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 6.444 5.792/6.812 6.34 ± 0.7122
ea03 1342 1342/1342 1342 ± 0.00002462 5.778 5.3/6.632 5.914 ± 0.7794
ea04 1342 1342/1342 1342 ± 0 5.709 5.285/6.235 5.823 ± 0.6343
ea05 1342 1342/1342 1342 ± 0 5.932 5.721/6.936 6.237 ± 0.7705
ea06 1342 1342/1342 1342 ± 0 6.444 5.557/6.566 6.171 ± 0.6391
ea07 1342 1342/1342 1342 ± 0 6.099 5.408/6.261 5.992 ± 0.6324
ea08 1342 1342/1342 1342 ± 0.00001035 6.422 5.602/6.898 6.339 ± 0.7299
ea09 1342 1342/1342 1342 ± 0 6.015 5.491/6.725 6.192 ± 0.7639
ea10 1342 1342/1342 1342 ± 0 6.093 5.713/6.954 6.244 ± 0.6918
ea11 1342 1342/1342 1342 ± 0 6.509 5.489/6.875 6.272 ± 0.8348
ea12 1342 1342/1342 1342 ± 0 6.464 5.716/6.806 6.436 ± 0.7378
ea13 1342 1342/1342 1342 ± 0.000002833 5.921 5.838/6.45 6.113 ± 0.5158
ea14 1342 1342/1342 1342 ± 0 6.094 5.718/6.885 6.353 ± 0.6863
ea15 1342 1342/1342 1342 ± 0 5.318 4.73/5.567 5.233 ± 0.5547
ea16 1342 1342/1342 1342 ± 0 6.208 5.73/6.759 6.341 ± 0.7898
ea17 1342 1342/1342 1342 ± 0 6.517 5.928/7.543 6.71 ± 0.7987
ea18 1342 1342/1342 1342 ± 0 5.149 4.793/5.679 5.258 ± 0.5128
ea19 1342 1342/1342 1342 ± 0 6.324 6.038/7.253 6.564 ± 0.7466
ea20 1342 1342/1342 1342 ± 0 5.942 5.752/6.931 6.192 ± 0.7228
ea21 1342 1342/1342 1342 ± 0 5.751 5.471/6.604 5.982 ± 0.6344
ea22 1342 1342/1342 1342 ± 0 6.307 5.434/6.642 6.085 ± 0.7125
ea23 1342 1342/1342 1342 ± 0 6.161 5.784/6.887 6.377 ± 0.7652
ea24 1342 1342/1342 1342 ± 0 6.157 5.292/6.554 5.934 ± 0.6289
ea25 1342 1342/1342 1342 ± 0 6.291 5.729/6.747 6.375 ± 0.7681
ea26 1342 1342/1342 1342 ± 0 6.328 5.834/7.048 6.508 ± 0.8019
ea27 1342 1342/1342 1342 ± 0 5.977 5.61/7.089 6.252 ± 0.7591
ea28 1342 1342/1342 1342 ± 0 6.148 5.744/6.959 6.362 ± 0.7603
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 ± 0.00002305 5.651 5.396/5.846 5.622 ± 0.3281
3 1342 1342/1342 1342 ± 0.00002348 5.381 5.176/5.485 5.315 ± 0.3096
4 1342 1342/1342 1342 ± 0.00003276 5.266 5.02/5.474 5.275 ± 0.3286
5 1342 1342/1342 1342 ± 0.00002305 5.682 5.337/5.763 5.538 ± 0.3654
6 1342 1342/1342 1342 ± 0.00002305 5.602 5.317/5.744 5.522 ± 0.3025
7 1342 1342/1342 1342 ± 0.00002305 5.679 5.434/5.782 5.587 ± 0.3153
8 1342 1342/1342 1342 ± 0.00002305 5.578 5.347/5.821 5.549 ± 0.3571
9 1342 1342/1342 1342 ± 0.00002305 5.978 5.674/6.148 5.869 ± 0.3557
10 1342 1342/1342 1342 ± 0.00002305 6.465 6.19/6.561 6.347 ± 0.3782
11 1342 1342/1342 1342 ± 0.00002305 6.672 6.482/6.884 6.59 ± 0.3919
12 1342 1342/1342 1342 ± 0.00002305 6.832 6.559/6.955 6.747 ± 0.4421
13 1342 1342/1342 1342 ± 0.00002305 7.315 6.978/7.642 7.253 ± 0.4691
14 1342 1342/1342 1342 ± 0.00002305 7.599 7.255/7.791 7.465 ± 0.4647
15 1342 1342/1342 1342 ± 0.00002305 7.147 6.827/7.356 7.042 ± 0.4385
16 1342 1342/1342 1342 ± 0.00002546 6.366 5.953/6.561 6.299 ± 0.4139
17 1342 1342/1342 1342 ± 0.00002418 6.239 5.941/6.539 6.229 ± 0.4223
overwrite_modelcol
False
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2025-06-08 02:58:32.729
End
2025-06-08 04:16:23.359
Duration
1:17:50.631
Note, WebLog generation is not included in the time.

CASA logs for stage 8