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

Statwt Summary Plot

VLASS3.2.sb45489670.eb46132517.60459.18880607639_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 5.795 5.711/6.652 6.018 ± 0.7183
ea02 1342 1342/1342 1342 ± 0 6.182 5.62/6.517 6.144 ± 0.7249
ea03 1342 1342/1342 1342 ± 0 6.151 5.439/6.771 6.071 ± 0.7522
ea04 1342 1342/1342 1342 ± 0.00002063 5.467 5.087/6.042 5.485 ± 0.6175
ea05 1342 1342/1342 1342 ± 0.00001803 5.655 5.446/6.571 5.849 ± 0.7042
ea06 1342 1342/1342 1342 ± 0 5.687 5.097/6.073 5.673 ± 0.6713
ea07 1342 1342/1342 1342 ± 0 5.896 5.093/6.232 5.752 ± 0.7914
ea08 1342 1342/1342 1342 ± 0 6.102 5.527/6.697 6.129 ± 0.7093
ea09 1342 1342/1342 1342 ± 0 5.599 5.183/6.411 5.701 ± 0.6583
ea10 1342 1342/1342 1342 ± 0 5.474 5.261/6.222 5.666 ± 0.603
ea11 1342 1342/1342 1342 ± 0.00004119 5.575 5.152/6.463 5.667 ± 0.8201
ea12 1342 1342/1342 1342 ± 0.00003902 5.504 5.324/6.324 5.694 ± 0.6681
ea14 1342 1342/1342 1342 ± 0.000003059 5.814 5.563/6.617 6.024 ± 0.6418
ea15 1342 1342/1342 1342 ± 0.00003227 5.812 5.68/6.779 6.074 ± 0.8134
ea16 1342 1342/1342 1342 ± 0 6.05 5.735/6.768 6.228 ± 0.7099
ea17 1342 1342/1342 1342 ± 0 6.218 5.679/7.119 6.284 ± 0.7088
ea18 1342 1342/1342 1342 ± 0 6.563 5.918/7.143 6.433 ± 0.758
ea19 1342 1342/1342 1342 ± 0.0000332 5.718 5.465/6.736 5.96 ± 0.7319
ea20 1342 1342/1342 1342 ± 0 6.263 6.02/7.14 6.43 ± 0.7549
ea22 1342 1342/1342 1342 ± 0 5.693 5.32/6.326 5.733 ± 0.6291
ea23 1342 1342/1342 1342 ± 0 5.735 5.544/6.461 5.995 ± 0.6947
ea24 1342 1342/1342 1342 ± 0 6.27 5.348/6.701 5.993 ± 0.7629
ea25 1342 1342/1342 1342 ± 0 6.563 5.651/6.978 6.374 ± 0.9059
ea27 1342 1342/1342 1342 ± 0 5.681 5.466/6.561 5.891 ± 0.7095
ea28 1342 1342/1342 1342 ± 0 6.341 5.821/7.146 6.368 ± 0.7667
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 ± 0.00002392 5.477 5.308/5.706 5.519 ± 0.2766
3 1342 1342/1342 1342 ± 0.00002676 4.269 3.819/4.69 4.275 ± 0.4754
4 1342 1342/1342 1342 ± 0.00002515 4.822 4.688/5.003 4.838 ± 0.2979
5 1342 1342/1342 1342 ± 0.00002392 5.462 5.28/5.751 5.492 ± 0.2991
6 1342 1342/1342 1342 ± 0.00002392 5.448 5.263/5.692 5.46 ± 0.2588
7 1342 1342/1342 1342 ± 0.00002392 5.524 5.363/5.691 5.507 ± 0.2591
8 1342 1342/1342 1342 ± 0.00002392 5.478 5.243/5.666 5.461 ± 0.3049
9 1342 1342/1342 1342 ± 0.00002392 5.75 5.568/5.962 5.771 ± 0.2904
10 1342 1342/1342 1342 ± 0.00002392 6.264 6.041/6.354 6.24 ± 0.2656
11 1342 1342/1342 1342 ± 0.00002392 6.505 6.204/6.633 6.471 ± 0.2897
12 1342 1342/1342 1342 ± 0.00002392 6.641 6.429/6.773 6.633 ± 0.3312
13 1342 1342/1342 1342 ± 0.00002392 7.106 6.883/7.346 7.1 ± 0.3514
14 1342 1342/1342 1342 ± 0.00002392 7.081 6.754/7.395 7.099 ± 0.4205
15 1342 1342/1342 1342 ± 0.00002392 6.88 6.612/7.146 6.871 ± 0.3143
16 1342 1342/1342 1342 ± 0.00004681 5.854 5.62/6.247 5.943 ± 0.4247
17 1342 1342/1342 1342 ± 0.00004667 5.81 5.62/6.198 5.895 ± 0.373
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2025-07-31 22:44:02.057
End
2025-07-31 23:31:15.162
Duration
0:47:13.105
Note, WebLog generation is not included in the time.

CASA logs for stage 8