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

Statwt Summary Plot

VLASS2.1.sb38499285.eb38509861.59047.50492306713_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 5.7 5.412/6.241 5.67 ± 0.8056
ea02 1342 1342/1342 1342 ± 0.0000423 5.881 5.62/6.898 6.04 ± 0.9475
ea04 1342 1342/1342 1342 ± 0 5.375 4.888/5.999 5.275 ± 0.8025
ea05 1342 1342/1342 1342 ± 0.000007764 5.453 5.093/6.392 5.668 ± 0.7876
ea06 1342 1342/1342 1342 ± 0.000001664 5.128 4.767/5.726 5.081 ± 0.7841
ea07 1342 1342/1342 1342 ± 0.00004272 5.968 5.479/6.34 5.751 ± 0.8297
ea08 1342 1342/1342 1342 ± 0.00004238 6.111 5.78/7.082 6.212 ± 1.008
ea09 1342 1342/1342 1342 ± 0.00001573 5.382 4.941/5.916 5.342 ± 0.5926
ea10 1342 1342/1342 1342 ± 0.0000423 5.11 4.9/5.977 5.255 ± 0.7237
ea11 1342 1342/1342 1342 ± 0.0000423 5.981 5.475/6.777 5.879 ± 0.9998
ea12 1342 1342/1342 1342 ± 0.000005922 5.468 5.339/6.498 5.611 ± 0.9893
ea13 1342 1342/1342 1342 ± 0.00001963 6.134 5.767/6.486 6.076 ± 0.729
ea14 1342 1342/1342 1342 ± 0.000003926 5.677 5.305/6.616 5.804 ± 0.808
ea15 1342 1342/1342 1342 ± 0 5.387 5.074/6.267 5.487 ± 0.8833
ea16 1342 1342/1342 1342 ± 0.00001587 5.755 5.463/6.729 5.851 ± 0.8662
ea17 1342 1342/1342 1342 ± 0.00004414 6.062 5.677/6.832 6.112 ± 0.9846
ea18 1342 1342/1342 1342 ± 0.00003622 5.065 4.783/5.801 5.086 ± 0.7322
ea19 1342 1342/1342 1342 ± 0 5.71 5.377/6.713 5.94 ± 0.8081
ea20 1342 1342/1342 1342 ± 0.00001941 6.071 5.757/6.985 6.114 ± 1.127
ea21 1342 1342/1342 1342 ± 0.00001324 5.45 5.25/6.295 5.569 ± 0.7791
ea22 1342 1342/1342 1342 ± 0.00003941 5.534 5.302/6.502 5.745 ± 0.7962
ea23 1342 1342/1342 1342 ± 0.00004279 6.478 6.048/6.736 6.005 ± 1.139
ea24 1342 1342/1342 1342 ± 0.000007839 5.344 4.953/6.219 5.566 ± 0.6721
ea25 1342 1342/1342 1342 ± 0.00004232 5.821 5.421/6.491 5.761 ± 0.8939
ea26 1342 1342/1342 1342 ± 0.00003116 6.01 5.737/6.998 6.18 ± 0.8405
ea27 1342 1342/1342 1342 ± 0.00004316 5.729 5.304/6.585 5.716 ± 0.8702
ea28 1342 1342/1342 1342 ± 0.0000423 5.938 5.653/6.902 6.003 ± 0.9848
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 5.765 5.312/5.986 5.663 ± 0.3974
3 1342 1342/1342 1342 ± 0.00003057 5.433 5.034/5.695 5.349 ± 0.4413
5 1342 1342/1342 1342 ± 0.0000244 5.372 5.065/5.642 5.372 ± 0.3724
6 1342 1342/1342 1342 ± 0.00002348 5.454 5.084/5.663 5.385 ± 0.3416
7 1342 1342/1342 1342 ± 0.00002348 5.445 5.094/5.605 5.412 ± 0.3242
8 1342 1342/1342 1342 ± 0.00002348 5.451 5.081/5.621 5.379 ± 0.356
9 1342 1342/1342 1342 ± 0.00002376 5.718 5.407/5.94 5.664 ± 0.3678
10 1342 1342/1342 1342 ± 0.00002306 6.168 5.847/6.369 6.1 ± 0.3704
11 1342 1342/1342 1342 ± 0.00002306 6.44 6.21/6.716 6.398 ± 0.365
12 1342 1342/1342 1342 ± 0.00002306 6.675 6.382/6.892 6.579 ± 0.3967
13 1342 1342/1342 1342 ± 0.00002306 6.9 6.507/7.176 6.793 ± 0.4214
14 1342 1342/1342 1342 ± 0.00002438 6.605 6.264/6.95 6.606 ± 0.5241
15 1342 1342/1342 1342 ± 0.0000246 6.733 6.301/6.96 6.626 ± 0.4719
16 1342 1342/1342 1342 ± 0.00006086 3.997 3.779/4.3 4.065 ± 0.3888
17 1342 1342/1342 1342 ± 0.00006078 4.188 3.955/4.482 4.204 ± 0.371
statwtmode
VLASS-SE
vis
VLASS2.1.sb38499285.eb38509861.59047.50492306713_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-14 08:04:27.759
End
2025-01-14 08:35:50.969
Duration
0:31:23.211
Note, WebLog generation is not included in the time.

CASA logs for stage 8