1342 1342/1342 1342 ± 0.000007506 6.357 5.41/6.749 6.075 ± 0.8058
ea23 1342 1342/1342 1342 ± 0 6.361 5.684/6.847 6.339 ± 0.7721
ea24 1342 1342/1342 1342 ± 0.0000141 5.925 5.275/6.597 5.833 ± 0.796
ea25 1342 1342/1342 1342 ± 0 6.699 5.621/7.177 6.463 ± 0.9583
ea26 1342 1342/1342 1342 ± 0.000001105 6.635 5.942/7.421 6.593 ± 0.8832
ea27 1342 1342/1342 1342 ± 0 6.109 5.531/7.013 6.204 ± 0.7843
ea28 1342 1342/1342 1342 ± 0 6.16 5.788/7.048 6.393 ± 0.7979
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 ± 0.00002305 5.519 5.265/5.729 5.486 ± 0.3126
3 1342 1342/1342 1342 ± 0.0000262 5.12 4.917/5.317 5.116 ± 0.3927
4 1342 1342/1342 1342 ± 0.00002874 4.305 4.228/4.435 4.383 ± 0.3027
5 1342 1342/1342 1342 ± 0.00002305 5.574 5.272/5.719 5.513 ± 0.3333
6 1342 1342/1342 1342 ± 0.00002305 5.511 5.334/5.76 5.498 ± 0.309
7 1342 1342/1342 1342 ± 0.00002305 5.58 5.4/5.704 5.557 ± 0.3003
8 1342 1342/1342 1342 ± 0.00002305 5.526 5.286/5.747 5.5 ± 0.3398
9 1342 1342/1342 1342 ± 0.00002305 5.86 5.642/6.08 5.823 ± 0.3416
10 1342 1342/1342 1342 ± 0.00002305 6.475 6.208/6.605 6.374 ± 0.3485
11 1342 1342/1342 1342 ± 0.00002305 6.711 6.45/6.836 6.623 ± 0.3708
12 1342 1342/1342 1342 ± 0.00002305 6.85 6.536/7.014 6.767 ± 0.444
13 1342 1342/1342 1342 ± 0.00002305 7.292 7.056/7.637 7.272 ± 0.4716
14 1342 1342/1342 1342 ± 0.00002305 7.532 7.18/7.769 7.457 ± 0.4803
15 1342 1342/1342 1342 ± 0.00002305 7.115 6.768/7.415 7.08 ± 0.4444
16 1342 1342/1342 1342 ± 0.00002305 6.408 6.167/6.762 6.426 ± 0.4449
17 1342 1342/1342 1342 ± 0.00002305 6.4 6.147/6.599 6.355 ± 0.4706
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
Start time
2025-06-11 12:58:55.901
End
2025-06-11 14:16:21.432
Duration
1:17:25.531
Note, WebLog generation is not included in the time.

CASA logs for stage 8