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

Statwt Summary Plot

VLASS3.2.sb45490828.eb46106518.60453.38273079861_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 5.823 5.748/6.75 6.191 ± 0.5965
ea02 1342 1342/1342 1342 ± 0 6.124 5.871/6.547 6.315 ± 0.5982
ea03 1342 1342/1342 1342 ± 0.000001607 6.248 5.6/6.914 6.298 ± 0.7256
ea04 1342 1342/1342 1342 ± 0.00001202 5.613 5.316/6.233 5.779 ± 0.5216
ea05 1342 1342/1342 1342 ± 0.000007882 5.827 5.507/6.793 6.103 ± 0.6295
ea06 1342 1342/1342 1342 ± 0.000002273 5.832 5.324/6.286 5.909 ± 0.6389
ea07 1342 1342/1342 1342 ± 0 6.119 5.479/6.5 6.172 ± 0.7004
ea08 1342 1342/1342 1342 ± 0 6.354 5.87/6.955 6.518 ± 0.6643
ea09 1342 1342/1342 1342 ± 0 5.706 5.28/6.465 5.811 ± 0.601
ea10 1342 1342/1342 1342 ± 0 5.689 5.419/6.411 5.883 ± 0.6062
ea11 1342 1342/1342 1342 ± 0.00003747 5.826 5.171/6.61 5.941 ± 0.6918
ea12 1342 1342/1342 1342 ± 0.00002708 5.618 5.467/6.389 5.904 ± 0.5443
ea14 1342 1342/1342 1342 ± 0 5.956 5.718/6.715 6.201 ± 0.552
ea15 1342 1342/1342 1342 ± 0.0000248 5.901 5.71/6.777 6.221 ± 0.6752
ea16 1342 1342/1342 1342 ± 0.00001159 6.162 5.886/6.824 6.358 ± 0.6898
ea17 1342 1342/1342 1342 ± 0 6.225 5.874/7.213 6.428 ± 0.6881
ea18 1342 1342/1342 1342 ± 0 6.59 6.061/7.267 6.669 ± 0.6651
ea19 1342 1342/1342 1342 ± 0.00003128 5.947 5.744/6.875 6.256 ± 0.6197
ea20 1342 1342/1342 1342 ± 0 6.204 5.984/7.136 6.522 ± 0.625
ea21 1342 1342/1342 1342 ± 0.000005204 5.461 5.224/6.062 5.696 ± 0.533
ea22 1342 1342/1342 1342 ± 0 5.863 5.519/6.514 5.981 ± 0.5787
ea23 1342 1342/1342 1342 ± 0 5.911 5.632/6.614 6.193 ± 0.6618
ea24 1342 1342/1342 1342 ± 0 6.189 5.381/6.766 6.077 ± 0.6794
ea25 1342 1342/1342 1342 ± 0 6.552 5.815/7.088 6.59 ± 0.8162
ea27 1342 1342/1342 1342 ± 0.00001327 5.742 5.563/6.641 6.055 ± 0.6318
ea28 1342 1342/1342 1342 ± 0 6.444 5.849/7.107 6.47 ± 0.6464
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 5.62 5.476/5.858 5.65 ± 0.2624
5 1342 1342/1342 1342 ± 0.00002348 5.505 5.228/5.682 5.492 ± 0.2774
6 1342 1342/1342 1342 ± 0.00002348 5.616 5.387/5.819 5.594 ± 0.262
7 1342 1342/1342 1342 ± 0.00002348 5.645 5.388/5.809 5.6 ± 0.2386
8 1342 1342/1342 1342 ± 0.00002348 5.554 5.247/5.699 5.524 ± 0.2835
9 1342 1342/1342 1342 ± 0.00002348 5.857 5.651/5.987 5.822 ± 0.2852
10 1342 1342/1342 1342 ± 0.00002348 6.32 6.184/6.432 6.305 ± 0.2579
11 1342 1342/1342 1342 ± 0.00002348 6.568 6.274/6.729 6.538 ± 0.2772
12 1342 1342/1342 1342 ± 0.00002348 6.712 6.493/6.914 6.711 ± 0.3117
13 1342 1342/1342 1342 ± 0.00002348 7.23 6.899/7.443 7.189 ± 0.3348
14 1342 1342/1342 1342 ± 0.00002348 7.184 6.932/7.53 7.232 ± 0.4037
15 1342 1342/1342 1342 ± 0.00002348 7.056 6.697/7.273 6.982 ± 0.3381
16 1342 1342/1342 1342 ± 0.00004442 5.764 5.539/6.174 5.855 ± 0.395
17 1342 1342/1342 1342 ± 0.00003419 5.874 5.714/6.24 5.949 ± 0.3618
output_dir
 
statwtmode
VLASS-SE
vis
VLASS3.2.sb45490828.eb46106518.60453.38273079861_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-31 00:08:22.628
End
2025-07-31 01:18:41.415
Duration
1:10:18.787
Note, WebLog generation is not included in the time.

CASA logs for stage 8