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

Statwt Summary Plot

VLASS2.2.sb40880919.eb41034540.59559.16303170139_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 6.279 5.971/6.827 6.48 ± 0.5959
ea03 1342 1342/1342 1342 ± 0.00001866 5.685 5.184/6.678 5.894 ± 0.7177
ea04 1342 1342/1342 1342 ± 0 6.172 5.772/6.711 6.31 ± 0.6194
ea05 1342 1342/1342 1342 ± 0 6.094 5.713/6.939 6.298 ± 0.7081
ea06 1342 1342/1342 1342 ± 0 6.303 5.899/6.743 6.354 ± 0.5568
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0.00001446 6.04 5.712/6.682 6.232 ± 0.5933
ea09 1342 1342/1342 1342 ± 0 6.248 5.68/6.902 6.334 ± 0.6725
ea10 1342 1342/1342 1342 ± 0 7.092 6.756/7.358 6.981 ± 0.4602
ea11 1342 1342/1342 1342 ± 0 6.198 5.629/6.812 6.274 ± 0.6918
ea12 1342 1342/1342 1342 ± 0 6.476 5.96/7.01 6.571 ± 0.6566
ea13 1342 1342/1342 1342 ± 0.000001699 5.749 5.34/6.009 5.773 ± 0.4251
ea14 1342 1342/1342 1342 ± 0 6.297 5.919/7.019 6.534 ± 0.647
ea15 1342 1342/1342 1342 ± 0 5.912 5.516/6.57 6.061 ± 0.6083
ea16 1342 1342/1342 1342 ± 0 6.465 6.064/7.015 6.57 ± 0.6659
ea17 1342 1342/1342 1342 ± 0 6.903 6.592/7.834 7.129 ± 0.6679
ea18 1342 1342/1342 1342 ± 0 5.106 4.781/5.478 5.137 ± 0.4569
ea19 1342 1342/1342 1342 ± 0 6.42 6.117/7.313 6.674 ± 0.6755
ea20 1342 1342/1342 1342 ± 0 5.738 5.624/6.61 6.013 ± 0.5675
ea21 1342 1342/1342 1342 ± 0 5.475 5.261/5.965 5.64 ± 0.4329
ea22 1342 1342/1342 1342 ± 0 6.202 5.713/6.594 6.144 ± 0.5464
ea23 1342 1342/1342 1342 ± 0 6.072 5.98/6.868 6.437 ± 0.6543
ea24 1342 1342/1342 1342 ± 0 6.018 5.427/6.541 5.977 ± 0.5396
ea25 1342 1342/1342 1342 ± 0 6.733 6.089/6.974 6.725 ± 0.7454
ea26 1342 1342/1342 1342 ± 0 6.673 6.287/7.409 6.798 ± 0.6603
ea27 1342 1342/1342 1342 ± 0 6.032 5.789/7.026 6.344 ± 0.6424
ea28 1342 1342/1342 1342 ± 0 6.223 5.946/7.074 6.477 ± 0.6431
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 5.912 5.722/6.178 5.869 ± 0.3664
4 1342 1342/1342 1342 ± 0.00002414 5.526 5.296/5.773 5.549 ± 0.4631
5 1342 1342/1342 1342 ± 0.00002392 5.863 5.644/6.053 5.821 ± 0.389
6 1342 1342/1342 1342 ± 0.00002392 5.775 5.527/5.895 5.699 ± 0.3343
7 1342 1342/1342 1342 ± 0.00002392 5.856 5.588/5.948 5.766 ± 0.3493
8 1342 1342/1342 1342 ± 0.00002392 5.64 5.457/5.967 5.705 ± 0.3962
9 1342 1342/1342 1342 ± 0.00002392 6.016 5.719/6.269 5.987 ± 0.3959
10 1342 1342/1342 1342 ± 0.00002348 6.567 6.177/6.636 6.425 ± 0.385
11 1342 1342/1342 1342 ± 0.00002348 6.697 6.524/6.957 6.661 ± 0.4049
12 1342 1342/1342 1342 ± 0.00002348 6.852 6.597/7.034 6.799 ± 0.4741
13 1342 1342/1342 1342 ± 0.00002348 7.339 7.032/7.635 7.259 ± 0.5252
14 1342 1342/1342 1342 ± 0.00002348 7.51 7.206/7.752 7.443 ± 0.5317
15 1342 1342/1342 1342 ± 0.00002348 7.078 6.729/7.421 7.036 ± 0.5141
16 1342 1342/1342 1342 ± 0.00002349 6.224 5.847/6.573 6.226 ± 0.5277
17 1342 1342/1342 1342 ± 0.00002912 6.22 5.771/6.479 6.114 ± 0.5143
overwrite_modelcol
False
vis
VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
Start time
2025-06-12 03:48:52.095
End
2025-06-12 04:49:57.768
Duration
1:01:05.673
Note, WebLog generation is not included in the time.

CASA logs for stage 8