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

Statwt Summary Plot

VLASS2.1.sb38619162.eb38631105.59096.06071193287_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 5.591 5.289/6.036 5.705 ± 0.5309
ea02 1342 1342/1342 1342 ± 0.000008102 5.778 5.42/6.488 5.966 ± 0.6706
ea04 1342 1342/1342 1342 ± 0 5.483 5.162/6.042 5.647 ± 0.5479
ea05 1342 1342/1342 1342 ± 0 5.74 5.339/6.172 5.8 ± 0.5758
ea06 1342 1342/1342 1342 ± 0 5.124 4.937/5.508 5.221 ± 0.3873
ea07 1342 1342/1342 1342 ± 0 6.142 5.447/6.244 6.024 ± 0.5855
ea08 1342 1342/1342 1342 ± 0 5.801 5.528/6.607 6.085 ± 0.6839
ea09 1342 1342/1342 1342 ± 0 5.736 5.218/6.27 5.794 ± 0.6076
ea10 1342 1342/1342 1342 ± 0 6.001 5.328/6.611 5.984 ± 0.6705
ea11 1342 1342/1342 1342 ± 0 5.768 5.185/6.4 5.865 ± 0.6588
ea12 1342 1342/1342 1342 ± 0 5.964 5.403/6.445 6.017 ± 0.6531
ea13 1342 1342/1342 1342 ± 0 6.256 5.859/6.482 6.243 ± 0.4834
ea14 1342 1342/1342 1342 ± 0 5.967 5.3/6.393 5.952 ± 0.6514
ea15 1342 1342/1342 1342 ± 0 5.605 5.15/6.267 5.782 ± 0.6922
ea16 1342 1342/1342 1342 ± 0 6.097 5.73/6.751 6.305 ± 0.7034
ea17 1342 1342/1342 1342 ± 0.000003515 5.985 5.589/6.572 6.129 ± 0.6307
ea18 1342 1342/1342 1342 ± 0 5.142 4.756/5.615 5.191 ± 0.5153
ea19 1342 1342/1342 1342 ± 0 6.006 5.61/6.729 6.226 ± 0.6404
ea20 1342 1342/1342 1342 ± 0 6.356 5.739/6.943 6.321 ± 0.6339
ea21 1342 1342/1342 1342 ± 0 5.727 5.426/6.212 5.874 ± 0.536
ea22 1342 1342/1342 1342 ± 0 5.501 5.287/6.369 5.814 ± 0.6445
ea23 1342 1342/1342 1342 ± 0 6.153 5.503/6.581 6.157 ± 0.674
ea25 1342 1342/1342 1342 ± 0.000002964 5.527 5.243/6.16 5.732 ± 0.5638
ea26 1342 1342/1342 1342 ± 0 6.109 5.698/6.928 6.258 ± 0.6344
ea27 1342 1342/1342 1342 ± 0.0000328 5.554 5.272/6.34 5.762 ± 0.5769
ea28 1342 1342/1342 1342 ± 0.00001107 5.669 5.404/6.402 5.921 ± 0.6357
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 ± 0.00002349 5.375 5.229/5.665 5.411 ± 0.2601
3 1342 1342/1342 1342 ± 0.00003047 5.227 5.067/5.565 5.293 ± 0.2727
4 1342 1342/1342 1342 ± 0.00002373 5.35 5.122/5.539 5.317 ± 0.3338
5 1342 1342/1342 1342 ± 0.00002349 5.43 5.146/5.594 5.395 ± 0.3214
6 1342 1342/1342 1342 ± 0.00002349 5.342 5.138/5.528 5.323 ± 0.283
7 1342 1342/1342 1342 ± 0.00002349 5.361 5.224/5.526 5.374 ± 0.2505
8 1342 1342/1342 1342 ± 0.00002349 5.381 5.147/5.495 5.323 ± 0.2666
9 1342 1342/1342 1342 ± 0.00002349 5.602 5.433/5.863 5.59 ± 0.3088
10 1342 1342/1342 1342 ± 0.00002349 6.069 5.888/6.227 6.026 ± 0.3005
11 1342 1342/1342 1342 ± 0.00002349 6.319 6.143/6.435 6.243 ± 0.3084
12 1342 1342/1342 1342 ± 0.00002349 6.416 6.247/6.608 6.402 ± 0.3354
13 1342 1342/1342 1342 ± 0.00002349 6.841 6.775/7.089 6.859 ± 0.358
14 1342 1342/1342 1342 ± 0.00002349 7.109 6.867/7.295 7.054 ± 0.3872
15 1342 1342/1342 1342 ± 0.00002349 6.76 6.533/6.975 6.693 ± 0.3971
16 1342 1342/1342 1342 ± 0.00002963 5.998 5.651/6.293 5.986 ± 0.4028
17 1342 1342/1342 1342 ± 0.00003076 6.036 5.812/6.274 6.038 ± 0.3649
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38619162.eb38631105.59096.06071193287_split_split.ms
statwtmode
VLASS-SE
Start time
2025-02-05 01:31:23.794
End
2025-02-05 01:44:58.083
Duration
0:13:34.288
Note, WebLog generation is not included in the time.

CASA logs for stage 8