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

Statwt Summary Plot

VLASS2.1.sb38487128.eb38624732.59090.114586261574_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 5.267 5.115/5.983 5.323 ± 0.7561
ea02 1342 1342/1342 1342 ± 0.00004182 5.74 5.086/6.526 5.694 ± 0.932
ea04 1342 1342/1342 1342 ± 0.00000158 5.294 5.199/5.942 5.382 ± 0.718
ea05 1342 1342/1342 1342 ± 0.000013 5.409 5.082/6.225 5.554 ± 0.7446
ea06 1342 1342/1342 1342 ± 0.00000943 5.162 4.583/5.32 4.851 ± 0.7382
ea07 1342 1342/1342 1342 ± 0.00004264 5.64 5.409/6.324 5.657 ± 0.8741
ea08 1342 1342/1342 1342 ± 0.00004192 5.788 5.423/6.668 5.84 ± 0.9577
ea09 1342 1342/1342 1342 ± 0.00002202 5.397 5.044/6.349 5.52 ± 0.7772
ea10 1342 1342/1342 1342 ± 0.00004573 5.601 5.185/6.358 5.599 ± 0.8811
ea11 1342 1342/1342 1342 ± 0.00003945 5.512 5.076/6.265 5.459 ± 0.9344
ea12 1342 1342/1342 1342 ± 0.000006877 5.512 5.361/6.521 5.637 ± 0.9182
ea13 1342 1342/1342 1342 ± 0.0000229 5.819 5.421/6.285 5.848 ± 0.7406
ea14 1342 1342/1342 1342 ± 0.00001833 5.452 5.233/6.408 5.624 ± 0.7879
ea15 1342 1342/1342 1342 ± 0 5.137 4.93/6.134 5.42 ± 0.8227
ea16 1342 1342/1342 1342 ± 0.00002054 5.924 5.514/6.752 5.901 ± 0.8906
ea17 1342 1342/1342 1342 ± 0.00004521 5.792 5.141/6.272 5.625 ± 1.018
ea18 1342 1342/1342 1342 ± 0.00002863 4.811 4.643/5.58 4.856 ± 0.7179
ea19 1342 1342/1342 1342 ± 0.000001117 5.694 5.527/6.647 5.858 ± 0.784
ea20 1342 1342/1342 1342 ± 0.000013 5.754 5.552/6.585 5.824 ± 0.9942
ea21 1342 1342/1342 1342 ± 0.00001815 5.499 5.239/6.167 5.527 ± 0.7436
ea22 1342 1342/1342 1342 ± 0.0000379 5.419 5.044/6.436 5.553 ± 0.8557
ea23 1342 1342/1342 1342 ± 0.0000404 5.569 5.326/6.477 5.714 ± 0.9277
ea25 1342 1342/1342 1342 ± 0.00004215 5.17 4.935/6.094 5.321 ± 0.8085
ea26 1342 1342/1342 1342 ± 0.00003119 5.711 5.459/6.721 5.898 ± 0.8575
ea27 1342 1342/1342 1342 ± 0.00004638 5.361 4.928/6.083 5.378 ± 0.7926
ea28 1342 1342/1342 1342 ± 0.00004333 5.546 5.293/6.446 5.631 ± 0.9257
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 ± 0.00002569 5.279 5.09/5.534 5.31 ± 0.2599
3 1342 1342/1342 1342 ± 0.00003347 5.126 4.839/5.478 5.134 ± 0.4267
5 1342 1342/1342 1342 ± 0.00002422 5.466 5.275/5.624 5.43 ± 0.3173
6 1342 1342/1342 1342 ± 0.00002407 5.361 5.198/5.538 5.347 ± 0.2555
7 1342 1342/1342 1342 ± 0.00002407 5.372 5.206/5.529 5.364 ± 0.2584
8 1342 1342/1342 1342 ± 0.00002407 5.327 5.107/5.439 5.287 ± 0.2317
9 1342 1342/1342 1342 ± 0.00002407 5.576 5.376/5.689 5.505 ± 0.2792
10 1342 1342/1342 1342 ± 0.00002362 5.946 5.723/6.131 5.896 ± 0.321
11 1342 1342/1342 1342 ± 0.00002362 6.239 6.089/6.391 6.166 ± 0.3369
12 1342 1342/1342 1342 ± 0.00002362 6.382 6.221/6.53 6.347 ± 0.345
13 1342 1342/1342 1342 ± 0.00002362 6.694 6.474/6.875 6.644 ± 0.3627
14 1342 1342/1342 1342 ± 0.00002769 6.582 6.277/6.84 6.521 ± 0.4479
15 1342 1342/1342 1342 ± 0.00002408 6.585 6.301/6.857 6.508 ± 0.4742
16 1342 1342/1342 1342 ± 0.00006084 3.894 3.709/4.079 3.901 ± 0.2729
17 1342 1342/1342 1342 ± 0.00006103 4.027 3.858/4.215 4.028 ± 0.2637
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38487128.eb38624732.59090.114586261574_split_split.ms
overwrite_modelcol
False
Start time
2024-04-20 04:18:35.376
End
2024-04-20 05:28:12.111
Duration
1:09:36.735
Note, WebLog generation is not included in the time.

CASA logs for stage 7