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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.689 5.431/6.242 5.798 ± 0.7485
ea02 1342 1342/1342 1342 ± 0.00003986 5.763 5.328/6.476 5.762 ± 0.6782
ea03 1342 1342/1342 1342 ± 0.00002016 5.57 5.344/6.579 5.884 ± 0.724
ea04 1342 1342/1342 1342 ± 0.00004289 5.354 5.051/6.025 5.398 ± 0.6557
ea05 1342 1342/1342 1342 ± 0.00004335 5.603 5.219/6.46 5.673 ± 0.7573
ea06 1342 1342/1342 1342 ± 0.00001389 5.545 4.943/6.142 5.533 ± 0.6535
ea07 1342 1342/1342 1342 ± 0.00004174 5.408 5.018/6.333 5.589 ± 0.7238
ea08 1342 1342/1342 1342 ± 0.00003394 5.72 5.349/6.709 5.911 ± 0.7588
ea09 1342 1342/1342 1342 ± 0.00004078 5.418 4.93/6.016 5.442 ± 0.7018
ea10 1342 1342/1342 1342 ± 0.00004315 5.281 4.72/6.004 5.265 ± 0.6735
ea11 1342 1342/1342 1342 ± 0.00004561 5.563 4.749/6.164 5.431 ± 0.7917
ea13 1342 1342/1342 1342 ± 0.00001127 5.418 5.11/6.062 5.561 ± 0.5287
ea14 1342 1342/1342 1342 ± 0.00004254 5.637 5.16/6.46 5.739 ± 0.7708
ea15 1342 1342/1342 1342 ± 0.00004404 5.765 5.513/6.62 5.856 ± 0.8858
ea16 1342 1342/1342 1342 ± 0.00001343 5.923 5.454/6.606 6.028 ± 0.8016
ea17 1342 1342/1342 1342 ± 0.00004225 5.788 5.252/6.668 5.905 ± 0.812
ea18 1342 1342/1342 1342 ± 0.0000362 5.983 5.542/6.641 5.992 ± 0.7145
ea19 1342 1342/1342 1342 ± 0.00002713 5.665 5.375/6.406 5.731 ± 0.7714
ea20 1342 1342/1342 1342 ± 0.0000194 5.613 5.326/6.156 5.733 ± 0.6868
ea21 1342 1342/1342 1342 ± 0.000007271 5.133 4.98/5.868 5.344 ± 0.5601
ea22 1342 1342/1342 1342 ± 0.00003614 5.726 5.164/6.483 5.744 ± 0.7249
ea23 1342 1342/1342 1342 ± 0.00004388 5.964 5.275/6.565 5.859 ± 0.7832
ea24 1342 1342/1342 1342 ± 0 5.216 4.991/6.243 5.531 ± 0.6859
ea25 1342 1342/1342 1342 ± 0.000006852 6.086 5.576/6.755 6.28 ± 0.8188
ea27 1342 1342/1342 1342 ± 0.000009106 5.603 5.056/6.482 5.589 ± 0.8362
ea28 1342 1342/1342 1342 ± 0.00001092 5.73 5.434/6.59 5.911 ± 0.7189
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 5.33 5.053/5.444 5.268 ± 0.2499
5 1342 1342/1342 1342 ± 0.00003134 4.954 4.822/5.266 5.017 ± 0.336
6 1342 1342/1342 1342 ± 0.00002348 5.263 5.093/5.473 5.27 ± 0.2666
7 1342 1342/1342 1342 ± 0.00002348 5.378 5.154/5.572 5.358 ± 0.2418
8 1342 1342/1342 1342 ± 0.00002348 5.352 5.082/5.519 5.326 ± 0.2746
9 1342 1342/1342 1342 ± 0.00002363 5.661 5.547/5.914 5.653 ± 0.2949
10 1342 1342/1342 1342 ± 0.00002392 6.155 5.975/6.335 6.135 ± 0.2772
11 1342 1342/1342 1342 ± 0.00002348 6.471 6.154/6.599 6.399 ± 0.2626
12 1342 1342/1342 1342 ± 0.00002348 6.601 6.351/6.768 6.555 ± 0.3156
13 1342 1342/1342 1342 ± 0.00002348 6.771 6.529/7.023 6.804 ± 0.3943
14 1342 1342/1342 1342 ± 0.00002652 6.24 5.901/6.52 6.264 ± 0.5033
15 1342 1342/1342 1342 ± 0.00002443 6.469 6.026/6.689 6.335 ± 0.4632
16 1342 1342/1342 1342 ± 0.00006032 4.695 4.408/4.924 4.688 ± 0.3766
17 1342 1342/1342 1342 ± 0.00006095 4.576 4.383/4.766 4.591 ± 0.3135
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-19 12:01:18.335
End
2025-07-19 12:55:05.910
Duration
0:53:47.575
Note, WebLog generation is not included in the time.

CASA logs for stage 8