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

Statwt Summary Plot

VLASS3.2.sb45620914.eb45877486.60435.49343803241_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 6.199 5.492/6.557 6.028 ± 0.8432
ea02 1342 1342/1342 1342 ± 0.00002955 6.116 5.518/6.388 6.015 ± 0.7275
ea03 1342 1342/1342 1342 ± 0 6.036 5.444/6.648 6.055 ± 0.7002
ea04 1342 1342/1342 1342 ± 0 5.502 5.065/5.986 5.479 ± 0.7473
ea05 1342 1342/1342 1342 ± 0 5.849 5.29/6.487 5.867 ± 0.7765
ea06 1342 1342/1342 1342 ± 0 5.826 5.065/6.085 5.699 ± 0.6461
ea07 1342 1342/1342 1342 ± 0 5.848 5.132/6.289 5.783 ± 0.8354
ea08 1342 1342/1342 1342 ± 0 6.32 5.58/6.751 6.25 ± 0.7272
ea09 1342 1342/1342 1342 ± 0 5.639 5.121/6.322 5.747 ± 0.627
ea10 1342 1342/1342 1342 ± 0 5.485 5.086/6.003 5.453 ± 0.7456
ea11 1342 1342/1342 1342 ± 0.000005229 5.337 5.03/6.188 5.486 ± 0.7752
ea13 1342 1342/1342 1342 ± 0 6.115 5.532/6.376 6.013 ± 0.5743
ea14 1342 1342/1342 1342 ± 0 5.968 5.573/6.532 6.094 ± 0.5634
ea15 1342 1342/1342 1342 ± 0.000002206 6.223 5.598/6.627 6.202 ± 0.6869
ea16 1342 1342/1342 1342 ± 0 6.212 5.649/6.759 6.233 ± 0.6849
ea17 1342 1342/1342 1342 ± 0 6.193 5.735/6.816 6.208 ± 0.865
ea18 1342 1342/1342 1342 ± 0 6.387 5.888/7.008 6.457 ± 0.7268
ea19 1342 1342/1342 1342 ± 0 5.856 5.372/6.462 5.878 ± 0.8163
ea20 1342 1342/1342 1342 ± 0 5.818 5.376/6.3 5.874 ± 0.6626
ea21 1342 1342/1342 1342 ± 0 5.528 5.158/6.003 5.613 ± 0.52
ea22 1342 1342/1342 1342 ± 0 6.149 5.542/6.607 6.146 ± 0.6907
ea23 1342 1342/1342 1342 ± 0 5.976 5.468/6.395 5.938 ± 0.8574
ea24 1342 1342/1342 1342 ± 0 6.093 5.329/6.492 5.908 ± 0.6042
ea25 1342 1342/1342 1342 ± 0 6.554 5.749/7.027 6.542 ± 0.7886
ea27 1342 1342/1342 1342 ± 0 5.756 5.283/6.485 5.867 ± 0.6276
ea28 1342 1342/1342 1342 ± 0 6.312 5.705/6.912 6.292 ± 0.6378
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 5.491 5.313/5.641 5.488 ± 0.2358
3 1342 1342/1342 1342 ± 0.00003144 4.049 3.759/4.712 4.255 ± 0.6489
4 1342 1342/1342 1342 ± 0.00002418 5.158 4.949/5.494 5.224 ± 0.3188
5 1342 1342/1342 1342 ± 0.00002348 5.339 5.129/5.59 5.335 ± 0.2847
6 1342 1342/1342 1342 ± 0.00002348 5.315 5.133/5.578 5.34 ± 0.2836
7 1342 1342/1342 1342 ± 0.00002348 5.46 5.283/5.634 5.444 ± 0.2474
8 1342 1342/1342 1342 ± 0.00002348 5.393 5.159/5.578 5.392 ± 0.2721
9 1342 1342/1342 1342 ± 0.00002348 5.674 5.571/5.933 5.717 ± 0.2796
10 1342 1342/1342 1342 ± 0.00002348 6.211 6.04/6.31 6.17 ± 0.2529
11 1342 1342/1342 1342 ± 0.00002348 6.396 6.2/6.547 6.382 ± 0.2581
12 1342 1342/1342 1342 ± 0.00002348 6.533 6.325/6.72 6.527 ± 0.3212
13 1342 1342/1342 1342 ± 0.00002348 6.989 6.716/7.173 6.96 ± 0.3311
14 1342 1342/1342 1342 ± 0.00002348 7.159 6.882/7.38 7.145 ± 0.3514
15 1342 1342/1342 1342 ± 0.00002348 6.883 6.615/7.178 6.852 ± 0.3568
16 1342 1342/1342 1342 ± 0.00002369 6.17 5.939/6.484 6.191 ± 0.4025
17 1342 1342/1342 1342 ± 0.00002364 6.179 5.967/6.412 6.168 ± 0.3597
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS3.2.sb45620914.eb45877486.60435.49343803241_split_split.ms
datacolumn
residual_data
output_dir
 
Start time
2025-08-04 19:52:16.217
End
2025-08-04 20:23:48.273
Duration
0:31:32.056
Note, WebLog generation is not included in the time.

CASA logs for stage 8