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

Statwt Summary Plot

VLASS2.2.sb40493634.eb40941789.59520.06707907407_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 5.987 5.726/6.712 6.245 ± 0.6079
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.869 5.333/6.554 5.986 ± 0.6471
ea06 1342 1342/1342 1342 ± 0 6.183 5.593/6.509 6.097 ± 0.5692
ea07 1342 1342/1342 1342 ± 0 6.23 5.604/6.464 6.171 ± 0.6176
ea08 1342 1342/1342 1342 ± 0.00001429 6.033 5.834/6.804 6.293 ± 0.6301
ea09 1342 1342/1342 1342 ± 0 6.012 5.487/6.765 6.109 ± 0.6749
ea10 1342 1342/1342 1342 ± 0.000006475 6.096 5.617/6.841 6.235 ± 0.6314
ea11 1342 1342/1342 1342 ± 0 6.059 5.472/6.68 6.14 ± 0.6943
ea12 1342 1342/1342 1342 ± 0 6.26 5.678/6.754 6.296 ± 0.6737
ea13 1342 1342/1342 1342 ± 0 5.957 5.898/6.503 6.208 ± 0.499
ea14 1342 1342/1342 1342 ± 0 6.496 5.861/6.924 6.498 ± 0.7055
ea15 1342 1342/1342 1342 ± 0 5.771 5.18/6.11 5.695 ± 0.641
ea16 1342 1342/1342 1342 ± 0 6.48 5.806/6.927 6.49 ± 0.757
ea17 1342 1342/1342 1342 ± 0 6.647 6.033/7.387 6.689 ± 0.6996
ea18 1342 1342/1342 1342 ± 0 5.109 4.746/5.542 5.14 ± 0.5306
ea19 1342 1342/1342 1342 ± 0 6.584 5.901/7.142 6.535 ± 0.7247
ea20 1342 1342/1342 1342 ± 0 6.063 5.795/6.963 6.299 ± 0.6442
ea21 1342 1342/1342 1342 ± 0 6.154 5.63/6.675 6.216 ± 0.6289
ea22 1342 1342/1342 1342 ± 0 6.34 5.727/6.762 6.233 ± 0.6615
ea23 1342 1342/1342 1342 ± 0 6.18 5.749/6.862 6.382 ± 0.7026
ea24 1342 1342/1342 1342 ± 0 5.809 5.17/6.323 5.721 ± 0.5778
ea26 1342 1342/1342 1342 ± 0 6.266 5.848/7.046 6.396 ± 0.6737
ea27 1342 1342/1342 1342 ± 0 6.074 5.651/7.089 6.305 ± 0.7501
ea28 1342 1342/1342 1342 ± 0 6.126 5.837/7.026 6.444 ± 0.7297
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 ± 0.0000244 5.64 5.556/5.832 5.627 ± 0.2921
4 1342 1342/1342 1342 ± 0.00002984 5.392 5.108/5.528 5.259 ± 0.3951
5 1342 1342/1342 1342 ± 0.0000244 5.693 5.388/5.829 5.596 ± 0.3426
6 1342 1342/1342 1342 ± 0.0000244 5.605 5.362/5.754 5.563 ± 0.2854
7 1342 1342/1342 1342 ± 0.0000244 5.651 5.478/5.828 5.62 ± 0.2859
8 1342 1342/1342 1342 ± 0.0000244 5.607 5.449/5.808 5.559 ± 0.3172
9 1342 1342/1342 1342 ± 0.0000244 5.922 5.726/6.056 5.842 ± 0.326
10 1342 1342/1342 1342 ± 0.0000244 6.408 6.269/6.5 6.306 ± 0.3383
11 1342 1342/1342 1342 ± 0.0000244 6.588 6.419/6.802 6.547 ± 0.3482
12 1342 1342/1342 1342 ± 0.0000244 6.761 6.45/6.943 6.699 ± 0.3844
13 1342 1342/1342 1342 ± 0.0000244 7.195 6.967/7.437 7.172 ± 0.4147
14 1342 1342/1342 1342 ± 0.0000244 7.398 7.187/7.675 7.376 ± 0.4073
15 1342 1342/1342 1342 ± 0.0000244 7.039 6.759/7.399 7.024 ± 0.4154
16 1342 1342/1342 1342 ± 0.0000244 6.265 6.072/6.443 6.269 ± 0.3841
17 1342 1342/1342 1342 ± 0.00002709 6.202 5.984/6.375 6.178 ± 0.3362
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms
output_dir
 
datacolumn
residual_data
Start time
2025-05-05 22:43:37.504
End
2025-05-05 23:08:05.706
Duration
0:24:28.203
Note, WebLog generation is not included in the time.

CASA logs for stage 8