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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.369 5.255/6.16 5.581 ± 0.6464
ea02 1342 1342/1342 1342 ± 0.0000415 5.775 5.359/6.658 5.88 ± 0.8315
ea05 1342 1342/1342 1342 ± 0.00001758 5.498 5.201/6.502 5.781 ± 0.6897
ea06 1342 1342/1342 1342 ± 0 4.885 4.799/5.422 5.027 ± 0.4646
ea07 1342 1342/1342 1342 ± 0.00004098 5.772 5.291/6.028 5.713 ± 0.6424
ea08 1342 1342/1342 1342 ± 0.0000415 5.899 5.569/6.859 6.105 ± 0.8826
ea09 1342 1342/1342 1342 ± 0.00003773 4.208 3.325/6.079 4.545 ± 1.25
ea10 1342 1342/1342 1342 ± 0.00004115 5.285 5.078/6.435 5.637 ± 0.7139
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.675 5.389/6.623 5.893 ± 0.8118
ea13 1342 1342/1342 1342 ± 0.00003123 5.853 5.66/6.381 5.991 ± 0.6973
ea14 1342 1342/1342 1342 ± 0.00000261 6.542 5.955/7.039 6.382 ± 0.7536
ea15 1342 1342/1342 1342 ± 0 5.396 5.172/6.276 5.696 ± 0.7396
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.0000415 5.98 5.61/7.052 6.051 ± 0.8087
ea18 1342 1342/1342 1342 ± 0.00001035 5.009 4.682/5.867 5.162 ± 0.633
ea19 1342 1342/1342 1342 ± 0 5.647 5.382/6.69 5.975 ± 0.6972
ea20 1342 1342/1342 1342 ± 0.000004794 5.968 5.809/7.071 6.169 ± 0.887
ea21 1342 1342/1342 1342 ± 0.000007917 5.544 5.29/6.381 5.773 ± 0.6839
ea22 1342 1342/1342 1342 ± 0.0000415 5.321 5.126/6.411 5.605 ± 0.7867
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.359 5.304/5.397 5.34 ± 0.164
ea26 1342 1342/1342 1342 ± 0.00002173 5.615 5.45/6.682 5.865 ± 0.7741
ea27 1342 1342/1342 1342 ± 0.0000415 5.512 5.188/6.628 5.735 ± 0.7677
ea28 1342 1342/1342 1342 ± 0.00005286 6.605 5.848/7.06 6.239 ± 0.9497
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 ± 0.00002666 5.439 5.232/5.711 5.392 ± 0.5002
3 1342 1342/1342 1342 ± 0.00002666 5.513 5.196/5.67 5.356 ± 0.5422
4 1342 1342/1342 1342 ± 0.00004883 5.283 5.168/5.389 5.267 ± 0.1547
5 1342 1342/1342 1342 ± 0.00002666 5.351 5.25/5.547 5.271 ± 0.5577
6 1342 1342/1342 1342 ± 0.00002666 5.319 5.033/5.435 5.209 ± 0.5163
7 1342 1342/1342 1342 ± 0.00002666 5.351 5.126/5.554 5.235 ± 0.5047
8 1342 1342/1342 1342 ± 0.00002666 5.319 5.04/5.401 5.169 ± 0.5136
9 1342 1342/1342 1342 ± 0.00002666 5.591 5.336/5.788 5.463 ± 0.5892
10 1342 1342/1342 1342 ± 0.00002605 6.074 5.823/6.157 6.006 ± 0.3361
11 1342 1342/1342 1342 ± 0.00002605 6.341 6.244/6.479 6.282 ± 0.3596
12 1342 1342/1342 1342 ± 0.00002605 6.578 6.274/6.676 6.465 ± 0.3809
13 1342 1342/1342 1342 ± 0.00002605 6.883 6.621/7.13 6.824 ± 0.3883
14 1342 1342/1342 1342 ± 0.00002605 7.056 6.745/7.244 6.917 ± 0.4347
15 1342 1342/1342 1342 ± 0.00002605 6.754 6.645/7.022 6.728 ± 0.4608
16 1342 1342/1342 1342 ± 0.00006103 4.613 4.443/4.821 4.665 ± 0.3315
17 1342 1342/1342 1342 ± 0.00006101 4.625 4.479/4.822 4.676 ± 0.2872
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
statwtmode
VLASS-SE
Start time
2024-04-22 09:38:24.080
End
2024-04-22 10:41:08.970
Duration
1:02:44.890
Note, WebLog generation is not included in the time.

CASA logs for stage 7