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

Statwt Summary Plot

VLASS2.2.sb40494768.eb40985466.59543.05917478009_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 5.977 5.592/6.42 6.08 ± 0.5576
ea03 1342 1342/1342 1342 ± 0 5.408 5.159/6.458 5.711 ± 0.646
ea04 1342 1342/1342 1342 ± 0 5.749 5.325/6.17 5.86 ± 0.5625
ea05 1342 1342/1342 1342 ± 0 5.886 5.645/6.762 6.149 ± 0.668
ea06 1342 1342/1342 1342 ± 0 6.127 5.581/6.452 6.07 ± 0.5728
ea07 1342 1342/1342 1342 ± 0 6.115 5.52/6.36 6.061 ± 0.5674
ea08 1342 1342/1342 1342 ± 0 5.85 5.4/6.412 5.961 ± 0.5986
ea09 1342 1342/1342 1342 ± 0 5.822 5.233/6.419 5.909 ± 0.6512
ea10 1342 1342/1342 1342 ± 0 5.901 5.606/6.658 6.084 ± 0.6201
ea11 1342 1342/1342 1342 ± 0 6.21 5.525/6.751 6.227 ± 0.7342
ea12 1342 1342/1342 1342 ± 0 6.173 5.676/6.742 6.31 ± 0.6554
ea13 1342 1342/1342 1342 ± 0 5.964 5.525/6.368 6.045 ± 0.5056
ea14 1342 1342/1342 1342 ± 0 6.143 5.658/6.683 6.249 ± 0.638
ea15 1342 1342/1342 1342 ± 0 5.469 5.027/5.876 5.51 ± 0.5327
ea16 1342 1342/1342 1342 ± 0 6.371 5.94/6.94 6.489 ± 0.7132
ea17 1342 1342/1342 1342 ± 0 6.537 6.15/7.545 6.813 ± 0.7209
ea18 1342 1342/1342 1342 ± 0 5.196 4.874/5.657 5.296 ± 0.518
ea19 1342 1342/1342 1342 ± 0 6.369 5.919/7.1 6.496 ± 0.6768
ea20 1342 1342/1342 1342 ± 0 5.838 5.63/6.685 6.084 ± 0.6069
ea21 1342 1342/1342 1342 ± 0.00001451 5.72 5.464/6.437 5.975 ± 0.5811
ea22 1342 1342/1342 1342 ± 0 6.199 5.569/6.573 6.118 ± 0.6203
ea23 1342 1342/1342 1342 ± 0 6.071 5.792/6.773 6.337 ± 0.6584
ea24 1342 1342/1342 1342 ± 0 5.914 5.083/6.364 5.756 ± 0.6257
ea25 1342 1342/1342 1342 ± 0 6.596 5.824/6.956 6.549 ± 0.7757
ea26 1342 1342/1342 1342 ± 0 6.086 5.559/6.784 6.169 ± 0.7071
ea27 1342 1342/1342 1342 ± 0 5.793 5.538/6.732 6.076 ± 0.6837
ea28 1342 1342/1342 1342 ± 0 5.872 5.656/6.772 6.196 ± 0.6433
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 5.624 5.392/5.9 5.62 ± 0.3111
4 1342 1342/1342 1342 ± 0.00002418 5.305 5.182/5.543 5.382 ± 0.3885
5 1342 1342/1342 1342 ± 0.00002305 5.571 5.322/5.755 5.52 ± 0.3497
6 1342 1342/1342 1342 ± 0.00002305 5.577 5.304/5.737 5.547 ± 0.2696
7 1342 1342/1342 1342 ± 0.00002305 5.535 5.361/5.661 5.521 ± 0.2764
8 1342 1342/1342 1342 ± 0.00002305 5.444 5.218/5.742 5.469 ± 0.331
9 1342 1342/1342 1342 ± 0.00002305 5.838 5.537/5.944 5.758 ± 0.3412
10 1342 1342/1342 1342 ± 0.00002305 6.27 6.09/6.406 6.196 ± 0.3278
11 1342 1342/1342 1342 ± 0.00002305 6.454 6.214/6.639 6.424 ± 0.3141
12 1342 1342/1342 1342 ± 0.00002305 6.662 6.351/6.777 6.572 ± 0.3753
13 1342 1342/1342 1342 ± 0.00002305 6.944 6.826/7.404 7.063 ± 0.4301
14 1342 1342/1342 1342 ± 0.00002305 7.212 7.031/7.576 7.251 ± 0.43
15 1342 1342/1342 1342 ± 0.00002305 6.91 6.732/7.17 6.922 ± 0.3873
16 1342 1342/1342 1342 ± 0.00002305 6.131 5.848/6.375 6.139 ± 0.4527
17 1342 1342/1342 1342 ± 0.00002531 5.998 5.716/6.238 5.995 ± 0.4041
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.2.sb40494768.eb40985466.59543.05917478009_split_split.ms
Start time
2025-05-08 09:35:33.693
End
2025-05-08 10:06:55.969
Duration
0:31:22.276
Note, WebLog generation is not included in the time.

CASA logs for stage 8