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

Statwt Summary Plot

VLASS2.1.sb38550653.eb38589596.59083.30140427084_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 5.694 5.368/6.091 5.75 ± 0.451
ea02 1342 1342/1342 1342 ± 0 5.921 5.604/6.703 6.151 ± 0.6004
ea04 1342 1342/1342 1342 ± 0 5.539 5.155/6.069 5.641 ± 0.5318
ea05 1342 1342/1342 1342 ± 0 5.954 5.413/6.496 5.931 ± 0.5865
ea06 1342 1342/1342 1342 ± 0 4.915 4.65/5.381 5.01 ± 0.4118
ea07 1342 1342/1342 1342 ± 0.00000989 5.779 5.503/6.278 5.953 ± 0.5535
ea08 1342 1342/1342 1342 ± 0 5.832 5.708/6.733 6.211 ± 0.6194
ea09 1342 1342/1342 1342 ± 0 5.926 5.363/6.567 5.979 ± 0.6191
ea10 1342 1342/1342 1342 ± 0.0000247 5.616 5.216/6.387 5.793 ± 0.5703
ea11 1342 1342/1342 1342 ± 0 5.92 5.277/6.363 5.913 ± 0.6022
ea12 1342 1342/1342 1342 ± 0 6.028 5.453/6.501 6.063 ± 0.6164
ea13 1342 1342/1342 1342 ± 0 6.336 5.828/6.447 6.25 ± 0.4708
ea14 1342 1342/1342 1342 ± 0 5.819 5.355/6.496 5.908 ± 0.6446
ea15 1342 1342/1342 1342 ± 0 5.756 5.108/6.189 5.744 ± 0.6953
ea16 1342 1342/1342 1342 ± 0 6.158 5.81/6.889 6.322 ± 0.6717
ea17 1342 1342/1342 1342 ± 0 6.065 5.659/6.538 6.15 ± 0.5769
ea18 1342 1342/1342 1342 ± 0 5.228 4.842/5.698 5.249 ± 0.5149
ea19 1342 1342/1342 1342 ± 0 6.256 5.605/6.771 6.192 ± 0.6261
ea20 1342 1342/1342 1342 ± 0 6.411 5.75/6.855 6.325 ± 0.6402
ea21 1342 1342/1342 1342 ± 0 5.712 5.478/6.402 5.903 ± 0.5525
ea22 1342 1342/1342 1342 ± 0 5.972 5.379/6.459 5.963 ± 0.5982
ea23 1342 1342/1342 1342 ± 0 5.985 5.594/6.589 6.134 ± 0.6432
ea25 1342 1342/1342 1342 ± 0 5.737 5.323/6.175 5.82 ± 0.5834
ea26 1342 1342/1342 1342 ± 0 6.327 5.732/6.835 6.293 ± 0.5776
ea27 1342 1342/1342 1342 ± 0.00004152 5.739 5.363/6.373 5.878 ± 0.5698
ea28 1342 1342/1342 1342 ± 0 5.783 5.507/6.53 6.01 ± 0.5922
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 ± 0.00002353 5.385 5.232/5.634 5.394 ± 0.2543
4 1342 1342/1342 1342 ± 0.00002373 5.305 5.197/5.591 5.313 ± 0.3906
5 1342 1342/1342 1342 ± 0.00002353 5.455 5.26/5.603 5.437 ± 0.3277
6 1342 1342/1342 1342 ± 0.00002353 5.365 5.142/5.56 5.351 ± 0.3009
7 1342 1342/1342 1342 ± 0.00002353 5.495 5.23/5.619 5.43 ± 0.2878
8 1342 1342/1342 1342 ± 0.00002353 5.482 5.202/5.579 5.388 ± 0.3042
9 1342 1342/1342 1342 ± 0.00002353 5.73 5.554/5.924 5.667 ± 0.3387
10 1342 1342/1342 1342 ± 0.00002353 6.147 5.974/6.263 6.087 ± 0.3187
11 1342 1342/1342 1342 ± 0.00002353 6.385 6.191/6.462 6.312 ± 0.3367
12 1342 1342/1342 1342 ± 0.00002353 6.504 6.357/6.684 6.46 ± 0.3555
13 1342 1342/1342 1342 ± 0.00002353 6.942 6.821/7.115 6.897 ± 0.3818
14 1342 1342/1342 1342 ± 0.00002353 7.051 6.901/7.28 7.023 ± 0.4148
15 1342 1342/1342 1342 ± 0.00002356 6.543 6.35/6.791 6.5 ± 0.372
16 1342 1342/1342 1342 ± 0.00003664 5.909 5.749/6.138 5.926 ± 0.3342
17 1342 1342/1342 1342 ± 0.00003369 5.997 5.769/6.183 5.961 ± 0.3253
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38550653.eb38589596.59083.30140427084_split_split.ms
statwtmode
VLASS-SE
Start time
2024-05-17 03:22:25.864
End
2024-05-17 04:19:54.935
Duration
0:57:29.071
Note, WebLog generation is not included in the time.

CASA logs for stage 8