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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.169 5.053/5.922 5.428 ± 0.6951
ea02 1342 1342/1342 1342 ± 0.00004303 5.793 5.106/6.409 5.721 ± 0.8917
ea04 1342 1342/1342 1342 ± 0.0000331 5.21 4.838/5.894 5.308 ± 0.6956
ea05 1342 1342/1342 1342 ± 0.00002351 5.339 4.943/6.336 5.547 ± 0.9186
ea06 1342 1342/1342 1342 ± 0.00003471 5.45 4.379/5.64 4.982 ± 0.7254
ea07 1342 1342/1342 1342 ± 0.0000327 5.652 5.108/6.029 5.595 ± 0.7429
ea08 1342 1342/1342 1342 ± 0.00003368 5.924 5.423/6.68 6.015 ± 0.8999
ea09 1342 1342/1342 1342 ± 0.00002768 5.467 5.001/6.219 5.468 ± 0.9051
ea10 1342 1342/1342 1342 ± 0.00003428 5.508 4.907/6.245 5.524 ± 0.7905
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003589 5.372 5.065/6.289 5.585 ± 0.854
ea13 1342 1342/1342 1342 ± 0.00001724 5.508 5.318/6.087 5.682 ± 0.8715
ea14 1342 1342/1342 1342 ± 0.00003215 5.593 5.177/6.436 5.762 ± 0.8877
ea15 1342 1342/1342 1342 ± 0.00003348 5.336 4.976/6.085 5.544 ± 0.8259
ea16 1342 1342/1342 1342 ± 0.00002652 5.631 5.207/6.437 5.732 ± 0.9452
ea17 1342 1342/1342 1342 ± 0.00003593 5.812 5.341/6.78 5.901 ± 0.8879
ea18 1342 1342/1342 1342 ± 0.00003611 4.765 4.558/5.517 4.918 ± 0.6001
ea19 1342 1342/1342 1342 ± 0.00001454 5.565 5.264/6.585 5.76 ± 0.9672
ea20 1342 1342/1342 1342 ± 0.00003586 5.68 5.508/6.732 5.923 ± 0.8728
ea21 1342 1342/1342 1342 ± 0.00002796 5.397 5.125/6.142 5.556 ± 0.8489
ea22 1342 1342/1342 1342 ± 0.00003859 5.355 5.004/6.348 5.529 ± 0.9406
ea23 1342 1342/1342 1342 ± 0.00003331 5.662 5.29/6.365 5.784 ± 0.8663
ea25 1342 1342/1342 1342 ± 0.00003502 5.41 4.986/6.12 5.475 ± 0.7434
ea27 1342 1342/1342 1342 ± 0.00003528 5.345 5.047/6.214 5.496 ± 0.7498
ea28 1342 1342/1342 1342 ± 0.00003637 5.464 5.192/6.378 5.713 ± 0.8224
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 ± 0.00002441 5.234 5.041/5.426 5.189 ± 0.2772
5 1342 1342/1342 1342 ± 0.00004037 5.083 4.841/5.254 5.052 ± 0.2422
6 1342 1342/1342 1342 ± 0.00002441 5.097 4.995/5.276 5.084 ± 0.2692
7 1342 1342/1342 1342 ± 0.00002441 5.117 4.964/5.218 5.076 ± 0.2464
8 1342 1342/1342 1342 ± 0.00002441 5.135 4.932/5.288 5.082 ± 0.2774
9 1342 1342/1342 1342 ± 0.0000248 5.406 5.316/5.634 5.403 ± 0.2988
10 1342 1342/1342 1342 ± 0.00002443 5.869 5.709/5.951 5.818 ± 0.281
11 1342 1342/1342 1342 ± 0.00002441 6.091 5.995/6.248 6.081 ± 0.2949
12 1342 1342/1342 1342 ± 0.00002441 6.305 6.074/6.419 6.25 ± 0.3058
13 1342 1342/1342 1342 ± 0.00002453 6.536 6.26/6.665 6.439 ± 0.3498
14 1342 1342/1342 1342 ± 0.00002446 6.795 6.462/7.009 6.708 ± 0.4193
15 1342 1342/1342 1342 ± 0.00003826 6.552 6.37/6.796 6.483 ± 0.4836
16 1342 1342/1342 1342 ± 0.00005297 3.764 3.649/3.878 3.76 ± 0.1831
17 1342 1342/1342 1342 ± 0.00005141 3.868 3.724/4.005 3.868 ± 0.2542
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
datacolumn
residual_data
Start time
2025-04-08 16:31:27.033
End
2025-04-08 17:36:40.515
Duration
1:05:13.482
Note, WebLog generation is not included in the time.

CASA logs for stage 8