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

Statwt Summary Plot

VLASS2.1.sb38508014.eb38518655.59051.788119143515_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 5.409 5.252/6.059 5.458 ± 0.8054
ea02 1342 1342/1342 1342 ± 0.00003819 5.913 5.374/6.408 5.773 ± 0.8615
ea04 1342 1342/1342 1342 ± 0 5.192 4.97/5.987 5.378 ± 0.7066
ea05 1342 1342/1342 1342 ± 0.0000216 5.459 5.11/6.487 5.656 ± 0.7654
ea06 1342 1342/1342 1342 ± 0.000001149 4.9 4.538/5.586 5.003 ± 0.61
ea07 1342 1342/1342 1342 ± 0.00003874 5.804 5.261/6.243 5.738 ± 0.7714
ea08 1342 1342/1342 1342 ± 0.00004404 5.84 5.546/6.638 5.858 ± 0.9689
ea09 1342 1342/1342 1342 ± 0.00002235 5.24 4.962/5.93 5.254 ± 0.7465
ea10 1342 1342/1342 1342 ± 0.00003917 5.045 4.628/5.57 5.025 ± 0.5512
ea11 1342 1342/1342 1342 ± 0.00004056 5.817 5.34/6.557 5.821 ± 0.9493
ea12 1342 1342/1342 1342 ± 0.000001192 5.417 5.179/6.049 5.517 ± 0.8304
ea13 1342 1342/1342 1342 ± 0.00002406 5.805 5.68/6.296 5.747 ± 0.7774
ea14 1342 1342/1342 1342 ± 0.00001474 5.687 5.305/6.577 5.822 ± 0.8035
ea15 1342 1342/1342 1342 ± 0 5.447 5.255/6.368 5.702 ± 0.8803
ea16 1342 1342/1342 1342 ± 0.00003916 5.691 5.441/6.455 5.869 ± 0.9214
ea17 1342 1342/1342 1342 ± 0.00004404 5.793 5.424/6.476 5.78 ± 0.9142
ea18 1342 1342/1342 1342 ± 0.00002704 4.985 4.739/5.708 5.073 ± 0.6473
ea19 1342 1342/1342 1342 ± 0.00001273 5.719 5.51/6.771 5.935 ± 0.8244
ea20 1342 1342/1342 1342 ± 0.000006178 5.862 5.517/6.732 6.056 ± 0.8556
ea21 1342 1342/1342 1342 ± 0.00003123 5.383 5.288/6.286 5.613 ± 0.7628
ea22 1342 1342/1342 1342 ± 0.00004012 5.439 5.221/6.274 5.524 ± 0.8693
ea23 1342 1342/1342 1342 ± 0.00004272 5.724 5.304/6.648 5.863 ± 0.9598
ea24 1342 1342/1342 1342 ± 0.000008979 5.107 4.958/6.126 5.335 ± 0.6963
ea25 1342 1342/1342 1342 ± 0.00004404 5.325 5.244/6.158 5.495 ± 0.8213
ea26 1342 1342/1342 1342 ± 0.00001919 5.709 5.601/6.787 5.879 ± 0.8799
ea27 1342 1342/1342 1342 ± 0.00004005 5.55 5.215/6.481 5.68 ± 0.8037
ea28 1342 1342/1342 1342 ± 0.00004407 5.656 5.378/6.532 5.737 ± 0.8968
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 ± 0.0000231 5.489 5.245/5.659 5.408 ± 0.3121
5 1342 1342/1342 1342 ± 0.0000231 5.258 4.982/5.418 5.213 ± 0.3294
6 1342 1342/1342 1342 ± 0.0000231 5.34 5.122/5.542 5.329 ± 0.2807
7 1342 1342/1342 1342 ± 0.0000231 5.383 5.197/5.527 5.329 ± 0.2776
8 1342 1342/1342 1342 ± 0.0000231 5.359 5.056/5.509 5.275 ± 0.3167
9 1342 1342/1342 1342 ± 0.00002329 5.618 5.319/5.813 5.547 ± 0.3316
10 1342 1342/1342 1342 ± 0.0000231 6.044 5.749/6.166 5.949 ± 0.3291
11 1342 1342/1342 1342 ± 0.0000231 6.305 6.049/6.481 6.239 ± 0.3356
12 1342 1342/1342 1342 ± 0.0000231 6.454 6.247/6.635 6.407 ± 0.3607
13 1342 1342/1342 1342 ± 0.0000231 6.735 6.406/6.967 6.666 ± 0.431
14 1342 1342/1342 1342 ± 0.00003193 6.648 6.229/7.004 6.565 ± 0.5172
15 1342 1342/1342 1342 ± 0.0000231 6.754 6.484/6.935 6.634 ± 0.4479
16 1342 1342/1342 1342 ± 0.00006076 4.152 3.982/4.311 4.157 ± 0.2319
17 1342 1342/1342 1342 ± 0.00006103 4.091 3.953/4.25 4.109 ± 0.228
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38508014.eb38518655.59051.788119143515_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2024-12-06 14:08:56.287
End
2024-12-06 15:20:49.082
Duration
1:11:52.795
Note, WebLog generation is not included in the time.

CASA logs for stage 8