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

Statwt Summary Plot

VLASS2.1.sb38619162.eb38631105.59096.06071193287_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 5.56 5.258/6.008 5.686 ± 0.5345
ea02 1342 1342/1342 1342 ± 0 5.711 5.375/6.435 5.932 ± 0.671
ea04 1342 1342/1342 1342 ± 0 5.431 5.092/6.031 5.604 ± 0.5718
ea05 1342 1342/1342 1342 ± 0 5.68 5.245/6.131 5.747 ± 0.5796
ea06 1342 1342/1342 1342 ± 0 4.999 4.846/5.399 5.117 ± 0.3717
ea07 1342 1342/1342 1342 ± 0 6.109 5.433/6.211 6.015 ± 0.5781
ea08 1342 1342/1342 1342 ± 0 5.721 5.477/6.579 6.042 ± 0.6859
ea09 1342 1342/1342 1342 ± 0 5.648 5.167/6.241 5.735 ± 0.6159
ea10 1342 1342/1342 1342 ± 0 5.957 5.31/6.619 5.963 ± 0.6766
ea11 1342 1342/1342 1342 ± 0 5.785 5.147/6.35 5.842 ± 0.6587
ea12 1342 1342/1342 1342 ± 0 5.938 5.323/6.407 5.992 ± 0.6699
ea13 1342 1342/1342 1342 ± 0 6.283 5.778/6.345 6.164 ± 0.5219
ea14 1342 1342/1342 1342 ± 0 5.928 5.224/6.324 5.88 ± 0.6589
ea15 1342 1342/1342 1342 ± 0 5.561 5.106/6.182 5.739 ± 0.6827
ea16 1342 1342/1342 1342 ± 0 6.059 5.66/6.75 6.26 ± 0.7151
ea17 1342 1342/1342 1342 ± 0.000005455 5.963 5.541/6.481 6.093 ± 0.6303
ea18 1342 1342/1342 1342 ± 0 5.126 4.726/5.598 5.159 ± 0.5198
ea19 1342 1342/1342 1342 ± 0 5.966 5.531/6.658 6.161 ± 0.6715
ea20 1342 1342/1342 1342 ± 0 6.234 5.677/6.885 6.26 ± 0.6303
ea21 1342 1342/1342 1342 ± 0 5.656 5.314/6.18 5.799 ± 0.5506
ea22 1342 1342/1342 1342 ± 0 5.437 5.195/6.318 5.747 ± 0.6469
ea23 1342 1342/1342 1342 ± 0 6.148 5.474/6.535 6.108 ± 0.6767
ea25 1342 1342/1342 1342 ± 0.000004005 5.455 5.216/6.022 5.631 ± 0.5981
ea26 1342 1342/1342 1342 ± 0 6.112 5.635/6.881 6.178 ± 0.6577
ea27 1342 1342/1342 1342 ± 0.00003602 5.518 5.252/6.361 5.75 ± 0.587
ea28 1342 1342/1342 1342 ± 0.00003239 5.669 5.361/6.375 5.87 ± 0.6366
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 5.338 5.204/5.633 5.381 ± 0.2562
3 1342 1342/1342 1342 ± 0.00002955 5.147 5.033/5.482 5.221 ± 0.2817
4 1342 1342/1342 1342 ± 0.00002348 5.213 5.088/5.424 5.226 ± 0.3091
5 1342 1342/1342 1342 ± 0.00002348 5.359 5.11/5.533 5.344 ± 0.3079
6 1342 1342/1342 1342 ± 0.00002348 5.277 5.062/5.468 5.261 ± 0.2791
7 1342 1342/1342 1342 ± 0.00002348 5.318 5.184/5.481 5.321 ± 0.2515
8 1342 1342/1342 1342 ± 0.00002348 5.326 5.102/5.446 5.275 ± 0.2674
9 1342 1342/1342 1342 ± 0.00002348 5.565 5.379/5.823 5.551 ± 0.3127
10 1342 1342/1342 1342 ± 0.00002348 6.005 5.835/6.198 5.993 ± 0.3011
11 1342 1342/1342 1342 ± 0.00002348 6.287 6.111/6.379 6.212 ± 0.3153
12 1342 1342/1342 1342 ± 0.00002348 6.406 6.215/6.583 6.372 ± 0.3424
13 1342 1342/1342 1342 ± 0.00002348 6.81 6.717/7.065 6.825 ± 0.364
14 1342 1342/1342 1342 ± 0.00002348 7.065 6.834/7.279 7.017 ± 0.3992
15 1342 1342/1342 1342 ± 0.00002348 6.743 6.501/6.913 6.653 ± 0.4021
16 1342 1342/1342 1342 ± 0.0000365 5.979 5.614/6.28 5.937 ± 0.3975
17 1342 1342/1342 1342 ± 0.00003418 5.988 5.689/6.223 5.957 ± 0.3749
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.1.sb38619162.eb38631105.59096.06071193287_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2025-02-05 08:07:56.940
End
2025-02-05 08:34:26.412
Duration
0:26:29.472
Note, WebLog generation is not included in the time.

CASA logs for stage 8