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

Statwt Summary Plot

VLASS3.2.sb45661340.eb45880388.60435.82083380787_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 6.075 5.502/6.56 6.052 ± 0.6504
ea02 1342 1342/1342 1342 ± 0 6.253 5.59/6.473 6.165 ± 0.6149
ea03 1342 1342/1342 1342 ± 0 6.097 5.371/6.691 6.103 ± 0.7213
ea04 1342 1342/1342 1342 ± 0 5.659 5.195/6.041 5.664 ± 0.549
ea05 1342 1342/1342 1342 ± 0.00002059 5.774 5.331/6.647 5.946 ± 0.6751
ea06 1342 1342/1342 1342 ± 0 5.943 5.01/6.098 5.662 ± 0.6446
ea07 1342 1342/1342 1342 ± 0 6.018 5.23/6.304 5.881 ± 0.6581
ea08 1342 1342/1342 1342 ± 0 6.475 5.745/6.829 6.393 ± 0.6411
ea09 1342 1342/1342 1342 ± 0.00001807 5.691 5.176/6.436 5.791 ± 0.6303
ea10 1342 1342/1342 1342 ± 0 5.474 4.989/5.975 5.49 ± 0.5445
ea11 1342 1342/1342 1342 ± 0.00002355 5.335 5.102/6.186 5.59 ± 0.6759
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.552 5.358/6.157 5.768 ± 0.495
ea14 1342 1342/1342 1342 ± 0 5.855 5.445/6.366 6.003 ± 0.5277
ea15 1342 1342/1342 1342 ± 0.00001995 5.993 5.545/6.591 6.098 ± 0.7201
ea16 1342 1342/1342 1342 ± 0 6.174 5.627/6.711 6.215 ± 0.7122
ea17 1342 1342/1342 1342 ± 0 6.124 5.665/6.911 6.227 ± 0.6428
ea18 1342 1342/1342 1342 ± 0 6.28 5.722/6.79 6.217 ± 0.5949
ea19 1342 1342/1342 1342 ± 0 6.005 5.413/6.455 5.981 ± 0.5808
ea20 1342 1342/1342 1342 ± 0.000009559 5.783 5.53/6.639 6.007 ± 0.623
ea21 1342 1342/1342 1342 ± 0 5.443 5.086/5.91 5.559 ± 0.5052
ea22 1342 1342/1342 1342 ± 0 6.332 5.618/6.743 6.199 ± 0.6319
ea23 1342 1342/1342 1342 ± 0 6.16 5.433/6.296 6.022 ± 0.6472
ea24 1342 1342/1342 1342 ± 0 5.734 5.282/6.453 5.772 ± 0.6032
ea25 1342 1342/1342 1342 ± 0 6.431 5.608/6.836 6.364 ± 0.7677
ea27 1342 1342/1342 1342 ± 0 5.986 5.331/6.481 5.883 ± 0.6685
ea28 1342 1342/1342 1342 ± 0 5.941 5.624/6.766 6.162 ± 0.6
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 5.411 5.308/5.615 5.422 ± 0.2481
4 1342 1342/1342 1342 ± 0.00002457 5.258 5.012/5.549 5.292 ± 0.3344
5 1342 1342/1342 1342 ± 0.00002503 5.249 5.018/5.475 5.236 ± 0.3196
6 1342 1342/1342 1342 ± 0.00002348 5.352 5.112/5.508 5.332 ± 0.2732
7 1342 1342/1342 1342 ± 0.00002348 5.419 5.282/5.603 5.397 ± 0.2355
8 1342 1342/1342 1342 ± 0.00002348 5.384 5.141/5.542 5.34 ± 0.2534
9 1342 1342/1342 1342 ± 0.00002348 5.668 5.543/5.827 5.664 ± 0.2558
10 1342 1342/1342 1342 ± 0.00002348 6.133 5.997/6.251 6.111 ± 0.228
11 1342 1342/1342 1342 ± 0.00002348 6.339 6.164/6.472 6.324 ± 0.2452
12 1342 1342/1342 1342 ± 0.00002348 6.468 6.181/6.711 6.464 ± 0.2897
13 1342 1342/1342 1342 ± 0.00002348 6.877 6.651/7.129 6.884 ± 0.3239
14 1342 1342/1342 1342 ± 0.00002348 7.113 6.782/7.269 7.052 ± 0.3243
15 1342 1342/1342 1342 ± 0.00002348 6.782 6.481/7.068 6.762 ± 0.3574
16 1342 1342/1342 1342 ± 0.00003303 6.092 5.767/6.467 6.082 ± 0.4009
17 1342 1342/1342 1342 ± 0.00003077 6.072 5.787/6.327 6.042 ± 0.3601
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-25 08:43:40.589
End
2025-07-25 10:00:40.737
Duration
1:17:00.148
Note, WebLog generation is not included in the time.

CASA logs for stage 8