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

Statwt Summary Plot

VLASS2.1.sb38521729.eb38627577.59093.001901145835_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 5.467 5.172/5.873 5.554 ± 0.5426
ea02 1342 1342/1342 1342 ± 0 5.708 5.334/6.325 5.857 ± 0.662
ea04 1342 1342/1342 1342 ± 0 5.55 5.143/6.121 5.687 ± 0.5775
ea05 1342 1342/1342 1342 ± 0 5.606 5.213/6.153 5.725 ± 0.5896
ea06 1342 1342/1342 1342 ± 0 4.909 4.647/5.284 4.98 ± 0.3727
ea07 1342 1342/1342 1342 ± 0 5.932 5.397/6.091 5.866 ± 0.5769
ea08 1342 1342/1342 1342 ± 0 5.692 5.414/6.513 5.952 ± 0.69
ea09 1342 1342/1342 1342 ± 0 5.649 5.173/6.358 5.692 ± 0.619
ea10 1342 1342/1342 1342 ± 0 5.828 5.244/6.394 5.812 ± 0.667
ea11 1342 1342/1342 1342 ± 0 5.778 5.061/6.185 5.694 ± 0.6459
ea12 1342 1342/1342 1342 ± 0 5.84 5.272/6.302 5.873 ± 0.6465
ea13 1342 1342/1342 1342 ± 0 6.18 5.643/6.333 6.084 ± 0.542
ea14 1342 1342/1342 1342 ± 0 5.908 5.111/6.258 5.794 ± 0.67
ea15 1342 1342/1342 1342 ± 0 5.699 5.213/6.311 5.809 ± 0.7095
ea16 1342 1342/1342 1342 ± 0 6.115 5.59/6.633 6.162 ± 0.7396
ea17 1342 1342/1342 1342 ± 0.00001459 5.838 5.372/6.706 5.985 ± 0.6591
ea18 1342 1342/1342 1342 ± 0 5.068 4.686/5.491 5.093 ± 0.5057
ea19 1342 1342/1342 1342 ± 0 6.018 5.453/6.553 6.032 ± 0.6195
ea20 1342 1342/1342 1342 ± 0 5.982 5.55/6.567 6.073 ± 0.6486
ea21 1342 1342/1342 1342 ± 0 5.646 5.301/6.152 5.736 ± 0.5567
ea22 1342 1342/1342 1342 ± 0 5.492 5.219/6.293 5.711 ± 0.6737
ea23 1342 1342/1342 1342 ± 0 6.075 5.364/6.465 5.969 ± 0.6883
ea25 1342 1342/1342 1342 ± 0 5.584 5.044/6.037 5.562 ± 0.5918
ea26 1342 1342/1342 1342 ± 0 5.988 5.643/6.645 6.089 ± 0.6833
ea27 1342 1342/1342 1342 ± 0.00001109 5.502 5.124/6.295 5.672 ± 0.5959
ea28 1342 1342/1342 1342 ± 0.000009292 5.47 5.3/6.286 5.734 ± 0.6412
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 ± 0.0000235 5.198 5.059/5.429 5.21 ± 0.2529
3 1342 1342/1342 1342 ± 0.00002398 4.973 4.786/5.175 4.978 ± 0.2509
4 1342 1342/1342 1342 ± 0.00002928 5.007 4.894/5.096 4.97 ± 0.2092
5 1342 1342/1342 1342 ± 0.0000235 5.309 5.068/5.407 5.254 ± 0.2816
6 1342 1342/1342 1342 ± 0.0000235 5.285 5.13/5.437 5.267 ± 0.2874
7 1342 1342/1342 1342 ± 0.0000235 5.298 5.219/5.431 5.296 ± 0.25
8 1342 1342/1342 1342 ± 0.0000235 5.302 5.15/5.423 5.262 ± 0.2602
9 1342 1342/1342 1342 ± 0.0000235 5.537 5.397/5.769 5.529 ± 0.3017
10 1342 1342/1342 1342 ± 0.0000235 5.955 5.818/6.118 5.934 ± 0.2924
11 1342 1342/1342 1342 ± 0.0000235 6.212 6.072/6.314 6.146 ± 0.3119
12 1342 1342/1342 1342 ± 0.0000235 6.304 6.158/6.458 6.285 ± 0.3297
13 1342 1342/1342 1342 ± 0.0000235 6.74 6.621/6.924 6.727 ± 0.3547
14 1342 1342/1342 1342 ± 0.0000235 6.95 6.754/7.159 6.92 ± 0.3885
15 1342 1342/1342 1342 ± 0.0000235 6.674 6.389/6.757 6.542 ± 0.3889
16 1342 1342/1342 1342 ± 0.0000265 5.892 5.609/6.215 5.894 ± 0.3661
17 1342 1342/1342 1342 ± 0.0000247 5.885 5.656/6.188 5.906 ± 0.3548
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms
output_dir
 
Start time
2024-05-01 08:55:42.770
End
2024-05-01 10:04:32.968
Duration
1:08:50.197
Note, WebLog generation is not included in the time.

CASA logs for stage 7