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

Statwt Summary Plot

VLASS2.1.sb38619750.eb38664746.59114.89728754629_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 5.518 5.211/6.07 5.669 ± 0.5391
ea02 1342 1342/1342 1342 ± 0.000002139 5.69 5.33/6.409 5.908 ± 0.6324
ea03 1342 1342/1342 1342 ± 0 5.313 4.691/5.946 5.357 ± 0.6609
ea04 1342 1342/1342 1342 ± 0 5.449 5.092/6.07 5.625 ± 0.5741
ea05 1342 1342/1342 1342 ± 0 5.753 5.265/6.217 5.804 ± 0.5786
ea06 1342 1342/1342 1342 ± 0 5.185 4.867/5.62 5.255 ± 0.4473
ea07 1342 1342/1342 1342 ± 0 5.946 5.351/6.176 5.913 ± 0.5843
ea08 1342 1342/1342 1342 ± 0.00001045 5.911 5.515/6.687 6.136 ± 0.681
ea09 1342 1342/1342 1342 ± 0 5.665 5.208/6.317 5.77 ± 0.6422
ea10 1342 1342/1342 1342 ± 0 5.89 5.21/6.529 5.881 ± 0.6934
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.743 5.267/6.39 5.914 ± 0.6696
ea13 1342 1342/1342 1342 ± 0 6.03 5.77/6.493 6.19 ± 0.5166
ea14 1342 1342/1342 1342 ± 0 5.781 5.253/6.377 5.865 ± 0.6767
ea15 1342 1342/1342 1342 ± 0 5.695 5.277/6.324 5.873 ± 0.6681
ea16 1342 1342/1342 1342 ± 0 6.036 5.57/6.652 6.179 ± 0.7067
ea17 1342 1342/1342 1342 ± 0.00003022 5.874 5.45/6.45 6.026 ± 0.6398
ea18 1342 1342/1342 1342 ± 0.00000107 4.987 4.651/5.462 5.069 ± 0.5381
ea19 1342 1342/1342 1342 ± 0 5.96 5.5/6.675 6.151 ± 0.6587
ea20 1342 1342/1342 1342 ± 0 5.965 5.59/6.543 6.12 ± 0.6228
ea21 1342 1342/1342 1342 ± 0 5.694 5.314/6.263 5.828 ± 0.5727
ea22 1342 1342/1342 1342 ± 0 5.497 5.213/6.345 5.745 ± 0.6656
ea23 1342 1342/1342 1342 ± 0 5.959 5.392/6.398 6.023 ± 0.6929
ea25 1342 1342/1342 1342 ± 0.000002391 5.618 5.237/6.151 5.752 ± 0.5922
ea26 1342 1342/1342 1342 ± 0 5.921 5.561/6.677 6.13 ± 0.6951
ea27 1342 1342/1342 1342 ± 0.000007397 5.529 5.231/6.34 5.73 ± 0.605
ea28 1342 1342/1342 1342 ± 0.00004014 5.747 5.38/6.441 5.936 ± 0.6748
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 ± 0.00002352 5.322 5.187/5.58 5.336 ± 0.2743
3 1342 1342/1342 1342 ± 0.00002451 5.249 5.002/5.409 5.231 ± 0.297
4 1342 1342/1342 1342 ± 0.0000237 5.192 5.113/5.382 5.197 ± 0.3042
5 1342 1342/1342 1342 ± 0.00002352 5.293 5.058/5.406 5.252 ± 0.3089
6 1342 1342/1342 1342 ± 0.00002352 5.259 5.074/5.432 5.227 ± 0.3205
7 1342 1342/1342 1342 ± 0.00002352 5.294 5.196/5.468 5.296 ± 0.245
8 1342 1342/1342 1342 ± 0.00002352 5.315 5.076/5.466 5.256 ± 0.2615
9 1342 1342/1342 1342 ± 0.00002352 5.584 5.462/5.792 5.559 ± 0.2954
10 1342 1342/1342 1342 ± 0.00002352 6.056 5.883/6.176 6.008 ± 0.3011
11 1342 1342/1342 1342 ± 0.00002352 6.31 6.107/6.411 6.233 ± 0.3024
12 1342 1342/1342 1342 ± 0.00002397 6.453 6.25/6.594 6.394 ± 0.3204
13 1342 1342/1342 1342 ± 0.00002352 6.844 6.738/7.076 6.822 ± 0.3387
14 1342 1342/1342 1342 ± 0.00002352 7.069 6.817/7.266 6.971 ± 0.3749
15 1342 1342/1342 1342 ± 0.00002352 6.753 6.442/6.886 6.654 ± 0.3733
16 1342 1342/1342 1342 ± 0.00003834 6.023 5.725/6.295 6.013 ± 0.3354
17 1342 1342/1342 1342 ± 0.00003426 6.017 5.771/6.276 6.011 ± 0.3387
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38619750.eb38664746.59114.89728754629_split_split.ms
Start time
2025-01-04 05:51:44.830
End
2025-01-04 07:11:19.753
Duration
1:19:34.922
Note, WebLog generation is not included in the time.

CASA logs for stage 8