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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.57 5.404/6.209 5.698 ± 0.7147
ea02 1342 1342/1342 1342 ± 0.00001402 5.489 5.305/6.334 5.647 ± 0.723
ea03 1342 1342/1342 1342 ± 0 5.384 5.253/6.183 5.72 ± 0.6
ea04 1342 1342/1342 1342 ± 0.00003358 5.246 4.963/6.04 5.332 ± 0.6459
ea05 1342 1342/1342 1342 ± 0.00004066 5.28 5.068/6.269 5.482 ± 0.7517
ea06 1342 1342/1342 1342 ± 0 5.212 4.852/5.914 5.332 ± 0.5691
ea07 1342 1342/1342 1342 ± 0.00001902 5.162 4.967/6.159 5.462 ± 0.7224
ea08 1342 1342/1342 1342 ± 0.00000837 5.569 5.402/6.694 5.796 ± 0.8785
ea09 1342 1342/1342 1342 ± 0.00001749 5.105 4.877/5.645 5.279 ± 0.5748
ea10 1342 1342/1342 1342 ± 0.00003331 4.754 4.478/4.983 4.66 ± 0.4385
ea11 1342 1342/1342 1342 ± 0.00004468 5.567 4.934/6.361 5.563 ± 0.8495
ea12 1342 1342/1342 1342 ± 0.00002401 5.165 4.877/5.864 5.257 ± 0.6351
ea14 1342 1342/1342 1342 ± 0.00003643 5.409 5.242/6.301 5.592 ± 0.6996
ea15 1342 1342/1342 1342 ± 0.00004346 5.476 5.365/6.231 5.654 ± 0.7663
ea16 1342 1342/1342 1342 ± 0 5.829 5.317/6.407 5.846 ± 0.6939
ea17 1342 1342/1342 1342 ± 0.00002599 5.69 5.243/6.54 5.839 ± 0.7976
ea18 1342 1342/1342 1342 ± 0.00002718 5.723 5.461/6.661 5.816 ± 0.8949
ea19 1342 1342/1342 1342 ± 0.000007845 5.367 5.178/6.259 5.521 ± 0.6799
ea20 1342 1342/1342 1342 ± 0 5.893 5.697/6.809 6.197 ± 0.6589
ea21 1342 1342/1342 1342 ± 0 5.078 4.966/5.807 5.315 ± 0.5291
ea22 1342 1342/1342 1342 ± 0.00000262 5.534 5.119/6.332 5.569 ± 0.7587
ea23 1342 1342/1342 1342 ± 0.00003092 5.611 5.093/6.343 5.665 ± 0.7549
ea24 1342 1342/1342 1342 ± 0 5.485 5.157/6.316 5.715 ± 0.614
ea25 1342 1342/1342 1342 ± 0 5.937 5.484/6.697 6.132 ± 0.7345
ea27 1342 1342/1342 1342 ± 0 5.19 4.986/6.155 5.355 ± 0.6931
ea28 1342 1342/1342 1342 ± 0 5.832 5.697/6.744 6.156 ± 0.6581
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 ± 0.00002348 5.27 5.028/5.383 5.232 ± 0.2596
5 1342 1342/1342 1342 ± 0.00002349 5.178 4.855/5.433 5.156 ± 0.3488
6 1342 1342/1342 1342 ± 0.00002348 5.196 4.972/5.502 5.227 ± 0.2713
7 1342 1342/1342 1342 ± 0.00002348 5.314 5.144/5.511 5.305 ± 0.2694
8 1342 1342/1342 1342 ± 0.00002348 5.292 5.068/5.535 5.281 ± 0.3231
9 1342 1342/1342 1342 ± 0.00002348 5.584 5.395/5.84 5.575 ± 0.3314
10 1342 1342/1342 1342 ± 0.00002348 6.059 5.871/6.205 6.015 ± 0.3291
11 1342 1342/1342 1342 ± 0.00002348 6.333 6.159/6.54 6.294 ± 0.3491
12 1342 1342/1342 1342 ± 0.00002348 6.478 6.197/6.65 6.436 ± 0.4235
13 1342 1342/1342 1342 ± 0.00002348 6.704 6.503/7.006 6.715 ± 0.5316
14 1342 1342/1342 1342 ± 0.00002728 5.541 5.276/6.09 5.781 ± 0.6914
15 1342 1342/1342 1342 ± 0.00002348 6.292 6.03/6.668 6.272 ± 0.4774
16 1342 1342/1342 1342 ± 0.00005501 4.49 4.323/4.902 4.666 ± 0.5428
17 1342 1342/1342 1342 ± 0.00005612 4.376 4.187/4.63 4.489 ± 0.4391
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
output_dir
 
overwrite_modelcol
False
Start time
2025-07-27 06:48:27.672
End
2025-07-27 07:36:49.983
Duration
0:48:22.311
Note, WebLog generation is not included in the time.

CASA logs for stage 8