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 5.626 5.302/6.178 5.753 ± 0.5445
ea02 1342 1342/1342 1342 ± 0.000004541 5.749 5.427/6.478 5.985 ± 0.6261
ea03 1342 1342/1342 1342 ± 0 5.404 4.786/6.01 5.43 ± 0.6561
ea04 1342 1342/1342 1342 ± 0 5.511 5.161/6.107 5.676 ± 0.5706
ea05 1342 1342/1342 1342 ± 0 5.821 5.342/6.332 5.9 ± 0.6015
ea06 1342 1342/1342 1342 ± 0 5.239 4.919/5.683 5.312 ± 0.4554
ea07 1342 1342/1342 1342 ± 0 6.022 5.495/6.244 6.006 ± 0.5717
ea08 1342 1342/1342 1342 ± 0.00001664 5.974 5.606/6.757 6.211 ± 0.6755
ea09 1342 1342/1342 1342 ± 0 5.745 5.252/6.383 5.834 ± 0.6345
ea10 1342 1342/1342 1342 ± 0.000002142 5.985 5.315/6.604 5.968 ± 0.6908
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.797 5.329/6.464 5.986 ± 0.6807
ea13 1342 1342/1342 1342 ± 0 6.14 5.897/6.571 6.288 ± 0.5079
ea14 1342 1342/1342 1342 ± 0 5.867 5.334/6.449 5.947 ± 0.6834
ea15 1342 1342/1342 1342 ± 0 5.748 5.343/6.361 5.927 ± 0.6618
ea16 1342 1342/1342 1342 ± 0 6.127 5.661/6.771 6.288 ± 0.7157
ea17 1342 1342/1342 1342 ± 0.00002521 5.962 5.537/6.531 6.112 ± 0.6413
ea18 1342 1342/1342 1342 ± 0 5.034 4.723/5.509 5.128 ± 0.5336
ea19 1342 1342/1342 1342 ± 0 6.04 5.598/6.763 6.257 ± 0.6678
ea20 1342 1342/1342 1342 ± 0 6.235 5.649/6.791 6.185 ± 0.6162
ea21 1342 1342/1342 1342 ± 0 5.787 5.415/6.355 5.93 ± 0.5803
ea22 1342 1342/1342 1342 ± 0 5.587 5.286/6.422 5.839 ± 0.6669
ea23 1342 1342/1342 1342 ± 0 6.036 5.476/6.469 6.105 ± 0.69
ea25 1342 1342/1342 1342 ± 0.000003708 5.657 5.308/6.2 5.805 ± 0.5871
ea26 1342 1342/1342 1342 ± 0 6.062 5.643/6.754 6.226 ± 0.6802
ea27 1342 1342/1342 1342 ± 0.00002582 5.617 5.228/6.416 5.783 ± 0.6079
ea28 1342 1342/1342 1342 ± 0.00004039 5.847 5.457/6.518 6.009 ± 0.6675
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 5.386 5.282/5.654 5.406 ± 0.2782
3 1342 1342/1342 1342 ± 0.00002418 5.336 5.086/5.528 5.31 ± 0.306
4 1342 1342/1342 1342 ± 0.00002396 5.252 5.063/5.498 5.285 ± 0.3278
5 1342 1342/1342 1342 ± 0.00002348 5.396 5.145/5.516 5.351 ± 0.3266
6 1342 1342/1342 1342 ± 0.00002348 5.326 5.151/5.524 5.298 ± 0.3285
7 1342 1342/1342 1342 ± 0.00002348 5.355 5.27/5.55 5.375 ± 0.2516
8 1342 1342/1342 1342 ± 0.00002348 5.388 5.167/5.557 5.335 ± 0.268
9 1342 1342/1342 1342 ± 0.00002348 5.668 5.532/5.877 5.632 ± 0.3036
10 1342 1342/1342 1342 ± 0.00002348 6.109 5.952/6.26 6.08 ± 0.3088
11 1342 1342/1342 1342 ± 0.00002348 6.387 6.168/6.482 6.305 ± 0.3114
12 1342 1342/1342 1342 ± 0.00002392 6.544 6.297/6.671 6.466 ± 0.33
13 1342 1342/1342 1342 ± 0.00002348 6.928 6.822/7.148 6.901 ± 0.3497
14 1342 1342/1342 1342 ± 0.00002348 7.126 6.916/7.312 7.051 ± 0.3834
15 1342 1342/1342 1342 ± 0.00002348 6.831 6.528/6.977 6.739 ± 0.3793
16 1342 1342/1342 1342 ± 0.00004057 6.13 5.783/6.333 6.093 ± 0.34
17 1342 1342/1342 1342 ± 0.00003551 6.136 5.866/6.356 6.09 ± 0.339
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.1.sb38619750.eb38664746.59114.89728754629_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2025-01-24 01:42:36.691
End
2025-01-24 02:13:09.607
Duration
0:30:32.916
Note, WebLog generation is not included in the time.

CASA logs for stage 8