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

Statwt Summary Plot

VLASS3.2.sb45489670.eb46132517.60459.18880607639_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 6.089 5.55/6.543 5.922 ± 0.8721
ea02 1342 1342/1342 1342 ± 0 6.234 5.485/6.469 5.958 ± 1.007
ea03 1342 1342/1342 1342 ± 0 6.047 5.374/6.658 6.014 ± 0.733
ea04 1342 1342/1342 1342 ± 0.00002028 5.493 4.942/6.001 5.467 ± 0.6384
ea05 1342 1342/1342 1342 ± 0.00002039 5.525 5.147/6.486 5.636 ± 0.8804
ea06 1342 1342/1342 1342 ± 0 5.876 4.969/6.012 5.498 ± 0.867
ea07 1342 1342/1342 1342 ± 0 5.985 5.057/6.151 5.722 ± 0.8276
ea08 1342 1342/1342 1342 ± 0 6.168 5.358/6.536 5.944 ± 0.8207
ea09 1342 1342/1342 1342 ± 0.000008489 5.57 4.982/6.276 5.62 ± 0.7586
ea10 1342 1342/1342 1342 ± 0 5.381 5.064/6.108 5.553 ± 0.6089
ea11 1342 1342/1342 1342 ± 0.00003675 5.428 5.144/6.341 5.532 ± 0.8994
ea12 1342 1342/1342 1342 ± 0.000001483 5.349 5.241/6.239 5.551 ± 0.7672
ea14 1342 1342/1342 1342 ± 0.0000204 5.679 5.392/6.455 5.854 ± 0.6955
ea15 1342 1342/1342 1342 ± 0.00002781 6.143 5.52/6.677 5.95 ± 1.162
ea16 1342 1342/1342 1342 ± 0 6.083 5.504/6.556 6.079 ± 0.7543
ea17 1342 1342/1342 1342 ± 0 6.134 5.569/6.927 6.173 ± 0.6919
ea18 1342 1342/1342 1342 ± 0 6.45 5.733/7.108 6.264 ± 0.8818
ea19 1342 1342/1342 1342 ± 0 5.833 5.308/6.614 5.793 ± 0.832
ea20 1342 1342/1342 1342 ± 0.000002954 6.507 5.749/6.998 6.23 ± 0.9253
ea22 1342 1342/1342 1342 ± 0 5.685 5.126/6.164 5.531 ± 0.713
ea23 1342 1342/1342 1342 ± 0.000001504 5.749 5.384/6.393 5.919 ± 0.7233
ea24 1342 1342/1342 1342 ± 0 6.016 4.607/6.338 5.514 ± 0.9665
ea25 1342 1342/1342 1342 ± 0 6.434 5.492/6.998 6.19 ± 1.112
ea27 1342 1342/1342 1342 ± 0 5.789 5.184/6.434 5.667 ± 0.986
ea28 1342 1342/1342 1342 ± 0 6.429 5.724/7.006 6.245 ± 0.8845
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 ± 0.00002398 5.372 5.228/5.596 5.378 ± 0.3613
3 1342 1342/1342 1342 ± 0.00003008 3.61 3.016/3.966 3.467 ± 0.6234
4 1342 1342/1342 1342 ± 0.00003001 4.623 4.471/4.796 4.595 ± 0.3126
5 1342 1342/1342 1342 ± 0.00002398 5.365 5.105/5.614 5.319 ± 0.3396
6 1342 1342/1342 1342 ± 0.00002398 5.227 4.999/5.489 5.208 ± 0.2824
7 1342 1342/1342 1342 ± 0.00002398 5.367 5.129/5.507 5.333 ± 0.2634
8 1342 1342/1342 1342 ± 0.00002398 5.346 5.1/5.543 5.304 ± 0.329
9 1342 1342/1342 1342 ± 0.00002398 5.635 5.437/5.839 5.616 ± 0.3042
10 1342 1342/1342 1342 ± 0.00002398 6.11 5.988/6.27 6.109 ± 0.2558
11 1342 1342/1342 1342 ± 0.00002398 6.348 6.121/6.456 6.333 ± 0.2744
12 1342 1342/1342 1342 ± 0.00002398 6.479 6.248/6.664 6.494 ± 0.3107
13 1342 1342/1342 1342 ± 0.00002398 6.968 6.744/7.165 6.989 ± 0.3481
14 1342 1342/1342 1342 ± 0.00002398 7.152 6.833/7.425 7.124 ± 0.3777
15 1342 1342/1342 1342 ± 0.00002398 6.837 6.433/7.075 6.771 ± 0.3413
16 1342 1342/1342 1342 ± 0.00003619 6.093 5.724/6.354 6.062 ± 0.4577
17 1342 1342/1342 1342 ± 0.00003885 6.004 5.705/6.318 6.021 ± 0.4165
datacolumn
residual_data
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2025-07-30 23:50:55.594
End
2025-07-31 00:19:11.013
Duration
0:28:15.418
Note, WebLog generation is not included in the time.

CASA logs for stage 8