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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.409 5.246/6.476 5.726 ± 0.8396
ea02 1342 1342/1342 1342 ± 0.000002413 5.574 5.141/6.265 5.673 ± 0.8309
ea03 1342 1342/1342 1342 ± 0 5.781 5.026/6.516 5.72 ± 0.867
ea04 1342 1342/1342 1342 ± 0.00004552 5.031 4.803/5.862 5.215 ± 0.7604
ea05 1342 1342/1342 1342 ± 0.00003968 5.206 5.039/6.312 5.511 ± 0.8968
ea06 1342 1342/1342 1342 ± 0 5.344 4.719/5.831 5.348 ± 0.7739
ea07 1342 1342/1342 1342 ± 0.000001169 4.982 4.85/6.072 5.341 ± 0.9444
ea08 1342 1342/1342 1342 ± 0 5.53 5.301/6.582 5.831 ± 0.8576
ea09 1342 1342/1342 1342 ± 0.00003891 4.893 4.693/6.054 5.202 ± 0.7514
ea10 1342 1342/1342 1342 ± 0.00004178 4.912 4.716/6.052 5.236 ± 0.8126
ea11 1342 1342/1342 1342 ± 0.00004082 5.137 4.579/6.216 5.242 ± 0.9989
ea12 1342 1342/1342 1342 ± 0.00002949 5.046 4.791/5.859 5.253 ± 0.7601
ea14 1342 1342/1342 1342 ± 0.00004099 5.473 5.26/6.411 5.732 ± 0.7787
ea15 1342 1342/1342 1342 ± 0.00004148 5.551 5.304/6.498 5.78 ± 0.9006
ea16 1342 1342/1342 1342 ± 0 5.603 5.268/6.459 5.759 ± 0.8872
ea17 1342 1342/1342 1342 ± 0.00001697 5.48 5.09/6.452 5.659 ± 0.944
ea18 1342 1342/1342 1342 ± 0 5.697 5.261/6.523 5.797 ± 0.8686
ea19 1342 1342/1342 1342 ± 0.00001009 5.17 4.911/6.187 5.452 ± 0.8572
ea20 1342 1342/1342 1342 ± 0.00003209 5.645 5.378/6.779 5.865 ± 0.9985
ea21 1342 1342/1342 1342 ± 0 5.07 4.807/5.775 5.251 ± 0.6633
ea22 1342 1342/1342 1342 ± 0 5.353 5.008/6.317 5.533 ± 0.9108
ea23 1342 1342/1342 1342 ± 0.0000415 5.44 5.081/6.253 5.67 ± 0.8135
ea24 1342 1342/1342 1342 ± 0.000003619 5.379 4.911/6.453 5.561 ± 0.8611
ea25 1342 1342/1342 1342 ± 0 6.027 5.297/6.728 6.031 ± 0.9443
ea27 1342 1342/1342 1342 ± 0 5.293 4.961/6.268 5.504 ± 0.7611
ea28 1342 1342/1342 1342 ± 0.00001242 5.533 5.323/6.837 5.863 ± 0.8769
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 5.055 4.872/5.172 5.052 ± 0.2594
3 1342 1342/1342 1342 ± 0.00003509 4.09 3.819/4.443 4.161 ± 0.4158
4 1342 1342/1342 1342 ± 0.00002447 3.834 3.72/3.984 3.857 ± 0.2296
5 1342 1342/1342 1342 ± 0.00002348 5.069 4.791/5.309 5.066 ± 0.2974
6 1342 1342/1342 1342 ± 0.00002348 5.004 4.796/5.302 5.031 ± 0.2643
7 1342 1342/1342 1342 ± 0.00002348 5.144 4.891/5.297 5.116 ± 0.2444
8 1342 1342/1342 1342 ± 0.00002348 5.102 4.916/5.323 5.11 ± 0.2826
9 1342 1342/1342 1342 ± 0.00002348 5.438 5.201/5.645 5.436 ± 0.2883
10 1342 1342/1342 1342 ± 0.00002348 6.06 5.797/6.138 5.985 ± 0.2636
11 1342 1342/1342 1342 ± 0.00002348 6.221 6.059/6.371 6.206 ± 0.2693
12 1342 1342/1342 1342 ± 0.00002348 6.428 6.1/6.55 6.371 ± 0.3056
13 1342 1342/1342 1342 ± 0.00002348 6.836 6.572/7.02 6.822 ± 0.3162
14 1342 1342/1342 1342 ± 0.00002348 6.924 6.692/7.116 6.89 ± 0.3356
15 1342 1342/1342 1342 ± 0.00002348 6.658 6.317/6.859 6.61 ± 0.3341
16 1342 1342/1342 1342 ± 0.00005804 5.331 5.093/5.566 5.361 ± 0.375
17 1342 1342/1342 1342 ± 0.00006035 5.107 4.93/5.344 5.175 ± 0.3303
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2025-07-22 03:06:06.845
End
2025-07-22 04:01:23.162
Duration
0:55:16.317
Note, WebLog generation is not included in the time.

CASA logs for stage 8