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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.591 5.936/7.26 6.519 ± 0.8202
ea03 1342 1342/1342 1342 ± 0 6.242 5.454/6.847 6.141 ± 0.7532
ea04 1342 1342/1342 1342 ± 0 6.02 5.538/6.458 6.102 ± 0.607
ea05 1342 1342/1342 1342 ± 0 6.197 5.825/7.133 6.457 ± 0.7349
ea06 1342 1342/1342 1342 ± 0 6.246 5.723/6.638 6.27 ± 0.5776
ea07 1342 1342/1342 1342 ± 0 6.262 5.649/6.378 6.209 ± 0.5892
ea08 1342 1342/1342 1342 ± 0 6.742 5.785/6.954 6.531 ± 0.7417
ea09 1342 1342/1342 1342 ± 0 6.23 5.737/7.044 6.453 ± 0.7534
ea10 1342 1342/1342 1342 ± 0 6.191 5.906/7.062 6.446 ± 0.6628
ea11 1342 1342/1342 1342 ± 0.000003192 6.285 5.621/6.958 6.366 ± 0.7855
ea12 1342 1342/1342 1342 ± 0 6.42 5.868/6.908 6.507 ± 0.7101
ea13 1342 1342/1342 1342 ± 0 6.087 5.99/6.536 6.275 ± 0.474
ea14 1342 1342/1342 1342 ± 0 6.266 5.925/6.992 6.494 ± 0.6848
ea15 1342 1342/1342 1342 ± 0 5.275 5.037/5.882 5.452 ± 0.5259
ea16 1342 1342/1342 1342 ± 0 6.48 5.943/7.105 6.594 ± 0.7422
ea17 1342 1342/1342 1342 ± 0 6.655 6.112/7.474 6.828 ± 0.7568
ea18 1342 1342/1342 1342 ± 0 5.287 4.966/5.682 5.344 ± 0.4453
ea19 1342 1342/1342 1342 ± 0 6.508 6.178/7.501 6.803 ± 0.7464
ea20 1342 1342/1342 1342 ± 0 6.013 5.863/7.019 6.352 ± 0.6605
ea21 1342 1342/1342 1342 ± 0 5.889 5.685/6.723 6.182 ± 0.6219
ea22 1342 1342/1342 1342 ± 0 6.252 5.481/6.782 6.143 ± 0.6885
ea23 1342 1342/1342 1342 ± 0 6.138 5.942/7.066 6.527 ± 0.7436
ea24 1342 1342/1342 1342 ± 0 6.311 5.405/6.625 6.094 ± 0.6201
ea25 1342 1342/1342 1342 ± 0 6.658 5.89/6.974 6.623 ± 0.7858
ea26 1342 1342/1342 1342 ± 0 6.654 6.083/7.369 6.72 ± 0.7901
ea27 1342 1342/1342 1342 ± 0 6.342 5.867/7.158 6.458 ± 0.7556
ea28 1342 1342/1342 1342 ± 0 6.381 5.98/7.161 6.602 ± 0.7374
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 5.877 5.623/6.065 5.834 ± 0.343
3 1342 1342/1342 1342 ± 0.00002359 5.546 5.342/5.673 5.488 ± 0.3061
4 1342 1342/1342 1342 ± 0.00003662 5.393 5.256/5.986 5.498 ± 0.5342
5 1342 1342/1342 1342 ± 0.00002305 5.823 5.503/5.961 5.713 ± 0.3584
6 1342 1342/1342 1342 ± 0.00002305 5.779 5.48/5.946 5.722 ± 0.2968
7 1342 1342/1342 1342 ± 0.00002305 5.868 5.561/5.963 5.757 ± 0.3064
8 1342 1342/1342 1342 ± 0.00002305 5.731 5.455/5.979 5.706 ± 0.3429
9 1342 1342/1342 1342 ± 0.00002305 6.118 5.786/6.289 6.022 ± 0.3574
10 1342 1342/1342 1342 ± 0.00002305 6.592 6.345/6.73 6.48 ± 0.3672
11 1342 1342/1342 1342 ± 0.00002305 6.802 6.609/6.999 6.73 ± 0.3785
12 1342 1342/1342 1342 ± 0.00002306 6.966 6.628/7.105 6.871 ± 0.4391
13 1342 1342/1342 1342 ± 0.00002305 7.466 7.111/7.786 7.406 ± 0.4724
14 1342 1342/1342 1342 ± 0.00002305 7.741 7.392/7.981 7.63 ± 0.4722
15 1342 1342/1342 1342 ± 0.00002305 7.17 6.88/7.538 7.151 ± 0.4918
16 1342 1342/1342 1342 ± 0.00002305 6.344 6.129/6.775 6.414 ± 0.4807
17 1342 1342/1342 1342 ± 0.00002305 6.392 6.087/6.557 6.354 ± 0.4592
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
datacolumn
residual_data
Start time
2025-06-07 12:07:37.449
End
2025-06-07 13:10:04.085
Duration
1:02:26.636
Note, WebLog generation is not included in the time.

CASA logs for stage 8