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

Statwt Summary Plot

VLASS2.1.sb38609625.eb38648759.59107.988554826385_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 5.595 5.375/6.001 5.747 ± 0.5518
ea02 1342 1342/1342 1342 ± 0.000005193 5.736 5.467/6.572 6.014 ± 0.6784
ea04 1342 1342/1342 1342 ± 0.000005566 5.447 5.148/6.008 5.609 ± 0.5216
ea05 1342 1342/1342 1342 ± 0 5.89 5.423/6.192 5.882 ± 0.5455
ea06 1342 1342/1342 1342 ± 0 5.075 4.826/5.367 5.101 ± 0.3516
ea07 1342 1342/1342 1342 ± 0 5.481 5.409/5.661 5.557 ± 0.2036
ea08 1342 1342/1342 1342 ± 0.00001979 5.85 5.642/6.679 6.188 ± 0.6735
ea09 1342 1342/1342 1342 ± 0 5.573 5.242/6.24 5.765 ± 0.6123
ea10 1342 1342/1342 1342 ± 0 6.017 5.426/6.564 6.006 ± 0.648
ea11 1342 1342/1342 1342 ± 0.000003938 5.95 5.217/6.397 5.87 ± 0.7153
ea12 1342 1342/1342 1342 ± 0 5.787 5.378/6.388 5.952 ± 0.638
ea13 1342 1342/1342 1342 ± 0 6.145 5.914/6.387 6.257 ± 0.4681
ea14 1342 1342/1342 1342 ± 0 5.832 5.384/6.462 5.955 ± 0.6689
ea15 1342 1342/1342 1342 ± 0 5.895 5.422/6.453 6.013 ± 0.6433
ea16 1342 1342/1342 1342 ± 0 6.123 5.732/6.753 6.286 ± 0.6891
ea17 1342 1342/1342 1342 ± 0.000008904 6.066 5.634/6.611 6.143 ± 0.6421
ea18 1342 1342/1342 1342 ± 0 5.015 4.725/5.525 5.132 ± 0.5299
ea19 1342 1342/1342 1342 ± 0 6.085 5.64/6.777 6.262 ± 0.6367
ea20 1342 1342/1342 1342 ± 0 6.08 5.645/6.655 6.186 ± 0.6419
ea21 1342 1342/1342 1342 ± 0 5.803 5.462/6.276 5.926 ± 0.5388
ea22 1342 1342/1342 1342 ± 0 5.456 5.297/6.152 5.712 ± 0.6586
ea23 1342 1342/1342 1342 ± 0 6.034 5.539/6.452 6.114 ± 0.6705
ea25 1342 1342/1342 1342 ± 0.000003411 5.337 5.045/5.498 5.296 ± 0.2233
ea26 1342 1342/1342 1342 ± 0 5.985 5.693/6.688 6.211 ± 0.6727
ea27 1342 1342/1342 1342 ± 0.00002824 5.579 5.35/6.345 5.775 ± 0.5976
ea28 1342 1342/1342 1342 ± 0.00003763 5.724 5.493/6.472 5.973 ± 0.6734
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 ± 0.0000235 5.484 5.376/5.721 5.511 ± 0.2703
3 1342 1342/1342 1342 ± 0.00002369 5.279 4.969/5.477 5.265 ± 0.3513
4 1342 1342/1342 1342 ± 0.00002451 5.446 5.198/5.579 5.412 ± 0.3313
5 1342 1342/1342 1342 ± 0.00002451 5.321 5.079/5.505 5.302 ± 0.3534
6 1342 1342/1342 1342 ± 0.0000235 5.407 5.217/5.542 5.378 ± 0.2945
7 1342 1342/1342 1342 ± 0.0000235 5.441 5.296/5.634 5.432 ± 0.2637
8 1342 1342/1342 1342 ± 0.0000235 5.455 5.221/5.585 5.378 ± 0.2854
9 1342 1342/1342 1342 ± 0.0000235 5.671 5.488/5.908 5.643 ± 0.3331
10 1342 1342/1342 1342 ± 0.00002442 6.105 5.906/6.245 6.029 ± 0.3348
11 1342 1342/1342 1342 ± 0.00002442 6.363 6.126/6.435 6.254 ± 0.3407
12 1342 1342/1342 1342 ± 0.00002442 6.438 6.325/6.623 6.362 ± 0.4675
13 1342 1342/1342 1342 ± 0.00002442 6.933 6.781/7.176 6.879 ± 0.3978
14 1342 1342/1342 1342 ± 0.00002442 7.184 6.909/7.354 7.08 ± 0.4325
15 1342 1342/1342 1342 ± 0.00002442 6.845 6.599/7.021 6.73 ± 0.4248
16 1342 1342/1342 1342 ± 0.00003861 6.066 5.667/6.357 6.025 ± 0.4339
17 1342 1342/1342 1342 ± 0.00003636 6.082 5.637/6.345 6.01 ± 0.4169
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38609625.eb38648759.59107.988554826385_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2024-12-31 00:30:38.212
End
2024-12-31 01:08:05.622
Duration
0:37:27.409
Note, WebLog generation is not included in the time.

CASA logs for stage 8