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

Statwt Summary Plot

VLASS3.2.sb45657603.eb46099145.60450.330123067135_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 6.047 5.692/6.684 6.121 ± 0.7397
ea02 1342 1342/1342 1342 ± 0.00000122 6.296 5.621/6.595 6.15 ± 0.7376
ea03 1342 1342/1342 1342 ± 0 6.149 5.487/6.73 6.158 ± 0.6832
ea04 1342 1342/1342 1342 ± 0 5.635 5.145/6.105 5.63 ± 0.7191
ea05 1342 1342/1342 1342 ± 0 5.935 5.407/6.489 5.911 ± 0.8073
ea06 1342 1342/1342 1342 ± 0 5.992 5.179/6.196 5.814 ± 0.6341
ea07 1342 1342/1342 1342 ± 0 5.987 5.389/6.61 6.025 ± 0.7485
ea08 1342 1342/1342 1342 ± 0.00000122 6.469 5.704/6.897 6.4 ± 0.7085
ea09 1342 1342/1342 1342 ± 0 5.694 5.191/6.297 5.72 ± 0.7958
ea10 1342 1342/1342 1342 ± 0 5.766 5.249/6.209 5.674 ± 0.7866
ea11 1342 1342/1342 1342 ± 0 5.674 5.311/6.391 5.747 ± 0.7862
ea12 1342 1342/1342 1342 ± 0 5.519 5.252/6.177 5.674 ± 0.6908
ea13 1342 1342/1342 1342 ± 0 5.961 5.575/6.345 5.875 ± 0.9145
ea14 1342 1342/1342 1342 ± 0 6.021 5.631/6.598 6.032 ± 0.788
ea15 1342 1342/1342 1342 ± 0 6.661 6.501/7.242 6.835 ± 0.4338
ea17 1342 1342/1342 1342 ± 0.00000122 6.263 5.83/6.979 6.309 ± 0.8282
ea18 1342 1342/1342 1342 ± 0 6.325 5.878/6.973 6.413 ± 0.7015
ea19 1342 1342/1342 1342 ± 0.00000122 5.961 5.525/6.563 5.996 ± 0.7466
ea20 1342 1342/1342 1342 ± 0 6.358 5.96/7.017 6.445 ± 0.7415
ea21 1342 1342/1342 1342 ± 0 5.533 5.208/6.035 5.635 ± 0.538
ea22 1342 1342/1342 1342 ± 0 6.25 5.677/6.826 6.274 ± 0.6964
ea23 1342 1342/1342 1342 ± 0 6.064 5.468/6.357 5.972 ± 0.7986
ea24 1342 1342/1342 1342 ± 0 6.194 5.383/6.564 5.965 ± 0.6137
ea25 1342 1342/1342 1342 ± 0 6.595 5.812/7.043 6.529 ± 0.8074
ea27 1342 1342/1342 1342 ± 0 5.697 5.317/6.38 5.786 ± 0.5878
ea28 1342 1342/1342 1342 ± 0 6.284 5.801/7.006 6.42 ± 0.7204
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 ± 0.00002392 5.528 5.386/5.679 5.548 ± 0.235
3 1342 1342/1342 1342 ± 0.00002686 4.291 3.889/4.898 4.357 ± 0.6741
4 1342 1342/1342 1342 ± 0.00002411 5.375 5.132/5.683 5.442 ± 0.3377
5 1342 1342/1342 1342 ± 0.00002399 5.397 5.214/5.632 5.405 ± 0.2961
6 1342 1342/1342 1342 ± 0.00002392 5.477 5.211/5.701 5.443 ± 0.2927
7 1342 1342/1342 1342 ± 0.00002392 5.545 5.386/5.747 5.55 ± 0.2448
8 1342 1342/1342 1342 ± 0.00002392 5.49 5.223/5.694 5.474 ± 0.2873
9 1342 1342/1342 1342 ± 0.00002392 5.739 5.592/5.991 5.783 ± 0.2813
10 1342 1342/1342 1342 ± 0.00002349 6.271 6.145/6.373 6.259 ± 0.2655
11 1342 1342/1342 1342 ± 0.00002349 6.458 6.223/6.641 6.47 ± 0.2675
12 1342 1342/1342 1342 ± 0.00002349 6.576 6.369/6.816 6.598 ± 0.3178
13 1342 1342/1342 1342 ± 0.00002349 7.1 6.731/7.28 7.039 ± 0.3368
14 1342 1342/1342 1342 ± 0.00002349 7.257 6.903/7.557 7.229 ± 0.3492
15 1342 1342/1342 1342 ± 0.00002349 6.867 6.574/7.209 6.89 ± 0.3626
16 1342 1342/1342 1342 ± 0.00002349 6.262 6.036/6.721 6.352 ± 0.4056
17 1342 1342/1342 1342 ± 0.00002349 6.277 5.995/6.639 6.29 ± 0.3953
output_dir
 
vis
VLASS3.2.sb45657603.eb46099145.60450.330123067135_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-30 00:42:06.637
End
2025-07-30 01:33:43.620
Duration
0:51:36.983
Note, WebLog generation is not included in the time.

CASA logs for stage 8