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

Statwt Summary Plot

VLASS2.1.sb38608477.eb38643773.59104.940213009264_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 5.654 5.298/6.106 5.742 ± 0.5619
ea02 1342 1342/1342 1342 ± 0 5.517 5.226/6.245 5.759 ± 0.6252
ea04 1342 1342/1342 1342 ± 0 5.306 4.96/5.951 5.481 ± 0.5976
ea05 1342 1342/1342 1342 ± 0 5.696 5.08/6.143 5.597 ± 0.5682
ea06 1342 1342/1342 1342 ± 0 5.024 4.774/5.418 5.089 ± 0.4115
ea07 1342 1342/1342 1342 ± 0 5.992 5.449/6.214 5.985 ± 0.578
ea08 1342 1342/1342 1342 ± 0 5.736 5.578/6.663 6.104 ± 0.6871
ea09 1342 1342/1342 1342 ± 0 5.351 4.827/5.924 5.431 ± 0.6278
ea10 1342 1342/1342 1342 ± 0 6.004 5.355/6.681 6.015 ± 0.6984
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.811 5.353/6.451 5.97 ± 0.6772
ea13 1342 1342/1342 1342 ± 0 5.542 5.138/5.985 5.63 ± 0.5722
ea14 1342 1342/1342 1342 ± 0 5.721 5.248/6.374 5.846 ± 0.7067
ea15 1342 1342/1342 1342 ± 0 5.387 5.021/6.146 5.621 ± 0.6811
ea16 1342 1342/1342 1342 ± 0 5.976 5.535/6.708 6.172 ± 0.7505
ea17 1342 1342/1342 1342 ± 0 6.026 5.658/6.585 6.175 ± 0.6431
ea18 1342 1342/1342 1342 ± 0 5.063 4.733/5.533 5.161 ± 0.5316
ea19 1342 1342/1342 1342 ± 0 5.807 5.374/6.529 6.008 ± 0.665
ea20 1342 1342/1342 1342 ± 0 6.11 5.702/6.76 6.274 ± 0.6432
ea21 1342 1342/1342 1342 ± 0 5.604 5.247/6.168 5.755 ± 0.5801
ea22 1342 1342/1342 1342 ± 0 5.154 4.937/5.987 5.465 ± 0.6332
ea23 1342 1342/1342 1342 ± 0 5.963 5.482/6.462 6.078 ± 0.6917
ea25 1342 1342/1342 1342 ± 0 5.665 5.358/6.279 5.871 ± 0.6072
ea26 1342 1342/1342 1342 ± 0 5.62 5.103/6.208 5.726 ± 0.7021
ea27 1342 1342/1342 1342 ± 0.000005609 5.612 5.334/6.458 5.805 ± 0.5956
ea28 1342 1342/1342 1342 ± 0.00001108 5.804 5.441/6.513 5.989 ± 0.6809
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 ± 0.00002396 5.257 5.081/5.566 5.315 ± 0.2883
3 1342 1342/1342 1342 ± 0.00002396 5.176 4.984/5.486 5.216 ± 0.2899
4 1342 1342/1342 1342 ± 0.00002397 5.181 4.883/5.365 5.132 ± 0.3696
5 1342 1342/1342 1342 ± 0.00002396 5.242 4.977/5.373 5.176 ± 0.2983
6 1342 1342/1342 1342 ± 0.00002396 5.225 5.058/5.358 5.193 ± 0.2704
7 1342 1342/1342 1342 ± 0.00002396 5.29 5.036/5.407 5.26 ± 0.2696
8 1342 1342/1342 1342 ± 0.00002396 5.249 4.929/5.426 5.207 ± 0.304
9 1342 1342/1342 1342 ± 0.00002396 5.544 5.234/5.821 5.494 ± 0.3525
10 1342 1342/1342 1342 ± 0.00002396 5.988 5.795/6.116 5.924 ± 0.3349
11 1342 1342/1342 1342 ± 0.00002396 6.179 5.918/6.342 6.149 ± 0.3463
12 1342 1342/1342 1342 ± 0.00002442 6.414 6.165/6.587 6.342 ± 0.3854
13 1342 1342/1342 1342 ± 0.00002396 6.801 6.54/7.051 6.769 ± 0.394
14 1342 1342/1342 1342 ± 0.00002396 7.04 6.743/7.254 6.956 ± 0.4194
15 1342 1342/1342 1342 ± 0.00002396 6.703 6.481/6.902 6.617 ± 0.3952
16 1342 1342/1342 1342 ± 0.00002459 5.929 5.661/6.273 5.955 ± 0.3903
17 1342 1342/1342 1342 ± 0.00002519 5.957 5.716/6.215 5.982 ± 0.3477
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38608477.eb38643773.59104.940213009264_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-12-31 05:03:52.577
End
2024-12-31 06:06:34.711
Duration
1:02:42.134
Note, WebLog generation is not included in the time.

CASA logs for stage 8