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

Statwt Summary Plot

VLASS2.1.sb38611939.eb38656872.59108.99831386574_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 5.75 5.262/6.034 5.644 ± 0.6032
ea02 1342 1342/1342 1342 ± 0.00002955 5.568 5.301/6.329 5.799 ± 0.7095
ea04 1342 1342/1342 1342 ± 0 5.364 5.083/6.013 5.563 ± 0.5495
ea05 1342 1342/1342 1342 ± 0 5.615 5.113/6.187 5.694 ± 0.6309
ea06 1342 1342/1342 1342 ± 0 4.797 4.627/5.191 4.893 ± 0.3535
ea07 1342 1342/1342 1342 ± 0 5.881 5.335/6.116 5.859 ± 0.5858
ea08 1342 1342/1342 1342 ± 0.000002147 5.822 5.566/6.648 6.122 ± 0.7173
ea09 1342 1342/1342 1342 ± 0 5.611 5.141/6.194 5.682 ± 0.6405
ea10 1342 1342/1342 1342 ± 0.000002147 5.925 5.253/6.51 5.866 ± 0.7402
ea11 1342 1342/1342 1342 ± 0 5.979 5.145/6.365 5.823 ± 0.711
ea12 1342 1342/1342 1342 ± 0 5.649 5.256/6.359 5.868 ± 0.6586
ea13 1342 1342/1342 1342 ± 0 5.924 5.681/6.286 6.041 ± 0.4988
ea14 1342 1342/1342 1342 ± 0 5.727 5.231/6.367 5.832 ± 0.6977
ea15 1342 1342/1342 1342 ± 0 5.607 5.203/6.283 5.793 ± 0.6678
ea16 1342 1342/1342 1342 ± 0 5.986 5.554/6.623 6.124 ± 0.7273
ea17 1342 1342/1342 1342 ± 0.000007001 5.937 5.354/6.815 6.001 ± 0.6885
ea18 1342 1342/1342 1342 ± 0 4.895 4.638/5.441 5.023 ± 0.5284
ea19 1342 1342/1342 1342 ± 0 5.811 5.4/6.568 6.006 ± 0.6791
ea20 1342 1342/1342 1342 ± 0 5.969 5.571/6.628 6.133 ± 0.6596
ea21 1342 1342/1342 1342 ± 0 5.613 5.216/6.111 5.701 ± 0.5745
ea22 1342 1342/1342 1342 ± 0 5.452 5.19/6.215 5.653 ± 0.6558
ea23 1342 1342/1342 1342 ± 0 5.908 5.326/6.372 5.98 ± 0.6727
ea25 1342 1342/1342 1342 ± 0 5.533 5.177/6.013 5.643 ± 0.5556
ea26 1342 1342/1342 1342 ± 0 5.838 5.556/6.573 6.063 ± 0.6828
ea27 1342 1342/1342 1342 ± 0.000007873 5.545 5.145/6.289 5.685 ± 0.6074
ea28 1342 1342/1342 1342 ± 0.0000228 5.634 5.42/6.409 5.886 ± 0.6863
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 ± 0.0000235 5.232 5.145/5.493 5.263 ± 0.2532
3 1342 1342/1342 1342 ± 0.00002419 5.039 4.657/5.296 4.978 ± 0.3689
4 1342 1342/1342 1342 ± 0.00002492 5.153 4.956/5.324 5.105 ± 0.3094
5 1342 1342/1342 1342 ± 0.0000235 5.252 5.016/5.37 5.225 ± 0.2962
6 1342 1342/1342 1342 ± 0.0000235 5.287 5.122/5.433 5.275 ± 0.2876
7 1342 1342/1342 1342 ± 0.0000235 5.271 5.172/5.435 5.288 ± 0.2611
8 1342 1342/1342 1342 ± 0.0000235 5.313 5.136/5.425 5.252 ± 0.2838
9 1342 1342/1342 1342 ± 0.0000235 5.586 5.372/5.76 5.522 ± 0.3217
10 1342 1342/1342 1342 ± 0.0000235 5.975 5.818/6.107 5.941 ± 0.3226
11 1342 1342/1342 1342 ± 0.0000235 6.25 6.039/6.303 6.15 ± 0.3358
12 1342 1342/1342 1342 ± 0.00002395 6.345 6.169/6.559 6.311 ± 0.3682
13 1342 1342/1342 1342 ± 0.0000235 6.79 6.662/7.045 6.752 ± 0.3876
14 1342 1342/1342 1342 ± 0.0000235 7.051 6.737/7.185 6.939 ± 0.4272
15 1342 1342/1342 1342 ± 0.0000235 6.72 6.449/6.839 6.603 ± 0.4201
16 1342 1342/1342 1342 ± 0.00002614 5.988 5.683/6.261 5.953 ± 0.3957
17 1342 1342/1342 1342 ± 0.00002752 5.985 5.656/6.269 5.951 ± 0.3954
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38611939.eb38656872.59108.99831386574_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-02-19 03:45:14.617
End
2025-02-19 04:16:30.911
Duration
0:31:16.294
Note, WebLog generation is not included in the time.

CASA logs for stage 8