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

Statwt Summary Plot

VLASS2.1.sb38563510.eb38566235.59073.10379631944_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 5.26 5.181/6.052 5.407 ± 0.7586
ea02 1342 1342/1342 1342 ± 0.00004308 5.868 5.324/6.579 5.785 ± 0.9058
ea05 1342 1342/1342 1342 ± 0.0000181 5.51 5.068/6.21 5.637 ± 0.7838
ea06 1342 1342/1342 1342 ± 0.000009128 4.888 4.717/5.367 4.892 ± 0.6389
ea07 1342 1342/1342 1342 ± 0.00004301 5.723 5.252/5.938 5.476 ± 0.7894
ea08 1342 1342/1342 1342 ± 0.00004289 5.96 5.588/6.917 6.058 ± 1.021
ea09 1342 1342/1342 1342 ± 0.00002795 5.246 4.866/5.739 5.219 ± 0.6387
ea10 1342 1342/1342 1342 ± 0.00004292 5.649 5.13/6.434 5.58 ± 0.9204
ea11 1342 1342/1342 1342 ± 0.00004285 5.724 5.255/6.356 5.642 ± 0.9324
ea12 1342 1342/1342 1342 ± 0.000008217 5.674 5.249/6.449 5.627 ± 0.9485
ea13 1342 1342/1342 1342 ± 0.00002575 5.819 5.587/6.336 5.887 ± 0.7668
ea14 1342 1342/1342 1342 ± 0.00003105 6.474 5.771/6.798 6.012 ± 1.016
ea15 1342 1342/1342 1342 ± 0.000006556 5.39 5.138/6.266 5.557 ± 0.8561
ea16 1342 1342/1342 1342 ± 0 5.146 5.011/5.352 5.098 ± 0.2556
ea17 1342 1342/1342 1342 ± 0.00004365 5.815 5.505/6.798 5.831 ± 0.991
ea18 1342 1342/1342 1342 ± 0.00003372 4.922 4.672/5.692 5.009 ± 0.7262
ea19 1342 1342/1342 1342 ± 0.00001034 5.752 5.439/6.463 5.882 ± 0.7854
ea20 1342 1342/1342 1342 ± 0.0000219 5.933 5.674/6.739 5.949 ± 1.091
ea21 1342 1342/1342 1342 ± 0.00002319 5.523 5.321/6.257 5.603 ± 0.7783
ea22 1342 1342/1342 1342 ± 0.00004234 5.402 5.149/6.509 5.646 ± 0.8831
ea23 1342 1342/1342 1342 ± 0.00003961 5.693 5.381/6.531 5.715 ± 0.9101
ea25 1342 1342/1342 1342 ± 0 5.265 5.227/5.323 5.261 ± 0.1431
ea26 1342 1342/1342 1342 ± 0.00003703 5.571 5.405/6.561 5.773 ± 0.8231
ea27 1342 1342/1342 1342 ± 0.00004291 5.46 5.105/6.376 5.525 ± 0.8986
ea28 1342 1342/1342 1342 ± 0.00004309 5.646 5.341/6.578 5.747 ± 0.9494
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 ± 0.00002443 5.369 5.186/5.61 5.38 ± 0.3093
5 1342 1342/1342 1342 ± 0.00002441 5.375 5.221/5.518 5.332 ± 0.3288
6 1342 1342/1342 1342 ± 0.00002443 5.301 5.15/5.403 5.275 ± 0.2664
7 1342 1342/1342 1342 ± 0.00002443 5.267 5.145/5.433 5.268 ± 0.237
8 1342 1342/1342 1342 ± 0.00002443 5.321 5.036/5.431 5.24 ± 0.2791
9 1342 1342/1342 1342 ± 0.00002443 5.539 5.387/5.719 5.488 ± 0.3301
10 1342 1342/1342 1342 ± 0.00002493 6.012 5.776/6.094 5.934 ± 0.3414
11 1342 1342/1342 1342 ± 0.00002493 6.294 6.087/6.451 6.222 ± 0.3586
12 1342 1342/1342 1342 ± 0.00002493 6.51 6.271/6.574 6.409 ± 0.3737
13 1342 1342/1342 1342 ± 0.00002493 6.834 6.422/6.967 6.728 ± 0.379
14 1342 1342/1342 1342 ± 0.00002512 6.732 6.324/7.005 6.641 ± 0.4619
15 1342 1342/1342 1342 ± 0.00002573 6.539 6.274/6.759 6.47 ± 0.4682
16 1342 1342/1342 1342 ± 0.00005921 3.934 3.732/4.151 3.948 ± 0.281
17 1342 1342/1342 1342 ± 0.00006011 4.106 3.881/4.312 4.113 ± 0.3088
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38563510.eb38566235.59073.10379631944_split_split.ms
overwrite_modelcol
False
Start time
2024-10-31 10:37:02.735
End
2024-10-31 11:42:11.004
Duration
1:05:08.269
Note, WebLog generation is not included in the time.

CASA logs for stage 8