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

Statwt Summary Plot

VLASS2.1.sb38487128.eb38624732.59090.114586261574_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 5.333 5.229/5.867 5.363 ± 0.7978
ea02 1342 1342/1342 1342 ± 0.00004404 5.832 5.303/6.612 5.767 ± 1.08
ea04 1342 1342/1342 1342 ± 0 5.277 5.05/5.868 5.296 ± 0.7606
ea05 1342 1342/1342 1342 ± 0.0000311 5.43 5.075/6.118 5.505 ± 0.7821
ea06 1342 1342/1342 1342 ± 0.000002048 5.186 4.676/5.299 4.809 ± 0.7623
ea07 1342 1342/1342 1342 ± 0.0000445 5.895 5.464/6.239 5.689 ± 0.8644
ea08 1342 1342/1342 1342 ± 0.00003253 5.85 5.606/6.724 6.07 ± 0.9011
ea09 1342 1342/1342 1342 ± 0.00002113 5.357 5.195/6.401 5.596 ± 0.8167
ea10 1342 1342/1342 1342 ± 0.00004437 5.475 5.227/6.516 5.642 ± 0.9038
ea11 1342 1342/1342 1342 ± 0.00003199 5.715 5.136/6.33 5.553 ± 1.003
ea12 1342 1342/1342 1342 ± 0.000002681 5.624 5.344/6.484 5.683 ± 0.9987
ea13 1342 1342/1342 1342 ± 0.00003091 5.844 5.611/6.387 5.899 ± 0.8503
ea14 1342 1342/1342 1342 ± 0.00001652 5.582 5.261/6.389 5.617 ± 0.8259
ea15 1342 1342/1342 1342 ± 0 5.21 4.993/6.08 5.39 ± 0.8481
ea16 1342 1342/1342 1342 ± 0.00003604 5.868 5.48/6.677 5.859 ± 0.9677
ea17 1342 1342/1342 1342 ± 0.0000421 5.703 5.512/6.502 5.76 ± 0.9813
ea18 1342 1342/1342 1342 ± 0.00002591 5.045 4.748/5.654 4.948 ± 0.7779
ea19 1342 1342/1342 1342 ± 0.000004024 5.632 5.522/6.478 5.785 ± 0.8568
ea20 1342 1342/1342 1342 ± 0.00001441 5.782 5.652/6.637 5.864 ± 1.079
ea21 1342 1342/1342 1342 ± 0.00003195 5.495 5.334/6.154 5.49 ± 0.8152
ea22 1342 1342/1342 1342 ± 0.00004202 5.409 5.191/6.392 5.545 ± 0.8997
ea23 1342 1342/1342 1342 ± 0.00004319 5.756 5.474/6.363 5.755 ± 0.9358
ea25 1342 1342/1342 1342 ± 0.00004218 5.26 5.06/6.175 5.398 ± 0.9223
ea26 1342 1342/1342 1342 ± 0.00003633 5.826 5.667/6.813 6.001 ± 0.9315
ea27 1342 1342/1342 1342 ± 0.00004497 5.383 5.049/6.319 5.465 ± 0.8696
ea28 1342 1342/1342 1342 ± 0.00003224 5.744 5.42/6.516 5.81 ± 0.8269
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 ± 0.00002402 5.448 5.215/5.757 5.48 ± 0.2647
3 1342 1342/1342 1342 ± 0.00003294 5.169 4.959/5.428 5.184 ± 0.2389
5 1342 1342/1342 1342 ± 0.000025 5.421 5.21/5.527 5.404 ± 0.2525
6 1342 1342/1342 1342 ± 0.00002402 5.403 5.257/5.537 5.38 ± 0.269
7 1342 1342/1342 1342 ± 0.00002402 5.372 5.2/5.536 5.374 ± 0.233
8 1342 1342/1342 1342 ± 0.00002402 5.335 5.083/5.47 5.309 ± 0.2396
9 1342 1342/1342 1342 ± 0.00002402 5.63 5.424/5.829 5.572 ± 0.2854
10 1342 1342/1342 1342 ± 0.00002357 6.009 5.81/6.179 5.943 ± 0.3388
11 1342 1342/1342 1342 ± 0.00002357 6.314 6.113/6.435 6.209 ± 0.3479
12 1342 1342/1342 1342 ± 0.00002357 6.414 6.25/6.609 6.387 ± 0.3644
13 1342 1342/1342 1342 ± 0.00002357 6.72 6.501/6.898 6.661 ± 0.3801
14 1342 1342/1342 1342 ± 0.00003229 6.592 6.194/6.921 6.546 ± 0.5003
15 1342 1342/1342 1342 ± 0.00002419 6.653 6.368/6.953 6.594 ± 0.5207
16 1342 1342/1342 1342 ± 0.00006032 3.691 3.531/3.854 3.713 ± 0.2696
17 1342 1342/1342 1342 ± 0.00006076 3.92 3.739/4.092 3.922 ± 0.2538
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38487128.eb38624732.59090.114586261574_split_split.ms
datacolumn
residual_data
output_dir
 
Start time
2024-04-30 21:20:15.554
End
2024-04-30 21:49:16.616
Duration
0:29:01.061
Note, WebLog generation is not included in the time.

CASA logs for stage 7