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

Statwt Summary Plot

VLASS2.2.sb40528187.eb40882891.59510.17895375_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 6.153 5.738/6.677 6.249 ± 0.6069
ea02 1342 1342/1342 1342 ± 0.00002955 6.137 5.495/6.691 6.065 ± 0.9037
ea03 1342 1342/1342 1342 ± 0 5.59 5.181/6.453 5.737 ± 0.83
ea04 1342 1342/1342 1342 ± 0 5.716 5.297/6.408 5.84 ± 0.5873
ea06 1342 1342/1342 1342 ± 0 6.505 5.684/6.65 6.236 ± 0.6264
ea07 1342 1342/1342 1342 ± 0 6.075 5.571/6.47 6.124 ± 0.6159
ea08 1342 1342/1342 1342 ± 0 6.187 5.73/6.857 6.349 ± 0.7237
ea09 1342 1342/1342 1342 ± 0 6.052 5.47/6.808 6.134 ± 0.6915
ea10 1342 1342/1342 1342 ± 0 6.15 5.523/6.778 6.108 ± 0.7484
ea11 1342 1342/1342 1342 ± 0 6.281 5.471/6.766 6.208 ± 0.77
ea12 1342 1342/1342 1342 ± 0 6.088 5.598/6.714 6.221 ± 0.7643
ea13 1342 1342/1342 1342 ± 0 5.953 5.702/6.446 6.097 ± 0.5502
ea14 1342 1342/1342 1342 ± 0 6.412 5.675/6.896 6.404 ± 0.7081
ea15 1342 1342/1342 1342 ± 0 5.648 5.084/6.014 5.601 ± 0.6999
ea16 1342 1342/1342 1342 ± 0 6.21 5.759/6.827 6.341 ± 0.7301
ea17 1342 1342/1342 1342 ± 0 6.574 6.203/7.396 6.784 ± 0.6976
ea18 1342 1342/1342 1342 ± 0 4.563 4.292/4.957 4.651 ± 0.4361
ea19 1342 1342/1342 1342 ± 0 6.329 5.833/6.932 6.458 ± 0.735
ea20 1342 1342/1342 1342 ± 0 6.01 5.701/6.749 6.158 ± 0.7582
ea21 1342 1342/1342 1342 ± 0 6.027 5.659/6.643 6.176 ± 0.6336
ea22 1342 1342/1342 1342 ± 0 6.392 5.557/6.831 6.249 ± 0.7323
ea23 1342 1342/1342 1342 ± 0 6.231 5.74/6.704 6.268 ± 0.8002
ea24 1342 1342/1342 1342 ± 0 5.927 5.214/6.405 5.819 ± 0.5806
ea25 1342 1342/1342 1342 ± 0 6.657 5.789/7.138 6.56 ± 0.8275
ea26 1342 1342/1342 1342 ± 0 6.44 5.88/7.231 6.507 ± 0.7082
ea27 1342 1342/1342 1342 ± 0 6.047 5.553/6.894 6.161 ± 0.7946
ea28 1342 1342/1342 1342 ± 0 6.158 5.793/6.942 6.371 ± 0.8037
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 ± 0.00002307 5.677 5.494/5.909 5.62 ± 0.3414
3 1342 1342/1342 1342 ± 0.00002663 4.973 4.552/5.391 4.942 ± 0.6308
4 1342 1342/1342 1342 ± 0.00002417 5.523 5.264/5.666 5.45 ± 0.4387
5 1342 1342/1342 1342 ± 0.00002307 5.692 5.377/5.781 5.572 ± 0.3879
6 1342 1342/1342 1342 ± 0.00002307 5.583 5.374/5.754 5.526 ± 0.3327
7 1342 1342/1342 1342 ± 0.00002307 5.674 5.438/5.781 5.582 ± 0.338
8 1342 1342/1342 1342 ± 0.00002307 5.56 5.359/5.8 5.533 ± 0.3783
9 1342 1342/1342 1342 ± 0.00002307 5.941 5.738/6.115 5.852 ± 0.4015
10 1342 1342/1342 1342 ± 0.00002307 6.43 6.24/6.536 6.303 ± 0.4188
11 1342 1342/1342 1342 ± 0.00002307 6.639 6.444/6.795 6.538 ± 0.4269
12 1342 1342/1342 1342 ± 0.00002307 6.801 6.585/6.844 6.685 ± 0.459
13 1342 1342/1342 1342 ± 0.00002307 7.26 7.023/7.48 7.18 ± 0.4959
14 1342 1342/1342 1342 ± 0.00002307 7.473 7.335/7.736 7.407 ± 0.5051
15 1342 1342/1342 1342 ± 0.00002307 7.1 6.962/7.346 7.049 ± 0.4746
16 1342 1342/1342 1342 ± 0.00002307 6.383 6.186/6.654 6.364 ± 0.4624
17 1342 1342/1342 1342 ± 0.00002307 6.318 6.137/6.622 6.326 ± 0.456
datacolumn
residual_data
vis
VLASS2.2.sb40528187.eb40882891.59510.17895375_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2025-05-23 12:40:00.321
End
2025-05-23 13:25:28.052
Duration
0:45:27.731
Note, WebLog generation is not included in the time.

CASA logs for stage 8