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 5.509 5.207/5.88 5.6 ± 0.5082
ea02 1342 1342/1342 1342 ± 0 5.787 5.342/6.316 5.9 ± 0.6236
ea04 1342 1342/1342 1342 ± 0 5.556 5.21/6.102 5.719 ± 0.5329
ea05 1342 1342/1342 1342 ± 0 5.646 5.323/6.157 5.764 ± 0.558
ea06 1342 1342/1342 1342 ± 0 4.902 4.701/5.274 5 ± 0.348
ea07 1342 1342/1342 1342 ± 0 5.923 5.428/6.102 5.914 ± 0.5399
ea08 1342 1342/1342 1342 ± 0 5.77 5.46/6.512 5.998 ± 0.648
ea09 1342 1342/1342 1342 ± 0 5.681 5.205/6.354 5.735 ± 0.5851
ea10 1342 1342/1342 1342 ± 0 5.818 5.271/6.398 5.846 ± 0.6195
ea11 1342 1342/1342 1342 ± 0.000001117 5.812 5.098/6.203 5.745 ± 0.6095
ea12 1342 1342/1342 1342 ± 0 5.839 5.323/6.293 5.915 ± 0.6101
ea13 1342 1342/1342 1342 ± 0 6.226 5.752/6.333 6.134 ± 0.5
ea14 1342 1342/1342 1342 ± 0 5.912 5.245/6.253 5.831 ± 0.6231
ea15 1342 1342/1342 1342 ± 0 5.703 5.246/6.306 5.851 ± 0.6631
ea16 1342 1342/1342 1342 ± 0 6.117 5.62/6.621 6.199 ± 0.6929
ea17 1342 1342/1342 1342 ± 0.00001381 5.832 5.464/6.718 6.043 ± 0.6175
ea18 1342 1342/1342 1342 ± 0 5.075 4.706/5.506 5.129 ± 0.4788
ea19 1342 1342/1342 1342 ± 0 6.017 5.497/6.565 6.073 ± 0.5786
ea20 1342 1342/1342 1342 ± 0 5.982 5.625/6.562 6.124 ± 0.6027
ea21 1342 1342/1342 1342 ± 0 5.66 5.316/6.146 5.769 ± 0.5207
ea22 1342 1342/1342 1342 ± 0 5.547 5.232/6.292 5.757 ± 0.6435
ea23 1342 1342/1342 1342 ± 0 6.08 5.415/6.467 6.009 ± 0.6481
ea25 1342 1342/1342 1342 ± 0.000001117 5.572 5.096/6.038 5.602 ± 0.5572
ea26 1342 1342/1342 1342 ± 0 6 5.693/6.64 6.133 ± 0.6347
ea27 1342 1342/1342 1342 ± 0.000008629 5.505 5.327/6.287 5.71 ± 0.5527
ea28 1342 1342/1342 1342 ± 0.000005578 5.533 5.322/6.286 5.774 ± 0.6123
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 ± 0.00002349 5.384 5.195/5.571 5.365 ± 0.2656
3 1342 1342/1342 1342 ± 0.00002411 5.137 4.94/5.362 5.14 ± 0.2772
4 1342 1342/1342 1342 ± 0.00002928 5.174 5.124/5.377 5.21 ± 0.266
5 1342 1342/1342 1342 ± 0.00002349 5.399 5.142/5.472 5.333 ± 0.2851
6 1342 1342/1342 1342 ± 0.00002349 5.32 5.165/5.477 5.302 ± 0.291
7 1342 1342/1342 1342 ± 0.00002349 5.313 5.245/5.445 5.315 ± 0.2526
8 1342 1342/1342 1342 ± 0.00002349 5.312 5.157/5.426 5.269 ± 0.2584
9 1342 1342/1342 1342 ± 0.00002349 5.557 5.401/5.776 5.532 ± 0.3009
10 1342 1342/1342 1342 ± 0.00002349 5.968 5.823/6.12 5.935 ± 0.2935
11 1342 1342/1342 1342 ± 0.00002349 6.216 6.075/6.313 6.147 ± 0.3102
12 1342 1342/1342 1342 ± 0.00002349 6.297 6.151/6.464 6.287 ± 0.3276
13 1342 1342/1342 1342 ± 0.00002349 6.745 6.625/6.924 6.73 ± 0.3526
14 1342 1342/1342 1342 ± 0.00002349 6.957 6.749/7.175 6.922 ± 0.391
15 1342 1342/1342 1342 ± 0.00002349 6.672 6.392/6.765 6.544 ± 0.3893
16 1342 1342/1342 1342 ± 0.0000256 5.888 5.654/6.228 5.91 ± 0.3642
17 1342 1342/1342 1342 ± 0.00002415 5.895 5.688/6.193 5.92 ± 0.348
vis
VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2024-05-01 13:20:34.183
End
2024-05-01 14:28:20.669
Duration
1:07:46.486
Note, WebLog generation is not included in the time.

CASA logs for stage 7