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

Statwt Summary Plot

VLASS3.2.sb45665927.eb46086746.60447.529309328704_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 6.285 5.638/6.689 6.227 ± 0.6488
ea02 1342 1342/1342 1342 ± 0 5.907 5.137/6.095 5.784 ± 0.6183
ea03 1342 1342/1342 1342 ± 0 6.339 5.511/6.977 6.312 ± 0.8057
ea04 1342 1342/1342 1342 ± 0 5.716 5.171/6.165 5.728 ± 0.6045
ea05 1342 1342/1342 1342 ± 0 6.207 5.434/6.886 6.169 ± 0.7068
ea06 1342 1342/1342 1342 ± 0 6.337 5.297/6.547 6.051 ± 0.7289
ea07 1342 1342/1342 1342 ± 0 5.918 5.131/6.261 5.786 ± 0.724
ea08 1342 1342/1342 1342 ± 0 5.897 4.882/6.082 5.637 ± 0.7101
ea09 1342 1342/1342 1342 ± 0 5.624 5/6.335 5.683 ± 0.6805
ea10 1342 1342/1342 1342 ± 0 5.852 5.247/6.299 5.794 ± 0.6164
ea11 1342 1342/1342 1342 ± 0 5.796 5.402/6.665 5.974 ± 0.7487
ea12 1342 1342/1342 1342 ± 0 5.84 5.376/6.481 5.927 ± 0.6371
ea13 1342 1342/1342 1342 ± 0 5.587 4.828/5.718 5.388 ± 0.5571
ea14 1342 1342/1342 1342 ± 0 6.268 5.685/6.76 6.289 ± 0.6177
ea15 1342 1342/1342 1342 ± 0 6.271 5.575/6.705 6.204 ± 0.7331
ea16 1342 1342/1342 1342 ± 0 6.452 5.831/6.982 6.481 ± 0.7519
ea17 1342 1342/1342 1342 ± 0 6.147 5.689/7.07 6.304 ± 0.7359
ea18 1342 1342/1342 1342 ± 0 6.08 5.614/6.446 5.955 ± 0.5804
ea19 1342 1342/1342 1342 ± 0 6.27 5.579/6.821 6.237 ± 0.6909
ea20 1342 1342/1342 1342 ± 0 6.257 5.615/6.841 6.186 ± 0.7102
ea21 1342 1342/1342 1342 ± 0 5.639 5.103/6.062 5.615 ± 0.5785
ea22 1342 1342/1342 1342 ± 0 5.695 4.947/6.027 5.533 ± 0.6322
ea23 1342 1342/1342 1342 ± 0 6.254 5.561/6.454 6.155 ± 0.6897
ea24 1342 1342/1342 1342 ± 0 5.631 4.859/5.889 5.407 ± 0.6496
ea25 1342 1342/1342 1342 ± 0 6.693 5.809/7.247 6.637 ± 0.8748
ea27 1342 1342/1342 1342 ± 0 6.209 5.379/6.669 6.076 ± 0.7053
ea28 1342 1342/1342 1342 ± 0 6.035 5.325/6.581 5.931 ± 0.6895
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 ± 0.00002393 5.469 5.265/5.609 5.398 ± 0.3201
4 1342 1342/1342 1342 ± 0.00002393 5.212 4.962/5.392 5.261 ± 0.3436
5 1342 1342/1342 1342 ± 0.00002396 5.172 4.984/5.366 5.181 ± 0.3196
6 1342 1342/1342 1342 ± 0.00002368 5.121 4.93/5.377 5.159 ± 0.2867
7 1342 1342/1342 1342 ± 0.00002348 5.409 5.012/5.581 5.345 ± 0.3231
8 1342 1342/1342 1342 ± 0.00002312 5.324 5.096/5.602 5.317 ± 0.3661
9 1342 1342/1342 1342 ± 0.00002312 5.737 5.361/5.92 5.654 ± 0.3684
10 1342 1342/1342 1342 ± 0.00002312 6.148 5.826/6.352 6.11 ± 0.3233
11 1342 1342/1342 1342 ± 0.00002312 6.385 6.016/6.665 6.336 ± 0.3376
12 1342 1342/1342 1342 ± 0.00002306 6.485 6.109/6.821 6.478 ± 0.3921
13 1342 1342/1342 1342 ± 0.00002306 6.976 6.632/7.314 6.946 ± 0.4461
14 1342 1342/1342 1342 ± 0.00002306 7.138 6.786/7.418 7.119 ± 0.4401
15 1342 1342/1342 1342 ± 0.00002306 6.847 6.49/7.094 6.823 ± 0.4199
16 1342 1342/1342 1342 ± 0.00002306 6.248 5.943/6.522 6.251 ± 0.3824
17 1342 1342/1342 1342 ± 0.00002306 6.202 5.878/6.544 6.183 ± 0.3836
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45665927.eb46086746.60447.529309328704_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2025-07-29 10:31:53.048
End
2025-07-29 11:49:59.951
Duration
1:18:06.903
Note, WebLog generation is not included in the time.

CASA logs for stage 8