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

Statwt Summary Plot

VLASS2.2.sb40528187.eb40882891.59510.17895375_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 6.216 5.542/6.524 6.083 ± 0.6187
ea02 1342 1342/1342 1342 ± 0.00002955 6.014 5.335/6.538 5.909 ± 0.8572
ea03 1342 1342/1342 1342 ± 0 5.516 5.034/6.355 5.608 ± 0.8225
ea04 1342 1342/1342 1342 ± 0 5.713 5.136/6.431 5.802 ± 0.659
ea06 1342 1342/1342 1342 ± 0 6.33 5.471/6.484 6.063 ± 0.6208
ea07 1342 1342/1342 1342 ± 0 5.995 5.406/6.4 5.995 ± 0.6711
ea08 1342 1342/1342 1342 ± 0 6.04 5.513/6.698 6.146 ± 0.7432
ea09 1342 1342/1342 1342 ± 0 5.908 5.276/6.667 5.964 ± 0.7055
ea10 1342 1342/1342 1342 ± 0 5.918 5.305/6.603 5.888 ± 0.7629
ea11 1342 1342/1342 1342 ± 0 6.152 5.301/6.592 6.034 ± 0.7865
ea12 1342 1342/1342 1342 ± 0 5.894 5.378/6.528 6.03 ± 0.7361
ea13 1342 1342/1342 1342 ± 0 5.714 5.649/6.26 5.892 ± 0.552
ea14 1342 1342/1342 1342 ± 0 6.256 5.497/6.656 6.184 ± 0.7098
ea15 1342 1342/1342 1342 ± 0 5.581 4.929/5.947 5.514 ± 0.7224
ea16 1342 1342/1342 1342 ± 0 6.024 5.523/6.658 6.122 ± 0.755
ea17 1342 1342/1342 1342 ± 0 6.351 5.985/7.214 6.574 ± 0.7131
ea18 1342 1342/1342 1342 ± 0 4.4 4.122/4.843 4.496 ± 0.4507
ea19 1342 1342/1342 1342 ± 0 6.107 5.589/6.705 6.2 ± 0.716
ea20 1342 1342/1342 1342 ± 0 5.908 5.465/6.557 5.956 ± 0.7737
ea21 1342 1342/1342 1342 ± 0 5.85 5.384/6.448 5.943 ± 0.6523
ea22 1342 1342/1342 1342 ± 0 6.235 5.372/6.649 6.054 ± 0.7482
ea23 1342 1342/1342 1342 ± 0 6.063 5.508/6.535 6.085 ± 0.7751
ea24 1342 1342/1342 1342 ± 0 5.786 5.006/6.255 5.628 ± 0.6042
ea25 1342 1342/1342 1342 ± 0 6.461 5.565/6.93 6.339 ± 0.8188
ea26 1342 1342/1342 1342 ± 0 6.255 5.627/7.044 6.298 ± 0.7243
ea27 1342 1342/1342 1342 ± 0 5.782 5.33/6.702 5.937 ± 0.7826
ea28 1342 1342/1342 1342 ± 0 6.083 5.6/6.761 6.196 ± 0.7884
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 ± 0.00002305 5.462 5.255/5.695 5.405 ± 0.3285
3 1342 1342/1342 1342 ± 0.0000266 4.809 4.381/5.019 4.751 ± 0.5512
4 1342 1342/1342 1342 ± 0.00002413 5.201 4.901/5.376 5.171 ± 0.4207
5 1342 1342/1342 1342 ± 0.00002305 5.455 5.151/5.526 5.337 ± 0.3661
6 1342 1342/1342 1342 ± 0.00002305 5.362 5.183/5.536 5.308 ± 0.3086
7 1342 1342/1342 1342 ± 0.00002305 5.47 5.264/5.561 5.396 ± 0.3174
8 1342 1342/1342 1342 ± 0.00002305 5.386 5.18/5.619 5.367 ± 0.3526
9 1342 1342/1342 1342 ± 0.00002305 5.768 5.564/5.949 5.696 ± 0.3784
10 1342 1342/1342 1342 ± 0.00002305 6.253 6.067/6.358 6.147 ± 0.3937
11 1342 1342/1342 1342 ± 0.00002305 6.486 6.26/6.601 6.382 ± 0.4019
12 1342 1342/1342 1342 ± 0.00002305 6.633 6.415/6.672 6.526 ± 0.4296
13 1342 1342/1342 1342 ± 0.00002305 7.012 6.84/7.295 6.987 ± 0.4699
14 1342 1342/1342 1342 ± 0.00002305 7.254 7.108/7.487 7.193 ± 0.4759
15 1342 1342/1342 1342 ± 0.00002305 6.924 6.738/7.101 6.872 ± 0.4403
16 1342 1342/1342 1342 ± 0.00002305 6.231 6.079/6.489 6.237 ± 0.4332
17 1342 1342/1342 1342 ± 0.00002305 6.28 6.019/6.429 6.201 ± 0.4091
vis
VLASS2.2.sb40528187.eb40882891.59510.17895375_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-05-24 01:36:18.379
End
2025-05-24 02:42:11.381
Duration
1:05:53.003
Note, WebLog generation is not included in the time.

CASA logs for stage 8