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

Statwt Summary Plot

VLASS2.2.sb40880919.eb41034540.59559.16303170139_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 6.273 5.952/6.808 6.468 ± 0.5818
ea03 1342 1342/1342 1342 ± 0.00002547 5.681 5.196/6.648 5.893 ± 0.6995
ea04 1342 1342/1342 1342 ± 0.000004678 6.196 5.773/6.712 6.312 ± 0.6148
ea05 1342 1342/1342 1342 ± 0 6.068 5.678/6.909 6.285 ± 0.7081
ea06 1342 1342/1342 1342 ± 0 6.267 5.9/6.725 6.355 ± 0.5551
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0.00001692 6.053 5.743/6.662 6.225 ± 0.5857
ea09 1342 1342/1342 1342 ± 0 6.234 5.697/6.909 6.328 ± 0.6604
ea10 1342 1342/1342 1342 ± 0 7.073 6.75/7.345 6.958 ± 0.4756
ea11 1342 1342/1342 1342 ± 0 6.183 5.627/6.817 6.268 ± 0.6882
ea12 1342 1342/1342 1342 ± 0 6.471 5.975/7.03 6.569 ± 0.6524
ea13 1342 1342/1342 1342 ± 0.000003826 5.746 5.335/6.021 5.766 ± 0.423
ea14 1342 1342/1342 1342 ± 0 6.277 5.917/7.022 6.515 ± 0.6342
ea15 1342 1342/1342 1342 ± 0 5.855 5.515/6.58 6.058 ± 0.6051
ea16 1342 1342/1342 1342 ± 0 6.454 6.051/6.991 6.548 ± 0.6595
ea17 1342 1342/1342 1342 ± 0 6.913 6.6/7.807 7.132 ± 0.656
ea18 1342 1342/1342 1342 ± 0 5.089 4.78/5.473 5.137 ± 0.4509
ea19 1342 1342/1342 1342 ± 0 6.367 6.117/7.296 6.651 ± 0.6701
ea20 1342 1342/1342 1342 ± 0 5.751 5.575/6.602 6.003 ± 0.5663
ea21 1342 1342/1342 1342 ± 0 5.442 5.267/5.965 5.635 ± 0.4297
ea22 1342 1342/1342 1342 ± 0 6.189 5.703/6.585 6.14 ± 0.5411
ea23 1342 1342/1342 1342 ± 0 6.06 5.966/6.862 6.425 ± 0.649
ea24 1342 1342/1342 1342 ± 0 5.968 5.415/6.508 5.956 ± 0.5386
ea25 1342 1342/1342 1342 ± 0 6.739 6.101/6.967 6.714 ± 0.733
ea26 1342 1342/1342 1342 ± 0 6.663 6.271/7.395 6.784 ± 0.6588
ea27 1342 1342/1342 1342 ± 0 6.029 5.821/6.995 6.339 ± 0.6346
ea28 1342 1342/1342 1342 ± 0.000001208 6.229 5.965/7.069 6.464 ± 0.6421
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 ± 0.00002397 5.901 5.708/6.166 5.863 ± 0.3637
4 1342 1342/1342 1342 ± 0.00002418 5.563 5.286/5.779 5.557 ± 0.4679
5 1342 1342/1342 1342 ± 0.00002397 5.857 5.641/6.065 5.824 ± 0.3854
6 1342 1342/1342 1342 ± 0.00002397 5.803 5.557/5.915 5.713 ± 0.3347
7 1342 1342/1342 1342 ± 0.00002397 5.858 5.586/5.949 5.765 ± 0.3506
8 1342 1342/1342 1342 ± 0.00002397 5.628 5.462/5.982 5.702 ± 0.3972
9 1342 1342/1342 1342 ± 0.00002397 6.014 5.703/6.268 5.979 ± 0.3953
10 1342 1342/1342 1342 ± 0.00002352 6.551 6.18/6.628 6.415 ± 0.3817
11 1342 1342/1342 1342 ± 0.00002352 6.714 6.521/6.941 6.652 ± 0.4061
12 1342 1342/1342 1342 ± 0.00002352 6.85 6.588/7.037 6.792 ± 0.4725
13 1342 1342/1342 1342 ± 0.00002352 7.336 7.025/7.616 7.247 ± 0.5218
14 1342 1342/1342 1342 ± 0.00002352 7.48 7.176/7.714 7.423 ± 0.5295
15 1342 1342/1342 1342 ± 0.00002352 7.056 6.739/7.387 7.016 ± 0.5079
16 1342 1342/1342 1342 ± 0.00002352 6.202 5.832/6.55 6.194 ± 0.5203
17 1342 1342/1342 1342 ± 0.00003186 6.201 5.693/6.47 6.092 ± 0.5199
statwtmode
VLASS-SE
vis
VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-06-12 02:19:37.749
End
2025-06-12 03:23:07.268
Duration
1:03:29.519
Note, WebLog generation is not included in the time.

CASA logs for stage 8