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

Statwt Summary Plot

VLASS3.2.sb45460397.eb46168936.60474.13114186343_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 5.431 5.136/6.255 5.528 ± 0.944
ea02 1342 1342/1342 1342 ± 0.00002942 5.58 5.137/6.315 5.504 ± 0.9875
ea03 1342 1342/1342 1342 ± 0.000003805 5.156 5.096/6.572 5.605 ± 0.9289
ea04 1342 1342/1342 1342 ± 0.00004786 5.094 4.866/6.004 5.176 ± 0.7872
ea05 1342 1342/1342 1342 ± 0.00005045 5.281 5.01/6.295 5.37 ± 0.9407
ea06 1342 1342/1342 1342 ± 0.00001931 4.845 4.691/5.86 5.21 ± 0.7771
ea07 1342 1342/1342 1342 ± 0.0000289 4.932 4.804/6.089 5.284 ± 0.9408
ea08 1342 1342/1342 1342 ± 0.000005304 5.577 5.178/6.605 5.695 ± 0.9684
ea09 1342 1342/1342 1342 ± 0.0000482 5.028 4.764/5.962 5.141 ± 0.7992
ea10 1342 1342/1342 1342 ± 0.00004871 4.834 4.409/5.857 4.967 ± 0.8282
ea11 1342 1342/1342 1342 ± 0.00005116 5.16 4.456/6.279 5.174 ± 0.9815
ea12 1342 1342/1342 1342 ± 0.00004419 5.058 4.88/5.858 5.2 ± 0.7699
ea14 1342 1342/1342 1342 ± 0.00005053 5.326 5.216/6.369 5.502 ± 0.8352
ea15 1342 1342/1342 1342 ± 0.00005078 5.231 4.835/6.44 5.457 ± 0.9662
ea16 1342 1342/1342 1342 ± 0.00001963 5.582 5.103/6.53 5.691 ± 0.9262
ea17 1342 1342/1342 1342 ± 0.00004006 5.397 5.04/6.362 5.581 ± 0.9548
ea18 1342 1342/1342 1342 ± 0 5.503 5.313/6.633 5.789 ± 0.8912
ea19 1342 1342/1342 1342 ± 0.00003932 5.202 5.114/6.225 5.461 ± 0.8414
ea21 1342 1342/1342 1342 ± 0.000004393 4.92 4.749/5.729 5.111 ± 0.7088
ea22 1342 1342/1342 1342 ± 0.000005529 5.457 4.971/6.258 5.494 ± 0.8441
ea23 1342 1342/1342 1342 ± 0.00004868 5.447 5.073/6.273 5.536 ± 0.8784
ea24 1342 1342/1342 1342 ± 0.0000147 5.164 5/6.239 5.529 ± 0.7651
ea25 1342 1342/1342 1342 ± 0.00001241 5.349 5.26/6.713 5.912 ± 0.9801
ea27 1342 1342/1342 1342 ± 0.00001627 5.124 4.914/6.335 5.448 ± 0.8254
ea28 1342 1342/1342 1342 ± 0.00001796 5.607 5.493/6.72 5.848 ± 0.9012
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 5.065 4.864/5.178 5.021 ± 0.3068
4 1342 1342/1342 1342 ± 0.00006043 3.524 3.419/3.946 3.659 ± 0.3391
5 1342 1342/1342 1342 ± 0.00002453 5.092 4.833/5.289 5.084 ± 0.3167
6 1342 1342/1342 1342 ± 0.00002392 5.076 4.874/5.326 5.079 ± 0.2598
7 1342 1342/1342 1342 ± 0.00002392 5.152 5.025/5.266 5.129 ± 0.2286
8 1342 1342/1342 1342 ± 0.00002392 5.103 4.916/5.247 5.089 ± 0.2536
9 1342 1342/1342 1342 ± 0.00002392 5.429 5.258/5.662 5.414 ± 0.2615
10 1342 1342/1342 1342 ± 0.00002392 5.974 5.846/6.136 5.96 ± 0.2577
11 1342 1342/1342 1342 ± 0.00002392 6.296 6.086/6.374 6.25 ± 0.2615
12 1342 1342/1342 1342 ± 0.00002392 6.449 6.248/6.58 6.413 ± 0.3009
13 1342 1342/1342 1342 ± 0.00002402 6.718 6.391/7.032 6.716 ± 0.3423
14 1342 1342/1342 1342 ± 0.00004828 6.009 5.675/6.353 6.1 ± 0.577
15 1342 1342/1342 1342 ± 0.00002392 6.607 6.283/6.907 6.597 ± 0.3678
16 1342 1342/1342 1342 ± 0.00006095 4.244 3.989/4.626 4.322 ± 0.3953
17 1342 1342/1342 1342 ± 0.00006102 4.192 3.995/4.48 4.272 ± 0.3756
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-23 04:53:40.325
End
2025-07-23 06:01:14.794
Duration
1:07:34.470
Note, WebLog generation is not included in the time.

CASA logs for stage 8