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

Statwt Summary Plot

VLASS2.1.sb38620321.eb38711360.59131.8760765162_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 5.732 5.134/6.105 5.68 ± 0.5471
ea02 1342 1342/1342 1342 ± 0 5.646 5.341/6.552 5.93 ± 0.6755
ea03 1342 1342/1342 1342 ± 0.00002117 5.305 4.729/5.999 5.39 ± 0.6675
ea04 1342 1342/1342 1342 ± 0 5.19 4.892/6.022 5.417 ± 0.6271
ea05 1342 1342/1342 1342 ± 0 5.505 5.021/6.146 5.623 ± 0.678
ea06 1342 1342/1342 1342 ± 0 5.023 4.661/5.451 5.074 ± 0.4443
ea07 1342 1342/1342 1342 ± 0 5.892 5.261/6.17 5.849 ± 0.6119
ea08 1342 1342/1342 1342 ± 0 5.847 5.501/6.699 6.102 ± 0.7333
ea09 1342 1342/1342 1342 ± 0 5.51 5.146/6.32 5.708 ± 0.6814
ea10 1342 1342/1342 1342 ± 0 5.823 5.162/6.511 5.808 ± 0.7075
ea11 1342 1342/1342 1342 ± 0 5.923 5.177/6.359 5.888 ± 0.6786
ea12 1342 1342/1342 1342 ± 0 5.482 5.053/6.111 5.65 ± 0.6373
ea13 1342 1342/1342 1342 ± 0 5.938 5.738/6.465 6.138 ± 0.5421
ea15 1342 1342/1342 1342 ± 0 5.529 5.064/6.337 5.715 ± 0.7354
ea16 1342 1342/1342 1342 ± 0 5.864 5.355/6.585 6.007 ± 0.7693
ea17 1342 1342/1342 1342 ± 0 6.106 5.678/6.701 6.217 ± 0.6939
ea18 1342 1342/1342 1342 ± 0 4.821 4.549/5.309 4.96 ± 0.5136
ea19 1342 1342/1342 1342 ± 0 5.789 5.134/6.323 5.765 ± 0.6415
ea20 1342 1342/1342 1342 ± 0 5.738 5.22/6.369 5.821 ± 0.6222
ea21 1342 1342/1342 1342 ± 0 5.569 5.109/6.067 5.614 ± 0.6225
ea22 1342 1342/1342 1342 ± 0 5.478 5.17/6.353 5.737 ± 0.7061
ea23 1342 1342/1342 1342 ± 0 5.906 5.194/6.399 5.947 ± 0.7323
ea24 1342 1342/1342 1342 ± 0 5.685 5.355/6.573 5.823 ± 0.707
ea25 1342 1342/1342 1342 ± 0 5.516 5.206/6.115 5.681 ± 0.6012
ea26 1342 1342/1342 1342 ± 0 5.988 5.558/6.735 6.168 ± 0.7415
ea27 1342 1342/1342 1342 ± 0 5.471 5.112/6.338 5.676 ± 0.6491
ea28 1342 1342/1342 1342 ± 0.00001795 5.376 5.174/6.188 5.639 ± 0.6712
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 ± 0.00002306 5.163 5.013/5.397 5.162 ± 0.2691
3 1342 1342/1342 1342 ± 0.00002306 5.075 4.904/5.186 5.043 ± 0.2468
4 1342 1342/1342 1342 ± 0.00002465 4.982 4.741/5.307 4.995 ± 0.3429
5 1342 1342/1342 1342 ± 0.00002306 5.027 4.876/5.285 5.079 ± 0.3254
6 1342 1342/1342 1342 ± 0.00002349 5.169 5.004/5.385 5.161 ± 0.3235
7 1342 1342/1342 1342 ± 0.00002306 5.213 5.086/5.384 5.227 ± 0.2813
8 1342 1342/1342 1342 ± 0.00002306 5.19 5.019/5.383 5.188 ± 0.3093
9 1342 1342/1342 1342 ± 0.00002306 5.468 5.282/5.766 5.492 ± 0.3492
10 1342 1342/1342 1342 ± 0.00002306 5.968 5.752/6.193 5.938 ± 0.3473
11 1342 1342/1342 1342 ± 0.00002306 6.223 6.019/6.381 6.173 ± 0.3493
12 1342 1342/1342 1342 ± 0.00002306 6.331 6.145/6.544 6.329 ± 0.364
13 1342 1342/1342 1342 ± 0.00002306 6.779 6.671/6.915 6.754 ± 0.3657
14 1342 1342/1342 1342 ± 0.00002306 6.897 6.771/7.153 6.91 ± 0.4082
15 1342 1342/1342 1342 ± 0.00002306 6.583 6.362/6.842 6.555 ± 0.4036
16 1342 1342/1342 1342 ± 0.00002526 5.909 5.548/6.111 5.861 ± 0.3397
17 1342 1342/1342 1342 ± 0.00002461 5.852 5.572/6.115 5.865 ± 0.3404
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38620321.eb38711360.59131.8760765162_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-18 11:56:52.249
End
2024-12-18 12:51:15.757
Duration
0:54:23.509
Note, WebLog generation is not included in the time.

CASA logs for stage 8