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 5.643 5.392/6.079 5.798 ± 0.5252
ea02 1342 1342/1342 1342 ± 0 5.945 5.585/6.698 6.122 ± 0.6936
ea03 1342 1342/1342 1342 ± 0 5.459 4.967/6.03 5.511 ± 0.6048
ea04 1342 1342/1342 1342 ± 0.000006761 5.438 5.158/6.062 5.612 ± 0.5224
ea05 1342 1342/1342 1342 ± 0 5.709 5.281/6.175 5.779 ± 0.5901
ea06 1342 1342/1342 1342 ± 0 5.168 4.967/5.637 5.302 ± 0.4033
ea07 1342 1342/1342 1342 ± 0 5.945 5.452/6.171 5.958 ± 0.5428
ea08 1342 1342/1342 1342 ± 0.000007742 5.868 5.632/6.765 6.194 ± 0.7048
ea09 1342 1342/1342 1342 ± 0 5.749 5.339/6.406 5.897 ± 0.6286
ea10 1342 1342/1342 1342 ± 0.0000081 5.88 5.334/6.59 5.94 ± 0.6496
ea11 1342 1342/1342 1342 ± 0 6.113 5.446/6.518 6.08 ± 0.6504
ea12 1342 1342/1342 1342 ± 0 5.835 5.44/6.35 5.95 ± 0.6099
ea13 1342 1342/1342 1342 ± 0 6.31 6.051/6.544 6.408 ± 0.4711
ea15 1342 1342/1342 1342 ± 0 5.738 5.399/6.459 5.971 ± 0.6684
ea16 1342 1342/1342 1342 ± 0 5.982 5.606/6.65 6.167 ± 0.7189
ea17 1342 1342/1342 1342 ± 0 6.246 5.935/6.779 6.396 ± 0.6612
ea18 1342 1342/1342 1342 ± 0 5.008 4.72/5.513 5.135 ± 0.5023
ea19 1342 1342/1342 1342 ± 0 5.74 5.315/6.399 5.917 ± 0.6299
ea20 1342 1342/1342 1342 ± 0 5.928 5.604/6.576 6.067 ± 0.5755
ea21 1342 1342/1342 1342 ± 0 5.689 5.323/6.162 5.799 ± 0.5507
ea22 1342 1342/1342 1342 ± 0 5.585 5.375/6.482 5.897 ± 0.6797
ea23 1342 1342/1342 1342 ± 0 5.932 5.413/6.337 6.013 ± 0.6577
ea24 1342 1342/1342 1342 ± 0.000008378 5.684 5.548/6.775 6.024 ± 0.6331
ea25 1342 1342/1342 1342 ± 0.000008274 5.609 5.402/6.205 5.811 ± 0.5464
ea26 1342 1342/1342 1342 ± 0 6.206 5.895/6.924 6.409 ± 0.701
ea27 1342 1342/1342 1342 ± 0.00003839 5.564 5.329/6.34 5.788 ± 0.5767
ea28 1342 1342/1342 1342 ± 0.00002929 5.478 5.303/6.275 5.75 ± 0.635
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 5.423 5.294/5.704 5.448 ± 0.3162
3 1342 1342/1342 1342 ± 0.00002307 5.229 5.039/5.484 5.249 ± 0.3002
4 1342 1342/1342 1342 ± 0.00002441 5.325 5.199/5.513 5.357 ± 0.3598
5 1342 1342/1342 1342 ± 0.00002307 5.348 5.117/5.574 5.372 ± 0.355
6 1342 1342/1342 1342 ± 0.00002349 5.384 5.275/5.529 5.385 ± 0.3201
7 1342 1342/1342 1342 ± 0.00002307 5.437 5.301/5.603 5.429 ± 0.294
8 1342 1342/1342 1342 ± 0.00002307 5.333 5.177/5.587 5.36 ± 0.3112
9 1342 1342/1342 1342 ± 0.00002307 5.59 5.46/5.871 5.641 ± 0.3377
10 1342 1342/1342 1342 ± 0.00002307 6.07 5.922/6.321 6.069 ± 0.3397
11 1342 1342/1342 1342 ± 0.00002307 6.314 6.097/6.54 6.283 ± 0.3329
12 1342 1342/1342 1342 ± 0.00002307 6.479 6.202/6.636 6.431 ± 0.374
13 1342 1342/1342 1342 ± 0.00002307 6.903 6.72/7.043 6.863 ± 0.3666
14 1342 1342/1342 1342 ± 0.00002307 7.085 6.857/7.317 7.054 ± 0.4065
15 1342 1342/1342 1342 ± 0.00002307 6.702 6.457/6.967 6.678 ± 0.413
16 1342 1342/1342 1342 ± 0.00003486 5.993 5.579/6.272 5.942 ± 0.3766
17 1342 1342/1342 1342 ± 0.00003614 6.013 5.654/6.244 5.965 ± 0.3467
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38620321.eb38711360.59131.8760765162_split_split.ms
Start time
2025-05-08 02:14:05.024
End
2025-05-08 02:34:52.121
Duration
0:20:47.096
Note, WebLog generation is not included in the time.

CASA logs for stage 8