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

Statwt Summary Plot

VLASS2.1.sb38620321.eb38711360.59131.8760765162_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 5.478 5.174/5.917 5.634 ± 0.5359
ea02 1342 1342/1342 1342 ± 0 5.663 5.352/6.492 5.881 ± 0.6589
ea03 1342 1342/1342 1342 ± 0 5.285 4.69/5.92 5.343 ± 0.6475
ea04 1342 1342/1342 1342 ± 0.000004692 5.417 5.096/6.119 5.609 ± 0.6002
ea05 1342 1342/1342 1342 ± 0 5.761 5.283/6.234 5.818 ± 0.6005
ea06 1342 1342/1342 1342 ± 0 5.133 4.824/5.602 5.218 ± 0.4483
ea07 1342 1342/1342 1342 ± 0 5.867 5.301/6.134 5.856 ± 0.5922
ea08 1342 1342/1342 1342 ± 0 5.795 5.487/6.637 6.084 ± 0.6905
ea09 1342 1342/1342 1342 ± 0 5.512 5.11/6.243 5.654 ± 0.6416
ea10 1342 1342/1342 1342 ± 0 5.799 5.185/6.49 5.81 ± 0.6814
ea11 1342 1342/1342 1342 ± 0 5.917 5.219/6.36 5.904 ± 0.6708
ea12 1342 1342/1342 1342 ± 0 5.633 5.192/6.29 5.818 ± 0.6491
ea13 1342 1342/1342 1342 ± 0 5.924 5.743/6.409 6.11 ± 0.525
ea15 1342 1342/1342 1342 ± 0 5.76 5.364/6.473 5.956 ± 0.683
ea16 1342 1342/1342 1342 ± 0 6.008 5.566/6.688 6.176 ± 0.7313
ea17 1342 1342/1342 1342 ± 0 6.108 5.688/6.668 6.219 ± 0.6816
ea18 1342 1342/1342 1342 ± 0 4.829 4.536/5.316 4.956 ± 0.4985
ea19 1342 1342/1342 1342 ± 0 5.956 5.354/6.508 5.95 ± 0.5967
ea20 1342 1342/1342 1342 ± 0 5.768 5.306/6.385 5.855 ± 0.6067
ea21 1342 1342/1342 1342 ± 0 5.619 5.302/6.193 5.773 ± 0.5647
ea22 1342 1342/1342 1342 ± 0 5.434 5.159/6.309 5.69 ± 0.6569
ea23 1342 1342/1342 1342 ± 0 5.946 5.293/6.399 5.99 ± 0.7049
ea24 1342 1342/1342 1342 ± 0 5.634 5.342/6.534 5.791 ± 0.6765
ea25 1342 1342/1342 1342 ± 0 5.46 5.132/6.004 5.602 ± 0.5654
ea26 1342 1342/1342 1342 ± 0 5.921 5.564/6.682 6.116 ± 0.7141
ea27 1342 1342/1342 1342 ± 0 5.444 5.103/6.3 5.651 ± 0.6163
ea28 1342 1342/1342 1342 ± 0.000006425 5.39 5.182/6.165 5.61 ± 0.6381
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 ± 0.00002307 5.311 5.111/5.45 5.256 ± 0.2523
3 1342 1342/1342 1342 ± 0.00002307 5.074 4.847/5.335 5.086 ± 0.3208
4 1342 1342/1342 1342 ± 0.00002394 5.122 4.858/5.296 5.098 ± 0.3249
5 1342 1342/1342 1342 ± 0.00002307 5.238 5.014/5.309 5.194 ± 0.315
6 1342 1342/1342 1342 ± 0.00002349 5.262 5.124/5.411 5.236 ± 0.2993
7 1342 1342/1342 1342 ± 0.00002307 5.287 5.138/5.41 5.274 ± 0.2599
8 1342 1342/1342 1342 ± 0.00002307 5.213 5.096/5.45 5.237 ± 0.2826
9 1342 1342/1342 1342 ± 0.00002307 5.542 5.395/5.786 5.541 ± 0.3225
10 1342 1342/1342 1342 ± 0.00002307 6.004 5.83/6.156 5.966 ± 0.3163
11 1342 1342/1342 1342 ± 0.00002307 6.288 6.005/6.37 6.197 ± 0.3213
12 1342 1342/1342 1342 ± 0.00002307 6.38 6.13/6.512 6.345 ± 0.3421
13 1342 1342/1342 1342 ± 0.00002307 6.783 6.597/6.915 6.746 ± 0.354
14 1342 1342/1342 1342 ± 0.00002307 6.963 6.737/7.16 6.905 ± 0.3833
15 1342 1342/1342 1342 ± 0.00002307 6.583 6.445/6.896 6.58 ± 0.3908
16 1342 1342/1342 1342 ± 0.00002341 5.921 5.495/6.131 5.885 ± 0.3843
17 1342 1342/1342 1342 ± 0.00002322 5.884 5.514/6.174 5.856 ± 0.3823
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38620321.eb38711360.59131.8760765162_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-18 04:30:01.086
End
2024-12-18 05:30:18.217
Duration
1:00:17.130
Note, WebLog generation is not included in the time.

CASA logs for stage 8