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

Statwt Summary Plot

VLASS2.2.sb40528187.eb40882891.59510.17895375_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 6.033 5.747/6.653 6.253 ± 0.6103
ea02 1342 1342/1342 1342 ± 0.00002955 6.136 5.536/6.707 6.08 ± 0.8809
ea03 1342 1342/1342 1342 ± 0.000001159 5.583 5.188/6.437 5.722 ± 0.836
ea04 1342 1342/1342 1342 ± 0 5.845 5.358/6.567 5.938 ± 0.643
ea06 1342 1342/1342 1342 ± 0 6.145 5.676/6.62 6.201 ± 0.6028
ea07 1342 1342/1342 1342 ± 0 6.078 5.534/6.493 6.112 ± 0.6238
ea08 1342 1342/1342 1342 ± 0.000002006 6.132 5.768/6.885 6.347 ± 0.7352
ea09 1342 1342/1342 1342 ± 0 6.05 5.519/6.812 6.133 ± 0.6995
ea10 1342 1342/1342 1342 ± 0 6.245 5.564/6.821 6.149 ± 0.6969
ea11 1342 1342/1342 1342 ± 0 6.297 5.475/6.732 6.192 ± 0.7749
ea12 1342 1342/1342 1342 ± 0 6.117 5.61/6.688 6.206 ± 0.7533
ea13 1342 1342/1342 1342 ± 0 6.017 5.726/6.518 6.15 ± 0.5802
ea14 1342 1342/1342 1342 ± 0 6.435 5.81/6.891 6.44 ± 0.6897
ea15 1342 1342/1342 1342 ± 0 5.643 5.066/5.992 5.58 ± 0.6812
ea16 1342 1342/1342 1342 ± 0 6.204 5.727/6.832 6.324 ± 0.7506
ea17 1342 1342/1342 1342 ± 0 6.532 6.221/7.352 6.769 ± 0.6743
ea18 1342 1342/1342 1342 ± 0 4.525 4.272/4.917 4.613 ± 0.4343
ea19 1342 1342/1342 1342 ± 0 6.334 5.882/6.95 6.472 ± 0.7201
ea20 1342 1342/1342 1342 ± 0 6.023 5.69/6.742 6.146 ± 0.7938
ea21 1342 1342/1342 1342 ± 0 6.035 5.679/6.634 6.179 ± 0.6305
ea22 1342 1342/1342 1342 ± 0 6.384 5.57/6.812 6.242 ± 0.718
ea23 1342 1342/1342 1342 ± 0 6.275 5.755/6.707 6.289 ± 0.7841
ea24 1342 1342/1342 1342 ± 0 5.909 5.232/6.431 5.834 ± 0.5937
ea25 1342 1342/1342 1342 ± 0 6.648 5.793/7.139 6.562 ± 0.8081
ea26 1342 1342/1342 1342 ± 0 6.363 5.887/7.238 6.497 ± 0.7257
ea27 1342 1342/1342 1342 ± 0 5.999 5.576/6.903 6.17 ± 0.7862
ea28 1342 1342/1342 1342 ± 0 6.17 5.863/7.027 6.426 ± 0.7822
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 ± 0.00002305 5.693 5.482/5.949 5.647 ± 0.3529
3 1342 1342/1342 1342 ± 0.0000266 4.977 4.541/5.328 4.948 ± 0.5963
4 1342 1342/1342 1342 ± 0.00002466 5.448 5.126/5.62 5.36 ± 0.4648
5 1342 1342/1342 1342 ± 0.00002305 5.708 5.38/5.829 5.6 ± 0.4073
6 1342 1342/1342 1342 ± 0.00002305 5.625 5.377/5.802 5.553 ± 0.3427
7 1342 1342/1342 1342 ± 0.00002305 5.689 5.473/5.789 5.604 ± 0.3452
8 1342 1342/1342 1342 ± 0.00002305 5.587 5.362/5.811 5.555 ± 0.3799
9 1342 1342/1342 1342 ± 0.00002305 5.961 5.747/6.123 5.873 ± 0.4106
10 1342 1342/1342 1342 ± 0.00002305 6.432 6.248/6.537 6.311 ± 0.4201
11 1342 1342/1342 1342 ± 0.00002305 6.635 6.43/6.77 6.543 ± 0.4303
12 1342 1342/1342 1342 ± 0.00002305 6.783 6.524/6.845 6.683 ± 0.4635
13 1342 1342/1342 1342 ± 0.00002305 7.257 7.006/7.498 7.18 ± 0.4964
14 1342 1342/1342 1342 ± 0.00002305 7.489 7.326/7.75 7.411 ± 0.505
15 1342 1342/1342 1342 ± 0.00002306 7.093 6.929/7.353 7.044 ± 0.4706
16 1342 1342/1342 1342 ± 0.00002307 6.389 6.109/6.678 6.351 ± 0.4638
17 1342 1342/1342 1342 ± 0.0000231 6.363 6.04/6.612 6.299 ± 0.4787
statwtmode
VLASS-SE
vis
VLASS2.2.sb40528187.eb40882891.59510.17895375_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2025-05-23 12:32:05.232
End
2025-05-23 13:35:21.241
Duration
1:03:16.009
Note, WebLog generation is not included in the time.

CASA logs for stage 8