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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 5.983 5.798/6.724 6.25 ± 0.5819
ea02 1342 1342/1342 1342 ± 0 6.215 5.849/6.929 6.382 ± 0.6417
ea03 1342 1342/1342 1342 ± 0.00001082 5.361 5.167/6.58 5.758 ± 0.7012
ea04 1342 1342/1342 1342 ± 0 5.949 5.4/6.643 6.042 ± 0.6572
ea06 1342 1342/1342 1342 ± 0 6.335 5.616/6.606 6.188 ± 0.6156
ea07 1342 1342/1342 1342 ± 0 5.963 5.4/6.111 5.912 ± 0.4877
ea08 1342 1342/1342 1342 ± 0.000004576 6.196 5.781/6.97 6.429 ± 0.6282
ea09 1342 1342/1342 1342 ± 0 5.991 5.526/6.822 6.138 ± 0.6703
ea10 1342 1342/1342 1342 ± 0.00001263 6.072 5.6/6.713 6.159 ± 0.5796
ea11 1342 1342/1342 1342 ± 0 6.311 5.692/6.946 6.412 ± 0.7042
ea12 1342 1342/1342 1342 ± 0 6.278 5.722/6.857 6.348 ± 0.6577
ea13 1342 1342/1342 1342 ± 0 6.228 5.838/6.754 6.389 ± 0.5433
ea14 1342 1342/1342 1342 ± 0 6.361 5.678/6.729 6.279 ± 0.6987
ea15 1342 1342/1342 1342 ± 0 6.217 5.557/6.625 6.154 ± 0.7014
ea16 1342 1342/1342 1342 ± 0 6.281 5.792/6.721 6.345 ± 0.6339
ea17 1342 1342/1342 1342 ± 0 6.648 6.266/7.57 6.85 ± 0.6626
ea18 1342 1342/1342 1342 ± 0 4.94 4.606/5.295 4.963 ± 0.4232
ea19 1342 1342/1342 1342 ± 0 6.547 5.911/7.019 6.5 ± 0.6286
ea20 1342 1342/1342 1342 ± 0 6.15 5.881/7.072 6.387 ± 0.6275
ea21 1342 1342/1342 1342 ± 0 6.051 5.689/6.674 6.225 ± 0.5775
ea22 1342 1342/1342 1342 ± 0 6.525 5.723/6.905 6.385 ± 0.6645
ea23 1342 1342/1342 1342 ± 0 6.27 5.88/6.917 6.448 ± 0.6907
ea24 1342 1342/1342 1342 ± 0 6.019 5.431/6.704 6.022 ± 0.6325
ea25 1342 1342/1342 1342 ± 0 6.168 5.414/6.502 6.063 ± 0.715
ea26 1342 1342/1342 1342 ± 0 6.199 5.763/7.059 6.361 ± 0.6563
ea27 1342 1342/1342 1342 ± 0 5.973 5.742/6.957 6.266 ± 0.6737
ea28 1342 1342/1342 1342 ± 0 5.967 5.72/6.855 6.284 ± 0.6641
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 5.705 5.595/5.823 5.662 ± 0.3091
4 1342 1342/1342 1342 ± 0.00002463 5.479 5.169/5.592 5.401 ± 0.4176
5 1342 1342/1342 1342 ± 0.00002305 5.734 5.45/5.947 5.681 ± 0.3663
6 1342 1342/1342 1342 ± 0.00002305 5.598 5.465/5.802 5.592 ± 0.3107
7 1342 1342/1342 1342 ± 0.00002305 5.698 5.54/5.876 5.671 ± 0.3044
8 1342 1342/1342 1342 ± 0.00002305 5.641 5.403/5.815 5.618 ± 0.3213
9 1342 1342/1342 1342 ± 0.00002305 5.958 5.794/6.108 5.925 ± 0.3475
10 1342 1342/1342 1342 ± 0.00002305 6.416 6.224/6.584 6.361 ± 0.3545
11 1342 1342/1342 1342 ± 0.00002305 6.658 6.461/6.805 6.585 ± 0.3703
12 1342 1342/1342 1342 ± 0.00002305 6.731 6.617/6.928 6.725 ± 0.395
13 1342 1342/1342 1342 ± 0.00002305 7.254 7.005/7.396 7.174 ± 0.4171
14 1342 1342/1342 1342 ± 0.00002305 7.471 7.239/7.57 7.366 ± 0.4002
15 1342 1342/1342 1342 ± 0.00002305 7.062 6.891/7.22 6.996 ± 0.3931
16 1342 1342/1342 1342 ± 0.00002305 6.239 6.106/6.489 6.256 ± 0.3936
17 1342 1342/1342 1342 ± 0.00002615 6.201 5.979/6.455 6.169 ± 0.3945
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2025-05-14 11:42:56.404
End
2025-05-14 12:49:52.215
Duration
1:06:55.811
Note, WebLog generation is not included in the time.

CASA logs for stage 8