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

Statwt Summary Plot

VLASS2.1.sb38610763.eb38659643.59111.9147512037_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 5.6 5.306/6.104 5.715 ± 0.5638
ea02 1342 1342/1342 1342 ± 0 5.519 5.239/6.255 5.77 ± 0.6613
ea04 1342 1342/1342 1342 ± 0 5.259 4.97/5.909 5.464 ± 0.5635
ea05 1342 1342/1342 1342 ± 0 5.466 5.047/5.905 5.537 ± 0.5784
ea06 1342 1342/1342 1342 ± 0 4.938 4.684/5.348 5.032 ± 0.3959
ea07 1342 1342/1342 1342 ± 0 5.968 5.442/6.201 5.962 ± 0.5862
ea08 1342 1342/1342 1342 ± 0 5.778 5.592/6.644 6.123 ± 0.6915
ea09 1342 1342/1342 1342 ± 0 5.335 4.859/5.929 5.435 ± 0.6137
ea10 1342 1342/1342 1342 ± 0 6.078 5.426/6.756 6.022 ± 0.7255
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.719 5.336/6.387 5.916 ± 0.661
ea13 1342 1342/1342 1342 ± 0 5.91 5.24/6.102 5.74 ± 0.5733
ea14 1342 1342/1342 1342 ± 0 5.729 5.242/6.385 5.834 ± 0.6981
ea15 1342 1342/1342 1342 ± 0 5.445 5.084/6.115 5.648 ± 0.6494
ea16 1342 1342/1342 1342 ± 0 5.991 5.49/6.691 6.147 ± 0.75
ea17 1342 1342/1342 1342 ± 0.000001561 5.947 5.631/6.545 6.128 ± 0.6398
ea18 1342 1342/1342 1342 ± 0 4.995 4.688/5.537 5.099 ± 0.5587
ea19 1342 1342/1342 1342 ± 0 5.801 5.352/6.508 5.991 ± 0.6741
ea20 1342 1342/1342 1342 ± 0 6.062 5.664/6.73 6.237 ± 0.6705
ea21 1342 1342/1342 1342 ± 0 5.635 5.257/6.19 5.753 ± 0.5919
ea22 1342 1342/1342 1342 ± 0 5.264 5.032/6.107 5.543 ± 0.6327
ea23 1342 1342/1342 1342 ± 0 6.029 5.46/6.452 6.097 ± 0.6941
ea25 1342 1342/1342 1342 ± 0 5.631 5.298/6.204 5.786 ± 0.5812
ea26 1342 1342/1342 1342 ± 0 5.777 5.123/6.413 5.716 ± 0.6948
ea27 1342 1342/1342 1342 ± 0.000005055 5.569 5.224/6.368 5.742 ± 0.6145
ea28 1342 1342/1342 1342 ± 0.00001687 5.717 5.451/6.48 5.966 ± 0.6885
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 ± 0.00002394 5.2 5.086/5.421 5.246 ± 0.2702
3 1342 1342/1342 1342 ± 0.00002394 5.15 4.796/5.38 5.092 ± 0.3017
4 1342 1342/1342 1342 ± 0.00002467 5.171 4.852/5.453 5.157 ± 0.3273
5 1342 1342/1342 1342 ± 0.00002394 5.301 5.033/5.478 5.224 ± 0.3196
6 1342 1342/1342 1342 ± 0.00002394 5.264 5.034/5.371 5.183 ± 0.3122
7 1342 1342/1342 1342 ± 0.00002394 5.292 5.079/5.43 5.258 ± 0.2625
8 1342 1342/1342 1342 ± 0.00002394 5.252 4.986/5.433 5.217 ± 0.3133
9 1342 1342/1342 1342 ± 0.00002394 5.515 5.268/5.807 5.484 ± 0.3458
10 1342 1342/1342 1342 ± 0.00002394 5.935 5.78/6.122 5.924 ± 0.3436
11 1342 1342/1342 1342 ± 0.00002394 6.154 5.964/6.35 6.142 ± 0.339
12 1342 1342/1342 1342 ± 0.00002441 6.366 6.132/6.59 6.32 ± 0.3748
13 1342 1342/1342 1342 ± 0.00002394 6.791 6.525/7.051 6.755 ± 0.3898
14 1342 1342/1342 1342 ± 0.00002394 7.016 6.729/7.242 6.937 ± 0.4307
15 1342 1342/1342 1342 ± 0.00002394 6.63 6.429/6.858 6.592 ± 0.419
16 1342 1342/1342 1342 ± 0.00002554 5.958 5.669/6.15 5.943 ± 0.3996
17 1342 1342/1342 1342 ± 0.00002595 5.938 5.657/6.215 5.945 ± 0.3837
output_dir
 
vis
VLASS2.1.sb38610763.eb38659643.59111.9147512037_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-12-31 10:48:15.542
End
2024-12-31 11:53:11.699
Duration
1:04:56.156
Note, WebLog generation is not included in the time.

CASA logs for stage 8