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

Statwt Summary Plot

VLASS3.2.sb45663667.eb45887130.60436.11477922453_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 5.942 5.469/6.394 6.013 ± 0.6362
ea02 1342 1342/1342 1342 ± 0 6.228 5.467/6.382 6.112 ± 0.6284
ea03 1342 1342/1342 1342 ± 0 5.837 5.329/6.634 6.021 ± 0.7665
ea04 1342 1342/1342 1342 ± 0.0000051 5.246 4.924/5.832 5.39 ± 0.6038
ea05 1342 1342/1342 1342 ± 0.000001276 5.682 5.32/6.487 5.857 ± 0.737
ea06 1342 1342/1342 1342 ± 0 6.018 5.036/6.161 5.701 ± 0.6695
ea07 1342 1342/1342 1342 ± 0 5.789 5.16/6.29 5.834 ± 0.7197
ea08 1342 1342/1342 1342 ± 0 6.329 5.618/6.755 6.307 ± 0.6916
ea09 1342 1342/1342 1342 ± 0 5.73 5.09/6.493 5.763 ± 0.6685
ea10 1342 1342/1342 1342 ± 0 5.419 4.898/5.928 5.422 ± 0.6276
ea11 1342 1342/1342 1342 ± 0 5.341 4.837/6.183 5.483 ± 0.702
ea12 1342 1342/1342 1342 ± 0 5.509 5.149/6.102 5.664 ± 0.6619
ea13 1342 1342/1342 1342 ± 0 5.794 5.406/6.317 5.837 ± 0.6594
ea14 1342 1342/1342 1342 ± 0.000001806 5.964 5.471/6.467 5.971 ± 0.7296
ea15 1342 1342/1342 1342 ± 0.000008908 5.964 5.495/6.618 6.027 ± 0.8044
ea16 1342 1342/1342 1342 ± 0 6.066 5.633/6.732 6.214 ± 0.7455
ea17 1342 1342/1342 1342 ± 0 6.134 5.664/6.761 6.243 ± 0.7556
ea18 1342 1342/1342 1342 ± 0 6.27 5.78/7.075 6.349 ± 0.7059
ea19 1342 1342/1342 1342 ± 0 5.818 5.314/6.407 5.9 ± 0.7148
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0 5.396 5.013/5.847 5.469 ± 0.5248
ea22 1342 1342/1342 1342 ± 0 6.279 5.547/6.664 6.093 ± 0.6681
ea23 1342 1342/1342 1342 ± 0 5.959 5.334/6.258 5.88 ± 0.7673
ea24 1342 1342/1342 1342 ± 0.000008968 6.107 5.22/6.612 5.862 ± 0.8028
ea25 1342 1342/1342 1342 ± 0 6.507 5.647/7.011 6.446 ± 0.8308
ea27 1342 1342/1342 1342 ± 0 5.76 5.154/6.418 5.835 ± 0.7092
ea28 1342 1342/1342 1342 ± 0 5.983 5.589/6.72 6.102 ± 0.7376
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 ± 0.00002349 5.292 5.156/5.522 5.327 ± 0.2528
3 1342 1342/1342 1342 ± 0.0000278 4.731 4.378/5.081 4.77 ± 0.4873
4 1342 1342/1342 1342 ± 0.00002377 5.147 4.92/5.371 5.154 ± 0.363
5 1342 1342/1342 1342 ± 0.00002349 5.34 5.089/5.627 5.37 ± 0.3111
6 1342 1342/1342 1342 ± 0.00002349 5.294 5.01/5.435 5.258 ± 0.2915
7 1342 1342/1342 1342 ± 0.00002349 5.393 5.323/5.595 5.395 ± 0.2499
8 1342 1342/1342 1342 ± 0.00002349 5.337 5.208/5.544 5.336 ± 0.2662
9 1342 1342/1342 1342 ± 0.00002349 5.672 5.533/5.845 5.665 ± 0.278
10 1342 1342/1342 1342 ± 0.00002349 6.207 6.019/6.251 6.125 ± 0.2535
11 1342 1342/1342 1342 ± 0.00002349 6.38 6.196/6.534 6.347 ± 0.2731
12 1342 1342/1342 1342 ± 0.00002349 6.547 6.262/6.709 6.489 ± 0.3249
13 1342 1342/1342 1342 ± 0.00002349 6.957 6.629/7.223 6.93 ± 0.3503
14 1342 1342/1342 1342 ± 0.00002349 7.138 6.896/7.293 7.101 ± 0.3858
15 1342 1342/1342 1342 ± 0.00002349 6.864 6.576/7.125 6.828 ± 0.3844
16 1342 1342/1342 1342 ± 0.00002349 6.211 5.933/6.44 6.191 ± 0.3966
17 1342 1342/1342 1342 ± 0.00002349 6.187 5.924/6.361 6.14 ± 0.4019
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS3.2.sb45663667.eb45887130.60436.11477922453_split_split.ms
Start time
2025-07-25 17:25:39.227
End
2025-07-25 18:15:04.917
Duration
0:49:25.690
Note, WebLog generation is not included in the time.

CASA logs for stage 8