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 5.377 4.379/5.8 5.178 ± 0.762
ea02 1342 1342/1342 1342 ± 0.000005564 5.294 4.799/6.194 5.459 ± 0.8234
ea04 1342 1342/1342 1342 ± 0 5.098 4.314/5.66 5.064 ± 0.7088
ea05 1342 1342/1342 1342 ± 0.00001995 5.44 4.418/5.907 5.163 ± 0.7897
ea06 1342 1342/1342 1342 ± 0 4.542 3.901/4.939 4.441 ± 0.5318
ea07 1342 1342/1342 1342 ± 0.000005337 5.677 4.597/5.959 5.411 ± 0.8014
ea08 1342 1342/1342 1342 ± 0.00002308 5.288 4.794/6.266 5.519 ± 0.8447
ea09 1342 1342/1342 1342 ± 0 5.196 4.509/6.022 5.183 ± 0.7684
ea10 1342 1342/1342 1342 ± 0.00002604 5.594 4.517/6.235 5.354 ± 0.8966
ea11 1342 1342/1342 1342 ± 0.000001575 5.664 4.386/6.081 5.328 ± 0.8622
ea12 1342 1342/1342 1342 ± 0 5.476 4.562/6 5.381 ± 0.7857
ea13 1342 1342/1342 1342 ± 0 5.609 4.85/5.884 5.486 ± 0.6892
ea14 1342 1342/1342 1342 ± 0 5.567 4.356/5.961 5.325 ± 0.84
ea15 1342 1342/1342 1342 ± 0 5.257 4.304/5.832 5.137 ± 0.8345
ea16 1342 1342/1342 1342 ± 0 5.82 4.866/6.282 5.73 ± 0.8839
ea17 1342 1342/1342 1342 ± 0.00003773 5.616 4.465/6.349 5.456 ± 0.888
ea18 1342 1342/1342 1342 ± 0.000001114 4.848 4.051/5.334 4.746 ± 0.6793
ea19 1342 1342/1342 1342 ± 0 5.672 4.742/6.247 5.556 ± 0.8714
ea20 1342 1342/1342 1342 ± 0 5.838 4.706/6.437 5.616 ± 0.8524
ea21 1342 1342/1342 1342 ± 0 5.486 4.451/5.888 5.269 ± 0.7571
ea22 1342 1342/1342 1342 ± 0 5.152 4.512/5.928 5.25 ± 0.7399
ea23 1342 1342/1342 1342 ± 0.000001152 5.743 4.776/6.223 5.594 ± 0.8656
ea25 1342 1342/1342 1342 ± 0.00001861 5.464 4.401/5.873 5.187 ± 0.8078
ea26 1342 1342/1342 1342 ± 0 5.488 4.915/6.368 5.53 ± 0.8683
ea27 1342 1342/1342 1342 ± 0.00003761 5.373 4.427/6.052 5.204 ± 0.8321
ea28 1342 1342/1342 1342 ± 0.0000398 5.249 4.519/6.15 5.362 ± 0.8414
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 ± 0.00003255 4.254 4.165/4.436 4.256 ± 0.1948
3 1342 1342/1342 1342 ± 0.00003609 4.177 4.049/4.316 4.17 ± 0.2209
4 1342 1342/1342 1342 ± 0.00003258 5.196 4.531/5.461 5.002 ± 0.5433
5 1342 1342/1342 1342 ± 0.0000275 4.423 4.305/4.522 4.44 ± 0.2457
6 1342 1342/1342 1342 ± 0.00002671 4.493 4.344/4.698 4.489 ± 0.243
7 1342 1342/1342 1342 ± 0.00002645 4.649 4.491/4.772 4.612 ± 0.2305
8 1342 1342/1342 1342 ± 0.0000262 4.742 4.522/4.85 4.683 ± 0.2501
9 1342 1342/1342 1342 ± 0.00002588 5.022 4.825/5.193 4.979 ± 0.2866
10 1342 1342/1342 1342 ± 0.00002647 5.613 5.479/5.777 5.591 ± 0.2882
11 1342 1342/1342 1342 ± 0.00002561 5.848 5.7/6.051 5.811 ± 0.314
12 1342 1342/1342 1342 ± 0.00002506 6.017 5.888/6.223 5.984 ± 0.33
13 1342 1342/1342 1342 ± 0.0000245 6.43 6.284/6.645 6.415 ± 0.3644
14 1342 1342/1342 1342 ± 0.00002469 6.668 6.461/6.921 6.599 ± 0.4015
15 1342 1342/1342 1342 ± 0.00002475 6.35 6.145/6.493 6.261 ± 0.3951
16 1342 1342/1342 1342 ± 0.00003456 5.607 5.381/5.872 5.604 ± 0.3692
17 1342 1342/1342 1342 ± 0.00003263 5.593 5.333/5.843 5.602 ± 0.3511
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
Start time
2025-04-22 14:01:14.250
End
2025-04-22 15:07:46.782
Duration
1:06:32.532
Note, WebLog generation is not included in the time.

CASA logs for stage 8