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 5.359 5.233/6.023 5.46 ± 0.847
ea02 1342 1342/1342 1342 ± 0.00004953 5.8 5.371/6.632 5.751 ± 1.031
ea05 1342 1342/1342 1342 ± 0.00001199 5.519 5.124/6.259 5.563 ± 0.871
ea06 1342 1342/1342 1342 ± 0.000003809 4.893 4.82/5.434 4.907 ± 0.6876
ea07 1342 1342/1342 1342 ± 0.00004252 5.792 5.385/6.003 5.485 ± 0.8819
ea08 1342 1342/1342 1342 ± 0.00004272 6.049 5.654/6.761 5.973 ± 1.073
ea09 1342 1342/1342 1342 ± 0.00002626 3.868 3.358/5.731 4.463 ± 1.152
ea10 1342 1342/1342 1342 ± 0.00003626 5.632 5.172/6.292 5.624 ± 0.7541
ea11 1342 1342/1342 1342 ± 0 5.881 5.439/6.558 6.059 ± 0.6411
ea12 1342 1342/1342 1342 ± 0.000006592 5.643 5.359/6.549 5.721 ± 1.089
ea13 1342 1342/1342 1342 ± 0.00001849 5.909 5.786/6.408 5.939 ± 0.8331
ea14 1342 1342/1342 1342 ± 0.00001816 6.53 6.112/6.632 5.848 ± 1.222
ea15 1342 1342/1342 1342 ± 0.00000121 5.423 5.164/6.196 5.528 ± 0.9305
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00003845 5.913 5.59/6.775 5.926 ± 1.031
ea18 1342 1342/1342 1342 ± 0.00002844 5.071 4.835/5.781 5.031 ± 0.8845
ea19 1342 1342/1342 1342 ± 0.000005261 5.714 5.451/6.63 5.772 ± 0.9239
ea20 1342 1342/1342 1342 ± 0.0000163 5.958 5.726/6.941 5.992 ± 1.217
ea21 1342 1342/1342 1342 ± 0.00002093 5.507 5.338/6.262 5.54 ± 0.8937
ea22 1342 1342/1342 1342 ± 0.00003549 5.451 5.164/6.489 5.562 ± 0.9436
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.43 5.412/5.447 5.411 ± 0.1323
ea26 1342 1342/1342 1342 ± 0.0000258 5.656 5.556/6.634 5.821 ± 0.8709
ea27 1342 1342/1342 1342 ± 0.00004376 5.563 5.157/6.485 5.63 ± 0.8762
ea28 1342 1342/1342 1342 ± 0.00005361 6.526 6.026/6.647 5.862 ± 1.279
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 ± 0.0000261 5.455 5.286/5.741 5.412 ± 0.5053
5 1342 1342/1342 1342 ± 0.00002727 5.417 5.215/5.565 5.312 ± 0.5386
6 1342 1342/1342 1342 ± 0.0000261 5.443 5.223/5.561 5.311 ± 0.522
7 1342 1342/1342 1342 ± 0.0000261 5.389 5.172/5.517 5.288 ± 0.5058
8 1342 1342/1342 1342 ± 0.0000261 5.341 5.116/5.487 5.215 ± 0.5202
9 1342 1342/1342 1342 ± 0.0000261 5.596 5.43/5.847 5.477 ± 0.5894
10 1342 1342/1342 1342 ± 0.00002553 6.059 5.819/6.19 5.998 ± 0.3595
11 1342 1342/1342 1342 ± 0.00002553 6.399 6.191/6.491 6.28 ± 0.3641
12 1342 1342/1342 1342 ± 0.00002553 6.549 6.195/6.637 6.439 ± 0.3741
13 1342 1342/1342 1342 ± 0.00002557 6.773 6.334/6.867 6.666 ± 0.3928
14 1342 1342/1342 1342 ± 0.00003691 6.526 6.044/6.886 6.477 ± 0.502
15 1342 1342/1342 1342 ± 0.00002612 6.659 6.489/6.933 6.609 ± 0.5001
16 1342 1342/1342 1342 ± 0.00006084 3.668 3.476/3.83 3.659 ± 0.2838
17 1342 1342/1342 1342 ± 0.0000608 3.712 3.569/3.858 3.718 ± 0.2578
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-04-22 19:55:34.980
End
2024-04-22 20:57:29.024
Duration
1:01:54.043
Note, WebLog generation is not included in the time.

CASA logs for stage 7