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 5.249 5.177/5.823 5.279 ± 0.8135
ea02 1342 1342/1342 1342 ± 0.00004241 5.901 5.337/6.593 5.722 ± 0.9885
ea04 1342 1342/1342 1342 ± 0.00002946 5.238 4.99/5.97 5.218 ± 0.9526
ea05 1342 1342/1342 1342 ± 0.00001042 5.526 5.134/6.128 5.534 ± 0.7571
ea06 1342 1342/1342 1342 ± 0.00003515 4.884 4.706/5.353 4.797 ± 0.7696
ea07 1342 1342/1342 1342 ± 0.00004371 5.641 5.298/6.051 5.465 ± 0.8779
ea08 1342 1342/1342 1342 ± 0.00004229 5.874 5.569/6.697 5.889 ± 1.069
ea09 1342 1342/1342 1342 ± 0.000014 5.61 5.166/6.194 5.532 ± 0.8199
ea10 1342 1342/1342 1342 ± 0.00004421 5.34 5.037/6.242 5.387 ± 0.911
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003913 5.532 5.237/6.465 5.554 ± 1.027
ea13 1342 1342/1342 1342 ± 0.00001257 5.912 5.632/6.371 5.892 ± 0.8123
ea14 1342 1342/1342 1342 ± 0.00001393 5.65 5.261/6.502 5.625 ± 0.8818
ea15 1342 1342/1342 1342 ± 0.00002336 5.319 5.124/6.21 5.408 ± 1.073
ea16 1342 1342/1342 1342 ± 0.0000202 5.688 5.358/6.25 5.601 ± 0.8829
ea17 1342 1342/1342 1342 ± 0.00004466 5.776 5.419/6.49 5.739 ± 1.011
ea18 1342 1342/1342 1342 ± 0.0000426 4.871 4.6/5.433 4.845 ± 0.7455
ea19 1342 1342/1342 1342 ± 0 5.724 5.46/6.461 5.787 ± 0.7781
ea20 1342 1342/1342 1342 ± 0.00004187 5.827 5.704/6.769 5.872 ± 1.07
ea21 1342 1342/1342 1342 ± 0.00001504 5.5 5.288/6.133 5.465 ± 0.8028
ea22 1342 1342/1342 1342 ± 0.00002834 5.45 5.146/6.341 5.537 ± 0.8831
ea23 1342 1342/1342 1342 ± 0.00003844 5.496 5.379/6.349 5.585 ± 0.9409
ea25 1342 1342/1342 1342 ± 0.00004278 5.552 5.191/6.121 5.433 ± 0.8979
ea27 1342 1342/1342 1342 ± 0.00004485 5.333 5.054/6.278 5.379 ± 0.8973
ea28 1342 1342/1342 1342 ± 0.00004409 5.565 5.374/6.433 5.603 ± 0.9681
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 ± 0.00002456 5.398 5.17/5.619 5.374 ± 0.2767
3 1342 1342/1342 1342 ± 0.00003879 5.466 5.182/5.956 5.528 ± 0.4728
5 1342 1342/1342 1342 ± 0.00002456 5.342 5.222/5.476 5.316 ± 0.365
6 1342 1342/1342 1342 ± 0.00002456 5.299 5.157/5.471 5.28 ± 0.2773
7 1342 1342/1342 1342 ± 0.00002456 5.314 5.154/5.443 5.287 ± 0.2457
8 1342 1342/1342 1342 ± 0.00002456 5.325 5.07/5.451 5.257 ± 0.2733
9 1342 1342/1342 1342 ± 0.00002456 5.571 5.45/5.771 5.545 ± 0.3167
10 1342 1342/1342 1342 ± 0.00002456 6.03 5.856/6.102 5.954 ± 0.3227
11 1342 1342/1342 1342 ± 0.00002456 6.288 6.128/6.427 6.226 ± 0.3364
12 1342 1342/1342 1342 ± 0.00002456 6.448 6.275/6.589 6.397 ± 0.3491
13 1342 1342/1342 1342 ± 0.00002469 6.654 6.361/6.793 6.54 ± 0.3707
14 1342 1342/1342 1342 ± 0.00003406 6.186 5.733/6.616 6.192 ± 0.527
15 1342 1342/1342 1342 ± 0.00002546 6.444 6.194/6.752 6.424 ± 0.4522
16 1342 1342/1342 1342 ± 0.00005787 3.524 3.32/3.82 3.572 ± 0.3656
17 1342 1342/1342 1342 ± 0.00006 3.686 3.52/3.918 3.727 ± 0.3342
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-11-02 03:28:16.224
End
2024-11-02 04:04:08.928
Duration
0:35:52.703
Note, WebLog generation is not included in the time.

CASA logs for stage 8