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 5.394 5.263/5.978 5.465 ± 0.7708
ea02 1342 1342/1342 1342 ± 0.00004124 5.972 5.431/6.745 5.867 ± 1.005
ea04 1342 1342/1342 1342 ± 0.000007446 5.36 5.086/6.095 5.413 ± 0.8738
ea05 1342 1342/1342 1342 ± 0.000009629 5.525 5.084/6.292 5.631 ± 0.7663
ea06 1342 1342/1342 1342 ± 0.0000111 4.889 4.753/5.3 4.79 ± 0.7044
ea07 1342 1342/1342 1342 ± 0.00004282 5.862 5.342/6.305 5.722 ± 0.8696
ea08 1342 1342/1342 1342 ± 0.00004264 6.131 5.65/6.856 6.033 ± 1.013
ea09 1342 1342/1342 1342 ± 0.000018 5.693 5.167/6.594 5.712 ± 0.8157
ea10 1342 1342/1342 1342 ± 0.00004424 5.969 5.37/6.696 5.79 ± 0.966
ea11 1342 1342/1342 1342 ± 0.00004351 5.901 5.291/6.574 5.713 ± 0.9759
ea12 1342 1342/1342 1342 ± 0.00001388 5.81 5.452/6.637 5.774 ± 1.133
ea13 1342 1342/1342 1342 ± 0.00001784 5.95 5.722/6.49 6.037 ± 0.7595
ea14 1342 1342/1342 1342 ± 0.000008358 5.643 5.047/6.395 5.606 ± 0.8118
ea15 1342 1342/1342 1342 ± 0.000003308 5.415 5.089/6.332 5.583 ± 0.9613
ea16 1342 1342/1342 1342 ± 0.00001762 5.984 5.487/6.84 5.948 ± 0.9514
ea17 1342 1342/1342 1342 ± 0.00004388 5.943 5.496/6.63 5.856 ± 0.9937
ea18 1342 1342/1342 1342 ± 0.00003915 5.017 4.518/5.739 4.985 ± 0.7358
ea19 1342 1342/1342 1342 ± 0 5.765 5.529/6.843 5.963 ± 0.8124
ea20 1342 1342/1342 1342 ± 0.00002953 5.932 5.822/6.963 6.028 ± 1.152
ea21 1342 1342/1342 1342 ± 0.00001481 5.616 5.4/6.293 5.607 ± 0.7888
ea22 1342 1342/1342 1342 ± 0.00002969 5.375 5.175/6.448 5.593 ± 0.8379
ea23 1342 1342/1342 1342 ± 0.00003759 5.737 5.483/6.407 5.753 ± 0.8673
ea25 1342 1342/1342 1342 ± 0.00004266 5.498 5.275/6.352 5.532 ± 0.8719
ea26 1342 1342/1342 1342 ± 0.00002237 5.967 5.816/7.033 6.165 ± 0.8926
ea27 1342 1342/1342 1342 ± 0.00004391 5.607 5.184/6.487 5.582 ± 0.9015
ea28 1342 1342/1342 1342 ± 0.00004313 5.699 5.481/6.63 5.773 ± 0.9159
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 ± 0.00002364 5.457 5.315/5.758 5.501 ± 0.2707
5 1342 1342/1342 1342 ± 0.00002364 5.456 5.184/5.599 5.407 ± 0.3541
6 1342 1342/1342 1342 ± 0.00002558 5.291 5.078/5.431 5.259 ± 0.2842
7 1342 1342/1342 1342 ± 0.00002364 5.437 5.292/5.576 5.423 ± 0.2729
8 1342 1342/1342 1342 ± 0.00002364 5.421 5.192/5.543 5.367 ± 0.2906
9 1342 1342/1342 1342 ± 0.00002364 5.656 5.457/5.944 5.655 ± 0.339
10 1342 1342/1342 1342 ± 0.00002364 6.105 5.882/6.284 6.067 ± 0.3391
11 1342 1342/1342 1342 ± 0.00002364 6.402 6.262/6.532 6.346 ± 0.3432
12 1342 1342/1342 1342 ± 0.00002364 6.601 6.399/6.792 6.543 ± 0.3815
13 1342 1342/1342 1342 ± 0.00002368 6.819 6.621/7.051 6.792 ± 0.401
14 1342 1342/1342 1342 ± 0.00002754 6.624 6.269/7.021 6.612 ± 0.5245
15 1342 1342/1342 1342 ± 0.0000242 6.706 6.458/6.975 6.645 ± 0.4888
16 1342 1342/1342 1342 ± 0.00006065 3.829 3.664/4.12 3.906 ± 0.3511
17 1342 1342/1342 1342 ± 0.00006097 4.055 3.902/4.248 4.073 ± 0.343
datacolumn
residual_data
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2024-11-01 18:56:08.228
End
2024-11-01 19:48:42.620
Duration
0:52:34.392
Note, WebLog generation is not included in the time.

CASA logs for stage 8