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

Statwt Summary Plot

VLASS3.2.sb45483556.eb45792768.60431.950518831014_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 5.34 5.194/5.871 5.523 ± 0.4442
ea02 1342 1342/1342 1342 ± 0 6.217 5.76/6.495 6.284 ± 0.581
ea03 1342 1342/1342 1342 ± 0 6.28 5.496/6.755 6.229 ± 0.6831
ea04 1342 1342/1342 1342 ± 0.00002312 5.571 5.27/6.087 5.706 ± 0.5097
ea05 1342 1342/1342 1342 ± 0.00001945 5.69 5.445/6.569 5.935 ± 0.6286
ea06 1342 1342/1342 1342 ± 0.000008969 5.998 5.149/6.115 5.809 ± 0.6072
ea07 1342 1342/1342 1342 ± 0 6.032 5.336/6.335 5.982 ± 0.6778
ea08 1342 1342/1342 1342 ± 0 6.333 5.867/6.858 6.417 ± 0.6251
ea09 1342 1342/1342 1342 ± 0.000006332 5.658 5.212/6.436 5.745 ± 0.6336
ea10 1342 1342/1342 1342 ± 0 5.439 5.177/6.065 5.61 ± 0.5414
ea11 1342 1342/1342 1342 ± 0.00004191 5.381 5.047/6.22 5.628 ± 0.621
ea12 1342 1342/1342 1342 ± 0.00002533 5.55 5.409/6.31 5.836 ± 0.5533
ea13 1342 1342/1342 1342 ± 0 5.959 5.668/6.509 6.084 ± 0.6597
ea14 1342 1342/1342 1342 ± 0 5.975 5.667/6.623 6.182 ± 0.5591
ea15 1342 1342/1342 1342 ± 0.00003311 5.943 5.746/6.746 6.228 ± 0.6761
ea17 1342 1342/1342 1342 ± 0 6.225 5.822/7.057 6.364 ± 0.665
ea18 1342 1342/1342 1342 ± 0 6.534 5.928/7.146 6.486 ± 0.6576
ea19 1342 1342/1342 1342 ± 0.00002655 5.811 5.46/6.533 5.996 ± 0.5836
ea20 1342 1342/1342 1342 ± 0 5.929 5.702/6.786 6.174 ± 0.5936
ea21 1342 1342/1342 1342 ± 0 5.378 5.107/5.904 5.556 ± 0.4914
ea22 1342 1342/1342 1342 ± 0 6.367 5.957/6.949 6.422 ± 0.652
ea23 1342 1342/1342 1342 ± 0 5.756 5.516/6.376 6.046 ± 0.6279
ea24 1342 1342/1342 1342 ± 0 6.083 5.428/6.664 6.011 ± 0.6281
ea25 1342 1342/1342 1342 ± 0 6.515 5.736/6.933 6.513 ± 0.7723
ea28 1342 1342/1342 1342 ± 0 6.079 5.84/7.042 6.366 ± 0.6362
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 ± 0.00002393 5.525 5.358/5.721 5.531 ± 0.2919
4 1342 1342/1342 1342 ± 0.00003119 5.16 5/5.354 5.171 ± 0.2949
5 1342 1342/1342 1342 ± 0.00002393 5.442 5.296/5.732 5.506 ± 0.3049
6 1342 1342/1342 1342 ± 0.00002393 5.467 5.236/5.685 5.442 ± 0.2998
7 1342 1342/1342 1342 ± 0.00002393 5.494 5.298/5.733 5.501 ± 0.2686
8 1342 1342/1342 1342 ± 0.00002393 5.451 5.263/5.667 5.437 ± 0.2872
9 1342 1342/1342 1342 ± 0.00002393 5.693 5.577/5.963 5.74 ± 0.3137
10 1342 1342/1342 1342 ± 0.00002393 6.241 6.038/6.409 6.183 ± 0.2941
11 1342 1342/1342 1342 ± 0.00002393 6.428 6.174/6.599 6.39 ± 0.3238
12 1342 1342/1342 1342 ± 0.00002393 6.535 6.306/6.773 6.533 ± 0.3567
13 1342 1342/1342 1342 ± 0.00002393 7.069 6.683/7.246 6.982 ± 0.3788
14 1342 1342/1342 1342 ± 0.00002393 7.162 6.829/7.4 7.103 ± 0.4192
15 1342 1342/1342 1342 ± 0.00002393 6.913 6.562/7.178 6.841 ± 0.3836
16 1342 1342/1342 1342 ± 0.0000421 5.901 5.643/6.388 5.965 ± 0.4373
17 1342 1342/1342 1342 ± 0.00004484 5.892 5.573/6.198 5.876 ± 0.4123
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2025-07-19 11:43:28.616
End
2025-07-19 12:51:44.368
Duration
1:08:15.752
Note, WebLog generation is not included in the time.

CASA logs for stage 8