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

Statwt Summary Plot

VLASS3.2.sb45520569.eb45733624.60429.987892812496_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 5.793 5.357/6.324 5.863 ± 0.6335
ea02 1342 1342/1342 1342 ± 0 6.135 5.503/6.392 6.054 ± 0.667
ea03 1342 1342/1342 1342 ± 0 6.056 5.385/6.679 6.044 ± 0.748
ea04 1342 1342/1342 1342 ± 0 5.648 5.071/6.088 5.64 ± 0.604
ea05 1342 1342/1342 1342 ± 0 5.736 5.213/6.421 5.851 ± 0.6908
ea06 1342 1342/1342 1342 ± 0 5.922 5.022/6.093 5.666 ± 0.6834
ea07 1342 1342/1342 1342 ± 0 5.827 5.125/6.262 5.839 ± 0.7118
ea08 1342 1342/1342 1342 ± 0 6.327 5.527/6.728 6.238 ± 0.6732
ea09 1342 1342/1342 1342 ± 0 5.7 5.055/6.418 5.788 ± 0.725
ea10 1342 1342/1342 1342 ± 0 5.543 5.094/6.138 5.585 ± 0.6033
ea11 1342 1342/1342 1342 ± 0.00000216 5.404 5.103/6.191 5.61 ± 0.6621
ea12 1342 1342/1342 1342 ± 0 5.486 5.34/6.343 5.697 ± 0.6594
ea13 1342 1342/1342 1342 ± 0 5.852 5.43/6.292 5.865 ± 0.6964
ea14 1342 1342/1342 1342 ± 0 5.892 5.543/6.575 6.037 ± 0.6391
ea15 1342 1342/1342 1342 ± 0.000002762 4.832 4.413/5.181 4.84 ± 0.4532
ea16 1342 1342/1342 1342 ± 0 6.031 5.598/6.543 6.131 ± 0.7369
ea17 1342 1342/1342 1342 ± 0 6.065 5.679/6.735 6.243 ± 0.6994
ea18 1342 1342/1342 1342 ± 0 6.252 5.71/6.852 6.305 ± 0.7225
ea19 1342 1342/1342 1342 ± 0 5.818 5.417/6.488 5.936 ± 0.7047
ea20 1342 1342/1342 1342 ± 0 6.152 5.416/6.558 5.983 ± 0.6272
ea21 1342 1342/1342 1342 ± 0 5.499 5.1/5.986 5.565 ± 0.5515
ea22 1342 1342/1342 1342 ± 0 6.402 5.691/6.936 6.288 ± 0.7299
ea23 1342 1342/1342 1342 ± 0 5.937 5.47/6.44 6.033 ± 0.6957
ea24 1342 1342/1342 1342 ± 0 6.087 5.249/6.471 5.837 ± 0.6489
ea25 1342 1342/1342 1342 ± 0 6.488 5.636/6.864 6.399 ± 0.8205
ea27 1342 1342/1342 1342 ± 0.00000216 5.75 5.283/6.505 5.848 ± 0.6549
ea28 1342 1342/1342 1342 ± 0 6.336 5.647/6.933 6.305 ± 0.6995
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 ± 0.00002307 5.408 5.23/5.602 5.41 ± 0.2706
3 1342 1342/1342 1342 ± 0.00002365 4.992 4.795/5.152 4.988 ± 0.2975
4 1342 1342/1342 1342 ± 0.00003085 5.101 4.86/5.282 5.112 ± 0.3374
5 1342 1342/1342 1342 ± 0.00002307 5.243 5.031/5.54 5.255 ± 0.3399
6 1342 1342/1342 1342 ± 0.00002307 5.262 5.056/5.519 5.251 ± 0.3284
7 1342 1342/1342 1342 ± 0.00002307 5.421 5.211/5.513 5.359 ± 0.2828
8 1342 1342/1342 1342 ± 0.00002307 5.369 5.137/5.522 5.315 ± 0.3026
9 1342 1342/1342 1342 ± 0.00002307 5.664 5.485/5.905 5.638 ± 0.3304
10 1342 1342/1342 1342 ± 0.00002307 6.117 6.001/6.294 6.1 ± 0.318
11 1342 1342/1342 1342 ± 0.00002307 6.364 6.113/6.498 6.305 ± 0.3251
12 1342 1342/1342 1342 ± 0.00002307 6.475 6.259/6.679 6.463 ± 0.3816
13 1342 1342/1342 1342 ± 0.00002307 6.967 6.634/7.19 6.905 ± 0.398
14 1342 1342/1342 1342 ± 0.00002307 7.148 6.912/7.402 7.093 ± 0.4173
15 1342 1342/1342 1342 ± 0.00002307 6.806 6.569/7.073 6.758 ± 0.4296
16 1342 1342/1342 1342 ± 0.0000231 6.145 5.795/6.406 6.103 ± 0.4291
17 1342 1342/1342 1342 ± 0.00002307 6.181 5.861/6.321 6.06 ± 0.412
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
vis
VLASS3.2.sb45520569.eb45733624.60429.987892812496_split_split.ms
overwrite_modelcol
False
Start time
2025-07-18 15:18:21.505
End
2025-07-18 16:12:01.916
Duration
0:53:40.411
Note, WebLog generation is not included in the time.

CASA logs for stage 8