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

Statwt Summary Plot

VLASS2.2.sb40880919.eb41034540.59559.16303170139_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 6.278 5.953/6.842 6.414 ± 0.5697
ea03 1342 1342/1342 1342 ± 0 5.673 5.169/6.707 5.863 ± 0.7284
ea04 1342 1342/1342 1342 ± 0 6.23 5.693/6.765 6.303 ± 0.6906
ea05 1342 1342/1342 1342 ± 0 6.139 5.809/7.056 6.357 ± 0.7293
ea06 1342 1342/1342 1342 ± 0 6.463 5.825/6.802 6.34 ± 0.6387
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0 5.882 5.592/6.694 6.133 ± 0.6139
ea09 1342 1342/1342 1342 ± 0 6.161 5.531/6.924 6.227 ± 0.6897
ea10 1342 1342/1342 1342 ± 0 7.072 6.785/7.32 7.028 ± 0.4182
ea11 1342 1342/1342 1342 ± 0 6.32 5.574/6.833 6.307 ± 0.7302
ea12 1342 1342/1342 1342 ± 0 6.538 5.854/7 6.552 ± 0.7019
ea13 1342 1342/1342 1342 ± 0 5.803 5.456/6.223 5.902 ± 0.4248
ea14 1342 1342/1342 1342 ± 0 6.6 5.834/6.992 6.534 ± 0.7184
ea15 1342 1342/1342 1342 ± 0 6.081 5.434/6.579 6.059 ± 0.6631
ea16 1342 1342/1342 1342 ± 0 6.517 5.872/7.031 6.553 ± 0.7404
ea17 1342 1342/1342 1342 ± 0 6.837 6.371/7.85 7.061 ± 0.7511
ea18 1342 1342/1342 1342 ± 0 5.224 4.829/5.659 5.276 ± 0.5497
ea19 1342 1342/1342 1342 ± 0 6.727 5.951/7.272 6.642 ± 0.7115
ea20 1342 1342/1342 1342 ± 0 5.938 5.55/6.712 6.09 ± 0.6191
ea21 1342 1342/1342 1342 ± 0 5.446 5.194/6.027 5.641 ± 0.4882
ea22 1342 1342/1342 1342 ± 0 6.276 5.499/6.637 6.139 ± 0.6239
ea23 1342 1342/1342 1342 ± 0 6.314 5.866/6.918 6.484 ± 0.7012
ea24 1342 1342/1342 1342 ± 0 6.045 5.435/6.594 5.992 ± 0.5848
ea25 1342 1342/1342 1342 ± 0 6.85 5.987/7.238 6.716 ± 0.821
ea26 1342 1342/1342 1342 ± 0 6.673 6.097/7.487 6.738 ± 0.7127
ea27 1342 1342/1342 1342 ± 0 6.11 5.718/7.039 6.332 ± 0.6915
ea28 1342 1342/1342 1342 ± 0 6.231 5.923/7.107 6.503 ± 0.6756
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 5.728 5.529/6.019 5.728 ± 0.336
4 1342 1342/1342 1342 ± 0.00002392 5.388 5.212/5.711 5.442 ± 0.4304
5 1342 1342/1342 1342 ± 0.00002392 5.799 5.463/5.916 5.687 ± 0.3539
6 1342 1342/1342 1342 ± 0.00002392 5.68 5.458/5.847 5.621 ± 0.3052
7 1342 1342/1342 1342 ± 0.00002392 5.782 5.539/5.928 5.712 ± 0.319
8 1342 1342/1342 1342 ± 0.00002392 5.653 5.417/5.924 5.667 ± 0.3704
9 1342 1342/1342 1342 ± 0.00002392 6.005 5.759/6.235 5.97 ± 0.3594
10 1342 1342/1342 1342 ± 0.00002348 6.554 6.231/6.699 6.444 ± 0.3541
11 1342 1342/1342 1342 ± 0.00002348 6.778 6.548/6.959 6.695 ± 0.3696
12 1342 1342/1342 1342 ± 0.00002348 6.886 6.639/7.044 6.829 ± 0.4385
13 1342 1342/1342 1342 ± 0.00002348 7.359 7.043/7.692 7.306 ± 0.4918
14 1342 1342/1342 1342 ± 0.00002348 7.533 7.243/7.844 7.472 ± 0.5027
15 1342 1342/1342 1342 ± 0.00002348 7.085 6.85/7.45 7.102 ± 0.4511
16 1342 1342/1342 1342 ± 0.00002348 6.374 6.081/6.745 6.384 ± 0.4968
17 1342 1342/1342 1342 ± 0.00002348 6.311 6.041/6.673 6.303 ± 0.4949
output_dir
 
datacolumn
residual_data
vis
VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-06-12 05:27:40.258
End
2025-06-12 06:27:27.574
Duration
0:59:47.316
Note, WebLog generation is not included in the time.

CASA logs for stage 8