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

Statwt Summary Plot

VLASS2.1.sb38613707.eb38659860.59113.15663519676_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 5.981 5.385/6.18 5.876 ± 0.5612
ea02 1342 1342/1342 1342 ± 0 5.948 5.53/6.687 6.156 ± 0.6343
ea04 1342 1342/1342 1342 ± 0 5.649 5.162/6.312 5.744 ± 0.5961
ea05 1342 1342/1342 1342 ± 0 6.06 5.444/6.556 5.944 ± 0.6317
ea06 1342 1342/1342 1342 ± 0 4.947 4.712/5.284 5 ± 0.3415
ea07 1342 1342/1342 1342 ± 0 6.232 5.524/6.336 6.126 ± 0.5997
ea08 1342 1342/1342 1342 ± 0.000001556 6.034 5.687/6.919 6.351 ± 0.7128
ea09 1342 1342/1342 1342 ± 0 5.876 5.324/6.609 5.954 ± 0.6426
ea10 1342 1342/1342 1342 ± 0 6.125 5.419/6.798 6.11 ± 0.7141
ea11 1342 1342/1342 1342 ± 0 6.076 5.307/6.543 6.036 ± 0.7002
ea12 1342 1342/1342 1342 ± 0 5.486 5.415/5.601 5.52 ± 0.1292
ea13 1342 1342/1342 1342 ± 0 6.524 6.01/6.592 6.454 ± 0.493
ea14 1342 1342/1342 1342 ± 0 6.094 5.408/6.585 6.048 ± 0.7089
ea15 1342 1342/1342 1342 ± 0 5.99 5.422/6.488 6.045 ± 0.6957
ea16 1342 1342/1342 1342 ± 0 6.326 5.755/6.875 6.418 ± 0.7439
ea17 1342 1342/1342 1342 ± 0.000004116 6.127 5.656/7.011 6.252 ± 0.6524
ea18 1342 1342/1342 1342 ± 0 5.16 4.733/5.596 5.193 ± 0.5444
ea19 1342 1342/1342 1342 ± 0 6.353 5.697/6.891 6.375 ± 0.6853
ea20 1342 1342/1342 1342 ± 0 6.422 5.768/6.896 6.377 ± 0.6545
ea21 1342 1342/1342 1342 ± 0 6.039 5.494/6.483 6.031 ± 0.5955
ea22 1342 1342/1342 1342 ± 0 5.667 5.318/6.391 5.9 ± 0.6515
ea23 1342 1342/1342 1342 ± 0 6.293 5.603/6.696 6.257 ± 0.7174
ea25 1342 1342/1342 1342 ± 0 5.714 5.401/6.409 5.896 ± 0.6015
ea26 1342 1342/1342 1342 ± 0 6.3 5.749/7.099 6.374 ± 0.6706
ea27 1342 1342/1342 1342 ± 0.000005818 5.782 5.434/6.542 5.93 ± 0.6089
ea28 1342 1342/1342 1342 ± 0.00001907 5.974 5.594/6.676 6.157 ± 0.6627
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 5.488 5.36/5.754 5.5 ± 0.2861
4 1342 1342/1342 1342 ± 0.00002392 5.281 5.136/5.513 5.31 ± 0.3474
5 1342 1342/1342 1342 ± 0.00002348 5.479 5.219/5.62 5.471 ± 0.3482
6 1342 1342/1342 1342 ± 0.00002348 5.43 5.245/5.552 5.396 ± 0.3457
7 1342 1342/1342 1342 ± 0.00002348 5.472 5.317/5.654 5.454 ± 0.2865
8 1342 1342/1342 1342 ± 0.00002348 5.491 5.241/5.636 5.423 ± 0.3087
9 1342 1342/1342 1342 ± 0.00002348 5.785 5.581/5.989 5.705 ± 0.3512
10 1342 1342/1342 1342 ± 0.00002392 6.225 6.049/6.346 6.147 ± 0.3526
11 1342 1342/1342 1342 ± 0.00002392 6.453 6.234/6.585 6.362 ± 0.3676
12 1342 1342/1342 1342 ± 0.00002439 6.563 6.391/6.788 6.522 ± 0.4069
13 1342 1342/1342 1342 ± 0.00002392 7.035 6.973/7.297 7.006 ± 0.432
14 1342 1342/1342 1342 ± 0.00002392 7.29 7.062/7.488 7.193 ± 0.4776
15 1342 1342/1342 1342 ± 0.00002392 6.919 6.708/7.14 6.824 ± 0.4702
16 1342 1342/1342 1342 ± 0.00002571 6.133 5.981/6.422 6.133 ± 0.4088
17 1342 1342/1342 1342 ± 0.00002676 6.149 5.965/6.445 6.153 ± 0.4149
vis
VLASS2.1.sb38613707.eb38659860.59113.15663519676_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2024-04-19 03:40:53.306
End
2024-04-19 04:10:37.789
Duration
0:29:44.483
Note, WebLog generation is not included in the time.

CASA logs for stage 7