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

Statwt Summary Plot

VLASS2.1.sb38563510.eb38566235.59073.10379631944_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 5.168 5.015/5.966 5.402 ± 0.8372
ea02 1342 1342/1342 1342 ± 0.0000439 5.667 5.164/6.452 5.704 ± 0.9901
ea05 1342 1342/1342 1342 ± 0.00002874 5.252 4.867/6.284 5.492 ± 0.8473
ea06 1342 1342/1342 1342 ± 0.00003017 4.763 4.398/5.278 4.798 ± 0.637
ea07 1342 1342/1342 1342 ± 0.0000433 5.59 5.164/5.879 5.478 ± 0.8269
ea08 1342 1342/1342 1342 ± 0.00004422 6.539 5.269/6.906 5.932 ± 1.155
ea09 1342 1342/1342 1342 ± 0.00002148 5.189 4.775/5.803 5.147 ± 0.6962
ea10 1342 1342/1342 1342 ± 0.00004396 5.44 5.012/6.435 5.573 ± 0.9499
ea11 1342 1342/1342 1342 ± 0.00004299 5.435 5.066/6.354 5.603 ± 1.002
ea12 1342 1342/1342 1342 ± 0.00002697 5.342 4.956/6.277 5.508 ± 0.9492
ea13 1342 1342/1342 1342 ± 0.00001258 5.613 5.438/6.15 5.755 ± 0.8039
ea14 1342 1342/1342 1342 ± 0.00005045 6.387 5.65/6.964 6.023 ± 1.079
ea15 1342 1342/1342 1342 ± 0.00002494 4.948 4.828/6.022 5.387 ± 0.8991
ea16 1342 1342/1342 1342 ± 0 4.953 4.859/4.969 4.878 ± 0.2151
ea17 1342 1342/1342 1342 ± 0.00004181 5.515 5.307/6.884 5.783 ± 1.066
ea18 1342 1342/1342 1342 ± 0.00004275 4.855 4.645/5.632 4.992 ± 0.7247
ea19 1342 1342/1342 1342 ± 0.00002072 5.547 5.259/6.542 5.769 ± 0.8737
ea20 1342 1342/1342 1342 ± 0.00003642 5.676 5.537/6.856 5.895 ± 1.049
ea21 1342 1342/1342 1342 ± 0.00003841 5.435 5.217/6.215 5.583 ± 0.8748
ea22 1342 1342/1342 1342 ± 0.00004024 5.288 4.986/6.375 5.573 ± 0.912
ea23 1342 1342/1342 1342 ± 0.00004358 5.506 5.237/6.437 5.691 ± 1.025
ea25 1342 1342/1342 1342 ± 0 5.129 5.078/5.183 5.094 ± 0.1349
ea26 1342 1342/1342 1342 ± 0.00002776 5.487 5.297/6.353 5.653 ± 0.8558
ea27 1342 1342/1342 1342 ± 0.00004315 5.35 5.177/6.336 5.533 ± 0.9091
ea28 1342 1342/1342 1342 ± 0.00004379 5.54 5.232/6.439 5.696 ± 0.9775
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 ± 0.00002445 5.238 5.119/5.456 5.211 ± 0.3008
6 1342 1342/1342 1342 ± 0.00002445 5.145 4.984/5.278 5.112 ± 0.2614
7 1342 1342/1342 1342 ± 0.00002445 5.084 4.98/5.259 5.091 ± 0.2473
8 1342 1342/1342 1342 ± 0.00002445 5.14 4.891/5.264 5.078 ± 0.278
9 1342 1342/1342 1342 ± 0.0000255 5.378 5.057/5.443 5.277 ± 0.2839
10 1342 1342/1342 1342 ± 0.00002496 5.906 5.661/6.018 5.816 ± 0.3299
11 1342 1342/1342 1342 ± 0.00002496 6.152 5.956/6.288 6.076 ± 0.3474
12 1342 1342/1342 1342 ± 0.00002496 6.347 6.023/6.44 6.264 ± 0.3552
13 1342 1342/1342 1342 ± 0.00002496 6.725 6.483/6.929 6.667 ± 0.3594
14 1342 1342/1342 1342 ± 0.00002496 6.926 6.757/7.128 6.855 ± 0.4162
15 1342 1342/1342 1342 ± 0.00002514 6.594 6.428/6.783 6.54 ± 0.4485
16 1342 1342/1342 1342 ± 0.00005328 3.939 3.772/4.098 3.934 ± 0.2445
17 1342 1342/1342 1342 ± 0.00005826 4.024 3.879/4.203 4.055 ± 0.2419
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.1.sb38563510.eb38566235.59073.10379631944_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2025-04-12 19:43:22.176
End
2025-04-12 20:28:42.178
Duration
0:45:20.001
Note, WebLog generation is not included in the time.

CASA logs for stage 8