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 5.86 5.674/6.298 6.001 ± 0.4557
ea02 1342 1342/1342 1342 ± 0 5.874 5.497/6.452 6.01 ± 0.5206
ea03 1342 1342/1342 1342 ± 0.00001857 5.094 5.007/6.139 5.475 ± 0.572
ea04 1342 1342/1342 1342 ± 0.000002084 5.205 4.875/5.344 5.174 ± 0.3261
ea06 1342 1342/1342 1342 ± 0 5.81 5.382/6.136 5.824 ± 0.4613
ea07 1342 1342/1342 1342 ± 0 5.389 5.231/5.681 5.46 ± 0.3438
ea08 1342 1342/1342 1342 ± 0.00001116 6.037 5.803/6.534 6.182 ± 0.4918
ea09 1342 1342/1342 1342 ± 0 5.807 5.378/6.41 5.899 ± 0.5314
ea10 1342 1342/1342 1342 ± 0 5.571 5.327/6.157 5.722 ± 0.4388
ea11 1342 1342/1342 1342 ± 0 5.834 5.673/6.423 6.02 ± 0.5504
ea12 1342 1342/1342 1342 ± 0 5.843 5.549/6.369 5.955 ± 0.5161
ea13 1342 1342/1342 1342 ± 0.000004829 6.13 5.565/6.369 6.05 ± 0.5101
ea14 1342 1342/1342 1342 ± 0 5.727 5.415/6.265 5.867 ± 0.5033
ea15 1342 1342/1342 1342 ± 0 5.585 5.333/6.248 5.777 ± 0.5408
ea16 1342 1342/1342 1342 ± 0 5.76 5.512/6.1 5.826 ± 0.4455
ea17 1342 1342/1342 1342 ± 0 6.263 6.048/6.938 6.442 ± 0.4802
ea18 1342 1342/1342 1342 ± 0 4.578 4.385/4.837 4.624 ± 0.304
ea19 1342 1342/1342 1342 ± 0 5.834 5.714/6.571 6.111 ± 0.4937
ea20 1342 1342/1342 1342 ± 0 5.764 5.559/6.564 5.973 ± 0.5081
ea21 1342 1342/1342 1342 ± 0.00001153 5.648 5.416/6.144 5.807 ± 0.4374
ea22 1342 1342/1342 1342 ± 0 5.864 5.558/6.391 5.955 ± 0.4687
ea23 1342 1342/1342 1342 ± 0 5.82 5.644/6.433 6.063 ± 0.5677
ea24 1342 1342/1342 1342 ± 0 5.792 5.368/6.358 5.802 ± 0.5075
ea25 1342 1342/1342 1342 ± 0 5.459 5.096/5.619 5.503 ± 0.4409
ea26 1342 1342/1342 1342 ± 0 5.819 5.66/6.587 6.024 ± 0.4883
ea27 1342 1342/1342 1342 ± 0 5.648 5.407/6.409 5.865 ± 0.5305
ea28 1342 1342/1342 1342 ± 0.000002084 5.636 5.495/6.372 5.935 ± 0.5269
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 ± 0.00002308 5.69 5.568/5.91 5.649 ± 0.3426
4 1342 1342/1342 1342 ± 0.00002557 5.326 5.12/5.542 5.326 ± 0.4404
5 1342 1342/1342 1342 ± 0.00002308 5.526 5.324/5.811 5.517 ± 0.3844
6 1342 1342/1342 1342 ± 0.00002308 5.434 5.333/5.651 5.415 ± 0.3204
7 1342 1342/1342 1342 ± 0.00002308 5.414 5.271/5.624 5.393 ± 0.3165
8 1342 1342/1342 1342 ± 0.00002308 5.373 5.117/5.559 5.319 ± 0.3318
9 1342 1342/1342 1342 ± 0.00002308 5.618 5.508/5.763 5.567 ± 0.3619
10 1342 1342/1342 1342 ± 0.00002308 6.029 5.788/6.19 5.929 ± 0.3903
11 1342 1342/1342 1342 ± 0.00002308 6.243 6.083/6.334 6.106 ± 0.394
12 1342 1342/1342 1342 ± 0.00002308 6.36 6.104/6.423 6.208 ± 0.4327
13 1342 1342/1342 1342 ± 0.00002308 6.658 6.472/6.812 6.564 ± 0.4331
14 1342 1342/1342 1342 ± 0.00002308 6.81 6.538/6.955 6.717 ± 0.4233
15 1342 1342/1342 1342 ± 0.00002308 6.543 6.311/6.671 6.415 ± 0.4351
16 1342 1342/1342 1342 ± 0.00002739 5.648 5.401/5.879 5.651 ± 0.3771
17 1342 1342/1342 1342 ± 0.00002526 5.559 5.318/5.779 5.522 ± 0.334
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
Start time
2025-05-14 07:56:16.180
End
2025-05-14 08:57:46.149
Duration
1:01:29.969
Note, WebLog generation is not included in the time.

CASA logs for stage 8