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

Statwt Summary Plot

VLASS2.1.sb38617989.eb38636486.59099.9471230787_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 5.269 4.959/5.74 5.412 ± 0.5316
ea02 1342 1342/1342 1342 ± 0 5.47 5.142/6.196 5.724 ± 0.6341
ea04 1342 1342/1342 1342 ± 0 5.186 4.887/5.895 5.405 ± 0.5696
ea05 1342 1342/1342 1342 ± 0 5.409 5.047/5.941 5.523 ± 0.5879
ea06 1342 1342/1342 1342 ± 0 4.899 4.514/5.39 4.967 ± 0.5117
ea07 1342 1342/1342 1342 ± 0 5.665 5.142/5.953 5.667 ± 0.5763
ea08 1342 1342/1342 1342 ± 0 5.657 5.197/6.299 5.817 ± 0.6528
ea09 1342 1342/1342 1342 ± 0 5.338 5.011/6.035 5.519 ± 0.6099
ea10 1342 1342/1342 1342 ± 0 5.589 4.951/6.256 5.602 ± 0.6839
ea11 1342 1342/1342 1342 ± 0 5.551 4.909/6.032 5.547 ± 0.6425
ea12 1342 1342/1342 1342 ± 0 5.461 5.047/6.129 5.657 ± 0.6548
ea13 1342 1342/1342 1342 ± 0 5.746 5.441/6.091 5.85 ± 0.499
ea14 1342 1342/1342 1342 ± 0 5.468 4.947/6.085 5.559 ± 0.6651
ea15 1342 1342/1342 1342 ± 0 5.293 4.807/5.988 5.451 ± 0.6827
ea16 1342 1342/1342 1342 ± 0 5.793 5.33/6.458 5.944 ± 0.7247
ea17 1342 1342/1342 1342 ± 0 5.652 5.217/6.179 5.749 ± 0.6202
ea18 1342 1342/1342 1342 ± 0 4.746 4.484/5.228 4.884 ± 0.5073
ea19 1342 1342/1342 1342 ± 0 5.67 5.261/6.401 5.868 ± 0.6499
ea20 1342 1342/1342 1342 ± 0 5.829 5.409/6.494 5.99 ± 0.6695
ea21 1342 1342/1342 1342 ± 0 5.441 5.074/5.944 5.549 ± 0.5622
ea22 1342 1342/1342 1342 ± 0 5.286 4.911/5.949 5.477 ± 0.6649
ea23 1342 1342/1342 1342 ± 0 5.692 5.128/6.179 5.77 ± 0.6828
ea25 1342 1342/1342 1342 ± 0 5.277 4.91/5.766 5.389 ± 0.5571
ea26 1342 1342/1342 1342 ± 0 5.675 5.316/6.352 5.86 ± 0.6598
ea27 1342 1342/1342 1342 ± 0 5.261 4.925/6.08 5.465 ± 0.5918
ea28 1342 1342/1342 1342 ± 0.00002242 5.399 5.086/6.111 5.608 ± 0.6405
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 ± 0.00002349 5.025 4.866/5.241 5.031 ± 0.2408
3 1342 1342/1342 1342 ± 0.00002349 5.033 4.891/5.16 5.021 ± 0.2317
4 1342 1342/1342 1342 ± 0.00002349 4.918 4.757/5.138 4.928 ± 0.2988
5 1342 1342/1342 1342 ± 0.00002349 5.036 4.786/5.141 5 ± 0.292
6 1342 1342/1342 1342 ± 0.00002349 5.051 4.842/5.282 5.044 ± 0.2751
7 1342 1342/1342 1342 ± 0.00002349 5.072 4.91/5.195 5.051 ± 0.2384
8 1342 1342/1342 1342 ± 0.00002349 5.085 4.839/5.201 5.028 ± 0.257
9 1342 1342/1342 1342 ± 0.00002349 5.319 5.213/5.546 5.32 ± 0.2936
10 1342 1342/1342 1342 ± 0.00002349 5.776 5.621/5.912 5.74 ± 0.2833
11 1342 1342/1342 1342 ± 0.00002349 6.037 5.853/6.127 5.958 ± 0.2934
12 1342 1342/1342 1342 ± 0.00002349 6.126 5.881/6.303 6.053 ± 0.4292
13 1342 1342/1342 1342 ± 0.00002349 6.538 6.442/6.691 6.54 ± 0.3226
14 1342 1342/1342 1342 ± 0.00002349 6.776 6.553/6.949 6.726 ± 0.3537
15 1342 1342/1342 1342 ± 0.00002349 6.44 6.237/6.666 6.401 ± 0.3427
16 1342 1342/1342 1342 ± 0.00002502 5.761 5.506/5.96 5.767 ± 0.3368
17 1342 1342/1342 1342 ± 0.00002774 5.745 5.549/6.027 5.781 ± 0.3331
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
statwtmode
VLASS-SE
Start time
2025-01-08 14:54:36.197
End
2025-01-08 15:51:33.331
Duration
0:56:57.135
Note, WebLog generation is not included in the time.

CASA logs for stage 8