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

Statwt Summary Plot

VLASS2.1.sb38550653.eb38589596.59083.30140427084_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 5.411 5.325/6.087 5.69 ± 0.4921
ea02 1342 1342/1342 1342 ± 0 5.92 5.635/6.67 6.132 ± 0.604
ea04 1342 1342/1342 1342 ± 0 5.486 5.088/6.123 5.611 ± 0.55
ea05 1342 1342/1342 1342 ± 0 5.909 5.423/6.532 5.954 ± 0.6051
ea06 1342 1342/1342 1342 ± 0 5.015 4.553/5.301 4.958 ± 0.4045
ea07 1342 1342/1342 1342 ± 0 5.704 5.421/6.221 5.905 ± 0.5632
ea08 1342 1342/1342 1342 ± 0 5.946 5.728/6.739 6.209 ± 0.6135
ea09 1342 1342/1342 1342 ± 0 5.893 5.318/6.59 5.931 ± 0.611
ea10 1342 1342/1342 1342 ± 0.000008818 5.629 5.237/6.335 5.767 ± 0.5681
ea11 1342 1342/1342 1342 ± 0 6.01 5.189/6.329 5.886 ± 0.6152
ea12 1342 1342/1342 1342 ± 0 5.972 5.402/6.457 6.013 ± 0.6315
ea13 1342 1342/1342 1342 ± 0 6.207 5.731/6.349 6.163 ± 0.485
ea14 1342 1342/1342 1342 ± 0.00000251 5.675 5.332/6.481 5.866 ± 0.6619
ea15 1342 1342/1342 1342 ± 0 5.708 5.067/6.259 5.724 ± 0.6871
ea16 1342 1342/1342 1342 ± 0.000006039 6.038 5.727/6.844 6.24 ± 0.6842
ea17 1342 1342/1342 1342 ± 0 5.987 5.575/6.54 6.104 ± 0.5812
ea18 1342 1342/1342 1342 ± 0 5.205 4.783/5.659 5.248 ± 0.514
ea19 1342 1342/1342 1342 ± 0 6.112 5.605/6.769 6.156 ± 0.6139
ea20 1342 1342/1342 1342 ± 0 6.332 5.743/6.786 6.288 ± 0.6322
ea21 1342 1342/1342 1342 ± 0.000001944 5.585 5.425/6.356 5.831 ± 0.5688
ea22 1342 1342/1342 1342 ± 0 5.733 5.311/6.481 5.887 ± 0.6063
ea23 1342 1342/1342 1342 ± 0 5.656 5.498/6.609 6.043 ± 0.6658
ea25 1342 1342/1342 1342 ± 0 5.831 5.302/6.2 5.796 ± 0.565
ea26 1342 1342/1342 1342 ± 0 6.025 5.612/6.724 6.17 ± 0.5774
ea27 1342 1342/1342 1342 ± 0.00003665 5.589 5.375/6.373 5.82 ± 0.5542
ea28 1342 1342/1342 1342 ± 0.00000275 5.628 5.422/6.503 5.926 ± 0.6124
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 ± 0.00002349 5.419 5.229/5.609 5.389 ± 0.2661
4 1342 1342/1342 1342 ± 0.00002349 5.275 5.183/5.491 5.275 ± 0.3515
5 1342 1342/1342 1342 ± 0.00002349 5.428 5.215/5.571 5.408 ± 0.3289
6 1342 1342/1342 1342 ± 0.00002349 5.299 5.102/5.478 5.281 ± 0.301
7 1342 1342/1342 1342 ± 0.00002349 5.376 5.237/5.552 5.373 ± 0.282
8 1342 1342/1342 1342 ± 0.00002349 5.415 5.166/5.566 5.334 ± 0.3013
9 1342 1342/1342 1342 ± 0.00002349 5.666 5.518/5.855 5.617 ± 0.3347
10 1342 1342/1342 1342 ± 0.00002349 6.106 5.972/6.258 6.043 ± 0.3157
11 1342 1342/1342 1342 ± 0.00002349 6.338 6.119/6.417 6.257 ± 0.3352
12 1342 1342/1342 1342 ± 0.00002349 6.479 6.286/6.632 6.412 ± 0.3583
13 1342 1342/1342 1342 ± 0.00002349 6.919 6.712/7.028 6.834 ± 0.3806
14 1342 1342/1342 1342 ± 0.00002349 7.005 6.823/7.241 6.969 ± 0.4111
15 1342 1342/1342 1342 ± 0.00002349 6.581 6.373/6.794 6.539 ± 0.3962
16 1342 1342/1342 1342 ± 0.0000331 5.826 5.616/6.109 5.854 ± 0.3407
17 1342 1342/1342 1342 ± 0.00002901 5.87 5.642/6.129 5.863 ± 0.3394
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38550653.eb38589596.59083.30140427084_split_split.ms
statwtmode
VLASS-SE
Start time
2024-05-17 10:54:06.266
End
2024-05-17 12:02:30.026
Duration
1:08:23.759
Note, WebLog generation is not included in the time.

CASA logs for stage 8