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

Statwt Summary Plot

VLASS2.1.sb38619750.eb38664746.59114.89728754629_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 5.716 5.381/6.231 5.85 ± 0.5567
ea02 1342 1342/1342 1342 ± 0.000005852 5.881 5.514/6.538 6.063 ± 0.6561
ea03 1342 1342/1342 1342 ± 0 5.455 4.829/6.025 5.489 ± 0.6429
ea04 1342 1342/1342 1342 ± 0 5.584 5.229/6.128 5.717 ± 0.5537
ea05 1342 1342/1342 1342 ± 0 5.931 5.441/6.381 5.969 ± 0.5829
ea06 1342 1342/1342 1342 ± 0 5.267 5.011/5.738 5.38 ± 0.4389
ea07 1342 1342/1342 1342 ± 0 6.045 5.609/6.298 6.08 ± 0.5504
ea08 1342 1342/1342 1342 ± 0.00001019 6.034 5.726/6.788 6.275 ± 0.6732
ea09 1342 1342/1342 1342 ± 0 5.883 5.312/6.413 5.934 ± 0.6298
ea10 1342 1342/1342 1342 ± 0.000006681 5.973 5.375/6.644 6.026 ± 0.6691
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.881 5.416/6.434 6.03 ± 0.655
ea13 1342 1342/1342 1342 ± 0 6.336 6.005/6.622 6.401 ± 0.4988
ea14 1342 1342/1342 1342 ± 0 5.91 5.425/6.466 6.014 ± 0.6491
ea15 1342 1342/1342 1342 ± 0 5.83 5.428/6.439 6.02 ± 0.6543
ea16 1342 1342/1342 1342 ± 0 6.214 5.777/6.779 6.371 ± 0.6836
ea17 1342 1342/1342 1342 ± 0.00003255 6.083 5.649/6.64 6.208 ± 0.6326
ea18 1342 1342/1342 1342 ± 0.00001389 5.123 4.802/5.538 5.195 ± 0.5304
ea19 1342 1342/1342 1342 ± 0 6.137 5.686/6.793 6.325 ± 0.6545
ea20 1342 1342/1342 1342 ± 0 6.316 5.733/6.851 6.298 ± 0.604
ea21 1342 1342/1342 1342 ± 0 5.814 5.533/6.39 5.993 ± 0.5465
ea22 1342 1342/1342 1342 ± 0.000001784 5.618 5.405/6.472 5.925 ± 0.6704
ea23 1342 1342/1342 1342 ± 0 6.107 5.58/6.529 6.181 ± 0.6693
ea25 1342 1342/1342 1342 ± 0.000032 5.649 5.431/6.256 5.856 ± 0.5709
ea26 1342 1342/1342 1342 ± 0 6.2 5.735/6.778 6.307 ± 0.6801
ea27 1342 1342/1342 1342 ± 0.0000421 5.656 5.326/6.435 5.853 ± 0.5819
ea28 1342 1342/1342 1342 ± 0.00004327 5.926 5.522/6.538 6.062 ± 0.6741
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 ± 0.00002348 5.515 5.41/5.793 5.543 ± 0.2967
3 1342 1342/1342 1342 ± 0.00003419 5.336 5.099/5.635 5.352 ± 0.3395
4 1342 1342/1342 1342 ± 0.00002563 5.355 5.257/5.568 5.387 ± 0.3468
5 1342 1342/1342 1342 ± 0.00002348 5.55 5.292/5.652 5.49 ± 0.3376
6 1342 1342/1342 1342 ± 0.00002348 5.416 5.236/5.595 5.379 ± 0.328
7 1342 1342/1342 1342 ± 0.00002348 5.448 5.339/5.651 5.46 ± 0.2566
8 1342 1342/1342 1342 ± 0.00002348 5.468 5.226/5.634 5.406 ± 0.274
9 1342 1342/1342 1342 ± 0.00002348 5.715 5.584/5.947 5.688 ± 0.3074
10 1342 1342/1342 1342 ± 0.00002348 6.159 6.008/6.324 6.129 ± 0.3079
11 1342 1342/1342 1342 ± 0.00002348 6.441 6.235/6.534 6.35 ± 0.3062
12 1342 1342/1342 1342 ± 0.00002392 6.579 6.352/6.716 6.509 ± 0.3296
13 1342 1342/1342 1342 ± 0.00002348 6.999 6.901/7.209 6.964 ± 0.3528
14 1342 1342/1342 1342 ± 0.00002348 7.213 6.998/7.446 7.139 ± 0.3861
15 1342 1342/1342 1342 ± 0.00002348 6.889 6.596/7.025 6.794 ± 0.3826
16 1342 1342/1342 1342 ± 0.00004659 6.135 5.929/6.403 6.133 ± 0.3416
17 1342 1342/1342 1342 ± 0.00004119 6.164 5.997/6.373 6.155 ± 0.3316
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38619750.eb38664746.59114.89728754629_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-01-04 04:14:52.094
End
2025-01-04 05:09:22.266
Duration
0:54:30.171
Note, WebLog generation is not included in the time.

CASA logs for stage 8