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

Statwt Summary Plot

VLASS3.2.sb45663667.eb45887130.60436.11477922453_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 6.02 5.578/6.469 6.087 ± 0.6628
ea02 1342 1342/1342 1342 ± 0 6.34 5.588/6.496 6.232 ± 0.6323
ea03 1342 1342/1342 1342 ± 0 5.949 5.465/6.73 6.122 ± 0.7718
ea04 1342 1342/1342 1342 ± 0.000009697 5.483 5.014/5.932 5.485 ± 0.5919
ea05 1342 1342/1342 1342 ± 0 5.967 5.427/6.688 5.983 ± 0.7372
ea06 1342 1342/1342 1342 ± 0 6.076 5.137/6.219 5.783 ± 0.6566
ea07 1342 1342/1342 1342 ± 0 5.882 5.278/6.321 5.912 ± 0.7227
ea08 1342 1342/1342 1342 ± 0 6.444 5.801/6.871 6.424 ± 0.6744
ea09 1342 1342/1342 1342 ± 0 5.798 5.24/6.554 5.885 ± 0.6877
ea10 1342 1342/1342 1342 ± 0 5.5 4.979/5.984 5.505 ± 0.6238
ea11 1342 1342/1342 1342 ± 0.000003532 5.442 5.082/6.247 5.584 ± 0.6984
ea12 1342 1342/1342 1342 ± 0 5.685 5.312/6.298 5.788 ± 0.6532
ea13 1342 1342/1342 1342 ± 0.00001471 5.936 5.581/6.392 5.959 ± 0.7168
ea14 1342 1342/1342 1342 ± 0.000002234 6.079 5.594/6.579 6.102 ± 0.6892
ea15 1342 1342/1342 1342 ± 0.00001349 6.285 5.644/6.726 6.171 ± 0.8199
ea16 1342 1342/1342 1342 ± 0 6.186 5.754/6.829 6.324 ± 0.74
ea17 1342 1342/1342 1342 ± 0 6.234 5.803/6.887 6.342 ± 0.7645
ea18 1342 1342/1342 1342 ± 0 6.494 5.923/7.138 6.479 ± 0.6962
ea19 1342 1342/1342 1342 ± 0 5.934 5.495/6.499 6.022 ± 0.6978
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0 5.449 5.09/5.897 5.539 ± 0.5081
ea22 1342 1342/1342 1342 ± 0 6.363 5.637/6.743 6.198 ± 0.6686
ea23 1342 1342/1342 1342 ± 0.000003163 5.983 5.456/6.334 5.971 ± 0.7412
ea24 1342 1342/1342 1342 ± 0.00001238 6.26 5.329/6.706 5.995 ± 0.7976
ea25 1342 1342/1342 1342 ± 0 6.558 5.775/7.077 6.546 ± 0.8125
ea27 1342 1342/1342 1342 ± 0 5.855 5.269/6.517 5.922 ± 0.7157
ea28 1342 1342/1342 1342 ± 0.00001218 6.155 5.739/6.809 6.251 ± 0.7507
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 ± 0.0000235 5.419 5.27/5.667 5.465 ± 0.2596
3 1342 1342/1342 1342 ± 0.00003422 4.784 4.534/5.106 4.85 ± 0.5148
4 1342 1342/1342 1342 ± 0.00002378 5.279 5.059/5.539 5.306 ± 0.3546
5 1342 1342/1342 1342 ± 0.0000235 5.483 5.247/5.763 5.518 ± 0.3194
6 1342 1342/1342 1342 ± 0.0000235 5.373 5.093/5.536 5.335 ± 0.3074
7 1342 1342/1342 1342 ± 0.0000235 5.531 5.424/5.714 5.512 ± 0.2582
8 1342 1342/1342 1342 ± 0.0000235 5.475 5.3/5.653 5.442 ± 0.2763
9 1342 1342/1342 1342 ± 0.0000235 5.757 5.622/5.954 5.759 ± 0.2897
10 1342 1342/1342 1342 ± 0.0000235 6.281 6.104/6.345 6.209 ± 0.2615
11 1342 1342/1342 1342 ± 0.0000235 6.486 6.243/6.62 6.431 ± 0.2892
12 1342 1342/1342 1342 ± 0.0000235 6.61 6.37/6.788 6.573 ± 0.3364
13 1342 1342/1342 1342 ± 0.0000235 7.076 6.747/7.339 7.031 ± 0.3603
14 1342 1342/1342 1342 ± 0.0000235 7.284 7.027/7.482 7.242 ± 0.3844
15 1342 1342/1342 1342 ± 0.0000235 6.955 6.698/7.24 6.933 ± 0.3908
16 1342 1342/1342 1342 ± 0.0000235 6.313 6.089/6.611 6.301 ± 0.4043
17 1342 1342/1342 1342 ± 0.0000235 6.279 6.085/6.465 6.25 ± 0.3984
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS3.2.sb45663667.eb45887130.60436.11477922453_split_split.ms
Start time
2025-07-25 05:06:39.275
End
2025-07-25 05:36:24.615
Duration
0:29:45.340
Note, WebLog generation is not included in the time.

CASA logs for stage 8