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

Statwt Summary Plot

VLASS2.1.sb38617989.eb38636486.59099.9471230787_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 5.353 5.026/5.772 5.474 ± 0.5264
ea02 1342 1342/1342 1342 ± 0 5.489 5.175/6.248 5.749 ± 0.6444
ea04 1342 1342/1342 1342 ± 0 5.219 4.917/5.878 5.423 ± 0.5696
ea05 1342 1342/1342 1342 ± 0 5.439 5.083/5.963 5.546 ± 0.5978
ea06 1342 1342/1342 1342 ± 0 4.934 4.559/5.443 5.018 ± 0.5103
ea07 1342 1342/1342 1342 ± 0 5.725 5.182/6.024 5.726 ± 0.5761
ea08 1342 1342/1342 1342 ± 0 5.58 5.253/6.36 5.853 ± 0.6603
ea09 1342 1342/1342 1342 ± 0 5.411 5.055/6.08 5.555 ± 0.6198
ea10 1342 1342/1342 1342 ± 0 5.692 5.034/6.331 5.686 ± 0.6766
ea11 1342 1342/1342 1342 ± 0 5.584 4.941/6.086 5.589 ± 0.6474
ea12 1342 1342/1342 1342 ± 0 5.511 5.09/6.171 5.7 ± 0.6552
ea13 1342 1342/1342 1342 ± 0 5.795 5.516/6.14 5.909 ± 0.4957
ea14 1342 1342/1342 1342 ± 0 5.532 5/6.133 5.619 ± 0.6714
ea15 1342 1342/1342 1342 ± 0 5.35 4.874/6.028 5.501 ± 0.6833
ea16 1342 1342/1342 1342 ± 0 5.864 5.407/6.523 6.022 ± 0.7257
ea17 1342 1342/1342 1342 ± 0 5.686 5.311/6.229 5.815 ± 0.6177
ea18 1342 1342/1342 1342 ± 0 4.78 4.517/5.287 4.921 ± 0.5076
ea19 1342 1342/1342 1342 ± 0 5.732 5.311/6.486 5.94 ± 0.6561
ea20 1342 1342/1342 1342 ± 0 5.896 5.483/6.572 6.043 ± 0.6639
ea21 1342 1342/1342 1342 ± 0 5.494 5.142/6.01 5.613 ± 0.5583
ea22 1342 1342/1342 1342 ± 0 5.317 4.951/6.001 5.507 ± 0.6649
ea23 1342 1342/1342 1342 ± 0 5.755 5.177/6.239 5.833 ± 0.6882
ea25 1342 1342/1342 1342 ± 0 5.281 4.938/5.803 5.42 ± 0.5522
ea26 1342 1342/1342 1342 ± 0 5.771 5.392/6.659 5.911 ± 0.6603
ea27 1342 1342/1342 1342 ± 0 5.336 4.98/6.143 5.529 ± 0.5893
ea28 1342 1342/1342 1342 ± 0.00002073 5.435 5.143/6.17 5.65 ± 0.639
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 5.09 4.951/5.327 5.104 ± 0.2404
3 1342 1342/1342 1342 ± 0.00002348 5.074 4.893/5.223 5.061 ± 0.2514
4 1342 1342/1342 1342 ± 0.00002351 4.972 4.799/5.136 4.954 ± 0.294
5 1342 1342/1342 1342 ± 0.00002348 5.097 4.841/5.193 5.06 ± 0.2988
6 1342 1342/1342 1342 ± 0.00002348 5.112 4.912/5.325 5.102 ± 0.2788
7 1342 1342/1342 1342 ± 0.00002348 5.126 4.946/5.254 5.11 ± 0.2481
8 1342 1342/1342 1342 ± 0.00002348 5.137 4.91/5.258 5.083 ± 0.2668
9 1342 1342/1342 1342 ± 0.00002348 5.383 5.243/5.608 5.375 ± 0.2987
10 1342 1342/1342 1342 ± 0.00002348 5.839 5.65/5.984 5.793 ± 0.2931
11 1342 1342/1342 1342 ± 0.00002348 6.083 5.894/6.201 6.014 ± 0.3036
12 1342 1342/1342 1342 ± 0.00002348 6.167 5.925/6.366 6.104 ± 0.4388
13 1342 1342/1342 1342 ± 0.00002348 6.59 6.506/6.743 6.594 ± 0.3312
14 1342 1342/1342 1342 ± 0.00002348 6.819 6.619/6.98 6.782 ± 0.3613
15 1342 1342/1342 1342 ± 0.00002348 6.521 6.278/6.728 6.453 ± 0.3461
16 1342 1342/1342 1342 ± 0.00002432 5.809 5.486/6.008 5.791 ± 0.3522
17 1342 1342/1342 1342 ± 0.00002755 5.797 5.503/6.058 5.805 ± 0.3498
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-01-08 10:25:25.735
End
2025-01-08 11:36:04.343
Duration
1:10:38.608
Note, WebLog generation is not included in the time.

CASA logs for stage 8