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

Statwt Summary Plot

VLASS2.1.sb38619750.eb38664746.59114.89728754629_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 5.724 5.388/6.234 5.851 ± 0.5547
ea02 1342 1342/1342 1342 ± 0.000006676 5.882 5.521/6.543 6.067 ± 0.6572
ea03 1342 1342/1342 1342 ± 0 5.455 4.843/6.031 5.494 ± 0.6388
ea04 1342 1342/1342 1342 ± 0 5.585 5.228/6.12 5.718 ± 0.5499
ea05 1342 1342/1342 1342 ± 0 5.922 5.444/6.378 5.967 ± 0.5819
ea06 1342 1342/1342 1342 ± 0 5.258 5.011/5.738 5.381 ± 0.4368
ea07 1342 1342/1342 1342 ± 0 6.032 5.606/6.294 6.08 ± 0.5486
ea08 1342 1342/1342 1342 ± 0.000009129 6.036 5.718/6.786 6.277 ± 0.6738
ea09 1342 1342/1342 1342 ± 0 5.882 5.322/6.407 5.94 ± 0.6305
ea10 1342 1342/1342 1342 ± 0.00001176 5.967 5.38/6.633 6.024 ± 0.6661
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.884 5.413/6.434 6.031 ± 0.6572
ea13 1342 1342/1342 1342 ± 0 6.347 6.014/6.625 6.405 ± 0.4984
ea14 1342 1342/1342 1342 ± 0 5.914 5.42/6.463 6.009 ± 0.645
ea15 1342 1342/1342 1342 ± 0 5.829 5.429/6.435 6.022 ± 0.6514
ea16 1342 1342/1342 1342 ± 0 6.206 5.788/6.764 6.374 ± 0.6863
ea17 1342 1342/1342 1342 ± 0.00003242 6.085 5.644/6.619 6.205 ± 0.636
ea18 1342 1342/1342 1342 ± 0.00001363 5.139 4.796/5.55 5.196 ± 0.5333
ea19 1342 1342/1342 1342 ± 0 6.134 5.69/6.8 6.328 ± 0.6526
ea20 1342 1342/1342 1342 ± 0 6.32 5.729/6.849 6.3 ± 0.6031
ea21 1342 1342/1342 1342 ± 0 5.819 5.53/6.393 5.997 ± 0.5421
ea22 1342 1342/1342 1342 ± 0 5.627 5.403/6.466 5.924 ± 0.6675
ea23 1342 1342/1342 1342 ± 0 6.112 5.586/6.521 6.181 ± 0.6662
ea25 1342 1342/1342 1342 ± 0.00003115 5.652 5.429/6.251 5.856 ± 0.5661
ea26 1342 1342/1342 1342 ± 0 6.203 5.751/6.785 6.313 ± 0.6801
ea27 1342 1342/1342 1342 ± 0.00004303 5.652 5.342/6.422 5.85 ± 0.5812
ea28 1342 1342/1342 1342 ± 0.00004365 5.936 5.529/6.534 6.066 ± 0.671
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 5.506 5.412/5.796 5.544 ± 0.2951
3 1342 1342/1342 1342 ± 0.00003581 5.331 5.098/5.626 5.351 ± 0.3385
4 1342 1342/1342 1342 ± 0.00002549 5.358 5.257/5.578 5.397 ± 0.3459
5 1342 1342/1342 1342 ± 0.00002348 5.554 5.288/5.67 5.497 ± 0.3403
6 1342 1342/1342 1342 ± 0.00002348 5.418 5.242/5.595 5.382 ± 0.3307
7 1342 1342/1342 1342 ± 0.00002348 5.447 5.349/5.64 5.462 ± 0.2565
8 1342 1342/1342 1342 ± 0.00002348 5.443 5.222/5.634 5.407 ± 0.2729
9 1342 1342/1342 1342 ± 0.00002348 5.717 5.585/5.954 5.69 ± 0.3094
10 1342 1342/1342 1342 ± 0.00002348 6.156 6.012/6.321 6.129 ± 0.3069
11 1342 1342/1342 1342 ± 0.00002348 6.439 6.236/6.523 6.347 ± 0.3043
12 1342 1342/1342 1342 ± 0.00002392 6.577 6.347/6.719 6.506 ± 0.3296
13 1342 1342/1342 1342 ± 0.00002348 7.005 6.895/7.203 6.963 ± 0.3545
14 1342 1342/1342 1342 ± 0.00002348 7.201 6.991/7.434 7.14 ± 0.3879
15 1342 1342/1342 1342 ± 0.00002348 6.88 6.601/7.028 6.795 ± 0.3845
16 1342 1342/1342 1342 ± 0.00004621 6.124 5.937/6.391 6.131 ± 0.341
17 1342 1342/1342 1342 ± 0.00004139 6.164 5.995/6.369 6.157 ± 0.3328
vis
VLASS2.1.sb38619750.eb38664746.59114.89728754629_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2025-01-04 01:38:11.818
End
2025-01-04 02:18:11.401
Duration
0:39:59.582
Note, WebLog generation is not included in the time.

CASA logs for stage 8