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 5.097 5.024/5.742 5.123 ± 0.8834
ea02 1342 1342/1342 1342 ± 0.00004228 5.742 5.177/6.337 5.538 ± 1.016
ea04 1342 1342/1342 1342 ± 0.0000326 5.107 4.841/5.799 5.074 ± 0.9651
ea05 1342 1342/1342 1342 ± 0.00001181 5.354 4.945/6.084 5.36 ± 0.8046
ea06 1342 1342/1342 1342 ± 0.0000404 5.47 4.117/5.705 4.784 ± 1.063
ea07 1342 1342/1342 1342 ± 0.00004337 5.406 5.119/5.879 5.263 ± 0.8958
ea08 1342 1342/1342 1342 ± 0.00004267 5.858 5.362/6.503 5.677 ± 1.105
ea09 1342 1342/1342 1342 ± 0.000004141 5.302 4.992/6.009 5.325 ± 0.8104
ea10 1342 1342/1342 1342 ± 0.00004437 5.116 4.882/6.104 5.206 ± 0.9392
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00004005 5.397 5.043/6.3 5.408 ± 1.061
ea13 1342 1342/1342 1342 ± 0.00000952 5.665 5.391/6.137 5.635 ± 0.8231
ea14 1342 1342/1342 1342 ± 0.00001632 5.362 5.086/6.337 5.413 ± 0.9252
ea15 1342 1342/1342 1342 ± 0.00002611 5.171 4.962/6.056 5.248 ± 1.081
ea16 1342 1342/1342 1342 ± 0.00002085 5.444 5.193/6.104 5.406 ± 0.9332
ea17 1342 1342/1342 1342 ± 0.00004496 5.732 5.254/6.354 5.568 ± 1.065
ea18 1342 1342/1342 1342 ± 0.00004383 4.739 4.566/5.444 4.749 ± 0.7837
ea19 1342 1342/1342 1342 ± 0.00000262 5.513 5.262/6.318 5.577 ± 0.8339
ea20 1342 1342/1342 1342 ± 0.00004241 5.619 5.508/6.681 5.703 ± 1.114
ea21 1342 1342/1342 1342 ± 0.00001622 5.144 5.088/6.001 5.23 ± 0.8281
ea22 1342 1342/1342 1342 ± 0.00002608 5.342 5.024/6.244 5.434 ± 0.9329
ea23 1342 1342/1342 1342 ± 0.00004043 5.299 5.095/6.147 5.354 ± 0.9631
ea25 1342 1342/1342 1342 ± 0.0000436 5.256 5.002/5.975 5.228 ± 0.9347
ea27 1342 1342/1342 1342 ± 0.00004491 5.285 4.937/6.206 5.249 ± 0.9682
ea28 1342 1342/1342 1342 ± 0.00004449 5.411 5.203/6.252 5.398 ± 1.009
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 ± 0.0000244 5.224 5.049/5.414 5.179 ± 0.31
5 1342 1342/1342 1342 ± 0.00002548 5.106 4.99/5.293 5.161 ± 0.2647
6 1342 1342/1342 1342 ± 0.00002465 5.14 5.034/5.292 5.121 ± 0.2747
7 1342 1342/1342 1342 ± 0.0000244 5.123 4.955/5.223 5.082 ± 0.2857
8 1342 1342/1342 1342 ± 0.00002465 5.128 4.942/5.266 5.094 ± 0.2649
9 1342 1342/1342 1342 ± 0.00002465 5.4 5.303/5.588 5.38 ± 0.307
10 1342 1342/1342 1342 ± 0.0000244 5.847 5.663/5.928 5.807 ± 0.2909
11 1342 1342/1342 1342 ± 0.0000244 6.114 5.983/6.259 6.089 ± 0.295
12 1342 1342/1342 1342 ± 0.0000244 6.318 6.036/6.44 6.256 ± 0.3073
13 1342 1342/1342 1342 ± 0.00002461 6.425 6.158/6.577 6.357 ± 0.3149
14 1342 1342/1342 1342 ± 0.00003575 5.915 5.547/6.311 5.965 ± 0.4964
15 1342 1342/1342 1342 ± 0.00002442 6.416 6.177/6.633 6.375 ± 0.3943
16 1342 1342/1342 1342 ± 0.00005734 3.251 3.072/3.528 3.312 ± 0.3232
17 1342 1342/1342 1342 ± 0.00005983 3.434 3.294/3.626 3.474 ± 0.2831
output_dir
 
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-11-02 08:22:55.537
End
2024-11-02 09:07:58.465
Duration
0:45:02.928
Note, WebLog generation is not included in the time.

CASA logs for stage 8