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

Statwt Summary Plot

VLASS2.1.sb38602933.eb38631109.59096.27884142361_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 5.362 5.228/6.216 5.6 ± 0.7602
ea02 1342 1342/1342 1342 ± 0.00004219 5.918 5.338/6.709 5.907 ± 0.9656
ea04 1342 1342/1342 1342 ± 0.00002948 5.389 5.041/6.117 5.437 ± 0.7701
ea05 1342 1342/1342 1342 ± 0.00002633 5.465 5.012/6.388 5.644 ± 0.804
ea06 1342 1342/1342 1342 ± 0.00003641 4.975 4.684/5.367 4.936 ± 0.5598
ea07 1342 1342/1342 1342 ± 0.00003498 5.938 5.462/6.387 5.92 ± 0.8349
ea08 1342 1342/1342 1342 ± 0.00003571 6.045 5.638/6.836 6.15 ± 0.9408
ea09 1342 1342/1342 1342 ± 0.00003227 5.552 5.213/6.554 5.686 ± 0.8622
ea10 1342 1342/1342 1342 ± 0.00003641 5.957 5.311/6.777 5.909 ± 0.9148
ea11 1342 1342/1342 1342 ± 0.00004184 5.796 5.164/6.542 5.707 ± 0.9348
ea12 1342 1342/1342 1342 ± 0.00003759 5.736 5.378/6.55 5.852 ± 0.8757
ea13 1342 1342/1342 1342 ± 0.00002086 5.973 5.642/6.403 6.004 ± 0.8169
ea14 1342 1342/1342 1342 ± 0.00004229 5.453 5.166/6.445 5.691 ± 0.8493
ea15 1342 1342/1342 1342 ± 0.00001199 5.331 5.124/6.309 5.586 ± 0.9006
ea16 1342 1342/1342 1342 ± 0.00003949 5.884 5.459/6.86 6.052 ± 0.9866
ea17 1342 1342/1342 1342 ± 0.0000371 5.913 5.508/7.06 6.005 ± 0.9279
ea18 1342 1342/1342 1342 ± 0.0000378 5.012 4.767/5.734 5.15 ± 0.63
ea19 1342 1342/1342 1342 ± 0.00002243 5.773 5.508/6.815 6.016 ± 0.8873
ea20 1342 1342/1342 1342 ± 0.0000394 5.891 5.657/7.078 6.132 ± 0.9611
ea21 1342 1342/1342 1342 ± 0.00003626 5.483 5.333/6.336 5.681 ± 0.8183
ea22 1342 1342/1342 1342 ± 0.00003334 5.394 5.14/6.492 5.695 ± 0.8383
ea23 1342 1342/1342 1342 ± 0.00004058 5.834 5.473/6.608 5.867 ± 0.9585
ea25 1342 1342/1342 1342 ± 0.0000374 5.529 5.22/6.335 5.636 ± 0.7867
ea26 1342 1342/1342 1342 ± 0.00002847 5.849 5.671/6.961 6.065 ± 0.9245
ea27 1342 1342/1342 1342 ± 0.00003376 5.577 5.372/6.578 5.772 ± 0.7923
ea28 1342 1342/1342 1342 ± 0.00004241 5.65 5.378/6.614 5.791 ± 0.9383
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 5.448 5.312/5.742 5.473 ± 0.268
5 1342 1342/1342 1342 ± 0.00002471 5.362 5.169/5.546 5.377 ± 0.276
6 1342 1342/1342 1342 ± 0.00002348 5.388 5.176/5.561 5.337 ± 0.2827
7 1342 1342/1342 1342 ± 0.00002348 5.354 5.164/5.511 5.341 ± 0.2667
8 1342 1342/1342 1342 ± 0.00002348 5.335 5.131/5.467 5.29 ± 0.2855
9 1342 1342/1342 1342 ± 0.00002396 5.6 5.403/5.874 5.602 ± 0.3133
10 1342 1342/1342 1342 ± 0.00002348 6.081 5.876/6.253 6.041 ± 0.3224
11 1342 1342/1342 1342 ± 0.00002348 6.365 6.224/6.501 6.309 ± 0.3349
12 1342 1342/1342 1342 ± 0.00002348 6.545 6.339/6.758 6.51 ± 0.3686
13 1342 1342/1342 1342 ± 0.00002348 6.947 6.738/7.073 6.898 ± 0.3944
14 1342 1342/1342 1342 ± 0.00002348 7.013 6.856/7.276 6.991 ± 0.4697
15 1342 1342/1342 1342 ± 0.00002398 6.725 6.537/6.958 6.68 ± 0.4515
16 1342 1342/1342 1342 ± 0.00005615 4.177 4.026/4.341 4.185 ± 0.2084
17 1342 1342/1342 1342 ± 0.00005172 4.155 3.993/4.404 4.204 ± 0.3077
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2024-11-01 17:41:37.633
End
2024-11-01 18:35:17.989
Duration
0:53:40.355
Note, WebLog generation is not included in the time.

CASA logs for stage 8