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

Statwt Summary Plot

VLASS2.1.sb38521729.eb38627577.59093.001901145835_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 5.536 5.3/5.942 5.679 ± 0.4983
ea02 1342 1342/1342 1342 ± 0 5.847 5.43/6.454 5.983 ± 0.6209
ea04 1342 1342/1342 1342 ± 0 5.417 5.126/5.999 5.605 ± 0.5491
ea05 1342 1342/1342 1342 ± 0 5.715 5.247/6.159 5.759 ± 0.5826
ea06 1342 1342/1342 1342 ± 0 4.885 4.667/5.269 4.976 ± 0.3729
ea07 1342 1342/1342 1342 ± 0 5.977 5.553/6.228 5.986 ± 0.5302
ea08 1342 1342/1342 1342 ± 0 5.842 5.552/6.57 6.077 ± 0.6198
ea09 1342 1342/1342 1342 ± 0 5.727 5.23/6.224 5.754 ± 0.6067
ea10 1342 1342/1342 1342 ± 0 5.873 5.314/6.48 5.922 ± 0.5972
ea11 1342 1342/1342 1342 ± 0 5.778 5.095/6.27 5.763 ± 0.6466
ea12 1342 1342/1342 1342 ± 0 6.281 6.152/6.701 6.384 ± 0.3916
ea13 1342 1342/1342 1342 ± 0 6.059 5.815/6.356 6.161 ± 0.4734
ea14 1342 1342/1342 1342 ± 0 5.757 5.246/6.324 5.834 ± 0.638
ea15 1342 1342/1342 1342 ± 0 5.598 5.066/6.266 5.745 ± 0.709
ea16 1342 1342/1342 1342 ± 0 6.041 5.6/6.65 6.178 ± 0.6966
ea17 1342 1342/1342 1342 ± 0.000006557 5.926 5.561/6.602 6.128 ± 0.6219
ea18 1342 1342/1342 1342 ± 0 4.989 4.681/5.502 5.098 ± 0.4948
ea19 1342 1342/1342 1342 ± 0 5.867 5.483/6.493 6.029 ± 0.6187
ea20 1342 1342/1342 1342 ± 0 5.963 5.599/6.59 6.134 ± 0.6131
ea21 1342 1342/1342 1342 ± 0 5.63 5.3/6.172 5.764 ± 0.5315
ea22 1342 1342/1342 1342 ± 0 5.537 5.313/6.392 5.835 ± 0.6235
ea23 1342 1342/1342 1342 ± 0 6.223 5.562/6.639 6.148 ± 0.6511
ea25 1342 1342/1342 1342 ± 0 5.583 5.234/6.033 5.672 ± 0.5424
ea26 1342 1342/1342 1342 ± 0 6.272 5.726/6.841 6.254 ± 0.6003
ea27 1342 1342/1342 1342 ± 0.000009047 5.553 5.304/6.294 5.75 ± 0.5454
ea28 1342 1342/1342 1342 ± 0.000002943 5.611 5.389/6.322 5.848 ± 0.6148
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 ± 0.00002394 5.373 5.23/5.665 5.399 ± 0.2795
3 1342 1342/1342 1342 ± 0.0000241 5.25 5.066/5.518 5.276 ± 0.3071
4 1342 1342/1342 1342 ± 0.00002491 5.198 5.015/5.355 5.165 ± 0.2975
5 1342 1342/1342 1342 ± 0.00002394 5.415 5.177/5.582 5.376 ± 0.3439
6 1342 1342/1342 1342 ± 0.00002394 5.32 5.06/5.455 5.28 ± 0.311
7 1342 1342/1342 1342 ± 0.00002394 5.309 5.152/5.513 5.321 ± 0.2734
8 1342 1342/1342 1342 ± 0.00002394 5.384 5.123/5.474 5.3 ± 0.2889
9 1342 1342/1342 1342 ± 0.00002394 5.609 5.447/5.858 5.577 ± 0.3278
10 1342 1342/1342 1342 ± 0.0000235 6.032 5.813/6.198 5.982 ± 0.3262
11 1342 1342/1342 1342 ± 0.0000235 6.294 6.086/6.378 6.199 ± 0.3305
12 1342 1342/1342 1342 ± 0.0000235 6.387 6.228/6.568 6.36 ± 0.3545
13 1342 1342/1342 1342 ± 0.0000235 6.843 6.679/7.041 6.796 ± 0.3612
14 1342 1342/1342 1342 ± 0.0000235 7.033 6.781/7.263 6.973 ± 0.4133
15 1342 1342/1342 1342 ± 0.0000235 6.504 6.327/6.715 6.467 ± 0.383
16 1342 1342/1342 1342 ± 0.00002396 5.968 5.686/6.287 5.97 ± 0.3688
17 1342 1342/1342 1342 ± 0.00002446 5.969 5.76/6.288 5.982 ± 0.3414
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2024-06-05 18:59:53.418
End
2024-06-05 19:14:38.145
Duration
0:14:44.727
Note, WebLog generation is not included in the time.

CASA logs for stage 8