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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.632 5.368/6.135 5.778 ± 0.5535
ea02 1342 1342/1342 1342 ± 0 5.886 5.468/6.55 6.083 ± 0.6753
ea04 1342 1342/1342 1342 ± 0 5.464 5.167/6.073 5.671 ± 0.5566
ea05 1342 1342/1342 1342 ± 0 5.733 5.281/6.198 5.779 ± 0.6108
ea06 1342 1342/1342 1342 ± 0 4.789 4.588/5.284 4.92 ± 0.4041
ea07 1342 1342/1342 1342 ± 0 6.034 5.549/6.356 6.082 ± 0.6028
ea08 1342 1342/1342 1342 ± 0.00001518 5.933 5.604/6.712 6.189 ± 0.6953
ea09 1342 1342/1342 1342 ± 0 5.666 5.238/6.317 5.79 ± 0.685
ea10 1342 1342/1342 1342 ± 0 5.92 5.441/6.7 6.04 ± 0.696
ea11 1342 1342/1342 1342 ± 0 5.906 5.242/6.406 5.896 ± 0.6616
ea12 1342 1342/1342 1342 ± 0 5.773 5.414/6.415 5.989 ± 0.6528
ea13 1342 1342/1342 1342 ± 0 6.138 5.798/6.408 6.199 ± 0.5407
ea14 1342 1342/1342 1342 ± 0 5.831 5.278/6.386 5.903 ± 0.6692
ea15 1342 1342/1342 1342 ± 0 5.627 5.146/6.251 5.769 ± 0.7073
ea16 1342 1342/1342 1342 ± 0 6.286 5.716/6.831 6.367 ± 0.7354
ea17 1342 1342/1342 1342 ± 0.000007469 6.117 5.688/6.862 6.245 ± 0.6504
ea18 1342 1342/1342 1342 ± 0 5.071 4.782/5.59 5.212 ± 0.5266
ea19 1342 1342/1342 1342 ± 0 5.783 5.554/6.745 6.182 ± 0.684
ea20 1342 1342/1342 1342 ± 0 6.161 5.753/6.771 6.288 ± 0.6587
ea21 1342 1342/1342 1342 ± 0 5.76 5.45/6.333 5.915 ± 0.5845
ea22 1342 1342/1342 1342 ± 0 5.728 5.242/6.418 5.819 ± 0.6636
ea23 1342 1342/1342 1342 ± 0 6.184 5.609/6.699 6.224 ± 0.6946
ea25 1342 1342/1342 1342 ± 0 5.669 5.349/6.198 5.809 ± 0.5944
ea26 1342 1342/1342 1342 ± 0 6.053 5.606/6.713 6.206 ± 0.7067
ea27 1342 1342/1342 1342 ± 0.000009875 5.649 5.451/6.513 5.887 ± 0.6227
ea28 1342 1342/1342 1342 ± 0.00002982 5.71 5.477/6.511 5.965 ± 0.6874
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 5.412 5.208/5.576 5.386 ± 0.2685
3 1342 1342/1342 1342 ± 0.00002553 5.263 5.029/5.497 5.229 ± 0.3029
4 1342 1342/1342 1342 ± 0.00002394 5.303 4.998/5.472 5.215 ± 0.3177
5 1342 1342/1342 1342 ± 0.00002349 5.475 5.197/5.665 5.43 ± 0.3355
6 1342 1342/1342 1342 ± 0.00002349 5.411 5.157/5.54 5.355 ± 0.3047
7 1342 1342/1342 1342 ± 0.00002349 5.442 5.263/5.606 5.414 ± 0.2914
8 1342 1342/1342 1342 ± 0.00002349 5.442 5.238/5.551 5.365 ± 0.3114
9 1342 1342/1342 1342 ± 0.00002349 5.703 5.454/5.964 5.655 ± 0.3659
10 1342 1342/1342 1342 ± 0.00002373 6.125 5.928/6.323 6.085 ± 0.336
11 1342 1342/1342 1342 ± 0.00002373 6.372 6.174/6.5 6.3 ± 0.3485
12 1342 1342/1342 1342 ± 0.00002349 6.479 6.389/6.705 6.475 ± 0.373
13 1342 1342/1342 1342 ± 0.00002349 6.986 6.87/7.165 6.948 ± 0.4
14 1342 1342/1342 1342 ± 0.00002349 7.251 7.001/7.432 7.147 ± 0.4445
15 1342 1342/1342 1342 ± 0.00002349 6.833 6.542/6.997 6.703 ± 0.4423
16 1342 1342/1342 1342 ± 0.0000316 5.994 5.873/6.322 6.03 ± 0.3733
17 1342 1342/1342 1342 ± 0.00002853 5.985 5.816/6.248 6.021 ± 0.3629
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-01-07 09:33:12.366
End
2025-01-07 10:39:08.192
Duration
1:05:55.826
Note, WebLog generation is not included in the time.

CASA logs for stage 8