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

Statwt Summary Plot

VLASS2.1.sb38625952.eb38714976.59133.44101303241_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 5.495 5.37/6.272 5.804 ± 0.6121
ea02 1342 1342/1342 1342 ± 0.0000426 6.157 5.71/6.82 6.293 ± 0.6339
ea03 1342 1342/1342 1342 ± 0 5.665 4.944/6.143 5.606 ± 0.6491
ea04 1342 1342/1342 1342 ± 0 5.647 5.372/6.199 5.815 ± 0.5467
ea05 1342 1342/1342 1342 ± 0 5.893 5.574/6.762 6.104 ± 0.6271
ea06 1342 1342/1342 1342 ± 0 4.977 4.798/5.519 5.144 ± 0.4168
ea07 1342 1342/1342 1342 ± 0.000001198 5.876 5.573/6.433 6.091 ± 0.7111
ea08 1342 1342/1342 1342 ± 0.000001198 6.191 5.686/6.926 6.307 ± 0.6809
ea09 1342 1342/1342 1342 ± 0 6.118 5.379/6.653 6.096 ± 0.6576
ea10 1342 1342/1342 1342 ± 0.000001216 6.026 5.514/6.926 6.134 ± 0.7377
ea11 1342 1342/1342 1342 ± 0 5.759 5.319/6.654 5.965 ± 0.8036
ea12 1342 1342/1342 1342 ± 0 5.663 5.477/6.559 5.999 ± 0.6717
ea13 1342 1342/1342 1342 ± 0 6.458 5.901/6.729 6.359 ± 0.518
ea15 1342 1342/1342 1342 ± 0 6.1 5.628/6.696 6.199 ± 0.6876
ea16 1342 1342/1342 1342 ± 0 6.14 5.842/6.974 6.403 ± 0.7687
ea17 1342 1342/1342 1342 ± 0.00000574 6.196 5.876/7.01 6.483 ± 0.7404
ea18 1342 1342/1342 1342 ± 0 4.906 4.767/5.659 5.162 ± 0.5062
ea19 1342 1342/1342 1342 ± 0 6.136 5.585/6.772 6.201 ± 0.6263
ea20 1342 1342/1342 1342 ± 0 5.867 5.539/6.731 6.123 ± 0.6793
ea21 1342 1342/1342 1342 ± 0 5.835 5.612/6.612 6.11 ± 0.6159
ea22 1342 1342/1342 1342 ± 0 5.97 5.15/6.333 5.793 ± 0.6196
ea23 1342 1342/1342 1342 ± 0 5.797 5.592/6.709 6.202 ± 0.7295
ea24 1342 1342/1342 1342 ± 0.000006647 6.08 5.628/6.791 6.225 ± 0.5983
ea25 1342 1342/1342 1342 ± 0 5.673 5.376/6.313 5.891 ± 0.6413
ea26 1342 1342/1342 1342 ± 0 6.528 5.997/7.21 6.611 ± 0.692
ea27 1342 1342/1342 1342 ± 0 5.693 5.451/6.535 5.966 ± 0.6142
ea28 1342 1342/1342 1342 ± 0 5.614 5.413/6.353 5.921 ± 0.5884
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 ± 0.00002309 5.516 5.303/5.674 5.45 ± 0.2838
4 1342 1342/1342 1342 ± 0.00003579 5.152 4.813/5.431 5.154 ± 0.4169
5 1342 1342/1342 1342 ± 0.00002309 5.53 5.295/5.688 5.475 ± 0.3453
6 1342 1342/1342 1342 ± 0.00002309 5.527 5.321/5.695 5.446 ± 0.3127
7 1342 1342/1342 1342 ± 0.00002309 5.539 5.415/5.678 5.507 ± 0.293
8 1342 1342/1342 1342 ± 0.00002309 5.475 5.283/5.639 5.443 ± 0.3341
9 1342 1342/1342 1342 ± 0.00002309 5.833 5.48/6.065 5.751 ± 0.3641
10 1342 1342/1342 1342 ± 0.00002309 6.256 6/6.441 6.192 ± 0.354
11 1342 1342/1342 1342 ± 0.00002309 6.515 6.297/6.683 6.433 ± 0.3648
12 1342 1342/1342 1342 ± 0.00002309 6.633 6.44/6.788 6.586 ± 0.4037
13 1342 1342/1342 1342 ± 0.00002309 7.123 6.905/7.233 7.033 ± 0.4308
14 1342 1342/1342 1342 ± 0.00002309 7.306 7.045/7.505 7.216 ± 0.4629
15 1342 1342/1342 1342 ± 0.00002309 6.801 6.449/7.014 6.695 ± 0.4536
16 1342 1342/1342 1342 ± 0.00002398 5.78 5.478/6.053 5.743 ± 0.487
17 1342 1342/1342 1342 ± 0.00002353 5.953 5.654/6.223 5.912 ± 0.5173
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38625952.eb38714976.59133.44101303241_split_split.ms
Start time
2025-01-11 20:25:38.907
End
2025-01-11 21:27:26.050
Duration
1:01:47.143
Note, WebLog generation is not included in the time.

CASA logs for stage 8