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

Statwt Summary Plot

VLASS2.1.sb38620321.eb38711360.59131.8760765162_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 5.404 5.057/5.873 5.542 ± 0.5465
ea02 1342 1342/1342 1342 ± 0 5.516 5.265/6.424 5.817 ± 0.6549
ea03 1342 1342/1342 1342 ± 0 5.197 4.605/5.857 5.256 ± 0.666
ea04 1342 1342/1342 1342 ± 0 5.337 4.994/6.079 5.533 ± 0.6114
ea05 1342 1342/1342 1342 ± 0 5.736 5.216/6.199 5.776 ± 0.6097
ea06 1342 1342/1342 1342 ± 0 5.12 4.741/5.54 5.162 ± 0.4517
ea07 1342 1342/1342 1342 ± 0 5.809 5.21/6.039 5.759 ± 0.6014
ea08 1342 1342/1342 1342 ± 0 5.75 5.391/6.548 5.991 ± 0.7089
ea09 1342 1342/1342 1342 ± 0 5.464 5.024/6.167 5.587 ± 0.651
ea10 1342 1342/1342 1342 ± 0 5.724 5.077/6.418 5.715 ± 0.696
ea11 1342 1342/1342 1342 ± 0 5.821 5.156/6.254 5.793 ± 0.6602
ea12 1342 1342/1342 1342 ± 0 5.533 5.111/6.23 5.729 ± 0.6535
ea13 1342 1342/1342 1342 ± 0 5.838 5.641/6.34 6.004 ± 0.5286
ea15 1342 1342/1342 1342 ± 0 5.68 5.255/6.412 5.869 ± 0.6962
ea16 1342 1342/1342 1342 ± 0 5.943 5.481/6.625 6.09 ± 0.7404
ea17 1342 1342/1342 1342 ± 0.000002701 6.021 5.54/6.581 6.122 ± 0.7035
ea18 1342 1342/1342 1342 ± 0.000001208 4.766 4.466/5.266 4.881 ± 0.508
ea19 1342 1342/1342 1342 ± 0 5.873 5.259/6.405 5.856 ± 0.6135
ea20 1342 1342/1342 1342 ± 0 5.701 5.218/6.315 5.778 ± 0.6197
ea21 1342 1342/1342 1342 ± 0 5.587 5.204/6.108 5.679 ± 0.5883
ea22 1342 1342/1342 1342 ± 0 5.408 5.096/6.255 5.62 ± 0.6731
ea23 1342 1342/1342 1342 ± 0 5.869 5.214/6.321 5.896 ± 0.7188
ea24 1342 1342/1342 1342 ± 0 5.619 5.272/6.467 5.745 ± 0.6731
ea25 1342 1342/1342 1342 ± 0.000001208 5.44 5.078/5.953 5.545 ± 0.5921
ea26 1342 1342/1342 1342 ± 0 5.805 5.431/6.578 5.983 ± 0.7327
ea27 1342 1342/1342 1342 ± 0.000001208 5.412 5.059/6.235 5.574 ± 0.6401
ea28 1342 1342/1342 1342 ± 0.000006384 5.337 5.104/6.088 5.526 ± 0.666
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 5.22 5.05/5.358 5.173 ± 0.2452
3 1342 1342/1342 1342 ± 0.00002305 4.881 4.699/5.221 4.931 ± 0.3418
4 1342 1342/1342 1342 ± 0.00002425 4.987 4.798/5.208 4.988 ± 0.3164
5 1342 1342/1342 1342 ± 0.00002305 5.095 4.872/5.228 5.076 ± 0.3144
6 1342 1342/1342 1342 ± 0.00002348 5.148 5.031/5.297 5.128 ± 0.2885
7 1342 1342/1342 1342 ± 0.00002305 5.214 5.07/5.318 5.196 ± 0.2498
8 1342 1342/1342 1342 ± 0.00002305 5.165 5.043/5.366 5.163 ± 0.2718
9 1342 1342/1342 1342 ± 0.00002305 5.476 5.316/5.715 5.472 ± 0.3134
10 1342 1342/1342 1342 ± 0.00002305 5.944 5.759/6.094 5.896 ± 0.3098
11 1342 1342/1342 1342 ± 0.00002305 6.21 5.945/6.297 6.123 ± 0.3151
12 1342 1342/1342 1342 ± 0.00002305 6.322 6.079/6.436 6.277 ± 0.3359
13 1342 1342/1342 1342 ± 0.00002305 6.714 6.563/6.792 6.673 ± 0.3449
14 1342 1342/1342 1342 ± 0.00002305 6.88 6.666/7.06 6.82 ± 0.3709
15 1342 1342/1342 1342 ± 0.00002305 6.495 6.393/6.812 6.501 ± 0.3857
16 1342 1342/1342 1342 ± 0.0000235 5.832 5.484/6.063 5.832 ± 0.3668
17 1342 1342/1342 1342 ± 0.00002309 5.782 5.534/6.131 5.809 ± 0.3612
statwtmode
VLASS-SE
vis
VLASS2.1.sb38620321.eb38711360.59131.8760765162_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2024-12-18 05:23:31.983
End
2024-12-18 06:22:03.159
Duration
0:58:31.176
Note, WebLog generation is not included in the time.

CASA logs for stage 8