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

Statwt Summary Plot

VLASS3.2.sb45489670.eb46132517.60459.18880607639_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 5.844 5.732/6.653 6.026 ± 0.7474
ea02 1342 1342/1342 1342 ± 0 6.223 5.628/6.535 6.169 ± 0.7335
ea03 1342 1342/1342 1342 ± 0 6.176 5.445/6.791 6.088 ± 0.7511
ea04 1342 1342/1342 1342 ± 0.00002235 5.455 5.092/6.045 5.496 ± 0.626
ea05 1342 1342/1342 1342 ± 0.00001955 5.683 5.462/6.632 5.868 ± 0.7104
ea06 1342 1342/1342 1342 ± 0 5.753 5.111/6.109 5.706 ± 0.6889
ea07 1342 1342/1342 1342 ± 0 5.954 5.11/6.227 5.77 ± 0.8034
ea08 1342 1342/1342 1342 ± 0 6.142 5.559/6.71 6.159 ± 0.7089
ea09 1342 1342/1342 1342 ± 0.000004532 5.607 5.202/6.447 5.712 ± 0.6647
ea10 1342 1342/1342 1342 ± 0 5.528 5.27/6.223 5.685 ± 0.613
ea11 1342 1342/1342 1342 ± 0.00004066 5.591 5.171/6.501 5.681 ± 0.8343
ea12 1342 1342/1342 1342 ± 0.00003724 5.508 5.339/6.337 5.713 ± 0.6798
ea14 1342 1342/1342 1342 ± 0 5.802 5.565/6.622 6.026 ± 0.6539
ea15 1342 1342/1342 1342 ± 0.00003084 5.854 5.685/6.798 6.094 ± 0.8206
ea16 1342 1342/1342 1342 ± 0 6.1 5.723/6.81 6.244 ± 0.717
ea17 1342 1342/1342 1342 ± 0.000001253 6.225 5.708/7.15 6.31 ± 0.7125
ea18 1342 1342/1342 1342 ± 0 6.588 5.928/7.155 6.444 ± 0.7615
ea19 1342 1342/1342 1342 ± 0.00003244 5.757 5.478/6.735 5.988 ± 0.7539
ea20 1342 1342/1342 1342 ± 0 6.262 6.043/7.175 6.439 ± 0.7673
ea22 1342 1342/1342 1342 ± 0 5.728 5.328/6.348 5.751 ± 0.6498
ea23 1342 1342/1342 1342 ± 0 5.746 5.539/6.454 6.022 ± 0.7121
ea24 1342 1342/1342 1342 ± 0 6.264 5.342/6.746 6.001 ± 0.7658
ea25 1342 1342/1342 1342 ± 0 6.553 5.666/6.994 6.384 ± 0.909
ea27 1342 1342/1342 1342 ± 0 5.688 5.493/6.582 5.911 ± 0.7215
ea28 1342 1342/1342 1342 ± 0 6.374 5.836/7.138 6.372 ± 0.7618
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 5.49 5.315/5.711 5.527 ± 0.275
3 1342 1342/1342 1342 ± 0.00002676 4.23 3.815/4.688 4.252 ± 0.5077
4 1342 1342/1342 1342 ± 0.00002429 4.894 4.711/5.002 4.859 ± 0.3048
5 1342 1342/1342 1342 ± 0.00002392 5.467 5.296/5.761 5.5 ± 0.2977
6 1342 1342/1342 1342 ± 0.00002392 5.456 5.27/5.693 5.468 ± 0.2563
7 1342 1342/1342 1342 ± 0.00002392 5.531 5.374/5.715 5.516 ± 0.2601
8 1342 1342/1342 1342 ± 0.00002392 5.497 5.247/5.678 5.469 ± 0.3059
9 1342 1342/1342 1342 ± 0.00002392 5.75 5.582/5.966 5.784 ± 0.2923
10 1342 1342/1342 1342 ± 0.00002392 6.275 6.067/6.369 6.251 ± 0.263
11 1342 1342/1342 1342 ± 0.00002392 6.516 6.209/6.64 6.482 ± 0.2896
12 1342 1342/1342 1342 ± 0.00002392 6.655 6.448/6.799 6.649 ± 0.3347
13 1342 1342/1342 1342 ± 0.00002392 7.114 6.889/7.361 7.112 ± 0.3486
14 1342 1342/1342 1342 ± 0.00002392 7.181 6.832/7.434 7.164 ± 0.4062
15 1342 1342/1342 1342 ± 0.00002392 6.906 6.655/7.168 6.899 ± 0.308
16 1342 1342/1342 1342 ± 0.00004755 5.862 5.649/6.26 5.957 ± 0.4215
17 1342 1342/1342 1342 ± 0.00004513 5.883 5.673/6.262 5.944 ± 0.3803
overwrite_modelcol
False
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-07-31 03:48:00.050
End
2025-07-31 04:34:34.358
Duration
0:46:34.309
Note, WebLog generation is not included in the time.

CASA logs for stage 8