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

Statwt Summary Plot

VLASS2.1.sb38539731.eb38565870.59072.39593302083_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 5.8 5.391/6.131 5.779 ± 0.453
ea02 1342 1342/1342 1342 ± 0.000008183 6.037 5.601/6.517 6.101 ± 0.5447
ea05 1342 1342/1342 1342 ± 0.000004832 6.015 5.455/6.355 5.922 ± 0.6047
ea06 1342 1342/1342 1342 ± 0 4.894 4.768/5.25 4.988 ± 0.2921
ea07 1342 1342/1342 1342 ± 0.000001265 5.829 5.455/5.943 5.791 ± 0.417
ea08 1342 1342/1342 1342 ± 0 6.059 5.773/6.74 6.304 ± 0.5658
ea09 1342 1342/1342 1342 ± 0.00001607 5.462 5.046/5.871 5.504 ± 0.4568
ea10 1342 1342/1342 1342 ± 0.00001246 5.792 5.384/6.557 5.92 ± 0.594
ea11 1342 1342/1342 1342 ± 0 5.995 5.533/6.476 6.057 ± 0.5317
ea12 1342 1342/1342 1342 ± 0 6.021 5.457/6.5 6.049 ± 0.6026
ea13 1342 1342/1342 1342 ± 0 6.398 5.835/6.556 6.26 ± 0.4647
ea14 1342 1342/1342 1342 ± 0.00002172 5.929 5.49/6.577 6.032 ± 0.6259
ea15 1342 1342/1342 1342 ± 0 5.924 5.345/6.39 5.955 ± 0.6402
ea16 1342 1342/1342 1342 ± 0 5.374 5.225/5.563 5.326 ± 0.2559
ea17 1342 1342/1342 1342 ± 0 6.168 5.753/6.568 6.272 ± 0.5499
ea18 1342 1342/1342 1342 ± 0 5.308 4.972/5.797 5.368 ± 0.4917
ea19 1342 1342/1342 1342 ± 0.000001265 6.263 5.664/6.62 6.183 ± 0.5679
ea20 1342 1342/1342 1342 ± 0 6.465 5.874/6.849 6.427 ± 0.5826
ea21 1342 1342/1342 1342 ± 0.00001497 5.699 5.459/6.301 5.882 ± 0.5042
ea22 1342 1342/1342 1342 ± 0 6.048 5.366/6.408 5.931 ± 0.5796
ea23 1342 1342/1342 1342 ± 0.00001634 5.796 5.562/6.514 6.098 ± 0.6384
ea25 1342 1342/1342 1342 ± 0 5.449 5.355/5.616 5.452 ± 0.1596
ea26 1342 1342/1342 1342 ± 0 6.026 5.621/6.439 6.058 ± 0.4873
ea27 1342 1342/1342 1342 ± 0.00003078 5.701 5.5/6.426 5.884 ± 0.5202
ea28 1342 1342/1342 1342 ± 0 5.816 5.612/6.568 6.063 ± 0.578
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 ± 0.00002409 5.522 5.331/5.757 5.485 ± 0.2912
4 1342 1342/1342 1342 ± 0.00002451 5.42 5.215/5.577 5.377 ± 0.3572
5 1342 1342/1342 1342 ± 0.00002409 5.524 5.389/5.601 5.49 ± 0.2894
6 1342 1342/1342 1342 ± 0.00002406 5.433 5.348/5.569 5.421 ± 0.2709
7 1342 1342/1342 1342 ± 0.00002409 5.454 5.348/5.618 5.456 ± 0.2484
8 1342 1342/1342 1342 ± 0.00002409 5.468 5.251/5.62 5.425 ± 0.2907
9 1342 1342/1342 1342 ± 0.00002409 5.756 5.601/5.942 5.7 ± 0.3421
10 1342 1342/1342 1342 ± 0.00002506 6.182 5.952/6.301 6.1 ± 0.3467
11 1342 1342/1342 1342 ± 0.00002506 6.455 6.29/6.571 6.334 ± 0.3792
12 1342 1342/1342 1342 ± 0.00002506 6.558 6.307/6.677 6.469 ± 0.3909
13 1342 1342/1342 1342 ± 0.00002506 6.996 6.745/7.17 6.884 ± 0.4164
14 1342 1342/1342 1342 ± 0.0000279 7.043 6.83/7.24 6.959 ± 0.4604
15 1342 1342/1342 1342 ± 0.00002535 6.503 6.306/6.693 6.421 ± 0.4032
16 1342 1342/1342 1342 ± 0.00003502 5.991 5.713/6.217 5.955 ± 0.3817
17 1342 1342/1342 1342 ± 0.00003545 6.012 5.781/6.162 5.947 ± 0.382
output_dir
 
vis
VLASS2.1.sb38539731.eb38565870.59072.39593302083_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-05-01 07:31:27.065
End
2024-05-01 08:31:51.823
Duration
1:00:24.759
Note, WebLog generation is not included in the time.

CASA logs for stage 7