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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.787 5.593/6.518 6.018 ± 0.5928
ea02 1342 1342/1342 1342 ± 0.00001901 5.971 5.484/6.707 6.119 ± 0.7162
ea04 1342 1342/1342 1342 ± 0 5.412 4.971/5.865 5.451 ± 0.573
ea05 1342 1342/1342 1342 ± 0.00000954 5.771 4.956/6.275 5.593 ± 0.6961
ea06 1342 1342/1342 1342 ± 0 4.774 4.414/5.224 4.808 ± 0.4368
ea07 1342 1342/1342 1342 ± 0 6.19 5.731/6.49 6.218 ± 0.6175
ea08 1342 1342/1342 1342 ± 0.00002918 6.094 5.644/7.05 6.303 ± 0.7482
ea09 1342 1342/1342 1342 ± 0.00001667 5.475 5.119/6.256 5.687 ± 0.7057
ea10 1342 1342/1342 1342 ± 0.000006266 6.091 5.489/7.03 6.175 ± 0.7844
ea11 1342 1342/1342 1342 ± 0 6.093 5.395/6.646 6.066 ± 0.7119
ea12 1342 1342/1342 1342 ± 0 5.883 5.286/6.439 5.886 ± 0.6647
ea13 1342 1342/1342 1342 ± 0.000007075 5.892 5.515/6.235 5.963 ± 0.5733
ea14 1342 1342/1342 1342 ± 0 6.087 5.195/6.445 5.904 ± 0.7108
ea15 1342 1342/1342 1342 ± 0 5.594 4.8/6.073 5.511 ± 0.757
ea16 1342 1342/1342 1342 ± 0 6.216 5.593/6.742 6.286 ± 0.7784
ea17 1342 1342/1342 1342 ± 0.00001076 6.309 5.82/7.134 6.457 ± 0.716
ea18 1342 1342/1342 1342 ± 0 5.253 4.836/5.778 5.288 ± 0.5464
ea19 1342 1342/1342 1342 ± 0 5.831 5.343/6.63 6.055 ± 0.7435
ea20 1342 1342/1342 1342 ± 0 6.366 5.749/6.896 6.28 ± 0.6865
ea21 1342 1342/1342 1342 ± 0 5.761 5.254/6.304 5.78 ± 0.6397
ea22 1342 1342/1342 1342 ± 0.00001809 5.413 5.257/6.42 5.769 ± 0.6605
ea23 1342 1342/1342 1342 ± 0 6.282 5.641/6.803 6.281 ± 0.7232
ea25 1342 1342/1342 1342 ± 0 5.855 5.45/6.436 5.971 ± 0.6248
ea26 1342 1342/1342 1342 ± 0.000004644 5.77 5.402/6.882 6.087 ± 0.7449
ea27 1342 1342/1342 1342 ± 0.00001624 5.701 5.405/6.781 5.979 ± 0.7424
ea28 1342 1342/1342 1342 ± 0.00003739 5.873 5.664/6.835 6.201 ± 0.7097
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 ± 0.00002446 5.395 5.056/5.557 5.333 ± 0.3393
3 1342 1342/1342 1342 ± 0.00002677 5.235 5.072/5.52 5.226 ± 0.3387
4 1342 1342/1342 1342 ± 0.00002483 5.34 5.102/5.537 5.251 ± 0.3717
5 1342 1342/1342 1342 ± 0.00002348 5.339 5.121/5.759 5.383 ± 0.4152
6 1342 1342/1342 1342 ± 0.00002348 5.375 5.089/5.535 5.285 ± 0.3468
7 1342 1342/1342 1342 ± 0.00002348 5.437 5.199/5.547 5.339 ± 0.3454
8 1342 1342/1342 1342 ± 0.00002348 5.438 5.13/5.608 5.321 ± 0.3763
9 1342 1342/1342 1342 ± 0.00002348 5.658 5.345/5.984 5.614 ± 0.4286
10 1342 1342/1342 1342 ± 0.00002348 6.208 5.895/6.366 6.109 ± 0.3917
11 1342 1342/1342 1342 ± 0.00002348 6.448 6.179/6.648 6.351 ± 0.4212
12 1342 1342/1342 1342 ± 0.00002348 6.544 6.316/6.814 6.53 ± 0.443
13 1342 1342/1342 1342 ± 0.00002348 7.165 6.79/7.31 7.022 ± 0.4621
14 1342 1342/1342 1342 ± 0.00002348 7.302 6.929/7.559 7.206 ± 0.5042
15 1342 1342/1342 1342 ± 0.00002348 6.802 6.562/7.071 6.735 ± 0.4813
16 1342 1342/1342 1342 ± 0.00004029 5.936 5.773/6.246 5.969 ± 0.4028
17 1342 1342/1342 1342 ± 0.00003791 5.958 5.675/6.203 5.946 ± 0.3874
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
overwrite_modelcol
False
Start time
2025-01-07 01:43:15.445
End
2025-01-07 02:34:22.829
Duration
0:51:07.384
Note, WebLog generation is not included in the time.

CASA logs for stage 8