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

Statwt Summary Plot

VLASS3.2.sb45460397.eb46168936.60474.13114186343_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 5.429 5.059/6.193 5.545 ± 0.9066
ea02 1342 1342/1342 1342 ± 0.00002471 5.633 5.185/6.313 5.549 ± 0.9768
ea03 1342 1342/1342 1342 ± 0.000001744 5.295 5.134/6.592 5.715 ± 0.8414
ea04 1342 1342/1342 1342 ± 0.00004404 5.072 4.888/5.94 5.244 ± 0.6731
ea05 1342 1342/1342 1342 ± 0.0000472 5.259 4.976/6.233 5.461 ± 0.7957
ea06 1342 1342/1342 1342 ± 0.00001755 4.858 4.771/5.851 5.244 ± 0.7731
ea07 1342 1342/1342 1342 ± 0.00002775 5.01 4.884/6.162 5.331 ± 0.957
ea08 1342 1342/1342 1342 ± 0 5.724 5.267/6.658 5.853 ± 0.8828
ea09 1342 1342/1342 1342 ± 0.00004474 4.984 4.733/5.9 5.154 ± 0.7094
ea10 1342 1342/1342 1342 ± 0.00004473 4.901 4.283/5.858 4.975 ± 0.8347
ea11 1342 1342/1342 1342 ± 0.00005064 5.129 4.453/6.213 5.187 ± 0.9134
ea12 1342 1342/1342 1342 ± 0.00004272 5.111 4.902/5.802 5.258 ± 0.6996
ea14 1342 1342/1342 1342 ± 0.00004731 5.426 5.178/6.31 5.513 ± 0.7765
ea15 1342 1342/1342 1342 ± 0.0000502 5.19 4.747/6.38 5.43 ± 0.9529
ea16 1342 1342/1342 1342 ± 0.00001696 5.667 5.168/6.568 5.848 ± 0.7843
ea17 1342 1342/1342 1342 ± 0.00003008 5.464 5.138/6.36 5.649 ± 0.9039
ea18 1342 1342/1342 1342 ± 0 5.691 5.405/6.773 5.959 ± 0.8565
ea19 1342 1342/1342 1342 ± 0.00003981 5.3 5.132/6.191 5.55 ± 0.7579
ea21 1342 1342/1342 1342 ± 0.000004038 4.881 4.805/5.777 5.167 ± 0.6928
ea22 1342 1342/1342 1342 ± 0.00001876 5.531 4.935/6.303 5.522 ± 0.8684
ea23 1342 1342/1342 1342 ± 0.00004756 5.482 5.036/6.249 5.553 ± 0.8394
ea24 1342 1342/1342 1342 ± 0.00001451 5.182 4.988/6.223 5.49 ± 0.7804
ea25 1342 1342/1342 1342 ± 0.000009089 5.575 5.346/6.785 5.979 ± 0.9822
ea27 1342 1342/1342 1342 ± 0.000009069 5.21 4.9/6.295 5.503 ± 0.7456
ea28 1342 1342/1342 1342 ± 0.00001626 5.571 5.506/6.676 5.895 ± 0.8456
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 ± 0.00002392 5.045 4.905/5.139 4.992 ± 0.2905
4 1342 1342/1342 1342 ± 0.00006031 3.454 3.35/3.687 3.501 ± 0.2245
5 1342 1342/1342 1342 ± 0.00002486 5.039 4.787/5.347 5.062 ± 0.3405
6 1342 1342/1342 1342 ± 0.00002392 5.138 4.901/5.383 5.126 ± 0.2705
7 1342 1342/1342 1342 ± 0.00002392 5.185 5/5.296 5.156 ± 0.2338
8 1342 1342/1342 1342 ± 0.00002392 5.126 4.972/5.239 5.109 ± 0.2593
9 1342 1342/1342 1342 ± 0.00002392 5.434 5.329/5.644 5.44 ± 0.2735
10 1342 1342/1342 1342 ± 0.00002392 5.979 5.832/6.127 5.957 ± 0.2648
11 1342 1342/1342 1342 ± 0.00002392 6.283 6.161/6.365 6.239 ± 0.2674
12 1342 1342/1342 1342 ± 0.00002392 6.383 6.209/6.572 6.395 ± 0.3111
13 1342 1342/1342 1342 ± 0.00002392 6.688 6.337/7.042 6.7 ± 0.3556
14 1342 1342/1342 1342 ± 0.00004715 6.099 5.718/6.475 6.172 ± 0.6014
15 1342 1342/1342 1342 ± 0.00002392 6.572 6.241/6.901 6.579 ± 0.3822
16 1342 1342/1342 1342 ± 0.00006102 4.308 4.081/4.742 4.424 ± 0.4318
17 1342 1342/1342 1342 ± 0.00006088 4.229 4.037/4.518 4.312 ± 0.3665
statwtmode
VLASS-SE
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-22 15:37:21.368
End
2025-07-22 16:28:03.852
Duration
0:50:42.484
Note, WebLog generation is not included in the time.

CASA logs for stage 8