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

Statwt Summary Plot

VLASS2.1.sb38500385.eb38635359.59099.351010810184_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 5.263 5.12/6.101 5.552 ± 0.6713
ea02 1342 1342/1342 1342 ± 0.00002603 5.771 5.259/6.636 5.952 ± 0.8853
ea04 1342 1342/1342 1342 ± 0.00001585 5.372 5.014/5.979 5.506 ± 0.7094
ea05 1342 1342/1342 1342 ± 0.00001854 5.475 5.119/6.574 5.796 ± 0.7719
ea06 1342 1342/1342 1342 ± 0.000021 4.649 4.46/5.233 4.788 ± 0.5171
ea07 1342 1342/1342 1342 ± 0.00004347 5.791 5.385/6.312 5.859 ± 0.8147
ea08 1342 1342/1342 1342 ± 0.0000437 5.847 5.406/6.787 6.081 ± 0.9238
ea09 1342 1342/1342 1342 ± 0 5.6 5.184/6.568 5.825 ± 0.757
ea10 1342 1342/1342 1342 ± 0.00004391 5.772 5.17/6.626 5.838 ± 0.8815
ea11 1342 1342/1342 1342 ± 0.00004263 5.482 5.033/6.405 5.67 ± 0.8649
ea12 1342 1342/1342 1342 ± 0.00002159 5.552 5.306/6.268 5.773 ± 0.8114
ea13 1342 1342/1342 1342 ± 0 5.74 5.555/6.363 6.052 ± 0.6956
ea14 1342 1342/1342 1342 ± 0.00003999 5.52 5.143/6.412 5.712 ± 0.7835
ea15 1342 1342/1342 1342 ± 0.00001148 5.301 5.022/6.194 5.557 ± 0.7965
ea16 1342 1342/1342 1342 ± 0.00001285 5.9 5.424/6.818 6.051 ± 0.9761
ea17 1342 1342/1342 1342 ± 0.00004392 5.769 5.294/6.478 5.927 ± 0.8865
ea18 1342 1342/1342 1342 ± 0.00004353 4.791 4.684/5.406 5.048 ± 0.5988
ea19 1342 1342/1342 1342 ± 0.0000229 5.771 5.545/6.852 6.145 ± 0.8604
ea20 1342 1342/1342 1342 ± 0.00003712 5.824 5.687/6.746 6.059 ± 0.8964
ea21 1342 1342/1342 1342 ± 0.00002755 5.559 5.215/6.41 5.763 ± 0.8009
ea22 1342 1342/1342 1342 ± 0.000003935 5.415 5.031/6.342 5.654 ± 0.7119
ea23 1342 1342/1342 1342 ± 0.0000417 5.66 5.32/6.631 5.897 ± 0.8942
ea25 1342 1342/1342 1342 ± 0.00004402 5.474 5.052/6.116 5.599 ± 0.7865
ea26 1342 1342/1342 1342 ± 0 5.766 5.631/6.974 6.18 ± 0.8007
ea27 1342 1342/1342 1342 ± 0.00004347 5.487 5.174/6.441 5.673 ± 0.7957
ea28 1342 1342/1342 1342 ± 0.00004361 5.544 5.337/6.555 5.863 ± 0.8502
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 ± 0.00002361 5.255 5.057/5.572 5.275 ± 0.2958
5 1342 1342/1342 1342 ± 0.00003257 5.42 5.18/5.657 5.415 ± 0.3002
6 1342 1342/1342 1342 ± 0.00002361 5.31 5.066/5.486 5.253 ± 0.3007
7 1342 1342/1342 1342 ± 0.00002361 5.297 5.164/5.513 5.295 ± 0.2814
8 1342 1342/1342 1342 ± 0.00002361 5.286 5.093/5.423 5.246 ± 0.3043
9 1342 1342/1342 1342 ± 0.00002361 5.531 5.31/5.769 5.493 ± 0.3332
10 1342 1342/1342 1342 ± 0.0000236 6.064 5.91/6.238 6.017 ± 0.3273
11 1342 1342/1342 1342 ± 0.0000236 6.352 6.184/6.454 6.276 ± 0.346
12 1342 1342/1342 1342 ± 0.0000236 6.552 6.315/6.674 6.472 ± 0.3776
13 1342 1342/1342 1342 ± 0.0000236 6.989 6.767/7.187 6.925 ± 0.4101
14 1342 1342/1342 1342 ± 0.0000236 7.181 6.95/7.407 7.128 ± 0.4622
15 1342 1342/1342 1342 ± 0.00002437 6.535 6.1/6.854 6.464 ± 0.5975
16 1342 1342/1342 1342 ± 0.00006071 4.529 4.357/4.702 4.532 ± 0.2509
17 1342 1342/1342 1342 ± 0.00006097 4.679 4.534/4.905 4.736 ± 0.3096
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-08 06:39:38.102
End
2025-01-08 07:09:11.661
Duration
0:29:33.559
Note, WebLog generation is not included in the time.

CASA logs for stage 8