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

Statwt Summary Plot

VLASS2.1.sb38652042.eb38809484.59142.37127280093_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 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea02 1342 1342/1342 1342 ± 0 5.911 5.386/6.621 5.853 ± 0.8603
ea03 1342 1342/1342 1342 ± 0.00002221 5.086 4.814/6.056 5.288 ± 0.7785
ea04 1342 1342/1342 1342 ± 0.00002079 5.463 5.155/6.045 5.468 ± 0.8509
ea05 1342 1342/1342 1342 ± 0.00001182 5.338 4.923/6.192 5.5 ± 0.7727
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.00001891 5.978 5.532/6.417 5.951 ± 0.9108
ea08 1342 1342/1342 1342 ± 0.00003805 5.921 5.512/6.708 5.971 ± 0.9198
ea09 1342 1342/1342 1342 ± 0.00003754 5.727 5.173/6.516 5.721 ± 0.827
ea10 1342 1342/1342 1342 ± 0.00002491 5.955 5.31/6.731 5.915 ± 0.8799
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003841 5.661 5.378/6.564 5.792 ± 0.8962
ea13 1342 1342/1342 1342 ± 0.00002497 5.786 5.6/6.328 5.906 ± 0.7548
ea14 1342 1342/1342 1342 ± 0.0000207 5.611 5.291/6.489 5.739 ± 0.8777
ea15 1342 1342/1342 1342 ± 0.000003817 2.539 2.402/2.987 2.707 ± 0.4594
ea17 1342 1342/1342 1342 ± 0.00003802 6.23 5.767/7.249 6.263 ± 1.017
ea18 1342 1342/1342 1342 ± 0.00003918 4.85 4.685/5.548 4.921 ± 0.6343
ea19 1342 1342/1342 1342 ± 0.00002129 5.655 5.362/6.533 5.828 ± 0.8531
ea20 1342 1342/1342 1342 ± 0.00003815 5.902 5.795/6.965 6.084 ± 0.954
ea21 1342 1342/1342 1342 ± 0.00001593 5.678 5.416/6.498 5.835 ± 0.8676
ea23 1342 1342/1342 1342 ± 0.00001692 5.518 5.467/5.704 5.376 ± 0.6819
ea24 1342 1342/1342 1342 ± 0.00003711 5.648 5.38/6.45 5.751 ± 0.8026
ea25 1342 1342/1342 1342 ± 0.00003831 5.632 5.288/6.368 5.648 ± 0.8342
ea26 1342 1342/1342 1342 ± 0.00002063 5.879 5.709/6.98 6.12 ± 0.8702
ea27 1342 1342/1342 1342 ± 0.00003512 5.506 5.189/6.489 5.698 ± 0.8418
ea28 1342 1342/1342 1342 ± 0.00003437 5.421 5.212/6.294 5.614 ± 0.7203
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 ± 0.00002495 5.408 5.277/5.692 5.318 ± 0.6444
5 1342 1342/1342 1342 ± 0.00002528 5.396 5.161/5.549 5.229 ± 0.6871
6 1342 1342/1342 1342 ± 0.00002496 5.273 5.022/5.41 5.091 ± 0.6486
7 1342 1342/1342 1342 ± 0.00002495 5.387 5.265/5.505 5.262 ± 0.6549
8 1342 1342/1342 1342 ± 0.00002495 5.325 5.185/5.452 5.225 ± 0.6646
9 1342 1342/1342 1342 ± 0.00002495 5.61 5.282/5.898 5.466 ± 0.7194
10 1342 1342/1342 1342 ± 0.00002495 6.009 5.671/6.259 5.821 ± 0.8019
11 1342 1342/1342 1342 ± 0.00002495 6.3 6.039/6.547 6.15 ± 0.7665
12 1342 1342/1342 1342 ± 0.00002495 6.501 6.273/6.65 6.35 ± 0.807
13 1342 1342/1342 1342 ± 0.00002495 6.714 6.545/6.978 6.59 ± 0.7434
14 1342 1342/1342 1342 ± 0.00002613 6.64 6.347/6.931 6.501 ± 0.7432
15 1342 1342/1342 1342 ± 0.00002495 6.521 6.173/6.888 6.373 ± 0.867
16 1342 1342/1342 1342 ± 0.00006015 3.776 3.588/3.922 3.682 ± 0.4406
17 1342 1342/1342 1342 ± 0.00005978 3.989 3.805/4.157 3.907 ± 0.4743
vis
VLASS2.1.sb38652042.eb38809484.59142.37127280093_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-01-12 00:35:44.217
End
2025-01-12 01:44:25.688
Duration
1:08:41.471
Note, WebLog generation is not included in the time.

CASA logs for stage 8