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

Statwt Summary Plot

VLASS2.1.sb38538105.eb38585498.59082.21856813657_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 5.75 5.205/5.975 5.645 ± 0.502
ea02 1342 1342/1342 1342 ± 0 6.204 5.532/6.423 6.073 ± 0.5899
ea04 1342 1342/1342 1342 ± 0 5.446 5.01/5.907 5.539 ± 0.5352
ea05 1342 1342/1342 1342 ± 0 5.922 5.287/6.198 5.796 ± 0.5685
ea06 1342 1342/1342 1342 ± 0 4.92 4.724/5.283 4.999 ± 0.3486
ea07 1342 1342/1342 1342 ± 0.000002894 5.774 5.461/6.105 5.851 ± 0.5107
ea08 1342 1342/1342 1342 ± 0.000008352 6.019 5.618/6.556 6.112 ± 0.5905
ea09 1342 1342/1342 1342 ± 0 5.752 5.199/6.346 5.826 ± 0.6454
ea10 1342 1342/1342 1342 ± 0.000007431 5.644 5.111/6.317 5.708 ± 0.5978
ea11 1342 1342/1342 1342 ± 0.000004941 5.939 5.172/6.235 5.799 ± 0.5877
ea12 1342 1342/1342 1342 ± 0 5.907 5.36/6.413 5.921 ± 0.6176
ea13 1342 1342/1342 1342 ± 0 6.342 5.815/6.559 6.2 ± 0.4888
ea14 1342 1342/1342 1342 ± 0.00001153 5.883 5.283/6.388 5.86 ± 0.6093
ea15 1342 1342/1342 1342 ± 0 5.691 5.047/6.226 5.721 ± 0.6661
ea16 1342 1342/1342 1342 ± 0 6.205 5.697/6.465 6.19 ± 0.6403
ea17 1342 1342/1342 1342 ± 0.00002102 5.865 5.428/6.21 5.982 ± 0.594
ea18 1342 1342/1342 1342 ± 0 5.145 4.721/5.619 5.182 ± 0.5069
ea19 1342 1342/1342 1342 ± 0 6.176 5.559/6.49 6.113 ± 0.5821
ea20 1342 1342/1342 1342 ± 0 6.266 5.608/6.637 6.218 ± 0.6356
ea21 1342 1342/1342 1342 ± 0 5.571 5.336/6.215 5.774 ± 0.5269
ea22 1342 1342/1342 1342 ± 0 6.131 5.378/6.359 5.924 ± 0.6163
ea25 1342 1342/1342 1342 ± 0.000005981 5.666 5.102/5.96 5.616 ± 0.5512
ea26 1342 1342/1342 1342 ± 0 6.308 5.642/6.698 6.224 ± 0.6096
ea27 1342 1342/1342 1342 ± 0.00003953 5.721 5.227/6.229 5.703 ± 0.5615
ea28 1342 1342/1342 1342 ± 0.00002135 5.824 5.302/6.27 5.836 ± 0.5654
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 ± 0.00002778 5.26 5.059/5.407 5.24 ± 0.2565
4 1342 1342/1342 1342 ± 0.00002637 5.364 5.058/5.564 5.32 ± 0.3529
5 1342 1342/1342 1342 ± 0.00002593 5.315 5.093/5.494 5.311 ± 0.3149
6 1342 1342/1342 1342 ± 0.00002547 5.246 5.111/5.476 5.266 ± 0.2909
7 1342 1342/1342 1342 ± 0.00002491 5.286 5.126/5.428 5.298 ± 0.2621
8 1342 1342/1342 1342 ± 0.00002475 5.271 5.075/5.447 5.266 ± 0.2734
9 1342 1342/1342 1342 ± 0.00002459 5.575 5.374/5.807 5.532 ± 0.3192
10 1342 1342/1342 1342 ± 0.00002475 6.013 5.827/6.193 5.963 ± 0.3183
11 1342 1342/1342 1342 ± 0.00002468 6.219 6.129/6.389 6.191 ± 0.3323
12 1342 1342/1342 1342 ± 0.00002461 6.41 6.146/6.547 6.349 ± 0.3518
13 1342 1342/1342 1342 ± 0.00002461 6.85 6.692/6.965 6.776 ± 0.3675
14 1342 1342/1342 1342 ± 0.00002392 7.005 6.789/7.196 6.939 ± 0.4027
15 1342 1342/1342 1342 ± 0.00002705 6.549 6.248/6.844 6.497 ± 0.3944
16 1342 1342/1342 1342 ± 0.00003232 6.047 5.743/6.305 6.037 ± 0.3767
17 1342 1342/1342 1342 ± 0.00003011 6.028 5.817/6.348 6.042 ± 0.3649
vis
VLASS2.1.sb38538105.eb38585498.59082.21856813657_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2025-03-30 00:40:00.127
End
2025-03-30 01:24:06.027
Duration
0:44:05.901
Note, WebLog generation is not included in the time.

CASA logs for stage 8