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

Statwt Summary Plot

VLASS2.1.sb38500385.eb38635359.59099.351010810184_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 5.202 4.919/5.985 5.396 ± 0.7203
ea02 1342 1342/1342 1342 ± 0.0000427 5.409 5.106/6.551 5.752 ± 0.8877
ea04 1342 1342/1342 1342 ± 0.0000137 5.209 4.971/5.838 5.386 ± 0.702
ea05 1342 1342/1342 1342 ± 0.00001715 5.029 4.81/6.31 5.534 ± 0.7869
ea06 1342 1342/1342 1342 ± 0.00003081 4.462 4.308/5.187 4.687 ± 0.5278
ea07 1342 1342/1342 1342 ± 0.0000428 6.106 5.101/6.724 5.781 ± 0.9255
ea08 1342 1342/1342 1342 ± 0.00004319 5.577 5.324/6.711 5.933 ± 0.9828
ea09 1342 1342/1342 1342 ± 0.000008344 5.339 5.03/6.415 5.692 ± 0.7482
ea10 1342 1342/1342 1342 ± 0.0000428 5.375 5.043/6.599 5.715 ± 0.9357
ea11 1342 1342/1342 1342 ± 0.00004395 5.359 4.978/6.35 5.607 ± 0.8845
ea12 1342 1342/1342 1342 ± 0.00003453 5.477 5.261/6.153 5.715 ± 0.804
ea13 1342 1342/1342 1342 ± 0 5.608 5.306/6.588 5.902 ± 0.701
ea14 1342 1342/1342 1342 ± 0.00004277 5.281 4.948/6.305 5.611 ± 0.8217
ea15 1342 1342/1342 1342 ± 0.00001399 5.005 4.859/6.046 5.41 ± 0.8016
ea16 1342 1342/1342 1342 ± 0.00002932 5.549 5.162/6.707 5.857 ± 1.042
ea17 1342 1342/1342 1342 ± 0.00004392 5.545 5.192/6.401 5.772 ± 0.9176
ea18 1342 1342/1342 1342 ± 0.00004362 4.671 4.5/5.358 4.946 ± 0.6057
ea19 1342 1342/1342 1342 ± 0.00003126 5.452 5.286/6.68 5.894 ± 0.8879
ea20 1342 1342/1342 1342 ± 0.0000431 5.754 5.499/6.681 5.978 ± 0.9064
ea21 1342 1342/1342 1342 ± 0.00003534 5.428 4.95/6.279 5.627 ± 0.7955
ea22 1342 1342/1342 1342 ± 0.00001968 5.251 4.872/6.336 5.554 ± 0.7538
ea23 1342 1342/1342 1342 ± 0.00004585 5.43 5.127/6.574 5.84 ± 0.9424
ea25 1342 1342/1342 1342 ± 0.00004414 5.352 4.87/6.04 5.478 ± 0.7954
ea26 1342 1342/1342 1342 ± 0.000008424 5.542 5.424/6.819 6.058 ± 0.8303
ea27 1342 1342/1342 1342 ± 0.00004238 5.328 5.021/6.348 5.606 ± 0.7953
ea28 1342 1342/1342 1342 ± 0.0000431 5.364 5.252/6.498 5.733 ± 0.9008
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 ± 0.00002366 4.95 4.816/5.2 4.989 ± 0.286
3 1342 1342/1342 1342 ± 0.00004027 5.386 5.138/5.946 5.599 ± 0.672
6 1342 1342/1342 1342 ± 0.00002366 5.226 4.973/5.296 5.14 ± 0.2861
7 1342 1342/1342 1342 ± 0.00002366 5.235 5.083/5.321 5.177 ± 0.2751
8 1342 1342/1342 1342 ± 0.00002366 5.157 5.01/5.29 5.119 ± 0.2958
9 1342 1342/1342 1342 ± 0.00002412 5.34 5.001/5.438 5.233 ± 0.3213
10 1342 1342/1342 1342 ± 0.00002366 5.951 5.752/6.111 5.922 ± 0.3237
11 1342 1342/1342 1342 ± 0.00002366 6.212 6.052/6.357 6.176 ± 0.3369
12 1342 1342/1342 1342 ± 0.00002366 6.422 6.268/6.61 6.377 ± 0.3679
13 1342 1342/1342 1342 ± 0.00002366 6.746 6.619/7.027 6.758 ± 0.4067
14 1342 1342/1342 1342 ± 0.00002366 7.095 6.841/7.298 6.989 ± 0.4546
15 1342 1342/1342 1342 ± 0.00002369 6.449 6.006/6.787 6.363 ± 0.5778
16 1342 1342/1342 1342 ± 0.00005752 4.352 4.178/4.591 4.385 ± 0.2929
17 1342 1342/1342 1342 ± 0.00005885 4.465 4.335/4.728 4.542 ± 0.3115
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms
Start time
2025-01-08 10:30:10.965
End
2025-01-08 10:56:02.299
Duration
0:25:51.334
Note, WebLog generation is not included in the time.

CASA logs for stage 8