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

Statwt Summary Plot

VLASS2.1.sb38508014.eb38518655.59051.788119143515_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 5.368 5.216/6.194 5.605 ± 0.6152
ea02 1342 1342/1342 1342 ± 0.00002962 5.741 5.313/6.567 5.923 ± 0.7309
ea04 1342 1342/1342 1342 ± 0.00001874 5.165 4.992/5.856 5.413 ± 0.5866
ea05 1342 1342/1342 1342 ± 0 5.444 5.197/6.475 5.738 ± 0.6936
ea06 1342 1342/1342 1342 ± 0.00002513 4.926 4.744/5.622 5.121 ± 0.5236
ea07 1342 1342/1342 1342 ± 0.00004269 5.651 5.28/6.179 5.722 ± 0.7344
ea08 1342 1342/1342 1342 ± 0.00003864 5.721 5.442/6.594 5.941 ± 0.7207
ea09 1342 1342/1342 1342 ± 0.000001664 5.119 4.902/5.777 5.291 ± 0.5085
ea10 1342 1342/1342 1342 ± 0.00004295 4.9 4.571/5.623 5.06 ± 0.5562
ea11 1342 1342/1342 1342 ± 0.00004188 5.792 5.35/6.551 5.901 ± 0.7472
ea12 1342 1342/1342 1342 ± 0.00002982 5.476 5.178/6.105 5.622 ± 0.6471
ea13 1342 1342/1342 1342 ± 0 5.681 5.574/6.19 5.861 ± 0.4704
ea14 1342 1342/1342 1342 ± 0.00002408 5.555 5.195/6.472 5.81 ± 0.7692
ea15 1342 1342/1342 1342 ± 0.00001035 5.359 5.199/6.324 5.722 ± 0.7125
ea16 1342 1342/1342 1342 ± 0 5.808 5.402/6.437 5.939 ± 0.7915
ea17 1342 1342/1342 1342 ± 0.00004409 5.795 5.389/6.503 5.903 ± 0.7333
ea18 1342 1342/1342 1342 ± 0.00003946 4.901 4.603/5.542 5.082 ± 0.599
ea19 1342 1342/1342 1342 ± 0.00001151 5.638 5.418/6.748 5.974 ± 0.7718
ea20 1342 1342/1342 1342 ± 0.00003334 5.713 5.651/6.488 5.94 ± 0.7526
ea21 1342 1342/1342 1342 ± 0.00001239 5.506 5.175/6.212 5.632 ± 0.6671
ea22 1342 1342/1342 1342 ± 0.000005066 5.412 5.12/6.303 5.727 ± 0.6782
ea23 1342 1342/1342 1342 ± 0.00004272 5.664 5.304/6.566 5.903 ± 0.8303
ea24 1342 1342/1342 1342 ± 0 5.083 4.849/6.038 5.382 ± 0.5941
ea25 1342 1342/1342 1342 ± 0.000044 5.326 5.079/6.17 5.585 ± 0.6525
ea26 1342 1342/1342 1342 ± 0 5.709 5.55/6.749 6.062 ± 0.7065
ea27 1342 1342/1342 1342 ± 0.00004417 5.556 5.2/6.441 5.7 ± 0.6912
ea28 1342 1342/1342 1342 ± 0.00004272 5.598 5.373/6.586 5.881 ± 0.7762
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 ± 0.00002305 5.387 5.182/5.549 5.295 ± 0.3005
5 1342 1342/1342 1342 ± 0.00002369 5.291 5.05/5.478 5.245 ± 0.3512
6 1342 1342/1342 1342 ± 0.00002305 5.28 5.027/5.439 5.246 ± 0.286
7 1342 1342/1342 1342 ± 0.00002305 5.298 5.101/5.459 5.255 ± 0.2816
8 1342 1342/1342 1342 ± 0.00002305 5.299 4.987/5.429 5.224 ± 0.3204
9 1342 1342/1342 1342 ± 0.00002305 5.586 5.239/5.826 5.497 ± 0.3455
10 1342 1342/1342 1342 ± 0.00002305 6.061 5.821/6.146 5.951 ± 0.3172
11 1342 1342/1342 1342 ± 0.00002305 6.296 6.039/6.48 6.224 ± 0.3342
12 1342 1342/1342 1342 ± 0.00002305 6.473 6.181/6.599 6.384 ± 0.3587
13 1342 1342/1342 1342 ± 0.00002305 6.933 6.479/7.124 6.816 ± 0.4225
14 1342 1342/1342 1342 ± 0.00002955 7.038 6.58/7.182 6.861 ± 0.4787
15 1342 1342/1342 1342 ± 0.00002305 6.418 6.092/6.651 6.34 ± 0.4583
16 1342 1342/1342 1342 ± 0.00006083 4.667 4.524/4.813 4.67 ± 0.2279
17 1342 1342/1342 1342 ± 0.00006002 4.999 4.84/5.215 5.024 ± 0.3071
output_dir
 
vis
VLASS2.1.sb38508014.eb38518655.59051.788119143515_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-01 00:56:02.930
End
2025-01-01 01:28:04.321
Duration
0:32:01.391
Note, WebLog generation is not included in the time.

CASA logs for stage 8