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

Statwt Summary Plot

VLASS2.1.sb38461639.eb38575724.59076.48643795139_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 5.125 5.038/5.772 5.182 ± 0.8349
ea02 1342 1342/1342 1342 ± 0.00004136 5.787 5.226/6.516 5.622 ± 1.003
ea04 1342 1342/1342 1342 ± 0.00002973 5.334 4.839/5.866 5.103 ± 0.9836
ea05 1342 1342/1342 1342 ± 0.00001181 5.411 5.017/6.127 5.464 ± 0.7719
ea06 1342 1342/1342 1342 ± 0.00003663 5.02 4.764/5.576 4.938 ± 0.8873
ea07 1342 1342/1342 1342 ± 0.00004373 5.532 5.117/5.951 5.335 ± 0.8787
ea08 1342 1342/1342 1342 ± 0.00004271 5.92 5.393/6.646 5.807 ± 1.086
ea09 1342 1342/1342 1342 ± 0.00001096 5.568 5.019/6.111 5.47 ± 0.8155
ea10 1342 1342/1342 1342 ± 0.00004418 5.2 4.991/6.234 5.327 ± 0.932
ea11 1342 1342/1342 1342 ± 0.00004269 5.559 4.97/6.219 5.392 ± 0.95
ea12 1342 1342/1342 1342 ± 0.00003951 5.602 5.083/6.376 5.457 ± 1.07
ea13 1342 1342/1342 1342 ± 0.000009329 5.841 5.499/6.282 5.803 ± 0.8026
ea14 1342 1342/1342 1342 ± 0.00001443 5.496 5.106/6.417 5.506 ± 0.8996
ea15 1342 1342/1342 1342 ± 0.00002328 5.273 5.027/6.139 5.324 ± 1.096
ea16 1342 1342/1342 1342 ± 0.00001989 5.495 5.186/6.068 5.451 ± 0.8668
ea17 1342 1342/1342 1342 ± 0.00004513 5.69 5.273/6.38 5.658 ± 1.031
ea18 1342 1342/1342 1342 ± 0.00004336 4.885 4.452/5.372 4.798 ± 0.7559
ea19 1342 1342/1342 1342 ± 0.000001853 5.642 5.327/6.38 5.681 ± 0.7851
ea20 1342 1342/1342 1342 ± 0.00004252 5.773 5.503/6.699 5.773 ± 1.083
ea21 1342 1342/1342 1342 ± 0.00001559 5.332 5.157/6.091 5.355 ± 0.7818
ea22 1342 1342/1342 1342 ± 0.00002743 5.358 5.03/6.399 5.526 ± 0.9108
ea23 1342 1342/1342 1342 ± 0.00003688 5.435 5.125/6.215 5.461 ± 0.9407
ea25 1342 1342/1342 1342 ± 0.00004349 5.317 5.054/6.021 5.305 ± 0.8967
ea27 1342 1342/1342 1342 ± 0.00004512 5.243 4.945/6.259 5.309 ± 0.9223
ea28 1342 1342/1342 1342 ± 0.00004423 5.505 5.211/6.302 5.501 ± 0.9789
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 ± 0.00002395 5.35 5.171/5.604 5.372 ± 0.2582
5 1342 1342/1342 1342 ± 0.00002469 5.108 4.919/5.298 5.136 ± 0.3107
6 1342 1342/1342 1342 ± 0.00002395 5.159 5.024/5.279 5.144 ± 0.2554
7 1342 1342/1342 1342 ± 0.00002395 5.142 5.027/5.276 5.154 ± 0.2123
8 1342 1342/1342 1342 ± 0.00002395 5.186 4.955/5.329 5.146 ± 0.2436
9 1342 1342/1342 1342 ± 0.00002395 5.445 5.349/5.641 5.451 ± 0.2829
10 1342 1342/1342 1342 ± 0.00002395 5.914 5.782/6.006 5.865 ± 0.2929
11 1342 1342/1342 1342 ± 0.00002395 6.215 6.065/6.292 6.148 ± 0.2961
12 1342 1342/1342 1342 ± 0.00002395 6.378 6.186/6.466 6.331 ± 0.3052
13 1342 1342/1342 1342 ± 0.00002408 6.579 6.263/6.729 6.481 ± 0.3345
14 1342 1342/1342 1342 ± 0.00003442 6.029 5.655/6.481 6.087 ± 0.5201
15 1342 1342/1342 1342 ± 0.00002413 6.478 6.194/6.729 6.438 ± 0.4054
16 1342 1342/1342 1342 ± 0.00005726 3.412 3.221/3.685 3.456 ± 0.3656
17 1342 1342/1342 1342 ± 0.00006008 3.651 3.483/3.904 3.708 ± 0.3515
output_dir
 
vis
VLASS2.1.sb38461639.eb38575724.59076.48643795139_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2024-11-06 16:21:48.940
End
2024-11-06 17:08:38.062
Duration
0:46:49.121
Note, WebLog generation is not included in the time.

CASA logs for stage 8