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

Statwt Summary Plot

VLASS2.2.sb40869292.eb40982614.59542.13818863426_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 6.131 5.842/6.602 6.17 ± 0.7455
ea03 1342 1342/1342 1342 ± 0.00001535 5.642 5.254/6.374 5.772 ± 0.6943
ea04 1342 1342/1342 1342 ± 0 5.619 5.279/6.109 5.718 ± 0.5747
ea05 1342 1342/1342 1342 ± 0 5.94 5.662/6.589 6.118 ± 0.66
ea06 1342 1342/1342 1342 ± 0 6.025 5.635/6.398 6.086 ± 0.5261
ea07 1342 1342/1342 1342 ± 0 5.987 5.484/6.191 5.961 ± 0.5258
ea08 1342 1342/1342 1342 ± 0.00001232 6.096 5.649/6.516 6.143 ± 0.6324
ea09 1342 1342/1342 1342 ± 0.000008346 6.018 5.512/6.553 6.077 ± 0.7154
ea10 1342 1342/1342 1342 ± 0 5.961 5.593/6.631 6.083 ± 0.5771
ea11 1342 1342/1342 1342 ± 0.000008425 6.153 5.475/6.607 6.116 ± 0.6927
ea12 1342 1342/1342 1342 ± 0.00000164 6.043 5.698/6.692 6.215 ± 0.7638
ea13 1342 1342/1342 1342 ± 0 5.997 5.801/6.382 6.125 ± 0.48
ea14 1342 1342/1342 1342 ± 0 6.052 5.62/6.552 6.141 ± 0.6505
ea15 1342 1342/1342 1342 ± 0.00000116 5.523 5.165/5.928 5.59 ± 0.574
ea16 1342 1342/1342 1342 ± 0 6.198 5.849/6.724 6.3 ± 0.6851
ea17 1342 1342/1342 1342 ± 0 6.57 6.212/7.285 6.749 ± 0.6378
ea18 1342 1342/1342 1342 ± 0 5.12 4.895/5.613 5.275 ± 0.4772
ea19 1342 1342/1342 1342 ± 0 6.377 5.943/6.898 6.457 ± 0.6502
ea20 1342 1342/1342 1342 ± 0.00000116 5.89 5.593/6.439 6.021 ± 0.6282
ea21 1342 1342/1342 1342 ± 0 5.718 5.548/6.297 5.938 ± 0.5289
ea22 1342 1342/1342 1342 ± 0.000004637 5.904 5.518/6.445 6.001 ± 0.6166
ea23 1342 1342/1342 1342 ± 0 6.25 5.879/6.612 6.318 ± 0.6847
ea24 1342 1342/1342 1342 ± 0.00002213 6.086 5.351/6.519 5.828 ± 0.8039
ea25 1342 1342/1342 1342 ± 0 6.278 5.735/6.885 6.355 ± 0.7917
ea26 1342 1342/1342 1342 ± 0.00001133 6.383 5.923/7.037 6.459 ± 0.7115
ea27 1342 1342/1342 1342 ± 0 5.855 5.538/6.616 6.039 ± 0.6379
ea28 1342 1342/1342 1342 ± 0 5.955 5.695/6.661 6.183 ± 0.6429
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 5.729 5.476/5.938 5.715 ± 0.2845
3 1342 1342/1342 1342 ± 0.00003443 5.087 4.847/5.231 5.02 ± 0.4974
4 1342 1342/1342 1342 ± 0.00002305 5.525 5.259/5.783 5.522 ± 0.388
5 1342 1342/1342 1342 ± 0.00002305 5.702 5.426/5.898 5.663 ± 0.3321
6 1342 1342/1342 1342 ± 0.00002305 5.618 5.431/5.772 5.583 ± 0.2611
7 1342 1342/1342 1342 ± 0.00002305 5.608 5.409/5.791 5.605 ± 0.2715
8 1342 1342/1342 1342 ± 0.00002305 5.521 5.286/5.693 5.514 ± 0.3106
9 1342 1342/1342 1342 ± 0.00002305 5.811 5.633/6.023 5.786 ± 0.3021
10 1342 1342/1342 1342 ± 0.00002305 6.251 6.096/6.4 6.182 ± 0.3079
11 1342 1342/1342 1342 ± 0.00002305 6.426 6.309/6.596 6.4 ± 0.3019
12 1342 1342/1342 1342 ± 0.00002305 6.61 6.349/6.704 6.547 ± 0.3606
13 1342 1342/1342 1342 ± 0.00002305 7.01 6.791/7.324 7.041 ± 0.3841
14 1342 1342/1342 1342 ± 0.00002305 7.266 7.078/7.556 7.264 ± 0.3899
15 1342 1342/1342 1342 ± 0.00002305 6.897 6.72/7.239 6.941 ± 0.3601
16 1342 1342/1342 1342 ± 0.00002305 6.224 5.978/6.526 6.275 ± 0.3795
17 1342 1342/1342 1342 ± 0.00002305 6.179 5.935/6.474 6.224 ± 0.3651
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.2.sb40869292.eb40982614.59542.13818863426_split_split.ms
Start time
2025-04-23 06:10:12.185
End
2025-04-23 07:15:59.093
Duration
1:05:46.908
Note, WebLog generation is not included in the time.

CASA logs for stage 8