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

Statwt Summary Plot

VLASS2.1.sb39020510.eb39074114.59177.52519034722_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 5.324 4.994/6.172 5.532 ± 0.6903
ea02 1342 1342/1342 1342 ± 0.00004062 6.251 5.405/6.708 5.963 ± 0.891
ea03 1342 1342/1342 1342 ± 0.000006015 2.098 1.998/2.413 2.201 ± 0.3108
ea04 1342 1342/1342 1342 ± 0.00004098 5.419 5.207/6.252 5.663 ± 0.7204
ea05 1342 1342/1342 1342 ± 0.00002348 5.724 5.132/6.431 5.731 ± 0.8128
ea06 1342 1342/1342 1342 ± 0.00002153 3.518 3.362/4.026 3.548 ± 0.6504
ea07 1342 1342/1342 1342 ± 0.00004105 5.717 5.424/6.381 5.903 ± 0.8168
ea08 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea09 1342 1342/1342 1342 ± 0.00002899 5.542 5.235/6.567 5.797 ± 0.8296
ea10 1342 1342/1342 1342 ± 0.0000418 5.604 5.25/6.838 5.868 ± 0.893
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00004223 5.471 5.255/6.725 5.848 ± 0.8797
ea13 1342 1342/1342 1342 ± 0.00002036 6.042 5.441/6.425 5.957 ± 0.7715
ea14 1342 1342/1342 1342 ± 0.00003627 5.29 4.965/6.351 5.617 ± 0.7813
ea15 1342 1342/1342 1342 ± 0.00001729 2.989 2.872/3.652 3.108 ± 0.6443
ea16 1342 1342/1342 1342 ± 0.00003165 6.054 5.394/6.818 6.021 ± 0.9526
ea17 1342 1342/1342 1342 ± 0.00003266 5.91 5.422/6.904 6.059 ± 0.9218
ea18 1342 1342/1342 1342 ± 0.00004197 4.901 4.626/5.907 5.129 ± 0.6891
ea19 1342 1342/1342 1342 ± 0.00002204 5.571 5.358/6.493 5.863 ± 0.7988
ea20 1342 1342/1342 1342 ± 0.00003597 5.953 5.801/7.065 6.269 ± 0.8468
ea23 1342 1342/1342 1342 ± 0.00003855 5.662 5.284/6.666 5.942 ± 0.906
ea24 1342 1342/1342 1342 ± 0.00003784 5.234 4.989/6.361 5.542 ± 0.814
ea25 1342 1342/1342 1342 ± 0.00004231 5.75 5.224/6.62 5.837 ± 0.8519
ea26 1342 1342/1342 1342 ± 0.000005693 1.571 1.532/1.681 1.614 ± 0.169
ea27 1342 1342/1342 1342 ± 0.00004275 5.469 5.207/6.676 5.763 ± 0.8426
ea28 1342 1342/1342 1342 ± 0.00004195 5.348 5.243/6.368 5.65 ± 0.7639
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 ± 0.00002474 5.218 4.857/5.407 4.768 ± 1.12
3 1342 1342/1342 1342 ± 0.0000315 5.012 3.826/5.46 4.608 ± 1.214
4 1342 1342/1342 1342 ± 0.00004291 5.119 4.716/5.294 4.82 ± 0.7142
5 1342 1342/1342 1342 ± 0.00002541 5.64 5.18/5.925 5.198 ± 1.291
6 1342 1342/1342 1342 ± 0.00002469 5.265 5.045/5.412 4.82 ± 1.126
7 1342 1342/1342 1342 ± 0.00002469 5.343 5.109/5.479 4.918 ± 1.143
8 1342 1342/1342 1342 ± 0.00002469 5.261 5.124/5.449 4.873 ± 1.145
9 1342 1342/1342 1342 ± 0.00002469 5.262 5.035/5.636 4.921 ± 1.204
10 1342 1342/1342 1342 ± 0.00002469 6.057 5.815/6.241 5.531 ± 1.319
11 1342 1342/1342 1342 ± 0.00002469 6.34 6.228/6.494 5.796 ± 1.375
12 1342 1342/1342 1342 ± 0.00002469 6.552 6.33/6.705 5.988 ± 1.437
13 1342 1342/1342 1342 ± 0.00002469 6.945 6.654/7.128 6.357 ± 1.538
14 1342 1342/1342 1342 ± 0.00002469 7.037 6.668/7.252 6.446 ± 1.563
15 1342 1342/1342 1342 ± 0.00002492 6.553 6.201/6.835 6.002 ± 1.485
16 1342 1342/1342 1342 ± 0.00005866 4.544 4.273/4.768 4.159 ± 1.106
17 1342 1342/1342 1342 ± 0.00005848 4.402 4.164/4.573 4.056 ± 0.939
vis
VLASS2.1.sb39020510.eb39074114.59177.52519034722_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-01-11 06:47:52.151
End
2025-01-11 07:48:15.974
Duration
1:00:23.823
Note, WebLog generation is not included in the time.

CASA logs for stage 8