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

Statwt Summary Plot

VLASS2.1.sb38484347.eb38556700.59065.64805841435_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 5.466 5.344/6.171 5.697 ± 0.5475
ea02 1342 1342/1342 1342 ± 0.00003623 5.758 5.333/6.461 5.898 ± 0.6465
ea04 1342 1342/1342 1342 ± 0 5.34 5.088/5.892 5.508 ± 0.5583
ea05 1342 1342/1342 1342 ± 0.00001338 5.66 5.26/6.343 5.881 ± 0.6055
ea06 1342 1342/1342 1342 ± 0 3.06 2.78/3.397 3.106 ± 0.3801
ea07 1342 1342/1342 1342 ± 0 5.725 5.578/5.89 5.76 ± 0.2055
ea08 1342 1342/1342 1342 ± 0.0000386 6.03 5.714/6.907 6.205 ± 0.764
ea09 1342 1342/1342 1342 ± 0.000004736 5.278 5.083/5.936 5.519 ± 0.518
ea10 1342 1342/1342 1342 ± 0.00004273 5.687 5.328/6.572 5.831 ± 0.684
ea11 1342 1342/1342 1342 ± 0.00002537 5.932 5.541/6.57 5.947 ± 0.7637
ea12 1342 1342/1342 1342 ± 0 5.76 5.63/6.559 5.98 ± 0.7313
ea13 1342 1342/1342 1342 ± 0.000003553 5.771 5.461/6.147 5.866 ± 0.5121
ea14 1342 1342/1342 1342 ± 0.00002153 5.732 5.41/6.629 5.964 ± 0.7021
ea15 1342 1342/1342 1342 ± 0 5.516 5.387/6.247 5.791 ± 0.6483
ea16 1342 1342/1342 1342 ± 0.00001826 4.976 4.618/5.468 5.071 ± 0.4497
ea17 1342 1342/1342 1342 ± 0.00004261 5.995 5.554/6.975 6.074 ± 0.786
ea18 1342 1342/1342 1342 ± 0.000006898 5.104 4.964/5.786 5.252 ± 0.5695
ea19 1342 1342/1342 1342 ± 0.00001238 6.704 6.025/7.014 6.445 ± 0.7747
ea20 1342 1342/1342 1342 ± 0 6.156 6.023/7.01 6.324 ± 0.8062
ea21 1342 1342/1342 1342 ± 0.00002091 5.896 5.432/6.445 5.93 ± 0.6319
ea22 1342 1342/1342 1342 ± 0.00002308 5.277 5.142/6.236 5.594 ± 0.5948
ea23 1342 1342/1342 1342 ± 0.00003186 5.896 5.572/6.603 5.997 ± 0.7782
ea25 1342 1342/1342 1342 ± 0.00004107 5.277 4.411/5.492 4.933 ± 0.7396
ea26 1342 1342/1342 1342 ± 0.000008605 5.62 5.471/6.579 5.988 ± 0.6223
ea27 1342 1342/1342 1342 ± 0.00004263 5.659 5.283/6.55 5.82 ± 0.6761
ea28 1342 1342/1342 1342 ± 0.00005288 6.442 5.856/6.89 6.194 ± 0.8248
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 ± 0.0000244 5.396 5.253/5.563 5.274 ± 0.6754
5 1342 1342/1342 1342 ± 0.00002446 5.498 5.327/5.726 5.398 ± 0.6334
6 1342 1342/1342 1342 ± 0.0000244 5.47 5.263/5.563 5.32 ± 0.5874
7 1342 1342/1342 1342 ± 0.0000244 5.493 5.228/5.626 5.364 ± 0.5858
8 1342 1342/1342 1342 ± 0.0000244 5.392 5.098/5.707 5.332 ± 0.6178
9 1342 1342/1342 1342 ± 0.0000244 5.654 5.263/5.911 5.519 ± 0.6348
10 1342 1342/1342 1342 ± 0.00002424 6.161 5.84/6.285 5.943 ± 0.6798
11 1342 1342/1342 1342 ± 0.00002408 6.416 6.02/6.553 6.165 ± 0.7217
12 1342 1342/1342 1342 ± 0.00002392 6.549 6.141/6.643 6.271 ± 0.7609
13 1342 1342/1342 1342 ± 0.00002392 6.87 6.445/7.034 6.604 ± 0.7777
14 1342 1342/1342 1342 ± 0.000024 6.996 6.613/7.169 6.741 ± 0.7471
15 1342 1342/1342 1342 ± 0.00002436 6.42 6.042/6.652 6.289 ± 0.597
16 1342 1342/1342 1342 ± 0.00005952 4.794 4.617/5.056 4.769 ± 0.4483
17 1342 1342/1342 1342 ± 0.00005823 4.922 4.78/5.185 4.863 ± 0.5004
vis
VLASS2.1.sb38484347.eb38556700.59065.64805841435_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-12-05 06:39:02.610
End
2024-12-05 07:43:50.681
Duration
1:04:48.071
Note, WebLog generation is not included in the time.

CASA logs for stage 8