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 5.416 5.215/5.928 5.637 ± 0.5226
ea02 1342 1342/1342 1342 ± 0.000004553 5.684 5.333/6.426 5.893 ± 0.6694
ea04 1342 1342/1342 1342 ± 0 5.517 5.16/6.14 5.715 ± 0.5638
ea05 1342 1342/1342 1342 ± 0 5.466 5.089/6.021 5.596 ± 0.5833
ea06 1342 1342/1342 1342 ± 0 4.909 4.657/5.302 4.98 ± 0.3776
ea07 1342 1342/1342 1342 ± 0 5.882 5.379/6.148 5.897 ± 0.5764
ea08 1342 1342/1342 1342 ± 0.000004713 5.695 5.382/6.554 5.983 ± 0.6875
ea09 1342 1342/1342 1342 ± 0 5.533 5.13/6.254 5.695 ± 0.6309
ea10 1342 1342/1342 1342 ± 0 5.846 5.243/6.49 5.841 ± 0.684
ea11 1342 1342/1342 1342 ± 0 5.789 5.094/6.291 5.761 ± 0.6716
ea12 1342 1342/1342 1342 ± 0 6.344 6.149/6.75 6.432 ± 0.3974
ea13 1342 1342/1342 1342 ± 0 5.748 5.612/6.31 6.014 ± 0.5272
ea14 1342 1342/1342 1342 ± 0 5.643 5.153/6.21 5.725 ± 0.6466
ea15 1342 1342/1342 1342 ± 0 5.646 5.125/6.274 5.767 ± 0.7038
ea16 1342 1342/1342 1342 ± 0 5.932 5.468/6.589 6.085 ± 0.7144
ea17 1342 1342/1342 1342 ± 0.0000186 5.855 5.473/6.394 6.013 ± 0.628
ea18 1342 1342/1342 1342 ± 0 4.97 4.623/5.549 5.115 ± 0.5231
ea19 1342 1342/1342 1342 ± 0 5.719 5.292/6.316 5.892 ± 0.6065
ea20 1342 1342/1342 1342 ± 0 6.01 5.579/6.613 6.138 ± 0.6438
ea21 1342 1342/1342 1342 ± 0 5.509 5.148/6.049 5.621 ± 0.5638
ea22 1342 1342/1342 1342 ± 0.000002722 5.398 5.166/6.287 5.698 ± 0.6622
ea23 1342 1342/1342 1342 ± 0 5.91 5.335/6.321 5.966 ± 0.6726
ea25 1342 1342/1342 1342 ± 0 5.534 5.099/5.988 5.611 ± 0.5904
ea26 1342 1342/1342 1342 ± 0.000001218 5.828 5.567/6.653 6.084 ± 0.6744
ea27 1342 1342/1342 1342 ± 0.00002366 5.547 5.274/6.32 5.729 ± 0.587
ea28 1342 1342/1342 1342 ± 0.00002874 5.536 5.29/6.356 5.811 ± 0.6583
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 ± 0.00002394 5.239 5.073/5.451 5.229 ± 0.2473
3 1342 1342/1342 1342 ± 0.00002394 5.145 4.987/5.35 5.141 ± 0.2448
4 1342 1342/1342 1342 ± 0.00002394 5.154 4.95/5.318 5.139 ± 0.2696
5 1342 1342/1342 1342 ± 0.00002394 5.287 5.044/5.44 5.255 ± 0.2904
6 1342 1342/1342 1342 ± 0.00002394 5.235 5.093/5.395 5.193 ± 0.2883
7 1342 1342/1342 1342 ± 0.00002394 5.27 5.156/5.413 5.261 ± 0.2532
8 1342 1342/1342 1342 ± 0.00002394 5.275 5.155/5.393 5.241 ± 0.267
9 1342 1342/1342 1342 ± 0.00002394 5.522 5.389/5.781 5.52 ± 0.3031
10 1342 1342/1342 1342 ± 0.00002349 5.952 5.822/6.122 5.952 ± 0.2967
11 1342 1342/1342 1342 ± 0.00002349 6.25 6.025/6.309 6.163 ± 0.3072
12 1342 1342/1342 1342 ± 0.00002349 6.384 6.199/6.505 6.325 ± 0.3292
13 1342 1342/1342 1342 ± 0.00002349 6.81 6.638/6.925 6.75 ± 0.3462
14 1342 1342/1342 1342 ± 0.00002349 7.011 6.768/7.18 6.931 ± 0.3919
15 1342 1342/1342 1342 ± 0.00002349 6.661 6.357/6.766 6.547 ± 0.3937
16 1342 1342/1342 1342 ± 0.00003303 5.837 5.607/6.196 5.851 ± 0.3731
17 1342 1342/1342 1342 ± 0.00003209 5.922 5.616/6.168 5.874 ± 0.3398
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-05-01 09:30:02.849
End
2024-05-01 10:23:55.189
Duration
0:53:52.339
Note, WebLog generation is not included in the time.

CASA logs for stage 7