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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 6.269 5.882/6.882 6.408 ± 0.6239
ea02 1342 1342/1342 1342 ± 0 6.355 5.969/7.095 6.501 ± 0.7092
ea03 1342 1342/1342 1342 ± 0 5.573 5.287/6.773 5.913 ± 0.767
ea04 1342 1342/1342 1342 ± 0.000006246 6.058 5.545/6.808 6.177 ± 0.6925
ea06 1342 1342/1342 1342 ± 0 6.567 5.704/6.793 6.341 ± 0.6777
ea07 1342 1342/1342 1342 ± 0 6.141 5.518/6.296 6.08 ± 0.5507
ea08 1342 1342/1342 1342 ± 0 6.342 5.897/7.148 6.575 ± 0.6556
ea09 1342 1342/1342 1342 ± 0 6.222 5.688/7.037 6.308 ± 0.7094
ea10 1342 1342/1342 1342 ± 0 6.222 5.676/6.922 6.325 ± 0.641
ea11 1342 1342/1342 1342 ± 0 6.503 5.731/7.177 6.538 ± 0.7719
ea12 1342 1342/1342 1342 ± 0 6.4 5.837/7.045 6.52 ± 0.7247
ea13 1342 1342/1342 1342 ± 0 6.318 5.988/6.914 6.522 ± 0.5809
ea14 1342 1342/1342 1342 ± 0 6.485 5.748/6.937 6.437 ± 0.7553
ea15 1342 1342/1342 1342 ± 0 6.34 5.63/6.832 6.296 ± 0.7505
ea16 1342 1342/1342 1342 ± 0 6.483 5.915/6.956 6.53 ± 0.7038
ea17 1342 1342/1342 1342 ± 0 6.779 6.331/7.784 7.007 ± 0.722
ea18 1342 1342/1342 1342 ± 0 5.073 4.703/5.461 5.09 ± 0.4694
ea19 1342 1342/1342 1342 ± 0 6.747 6.006/7.257 6.671 ± 0.7139
ea20 1342 1342/1342 1342 ± 0 6.355 5.919/7.253 6.501 ± 0.7066
ea21 1342 1342/1342 1342 ± 0 6.23 5.747/6.861 6.366 ± 0.6472
ea22 1342 1342/1342 1342 ± 0 6.673 5.785/7.108 6.528 ± 0.7363
ea23 1342 1342/1342 1342 ± 0 6.463 5.984/7.051 6.6 ± 0.7406
ea24 1342 1342/1342 1342 ± 0 6.352 5.514/6.857 6.189 ± 0.6786
ea25 1342 1342/1342 1342 ± 0 6.382 5.525/6.757 6.281 ± 0.7866
ea26 1342 1342/1342 1342 ± 0 6.546 5.914/7.286 6.558 ± 0.714
ea27 1342 1342/1342 1342 ± 0 6.115 5.728/7.174 6.399 ± 0.7381
ea28 1342 1342/1342 1342 ± 0 6.176 5.845/7.043 6.444 ± 0.7043
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 ± 0.00002315 5.734 5.609/5.898 5.697 ± 0.3149
4 1342 1342/1342 1342 ± 0.00002376 5.657 5.345/5.72 5.555 ± 0.4184
5 1342 1342/1342 1342 ± 0.00002315 5.795 5.536/6.013 5.751 ± 0.3581
6 1342 1342/1342 1342 ± 0.00002315 5.707 5.589/5.913 5.712 ± 0.3141
7 1342 1342/1342 1342 ± 0.00002315 5.767 5.579/5.947 5.758 ± 0.3041
8 1342 1342/1342 1342 ± 0.00002315 5.752 5.501/5.912 5.725 ± 0.326
9 1342 1342/1342 1342 ± 0.00002315 6.065 5.943/6.225 6.04 ± 0.3523
10 1342 1342/1342 1342 ± 0.00002315 6.574 6.351/6.744 6.513 ± 0.3623
11 1342 1342/1342 1342 ± 0.00002315 6.836 6.631/6.969 6.754 ± 0.374
12 1342 1342/1342 1342 ± 0.00002315 6.957 6.787/7.108 6.913 ± 0.4062
13 1342 1342/1342 1342 ± 0.00002315 7.474 7.224/7.624 7.409 ± 0.4223
14 1342 1342/1342 1342 ± 0.00002315 7.724 7.504/7.865 7.627 ± 0.4203
15 1342 1342/1342 1342 ± 0.00002315 7.292 7.101/7.471 7.244 ± 0.3958
16 1342 1342/1342 1342 ± 0.00002315 6.486 6.305/6.753 6.469 ± 0.4143
17 1342 1342/1342 1342 ± 0.00002315 6.457 6.24/6.69 6.415 ± 0.3942
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
Start time
2025-05-14 08:51:58.963
End
2025-05-14 09:21:53.657
Duration
0:29:54.694
Note, WebLog generation is not included in the time.

CASA logs for stage 8