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

Statwt Summary Plot

VLASS2.1.sb38541375.eb38627613.59093.84554634259_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 5.597 5.33/6.031 5.721 ± 0.5215
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.571 5.21/6.034 5.683 ± 0.526
ea05 1342 1342/1342 1342 ± 0 5.684 5.404/6.287 5.838 ± 0.5608
ea06 1342 1342/1342 1342 ± 0 5.049 4.892/5.454 5.164 ± 0.3719
ea07 1342 1342/1342 1342 ± 0 5.812 5.491/6.271 5.986 ± 0.5546
ea08 1342 1342/1342 1342 ± 0 5.823 5.521/6.607 6.065 ± 0.6663
ea09 1342 1342/1342 1342 ± 0 5.691 5.242/6.385 5.777 ± 0.6077
ea10 1342 1342/1342 1342 ± 0 5.673 5.337/6.573 5.892 ± 0.6692
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.871 5.44/6.358 6.014 ± 0.6159
ea13 1342 1342/1342 1342 ± 0 6.004 5.728/6.302 6.073 ± 0.4654
ea14 1342 1342/1342 1342 ± 0 5.753 5.274/6.35 5.818 ± 0.6296
ea15 1342 1342/1342 1342 ± 0 5.622 5.155/6.18 5.728 ± 0.6556
ea16 1342 1342/1342 1342 ± 0 6.165 5.73/6.605 6.257 ± 0.6881
ea17 1342 1342/1342 1342 ± 0.000002323 6.002 5.647/6.494 6.132 ± 0.5989
ea18 1342 1342/1342 1342 ± 0 5.099 4.831/5.514 5.185 ± 0.5105
ea19 1342 1342/1342 1342 ± 0 5.997 5.599/6.598 6.147 ± 0.6005
ea20 1342 1342/1342 1342 ± 0 6.141 5.81/6.794 6.273 ± 0.6375
ea21 1342 1342/1342 1342 ± 0 5.58 5.391/6.223 5.783 ± 0.5092
ea22 1342 1342/1342 1342 ± 0 5.658 5.247/6.341 5.797 ± 0.6262
ea23 1342 1342/1342 1342 ± 0 5.951 5.53/6.605 6.107 ± 0.6581
ea25 1342 1342/1342 1342 ± 0.000001667 5.54 5.246/6.113 5.693 ± 0.5514
ea26 1342 1342/1342 1342 ± 0 5.934 5.677/6.633 6.11 ± 0.6423
ea27 1342 1342/1342 1342 ± 0.00003592 5.566 5.308/6.362 5.753 ± 0.5914
ea28 1342 1342/1342 1342 ± 0 5.592 5.372/6.35 5.816 ± 0.6151
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 ± 0.0000244 5.494 5.268/5.667 5.462 ± 0.2504
3 1342 1342/1342 1342 ± 0.00002608 5.085 4.929/5.389 5.144 ± 0.2732
4 1342 1342/1342 1342 ± 0.00002463 5.205 5.013/5.421 5.202 ± 0.3269
5 1342 1342/1342 1342 ± 0.00002444 5.417 5.189/5.547 5.384 ± 0.3019
6 1342 1342/1342 1342 ± 0.0000244 5.394 5.183/5.576 5.369 ± 0.2835
7 1342 1342/1342 1342 ± 0.0000244 5.398 5.279/5.591 5.404 ± 0.2439
8 1342 1342/1342 1342 ± 0.0000244 5.386 5.158/5.57 5.35 ± 0.2767
9 1342 1342/1342 1342 ± 0.0000244 5.602 5.467/5.922 5.622 ± 0.3074
10 1342 1342/1342 1342 ± 0.0000244 6.048 5.934/6.263 6.034 ± 0.3013
11 1342 1342/1342 1342 ± 0.0000244 6.304 6.164/6.512 6.259 ± 0.3219
12 1342 1342/1342 1342 ± 0.0000244 6.418 6.236/6.617 6.399 ± 0.3462
13 1342 1342/1342 1342 ± 0.0000244 6.806 6.678/7.111 6.817 ± 0.36
14 1342 1342/1342 1342 ± 0.0000244 6.935 6.778/7.282 6.974 ± 0.391
15 1342 1342/1342 1342 ± 0.0000244 6.658 6.415/6.815 6.565 ± 0.3801
16 1342 1342/1342 1342 ± 0.00003142 5.933 5.742/6.198 5.925 ± 0.3282
17 1342 1342/1342 1342 ± 0.00003234 5.842 5.695/6.079 5.856 ± 0.2973
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms
Start time
2024-05-01 06:45:58.989
End
2024-05-01 07:41:06.010
Duration
0:55:07.020
Note, WebLog generation is not included in the time.

CASA logs for stage 7