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

Statwt Summary Plot

VLASS2.2.sb40869292.eb40982614.59542.13818863426_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 6.08 5.828/6.765 6.192 ± 0.7907
ea03 1342 1342/1342 1342 ± 0.00001395 5.706 5.24/6.362 5.766 ± 0.702
ea04 1342 1342/1342 1342 ± 0 5.584 5.263/6.018 5.734 ± 0.5022
ea05 1342 1342/1342 1342 ± 0 5.952 5.59/6.569 6.088 ± 0.6557
ea06 1342 1342/1342 1342 ± 0 6.005 5.614/6.377 6.059 ± 0.5328
ea07 1342 1342/1342 1342 ± 0 5.93 5.428/6.076 5.912 ± 0.5118
ea08 1342 1342/1342 1342 ± 0.00001028 6.216 5.649/6.519 6.186 ± 0.6399
ea09 1342 1342/1342 1342 ± 0.000005602 5.968 5.489/6.677 6.084 ± 0.7146
ea10 1342 1342/1342 1342 ± 0 5.932 5.538/6.596 6.056 ± 0.5868
ea11 1342 1342/1342 1342 ± 0 6.145 5.452/6.588 6.113 ± 0.7048
ea12 1342 1342/1342 1342 ± 0.0000011 6.035 5.687/6.639 6.184 ± 0.7586
ea13 1342 1342/1342 1342 ± 0 6.003 5.886/6.357 6.133 ± 0.4652
ea14 1342 1342/1342 1342 ± 0 5.957 5.617/6.544 6.094 ± 0.6603
ea15 1342 1342/1342 1342 ± 0 5.495 5.126/5.89 5.548 ± 0.5823
ea16 1342 1342/1342 1342 ± 0 6.18 5.825/6.657 6.265 ± 0.6539
ea17 1342 1342/1342 1342 ± 0 6.561 6.259/7.334 6.778 ± 0.6311
ea18 1342 1342/1342 1342 ± 0 5.1 4.872/5.609 5.254 ± 0.4942
ea19 1342 1342/1342 1342 ± 0 6.259 5.919/6.89 6.442 ± 0.6419
ea20 1342 1342/1342 1342 ± 0 5.792 5.562/6.369 5.96 ± 0.6171
ea21 1342 1342/1342 1342 ± 0 5.635 5.455/6.233 5.851 ± 0.515
ea22 1342 1342/1342 1342 ± 0.00001073 5.875 5.492/6.421 5.974 ± 0.6268
ea23 1342 1342/1342 1342 ± 0 6.196 5.821/6.551 6.279 ± 0.6682
ea24 1342 1342/1342 1342 ± 0.000005317 6.013 5.296/6.405 5.874 ± 0.5851
ea25 1342 1342/1342 1342 ± 0 6.266 5.738/6.729 6.304 ± 0.7666
ea26 1342 1342/1342 1342 ± 0 6.327 5.888/6.979 6.469 ± 0.6385
ea27 1342 1342/1342 1342 ± 0 5.822 5.503/6.615 6.022 ± 0.6458
ea28 1342 1342/1342 1342 ± 0 6.033 5.683/6.644 6.193 ± 0.6521
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 5.705 5.478/5.922 5.687 ± 0.2827
3 1342 1342/1342 1342 ± 0.00002969 5.111 4.881/5.285 5.076 ± 0.445
4 1342 1342/1342 1342 ± 0.00002308 5.474 5.249/5.763 5.49 ± 0.3953
5 1342 1342/1342 1342 ± 0.00002308 5.632 5.386/5.836 5.628 ± 0.3375
6 1342 1342/1342 1342 ± 0.00002308 5.588 5.374/5.802 5.558 ± 0.2669
7 1342 1342/1342 1342 ± 0.00002308 5.596 5.393/5.773 5.582 ± 0.2744
8 1342 1342/1342 1342 ± 0.00002308 5.466 5.278/5.686 5.494 ± 0.3093
9 1342 1342/1342 1342 ± 0.00002308 5.791 5.578/5.989 5.759 ± 0.3073
10 1342 1342/1342 1342 ± 0.00002308 6.257 6.045/6.39 6.154 ± 0.3137
11 1342 1342/1342 1342 ± 0.00002308 6.406 6.281/6.568 6.368 ± 0.3062
12 1342 1342/1342 1342 ± 0.00002308 6.568 6.346/6.669 6.519 ± 0.3609
13 1342 1342/1342 1342 ± 0.00002308 7.009 6.75/7.319 7.009 ± 0.386
14 1342 1342/1342 1342 ± 0.00002308 7.236 7.051/7.509 7.225 ± 0.3913
15 1342 1342/1342 1342 ± 0.00002308 6.907 6.698/7.209 6.921 ± 0.3685
16 1342 1342/1342 1342 ± 0.00002308 6.295 5.939/6.588 6.289 ± 0.3947
17 1342 1342/1342 1342 ± 0.00002308 6.117 5.97/6.48 6.218 ± 0.3797
vis
VLASS2.2.sb40869292.eb40982614.59542.13818863426_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-04-23 17:21:15.449
End
2025-04-23 18:36:58.615
Duration
1:15:43.166
Note, WebLog generation is not included in the time.

CASA logs for stage 8