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 6.601 5.944/7.25 6.521 ± 0.8245
ea03 1342 1342/1342 1342 ± 0 6.249 5.464/6.841 6.147 ± 0.7554
ea04 1342 1342/1342 1342 ± 0 6.021 5.527/6.463 6.099 ± 0.6047
ea05 1342 1342/1342 1342 ± 0 6.187 5.83/7.111 6.448 ± 0.734
ea06 1342 1342/1342 1342 ± 0 6.261 5.744/6.653 6.286 ± 0.5819
ea07 1342 1342/1342 1342 ± 0 6.249 5.657/6.366 6.203 ± 0.5846
ea08 1342 1342/1342 1342 ± 0 6.753 5.792/6.95 6.54 ± 0.7373
ea09 1342 1342/1342 1342 ± 0 6.251 5.748/7.051 6.458 ± 0.7531
ea10 1342 1342/1342 1342 ± 0 6.18 5.925/7.066 6.445 ± 0.6656
ea11 1342 1342/1342 1342 ± 0.000004803 6.317 5.622/6.952 6.371 ± 0.7831
ea12 1342 1342/1342 1342 ± 0 6.45 5.884/6.93 6.517 ± 0.7104
ea13 1342 1342/1342 1342 ± 0 6.1 5.977/6.528 6.276 ± 0.4766
ea14 1342 1342/1342 1342 ± 0 6.272 5.937/6.988 6.503 ± 0.6872
ea15 1342 1342/1342 1342 ± 0 5.3 5.05/5.884 5.46 ± 0.521
ea16 1342 1342/1342 1342 ± 0 6.454 5.947/7.105 6.594 ± 0.7451
ea17 1342 1342/1342 1342 ± 0 6.655 6.111/7.522 6.837 ± 0.7599
ea18 1342 1342/1342 1342 ± 0 5.291 4.965/5.676 5.35 ± 0.4459
ea19 1342 1342/1342 1342 ± 0 6.504 6.183/7.491 6.805 ± 0.7428
ea20 1342 1342/1342 1342 ± 0 6.036 5.869/7.051 6.362 ± 0.6587
ea21 1342 1342/1342 1342 ± 0 5.907 5.699/6.736 6.188 ± 0.6183
ea22 1342 1342/1342 1342 ± 0 6.281 5.494/6.774 6.149 ± 0.6831
ea23 1342 1342/1342 1342 ± 0 6.144 5.988/7.06 6.534 ± 0.7367
ea24 1342 1342/1342 1342 ± 0 6.312 5.4/6.627 6.09 ± 0.6306
ea25 1342 1342/1342 1342 ± 0 6.631 5.906/6.963 6.624 ± 0.7853
ea26 1342 1342/1342 1342 ± 0 6.656 6.097/7.357 6.718 ± 0.7992
ea27 1342 1342/1342 1342 ± 0 6.325 5.884/7.149 6.456 ± 0.7537
ea28 1342 1342/1342 1342 ± 0 6.37 5.988/7.162 6.603 ± 0.7369
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 5.899 5.631/6.077 5.841 ± 0.3432
3 1342 1342/1342 1342 ± 0.00002374 5.525 5.32/5.659 5.475 ± 0.3079
4 1342 1342/1342 1342 ± 0.00003662 5.399 5.251/6 5.504 ± 0.5375
5 1342 1342/1342 1342 ± 0.00002305 5.833 5.502/5.971 5.719 ± 0.359
6 1342 1342/1342 1342 ± 0.00002305 5.79 5.478/5.952 5.732 ± 0.2982
7 1342 1342/1342 1342 ± 0.00002305 5.87 5.562/5.974 5.764 ± 0.3063
8 1342 1342/1342 1342 ± 0.00002305 5.74 5.457/5.989 5.712 ± 0.3446
9 1342 1342/1342 1342 ± 0.00002305 6.13 5.783/6.301 6.026 ± 0.3587
10 1342 1342/1342 1342 ± 0.00002305 6.599 6.327/6.719 6.482 ± 0.366
11 1342 1342/1342 1342 ± 0.00002305 6.809 6.606/6.992 6.73 ± 0.3762
12 1342 1342/1342 1342 ± 0.00002305 6.958 6.631/7.106 6.87 ± 0.4378
13 1342 1342/1342 1342 ± 0.00002305 7.46 7.114/7.777 7.407 ± 0.4722
14 1342 1342/1342 1342 ± 0.00002305 7.75 7.386/7.977 7.634 ± 0.4734
15 1342 1342/1342 1342 ± 0.00002305 7.184 6.877/7.555 7.157 ± 0.4882
16 1342 1342/1342 1342 ± 0.00002305 6.335 6.126/6.779 6.423 ± 0.4795
17 1342 1342/1342 1342 ± 0.00002305 6.397 6.096/6.568 6.357 ± 0.463
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
statwtmode
VLASS-SE
Start time
2025-06-07 15:36:16.580
End
2025-06-07 16:36:46.108
Duration
1:00:29.529
Note, WebLog generation is not included in the time.

CASA logs for stage 8