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 5.775 5.663/6.507 6.081 ± 0.6466
ea02 1342 1342/1342 1342 ± 0.0000415 6.21 5.79/6.99 6.409 ± 0.7101
ea03 1342 1342/1342 1342 ± 0 5.795 5.075/6.309 5.73 ± 0.6508
ea04 1342 1342/1342 1342 ± 0 5.87 5.438/6.589 5.965 ± 0.6544
ea05 1342 1342/1342 1342 ± 0 6.282 5.716/6.863 6.173 ± 0.7431
ea06 1342 1342/1342 1342 ± 0 5.162 4.971/5.522 5.244 ± 0.3496
ea07 1342 1342/1342 1342 ± 0 6.217 5.866/6.709 6.395 ± 0.7161
ea08 1342 1342/1342 1342 ± 0.000007472 6.204 5.876/7.117 6.477 ± 0.7621
ea09 1342 1342/1342 1342 ± 0 6.097 5.558/6.833 6.129 ± 0.7362
ea10 1342 1342/1342 1342 ± 0 6.245 5.717/7.103 6.353 ± 0.7476
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.273 5.662/6.783 6.297 ± 0.7639
ea13 1342 1342/1342 1342 ± 0 6.562 6.07/6.654 6.428 ± 0.6521
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.351 5.774/6.903 6.394 ± 0.7667
ea16 1342 1342/1342 1342 ± 0 6.448 5.98/7.111 6.492 ± 0.8158
ea17 1342 1342/1342 1342 ± 0 6.554 6.23/7.619 6.834 ± 0.7174
ea18 1342 1342/1342 1342 ± 0 5.312 4.91/5.802 5.367 ± 0.5751
ea19 1342 1342/1342 1342 ± 0 6.39 5.732/6.942 6.294 ± 0.694
ea20 1342 1342/1342 1342 ± 0 6.435 5.769/6.947 6.32 ± 0.7364
ea21 1342 1342/1342 1342 ± 0 5.93 5.706/6.704 6.149 ± 0.6794
ea22 1342 1342/1342 1342 ± 0 5.866 5.533/6.55 6.019 ± 0.622
ea23 1342 1342/1342 1342 ± 0 6.132 5.809/6.959 6.379 ± 0.7834
ea24 1342 1342/1342 1342 ± 0.000007387 6.141 5.832/6.986 6.328 ± 0.7317
ea25 1342 1342/1342 1342 ± 0 5.93 5.584/6.646 6.096 ± 0.6569
ea26 1342 1342/1342 1342 ± 0 6.676 6.181/7.434 6.779 ± 0.6993
ea27 1342 1342/1342 1342 ± 0 5.978 5.744/6.891 6.204 ± 0.6904
ea28 1342 1342/1342 1342 ± 0 5.802 5.569/6.645 6.078 ± 0.6933
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 5.744 5.462/5.855 5.649 ± 0.3308
4 1342 1342/1342 1342 ± 0.00002595 4.943 4.779/5.056 4.897 ± 0.2258
5 1342 1342/1342 1342 ± 0.00002348 5.76 5.54/6.001 5.732 ± 0.3795
6 1342 1342/1342 1342 ± 0.00002348 5.691 5.536/5.906 5.649 ± 0.3442
7 1342 1342/1342 1342 ± 0.00002348 5.74 5.582/5.829 5.681 ± 0.3223
8 1342 1342/1342 1342 ± 0.00002348 5.645 5.501/5.789 5.599 ± 0.3564
9 1342 1342/1342 1342 ± 0.00002348 5.918 5.666/6.254 5.88 ± 0.3942
10 1342 1342/1342 1342 ± 0.00002348 6.414 6.224/6.652 6.362 ± 0.3808
11 1342 1342/1342 1342 ± 0.00002348 6.63 6.459/6.824 6.593 ± 0.3939
12 1342 1342/1342 1342 ± 0.00002348 6.803 6.622/6.966 6.763 ± 0.4381
13 1342 1342/1342 1342 ± 0.00002348 7.29 7.172/7.431 7.23 ± 0.4678
14 1342 1342/1342 1342 ± 0.00002348 7.496 7.305/7.791 7.44 ± 0.5098
15 1342 1342/1342 1342 ± 0.00002348 7.004 6.865/7.342 6.993 ± 0.485
16 1342 1342/1342 1342 ± 0.00002506 6.18 5.972/6.544 6.209 ± 0.3692
17 1342 1342/1342 1342 ± 0.00002402 6.234 6.063/6.502 6.23 ± 0.374
datacolumn
residual_data
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2025-01-11 05:34:21.969
End
2025-01-11 06:50:40.485
Duration
1:16:18.516
Note, WebLog generation is not included in the time.

CASA logs for stage 8