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 6.069 5.776/6.827 6.247 ± 0.7631
ea03 1342 1342/1342 1342 ± 0.000001514 5.494 5.004/6.446 5.674 ± 0.8611
ea04 1342 1342/1342 1342 ± 0 5.657 5.2/6.468 5.829 ± 0.8079
ea05 1342 1342/1342 1342 ± 0 6.107 5.533/7.034 6.282 ± 0.7663
ea06 1342 1342/1342 1342 ± 0 6.091 5.442/6.594 6.046 ± 0.7726
ea07 1342 1342/1342 1342 ± 0 6.051 5.411/6.483 5.994 ± 0.8002
ea08 1342 1342/1342 1342 ± 0 5.901 5.392/6.753 6.012 ± 0.8399
ea09 1342 1342/1342 1342 ± 0 5.951 5.467/6.739 6.075 ± 0.8711
ea10 1342 1342/1342 1342 ± 0 6.411 5.565/7.098 6.278 ± 0.8573
ea11 1342 1342/1342 1342 ± 0 6.381 5.304/6.737 6.11 ± 0.8602
ea12 1342 1342/1342 1342 ± 0 6.474 5.606/6.898 6.325 ± 0.8705
ea13 1342 1342/1342 1342 ± 0 5.662 5.545/6.267 5.833 ± 0.6145
ea14 1342 1342/1342 1342 ± 0 6.208 5.602/6.885 6.23 ± 0.9055
ea15 1342 1342/1342 1342 ± 0 5.808 5.317/6.395 5.851 ± 0.7736
ea16 1342 1342/1342 1342 ± 0 6.412 5.741/6.976 6.285 ± 0.9291
ea17 1342 1342/1342 1342 ± 0 6.724 6.088/7.731 6.782 ± 0.9261
ea18 1342 1342/1342 1342 ± 0 5.16 4.682/5.522 5.164 ± 0.5125
ea19 1342 1342/1342 1342 ± 0 6.29 5.745/7.019 6.358 ± 0.9082
ea20 1342 1342/1342 1342 ± 0 5.932 5.433/6.618 5.984 ± 0.8324
ea21 1342 1342/1342 1342 ± 0 5.351 5.011/5.915 5.457 ± 0.5951
ea22 1342 1342/1342 1342 ± 0.000006617 6.347 5.378/6.717 6.055 ± 0.8056
ea23 1342 1342/1342 1342 ± 0 6.374 5.658/6.813 6.315 ± 0.7756
ea24 1342 1342/1342 1342 ± 0.00001799 5.794 5.257/6.59 5.798 ± 0.8123
ea25 1342 1342/1342 1342 ± 0 6.676 5.569/7.155 6.429 ± 0.964
ea26 1342 1342/1342 1342 ± 0 6.443 5.896/7.399 6.546 ± 0.8872
ea27 1342 1342/1342 1342 ± 0 6.15 5.515/6.992 6.182 ± 0.7874
ea28 1342 1342/1342 1342 ± 0 6.082 5.766/7.028 6.365 ± 0.7983
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 ± 0.0000231 5.49 5.243/5.695 5.461 ± 0.3136
3 1342 1342/1342 1342 ± 0.00002723 5.083 4.874/5.259 5.065 ± 0.3894
4 1342 1342/1342 1342 ± 0.00002876 4.314 4.246/4.412 4.381 ± 0.2925
5 1342 1342/1342 1342 ± 0.0000231 5.557 5.254/5.699 5.481 ± 0.3267
6 1342 1342/1342 1342 ± 0.0000231 5.501 5.316/5.734 5.469 ± 0.3061
7 1342 1342/1342 1342 ± 0.0000231 5.56 5.346/5.693 5.526 ± 0.2984
8 1342 1342/1342 1342 ± 0.0000231 5.511 5.256/5.712 5.476 ± 0.3381
9 1342 1342/1342 1342 ± 0.0000231 5.835 5.611/6.062 5.801 ± 0.3398
10 1342 1342/1342 1342 ± 0.0000231 6.453 6.193/6.569 6.353 ± 0.3459
11 1342 1342/1342 1342 ± 0.0000231 6.664 6.426/6.819 6.6 ± 0.3689
12 1342 1342/1342 1342 ± 0.0000231 6.815 6.504/6.995 6.746 ± 0.441
13 1342 1342/1342 1342 ± 0.0000231 7.271 7.035/7.612 7.248 ± 0.4669
14 1342 1342/1342 1342 ± 0.0000231 7.512 7.146/7.736 7.432 ± 0.4756
15 1342 1342/1342 1342 ± 0.0000231 7.095 6.774/7.387 7.065 ± 0.4362
16 1342 1342/1342 1342 ± 0.0000231 6.403 6.181/6.722 6.42 ± 0.4377
17 1342 1342/1342 1342 ± 0.0000231 6.39 6.071/6.58 6.327 ± 0.4864
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-06-11 09:58:08.341
End
2025-06-11 11:12:57.766
Duration
1:14:49.425
Note, WebLog generation is not included in the time.

CASA logs for stage 8