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

Statwt Summary Plot

VLASS2.1.sb38545507.eb38638815.59102.13461381945_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 5.588 5.33/5.897 5.687 ± 0.4153
ea02 1342 1342/1342 1342 ± 0 5.835 5.468/6.391 5.979 ± 0.5234
ea04 1342 1342/1342 1342 ± 0 5.548 5.229/6.04 5.678 ± 0.4978
ea05 1342 1342/1342 1342 ± 0 5.339 5.068/5.644 5.354 ± 0.3862
ea06 1342 1342/1342 1342 ± 0 4.956 4.778/5.247 4.998 ± 0.2769
ea07 1342 1342/1342 1342 ± 0 5.642 5.339/5.961 5.708 ± 0.4244
ea08 1342 1342/1342 1342 ± 0 5.712 5.349/6.19 5.795 ± 0.4545
ea09 1342 1342/1342 1342 ± 0 5.367 5.072/5.826 5.458 ± 0.4313
ea10 1342 1342/1342 1342 ± 0.000002475 5.263 5.003/5.907 5.43 ± 0.4569
ea11 1342 1342/1342 1342 ± 0 6.021 5.423/6.58 6.031 ± 0.6594
ea12 1342 1342/1342 1342 ± 0 5.673 5.368/6.003 5.764 ± 0.4413
ea13 1342 1342/1342 1342 ± 0 5.945 5.693/6.222 6.005 ± 0.4426
ea14 1342 1342/1342 1342 ± 0 5.372 5.056/5.914 5.463 ± 0.4891
ea15 1342 1342/1342 1342 ± 0 5.863 5.348/6.261 5.872 ± 0.5529
ea16 1342 1342/1342 1342 ± 0 5.612 5.373/5.991 5.72 ± 0.4484
ea17 1342 1342/1342 1342 ± 0.000004285 5.452 5.364/5.828 5.616 ± 0.3624
ea18 1342 1342/1342 1342 ± 0 4.753 4.56/5.028 4.81 ± 0.3116
ea19 1342 1342/1342 1342 ± 0 5.439 5.134/5.818 5.481 ± 0.3511
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0 5.545 5.384/6.182 5.754 ± 0.4767
ea22 1342 1342/1342 1342 ± 0 5.008 4.817/5.554 5.121 ± 0.4597
ea23 1342 1342/1342 1342 ± 0 6.036 5.691/6.778 6.228 ± 0.6329
ea25 1342 1342/1342 1342 ± 0 5.65 5.428/6.175 5.803 ± 0.5104
ea26 1342 1342/1342 1342 ± 0 5.661 5.474/6.241 5.859 ± 0.4701
ea27 1342 1342/1342 1342 ± 0.00003956 5.336 5.136/5.918 5.472 ± 0.4166
ea28 1342 1342/1342 1342 ± 0 5.827 5.568/6.575 6.048 ± 0.5765
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 ± 0.00002399 5.429 5.294/5.562 5.402 ± 0.2573
3 1342 1342/1342 1342 ± 0.00002421 5.321 5.132/5.392 5.265 ± 0.2759
4 1342 1342/1342 1342 ± 0.00002715 5.213 4.901/5.436 5.155 ± 0.3083
5 1342 1342/1342 1342 ± 0.00002399 5.354 5.07/5.483 5.297 ± 0.3087
6 1342 1342/1342 1342 ± 0.00002399 5.231 5.075/5.409 5.213 ± 0.2674
7 1342 1342/1342 1342 ± 0.00002399 5.337 5.085/5.39 5.257 ± 0.2742
8 1342 1342/1342 1342 ± 0.00002399 5.307 5.026/5.415 5.216 ± 0.3184
9 1342 1342/1342 1342 ± 0.00002399 5.512 5.261/5.67 5.441 ± 0.3579
10 1342 1342/1342 1342 ± 0.00002399 5.807 5.587/6.057 5.796 ± 0.3581
11 1342 1342/1342 1342 ± 0.00002399 5.936 5.817/6.228 5.976 ± 0.3602
12 1342 1342/1342 1342 ± 0.00002399 6.089 5.958/6.224 6.019 ± 0.5116
13 1342 1342/1342 1342 ± 0.00002399 6.456 6.127/6.679 6.43 ± 0.4617
14 1342 1342/1342 1342 ± 0.00002399 6.601 6.192/6.84 6.508 ± 0.489
15 1342 1342/1342 1342 ± 0.00002399 6.202 5.842/6.391 6.128 ± 0.4512
16 1342 1342/1342 1342 ± 0.00003326 5.675 5.315/5.851 5.563 ± 0.3681
17 1342 1342/1342 1342 ± 0.0000325 5.509 5.302/5.799 5.517 ± 0.3855
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38545507.eb38638815.59102.13461381945_split_split.ms
output_dir
 
datacolumn
residual_data
Start time
2025-02-01 02:49:19.741
End
2025-02-01 03:20:39.804
Duration
0:31:20.062
Note, WebLog generation is not included in the time.

CASA logs for stage 8