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

Statwt Summary Plot

VLASS2.1.sb38618574.eb38632962.59098.03251238426_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 5.215/5.941 5.618 ± 0.5148
ea02 1342 1342/1342 1342 ± 0 5.545 5.315/6.366 5.876 ± 0.6403
ea04 1342 1342/1342 1342 ± 0 5.402 5.042/5.973 5.556 ± 0.571
ea05 1342 1342/1342 1342 ± 0 5.604 5.18/6.092 5.695 ± 0.5861
ea06 1342 1342/1342 1342 ± 0 4.902 4.619/5.397 5.014 ± 0.4601
ea07 1342 1342/1342 1342 ± 0 5.923 5.368/6.15 5.915 ± 0.5811
ea08 1342 1342/1342 1342 ± 0 5.661 5.415/6.527 5.988 ± 0.6797
ea09 1342 1342/1342 1342 ± 0 5.51 5.159/6.214 5.679 ± 0.6223
ea10 1342 1342/1342 1342 ± 0 5.82 5.217/6.494 5.849 ± 0.6666
ea11 1342 1342/1342 1342 ± 0 5.701 5.281/6.29 5.818 ± 0.6491
ea12 1342 1342/1342 1342 ± 0 5.677 5.277/6.316 5.874 ± 0.6425
ea13 1342 1342/1342 1342 ± 0 6.009 5.767/6.334 6.111 ± 0.4983
ea14 1342 1342/1342 1342 ± 0 5.684 5.194/6.272 5.778 ± 0.6594
ea15 1342 1342/1342 1342 ± 0 5.509 5.025/6.119 5.657 ± 0.6802
ea16 1342 1342/1342 1342 ± 0 5.988 5.565/6.659 6.173 ± 0.7082
ea17 1342 1342/1342 1342 ± 0.000004431 5.812 5.511/6.384 5.989 ± 0.6239
ea18 1342 1342/1342 1342 ± 0 4.946 4.625/5.374 5.048 ± 0.5128
ea19 1342 1342/1342 1342 ± 0 5.907 5.491/6.587 6.128 ± 0.6698
ea20 1342 1342/1342 1342 ± 0 5.975 5.587/6.666 6.139 ± 0.6452
ea21 1342 1342/1342 1342 ± 0 5.61 5.287/6.187 5.775 ± 0.5656
ea22 1342 1342/1342 1342 ± 0 5.435 5.195/6.338 5.736 ± 0.6553
ea23 1342 1342/1342 1342 ± 0 5.891 5.38/6.314 5.977 ± 0.6762
ea25 1342 1342/1342 1342 ± 0 5.355 5.129/5.982 5.569 ± 0.5681
ea26 1342 1342/1342 1342 ± 0 5.89 5.581/6.593 6.104 ± 0.6446
ea27 1342 1342/1342 1342 ± 0.00002127 5.448 5.173/6.23 5.652 ± 0.5727
ea28 1342 1342/1342 1342 ± 0.000028 5.543 5.278/6.318 5.789 ± 0.6328
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 ± 0.00002351 5.292 5.163/5.552 5.332 ± 0.2643
3 1342 1342/1342 1342 ± 0.00002396 5.286 5.111/5.488 5.286 ± 0.274
4 1342 1342/1342 1342 ± 0.00002384 5.227 5.028/5.364 5.157 ± 0.3038
5 1342 1342/1342 1342 ± 0.00002351 5.262 5.024/5.414 5.231 ± 0.3155
6 1342 1342/1342 1342 ± 0.00002351 5.198 5.004/5.382 5.186 ± 0.296
7 1342 1342/1342 1342 ± 0.00002351 5.283 5.076/5.437 5.247 ± 0.2732
8 1342 1342/1342 1342 ± 0.00002351 5.291 5.021/5.42 5.216 ± 0.2791
9 1342 1342/1342 1342 ± 0.00002351 5.508 5.361/5.774 5.496 ± 0.3226
10 1342 1342/1342 1342 ± 0.00002351 5.959 5.786/6.126 5.931 ± 0.302
11 1342 1342/1342 1342 ± 0.00002351 6.229 6.058/6.322 6.165 ± 0.3137
12 1342 1342/1342 1342 ± 0.00002351 6.362 6.165/6.52 6.329 ± 0.3399
13 1342 1342/1342 1342 ± 0.00002351 6.79 6.708/6.973 6.777 ± 0.3576
14 1342 1342/1342 1342 ± 0.00002351 6.965 6.76/7.189 6.947 ± 0.3931
15 1342 1342/1342 1342 ± 0.00002351 6.667 6.42/6.827 6.576 ± 0.386
16 1342 1342/1342 1342 ± 0.0000297 5.88 5.548/6.181 5.868 ± 0.3848
17 1342 1342/1342 1342 ± 0.00003085 5.848 5.48/6.125 5.826 ± 0.3786
vis
VLASS2.1.sb38618574.eb38632962.59098.03251238426_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2024-12-17 06:58:15.125
End
2024-12-17 08:00:46.668
Duration
1:02:31.543
Note, WebLog generation is not included in the time.

CASA logs for stage 8