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 5.682 5.598/6.505 5.904 ± 0.6961
ea02 1342 1342/1342 1342 ± 0 6.033 5.501/6.419 6.041 ± 0.7462
ea03 1342 1342/1342 1342 ± 0 6.034 5.376/6.653 5.969 ± 0.7153
ea04 1342 1342/1342 1342 ± 0.00000247 5.357 4.901/5.941 5.393 ± 0.605
ea05 1342 1342/1342 1342 ± 0.000003107 5.535 5.132/6.416 5.66 ± 0.7448
ea06 1342 1342/1342 1342 ± 0 5.619 5.025/5.959 5.573 ± 0.6458
ea07 1342 1342/1342 1342 ± 0 5.81 5.08/6.137 5.688 ± 0.8016
ea08 1342 1342/1342 1342 ± 0 5.958 5.378/6.462 5.947 ± 0.7366
ea09 1342 1342/1342 1342 ± 0 5.594 5.043/6.27 5.61 ± 0.6903
ea10 1342 1342/1342 1342 ± 0 5.296 5.145/6.035 5.488 ± 0.6072
ea11 1342 1342/1342 1342 ± 0.00003123 5.468 4.92/6.307 5.519 ± 0.8317
ea12 1342 1342/1342 1342 ± 0.00001267 5.358 5.25/6.224 5.585 ± 0.6066
ea14 1342 1342/1342 1342 ± 0 5.644 5.378/6.374 5.813 ± 0.6576
ea15 1342 1342/1342 1342 ± 0.00001373 5.875 5.476/6.596 6.01 ± 0.8183
ea16 1342 1342/1342 1342 ± 0 5.914 5.538/6.582 6.026 ± 0.709
ea17 1342 1342/1342 1342 ± 0 6.03 5.6/6.889 6.115 ± 0.6972
ea18 1342 1342/1342 1342 ± 0 6.404 5.755/7.021 6.291 ± 0.7807
ea19 1342 1342/1342 1342 ± 0.00001579 5.65 5.299/6.585 5.839 ± 0.7013
ea20 1342 1342/1342 1342 ± 0 6.412 5.759/6.987 6.288 ± 0.7868
ea22 1342 1342/1342 1342 ± 0 5.565 5.146/6.121 5.569 ± 0.5878
ea23 1342 1342/1342 1342 ± 0.000006241 5.538 5.386/6.32 5.821 ± 0.7092
ea24 1342 1342/1342 1342 ± 0 6.092 5.048/6.493 5.755 ± 0.7926
ea25 1342 1342/1342 1342 ± 0 6.4 5.544/6.832 6.279 ± 0.8617
ea27 1342 1342/1342 1342 ± 0 5.584 5.218/6.421 5.757 ± 0.6708
ea28 1342 1342/1342 1342 ± 0 6.38 5.711/7.002 6.29 ± 0.7922
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 ± 0.00002392 5.406 5.233/5.628 5.45 ± 0.2959
3 1342 1342/1342 1342 ± 0.00002955 3.783 3.32/4.062 3.726 ± 0.5055
4 1342 1342/1342 1342 ± 0.00003001 4.594 4.358/4.748 4.558 ± 0.2962
5 1342 1342/1342 1342 ± 0.00002392 5.372 5.077/5.631 5.374 ± 0.3125
6 1342 1342/1342 1342 ± 0.00002392 5.184 4.957/5.367 5.165 ± 0.267
7 1342 1342/1342 1342 ± 0.00002392 5.344 5.132/5.531 5.332 ± 0.2507
8 1342 1342/1342 1342 ± 0.00002392 5.335 5.091/5.502 5.316 ± 0.2982
9 1342 1342/1342 1342 ± 0.00002392 5.626 5.445/5.825 5.614 ± 0.2861
10 1342 1342/1342 1342 ± 0.00002392 6.092 5.916/6.22 6.079 ± 0.2498
11 1342 1342/1342 1342 ± 0.00002392 6.329 6.093/6.431 6.302 ± 0.2689
12 1342 1342/1342 1342 ± 0.00002392 6.445 6.292/6.6 6.474 ± 0.3097
13 1342 1342/1342 1342 ± 0.00002392 6.905 6.753/7.132 6.942 ± 0.3425
14 1342 1342/1342 1342 ± 0.00002392 6.916 6.646/7.28 6.949 ± 0.4237
15 1342 1342/1342 1342 ± 0.00002392 6.764 6.422/7.023 6.711 ± 0.3409
16 1342 1342/1342 1342 ± 0.00002744 5.88 5.513/6.173 5.881 ± 0.4618
17 1342 1342/1342 1342 ± 0.00003171 5.767 5.488/6.057 5.791 ± 0.401
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-31 03:39:55.369
End
2025-07-31 04:44:37.742
Duration
1:04:42.373
Note, WebLog generation is not included in the time.

CASA logs for stage 8