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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.576 5.918/7.262 6.484 ± 0.784
ea03 1342 1342/1342 1342 ± 0.000001932 6.21 5.408/6.901 6.084 ± 0.7757
ea04 1342 1342/1342 1342 ± 0 5.948 5.476/6.386 5.996 ± 0.6378
ea05 1342 1342/1342 1342 ± 0 6.124 5.729/7.112 6.415 ± 0.7486
ea06 1342 1342/1342 1342 ± 0 6.292 5.712/6.656 6.275 ± 0.6029
ea07 1342 1342/1342 1342 ± 0 6.239 5.556/6.345 6.158 ± 0.6067
ea08 1342 1342/1342 1342 ± 0 6.755 5.75/6.958 6.514 ± 0.7319
ea09 1342 1342/1342 1342 ± 0 6.231 5.676/7.012 6.362 ± 0.7831
ea10 1342 1342/1342 1342 ± 0 6.202 5.818/7.061 6.411 ± 0.6732
ea11 1342 1342/1342 1342 ± 0.000003024 6.283 5.617/6.952 6.358 ± 0.7857
ea12 1342 1342/1342 1342 ± 0 6.485 5.852/6.915 6.499 ± 0.7
ea13 1342 1342/1342 1342 ± 0 6.08 6.005/6.562 6.243 ± 0.5094
ea14 1342 1342/1342 1342 ± 0 6.285 5.883/6.994 6.49 ± 0.6811
ea15 1342 1342/1342 1342 ± 0 5.237 4.9/5.728 5.342 ± 0.5229
ea16 1342 1342/1342 1342 ± 0 6.467 5.926/7.058 6.518 ± 0.7708
ea17 1342 1342/1342 1342 ± 0 6.654 6.089/7.513 6.82 ± 0.761
ea18 1342 1342/1342 1342 ± 0 5.281 4.92/5.683 5.301 ± 0.4976
ea19 1342 1342/1342 1342 ± 0 6.486 6.199/7.472 6.782 ± 0.741
ea20 1342 1342/1342 1342 ± 0 5.986 5.888/6.944 6.324 ± 0.6764
ea21 1342 1342/1342 1342 ± 0 5.963 5.709/6.753 6.176 ± 0.6182
ea22 1342 1342/1342 1342 ± 0 6.276 5.537/6.742 6.14 ± 0.6768
ea23 1342 1342/1342 1342 ± 0 6.084 5.93/7.033 6.49 ± 0.7478
ea24 1342 1342/1342 1342 ± 0 6.286 5.382/6.629 6.073 ± 0.6217
ea25 1342 1342/1342 1342 ± 0 6.626 5.836/6.917 6.551 ± 0.7822
ea26 1342 1342/1342 1342 ± 0 6.669 6.057/7.361 6.651 ± 0.8393
ea27 1342 1342/1342 1342 ± 0 6.261 5.804/7.145 6.424 ± 0.7486
ea28 1342 1342/1342 1342 ± 0 6.344 5.953/7.121 6.538 ± 0.7434
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 5.813 5.592/5.984 5.789 ± 0.3437
3 1342 1342/1342 1342 ± 0.0000236 5.491 5.232/5.614 5.432 ± 0.3097
4 1342 1342/1342 1342 ± 0.00003732 5.478 5.27/5.767 5.385 ± 0.4624
5 1342 1342/1342 1342 ± 0.00002308 5.84 5.47/5.983 5.699 ± 0.374
6 1342 1342/1342 1342 ± 0.00002308 5.748 5.47/5.93 5.695 ± 0.3103
7 1342 1342/1342 1342 ± 0.00002308 5.799 5.565/5.938 5.727 ± 0.3196
8 1342 1342/1342 1342 ± 0.00002308 5.712 5.471/5.917 5.681 ± 0.3557
9 1342 1342/1342 1342 ± 0.00002308 6.11 5.799/6.281 5.995 ± 0.3698
10 1342 1342/1342 1342 ± 0.00002308 6.569 6.288/6.711 6.462 ± 0.3743
11 1342 1342/1342 1342 ± 0.00002308 6.816 6.568/6.991 6.709 ± 0.3927
12 1342 1342/1342 1342 ± 0.00002308 6.93 6.634/7.076 6.857 ± 0.4458
13 1342 1342/1342 1342 ± 0.00002308 7.44 7.106/7.785 7.385 ± 0.479
14 1342 1342/1342 1342 ± 0.00002308 7.726 7.383/7.935 7.608 ± 0.472
15 1342 1342/1342 1342 ± 0.00002308 7.137 6.874/7.529 7.125 ± 0.4909
16 1342 1342/1342 1342 ± 0.00002309 6.316 6.136/6.786 6.398 ± 0.4719
17 1342 1342/1342 1342 ± 0.00002311 6.386 6.09/6.543 6.338 ± 0.4645
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
datacolumn
residual_data
Start time
2025-06-07 16:53:45.476
End
2025-06-07 18:06:11.281
Duration
1:12:25.805
Note, WebLog generation is not included in the time.

CASA logs for stage 8