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 5.937 5.72/6.477 6.122 ± 0.4929
ea02 1342 1342/1342 1342 ± 0 6.036 5.662/6.663 6.18 ± 0.5627
ea03 1342 1342/1342 1342 ± 0.000005818 5.219 5.113/6.322 5.605 ± 0.6205
ea04 1342 1342/1342 1342 ± 0 5.563 5.222/5.957 5.666 ± 0.4947
ea06 1342 1342/1342 1342 ± 0 6.016 5.475/6.341 5.967 ± 0.5107
ea07 1342 1342/1342 1342 ± 0 5.658 5.392/5.794 5.654 ± 0.389
ea08 1342 1342/1342 1342 ± 0.000001593 6.053 5.938/6.705 6.317 ± 0.531
ea09 1342 1342/1342 1342 ± 0 5.965 5.469/6.584 6.014 ± 0.578
ea10 1342 1342/1342 1342 ± 0 5.633 5.492/6.375 5.884 ± 0.5092
ea11 1342 1342/1342 1342 ± 0 6.062 5.668/6.633 6.2 ± 0.5999
ea12 1342 1342/1342 1342 ± 0 6.001 5.637/6.547 6.114 ± 0.5652
ea13 1342 1342/1342 1342 ± 0 6.206 5.671/6.503 6.175 ± 0.5215
ea14 1342 1342/1342 1342 ± 0 5.889 5.537/6.442 6.014 ± 0.5767
ea15 1342 1342/1342 1342 ± 0 5.778 5.435/6.376 5.918 ± 0.6017
ea16 1342 1342/1342 1342 ± 0 5.966 5.597/6.402 6.053 ± 0.5119
ea17 1342 1342/1342 1342 ± 0 6.501 6.168/7.114 6.598 ± 0.5416
ea18 1342 1342/1342 1342 ± 0 4.779 4.488/5.025 4.773 ± 0.3405
ea19 1342 1342/1342 1342 ± 0 6.01 5.794/6.721 6.247 ± 0.5467
ea20 1342 1342/1342 1342 ± 0 5.904 5.755/6.757 6.174 ± 0.5392
ea21 1342 1342/1342 1342 ± 0.00001035 5.793 5.549/6.37 6.005 ± 0.4871
ea22 1342 1342/1342 1342 ± 0 6.13 5.669/6.579 6.123 ± 0.5235
ea23 1342 1342/1342 1342 ± 0 5.899 5.737/6.629 6.23 ± 0.6056
ea24 1342 1342/1342 1342 ± 0 5.946 5.393/6.475 5.904 ± 0.5451
ea25 1342 1342/1342 1342 ± 0 5.917 5.325/6.048 5.855 ± 0.5812
ea26 1342 1342/1342 1342 ± 0 6.072 5.683/6.763 6.171 ± 0.5383
ea27 1342 1342/1342 1342 ± 0 5.824 5.603/6.653 6.038 ± 0.5771
ea28 1342 1342/1342 1342 ± 0 5.75 5.601/6.565 6.068 ± 0.5808
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 5.72 5.614/5.895 5.69 ± 0.3226
4 1342 1342/1342 1342 ± 0.00002588 5.389 5.076/5.592 5.33 ± 0.434
5 1342 1342/1342 1342 ± 0.00002307 5.653 5.429/5.887 5.612 ± 0.3731
6 1342 1342/1342 1342 ± 0.00002307 5.492 5.379/5.693 5.481 ± 0.3039
7 1342 1342/1342 1342 ± 0.00002307 5.553 5.393/5.732 5.53 ± 0.299
8 1342 1342/1342 1342 ± 0.00002307 5.484 5.268/5.666 5.459 ± 0.3192
9 1342 1342/1342 1342 ± 0.00002307 5.748 5.661/5.922 5.732 ± 0.3413
10 1342 1342/1342 1342 ± 0.00002307 6.199 5.968/6.352 6.118 ± 0.3621
11 1342 1342/1342 1342 ± 0.00002307 6.406 6.239/6.53 6.314 ± 0.365
12 1342 1342/1342 1342 ± 0.00002307 6.485 6.328/6.637 6.428 ± 0.3979
13 1342 1342/1342 1342 ± 0.00002307 6.864 6.669/7.032 6.819 ± 0.4102
14 1342 1342/1342 1342 ± 0.00002307 7.085 6.887/7.183 6.99 ± 0.3909
15 1342 1342/1342 1342 ± 0.00002307 6.752 6.522/6.881 6.661 ± 0.3894
16 1342 1342/1342 1342 ± 0.00002347 5.981 5.672/6.11 5.903 ± 0.363
17 1342 1342/1342 1342 ± 0.00002419 5.904 5.658/5.973 5.804 ± 0.3287
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-05-14 10:20:06.438
End
2025-05-14 11:40:16.229
Duration
1:20:09.790
Note, WebLog generation is not included in the time.

CASA logs for stage 8