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 5.399 5.122/6.121 5.535 ± 0.7276
ea02 1342 1342/1342 1342 ± 0.00004356 5.73 5.257/6.566 5.854 ± 0.8211
ea05 1342 1342/1342 1342 ± 0.00002036 5.851 5.109/6.389 5.79 ± 0.7028
ea06 1342 1342/1342 1342 ± 0.00001526 5.199 4.787/5.572 5.156 ± 0.5734
ea07 1342 1342/1342 1342 ± 0.00004421 5.756 5.33/5.97 5.592 ± 0.7988
ea08 1342 1342/1342 1342 ± 0.00004332 6.258 5.568/6.866 6.17 ± 0.9366
ea09 1342 1342/1342 1342 ± 0.00002639 4.51 3.315/5.686 4.58 ± 1.16
ea10 1342 1342/1342 1342 ± 0.00004394 5.632 5.023/6.398 5.603 ± 0.8111
ea11 1342 1342/1342 1342 ± 0 5.567 5.38/6.441 5.967 ± 0.6746
ea12 1342 1342/1342 1342 ± 0.00001646 5.75 5.255/6.584 5.817 ± 0.8529
ea13 1342 1342/1342 1342 ± 0.00001526 6.157 5.398/6.295 5.951 ± 0.6458
ea14 1342 1342/1342 1342 ± 0.00004431 6.49 5.782/6.963 6.164 ± 0.9421
ea15 1342 1342/1342 1342 ± 0.00001194 5.329 5.196/6.209 5.649 ± 0.7753
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00004234 5.758 5.66/7.07 6 ± 0.943
ea18 1342 1342/1342 1342 ± 0.00003422 4.731 4.432/5.698 4.993 ± 0.6871
ea19 1342 1342/1342 1342 ± 0.00001361 5.909 5.426/6.638 5.975 ± 0.7544
ea20 1342 1342/1342 1342 ± 0.00002609 6.014 5.672/7.007 6.108 ± 0.9243
ea21 1342 1342/1342 1342 ± 0.00003332 5.872 5.336/6.277 5.736 ± 0.7328
ea22 1342 1342/1342 1342 ± 0.00003848 5.617 4.984/6.504 5.732 ± 0.7857
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.346 5.334/5.47 5.37 ± 0.1795
ea26 1342 1342/1342 1342 ± 0.00002805 5.575 5.424/6.461 5.801 ± 0.699
ea27 1342 1342/1342 1342 ± 0.00004255 5.415 5.113/6.458 5.636 ± 0.8078
ea28 1342 1342/1342 1342 ± 0.00005288 6.463 5.894/6.911 6.124 ± 0.9896
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.
3 1342 1342/1342 1342 ± 0.000029 5.378 4.962/5.596 5.237 ± 0.5616
5 1342 1342/1342 1342 ± 0.000026 5.667 5.326/5.885 5.526 ± 0.656
6 1342 1342/1342 1342 ± 0.000026 5.355 5.168/5.44 5.225 ± 0.5124
7 1342 1342/1342 1342 ± 0.000026 5.286 5.105/5.457 5.19 ± 0.4909
8 1342 1342/1342 1342 ± 0.000026 5.25 5.075/5.394 5.154 ± 0.5096
9 1342 1342/1342 1342 ± 0.00002603 5.419 5.243/5.592 5.305 ± 0.5528
10 1342 1342/1342 1342 ± 0.00002543 6.029 5.847/6.119 5.963 ± 0.3477
11 1342 1342/1342 1342 ± 0.00002543 6.278 6.208/6.403 6.219 ± 0.3504
12 1342 1342/1342 1342 ± 0.00002543 6.461 6.2/6.564 6.385 ± 0.3663
13 1342 1342/1342 1342 ± 0.00002543 6.816 6.451/7.01 6.755 ± 0.373
14 1342 1342/1342 1342 ± 0.00002543 6.994 6.747/7.228 6.93 ± 0.4089
15 1342 1342/1342 1342 ± 0.00002606 6.505 6.366/6.733 6.485 ± 0.4398
16 1342 1342/1342 1342 ± 0.00006002 4.441 4.237/4.628 4.433 ± 0.2567
17 1342 1342/1342 1342 ± 0.00006045 4.569 4.356/4.761 4.559 ± 0.2961
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
statwtmode
VLASS-SE
Start time
2024-04-22 07:17:34.805
End
2024-04-22 08:19:42.080
Duration
1:02:07.274
Note, WebLog generation is not included in the time.

CASA logs for stage 7