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

Statwt Summary Plot

VLASS2.2.sb40493634.eb40941789.59520.06707907407_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 5.884 5.566/6.539 6.091 ± 0.6158
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.79 5.203/6.601 5.916 ± 0.677
ea06 1342 1342/1342 1342 ± 0 6.11 5.424/6.394 5.989 ± 0.5961
ea07 1342 1342/1342 1342 ± 0 6.092 5.358/6.377 6.014 ± 0.6406
ea08 1342 1342/1342 1342 ± 0.00003103 5.896 5.612/6.631 6.147 ± 0.6488
ea09 1342 1342/1342 1342 ± 0.00002406 5.743 5.286/6.656 5.931 ± 0.6916
ea10 1342 1342/1342 1342 ± 0 6.131 5.389/6.736 6.112 ± 0.6465
ea11 1342 1342/1342 1342 ± 0 6.019 5.348/6.569 6.052 ± 0.6837
ea12 1342 1342/1342 1342 ± 0 6.137 5.503/6.611 6.134 ± 0.6684
ea13 1342 1342/1342 1342 ± 0.00002998 5.803 5.685/6.357 6.067 ± 0.5074
ea14 1342 1342/1342 1342 ± 0 6.315 5.709/6.867 6.363 ± 0.7254
ea15 1342 1342/1342 1342 ± 0 5.641 5.031/6.019 5.577 ± 0.6337
ea16 1342 1342/1342 1342 ± 0 6.368 5.641/6.797 6.355 ± 0.7688
ea17 1342 1342/1342 1342 ± 0 6.503 5.836/7.24 6.559 ± 0.7291
ea18 1342 1342/1342 1342 ± 0 5.024 4.634/5.465 5.066 ± 0.5391
ea19 1342 1342/1342 1342 ± 0 6.45 5.734/7.025 6.442 ± 0.7097
ea20 1342 1342/1342 1342 ± 0.00001695 6.019 5.648/6.855 6.192 ± 0.6534
ea21 1342 1342/1342 1342 ± 0 6.167 5.494/6.547 6.101 ± 0.6343
ea22 1342 1342/1342 1342 ± 0 6.24 5.389/6.62 6.074 ± 0.6919
ea23 1342 1342/1342 1342 ± 0 6.017 5.604/6.713 6.226 ± 0.7011
ea24 1342 1342/1342 1342 ± 0.000001098 5.466 4.946/6.182 5.538 ± 0.5949
ea26 1342 1342/1342 1342 ± 0.000008644 5.989 5.573/6.935 6.221 ± 0.6975
ea27 1342 1342/1342 1342 ± 0.00001525 6.028 5.537/6.936 6.157 ± 0.7359
ea28 1342 1342/1342 1342 ± 0.00002201 6.04 5.709/6.894 6.336 ± 0.7343
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 ± 0.00002439 5.469 5.37/5.633 5.46 ± 0.2868
4 1342 1342/1342 1342 ± 0.00002885 5.256 5.074/5.357 5.162 ± 0.3393
5 1342 1342/1342 1342 ± 0.00002439 5.495 5.226/5.614 5.411 ± 0.3222
6 1342 1342/1342 1342 ± 0.00002439 5.441 5.246/5.59 5.387 ± 0.2689
7 1342 1342/1342 1342 ± 0.00002439 5.496 5.362/5.669 5.468 ± 0.2774
8 1342 1342/1342 1342 ± 0.00002439 5.427 5.303/5.698 5.418 ± 0.3139
9 1342 1342/1342 1342 ± 0.00002439 5.805 5.6/5.947 5.723 ± 0.3198
10 1342 1342/1342 1342 ± 0.00002439 6.273 6.161/6.367 6.179 ± 0.3289
11 1342 1342/1342 1342 ± 0.00002439 6.468 6.32/6.639 6.423 ± 0.337
12 1342 1342/1342 1342 ± 0.00002439 6.619 6.332/6.816 6.578 ± 0.3679
13 1342 1342/1342 1342 ± 0.00002439 7.027 6.867/7.301 7.03 ± 0.3996
14 1342 1342/1342 1342 ± 0.00002439 7.292 7.114/7.497 7.24 ± 0.3934
15 1342 1342/1342 1342 ± 0.00002439 6.957 6.73/7.244 6.911 ± 0.382
16 1342 1342/1342 1342 ± 0.00002439 6.242 5.994/6.38 6.21 ± 0.3885
17 1342 1342/1342 1342 ± 0.00004806 6.083 5.793/6.36 6.118 ± 0.4175
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms
Start time
2025-04-19 10:22:44.636
End
2025-04-19 11:28:56.183
Duration
1:06:11.548
Note, WebLog generation is not included in the time.

CASA logs for stage 8