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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.211 5.043/5.868 5.193 ± 0.9443
ea02 1342 1342/1342 1342 ± 0.00004587 5.674 5.205/6.26 5.471 ± 1.068
ea04 1342 1342/1342 1342 ± 0.00003027 5.147 4.931/5.94 5.172 ± 0.9127
ea05 1342 1342/1342 1342 ± 0.00001493 5.348 4.952/6.105 5.353 ± 0.854
ea06 1342 1342/1342 1342 ± 0.00003832 5.16 4.961/6.022 5.212 ± 0.9421
ea07 1342 1342/1342 1342 ± 0.00004393 5.399 5.167/5.958 5.277 ± 0.9609
ea09 1342 1342/1342 1342 ± 0.000002517 5.261 5.004/6.086 5.315 ± 0.8638
ea10 1342 1342/1342 1342 ± 0.00004558 4.807 4.595/5.632 4.834 ± 0.8479
ea11 1342 1342/1342 1342 ± 0.00004272 5.557 5.173/6.399 5.487 ± 1.047
ea12 1342 1342/1342 1342 ± 0.00004164 5.629 5.271/6.522 5.625 ± 1.142
ea13 1342 1342/1342 1342 ± 0.0000153 5.664 5.495/6.228 5.649 ± 0.847
ea14 1342 1342/1342 1342 ± 0.00001468 5.452 5.145/6.407 5.443 ± 1.009
ea15 1342 1342/1342 1342 ± 0.00001765 5.413 5.242/6.324 5.488 ± 1.102
ea16 1342 1342/1342 1342 ± 0.00002053 5.602 5.365/6.337 5.587 ± 1.068
ea17 1342 1342/1342 1342 ± 0.00004705 5.648 5.309/6.37 5.561 ± 1.085
ea18 1342 1342/1342 1342 ± 0.00004323 4.898 4.524/5.594 4.854 ± 0.8084
ea19 1342 1342/1342 1342 ± 0.00000178 5.553 5.297/6.361 5.586 ± 0.9064
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0.00001917 5.241 5.178/6.128 5.295 ± 0.9072
ea22 1342 1342/1342 1342 ± 0.00003329 5.303 5.042/6.197 5.339 ± 1
ea23 1342 1342/1342 1342 ± 0.00004263 5.32 5.272/6.191 5.414 ± 1.006
ea24 1342 1342/1342 1342 ± 0 5.009 4.794/6.003 5.228 ± 0.7465
ea25 1342 1342/1342 1342 ± 0.00004442 5.217 5.016/6.079 5.263 ± 0.9737
ea26 1342 1342/1342 1342 ± 0.00001782 5.614 5.418/6.442 5.69 ± 0.9629
ea27 1342 1342/1342 1342 ± 0.00004698 5.311 5.027/6.299 5.314 ± 1.029
ea28 1342 1342/1342 1342 ± 0.00004651 5.492 5.31/6.379 5.458 ± 1.062
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 ± 0.0000241 5.26 5.104/5.488 5.241 ± 0.2851
5 1342 1342/1342 1342 ± 0.00002445 5.152 5.011/5.329 5.172 ± 0.2723
6 1342 1342/1342 1342 ± 0.0000241 5.188 4.96/5.311 5.151 ± 0.2355
7 1342 1342/1342 1342 ± 0.0000241 5.21 5.03/5.294 5.18 ± 0.2236
8 1342 1342/1342 1342 ± 0.0000241 5.208 4.951/5.318 5.148 ± 0.2653
9 1342 1342/1342 1342 ± 0.0000241 5.485 5.177/5.594 5.423 ± 0.2614
10 1342 1342/1342 1342 ± 0.0000241 5.915 5.745/5.981 5.849 ± 0.2315
11 1342 1342/1342 1342 ± 0.0000241 6.198 6.035/6.353 6.157 ± 0.2355
12 1342 1342/1342 1342 ± 0.0000241 6.353 6.142/6.513 6.323 ± 0.2738
13 1342 1342/1342 1342 ± 0.00002437 6.369 6.19/6.593 6.365 ± 0.3406
14 1342 1342/1342 1342 ± 0.00004128 5.869 5.531/6.198 5.892 ± 0.5237
15 1342 1342/1342 1342 ± 0.00002416 6.599 6.272/6.755 6.496 ± 0.3784
16 1342 1342/1342 1342 ± 0.00005883 3.277 3.136/3.507 3.338 ± 0.295
17 1342 1342/1342 1342 ± 0.00006085 3.32 3.21/3.592 3.402 ± 0.272
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
datacolumn
residual_data
Start time
2025-01-16 03:05:16.472
End
2025-01-16 03:27:49.960
Duration
0:22:33.488
Note, WebLog generation is not included in the time.

CASA logs for stage 8