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

Statwt Summary Plot

VLASS2.2.sb40565889.eb41034562.59560.56402578704_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 5.725 5.514/6.392 5.672 ± 1.152
ea03 1342 1342/1342 1342 ± 0.00004999 5.102 4.804/6.157 5.11 ± 1.139
ea04 1342 1342/1342 1342 ± 0.000003836 5.403 5.248/6.293 5.518 ± 0.8461
ea05 1342 1342/1342 1342 ± 0.00003978 5.51 5.19/6.671 5.522 ± 1.206
ea06 1342 1342/1342 1342 ± 0.00003446 5.564 5.205/6.518 5.548 ± 1.126
ea08 1342 1342/1342 1342 ± 0.00004625 5.44 5.16/6.568 5.501 ± 1.06
ea09 1342 1342/1342 1342 ± 0.00004131 5.433 5.323/6.531 5.647 ± 0.9191
ea10 1342 1342/1342 1342 ± 0.00000919 5.485 5.319/6.569 5.561 ± 1.206
ea11 1342 1342/1342 1342 ± 0.00003084 5.624 4.877/6.692 5.526 ± 1.245
ea12 1342 1342/1342 1342 ± 0.00003304 5.555 5.264/6.666 5.642 ± 1.226
ea13 1342 1342/1342 1342 ± 0.00004734 5.627 5.321/6.299 5.388 ± 1.09
ea14 1342 1342/1342 1342 ± 0.00001727 5.68 5.294/6.652 5.618 ± 1.127
ea15 1342 1342/1342 1342 ± 0.00003547 5.168 4.772/6.243 5.174 ± 1.07
ea16 1342 1342/1342 1342 ± 0.000009392 5.611 4.945/6.573 5.687 ± 1.05
ea17 1342 1342/1342 1342 ± 0.00001348 6.227 5.685/7.151 6.16 ± 1.337
ea18 1342 1342/1342 1342 ± 0.00002769 4.614 4.283/5.345 4.623 ± 0.8365
ea19 1342 1342/1342 1342 ± 0.000007989 5.658 5.556/6.752 5.708 ± 1.142
ea20 1342 1342/1342 1342 ± 0.0000345 5.361 5.017/6.298 5.27 ± 1.066
ea21 1342 1342/1342 1342 ± 0.00001361 5.084 4.849/5.8 5.036 ± 0.9692
ea22 1342 1342/1342 1342 ± 0.0000214 5.482 5.02/6.536 5.456 ± 1.144
ea23 1342 1342/1342 1342 ± 0.00003513 5.743 5.327/6.749 5.697 ± 1.2
ea24 1342 1342/1342 1342 ± 0.00001011 5.2 5.003/6.188 5.5 ± 0.8453
ea25 1342 1342/1342 1342 ± 0.000001266 5.779 5.2/6.731 5.75 ± 1.136
ea26 1342 1342/1342 1342 ± 0.000005553 5.963 5.582/6.957 6.038 ± 0.9983
ea27 1342 1342/1342 1342 ± 0.00002899 5.533 4.954/6.637 5.529 ± 1.212
ea28 1342 1342/1342 1342 ± 0.00004168 5.636 5.27/6.792 5.629 ± 1.219
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 5.273 5.005/5.383 5.192 ± 0.2767
3 1342 1342/1342 1342 ± 0.00004285 4.369 4.141/4.636 4.386 ± 0.403
5 1342 1342/1342 1342 ± 0.00002394 5.271 5.05/5.544 5.251 ± 0.3443
6 1342 1342/1342 1342 ± 0.00002349 5.414 5.183/5.556 5.347 ± 0.2961
7 1342 1342/1342 1342 ± 0.00002349 5.523 5.3/5.615 5.458 ± 0.285
8 1342 1342/1342 1342 ± 0.00002349 5.364 5.161/5.625 5.396 ± 0.3341
9 1342 1342/1342 1342 ± 0.00002349 5.791 5.541/5.983 5.724 ± 0.3254
10 1342 1342/1342 1342 ± 0.00002349 6.372 6.008/6.45 6.235 ± 0.3405
11 1342 1342/1342 1342 ± 0.00002349 6.656 6.392/6.795 6.577 ± 0.3367
12 1342 1342/1342 1342 ± 0.00002349 6.807 6.519/6.98 6.749 ± 0.3907
13 1342 1342/1342 1342 ± 0.00002349 6.815 6.43/7.023 6.756 ± 0.4594
14 1342 1342/1342 1342 ± 0.00002871 5.966 5.515/6.425 6.025 ± 0.6703
15 1342 1342/1342 1342 ± 0.00002349 6.733 6.472/7.084 6.705 ± 0.4961
16 1342 1342/1342 1342 ± 0.00006099 3.352 3.129/3.674 3.446 ± 0.4302
17 1342 1342/1342 1342 ± 0.00006024 3.162 2.99/3.484 3.242 ± 0.3438
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.2.sb40565889.eb41034562.59560.56402578704_split_split.ms
Start time
2025-06-14 11:59:27.739
End
2025-06-14 12:48:40.521
Duration
0:49:12.783
Note, WebLog generation is not included in the time.

CASA logs for stage 8