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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.469 5.293/6.064 5.475 ± 0.9236
ea02 1342 1342/1342 1342 ± 0.00004292 6.043 5.455/6.777 5.854 ± 1.105
ea04 1342 1342/1342 1342 ± 0.00004117 5.472 5.156/6.203 5.376 ± 0.9991
ea05 1342 1342/1342 1342 ± 0.000005079 5.457 5.115/6.225 5.494 ± 0.831
ea06 1342 1342/1342 1342 ± 0.0000421 5.198 4.905/5.847 5.104 ± 0.8777
ea07 1342 1342/1342 1342 ± 0.00004369 5.624 5.391/6.205 5.558 ± 0.9303
ea09 1342 1342/1342 1342 ± 0.00001872 5.503 5.076/5.998 5.331 ± 0.773
ea10 1342 1342/1342 1342 ± 0.00004497 5.124 4.804/5.871 5.087 ± 0.8452
ea11 1342 1342/1342 1342 ± 0.00004299 6 5.405/6.697 5.75 ± 1.06
ea12 1342 1342/1342 1342 ± 0.00004268 5.845 5.497/6.755 5.818 ± 1.11
ea13 1342 1342/1342 1342 ± 0.00001356 5.815 5.662/6.362 5.839 ± 0.8768
ea14 1342 1342/1342 1342 ± 0.00001423 5.714 5.328/6.606 5.692 ± 0.997
ea15 1342 1342/1342 1342 ± 0.00003879 5.748 5.394/6.597 5.707 ± 1.196
ea16 1342 1342/1342 1342 ± 0.0000195 5.809 5.513/6.482 5.748 ± 1.039
ea17 1342 1342/1342 1342 ± 0.00004651 6.028 5.496/6.624 5.874 ± 1.086
ea18 1342 1342/1342 1342 ± 0.00004293 5.111 4.737/5.672 5.022 ± 0.8118
ea19 1342 1342/1342 1342 ± 0 5.734 5.481/6.543 5.778 ± 0.8836
ea20 1342 1342/1342 1342 ± 0.00004293 6.179 5.88/7.074 6.123 ± 1.143
ea21 1342 1342/1342 1342 ± 0.00001488 5.585 5.31/6.278 5.483 ± 0.8931
ea22 1342 1342/1342 1342 ± 0.00003212 5.497 5.211/6.456 5.61 ± 0.9882
ea23 1342 1342/1342 1342 ± 0.00003975 5.691 5.487/6.522 5.703 ± 1.028
ea24 1342 1342/1342 1342 ± 0.0000114 5.279 4.859/6.112 5.341 ± 0.7393
ea25 1342 1342/1342 1342 ± 0.00004405 5.748 5.314/6.368 5.578 ± 0.9979
ea26 1342 1342/1342 1342 ± 0.00002049 5.766 5.622/6.853 5.921 ± 1.002
ea27 1342 1342/1342 1342 ± 0.00004534 5.703 5.292/6.626 5.621 ± 1.033
ea28 1342 1342/1342 1342 ± 0.00004471 5.801 5.564/6.66 5.818 ± 1.061
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 ± 0.00002364 5.477 5.292/5.621 5.431 ± 0.318
3 1342 1342/1342 1342 ± 0.00004883 5.08 4.811/5.421 5.129 ± 0.5017
5 1342 1342/1342 1342 ± 0.00002361 5.403 5.197/5.526 5.377 ± 0.3289
6 1342 1342/1342 1342 ± 0.00002364 5.428 5.117/5.562 5.362 ± 0.2773
7 1342 1342/1342 1342 ± 0.00002364 5.477 5.229/5.588 5.414 ± 0.2887
8 1342 1342/1342 1342 ± 0.00002364 5.465 5.128/5.55 5.384 ± 0.3255
9 1342 1342/1342 1342 ± 0.00002364 5.732 5.383/5.877 5.656 ± 0.3166
10 1342 1342/1342 1342 ± 0.00002364 6.151 5.911/6.268 6.08 ± 0.2991
11 1342 1342/1342 1342 ± 0.00002364 6.406 6.11/6.62 6.382 ± 0.3055
12 1342 1342/1342 1342 ± 0.00002364 6.559 6.329/6.78 6.561 ± 0.3468
13 1342 1342/1342 1342 ± 0.00002396 6.734 6.413/6.968 6.657 ± 0.3897
14 1342 1342/1342 1342 ± 0.00003566 6.253 5.913/6.625 6.266 ± 0.5295
15 1342 1342/1342 1342 ± 0.00002442 6.795 6.193/7.071 6.636 ± 0.5108
16 1342 1342/1342 1342 ± 0.00005736 3.495 3.336/3.721 3.528 ± 0.3009
17 1342 1342/1342 1342 ± 0.00005906 3.652 3.495/3.895 3.706 ± 0.3154
statwtmode
VLASS-SE
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2024-05-17 17:38:23.540
End
2024-05-17 18:27:03.317
Duration
0:48:39.777
Note, WebLog generation is not included in the time.

CASA logs for stage 8