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

Statwt Summary Plot

VLASS2.1.sb38598618.eb38624961.59090.97292246528_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 5.338 5.017/5.81 5.45 ± 0.5122
ea02 1342 1342/1342 1342 ± 0 5.595 5.14/6.196 5.689 ± 0.6307
ea04 1342 1342/1342 1342 ± 0 5.169 4.854/5.816 5.376 ± 0.5563
ea05 1342 1342/1342 1342 ± 0 5.515 5.032/6.053 5.604 ± 0.6116
ea06 1342 1342/1342 1342 ± 0 4.793 4.542/5.184 4.874 ± 0.3951
ea07 1342 1342/1342 1342 ± 0 5.62 5.239/5.981 5.701 ± 0.5529
ea08 1342 1342/1342 1342 ± 0 5.652 5.229/6.383 5.84 ± 0.6475
ea09 1342 1342/1342 1342 ± 0 5.486 5.039/6.093 5.618 ± 0.6314
ea10 1342 1342/1342 1342 ± 0.000004936 5.657 5.025/6.288 5.656 ± 0.6546
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.466 5.037/6.1 5.659 ± 0.6443
ea13 1342 1342/1342 1342 ± 0 5.81 5.402/6.133 5.864 ± 0.5065
ea14 1342 1342/1342 1342 ± 0 5.556 4.988/6.116 5.594 ± 0.6252
ea15 1342 1342/1342 1342 ± 0 5.288 4.829/5.911 5.44 ± 0.6588
ea16 1342 1342/1342 1342 ± 0 5.854 5.332/6.294 5.915 ± 0.7105
ea17 1342 1342/1342 1342 ± 0 5.676 5.22/6.16 5.778 ± 0.6092
ea18 1342 1342/1342 1342 ± 0 4.799 4.495/5.34 4.941 ± 0.5231
ea19 1342 1342/1342 1342 ± 0 5.611 5.2/6.182 5.755 ± 0.5919
ea20 1342 1342/1342 1342 ± 0 5.801 5.365/6.442 5.926 ± 0.651
ea21 1342 1342/1342 1342 ± 0 5.432 5.101/6.058 5.584 ± 0.5782
ea22 1342 1342/1342 1342 ± 0 5.535 5.08/6.144 5.611 ± 0.6451
ea23 1342 1342/1342 1342 ± 0 5.738 5.198/6.19 5.795 ± 0.6682
ea25 1342 1342/1342 1342 ± 0 5.327 4.912/5.816 5.419 ± 0.5856
ea26 1342 1342/1342 1342 ± 0 5.825 5.355/6.413 5.905 ± 0.6622
ea27 1342 1342/1342 1342 ± 0.00003043 5.366 4.996/6.088 5.515 ± 0.5689
ea28 1342 1342/1342 1342 ± 0 5.481 5.132/6.218 5.647 ± 0.6116
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 ± 0.0000243 5.017 4.878/5.256 5.036 ± 0.229
3 1342 1342/1342 1342 ± 0.0000243 4.935 4.815/5.158 4.954 ± 0.2343
4 1342 1342/1342 1342 ± 0.00002479 5.08 4.878/5.271 5.036 ± 0.3118
5 1342 1342/1342 1342 ± 0.0000243 5.114 4.894/5.168 5.06 ± 0.2915
6 1342 1342/1342 1342 ± 0.0000243 5.082 4.893/5.211 5.043 ± 0.2726
7 1342 1342/1342 1342 ± 0.0000243 5.048 4.951/5.213 5.075 ± 0.2326
8 1342 1342/1342 1342 ± 0.0000243 5.108 4.892/5.216 5.055 ± 0.2608
9 1342 1342/1342 1342 ± 0.0000243 5.379 5.237/5.595 5.351 ± 0.2904
10 1342 1342/1342 1342 ± 0.0000243 5.788 5.673/5.986 5.777 ± 0.3049
11 1342 1342/1342 1342 ± 0.0000243 6.085 5.894/6.13 5.989 ± 0.3137
12 1342 1342/1342 1342 ± 0.0000243 6.216 6.032/6.364 6.151 ± 0.3325
13 1342 1342/1342 1342 ± 0.0000243 6.583 6.476/6.747 6.553 ± 0.3444
14 1342 1342/1342 1342 ± 0.0000243 6.792 6.557/6.901 6.706 ± 0.3819
15 1342 1342/1342 1342 ± 0.0000243 6.39 6.211/6.554 6.323 ± 0.354
16 1342 1342/1342 1342 ± 0.00003288 5.79 5.621/6.012 5.771 ± 0.2938
17 1342 1342/1342 1342 ± 0.00002635 5.823 5.673/6.004 5.788 ± 0.2911
statwtmode
VLASS-SE
vis
VLASS2.1.sb38598618.eb38624961.59090.97292246528_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-02-06 22:13:40.064
End
2025-02-06 22:47:51.963
Duration
0:34:11.899
Note, WebLog generation is not included in the time.

CASA logs for stage 8