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 5.453 5.319/6.091 5.572 ± 0.7252
ea02 1342 1342/1342 1342 ± 0.00004155 5.985 5.446/6.687 5.834 ± 0.9651
ea04 1342 1342/1342 1342 ± 0.00003449 5.476 5.056/6.07 5.364 ± 0.8666
ea05 1342 1342/1342 1342 ± 0.00001982 5.427 5.064/6.115 5.512 ± 0.7163
ea06 1342 1342/1342 1342 ± 0.00003733 5.336 4.89/5.982 5.279 ± 0.8394
ea07 1342 1342/1342 1342 ± 0.0000345 5.824 5.291/6.221 5.616 ± 0.8073
ea09 1342 1342/1342 1342 ± 0.00003335 5.523 5.044/6.022 5.419 ± 0.6786
ea10 1342 1342/1342 1342 ± 0.00003656 5.294 4.835/5.843 5.193 ± 0.6985
ea11 1342 1342/1342 1342 ± 0.0000364 6.033 5.456/6.595 5.846 ± 0.8708
ea12 1342 1342/1342 1342 ± 0.0000396 5.921 5.464/6.72 5.802 ± 1.034
ea13 1342 1342/1342 1342 ± 0.00002089 5.755 5.587/6.26 5.832 ± 0.7507
ea14 1342 1342/1342 1342 ± 0.00002473 5.702 5.307/6.512 5.762 ± 0.8303
ea15 1342 1342/1342 1342 ± 0.00002439 5.665 5.376/6.518 5.635 ± 1.058
ea16 1342 1342/1342 1342 ± 0.00001853 5.85 5.571/6.713 5.945 ± 0.8286
ea17 1342 1342/1342 1342 ± 0.00003841 5.953 5.485/6.708 5.952 ± 0.8862
ea18 1342 1342/1342 1342 ± 0.00003868 5.154 4.862/5.576 5.101 ± 0.6793
ea19 1342 1342/1342 1342 ± 0.00001371 5.728 5.436/6.45 5.824 ± 0.7508
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0.00002156 5.555 5.268/6.216 5.573 ± 0.7877
ea22 1342 1342/1342 1342 ± 0.00004165 5.474 5.182/6.508 5.61 ± 0.9064
ea23 1342 1342/1342 1342 ± 0.00002834 5.912 5.499/6.633 5.863 ± 0.902
ea24 1342 1342/1342 1342 ± 0.00002348 4.922 4.801/5.964 5.228 ± 0.6635
ea25 1342 1342/1342 1342 ± 0.00003883 5.698 5.296/6.306 5.635 ± 0.8157
ea26 1342 1342/1342 1342 ± 0.00003341 5.649 5.57/6.504 5.821 ± 0.8551
ea27 1342 1342/1342 1342 ± 0.00003715 5.675 5.249/6.557 5.728 ± 0.8768
ea28 1342 1342/1342 1342 ± 0.000037 5.767 5.509/6.696 5.901 ± 0.9228
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 ± 0.00002408 5.447 5.288/5.639 5.423 ± 0.2851
3 1342 1342/1342 1342 ± 0.0000313 5.883 5.596/6.23 5.915 ± 0.4262
5 1342 1342/1342 1342 ± 0.00002456 5.23 4.99/5.358 5.188 ± 0.26
6 1342 1342/1342 1342 ± 0.00002408 5.384 5.123/5.521 5.328 ± 0.2578
7 1342 1342/1342 1342 ± 0.00002408 5.421 5.211/5.512 5.344 ± 0.2384
8 1342 1342/1342 1342 ± 0.00002408 5.357 5.052/5.462 5.287 ± 0.2785
9 1342 1342/1342 1342 ± 0.00002408 5.677 5.334/5.763 5.589 ± 0.2833
10 1342 1342/1342 1342 ± 0.00002408 6.092 5.876/6.161 5.992 ± 0.2581
11 1342 1342/1342 1342 ± 0.00002408 6.324 6.064/6.499 6.274 ± 0.2583
12 1342 1342/1342 1342 ± 0.00002408 6.469 6.244/6.691 6.451 ± 0.2867
13 1342 1342/1342 1342 ± 0.00002408 6.664 6.402/6.922 6.619 ± 0.3658
14 1342 1342/1342 1342 ± 0.00002587 6.538 6.219/6.817 6.489 ± 0.4458
15 1342 1342/1342 1342 ± 0.00002544 6.517 5.95/6.717 6.357 ± 0.4895
16 1342 1342/1342 1342 ± 0.00005683 3.777 3.615/4.037 3.815 ± 0.267
17 1342 1342/1342 1342 ± 0.00005808 3.853 3.579/4.138 3.876 ± 0.4264
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-11-01 05:03:04.549
End
2024-11-01 05:25:26.036
Duration
0:22:21.487
Note, WebLog generation is not included in the time.

CASA logs for stage 8