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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.327 5.219/5.954 5.436 ± 0.7412
ea02 1342 1342/1342 1342 ± 0.00004211 5.764 5.355/6.466 5.73 ± 0.931
ea05 1342 1342/1342 1342 ± 0.00001905 5.475 5.124/6.487 5.729 ± 0.748
ea06 1342 1342/1342 1342 ± 0 4.86 4.798/5.386 4.946 ± 0.5498
ea07 1342 1342/1342 1342 ± 0.00004203 5.821 5.396/5.978 5.652 ± 0.7465
ea08 1342 1342/1342 1342 ± 0.00004216 5.943 5.597/6.749 5.953 ± 0.9924
ea09 1342 1342/1342 1342 ± 0.00002065 3.833 3.369/5.767 4.437 ± 1.144
ea10 1342 1342/1342 1342 ± 0.00004203 5.394 5.113/6.4 5.587 ± 0.8419
ea11 1342 1342/1342 1342 ± 0 5.879 5.326/6.497 5.988 ± 0.6354
ea12 1342 1342/1342 1342 ± 0.000001608 5.563 5.381/6.555 5.791 ± 0.9081
ea13 1342 1342/1342 1342 ± 0.00001873 5.896 5.742/6.405 5.89 ± 0.7615
ea14 1342 1342/1342 1342 ± 0.00001691 6.581 6.084/7.116 6.182 ± 1.017
ea15 1342 1342/1342 1342 ± 0 5.3 5.156/6.186 5.586 ± 0.7991
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00004229 5.833 5.637/6.54 5.901 ± 0.9075
ea18 1342 1342/1342 1342 ± 0.00002629 4.97 4.731/5.809 5.073 ± 0.715
ea19 1342 1342/1342 1342 ± 0.00001208 5.616 5.444/6.719 5.924 ± 0.7811
ea20 1342 1342/1342 1342 ± 0.00001165 5.974 5.788/7.021 6.087 ± 1.005
ea21 1342 1342/1342 1342 ± 0.00002533 5.461 5.356/6.361 5.739 ± 0.742
ea22 1342 1342/1342 1342 ± 0.00004194 5.355 5.157/6.295 5.499 ± 0.853
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.352 5.316/5.383 5.344 ± 0.1446
ea26 1342 1342/1342 1342 ± 0.00001318 5.661 5.512/6.618 5.773 ± 0.8175
ea27 1342 1342/1342 1342 ± 0.0000422 5.526 5.136/6.438 5.609 ± 0.8234
ea28 1342 1342/1342 1342 ± 0.00005286 6.52 5.738/6.612 5.944 ± 1.118
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 ± 0.00002604 5.512 5.268/5.723 5.401 ± 0.5013
3 1342 1342/1342 1342 ± 0.00002601 5.331 5.161/5.45 5.217 ± 0.4853
5 1342 1342/1342 1342 ± 0.00002604 5.385 5.251/5.57 5.284 ± 0.5579
6 1342 1342/1342 1342 ± 0.00002604 5.396 5.191/5.47 5.271 ± 0.5107
7 1342 1342/1342 1342 ± 0.00002604 5.327 5.185/5.478 5.265 ± 0.4904
8 1342 1342/1342 1342 ± 0.00002604 5.349 5.076/5.451 5.199 ± 0.5141
9 1342 1342/1342 1342 ± 0.00002604 5.589 5.431/5.832 5.48 ± 0.5802
10 1342 1342/1342 1342 ± 0.00002547 6.08 5.854/6.176 5.999 ± 0.3521
11 1342 1342/1342 1342 ± 0.00002547 6.401 6.186/6.473 6.272 ± 0.3588
12 1342 1342/1342 1342 ± 0.00002547 6.527 6.178/6.621 6.429 ± 0.367
13 1342 1342/1342 1342 ± 0.00002547 6.736 6.462/7.045 6.691 ± 0.4169
14 1342 1342/1342 1342 ± 0.00002637 6.699 6.29/6.98 6.617 ± 0.4896
15 1342 1342/1342 1342 ± 0.00002604 6.731 6.577/6.962 6.663 ± 0.4768
16 1342 1342/1342 1342 ± 0.00006098 4.109 3.945/4.293 4.158 ± 0.2979
17 1342 1342/1342 1342 ± 0.00006102 4.073 3.905/4.336 4.142 ± 0.324
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-01-25 06:45:22.745
End
2025-01-25 07:10:19.203
Duration
0:24:56.459
Note, WebLog generation is not included in the time.

CASA logs for stage 8