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

Statwt Summary Plot

VLASS2.1.sb38617989.eb38636486.59099.9471230787_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 5.473 5.164/5.887 5.592 ± 0.537
ea02 1342 1342/1342 1342 ± 0 5.626 5.339/6.372 5.874 ± 0.6521
ea04 1342 1342/1342 1342 ± 0 5.312 5.027/5.869 5.463 ± 0.5415
ea05 1342 1342/1342 1342 ± 0 5.553 5.167/6.027 5.646 ± 0.5746
ea06 1342 1342/1342 1342 ± 0 4.997 4.696/5.544 5.125 ± 0.4942
ea07 1342 1342/1342 1342 ± 0 5.844 5.367/6.086 5.857 ± 0.5663
ea08 1342 1342/1342 1342 ± 0 5.595 5.39/6.454 5.925 ± 0.6709
ea09 1342 1342/1342 1342 ± 0 5.56 5.145/6.161 5.645 ± 0.6305
ea10 1342 1342/1342 1342 ± 0 5.79 5.15/6.421 5.801 ± 0.6722
ea11 1342 1342/1342 1342 ± 0 5.651 5.076/6.206 5.687 ± 0.6686
ea12 1342 1342/1342 1342 ± 0 5.681 5.248/6.281 5.838 ± 0.6367
ea13 1342 1342/1342 1342 ± 0 5.985 5.666/6.284 6.063 ± 0.5053
ea14 1342 1342/1342 1342 ± 0 5.668 5.189/6.269 5.776 ± 0.6537
ea15 1342 1342/1342 1342 ± 0 5.484 5.04/6.122 5.643 ± 0.6793
ea16 1342 1342/1342 1342 ± 0 6.001 5.583/6.668 6.152 ± 0.7233
ea17 1342 1342/1342 1342 ± 0.000006703 5.817 5.473/6.361 5.968 ± 0.631
ea18 1342 1342/1342 1342 ± 0 4.925 4.639/5.351 5.029 ± 0.5033
ea19 1342 1342/1342 1342 ± 0 5.881 5.433/6.561 6.061 ± 0.6485
ea20 1342 1342/1342 1342 ± 0 5.998 5.643/6.651 6.14 ± 0.6573
ea21 1342 1342/1342 1342 ± 0 5.634 5.289/6.114 5.735 ± 0.5492
ea22 1342 1342/1342 1342 ± 0 5.414 5.086/6.081 5.615 ± 0.6668
ea23 1342 1342/1342 1342 ± 0 5.884 5.388/6.276 5.961 ± 0.6726
ea25 1342 1342/1342 1342 ± 0.000002337 5.4 5.15/5.957 5.566 ± 0.567
ea26 1342 1342/1342 1342 ± 0 6.102 5.579/6.805 6.104 ± 0.6568
ea27 1342 1342/1342 1342 ± 0.00003799 5.418 5.162/6.219 5.627 ± 0.5824
ea28 1342 1342/1342 1342 ± 0.00002327 5.537 5.306/6.285 5.755 ± 0.6501
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 5.296 5.137/5.556 5.303 ± 0.2582
3 1342 1342/1342 1342 ± 0.00002351 5.149 4.975/5.407 5.194 ± 0.2992
4 1342 1342/1342 1342 ± 0.00002375 5.162 4.884/5.351 5.086 ± 0.3202
5 1342 1342/1342 1342 ± 0.00002351 5.089 4.894/5.29 5.11 ± 0.2883
6 1342 1342/1342 1342 ± 0.00002351 5.231 5.055/5.43 5.218 ± 0.2816
7 1342 1342/1342 1342 ± 0.00002351 5.264 5.13/5.419 5.266 ± 0.2588
8 1342 1342/1342 1342 ± 0.00002351 5.295 5.025/5.383 5.214 ± 0.2795
9 1342 1342/1342 1342 ± 0.00002351 5.503 5.344/5.758 5.496 ± 0.3127
10 1342 1342/1342 1342 ± 0.00002351 5.955 5.718/6.112 5.907 ± 0.2993
11 1342 1342/1342 1342 ± 0.00002351 6.194 5.977/6.32 6.12 ± 0.3037
12 1342 1342/1342 1342 ± 0.00002351 6.258 6.068/6.477 6.214 ± 0.4513
13 1342 1342/1342 1342 ± 0.00002351 6.719 6.627/6.859 6.715 ± 0.3405
14 1342 1342/1342 1342 ± 0.00002351 6.952 6.694/7.134 6.911 ± 0.3673
15 1342 1342/1342 1342 ± 0.00002351 6.666 6.378/6.848 6.567 ± 0.3653
16 1342 1342/1342 1342 ± 0.00003514 5.84 5.524/6.18 5.849 ± 0.3906
17 1342 1342/1342 1342 ± 0.00003282 5.885 5.709/6.168 5.905 ± 0.3478
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-01-08 13:24:21.644
End
2025-01-08 14:20:43.272
Duration
0:56:21.627
Note, WebLog generation is not included in the time.

CASA logs for stage 8