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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.361 5.142/5.974 5.414 ± 0.8629
ea02 1342 1342/1342 1342 ± 0.00004263 5.847 5.405/6.681 5.79 ± 1.044
ea05 1342 1342/1342 1342 ± 0.000008484 5.515 5.144/6.545 5.648 ± 0.8805
ea06 1342 1342/1342 1342 ± 0.000009067 4.907 4.819/5.444 4.924 ± 0.6474
ea07 1342 1342/1342 1342 ± 0.00004289 5.834 5.393/6.056 5.511 ± 0.8564
ea08 1342 1342/1342 1342 ± 0.00004272 6.07 5.677/6.901 6.011 ± 1.117
ea09 1342 1342/1342 1342 ± 0.0000207 3.946 3.318/5.901 4.525 ± 1.21
ea10 1342 1342/1342 1342 ± 0.00004293 5.457 5.07/6.319 5.479 ± 0.8915
ea11 1342 1342/1342 1342 ± 0 5.9 5.365/6.564 6.055 ± 0.6498
ea12 1342 1342/1342 1342 ± 0.000005789 5.7 5.41/6.627 5.788 ± 1.084
ea13 1342 1342/1342 1342 ± 0.0000223 5.871 5.723/6.411 5.927 ± 0.822
ea14 1342 1342/1342 1342 ± 0 6.577 5.666/6.769 5.975 ± 1.172
ea15 1342 1342/1342 1342 ± 0 5.455 5.238/6.308 5.629 ± 0.9363
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00004308 5.904 5.55/6.931 5.885 ± 1.096
ea18 1342 1342/1342 1342 ± 0.00003175 5.086 4.77/5.829 5.056 ± 0.8704
ea19 1342 1342/1342 1342 ± 0.000001701 5.706 5.443/6.774 5.839 ± 0.9233
ea20 1342 1342/1342 1342 ± 0.00001819 5.971 5.705/7.088 6.038 ± 1.194
ea21 1342 1342/1342 1342 ± 0.00002151 5.52 5.342/6.446 5.614 ± 0.9209
ea22 1342 1342/1342 1342 ± 0.00003158 5.38 5.15/6.456 5.542 ± 0.9259
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.359 5.307/5.423 5.367 ± 0.1651
ea26 1342 1342/1342 1342 ± 0.00002418 5.684 5.527/6.678 5.827 ± 0.8813
ea27 1342 1342/1342 1342 ± 0.00004267 5.546 5.162/6.474 5.675 ± 0.8626
ea28 1342 1342/1342 1342 ± 0.0000551 6.557 5.658/6.681 5.89 ± 1.324
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 ± 0.0000263 5.451 5.314/5.742 5.414 ± 0.5029
5 1342 1342/1342 1342 ± 0.0000269 5.385 5.152/5.535 5.265 ± 0.5251
6 1342 1342/1342 1342 ± 0.0000263 5.403 5.24/5.491 5.28 ± 0.5314
7 1342 1342/1342 1342 ± 0.0000263 5.362 5.197/5.491 5.284 ± 0.5089
8 1342 1342/1342 1342 ± 0.0000263 5.361 5.132/5.459 5.212 ± 0.5218
9 1342 1342/1342 1342 ± 0.0000263 5.635 5.484/5.843 5.506 ± 0.5972
10 1342 1342/1342 1342 ± 0.00002572 6.1 5.874/6.167 6.012 ± 0.3473
11 1342 1342/1342 1342 ± 0.00002572 6.339 6.272/6.554 6.308 ± 0.3617
12 1342 1342/1342 1342 ± 0.00002572 6.593 6.299/6.677 6.483 ± 0.3831
13 1342 1342/1342 1342 ± 0.00002572 6.825 6.361/7 6.731 ± 0.4039
14 1342 1342/1342 1342 ± 0.0000349 6.688 6.127/6.981 6.592 ± 0.5013
15 1342 1342/1342 1342 ± 0.0000261 6.74 6.601/7.045 6.701 ± 0.4884
16 1342 1342/1342 1342 ± 0.00006103 3.655 3.533/3.946 3.729 ± 0.2531
17 1342 1342/1342 1342 ± 0.00006085 3.793 3.68/4.014 3.833 ± 0.2381
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2025-01-29 04:28:57.655
End
2025-01-29 04:56:39.578
Duration
0:27:41.923
Note, WebLog generation is not included in the time.

CASA logs for stage 8