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

Statwt Summary Plot

VLASS3.2.sb45661340.eb45880388.60435.82083380787_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 6.281 5.648/6.685 6.245 ± 0.6402
ea02 1342 1342/1342 1342 ± 0 6.367 5.734/6.541 6.291 ± 0.6134
ea03 1342 1342/1342 1342 ± 0 6.167 5.432/6.793 6.186 ± 0.7303
ea04 1342 1342/1342 1342 ± 0 5.591 5.023/5.986 5.616 ± 0.5455
ea05 1342 1342/1342 1342 ± 0.000006593 6.072 5.451/6.721 6.07 ± 0.6677
ea06 1342 1342/1342 1342 ± 0 5.998 5.073/6.101 5.735 ± 0.6309
ea07 1342 1342/1342 1342 ± 0 6.11 5.301/6.328 5.958 ± 0.6839
ea08 1342 1342/1342 1342 ± 0 6.51 5.689/6.889 6.429 ± 0.6619
ea09 1342 1342/1342 1342 ± 0 5.895 5.306/6.573 5.971 ± 0.6388
ea10 1342 1342/1342 1342 ± 0 5.619 5.08/6.076 5.613 ± 0.5569
ea11 1342 1342/1342 1342 ± 0.000006664 5.567 5.264/6.358 5.771 ± 0.648
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.979 5.553/6.361 6.014 ± 0.5097
ea14 1342 1342/1342 1342 ± 0 6.044 5.628/6.606 6.203 ± 0.5939
ea15 1342 1342/1342 1342 ± 0.000007369 6.297 5.654/6.722 6.263 ± 0.7089
ea16 1342 1342/1342 1342 ± 0 6.314 5.73/6.874 6.374 ± 0.7308
ea17 1342 1342/1342 1342 ± 0 6.261 5.789/7.094 6.407 ± 0.6911
ea18 1342 1342/1342 1342 ± 0 6.38 5.798/6.959 6.322 ± 0.6353
ea19 1342 1342/1342 1342 ± 0 6.118 5.455/6.63 6.053 ± 0.6167
ea20 1342 1342/1342 1342 ± 0 6.135 5.738/6.901 6.301 ± 0.6081
ea21 1342 1342/1342 1342 ± 0 5.523 5.151/6.017 5.628 ± 0.5301
ea22 1342 1342/1342 1342 ± 0 6.367 5.65/6.758 6.236 ± 0.6398
ea23 1342 1342/1342 1342 ± 0 6.289 5.518/6.459 6.175 ± 0.6754
ea24 1342 1342/1342 1342 ± 0 6.196 5.273/6.684 6.011 ± 0.6628
ea25 1342 1342/1342 1342 ± 0 6.53 5.721/7.008 6.52 ± 0.7982
ea27 1342 1342/1342 1342 ± 0 6.107 5.396/6.59 6.021 ± 0.659
ea28 1342 1342/1342 1342 ± 0 6.486 5.793/7.05 6.469 ± 0.6489
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 5.521 5.346/5.714 5.513 ± 0.2582
4 1342 1342/1342 1342 ± 0.00002653 5.323 5.132/5.623 5.381 ± 0.3197
5 1342 1342/1342 1342 ± 0.00002349 5.464 5.191/5.683 5.476 ± 0.2992
6 1342 1342/1342 1342 ± 0.00002349 5.478 5.134/5.632 5.427 ± 0.2952
7 1342 1342/1342 1342 ± 0.00002349 5.518 5.392/5.722 5.501 ± 0.2531
8 1342 1342/1342 1342 ± 0.00002349 5.479 5.269/5.652 5.438 ± 0.2782
9 1342 1342/1342 1342 ± 0.00002349 5.761 5.653/5.982 5.768 ± 0.2761
10 1342 1342/1342 1342 ± 0.00002349 6.282 6.111/6.362 6.219 ± 0.2486
11 1342 1342/1342 1342 ± 0.00002349 6.523 6.31/6.621 6.452 ± 0.2632
12 1342 1342/1342 1342 ± 0.00002349 6.645 6.328/6.821 6.6 ± 0.3199
13 1342 1342/1342 1342 ± 0.00002349 7.056 6.889/7.301 7.043 ± 0.3449
14 1342 1342/1342 1342 ± 0.00002349 7.334 7.04/7.463 7.248 ± 0.3543
15 1342 1342/1342 1342 ± 0.00002349 6.944 6.704/7.23 6.917 ± 0.3699
16 1342 1342/1342 1342 ± 0.00002427 6.257 6.081/6.553 6.278 ± 0.3639
17 1342 1342/1342 1342 ± 0.00002429 6.308 6.08/6.502 6.242 ± 0.3256
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-25 09:29:40.988
End
2025-07-25 10:29:14.063
Duration
0:59:33.075
Note, WebLog generation is not included in the time.

CASA logs for stage 8