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

Statwt Summary Plot

VLASS3.2.sb45620914.eb45877486.60435.49343803241_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 5.863 5.34/6.495 5.922 ± 0.7702
ea02 1342 1342/1342 1342 ± 0 5.975 5.363/6.32 5.926 ± 0.75
ea03 1342 1342/1342 1342 ± 0 6.052 5.332/6.682 6.019 ± 0.7861
ea04 1342 1342/1342 1342 ± 0 5.508 4.934/5.964 5.418 ± 0.7052
ea05 1342 1342/1342 1342 ± 0 5.804 5.192/6.608 5.81 ± 0.767
ea06 1342 1342/1342 1342 ± 0 5.886 4.91/6.05 5.618 ± 0.6842
ea07 1342 1342/1342 1342 ± 0 5.773 5.024/6.245 5.714 ± 0.8573
ea08 1342 1342/1342 1342 ± 0 6.268 5.509/6.727 6.197 ± 0.764
ea09 1342 1342/1342 1342 ± 0 5.595 4.983/6.325 5.691 ± 0.6633
ea10 1342 1342/1342 1342 ± 0 5.488 4.835/5.953 5.394 ± 0.7296
ea11 1342 1342/1342 1342 ± 0 5.323 5.004/6.142 5.477 ± 0.7333
ea13 1342 1342/1342 1342 ± 0 6.044 5.397/6.31 5.932 ± 0.5988
ea14 1342 1342/1342 1342 ± 0 5.844 5.302/6.399 5.792 ± 0.8665
ea15 1342 1342/1342 1342 ± 0 6.105 5.454/6.492 6.061 ± 0.7077
ea16 1342 1342/1342 1342 ± 0 6.142 5.455/6.63 6.035 ± 0.8168
ea17 1342 1342/1342 1342 ± 0 6.167 5.544/7.008 6.134 ± 0.9011
ea18 1342 1342/1342 1342 ± 0 6.287 5.729/6.921 6.331 ± 0.7767
ea19 1342 1342/1342 1342 ± 0 5.952 5.264/6.555 5.798 ± 0.7907
ea20 1342 1342/1342 1342 ± 0 5.833 5.388/6.313 5.881 ± 0.7036
ea21 1342 1342/1342 1342 ± 0 5.529 5.08/6.013 5.555 ± 0.5657
ea22 1342 1342/1342 1342 ± 0 6.086 5.516/6.616 6.086 ± 0.7801
ea23 1342 1342/1342 1342 ± 0 6.02 5.302/6.348 5.877 ± 0.8774
ea24 1342 1342/1342 1342 ± 0 6.003 5.17/6.426 5.785 ± 0.6353
ea25 1342 1342/1342 1342 ± 0 6.45 5.596/6.899 6.304 ± 0.9071
ea27 1342 1342/1342 1342 ± 0 5.753 5.059/6.413 5.644 ± 0.8295
ea28 1342 1342/1342 1342 ± 0 6.26 5.58/6.873 6.229 ± 0.6616
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 5.352 5.181/5.516 5.352 ± 0.2364
3 1342 1342/1342 1342 ± 0.00002999 4.111 3.816/4.602 4.214 ± 0.541
4 1342 1342/1342 1342 ± 0.00002416 4.996 4.765/5.16 4.964 ± 0.2348
5 1342 1342/1342 1342 ± 0.00002349 5.256 5.003/5.523 5.253 ± 0.3036
6 1342 1342/1342 1342 ± 0.00002349 5.174 4.881/5.334 5.137 ± 0.2901
7 1342 1342/1342 1342 ± 0.00002349 5.333 5.19/5.495 5.328 ± 0.2422
8 1342 1342/1342 1342 ± 0.00002349 5.297 5.088/5.457 5.295 ± 0.2614
9 1342 1342/1342 1342 ± 0.00002349 5.618 5.494/5.827 5.641 ± 0.2715
10 1342 1342/1342 1342 ± 0.00002349 6.147 6.002/6.248 6.109 ± 0.2465
11 1342 1342/1342 1342 ± 0.00002349 6.321 6.138/6.495 6.323 ± 0.2493
12 1342 1342/1342 1342 ± 0.00002349 6.459 6.283/6.683 6.48 ± 0.307
13 1342 1342/1342 1342 ± 0.00002349 6.92 6.619/7.144 6.908 ± 0.3241
14 1342 1342/1342 1342 ± 0.00002349 7.151 6.807/7.347 7.107 ± 0.3461
15 1342 1342/1342 1342 ± 0.00002349 6.748 6.538/7.109 6.801 ± 0.3618
16 1342 1342/1342 1342 ± 0.00002349 6.1 5.882/6.396 6.152 ± 0.3989
17 1342 1342/1342 1342 ± 0.00002349 6.153 5.942/6.377 6.138 ± 0.3407
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
vis
VLASS3.2.sb45620914.eb45877486.60435.49343803241_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-29 04:39:30.984
End
2025-07-29 05:34:37.620
Duration
0:55:06.635
Note, WebLog generation is not included in the time.

CASA logs for stage 8