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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.62 5.534/6.324 5.932 ± 0.6056
ea02 1342 1342/1342 1342 ± 0.0000415 6.357 5.727/6.796 6.338 ± 0.6309
ea03 1342 1342/1342 1342 ± 0 5.704 4.974/6.116 5.598 ± 0.5828
ea04 1342 1342/1342 1342 ± 0 5.599 5.164/6.187 5.679 ± 0.5604
ea05 1342 1342/1342 1342 ± 0 6.041 5.585/6.627 5.988 ± 0.6666
ea06 1342 1342/1342 1342 ± 0 4.863 4.829/4.907 4.831 ± 0.1203
ea07 1342 1342/1342 1342 ± 0 6.122 5.749/6.491 6.244 ± 0.627
ea08 1342 1342/1342 1342 ± 0 6.273 5.751/6.911 6.354 ± 0.6756
ea09 1342 1342/1342 1342 ± 0 5.959 5.475/6.651 6.073 ± 0.6992
ea10 1342 1342/1342 1342 ± 0 6.042 5.621/6.859 6.18 ± 0.6683
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.041 5.497/6.528 6.077 ± 0.6881
ea13 1342 1342/1342 1342 ± 0 6.52 6.029/6.836 6.378 ± 0.6325
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.193 5.699/6.678 6.25 ± 0.6918
ea16 1342 1342/1342 1342 ± 0 6.415 5.939/6.949 6.426 ± 0.7464
ea17 1342 1342/1342 1342 ± 0 6.621 6.079/7.318 6.679 ± 0.6548
ea18 1342 1342/1342 1342 ± 0 5.188 4.837/5.627 5.251 ± 0.5145
ea19 1342 1342/1342 1342 ± 0 6.295 5.679/6.772 6.203 ± 0.6435
ea20 1342 1342/1342 1342 ± 0 6.184 5.625/6.67 6.111 ± 0.6672
ea21 1342 1342/1342 1342 ± 0 5.851 5.667/6.552 6.081 ± 0.617
ea22 1342 1342/1342 1342 ± 0 6.129 5.451/6.41 5.979 ± 0.5819
ea23 1342 1342/1342 1342 ± 0 6.077 5.747/6.734 6.248 ± 0.696
ea24 1342 1342/1342 1342 ± 0 6.323 5.674/6.821 6.187 ± 0.6806
ea25 1342 1342/1342 1342 ± 0 5.865 5.493/6.425 5.942 ± 0.6021
ea26 1342 1342/1342 1342 ± 0 6.606 5.987/7.193 6.574 ± 0.7322
ea27 1342 1342/1342 1342 ± 0 5.737 5.64/6.584 5.992 ± 0.6247
ea28 1342 1342/1342 1342 ± 0 5.798 5.441/6.422 5.913 ± 0.6293
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 5.708 5.457/5.808 5.614 ± 0.3345
4 1342 1342/1342 1342 ± 0.00002543 4.943 4.734/5.133 4.905 ± 0.2341
5 1342 1342/1342 1342 ± 0.00002348 5.607 5.433/5.794 5.582 ± 0.3639
6 1342 1342/1342 1342 ± 0.00002348 5.574 5.436/5.772 5.556 ± 0.35
7 1342 1342/1342 1342 ± 0.00002348 5.626 5.469/5.696 5.566 ± 0.3195
8 1342 1342/1342 1342 ± 0.00002348 5.528 5.31/5.7 5.477 ± 0.3503
9 1342 1342/1342 1342 ± 0.00002348 5.771 5.535/6.115 5.74 ± 0.3899
10 1342 1342/1342 1342 ± 0.00002392 6.295 6.072/6.458 6.225 ± 0.3452
11 1342 1342/1342 1342 ± 0.00002392 6.522 6.285/6.623 6.436 ± 0.3228
12 1342 1342/1342 1342 ± 0.00002392 6.588 6.429/6.779 6.593 ± 0.3569
13 1342 1342/1342 1342 ± 0.00002392 7.06 6.935/7.212 7.039 ± 0.3709
14 1342 1342/1342 1342 ± 0.00002392 7.178 7.038/7.519 7.22 ± 0.4001
15 1342 1342/1342 1342 ± 0.00002392 6.868 6.667/7.146 6.86 ± 0.3644
16 1342 1342/1342 1342 ± 0.00002439 6.22 5.97/6.538 6.234 ± 0.3712
17 1342 1342/1342 1342 ± 0.00002439 6.225 6.038/6.493 6.261 ± 0.3526
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-01-11 04:22:53.691
End
2025-01-11 05:21:36.141
Duration
0:58:42.451
Note, WebLog generation is not included in the time.

CASA logs for stage 8