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

Statwt Summary Plot

VLASS2.2.sb40880919.eb41034540.59559.16303170139_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 6.444 5.96/6.857 6.459 ± 0.5883
ea03 1342 1342/1342 1342 ± 0 5.699 5.178/6.718 5.893 ± 0.7264
ea04 1342 1342/1342 1342 ± 0 6.262 5.746/6.783 6.333 ± 0.6837
ea05 1342 1342/1342 1342 ± 0 6.189 5.851/7.045 6.388 ± 0.7334
ea06 1342 1342/1342 1342 ± 0 6.463 5.86/6.835 6.373 ± 0.6308
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0 5.974 5.647/6.719 6.181 ± 0.611
ea09 1342 1342/1342 1342 ± 0 6.177 5.532/6.911 6.257 ± 0.6864
ea10 1342 1342/1342 1342 ± 0 7.101 6.804/7.352 7.043 ± 0.4322
ea11 1342 1342/1342 1342 ± 0 6.283 5.615/6.863 6.328 ± 0.727
ea12 1342 1342/1342 1342 ± 0 6.607 5.887/7.029 6.591 ± 0.7084
ea13 1342 1342/1342 1342 ± 0 5.856 5.478/6.239 5.925 ± 0.4206
ea14 1342 1342/1342 1342 ± 0 6.642 5.86/7.028 6.565 ± 0.7169
ea15 1342 1342/1342 1342 ± 0 6.039 5.447/6.604 6.079 ± 0.6669
ea16 1342 1342/1342 1342 ± 0 6.559 5.943/7.051 6.595 ± 0.7366
ea17 1342 1342/1342 1342 ± 0 6.9 6.429/7.875 7.099 ± 0.739
ea18 1342 1342/1342 1342 ± 0 5.255 4.855/5.682 5.304 ± 0.5402
ea19 1342 1342/1342 1342 ± 0 6.764 6.014/7.299 6.684 ± 0.7042
ea20 1342 1342/1342 1342 ± 0 5.948 5.623/6.739 6.121 ± 0.6122
ea21 1342 1342/1342 1342 ± 0 5.48 5.237/6.058 5.675 ± 0.4824
ea22 1342 1342/1342 1342 ± 0 6.299 5.551/6.662 6.171 ± 0.6177
ea23 1342 1342/1342 1342 ± 0 6.288 5.945/6.928 6.513 ± 0.6934
ea24 1342 1342/1342 1342 ± 0 6.1 5.46/6.628 6.035 ± 0.5811
ea25 1342 1342/1342 1342 ± 0 6.905 6.023/7.228 6.762 ± 0.8158
ea26 1342 1342/1342 1342 ± 0 6.76 6.138/7.494 6.802 ± 0.7206
ea27 1342 1342/1342 1342 ± 0 6.082 5.742/7.072 6.363 ± 0.6793
ea28 1342 1342/1342 1342 ± 0 6.272 5.952/7.139 6.539 ± 0.6745
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 ± 0.00002392 5.783 5.576/6.074 5.774 ± 0.3387
4 1342 1342/1342 1342 ± 0.00002392 5.453 5.247/5.741 5.499 ± 0.4354
5 1342 1342/1342 1342 ± 0.00002392 5.847 5.504/5.959 5.736 ± 0.3591
6 1342 1342/1342 1342 ± 0.00002392 5.728 5.494/5.873 5.659 ± 0.3071
7 1342 1342/1342 1342 ± 0.00002392 5.808 5.561/5.959 5.741 ± 0.3204
8 1342 1342/1342 1342 ± 0.00002392 5.681 5.445/5.954 5.698 ± 0.3728
9 1342 1342/1342 1342 ± 0.00002392 6.038 5.781/6.274 5.998 ± 0.3621
10 1342 1342/1342 1342 ± 0.00002348 6.593 6.261/6.728 6.475 ± 0.3596
11 1342 1342/1342 1342 ± 0.00002348 6.802 6.571/6.987 6.72 ± 0.3769
12 1342 1342/1342 1342 ± 0.00002348 6.888 6.666/7.076 6.854 ± 0.4383
13 1342 1342/1342 1342 ± 0.00002348 7.391 7.068/7.745 7.34 ± 0.4974
14 1342 1342/1342 1342 ± 0.00002348 7.564 7.273/7.89 7.519 ± 0.5059
15 1342 1342/1342 1342 ± 0.00002348 7.108 6.884/7.49 7.131 ± 0.4606
16 1342 1342/1342 1342 ± 0.00002348 6.396 6.072/6.808 6.408 ± 0.4954
17 1342 1342/1342 1342 ± 0.00002348 6.323 6.04/6.71 6.334 ± 0.4953
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms
Start time
2025-06-12 03:40:50.735
End
2025-06-12 04:39:45.207
Duration
0:58:54.472
Note, WebLog generation is not included in the time.

CASA logs for stage 8