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

Statwt Summary Plot

VLASS2.1.sb38529434.eb38589592.59082.86913579861_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 5.334 5.125/5.789 5.499 ± 0.4799
ea02 1342 1342/1342 1342 ± 0.000003082 5.613 5.314/6.345 5.845 ± 0.6366
ea04 1342 1342/1342 1342 ± 0 5.218 4.851/5.689 5.334 ± 0.5024
ea05 1342 1342/1342 1342 ± 0 5.587 5.141/6.073 5.648 ± 0.5628
ea06 1342 1342/1342 1342 ± 0 5.29 5.148/5.395 5.299 ± 0.2245
ea07 1342 1342/1342 1342 ± 0 5.699 5.206/5.91 5.703 ± 0.532
ea08 1342 1342/1342 1342 ± 0.00000487 5.567 5.33/6.32 5.867 ± 0.6122
ea09 1342 1342/1342 1342 ± 0.000001541 5.41 5.167/6.155 5.63 ± 0.5977
ea10 1342 1342/1342 1342 ± 0 5.462 4.958/6.094 5.526 ± 0.5856
ea11 1342 1342/1342 1342 ± 0 5.604 5.105/6.057 5.603 ± 0.5639
ea12 1342 1342/1342 1342 ± 0 5.54 5.186/6.123 5.711 ± 0.5649
ea13 1342 1342/1342 1342 ± 0 5.576 5.504/6.051 5.807 ± 0.4509
ea14 1342 1342/1342 1342 ± 0 5.655 5.18/6.233 5.755 ± 0.6285
ea15 1342 1342/1342 1342 ± 0 5.34 4.961/5.999 5.506 ± 0.6242
ea16 1342 1342/1342 1342 ± 0 5.896 5.522/6.536 6.069 ± 0.6696
ea17 1342 1342/1342 1342 ± 0.00002591 5.733 5.372/6.239 5.893 ± 0.5935
ea18 1342 1342/1342 1342 ± 0 4.868 4.565/5.355 4.99 ± 0.4852
ea19 1342 1342/1342 1342 ± 0 5.8 5.36/6.476 5.974 ± 0.6141
ea20 1342 1342/1342 1342 ± 0 5.838 5.462/6.432 5.976 ± 0.5836
ea21 1342 1342/1342 1342 ± 0 5.566 5.242/6.086 5.682 ± 0.5302
ea22 1342 1342/1342 1342 ± 0.00000109 5.428 5.228/6.315 5.744 ± 0.6376
ea23 1342 1342/1342 1342 ± 0 5.808 5.341/6.2 5.881 ± 0.636
ea25 1342 1342/1342 1342 ± 0 5.407 5.036/5.865 5.511 ± 0.5375
ea26 1342 1342/1342 1342 ± 0 5.649 5.447/6.407 5.893 ± 0.5981
ea27 1342 1342/1342 1342 ± 0.00002302 5.42 5.169/6.163 5.599 ± 0.5733
ea28 1342 1342/1342 1342 ± 0.00002698 5.398 5.18/6.127 5.652 ± 0.6038
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 ± 0.00002394 5.25 5.161/5.466 5.265 ± 0.2161
3 1342 1342/1342 1342 ± 0.00002394 5.223 4.906/5.358 5.143 ± 0.2747
4 1342 1342/1342 1342 ± 0.00002399 5.18 4.974/5.355 5.157 ± 0.2587
5 1342 1342/1342 1342 ± 0.00002394 5.186 5.008/5.345 5.18 ± 0.2938
6 1342 1342/1342 1342 ± 0.00002394 5.137 5.043/5.375 5.159 ± 0.2546
7 1342 1342/1342 1342 ± 0.00002394 5.238 4.984/5.335 5.188 ± 0.2256
8 1342 1342/1342 1342 ± 0.00002394 5.208 5.012/5.346 5.168 ± 0.2246
9 1342 1342/1342 1342 ± 0.00002394 5.486 5.319/5.648 5.438 ± 0.2697
10 1342 1342/1342 1342 ± 0.00002349 5.839 5.707/5.993 5.809 ± 0.2918
11 1342 1342/1342 1342 ± 0.00002349 6.084 5.872/6.26 6.019 ± 0.3157
12 1342 1342/1342 1342 ± 0.00002349 6.207 5.965/6.441 6.155 ± 0.3371
13 1342 1342/1342 1342 ± 0.00002349 6.63 6.448/6.757 6.57 ± 0.3481
14 1342 1342/1342 1342 ± 0.00002349 6.809 6.609/7.058 6.748 ± 0.372
15 1342 1342/1342 1342 ± 0.00002349 6.419 6.281/6.7 6.396 ± 0.3742
16 1342 1342/1342 1342 ± 0.00003558 5.657 5.427/6.004 5.704 ± 0.3681
17 1342 1342/1342 1342 ± 0.00003077 5.687 5.464/5.983 5.708 ± 0.3384
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.1.sb38529434.eb38589592.59082.86913579861_split_split.ms
output_dir
 
datacolumn
residual_data
Start time
2024-04-13 01:40:18.427
End
2024-04-13 02:44:02.598
Duration
1:03:44.171
Note, WebLog generation is not included in the time.

CASA logs for stage 7