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

Statwt Summary Plot

VLASS2.1.sb38541375.eb38627613.59093.84554634259_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 5.595 5.27/6.075 5.698 ± 0.5471
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.523 5.137/6.077 5.661 ± 0.5559
ea05 1342 1342/1342 1342 ± 0 5.667 5.326/6.281 5.813 ± 0.584
ea06 1342 1342/1342 1342 ± 0 5.086 4.862/5.493 5.171 ± 0.3857
ea07 1342 1342/1342 1342 ± 0 5.847 5.434/6.238 5.948 ± 0.564
ea08 1342 1342/1342 1342 ± 0 5.907 5.456/6.562 6.034 ± 0.665
ea09 1342 1342/1342 1342 ± 0 5.745 5.194/6.396 5.787 ± 0.6206
ea10 1342 1342/1342 1342 ± 0 5.699 5.289/6.537 5.86 ± 0.6681
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.847 5.382/6.375 5.973 ± 0.6286
ea13 1342 1342/1342 1342 ± 0 6.046 5.697/6.345 6.083 ± 0.5074
ea14 1342 1342/1342 1342 ± 0 5.778 5.265/6.343 5.828 ± 0.6397
ea15 1342 1342/1342 1342 ± 0 5.582 5.094/6.141 5.68 ± 0.671
ea16 1342 1342/1342 1342 ± 0 6.115 5.662/6.564 6.205 ± 0.7056
ea17 1342 1342/1342 1342 ± 0.000007025 5.985 5.568/6.454 6.073 ± 0.6264
ea18 1342 1342/1342 1342 ± 0 5.042 4.754/5.455 5.133 ± 0.493
ea19 1342 1342/1342 1342 ± 0 5.983 5.555/6.582 6.14 ± 0.6172
ea20 1342 1342/1342 1342 ± 0 6.133 5.758/6.789 6.246 ± 0.6546
ea21 1342 1342/1342 1342 ± 0 5.607 5.349/6.251 5.788 ± 0.5447
ea22 1342 1342/1342 1342 ± 0 5.679 5.22/6.328 5.782 ± 0.6476
ea23 1342 1342/1342 1342 ± 0 5.963 5.454/6.543 6.049 ± 0.6658
ea25 1342 1342/1342 1342 ± 0 5.517 5.197/6.087 5.644 ± 0.5699
ea26 1342 1342/1342 1342 ± 0 5.957 5.615/6.658 6.11 ± 0.6682
ea27 1342 1342/1342 1342 ± 0.00002809 5.551 5.229/6.353 5.72 ± 0.6094
ea28 1342 1342/1342 1342 ± 0 5.598 5.331/6.335 5.816 ± 0.6473
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 ± 0.00002446 5.418 5.211/5.626 5.402 ± 0.2472
3 1342 1342/1342 1342 ± 0.00002674 5.051 4.89/5.315 5.085 ± 0.2599
4 1342 1342/1342 1342 ± 0.0000246 5.095 4.975/5.297 5.14 ± 0.2822
5 1342 1342/1342 1342 ± 0.00002446 5.38 5.139/5.523 5.344 ± 0.2986
6 1342 1342/1342 1342 ± 0.00002446 5.295 5.136/5.49 5.291 ± 0.2769
7 1342 1342/1342 1342 ± 0.00002446 5.366 5.228/5.559 5.359 ± 0.2448
8 1342 1342/1342 1342 ± 0.00002446 5.362 5.113/5.548 5.316 ± 0.2756
9 1342 1342/1342 1342 ± 0.00002446 5.592 5.436/5.868 5.592 ± 0.3024
10 1342 1342/1342 1342 ± 0.00002446 6.038 5.91/6.215 6.017 ± 0.3012
11 1342 1342/1342 1342 ± 0.00002446 6.291 6.149/6.478 6.237 ± 0.321
12 1342 1342/1342 1342 ± 0.00002446 6.419 6.226/6.562 6.381 ± 0.3407
13 1342 1342/1342 1342 ± 0.00002446 6.809 6.685/7.041 6.8 ± 0.3568
14 1342 1342/1342 1342 ± 0.00002446 6.99 6.797/7.269 6.96 ± 0.3896
15 1342 1342/1342 1342 ± 0.00002446 6.67 6.45/6.838 6.584 ± 0.3745
16 1342 1342/1342 1342 ± 0.00003013 5.993 5.798/6.224 5.966 ± 0.3299
17 1342 1342/1342 1342 ± 0.00002811 5.912 5.784/6.118 5.916 ± 0.3041
output_dir
 
vis
VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-05-01 07:50:55.850
End
2024-05-01 08:54:26.465
Duration
1:03:30.615
Note, WebLog generation is not included in the time.

CASA logs for stage 7