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

Statwt Summary Plot

VLASS2.2.sb40493634.eb40941789.59520.06707907407_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 5.868 5.72/6.623 6.176 ± 0.604
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.843 5.307/6.623 5.985 ± 0.6652
ea06 1342 1342/1342 1342 ± 0 6.137 5.525/6.466 6.077 ± 0.5787
ea07 1342 1342/1342 1342 ± 0 6.181 5.544/6.451 6.111 ± 0.6269
ea08 1342 1342/1342 1342 ± 0.00002966 5.966 5.732/6.721 6.24 ± 0.6402
ea09 1342 1342/1342 1342 ± 0.00001713 5.922 5.405/6.73 6.043 ± 0.689
ea10 1342 1342/1342 1342 ± 0.000008972 6.058 5.502/6.846 6.195 ± 0.6467
ea11 1342 1342/1342 1342 ± 0 6.089 5.438/6.664 6.143 ± 0.6789
ea12 1342 1342/1342 1342 ± 0 6.249 5.628/6.724 6.257 ± 0.6682
ea13 1342 1342/1342 1342 ± 0.00002297 5.9 5.794/6.441 6.141 ± 0.508
ea14 1342 1342/1342 1342 ± 0 6.422 5.805/6.892 6.456 ± 0.7167
ea15 1342 1342/1342 1342 ± 0 5.702 5.103/6.098 5.653 ± 0.6443
ea16 1342 1342/1342 1342 ± 0 6.458 5.734/6.907 6.459 ± 0.7715
ea17 1342 1342/1342 1342 ± 0 6.598 5.941/7.367 6.654 ± 0.7259
ea18 1342 1342/1342 1342 ± 0 5.073 4.703/5.525 5.117 ± 0.5192
ea19 1342 1342/1342 1342 ± 0 6.567 5.835/7.141 6.529 ± 0.7065
ea20 1342 1342/1342 1342 ± 0 6.011 5.746/6.949 6.273 ± 0.6444
ea21 1342 1342/1342 1342 ± 0 6.193 5.606/6.634 6.197 ± 0.6348
ea22 1342 1342/1342 1342 ± 0 6.245 5.486/6.727 6.139 ± 0.6769
ea23 1342 1342/1342 1342 ± 0 6.104 5.727/6.8 6.322 ± 0.6982
ea24 1342 1342/1342 1342 ± 0.000002929 5.662 5.046/6.265 5.641 ± 0.6081
ea26 1342 1342/1342 1342 ± 0.00001046 6.209 5.723/7.049 6.351 ± 0.6982
ea27 1342 1342/1342 1342 ± 0.0000127 6.09 5.63/7.038 6.261 ± 0.739
ea28 1342 1342/1342 1342 ± 0.00001617 6.023 5.794/6.992 6.415 ± 0.7366
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 ± 0.00002441 5.576 5.48/5.763 5.571 ± 0.299
4 1342 1342/1342 1342 ± 0.00002889 5.399 5.178/5.529 5.29 ± 0.3676
5 1342 1342/1342 1342 ± 0.00002441 5.629 5.348/5.768 5.532 ± 0.3353
6 1342 1342/1342 1342 ± 0.00002441 5.581 5.363/5.713 5.501 ± 0.2811
7 1342 1342/1342 1342 ± 0.00002441 5.61 5.464/5.788 5.565 ± 0.286
8 1342 1342/1342 1342 ± 0.00002441 5.512 5.427/5.782 5.505 ± 0.321
9 1342 1342/1342 1342 ± 0.00002441 5.9 5.701/6.031 5.808 ± 0.3262
10 1342 1342/1342 1342 ± 0.00002441 6.356 6.247/6.458 6.269 ± 0.3397
11 1342 1342/1342 1342 ± 0.00002441 6.565 6.421/6.728 6.511 ± 0.3429
12 1342 1342/1342 1342 ± 0.00002441 6.727 6.418/6.942 6.669 ± 0.3828
13 1342 1342/1342 1342 ± 0.00002441 7.145 6.951/7.432 7.136 ± 0.4128
14 1342 1342/1342 1342 ± 0.00002441 7.376 7.212/7.638 7.349 ± 0.4048
15 1342 1342/1342 1342 ± 0.00002441 7.018 6.804/7.363 6.991 ± 0.4069
16 1342 1342/1342 1342 ± 0.00002441 6.265 6.081/6.45 6.253 ± 0.3908
17 1342 1342/1342 1342 ± 0.00004232 6.102 5.89/6.407 6.15 ± 0.3901
statwtmode
VLASS-SE
vis
VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-04-18 17:00:09.417
End
2025-04-18 18:06:22.504
Duration
1:06:13.087
Note, WebLog generation is not included in the time.

CASA logs for stage 8