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 5.136 4.995/5.733 5.18 ± 0.8143
ea02 1342 1342/1342 1342 ± 0.00004327 5.715 5.197/6.267 5.454 ± 1.063
ea04 1342 1342/1342 1342 ± 0.00002601 5.278 4.928/5.86 5.195 ± 0.8945
ea05 1342 1342/1342 1342 ± 0.000003929 5.397 4.981/6.041 5.338 ± 0.8267
ea06 1342 1342/1342 1342 ± 0.00003914 4.492 4.308/5.429 4.681 ± 0.8712
ea07 1342 1342/1342 1342 ± 0.0000395 5.472 5.171/5.939 5.312 ± 0.9597
ea08 1342 1342/1342 1342 ± 0.00004474 5.707 5.32/6.507 5.581 ± 1.18
ea09 1342 1342/1342 1342 ± 0.00002179 5.213 5.05/6.036 5.267 ± 0.8899
ea10 1342 1342/1342 1342 ± 0.00004125 5.187 4.883/6.152 5.269 ± 0.8741
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.0000433 5.307 5.039/6.349 5.402 ± 1.149
ea13 1342 1342/1342 1342 ± 0.00001637 5.768 5.318/6.209 5.571 ± 0.9265
ea14 1342 1342/1342 1342 ± 0.000008767 5.437 5.103/6.345 5.384 ± 1.036
ea15 1342 1342/1342 1342 ± 0.00001133 5.166 4.999/6.075 5.319 ± 1.027
ea16 1342 1342/1342 1342 ± 0.0000175 5.579 5.23/6.083 5.394 ± 1.019
ea17 1342 1342/1342 1342 ± 0.00004279 5.622 5.227/6.334 5.586 ± 0.9782
ea18 1342 1342/1342 1342 ± 0.00003965 4.799 4.575/5.582 4.838 ± 0.8165
ea19 1342 1342/1342 1342 ± 0.000002929 5.548 5.294/6.281 5.566 ± 0.8816
ea20 1342 1342/1342 1342 ± 0.00004255 5.58 5.526/6.753 5.725 ± 1.186
ea21 1342 1342/1342 1342 ± 0.00001011 5.269 5.128/6.052 5.262 ± 0.8756
ea22 1342 1342/1342 1342 ± 0.0000426 5.344 5.074/6.127 5.326 ± 0.9843
ea23 1342 1342/1342 1342 ± 0.0000326 5.37 5.276/6.194 5.529 ± 0.9093
ea25 1342 1342/1342 1342 ± 0.0000398 5.241 4.993/5.981 5.225 ± 0.9209
ea27 1342 1342/1342 1342 ± 0.00004483 5.21 4.945/6.103 5.194 ± 1.001
ea28 1342 1342/1342 1342 ± 0.00004615 5.376 5.197/6.269 5.337 ± 1.067
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 ± 0.00002443 5.191 4.998/5.403 5.179 ± 0.2869
5 1342 1342/1342 1342 ± 0.00002547 5.225 5.055/5.412 5.241 ± 0.3264
6 1342 1342/1342 1342 ± 0.00002443 5.138 5.042/5.284 5.107 ± 0.2809
7 1342 1342/1342 1342 ± 0.00002443 5.143 5.028/5.279 5.111 ± 0.2654
8 1342 1342/1342 1342 ± 0.00002443 5.172 4.954/5.3 5.12 ± 0.2806
9 1342 1342/1342 1342 ± 0.00002443 5.381 5.214/5.584 5.345 ± 0.3116
10 1342 1342/1342 1342 ± 0.00002441 5.888 5.721/5.969 5.842 ± 0.2897
11 1342 1342/1342 1342 ± 0.00002441 6.16 5.986/6.272 6.09 ± 0.306
12 1342 1342/1342 1342 ± 0.00002441 6.299 6.124/6.448 6.253 ± 0.323
13 1342 1342/1342 1342 ± 0.00002473 6.356 6.133/6.515 6.324 ± 0.3379
14 1342 1342/1342 1342 ± 0.00004142 5.714 5.471/6.082 5.821 ± 0.5201
15 1342 1342/1342 1342 ± 0.00002441 6.454 6.159/6.617 6.385 ± 0.388
16 1342 1342/1342 1342 ± 0.00005886 3.168 3.004/3.413 3.221 ± 0.3286
17 1342 1342/1342 1342 ± 0.00005988 3.257 3.094/3.495 3.301 ± 0.3396
datacolumn
residual_data
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2024-11-02 06:15:42.849
End
2024-11-02 06:59:40.904
Duration
0:43:58.055
Note, WebLog generation is not included in the time.

CASA logs for stage 8