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

Statwt Summary Plot

VLASS2.2.sb40493634.eb40941789.59520.06707907407_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 5.913 5.553/6.518 6.072 ± 0.6112
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.788 5.194/6.597 5.91 ± 0.6749
ea06 1342 1342/1342 1342 ± 0 6.192 5.405/6.394 6.007 ± 0.5954
ea07 1342 1342/1342 1342 ± 0 6.079 5.337/6.364 5.994 ± 0.6464
ea08 1342 1342/1342 1342 ± 0.00003137 5.895 5.601/6.618 6.133 ± 0.6496
ea09 1342 1342/1342 1342 ± 0.00001778 5.719 5.251/6.622 5.893 ± 0.6948
ea10 1342 1342/1342 1342 ± 0 6.114 5.341/6.689 6.058 ± 0.646
ea11 1342 1342/1342 1342 ± 0 5.962 5.323/6.535 6.022 ± 0.6771
ea12 1342 1342/1342 1342 ± 0 6.111 5.429/6.551 6.079 ± 0.6527
ea13 1342 1342/1342 1342 ± 0.00002721 5.747 5.644/6.319 6.027 ± 0.5039
ea14 1342 1342/1342 1342 ± 0 6.295 5.55/6.813 6.277 ± 0.7461
ea15 1342 1342/1342 1342 ± 0 5.588 4.976/5.95 5.51 ± 0.6189
ea16 1342 1342/1342 1342 ± 0 6.345 5.595/6.772 6.327 ± 0.7677
ea17 1342 1342/1342 1342 ± 0 6.468 5.786/7.247 6.526 ± 0.7382
ea18 1342 1342/1342 1342 ± 0 5.003 4.604/5.434 5.047 ± 0.5314
ea19 1342 1342/1342 1342 ± 0 6.566 5.695/6.952 6.452 ± 0.6912
ea20 1342 1342/1342 1342 ± 0.00002261 5.994 5.613/6.813 6.119 ± 0.6547
ea21 1342 1342/1342 1342 ± 0 6.133 5.479/6.528 6.079 ± 0.6388
ea22 1342 1342/1342 1342 ± 0 6.206 5.364/6.591 6.015 ± 0.7225
ea23 1342 1342/1342 1342 ± 0 5.974 5.521/6.656 6.168 ± 0.6991
ea24 1342 1342/1342 1342 ± 0 5.517 4.96/6.149 5.523 ± 0.6091
ea26 1342 1342/1342 1342 ± 0.000007863 5.988 5.533/6.929 6.191 ± 0.7082
ea27 1342 1342/1342 1342 ± 0 5.964 5.484/6.862 6.1 ± 0.725
ea28 1342 1342/1342 1342 ± 0.00002058 6.056 5.68/6.837 6.295 ± 0.7413
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 ± 0.00002439 5.444 5.342/5.622 5.427 ± 0.2785
4 1342 1342/1342 1342 ± 0.00002872 5.2 4.906/5.334 5.103 ± 0.3493
5 1342 1342/1342 1342 ± 0.00002439 5.427 5.203/5.543 5.365 ± 0.3151
6 1342 1342/1342 1342 ± 0.00002439 5.385 5.223/5.553 5.349 ± 0.2631
7 1342 1342/1342 1342 ± 0.00002439 5.468 5.336/5.62 5.436 ± 0.2673
8 1342 1342/1342 1342 ± 0.00002439 5.375 5.255/5.655 5.383 ± 0.308
9 1342 1342/1342 1342 ± 0.00002439 5.775 5.58/5.887 5.69 ± 0.3086
10 1342 1342/1342 1342 ± 0.00002439 6.264 6.128/6.323 6.148 ± 0.3245
11 1342 1342/1342 1342 ± 0.00002439 6.431 6.274/6.612 6.388 ± 0.3294
12 1342 1342/1342 1342 ± 0.00002439 6.58 6.308/6.788 6.542 ± 0.3686
13 1342 1342/1342 1342 ± 0.00002439 6.997 6.843/7.251 6.99 ± 0.3913
14 1342 1342/1342 1342 ± 0.00002439 7.238 7.059/7.481 7.197 ± 0.3887
15 1342 1342/1342 1342 ± 0.00002439 6.903 6.721/7.232 6.882 ± 0.3827
16 1342 1342/1342 1342 ± 0.00002439 6.212 5.965/6.361 6.191 ± 0.3889
17 1342 1342/1342 1342 ± 0.0000459 6.053 5.783/6.35 6.098 ± 0.4283
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms
Start time
2025-04-19 00:04:17.181
End
2025-04-19 00:51:12.990
Duration
0:46:55.809
Note, WebLog generation is not included in the time.

CASA logs for stage 8