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

Statwt Summary Plot

VLASS2.1.sb38652042.eb38809484.59142.37127280093_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 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea02 1342 1342/1342 1342 ± 0 5.921 5.389/6.633 5.942 ± 0.8055
ea03 1342 1342/1342 1342 ± 0.0000264 5.107 4.791/6.102 5.323 ± 0.7825
ea04 1342 1342/1342 1342 ± 0.00002484 5.493 5.125/6.06 5.5 ± 0.8022
ea05 1342 1342/1342 1342 ± 0.00001513 5.319 4.924/6.189 5.492 ± 0.8074
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.00002308 5.97 5.528/6.385 6.02 ± 0.8525
ea08 1342 1342/1342 1342 ± 0.00003408 5.995 5.518/6.789 6.065 ± 0.8565
ea09 1342 1342/1342 1342 ± 0.00003608 5.73 5.183/6.525 5.773 ± 0.825
ea10 1342 1342/1342 1342 ± 0.0000234 5.968 5.316/6.79 5.973 ± 0.867
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003689 5.683 5.405/6.572 5.842 ± 0.8617
ea13 1342 1342/1342 1342 ± 0.00002631 5.765 5.651/6.317 5.958 ± 0.7375
ea14 1342 1342/1342 1342 ± 0.0000269 5.629 5.299/6.492 5.783 ± 0.844
ea15 1342 1342/1342 1342 ± 0.000004978 2.612 2.423/3.005 2.726 ± 0.4369
ea17 1342 1342/1342 1342 ± 0.0000335 6.222 5.781/7.361 6.356 ± 0.9502
ea18 1342 1342/1342 1342 ± 0.00003591 4.99 4.718/5.588 4.979 ± 0.6181
ea19 1342 1342/1342 1342 ± 0.00002664 5.626 5.33/6.556 5.818 ± 0.893
ea20 1342 1342/1342 1342 ± 0.00003533 5.907 5.787/7.025 6.157 ± 0.9111
ea21 1342 1342/1342 1342 ± 0.00002081 5.672 5.416/6.498 5.846 ± 0.8762
ea23 1342 1342/1342 1342 ± 0.00002044 5.563 5.475/5.712 5.463 ± 0.5748
ea24 1342 1342/1342 1342 ± 0.00003451 5.657 5.349/6.548 5.815 ± 0.811
ea25 1342 1342/1342 1342 ± 0.00003209 5.64 5.305/6.391 5.734 ± 0.7578
ea26 1342 1342/1342 1342 ± 0.00002593 5.882 5.682/6.972 6.168 ± 0.8552
ea27 1342 1342/1342 1342 ± 0.00002983 5.522 5.234/6.584 5.778 ± 0.7814
ea28 1342 1342/1342 1342 ± 0.00002995 5.425 5.199/6.306 5.68 ± 0.7051
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 ± 0.00002494 5.397 5.268/5.677 5.315 ± 0.6268
5 1342 1342/1342 1342 ± 0.00002527 5.397 5.144/5.547 5.227 ± 0.6836
6 1342 1342/1342 1342 ± 0.00002489 5.263 5.039/5.43 5.094 ± 0.6333
7 1342 1342/1342 1342 ± 0.00002494 5.398 5.262/5.508 5.263 ± 0.6425
8 1342 1342/1342 1342 ± 0.00002494 5.327 5.174/5.451 5.227 ± 0.6604
9 1342 1342/1342 1342 ± 0.00002494 5.634 5.281/5.913 5.482 ± 0.7143
10 1342 1342/1342 1342 ± 0.00002494 6.019 5.697/6.265 5.83 ± 0.7914
11 1342 1342/1342 1342 ± 0.00002494 6.285 6.057/6.545 6.15 ± 0.7547
12 1342 1342/1342 1342 ± 0.00002494 6.501 6.269/6.646 6.348 ± 0.7956
13 1342 1342/1342 1342 ± 0.00002494 6.813 6.641/7.021 6.661 ± 0.7471
14 1342 1342/1342 1342 ± 0.00002494 6.821 6.506/7.038 6.632 ± 0.7808
15 1342 1342/1342 1342 ± 0.00002494 6.524 6.171/6.85 6.373 ± 0.857
16 1342 1342/1342 1342 ± 0.00006024 3.869 3.701/3.995 3.771 ± 0.475
17 1342 1342/1342 1342 ± 0.00005688 4.048 3.854/4.196 3.942 ± 0.4885
vis
VLASS2.1.sb38652042.eb38809484.59142.37127280093_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-12 01:01:59.400
End
2025-01-12 02:15:58.515
Duration
1:13:59.116
Note, WebLog generation is not included in the time.

CASA logs for stage 8