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

Statwt Summary Plot

VLASS2.1.sb38607909.eb38640757.59103.0786646412_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 5.685 5.447/6.107 5.827 ± 0.5034
ea02 1342 1342/1342 1342 ± 0.000007644 6.12 5.759/6.752 6.285 ± 0.668
ea04 1342 1342/1342 1342 ± 0.000008454 5.625 5.293/6.143 5.78 ± 0.528
ea05 1342 1342/1342 1342 ± 0 6.147 5.659/6.506 6.151 ± 0.5594
ea06 1342 1342/1342 1342 ± 0 5.077 4.977/5.485 5.204 ± 0.3317
ea07 1342 1342/1342 1342 ± 0 6.241 5.743/6.431 6.254 ± 0.5465
ea08 1342 1342/1342 1342 ± 0 6.111 5.787/6.852 6.336 ± 0.6639
ea09 1342 1342/1342 1342 ± 0 5.995 5.481/6.516 6.037 ± 0.6301
ea10 1342 1342/1342 1342 ± 0 6.087 5.593/6.812 6.172 ± 0.6379
ea11 1342 1342/1342 1342 ± 0 5.879 5.045/6.438 5.799 ± 0.6849
ea12 1342 1342/1342 1342 ± 0 6.112 5.686/6.651 6.257 ± 0.6448
ea13 1342 1342/1342 1342 ± 0 6.137 5.982/6.475 6.317 ± 0.4514
ea14 1342 1342/1342 1342 ± 0 5.917 5.427/6.453 6.005 ± 0.6377
ea15 1342 1342/1342 1342 ± 0 6.054 5.485/6.538 6.091 ± 0.6766
ea16 1342 1342/1342 1342 ± 0 6.282 5.881/6.899 6.453 ± 0.7005
ea17 1342 1342/1342 1342 ± 0 6.164 5.848/6.776 6.335 ± 0.6325
ea18 1342 1342/1342 1342 ± 0.000004235 5.281 4.97/5.653 5.336 ± 0.505
ea19 1342 1342/1342 1342 ± 0 6.245 5.849/6.851 6.426 ± 0.6195
ea20 1342 1342/1342 1342 ± 0 5.263 5.045/5.698 5.375 ± 0.4178
ea21 1342 1342/1342 1342 ± 0 5.921 5.678/6.501 6.112 ± 0.5332
ea22 1342 1342/1342 1342 ± 0 5.493 5.307/6.135 5.722 ± 0.5946
ea23 1342 1342/1342 1342 ± 0 6.19 5.721/6.605 6.283 ± 0.658
ea25 1342 1342/1342 1342 ± 0.000005599 5.677 5.529/6.33 5.916 ± 0.5688
ea26 1342 1342/1342 1342 ± 0 6.293 5.901/6.968 6.468 ± 0.6955
ea27 1342 1342/1342 1342 ± 0.00003648 5.72 5.492/6.479 5.933 ± 0.5485
ea28 1342 1342/1342 1342 ± 0.00003119 5.948 5.719/6.745 6.201 ± 0.6757
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 ± 0.00002414 5.643 5.471/5.944 5.655 ± 0.3004
3 1342 1342/1342 1342 ± 0.00002436 5.38 5.164/5.682 5.411 ± 0.3663
4 1342 1342/1342 1342 ± 0.00002411 5.658 5.305/5.764 5.507 ± 0.3611
5 1342 1342/1342 1342 ± 0.00002408 5.696 5.394/5.85 5.612 ± 0.3464
6 1342 1342/1342 1342 ± 0.00002408 5.541 5.348/5.692 5.517 ± 0.3232
7 1342 1342/1342 1342 ± 0.00002408 5.564 5.414/5.779 5.567 ± 0.2747
8 1342 1342/1342 1342 ± 0.00002408 5.531 5.285/5.735 5.493 ± 0.3132
9 1342 1342/1342 1342 ± 0.00002414 5.783 5.475/6.12 5.762 ± 0.3791
10 1342 1342/1342 1342 ± 0.00002414 6.235 6.062/6.422 6.173 ± 0.365
11 1342 1342/1342 1342 ± 0.00002408 6.444 6.286/6.668 6.385 ± 0.3815
12 1342 1342/1342 1342 ± 0.00002408 6.55 6.42/6.832 6.484 ± 0.5135
13 1342 1342/1342 1342 ± 0.00002408 7.13 6.794/7.372 6.996 ± 0.4549
14 1342 1342/1342 1342 ± 0.00002414 7.281 6.917/7.559 7.174 ± 0.4943
15 1342 1342/1342 1342 ± 0.00002408 6.871 6.641/7.129 6.786 ± 0.4903
16 1342 1342/1342 1342 ± 0.00003531 6.096 5.776/6.403 6.105 ± 0.4288
17 1342 1342/1342 1342 ± 0.00003656 6.145 5.808/6.434 6.11 ± 0.4171
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38607909.eb38640757.59103.0786646412_split_split.ms
Start time
2025-02-06 22:04:49.524
End
2025-02-06 22:34:28.312
Duration
0:29:38.788
Note, WebLog generation is not included in the time.

CASA logs for stage 8