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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.16 5.013/5.777 5.198 ± 0.8282
ea02 1342 1342/1342 1342 ± 0.00004288 5.74 5.232/6.273 5.496 ± 1.057
ea04 1342 1342/1342 1342 ± 0.00002745 5.27 4.896/5.845 5.185 ± 0.8722
ea05 1342 1342/1342 1342 ± 0.0000125 5.357 4.963/6.048 5.332 ± 0.8279
ea06 1342 1342/1342 1342 ± 0.00003799 4.464 4.274/5.436 4.66 ± 0.863
ea07 1342 1342/1342 1342 ± 0.00003868 5.468 5.179/5.953 5.309 ± 0.9532
ea08 1342 1342/1342 1342 ± 0.00004367 5.783 5.337/6.545 5.634 ± 1.163
ea09 1342 1342/1342 1342 ± 0.00002164 5.383 5.058/6.05 5.315 ± 0.9014
ea10 1342 1342/1342 1342 ± 0.00004139 5.214 4.886/6.112 5.261 ± 0.8991
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00004255 5.327 5.062/6.342 5.402 ± 1.11
ea13 1342 1342/1342 1342 ± 0.00001627 5.73 5.397/6.217 5.625 ± 0.878
ea14 1342 1342/1342 1342 ± 0.00001682 5.413 5.114/6.354 5.402 ± 1.017
ea15 1342 1342/1342 1342 ± 0.00001569 5.264 5.011/6.095 5.308 ± 1.053
ea16 1342 1342/1342 1342 ± 0.00002123 5.523 5.238/6.094 5.391 ± 0.9916
ea17 1342 1342/1342 1342 ± 0.0000425 5.662 5.238/6.377 5.61 ± 1.008
ea18 1342 1342/1342 1342 ± 0.00003944 4.809 4.584/5.533 4.845 ± 0.7645
ea19 1342 1342/1342 1342 ± 0.000002929 5.567 5.296/6.286 5.568 ± 0.8638
ea20 1342 1342/1342 1342 ± 0.00004267 5.648 5.565/6.701 5.742 ± 1.15
ea21 1342 1342/1342 1342 ± 0.00001711 5.223 5.131/6.06 5.27 ± 0.8698
ea22 1342 1342/1342 1342 ± 0.00003922 5.336 5.068/6.209 5.349 ± 0.9965
ea23 1342 1342/1342 1342 ± 0.00003199 5.414 5.258/6.187 5.513 ± 0.9188
ea25 1342 1342/1342 1342 ± 0.00003878 5.345 5.023/5.992 5.281 ± 0.8661
ea27 1342 1342/1342 1342 ± 0.00004415 5.251 4.963/6.152 5.237 ± 0.9837
ea28 1342 1342/1342 1342 ± 0.00004569 5.395 5.217/6.287 5.372 ± 1.056
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 ± 0.00002442 5.25 5.02/5.403 5.192 ± 0.2972
5 1342 1342/1342 1342 ± 0.00002547 5.215 5.065/5.408 5.241 ± 0.321
6 1342 1342/1342 1342 ± 0.00002442 5.15 5.049/5.271 5.118 ± 0.2942
7 1342 1342/1342 1342 ± 0.00002442 5.192 5.03/5.296 5.122 ± 0.2792
8 1342 1342/1342 1342 ± 0.00002442 5.187 4.966/5.307 5.128 ± 0.2925
9 1342 1342/1342 1342 ± 0.00002442 5.422 5.273/5.622 5.384 ± 0.3297
10 1342 1342/1342 1342 ± 0.00002442 5.895 5.722/5.993 5.856 ± 0.2939
11 1342 1342/1342 1342 ± 0.00002442 6.163 5.99/6.282 6.102 ± 0.3086
12 1342 1342/1342 1342 ± 0.00002442 6.315 6.143/6.453 6.263 ± 0.3273
13 1342 1342/1342 1342 ± 0.00002464 6.35 6.136/6.548 6.327 ± 0.3331
14 1342 1342/1342 1342 ± 0.0000399 5.703 5.464/6.113 5.826 ± 0.5205
15 1342 1342/1342 1342 ± 0.00002444 6.439 6.184/6.627 6.383 ± 0.3954
16 1342 1342/1342 1342 ± 0.00005775 3.18 3.028/3.399 3.232 ± 0.2897
17 1342 1342/1342 1342 ± 0.00006041 3.32 3.2/3.493 3.369 ± 0.3875
overwrite_modelcol
False
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-11-02 14:00:12.932
End
2024-11-02 14:45:23.394
Duration
0:45:10.462
Note, WebLog generation is not included in the time.

CASA logs for stage 8