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 5.336 5.249/6.121 5.583 ± 0.7269
ea02 1342 1342/1342 1342 ± 0.00004227 6.031 5.385/6.684 5.962 ± 0.8786
ea04 1342 1342/1342 1342 ± 0.00003924 5.382 5.037/5.987 5.459 ± 0.7645
ea05 1342 1342/1342 1342 ± 0.00002101 5.517 5.007/6.397 5.661 ± 0.8257
ea06 1342 1342/1342 1342 ± 0.00003887 5.081 4.872/5.903 5.291 ± 0.7218
ea07 1342 1342/1342 1342 ± 0.00003412 5.762 5.299/6.211 5.746 ± 0.757
ea09 1342 1342/1342 1342 ± 0.00003287 5.528 5.055/6.2 5.421 ± 0.8214
ea10 1342 1342/1342 1342 ± 0.00003432 5.231 4.84/5.875 5.265 ± 0.6647
ea11 1342 1342/1342 1342 ± 0.00003887 5.966 5.411/6.572 5.853 ± 0.8569
ea12 1342 1342/1342 1342 ± 0.00003983 5.744 5.461/6.654 5.869 ± 0.9163
ea13 1342 1342/1342 1342 ± 0.00002098 5.78 5.485/6.197 5.745 ± 0.8603
ea14 1342 1342/1342 1342 ± 0.00003413 5.683 5.372/6.616 5.85 ± 0.8807
ea15 1342 1342/1342 1342 ± 0.00003888 5.609 5.335/6.485 5.753 ± 0.9242
ea16 1342 1342/1342 1342 ± 0.00003074 5.78 5.375/6.773 5.934 ± 1.017
ea17 1342 1342/1342 1342 ± 0.00003754 5.891 5.535/6.7 5.972 ± 0.8899
ea18 1342 1342/1342 1342 ± 0.0000384 5.004 4.817/5.643 5.083 ± 0.637
ea19 1342 1342/1342 1342 ± 0.00001866 5.704 5.447/6.609 5.837 ± 0.9332
ea20 1342 1342/1342 1342 ± 0.00003892 6.056 5.968/6.951 6.22 ± 0.9666
ea21 1342 1342/1342 1342 ± 0.00003348 5.557 5.319/6.34 5.672 ± 0.8537
ea22 1342 1342/1342 1342 ± 0.0000406 5.587 5.142/6.472 5.656 ± 0.949
ea23 1342 1342/1342 1342 ± 0.00003077 5.86 5.473/6.62 5.967 ± 0.8194
ea24 1342 1342/1342 1342 ± 0.00002248 5.105 4.755/6.107 5.28 ± 0.8092
ea25 1342 1342/1342 1342 ± 0.00003752 5.651 5.312/6.355 5.696 ± 0.8019
ea26 1342 1342/1342 1342 ± 0.00002689 5.785 5.603/6.761 6.014 ± 0.927
ea27 1342 1342/1342 1342 ± 0.00003718 5.611 5.217/6.47 5.712 ± 0.8052
ea28 1342 1342/1342 1342 ± 0.00003962 5.756 5.467/6.688 5.936 ± 0.8611
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 5.379 5.234/5.587 5.364 ± 0.316
5 1342 1342/1342 1342 ± 0.00002713 5.515 5.234/5.677 5.463 ± 0.3579
6 1342 1342/1342 1342 ± 0.00002349 5.284 5.025/5.421 5.233 ± 0.2527
7 1342 1342/1342 1342 ± 0.00002349 5.378 5.166/5.473 5.316 ± 0.2707
8 1342 1342/1342 1342 ± 0.00002349 5.339 5.033/5.463 5.283 ± 0.3127
9 1342 1342/1342 1342 ± 0.00002349 5.64 5.251/5.757 5.554 ± 0.3035
10 1342 1342/1342 1342 ± 0.00002349 6.096 5.815/6.151 6.007 ± 0.2801
11 1342 1342/1342 1342 ± 0.00002349 6.337 6.009/6.499 6.277 ± 0.294
12 1342 1342/1342 1342 ± 0.00002349 6.465 6.203/6.683 6.461 ± 0.3421
13 1342 1342/1342 1342 ± 0.00002365 6.661 6.365/6.857 6.599 ± 0.4167
14 1342 1342/1342 1342 ± 0.00002349 7.038 6.575/7.216 6.904 ± 0.4318
15 1342 1342/1342 1342 ± 0.00003695 6.555 6.249/6.824 6.489 ± 0.4409
16 1342 1342/1342 1342 ± 0.00005107 3.901 3.804/4 3.904 ± 0.1704
17 1342 1342/1342 1342 ± 0.00004921 3.945 3.799/4.092 3.956 ± 0.2515
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
statwtmode
VLASS-SE
Start time
2025-03-11 16:35:34.557
End
2025-03-11 17:46:39.524
Duration
1:11:04.967
Note, WebLog generation is not included in the time.

CASA logs for stage 8