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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.767 5.676/6.509 6.091 ± 0.6509
ea02 1342 1342/1342 1342 ± 0.0000415 6.3 5.824/6.995 6.458 ± 0.6933
ea03 1342 1342/1342 1342 ± 0 5.858 5.09/6.317 5.758 ± 0.653
ea04 1342 1342/1342 1342 ± 0 5.889 5.463/6.582 5.979 ± 0.6443
ea05 1342 1342/1342 1342 ± 0 6.264 5.724/6.865 6.167 ± 0.7455
ea06 1342 1342/1342 1342 ± 0 5.146 4.981/5.521 5.244 ± 0.3452
ea07 1342 1342/1342 1342 ± 0 6.238 5.883/6.726 6.412 ± 0.7157
ea08 1342 1342/1342 1342 ± 0 6.279 5.869/7.11 6.491 ± 0.7534
ea09 1342 1342/1342 1342 ± 0 6.12 5.565/6.85 6.174 ± 0.7455
ea10 1342 1342/1342 1342 ± 0 6.297 5.731/7.106 6.367 ± 0.7413
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.29 5.675/6.801 6.3 ± 0.7713
ea13 1342 1342/1342 1342 ± 0 6.62 6.095/6.765 6.459 ± 0.6576
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.352 5.788/6.918 6.416 ± 0.7705
ea16 1342 1342/1342 1342 ± 0 6.562 5.999/7.133 6.545 ± 0.8224
ea17 1342 1342/1342 1342 ± 0 6.476 6.233/7.637 6.824 ± 0.7215
ea18 1342 1342/1342 1342 ± 0 5.357 4.954/5.823 5.4 ± 0.5959
ea19 1342 1342/1342 1342 ± 0 6.417 5.747/6.961 6.326 ± 0.6952
ea20 1342 1342/1342 1342 ± 0 6.431 5.763/6.945 6.32 ± 0.7366
ea21 1342 1342/1342 1342 ± 0 5.964 5.722/6.728 6.167 ± 0.6811
ea22 1342 1342/1342 1342 ± 0 6.059 5.531/6.559 6.05 ± 0.6287
ea23 1342 1342/1342 1342 ± 0 6.143 5.824/6.953 6.399 ± 0.772
ea24 1342 1342/1342 1342 ± 0 6.271 5.837/7.028 6.351 ± 0.7314
ea25 1342 1342/1342 1342 ± 0 5.929 5.595/6.665 6.104 ± 0.6555
ea26 1342 1342/1342 1342 ± 0 6.783 6.079/7.448 6.758 ± 0.7599
ea27 1342 1342/1342 1342 ± 0 6.098 5.734/6.88 6.227 ± 0.6881
ea28 1342 1342/1342 1342 ± 0 5.932 5.579/6.653 6.105 ± 0.6857
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 ± 0.00002348 5.751 5.483/5.876 5.664 ± 0.3309
4 1342 1342/1342 1342 ± 0.00002561 4.958 4.804/5.116 4.931 ± 0.2514
5 1342 1342/1342 1342 ± 0.00002348 5.764 5.541/5.982 5.742 ± 0.3818
6 1342 1342/1342 1342 ± 0.00002348 5.704 5.556/5.906 5.663 ± 0.3447
7 1342 1342/1342 1342 ± 0.00002348 5.744 5.592/5.84 5.691 ± 0.3191
8 1342 1342/1342 1342 ± 0.00002348 5.657 5.493/5.818 5.607 ± 0.3554
9 1342 1342/1342 1342 ± 0.00002348 5.908 5.683/6.274 5.887 ± 0.3912
10 1342 1342/1342 1342 ± 0.00002348 6.447 6.241/6.66 6.373 ± 0.3749
11 1342 1342/1342 1342 ± 0.00002348 6.637 6.46/6.83 6.6 ± 0.3895
12 1342 1342/1342 1342 ± 0.00002348 6.839 6.62/6.966 6.767 ± 0.4332
13 1342 1342/1342 1342 ± 0.00002348 7.292 7.17/7.454 7.241 ± 0.467
14 1342 1342/1342 1342 ± 0.00002348 7.501 7.308/7.803 7.453 ± 0.5112
15 1342 1342/1342 1342 ± 0.00002348 7.053 6.871/7.382 7.025 ± 0.4878
16 1342 1342/1342 1342 ± 0.00002393 6.268 6.092/6.536 6.286 ± 0.384
17 1342 1342/1342 1342 ± 0.00002393 6.348 6.079/6.566 6.302 ± 0.3821
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
output_dir
 
Start time
2025-01-11 03:34:29.717
End
2025-01-11 04:34:02.051
Duration
0:59:32.335
Note, WebLog generation is not included in the time.

CASA logs for stage 8