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

Statwt Summary Plot

VLASS2.1.sb38500385.eb38635359.59099.351010810184_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 5.197 5.044/6.036 5.466 ± 0.7258
ea02 1342 1342/1342 1342 ± 0.0000449 5.811 5.21/6.568 5.87 ± 0.8352
ea04 1342 1342/1342 1342 ± 0.00002379 5.311 4.908/5.835 5.375 ± 0.6787
ea05 1342 1342/1342 1342 ± 0.00001056 5.411 5.02/6.344 5.662 ± 0.7496
ea06 1342 1342/1342 1342 ± 0.00001802 4.778 4.547/5.404 4.916 ± 0.5832
ea07 1342 1342/1342 1342 ± 0.00004196 5.737 5.23/6.219 5.745 ± 0.8408
ea08 1342 1342/1342 1342 ± 0.00004359 5.871 5.378/6.728 6.009 ± 0.9439
ea09 1342 1342/1342 1342 ± 0.00002068 5.479 5.049/6.302 5.658 ± 0.7233
ea10 1342 1342/1342 1342 ± 0.0000431 5.682 5.061/6.599 5.731 ± 0.9144
ea11 1342 1342/1342 1342 ± 0.00004311 5.6 5.023/6.272 5.593 ± 0.834
ea12 1342 1342/1342 1342 ± 0.00002733 5.505 5.238/6.372 5.686 ± 0.8123
ea13 1342 1342/1342 1342 ± 0.000009059 5.652 5.523/6.263 5.903 ± 0.6279
ea14 1342 1342/1342 1342 ± 0.00003844 5.499 5.122/6.338 5.652 ± 0.8515
ea15 1342 1342/1342 1342 ± 0.000002451 5.271 4.975/6.12 5.493 ± 0.8158
ea16 1342 1342/1342 1342 ± 0.00002271 5.827 5.365/6.761 5.969 ± 0.9839
ea17 1342 1342/1342 1342 ± 0.00004403 5.724 5.173/6.721 5.849 ± 0.9181
ea18 1342 1342/1342 1342 ± 0.00004372 4.765 4.576/5.484 4.958 ± 0.606
ea19 1342 1342/1342 1342 ± 0.00002488 5.712 5.465/6.76 6 ± 0.8392
ea20 1342 1342/1342 1342 ± 0.00004231 5.817 5.637/6.674 6 ± 0.8918
ea21 1342 1342/1342 1342 ± 0.00003018 5.476 5.146/6.249 5.617 ± 0.7847
ea22 1342 1342/1342 1342 ± 0.00003144 5.303 4.88/6.342 5.598 ± 0.725
ea23 1342 1342/1342 1342 ± 0.00004316 5.66 5.235/6.503 5.793 ± 0.9506
ea25 1342 1342/1342 1342 ± 0.00004398 5.396 5.017/6.1 5.487 ± 0.7808
ea26 1342 1342/1342 1342 ± 0.00002105 5.821 5.47/6.857 6.059 ± 0.7875
ea27 1342 1342/1342 1342 ± 0.00004337 5.395 5.004/6.313 5.56 ± 0.7995
ea28 1342 1342/1342 1342 ± 0.00004409 5.508 5.251/6.442 5.763 ± 0.8791
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 ± 0.00002348 5.164 5.019/5.498 5.229 ± 0.2893
5 1342 1342/1342 1342 ± 0.00003453 5.386 5.202/5.739 5.431 ± 0.3892
6 1342 1342/1342 1342 ± 0.00002348 5.228 4.976/5.401 5.165 ± 0.2867
7 1342 1342/1342 1342 ± 0.00002348 5.228 5.065/5.404 5.216 ± 0.2694
8 1342 1342/1342 1342 ± 0.00002348 5.234 5.014/5.347 5.17 ± 0.2835
9 1342 1342/1342 1342 ± 0.00002348 5.49 5.301/5.724 5.469 ± 0.3121
10 1342 1342/1342 1342 ± 0.00002348 5.954 5.857/6.169 5.939 ± 0.3079
11 1342 1342/1342 1342 ± 0.00002348 6.261 6.09/6.382 6.198 ± 0.3281
12 1342 1342/1342 1342 ± 0.00002348 6.408 6.216/6.575 6.372 ± 0.3556
13 1342 1342/1342 1342 ± 0.00002348 6.761 6.597/7.019 6.763 ± 0.3787
14 1342 1342/1342 1342 ± 0.00002348 6.992 6.826/7.264 6.973 ± 0.41
15 1342 1342/1342 1342 ± 0.00002376 6.426 6.171/6.762 6.412 ± 0.4989
16 1342 1342/1342 1342 ± 0.00005906 4.35 4.199/4.583 4.399 ± 0.2615
17 1342 1342/1342 1342 ± 0.00005979 4.406 4.271/4.664 4.481 ± 0.3035
vis
VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2024-11-02 16:12:14.465
End
2024-11-02 17:16:06.496
Duration
1:03:52.031
Note, WebLog generation is not included in the time.

CASA logs for stage 8