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

Statwt Summary Plot

VLASS2.1.sb38547417.eb38659598.59111.3291737963_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 5.776 5.461/6.317 5.89 ± 0.4785
ea02 1342 1342/1342 1342 ± 0 6.262 5.816/6.841 6.358 ± 0.6342
ea04 1342 1342/1342 1342 ± 0.00004063 5.241 5.035/5.864 5.326 ± 0.7253
ea05 1342 1342/1342 1342 ± 0 5.457 5.071/6.113 5.505 ± 0.739
ea06 1342 1342/1342 1342 ± 0 4.881 4.789/5.321 5.031 ± 0.3174
ea07 1342 1342/1342 1342 ± 0.00001813 6.125 5.752/6.461 6.08 ± 0.6984
ea08 1342 1342/1342 1342 ± 0 6.527 5.95/7.09 6.544 ± 0.7336
ea09 1342 1342/1342 1342 ± 0 5.84 5.378/6.529 5.782 ± 0.8361
ea10 1342 1342/1342 1342 ± 0.00002534 6.083 5.558/6.743 6.057 ± 0.847
ea11 1342 1342/1342 1342 ± 0 5.934 5.411/6.766 6.164 ± 0.8354
ea12 1342 1342/1342 1342 ± 0.00001533 5.672 5.48/6.535 5.778 ± 0.9714
ea13 1342 1342/1342 1342 ± 0 6.029 5.713/6.547 6.026 ± 0.8467
ea14 1342 1342/1342 1342 ± 0.00001612 5.796 5.327/6.537 5.695 ± 0.834
ea15 1342 1342/1342 1342 ± 0.00003239 5.545 5.291/6.421 5.696 ± 0.9146
ea16 1342 1342/1342 1342 ± 0 6.026 5.669/6.814 5.953 ± 0.9231
ea17 1342 1342/1342 1342 ± 0 6.112 5.712/6.957 6.288 ± 0.6306
ea18 1342 1342/1342 1342 ± 0 5.306 4.951/5.754 5.376 ± 0.4295
ea19 1342 1342/1342 1342 ± 0 5.815 5.614/6.598 5.874 ± 0.849
ea20 1342 1342/1342 1342 ± 0 5.924 5.805/6.933 6.152 ± 0.9295
ea21 1342 1342/1342 1342 ± 0.00001045 5.637 5.326/6.309 5.594 ± 0.7903
ea22 1342 1342/1342 1342 ± 0 5.573 5.198/6.411 5.768 ± 0.7433
ea23 1342 1342/1342 1342 ± 0.00001888 6.083 5.673/6.777 6.088 ± 0.821
ea25 1342 1342/1342 1342 ± 0.000004465 5.924 5.491/6.6 6.049 ± 0.5922
ea26 1342 1342/1342 1342 ± 0.00001426 6.145 5.867/6.983 6.272 ± 0.9232
ea27 1342 1342/1342 1342 ± 0.00002588 5.712 5.351/6.505 5.826 ± 0.7718
ea28 1342 1342/1342 1342 ± 0.000003411 6.142 5.724/6.829 6.316 ± 0.641
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 ± 0.00002365 5.449 5.295/5.807 5.469 ± 0.2999
5 1342 1342/1342 1342 ± 0.0000241 5.578 5.349/5.738 5.554 ± 0.3071
6 1342 1342/1342 1342 ± 0.0000241 5.561 5.337/5.697 5.529 ± 0.2874
7 1342 1342/1342 1342 ± 0.00002365 5.553 5.431/5.735 5.51 ± 0.2899
8 1342 1342/1342 1342 ± 0.00002365 5.571 5.336/5.711 5.496 ± 0.3248
9 1342 1342/1342 1342 ± 0.00002365 5.768 5.517/6.032 5.719 ± 0.3579
10 1342 1342/1342 1342 ± 0.00002365 6.248 5.978/6.453 6.176 ± 0.3875
11 1342 1342/1342 1342 ± 0.00002365 6.49 6.311/6.635 6.404 ± 0.3703
12 1342 1342/1342 1342 ± 0.00002365 6.609 6.395/6.793 6.509 ± 0.5067
13 1342 1342/1342 1342 ± 0.00002365 6.98 6.597/7.156 6.872 ± 0.4372
14 1342 1342/1342 1342 ± 0.00003307 6.884 6.392/7.201 6.782 ± 0.5447
15 1342 1342/1342 1342 ± 0.00002393 6.754 6.436/7.029 6.64 ± 0.5825
16 1342 1342/1342 1342 ± 0.00004485 4.034 3.897/4.21 4.046 ± 0.2117
17 1342 1342/1342 1342 ± 0.00004519 4.038 3.941/4.139 4.048 ± 0.1517
output_dir
 
vis
VLASS2.1.sb38547417.eb38659598.59111.3291737963_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-02-19 00:56:34.685
End
2025-02-19 01:17:59.850
Duration
0:21:25.165
Note, WebLog generation is not included in the time.

CASA logs for stage 8