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

Statwt Summary Plot

VLASS2.1.sb38498189.eb38518036.59051.15321533565_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 4.977 4.731/5.853 5.259 ± 0.7509
ea02 1342 1342/1342 1342 ± 0.0000425 5.288 4.944/6.367 5.577 ± 0.9192
ea04 1342 1342/1342 1342 ± 0.00002773 4.964 4.755/5.682 5.171 ± 0.6973
ea05 1342 1342/1342 1342 ± 0.00001645 5.171 4.871/6.329 5.514 ± 0.8401
ea06 1342 1342/1342 1342 ± 0.00003637 4.614 4.396/5.385 4.799 ± 0.5978
ea07 1342 1342/1342 1342 ± 0.00004161 5.34 4.996/5.997 5.491 ± 0.811
ea08 1342 1342/1342 1342 ± 0.00004387 5.405 5.114/6.509 5.741 ± 0.9736
ea09 1342 1342/1342 1342 ± 0.0000192 5.054 4.69/5.855 5.189 ± 0.6701
ea10 1342 1342/1342 1342 ± 0.00004238 4.569 4.28/5.343 4.765 ± 0.6545
ea11 1342 1342/1342 1342 ± 0.00004394 5.384 5.035/6.344 5.578 ± 0.8767
ea12 1342 1342/1342 1342 ± 0.00004464 5.089 4.915/5.884 5.401 ± 0.7912
ea13 1342 1342/1342 1342 ± 0.00001117 5.331 5.182/6.032 5.644 ± 0.7205
ea14 1342 1342/1342 1342 ± 0.00004262 5.305 4.981/6.36 5.58 ± 0.8699
ea15 1342 1342/1342 1342 ± 0.00002104 5.143 4.968/6.108 5.445 ± 0.8233
ea16 1342 1342/1342 1342 ± 0.00002915 5.319 5.107/6.553 5.705 ± 1.014
ea17 1342 1342/1342 1342 ± 0.0000435 5.445 5.028/6.263 5.629 ± 0.9033
ea18 1342 1342/1342 1342 ± 0.00004395 4.656 4.46/5.338 4.887 ± 0.6328
ea19 1342 1342/1342 1342 ± 0.0000292 5.412 5.168/6.547 5.714 ± 0.8878
ea20 1342 1342/1342 1342 ± 0.00004273 5.591 5.333/6.512 5.764 ± 0.8938
ea21 1342 1342/1342 1342 ± 0.00003605 5.321 4.843/6.16 5.471 ± 0.8519
ea22 1342 1342/1342 1342 ± 0.00002434 5.025 4.695/6.197 5.415 ± 0.803
ea23 1342 1342/1342 1342 ± 0.00004263 5.357 4.941/6.428 5.645 ± 0.9236
ea24 1342 1342/1342 1342 ± 0.000013 4.926 4.592/5.987 5.231 ± 0.7367
ea25 1342 1342/1342 1342 ± 0.00004325 5.126 4.693/5.855 5.266 ± 0.7876
ea26 1342 1342/1342 1342 ± 0.00001924 5.362 5.172/6.545 5.776 ± 0.8789
ea27 1342 1342/1342 1342 ± 0.00004304 5.273 4.926/6.28 5.46 ± 0.8249
ea28 1342 1342/1342 1342 ± 0.00004275 5.17 5.092/6.33 5.574 ± 0.8755
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 ± 0.00002307 4.944 4.655/5.102 4.872 ± 0.3144
5 1342 1342/1342 1342 ± 0.00003381 5.129 4.966/5.289 5.109 ± 0.2717
6 1342 1342/1342 1342 ± 0.00002307 4.973 4.7/5.139 4.923 ± 0.2609
7 1342 1342/1342 1342 ± 0.00002307 4.979 4.796/5.156 4.945 ± 0.2605
8 1342 1342/1342 1342 ± 0.00002307 5.012 4.765/5.16 4.976 ± 0.2988
9 1342 1342/1342 1342 ± 0.00002347 5.193 4.934/5.354 5.128 ± 0.2871
10 1342 1342/1342 1342 ± 0.00002307 5.847 5.611/5.935 5.752 ± 0.3134
11 1342 1342/1342 1342 ± 0.00002307 6.046 5.849/6.255 6.011 ± 0.3202
12 1342 1342/1342 1342 ± 0.00002307 6.202 5.988/6.422 6.186 ± 0.3526
13 1342 1342/1342 1342 ± 0.00002307 6.721 6.321/6.89 6.562 ± 0.4155
14 1342 1342/1342 1342 ± 0.00002307 6.873 6.527/7.096 6.743 ± 0.4359
15 1342 1342/1342 1342 ± 0.00002308 6.182 5.81/6.519 6.121 ± 0.5441
16 1342 1342/1342 1342 ± 0.0000553 4.128 4.006/4.26 4.128 ± 0.1724
17 1342 1342/1342 1342 ± 0.00005925 4.346 4.189/4.477 4.344 ± 0.2285
vis
VLASS2.1.sb38498189.eb38518036.59051.15321533565_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-04-20 22:20:50.417
End
2024-04-20 23:16:48.518
Duration
0:55:58.101
Note, WebLog generation is not included in the time.

CASA logs for stage 7