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 5.437 5.07/6.152 5.366 ± 1.034
ea02 1342 1342/1342 1342 ± 0.00003721 5.16 4.946/6.279 5.381 ± 1.021
ea03 1342 1342/1342 1342 ± 0.000001196 5.263 5.094/6.265 5.44 ± 0.7463
ea04 1342 1342/1342 1342 ± 0.00004845 5 4.587/5.85 4.977 ± 0.8435
ea05 1342 1342/1342 1342 ± 0.00005103 5.164 4.858/6.186 5.216 ± 0.9697
ea06 1342 1342/1342 1342 ± 0.00002163 4.81 4.609/5.742 4.954 ± 0.7918
ea07 1342 1342/1342 1342 ± 0.00004025 5.017 4.814/6.023 5.183 ± 0.9108
ea08 1342 1342/1342 1342 ± 0.00001775 5.699 5.175/6.622 5.611 ± 1.059
ea09 1342 1342/1342 1342 ± 0.00004969 5.05 4.825/5.945 5.192 ± 0.8271
ea10 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea11 1342 1342/1342 1342 ± 0.00005334 5.173 4.466/6.123 5.067 ± 1.038
ea12 1342 1342/1342 1342 ± 0.00004596 5.047 4.579/5.75 4.956 ± 0.9001
ea14 1342 1342/1342 1342 ± 0.00004905 5.29 5.007/6.279 5.306 ± 0.9781
ea15 1342 1342/1342 1342 ± 0.00005014 5.456 4.988/6.474 5.433 ± 1.056
ea16 1342 1342/1342 1342 ± 0.00001995 5.522 5.143/6.299 5.473 ± 0.9604
ea17 1342 1342/1342 1342 ± 0.00004174 5.595 5.146/6.462 5.551 ± 1.075
ea18 1342 1342/1342 1342 ± 0.00001248 5.593 5.316/6.583 5.655 ± 1.017
ea19 1342 1342/1342 1342 ± 0.00003917 5.203 4.872/6.111 5.202 ± 0.9625
ea20 1342 1342/1342 1342 ± 0.000031 5.654 5.35/6.51 5.749 ± 0.9196
ea21 1342 1342/1342 1342 ± 0.000002071 4.997 4.859/5.584 5.069 ± 0.6027
ea22 1342 1342/1342 1342 ± 0.0000294 5.409 4.952/6.24 5.365 ± 0.9684
ea23 1342 1342/1342 1342 ± 0.00004675 5.456 4.927/6.228 5.354 ± 0.9905
ea24 1342 1342/1342 1342 ± 0.000007263 5.085 4.766/5.899 5.345 ± 0.6817
ea25 1342 1342/1342 1342 ± 0.000008767 5.594 5.323/6.456 5.78 ± 0.8186
ea27 1342 1342/1342 1342 ± 0.00001487 5.065 4.655/6.024 5.118 ± 0.8809
ea28 1342 1342/1342 1342 ± 0.000001196 5.615 5.499/6.677 5.813 ± 0.8089
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 ± 0.00002441 5.135 4.864/5.283 5.098 ± 0.2814
5 1342 1342/1342 1342 ± 0.00003717 4.992 4.839/5.341 5.045 ± 0.3574
6 1342 1342/1342 1342 ± 0.00002491 5.092 4.825/5.321 5.101 ± 0.2734
7 1342 1342/1342 1342 ± 0.00002441 5.235 5.007/5.404 5.23 ± 0.2432
8 1342 1342/1342 1342 ± 0.00002441 5.154 4.957/5.358 5.167 ± 0.2759
9 1342 1342/1342 1342 ± 0.00002441 5.436 5.228/5.644 5.425 ± 0.2541
10 1342 1342/1342 1342 ± 0.00002437 5.978 5.781/6.073 5.945 ± 0.2646
11 1342 1342/1342 1342 ± 0.00002437 6.242 6.121/6.455 6.239 ± 0.2798
12 1342 1342/1342 1342 ± 0.00002437 6.402 6.265/6.591 6.424 ± 0.3234
13 1342 1342/1342 1342 ± 0.00002468 6.493 6.24/6.79 6.515 ± 0.4032
14 1342 1342/1342 1342 ± 0.00005348 4.71 4.328/5.239 4.833 ± 0.6243
15 1342 1342/1342 1342 ± 0.00002437 6.511 6.171/6.803 6.465 ± 0.4088
16 1342 1342/1342 1342 ± 0.00006098 3.609 3.435/3.947 3.736 ± 0.4456
17 1342 1342/1342 1342 ± 0.00006075 3.536 3.36/3.82 3.621 ± 0.3851
overwrite_modelcol
False
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-07-23 14:26:24.589
End
2025-07-23 15:27:12.908
Duration
1:00:48.319
Note, WebLog generation is not included in the time.

CASA logs for stage 8