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

Statwt Summary Plot

VLASS3.2.sb45486206.eb46169366.60475.03141015046_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 5.38 5.221/6.043 5.39 ± 0.9086
ea02 1342 1342/1342 1342 ± 0.00004315 5.12 4.518/6.219 5.287 ± 0.9515
ea03 1342 1342/1342 1342 ± 0.0000031 5.085 4.873/5.8 5.221 ± 0.6533
ea04 1342 1342/1342 1342 ± 0.00004202 4.955 4.46/5.698 4.922 ± 0.7864
ea05 1342 1342/1342 1342 ± 0.00004414 5.257 4.792/6.077 5.247 ± 0.92
ea06 1342 1342/1342 1342 ± 0.00001197 4.787 4.574/5.714 4.956 ± 0.7021
ea07 1342 1342/1342 1342 ± 0.0000385 4.968 4.532/5.914 5.115 ± 0.8677
ea08 1342 1342/1342 1342 ± 0.000034 5.354 4.979/6.474 5.468 ± 1.003
ea09 1342 1342/1342 1342 ± 0.00003963 5.017 4.761/5.746 5.047 ± 0.8231
ea10 1342 1342/1342 1342 ± 0.0000357 2.446 2.232/2.624 2.427 ± 0.2852
ea11 1342 1342/1342 1342 ± 0.00004843 5.134 4.555/6.049 5.125 ± 0.9711
ea12 1342 1342/1342 1342 ± 0.0000395 4.911 4.433/5.546 4.843 ± 0.782
ea14 1342 1342/1342 1342 ± 0.00004241 5.23 4.863/6.151 5.26 ± 0.8918
ea15 1342 1342/1342 1342 ± 0.00004464 5.404 5.125/6.44 5.471 ± 0.9975
ea16 1342 1342/1342 1342 ± 0.0000125 5.428 4.991/6.142 5.371 ± 0.8032
ea17 1342 1342/1342 1342 ± 0.0000409 5.534 5.085/6.424 5.556 ± 1.049
ea18 1342 1342/1342 1342 ± 0.00002931 5.431 4.908/6.402 5.432 ± 0.9848
ea19 1342 1342/1342 1342 ± 0.00002587 5.237 5.047/6.039 5.207 ± 0.9025
ea20 1342 1342/1342 1342 ± 0.00001482 5.634 5.469/6.333 5.756 ± 0.8071
ea21 1342 1342/1342 1342 ± 0.000003885 4.682 4.494/5.227 4.756 ± 0.5304
ea22 1342 1342/1342 1342 ± 0.00003677 5.327 4.786/6.129 5.278 ± 0.9027
ea23 1342 1342/1342 1342 ± 0.00004166 5.417 4.873/6.218 5.34 ± 0.9383
ea24 1342 1342/1342 1342 ± 0.000005033 5.098 4.738/6.033 5.288 ± 0.6765
ea25 1342 1342/1342 1342 ± 0.000005536 5.545 5.078/6.087 5.542 ± 0.6922
ea27 1342 1342/1342 1342 ± 0.000007301 5.034 4.632/5.904 5.073 ± 0.8633
ea28 1342 1342/1342 1342 ± 0.000006427 5.618 5.423/6.206 5.733 ± 0.7614
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 ± 0.00002366 5.045 4.716/5.224 4.948 ± 0.4857
5 1342 1342/1342 1342 ± 0.0000273 4.844 4.567/5.025 4.774 ± 0.5313
6 1342 1342/1342 1342 ± 0.0000241 4.947 4.785/5.275 4.957 ± 0.4929
7 1342 1342/1342 1342 ± 0.00002366 5.096 4.932/5.261 5.06 ± 0.4849
8 1342 1342/1342 1342 ± 0.00002366 5.05 4.865/5.262 5.003 ± 0.5068
9 1342 1342/1342 1342 ± 0.00002366 5.372 5.107/5.578 5.283 ± 0.5215
10 1342 1342/1342 1342 ± 0.00002348 5.918 5.611/5.998 5.7 ± 0.6843
11 1342 1342/1342 1342 ± 0.00002348 6.126 5.913/6.236 5.976 ± 0.7089
12 1342 1342/1342 1342 ± 0.00002348 6.297 6.101/6.44 6.148 ± 0.7367
13 1342 1342/1342 1342 ± 0.00002348 6.343 6.084/6.547 6.216 ± 0.8322
14 1342 1342/1342 1342 ± 0.00003924 4.571 4.355/5.007 4.705 ± 0.7798
15 1342 1342/1342 1342 ± 0.00002349 6.113 5.802/6.521 6.003 ± 0.9011
16 1342 1342/1342 1342 ± 0.00006079 3.653 3.475/3.957 3.72 ± 0.5398
17 1342 1342/1342 1342 ± 0.0000605 3.557 3.381/3.847 3.632 ± 0.3699
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-23 08:12:37.394
End
2025-07-23 09:21:21.365
Duration
1:08:43.971
Note, WebLog generation is not included in the time.

CASA logs for stage 8