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

Statwt Summary Plot

VLASS2.1.sb38484347.eb38556700.59065.64805841435_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 5.484 5.324/6.193 5.698 ± 0.5399
ea02 1342 1342/1342 1342 ± 0.0000347 5.691 5.332/6.472 5.901 ± 0.6489
ea04 1342 1342/1342 1342 ± 0 5.359 5.07/5.902 5.507 ± 0.5589
ea05 1342 1342/1342 1342 ± 0.00000426 5.72 5.279/6.363 5.893 ± 0.5946
ea06 1342 1342/1342 1342 ± 0.000001733 3.208 2.857/3.408 3.119 ± 0.3833
ea07 1342 1342/1342 1342 ± 0 5.747 5.599/5.899 5.773 ± 0.2045
ea08 1342 1342/1342 1342 ± 0.00003956 5.942 5.716/6.931 6.203 ± 0.7658
ea09 1342 1342/1342 1342 ± 0.000005281 5.267 5.097/5.941 5.523 ± 0.5201
ea10 1342 1342/1342 1342 ± 0.00004272 5.693 5.325/6.547 5.824 ± 0.6773
ea11 1342 1342/1342 1342 ± 0.00002431 5.944 5.557/6.579 5.951 ± 0.7531
ea12 1342 1342/1342 1342 ± 0 5.819 5.597/6.574 5.992 ± 0.7286
ea13 1342 1342/1342 1342 ± 0.000006021 5.797 5.412/6.147 5.868 ± 0.5225
ea14 1342 1342/1342 1342 ± 0.00002271 5.703 5.418/6.628 5.957 ± 0.704
ea15 1342 1342/1342 1342 ± 0 5.496 5.389/6.257 5.794 ± 0.6414
ea16 1342 1342/1342 1342 ± 0.00001714 4.985 4.624/5.481 5.078 ± 0.4448
ea17 1342 1342/1342 1342 ± 0.00004274 5.981 5.554/6.935 6.069 ± 0.7753
ea18 1342 1342/1342 1342 ± 0.000005084 5.091 4.97/5.732 5.249 ± 0.5646
ea19 1342 1342/1342 1342 ± 0.000005566 6.708 6.044/7.034 6.457 ± 0.7614
ea20 1342 1342/1342 1342 ± 0 6.148 5.981/6.993 6.32 ± 0.7984
ea21 1342 1342/1342 1342 ± 0.00001998 5.929 5.44/6.469 5.933 ± 0.6332
ea22 1342 1342/1342 1342 ± 0.00002055 5.306 5.093/6.163 5.588 ± 0.6018
ea23 1342 1342/1342 1342 ± 0.00003147 5.845 5.562/6.621 5.986 ± 0.7704
ea25 1342 1342/1342 1342 ± 0.00004172 5.264 4.35/5.545 4.902 ± 0.7512
ea26 1342 1342/1342 1342 ± 0.00001359 5.619 5.49/6.52 6.006 ± 0.6213
ea27 1342 1342/1342 1342 ± 0.00004275 5.662 5.297/6.547 5.809 ± 0.6648
ea28 1342 1342/1342 1342 ± 0.00005283 6.466 6.122/6.874 6.213 ± 0.7953
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 ± 0.00002456 5.38 5.246/5.537 5.264 ± 0.6672
5 1342 1342/1342 1342 ± 0.00002458 5.565 5.375/5.823 5.453 ± 0.6474
6 1342 1342/1342 1342 ± 0.00002456 5.479 5.265/5.554 5.326 ± 0.5859
7 1342 1342/1342 1342 ± 0.00002456 5.49 5.254/5.627 5.365 ± 0.5818
8 1342 1342/1342 1342 ± 0.00002456 5.392 5.26/5.707 5.336 ± 0.617
9 1342 1342/1342 1342 ± 0.00002456 5.637 5.251/5.891 5.475 ± 0.6211
10 1342 1342/1342 1342 ± 0.00002435 6.164 5.841/6.293 5.941 ± 0.7002
11 1342 1342/1342 1342 ± 0.00002421 6.433 6.025/6.549 6.17 ± 0.7343
12 1342 1342/1342 1342 ± 0.00002407 6.552 6.138/6.666 6.28 ± 0.7666
13 1342 1342/1342 1342 ± 0.00002407 6.842 6.457/7.036 6.599 ± 0.7782
14 1342 1342/1342 1342 ± 0.00002416 6.974 6.588/7.139 6.719 ± 0.7319
15 1342 1342/1342 1342 ± 0.00002452 6.429 6.051/6.641 6.274 ± 0.6226
16 1342 1342/1342 1342 ± 0.0000596 4.824 4.631/5.075 4.788 ± 0.4421
17 1342 1342/1342 1342 ± 0.00005801 4.922 4.748/5.209 4.871 ± 0.5131
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38484347.eb38556700.59065.64805841435_split_split.ms
Start time
2025-02-07 01:28:31.440
End
2025-02-07 01:58:00.650
Duration
0:29:29.210
Note, WebLog generation is not included in the time.

CASA logs for stage 8