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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.434 5.255/6.216 5.639 ± 0.8827
ea02 1342 1342/1342 1342 ± 0.00002997 5.602 5.184/6.348 5.587 ± 0.9492
ea03 1342 1342/1342 1342 ± 0.000004301 5.264 5.126/6.618 5.709 ± 0.8438
ea04 1342 1342/1342 1342 ± 0.00004599 5.08 4.77/5.913 5.179 ± 0.7785
ea05 1342 1342/1342 1342 ± 0.00004678 5.31 5.03/6.353 5.455 ± 0.9532
ea06 1342 1342/1342 1342 ± 0.00001361 4.843 4.713/5.879 5.262 ± 0.7887
ea07 1342 1342/1342 1342 ± 0.00004148 5.047 4.832/6.156 5.252 ± 1.06
ea08 1342 1342/1342 1342 ± 0.000002975 5.63 5.236/6.692 5.768 ± 0.9929
ea09 1342 1342/1342 1342 ± 0.0000447 4.938 4.636/5.863 5.105 ± 0.795
ea10 1342 1342/1342 1342 ± 0.00004841 4.966 4.547/6.034 5.145 ± 0.8631
ea11 1342 1342/1342 1342 ± 0.00004761 5.216 4.522/6.265 5.16 ± 1.117
ea12 1342 1342/1342 1342 ± 0.00004139 5.108 4.806/5.963 5.214 ± 0.7916
ea14 1342 1342/1342 1342 ± 0.00004561 5.423 5.192/6.447 5.625 ± 0.8678
ea15 1342 1342/1342 1342 ± 0.0000476 5.623 5.074/6.529 5.668 ± 0.9833
ea16 1342 1342/1342 1342 ± 0.00001407 5.618 5.189/6.582 5.725 ± 0.9393
ea17 1342 1342/1342 1342 ± 0.00004429 5.545 5.118/6.461 5.563 ± 1.099
ea18 1342 1342/1342 1342 ± 0.00000401 5.69 5.344/6.841 5.791 ± 1.004
ea19 1342 1342/1342 1342 ± 0.00003605 5.147 4.949/6.413 5.424 ± 0.8755
ea20 1342 1342/1342 1342 ± 0.00004259 5.745 5.368/6.824 5.778 ± 1.083
ea21 1342 1342/1342 1342 ± 0.000008415 4.973 4.855/5.877 5.253 ± 0.6935
ea22 1342 1342/1342 1342 ± 0.00002331 5.475 5.033/6.387 5.457 ± 1.007
ea23 1342 1342/1342 1342 ± 0.00004685 5.479 5.061/6.304 5.604 ± 0.8695
ea24 1342 1342/1342 1342 ± 0.00002112 5.146 5.034/6.475 5.565 ± 0.8426
ea25 1342 1342/1342 1342 ± 0.000009795 5.558 5.344/6.818 6.028 ± 0.9543
ea27 1342 1342/1342 1342 ± 0.00001628 5.133 4.986/6.364 5.49 ± 0.7809
ea28 1342 1342/1342 1342 ± 0.00003056 5.634 5.4/6.76 5.827 ± 0.9597
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 ± 0.00002349 5.147 4.963/5.268 5.14 ± 0.2636
3 1342 1342/1342 1342 ± 0.00003668 3.75 3.078/4.168 3.602 ± 0.7538
4 1342 1342/1342 1342 ± 0.00005477 3.745 3.609/3.899 3.758 ± 0.2105
5 1342 1342/1342 1342 ± 0.00002357 5.104 4.912/5.382 5.133 ± 0.2978
6 1342 1342/1342 1342 ± 0.00002349 5.124 4.882/5.384 5.13 ± 0.2674
7 1342 1342/1342 1342 ± 0.00002349 5.187 4.948/5.387 5.168 ± 0.2552
8 1342 1342/1342 1342 ± 0.00002349 5.189 4.994/5.435 5.198 ± 0.2906
9 1342 1342/1342 1342 ± 0.00002349 5.522 5.289/5.727 5.513 ± 0.3108
10 1342 1342/1342 1342 ± 0.00002349 6.103 5.828/6.225 6.051 ± 0.2894
11 1342 1342/1342 1342 ± 0.00002349 6.339 6.153/6.467 6.314 ± 0.2851
12 1342 1342/1342 1342 ± 0.00002349 6.52 6.197/6.628 6.472 ± 0.3261
13 1342 1342/1342 1342 ± 0.00002357 6.861 6.602/7.115 6.841 ± 0.3389
14 1342 1342/1342 1342 ± 0.00003752 6.431 6.188/6.661 6.455 ± 0.4478
15 1342 1342/1342 1342 ± 0.00002349 6.754 6.327/7.036 6.698 ± 0.3709
16 1342 1342/1342 1342 ± 0.00005953 4.436 4.288/4.689 4.531 ± 0.3868
17 1342 1342/1342 1342 ± 0.00006097 4.498 4.323/4.694 4.535 ± 0.3088
output_dir
 
statwtmode
VLASS-SE
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-22 10:44:28.484
End
2025-07-22 11:50:40.326
Duration
1:06:11.842
Note, WebLog generation is not included in the time.

CASA logs for stage 8