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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.577 5.055/6.27 5.496 ± 1.09
ea02 1342 1342/1342 1342 ± 0.00003626 5.565 5.305/6.459 5.597 ± 0.9888
ea03 1342 1342/1342 1342 ± 0.000004141 5.495 5.293/6.765 5.809 ± 0.849
ea04 1342 1342/1342 1342 ± 0.00004487 5.201 5.039/6.064 5.286 ± 0.7891
ea05 1342 1342/1342 1342 ± 0.00005138 5.427 4.852/6.472 5.441 ± 1.044
ea06 1342 1342/1342 1342 ± 0.00003112 5.31 4.881/6.066 5.328 ± 0.8551
ea07 1342 1342/1342 1342 ± 0.00004264 5.237 5.044/6.317 5.443 ± 0.9971
ea08 1342 1342/1342 1342 ± 0.00001309 5.712 5.53/6.827 5.872 ± 1.04
ea09 1342 1342/1342 1342 ± 0.00004858 5.165 4.789/6.122 5.186 ± 0.924
ea10 1342 1342/1342 1342 ± 0.00005041 5.087 4.681/5.992 5.074 ± 0.887
ea11 1342 1342/1342 1342 ± 0.0000518 5.278 4.708/6.108 5.121 ± 1.022
ea13 1342 1342/1342 1342 ± 0.0000321 5.278 5.165/6.038 5.311 ± 0.7202
ea14 1342 1342/1342 1342 ± 0.00005081 5.576 5.237/6.563 5.564 ± 1.031
ea15 1342 1342/1342 1342 ± 0.00005044 5.549 5.19/6.643 5.586 ± 1.064
ea16 1342 1342/1342 1342 ± 0.00002839 5.855 5.403/6.599 5.888 ± 1.032
ea17 1342 1342/1342 1342 ± 0.000045 5.75 5.318/6.676 5.754 ± 1.125
ea18 1342 1342/1342 1342 ± 0.00001133 5.844 5.559/6.853 5.962 ± 0.9985
ea19 1342 1342/1342 1342 ± 0.00004415 5.526 5.341/6.446 5.544 ± 0.9944
ea20 1342 1342/1342 1342 ± 0.00004477 5.273 5.126/6.051 5.328 ± 0.8559
ea21 1342 1342/1342 1342 ± 0.00000837 5.065 4.914/5.872 5.268 ± 0.6705
ea22 1342 1342/1342 1342 ± 0.00002562 5.735 5.283/6.558 5.695 ± 0.9979
ea23 1342 1342/1342 1342 ± 0.00005014 5.684 5.066/6.407 5.565 ± 1.043
ea24 1342 1342/1342 1342 ± 0.00002058 4.953 4.668/5.87 5.223 ± 0.739
ea25 1342 1342/1342 1342 ± 0.00001749 5.764 5.444/6.92 6.115 ± 1.006
ea27 1342 1342/1342 1342 ± 0.00002265 5.357 5.104/6.488 5.498 ± 0.9648
ea28 1342 1342/1342 1342 ± 0.000004721 5.588 5.488/6.577 5.696 ± 0.8704
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 ± 0.00002351 5.34 5.104/5.442 5.262 ± 0.2575
5 1342 1342/1342 1342 ± 0.00003298 5.056 4.851/5.431 5.12 ± 0.3755
6 1342 1342/1342 1342 ± 0.00002351 5.318 5.087/5.554 5.306 ± 0.285
7 1342 1342/1342 1342 ± 0.00002351 5.328 5.174/5.512 5.315 ± 0.2581
8 1342 1342/1342 1342 ± 0.00002351 5.295 5.104/5.488 5.302 ± 0.2803
9 1342 1342/1342 1342 ± 0.00002351 5.597 5.366/5.853 5.575 ± 0.3131
10 1342 1342/1342 1342 ± 0.00002395 6.083 6.004/6.291 6.112 ± 0.2782
11 1342 1342/1342 1342 ± 0.0000235 6.452 6.122/6.569 6.387 ± 0.2718
12 1342 1342/1342 1342 ± 0.0000235 6.599 6.373/6.815 6.548 ± 0.3219
13 1342 1342/1342 1342 ± 0.000024 6.742 6.325/6.96 6.71 ± 0.4219
14 1342 1342/1342 1342 ± 0.00005798 5.258 4.954/5.809 5.484 ± 0.7719
15 1342 1342/1342 1342 ± 0.0000235 6.795 6.191/7.094 6.699 ± 0.4987
16 1342 1342/1342 1342 ± 0.00005904 3.684 3.514/3.965 3.782 ± 0.3965
17 1342 1342/1342 1342 ± 0.00005982 3.667 3.453/3.956 3.717 ± 0.3798
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-19 09:46:02.540
End
2025-07-19 10:33:44.488
Duration
0:47:41.948
Note, WebLog generation is not included in the time.

CASA logs for stage 8