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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 5.846/6.736 6.283 ± 0.5699
ea02 1342 1342/1342 1342 ± 0 6.197 5.858/6.94 6.385 ± 0.644
ea03 1342 1342/1342 1342 ± 0.000001155 5.401 5.188/6.587 5.783 ± 0.6976
ea04 1342 1342/1342 1342 ± 0 5.933 5.419/6.598 6.035 ± 0.6471
ea06 1342 1342/1342 1342 ± 0 6.329 5.633/6.584 6.19 ± 0.6076
ea07 1342 1342/1342 1342 ± 0 5.981 5.436/6.093 5.921 ± 0.4832
ea08 1342 1342/1342 1342 ± 0.000001155 6.231 5.826/6.996 6.457 ± 0.6123
ea09 1342 1342/1342 1342 ± 0 6.114 5.567/6.837 6.173 ± 0.6558
ea10 1342 1342/1342 1342 ± 0 6.052 5.614/6.711 6.152 ± 0.5779
ea11 1342 1342/1342 1342 ± 0 6.342 5.706/6.951 6.421 ± 0.6925
ea12 1342 1342/1342 1342 ± 0 6.276 5.747/6.85 6.362 ± 0.6514
ea13 1342 1342/1342 1342 ± 0 6.22 5.82/6.741 6.379 ± 0.5378
ea14 1342 1342/1342 1342 ± 0 6.369 5.688/6.72 6.273 ± 0.6836
ea15 1342 1342/1342 1342 ± 0 6.186 5.584/6.637 6.154 ± 0.6917
ea16 1342 1342/1342 1342 ± 0 6.286 5.809/6.734 6.351 ± 0.6243
ea17 1342 1342/1342 1342 ± 0 6.654 6.301/7.518 6.853 ± 0.6468
ea18 1342 1342/1342 1342 ± 0 4.957 4.624/5.303 4.972 ± 0.4126
ea19 1342 1342/1342 1342 ± 0 6.45 5.916/7.031 6.497 ± 0.6308
ea20 1342 1342/1342 1342 ± 0 6.155 5.877/7.034 6.392 ± 0.6194
ea21 1342 1342/1342 1342 ± 0 6.011 5.701/6.685 6.232 ± 0.5721
ea22 1342 1342/1342 1342 ± 0 6.528 5.729/6.874 6.378 ± 0.644
ea23 1342 1342/1342 1342 ± 0 6.283 5.877/6.904 6.453 ± 0.6826
ea24 1342 1342/1342 1342 ± 0 6.116 5.481/6.696 6.047 ± 0.6196
ea25 1342 1342/1342 1342 ± 0 6.175 5.429/6.476 6.07 ± 0.7037
ea26 1342 1342/1342 1342 ± 0 6.347 5.779/7.067 6.397 ± 0.6443
ea27 1342 1342/1342 1342 ± 0 5.923 5.751/6.944 6.254 ± 0.6637
ea28 1342 1342/1342 1342 ± 0 5.965 5.724/6.879 6.288 ± 0.6584
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 ± 0.00002306 5.719 5.613/5.85 5.683 ± 0.3103
4 1342 1342/1342 1342 ± 0.00002464 5.513 5.183/5.631 5.439 ± 0.4203
5 1342 1342/1342 1342 ± 0.00002306 5.741 5.481/5.96 5.7 ± 0.3659
6 1342 1342/1342 1342 ± 0.00002306 5.612 5.488/5.84 5.613 ± 0.3117
7 1342 1342/1342 1342 ± 0.00002306 5.712 5.547/5.873 5.684 ± 0.3055
8 1342 1342/1342 1342 ± 0.00002306 5.643 5.418/5.815 5.628 ± 0.3209
9 1342 1342/1342 1342 ± 0.00002306 5.955 5.821/6.106 5.931 ± 0.3483
10 1342 1342/1342 1342 ± 0.00002306 6.418 6.208/6.581 6.364 ± 0.3545
11 1342 1342/1342 1342 ± 0.00002306 6.652 6.472/6.796 6.587 ± 0.3699
12 1342 1342/1342 1342 ± 0.00002306 6.744 6.627/6.936 6.726 ± 0.3933
13 1342 1342/1342 1342 ± 0.00002306 7.254 7/7.388 7.173 ± 0.4156
14 1342 1342/1342 1342 ± 0.00002306 7.451 7.237/7.556 7.362 ± 0.4009
15 1342 1342/1342 1342 ± 0.00002306 7.049 6.865/7.22 6.993 ± 0.3925
16 1342 1342/1342 1342 ± 0.00002307 6.277 6.059/6.47 6.242 ± 0.3898
17 1342 1342/1342 1342 ± 0.00002307 6.204 6.002/6.41 6.175 ± 0.3723
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-05-14 14:29:46.194
End
2025-05-14 15:40:02.213
Duration
1:10:16.019
Note, WebLog generation is not included in the time.

CASA logs for stage 8