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

Statwt Summary Plot

VLASS2.1.sb38483282.eb38504007.59045.97679461805_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 5.716 5.281/6.178 5.736 ± 0.5433
ea02 1342 1342/1342 1342 ± 0.00001236 5.821 5.492/6.618 6.02 ± 0.6479
ea04 1342 1342/1342 1342 ± 0 5.572 5.203/6.104 5.689 ± 0.5156
ea05 1342 1342/1342 1342 ± 0 5.917 5.44/6.546 5.921 ± 0.6082
ea06 1342 1342/1342 1342 ± 0 5.609 5.1/5.987 5.586 ± 0.5092
ea07 1342 1342/1342 1342 ± 0 5.31 5.152/5.514 5.291 ± 0.2028
ea08 1342 1342/1342 1342 ± 0.00002468 5.962 5.628/6.726 6.181 ± 0.6653
ea09 1342 1342/1342 1342 ± 0 5.238 4.985/5.842 5.395 ± 0.4441
ea10 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea11 1342 1342/1342 1342 ± 0.000002267 5.768 5.361/6.431 5.946 ± 0.6115
ea13 1342 1342/1342 1342 ± 0 6.156 5.87/6.384 6.239 ± 0.4563
ea14 1342 1342/1342 1342 ± 0 6.098 5.399/6.518 6.022 ± 0.6582
ea15 1342 1342/1342 1342 ± 0 5.958 5.402/6.41 6.004 ± 0.6571
ea16 1342 1342/1342 1342 ± 0.000003584 6.173 5.625/6.653 6.2 ± 0.6898
ea17 1342 1342/1342 1342 ± 0.00001265 5.736 5.58/5.826 5.704 ± 0.1653
ea18 1342 1342/1342 1342 ± 0.000005066 5.262 4.906/5.768 5.302 ± 0.5149
ea19 1342 1342/1342 1342 ± 0 5.657 5.646/5.802 5.709 ± 0.08534
ea20 1342 1342/1342 1342 ± 0 6.332 5.817/6.905 6.344 ± 0.6316
ea21 1342 1342/1342 1342 ± 0 5.768 5.414/6.369 5.908 ± 0.5615
ea22 1342 1342/1342 1342 ± 0 5.539 5.306/6.506 5.857 ± 0.6347
ea23 1342 1342/1342 1342 ± 0.000009916 6.038 5.465/6.56 6.069 ± 0.6644
ea24 1342 1342/1342 1342 ± 0 5.966 5.179/6.392 5.768 ± 0.598
ea25 1342 1342/1342 1342 ± 0.000005775 5.586 5.398/6.318 5.861 ± 0.5869
ea26 1342 1342/1342 1342 ± 0 6.22 5.837/7.027 6.36 ± 0.6578
ea27 1342 1342/1342 1342 ± 0.000006944 5.421 5.265/5.556 5.418 ± 0.1699
ea28 1342 1342/1342 1342 ± 0.00004018 5.727 5.468/6.549 5.988 ± 0.6437
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 ± 0.00002392 5.478 5.28/5.644 5.474 ± 0.2427
3 1342 1342/1342 1342 ± 0.00002567 5.252 5.113/5.418 5.281 ± 0.2776
4 1342 1342/1342 1342 ± 0.00002422 5.3 5.183/5.592 5.337 ± 0.29
5 1342 1342/1342 1342 ± 0.00002392 5.463 5.268/5.66 5.462 ± 0.3008
6 1342 1342/1342 1342 ± 0.00002392 5.441 5.152/5.591 5.383 ± 0.2789
7 1342 1342/1342 1342 ± 0.00002392 5.41 5.252/5.618 5.433 ± 0.2638
8 1342 1342/1342 1342 ± 0.00002392 5.448 5.148/5.553 5.376 ± 0.2883
9 1342 1342/1342 1342 ± 0.00002398 5.666 5.508/5.918 5.648 ± 0.3094
10 1342 1342/1342 1342 ± 0.000026 6.106 5.914/6.269 6.055 ± 0.3269
11 1342 1342/1342 1342 ± 0.000026 6.342 6.223/6.434 6.282 ± 0.3143
12 1342 1342/1342 1342 ± 0.000026 6.462 6.32/6.572 6.423 ± 0.3165
13 1342 1342/1342 1342 ± 0.000026 6.934 6.573/7.065 6.841 ± 0.3677
14 1342 1342/1342 1342 ± 0.000026 7.126 6.793/7.257 7.037 ± 0.3897
15 1342 1342/1342 1342 ± 0.000026 6.802 6.517/6.955 6.688 ± 0.4001
16 1342 1342/1342 1342 ± 0.00003904 5.888 5.609/6.217 5.894 ± 0.344
17 1342 1342/1342 1342 ± 0.00003885 5.832 5.706/6.21 5.925 ± 0.325
datacolumn
residual_data
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-04-13 04:25:10.309
End
2024-04-13 05:27:01.972
Duration
1:01:51.663
Note, WebLog generation is not included in the time.

CASA logs for stage 7