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

Statwt Summary Plot

VLASS2.1.sb38522718.eb38555682.59065.0341228125_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 5.546 5.399/6.144 5.778 ± 0.4675
ea02 1342 1342/1342 1342 ± 0 6.021 5.608/6.563 6.152 ± 0.5847
ea04 1342 1342/1342 1342 ± 0 5.761 5.401/6.294 5.883 ± 0.5327
ea05 1342 1342/1342 1342 ± 0 5.769 5.463/6.184 5.841 ± 0.4737
ea06 1342 1342/1342 1342 ± 0 3.307 3.169/3.48 3.303 ± 0.2508
ea07 1342 1342/1342 1342 ± 0 5.433 5.377/5.682 5.504 ± 0.2238
ea08 1342 1342/1342 1342 ± 0.00000152 5.815 5.633/6.459 6.004 ± 0.4819
ea09 1342 1342/1342 1342 ± 0 5.2 5.02/5.598 5.284 ± 0.3291
ea10 1342 1342/1342 1342 ± 0.000006514 5.332 5.139/6.026 5.521 ± 0.4672
ea11 1342 1342/1342 1342 ± 0 5.986 5.582/6.571 6.12 ± 0.5579
ea12 1342 1342/1342 1342 ± 0 5.743 5.344/5.964 5.752 ± 0.416
ea13 1342 1342/1342 1342 ± 0 6.181 5.867/6.417 6.217 ± 0.4246
ea14 1342 1342/1342 1342 ± 0 5.91 5.548/6.533 6.046 ± 0.5781
ea15 1342 1342/1342 1342 ± 0 5.843 5.548/6.367 6.035 ± 0.56
ea16 1342 1342/1342 1342 ± 0 4.866 4.359/5.23 4.802 ± 0.5209
ea17 1342 1342/1342 1342 ± 0 6.078 5.815/6.45 6.184 ± 0.498
ea18 1342 1342/1342 1342 ± 0 5.179 4.825/5.425 5.164 ± 0.3976
ea19 1342 1342/1342 1342 ± 0 6.151 5.889/6.349 6.128 ± 0.3308
ea20 1342 1342/1342 1342 ± 0 6.37 6.032/6.932 6.474 ± 0.5841
ea21 1342 1342/1342 1342 ± 0 5.908 5.679/6.517 6.107 ± 0.5242
ea22 1342 1342/1342 1342 ± 0 5.562 5.255/6.134 5.686 ± 0.4997
ea23 1342 1342/1342 1342 ± 0 6.008 5.658/6.54 6.16 ± 0.6044
ea25 1342 1342/1342 1342 ± 0 5.478 5.452/5.58 5.484 ± 0.1633
ea26 1342 1342/1342 1342 ± 0 5.743 5.548/6.303 5.876 ± 0.4278
ea27 1342 1342/1342 1342 ± 0.00001944 5.492 5.331/6.083 5.65 ± 0.4508
ea28 1342 1342/1342 1342 ± 0.000003039 6.504 6.14/6.713 6.444 ± 0.4803
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 ± 0.00002513 5.676 5.485/5.769 5.597 ± 0.3382
3 1342 1342/1342 1342 ± 0.00002513 5.408 5.082/5.543 5.338 ± 0.3124
4 1342 1342/1342 1342 ± 0.0000262 5.434 5.265/5.625 5.439 ± 0.3294
5 1342 1342/1342 1342 ± 0.00002513 5.464 5.336/5.717 5.44 ± 0.3889
6 1342 1342/1342 1342 ± 0.00002513 5.415 5.257/5.52 5.355 ± 0.4034
7 1342 1342/1342 1342 ± 0.00002513 5.494 5.217/5.609 5.415 ± 0.4057
8 1342 1342/1342 1342 ± 0.00002513 5.483 5.141/5.646 5.377 ± 0.3961
9 1342 1342/1342 1342 ± 0.00002482 5.679 5.417/5.907 5.539 ± 0.5921
10 1342 1342/1342 1342 ± 0.00002462 5.981 5.839/6.307 5.907 ± 0.601
11 1342 1342/1342 1342 ± 0.00002462 6.167 6.003/6.5 6.075 ± 0.7125
12 1342 1342/1342 1342 ± 0.00002481 6.327 6.178/6.571 6.236 ± 0.6573
13 1342 1342/1342 1342 ± 0.00002465 6.684 6.422/7.031 6.542 ± 0.7975
14 1342 1342/1342 1342 ± 0.00002465 6.69 6.519/7.122 6.643 ± 0.7944
15 1342 1342/1342 1342 ± 0.00002512 6.47 6.173/6.733 6.368 ± 0.4426
16 1342 1342/1342 1342 ± 0.0000283 5.866 5.492/6.141 5.735 ± 0.6698
17 1342 1342/1342 1342 ± 0.00002606 5.789 5.656/6.075 5.73 ± 0.6477
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38522718.eb38555682.59065.0341228125_split_split.ms
statwtmode
VLASS-SE
Start time
2025-03-19 22:46:34.826
End
2025-03-19 23:11:00.289
Duration
0:24:25.464
Note, WebLog generation is not included in the time.

CASA logs for stage 8