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

Statwt Summary Plot

VLASS2.1.sb38447583.eb38589602.59083.73025677083_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 5.088 4.928/5.67 5.29 ± 0.4915
ea02 1342 1342/1342 1342 ± 0.00003841 5.46 5.162/6.214 5.568 ± 0.7632
ea04 1342 1342/1342 1342 ± 0.000032 4.937 4.746/5.746 5.123 ± 0.6544
ea05 1342 1342/1342 1342 ± 0.0000112 5.247 4.917/5.984 5.335 ± 0.7191
ea06 1342 1342/1342 1342 ± 0.00003519 4.533 4.37/5.339 4.755 ± 0.6286
ea07 1342 1342/1342 1342 ± 0.00003574 5.267 4.998/5.851 5.383 ± 0.5712
ea08 1342 1342/1342 1342 ± 0.0000396 5.518 5.213/6.354 5.611 ± 0.8198
ea09 1342 1342/1342 1342 ± 0.00002439 5.118 4.934/6.005 5.251 ± 0.8005
ea10 1342 1342/1342 1342 ± 0.00004214 5.046 4.817/5.982 5.262 ± 0.679
ea11 1342 1342/1342 1342 ± 0.00003158 5.235 4.909/6.15 5.403 ± 0.6832
ea12 1342 1342/1342 1342 ± 0.00003567 5.216 4.902/6.102 5.416 ± 0.8155
ea13 1342 1342/1342 1342 ± 0.00001244 5.571 5.457/6.199 5.624 ± 0.8633
ea14 1342 1342/1342 1342 ± 0.0000165 5.202 4.96/6.187 5.394 ± 0.6696
ea15 1342 1342/1342 1342 ± 0.00002692 4.855 4.69/5.895 5.217 ± 0.7562
ea16 1342 1342/1342 1342 ± 0.00002121 5.391 5.123/6.225 5.626 ± 0.6944
ea17 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea18 1342 1342/1342 1342 ± 0.00003199 4.718 4.393/5.373 4.804 ± 0.5111
ea19 1342 1342/1342 1342 ± 0.000002959 5.371 5.141/6.162 5.518 ± 0.7056
ea20 1342 1342/1342 1342 ± 0.00003732 5.535 5.255/6.448 5.674 ± 0.8651
ea21 1342 1342/1342 1342 ± 0.00001718 5.067 4.804/5.885 5.236 ± 0.6266
ea22 1342 1342/1342 1342 ± 0.00002213 5.305 4.967/6.168 5.413 ± 0.7873
ea23 1342 1342/1342 1342 ± 0.00003044 5.54 5.007/6.09 5.505 ± 0.638
ea25 1342 1342/1342 1342 ± 0.0000376 5.062 4.867/5.84 5.33 ± 0.5851
ea26 1342 1342/1342 1342 ± 0.00001631 5.425 5.278/6.537 5.585 ± 0.9254
ea27 1342 1342/1342 1342 ± 0.00004494 5.102 4.83/6.018 5.271 ± 0.6786
ea28 1342 1342/1342 1342 ± 0.00004171 5.376 4.979/6.187 5.449 ± 0.7244
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 4.983 4.908/5.277 5.052 ± 0.2625
3 1342 1342/1342 1342 ± 0.00003539 4.818 4.626/4.967 4.8 ± 0.334
4 1342 1342/1342 1342 ± 0.00002992 4.859 4.708/4.947 4.788 ± 0.2811
5 1342 1342/1342 1342 ± 0.00002438 4.901 4.695/5.179 4.928 ± 0.3266
6 1342 1342/1342 1342 ± 0.00002394 5.059 4.907/5.266 5.059 ± 0.283
7 1342 1342/1342 1342 ± 0.00002394 5.099 4.936/5.211 5.076 ± 0.2472
8 1342 1342/1342 1342 ± 0.00002394 5.068 4.894/5.231 5.04 ± 0.2524
9 1342 1342/1342 1342 ± 0.00002394 5.347 5.239/5.536 5.333 ± 0.2949
10 1342 1342/1342 1342 ± 0.00002394 5.804 5.677/5.94 5.753 ± 0.2997
11 1342 1342/1342 1342 ± 0.00002394 6.091 5.897/6.197 6.019 ± 0.3019
12 1342 1342/1342 1342 ± 0.00002394 6.205 6.011/6.339 6.163 ± 0.2967
13 1342 1342/1342 1342 ± 0.00002406 6.361 6.141/6.527 6.308 ± 0.3057
14 1342 1342/1342 1342 ± 0.00003323 5.988 5.726/6.297 6.036 ± 0.4022
15 1342 1342/1342 1342 ± 0.00002397 6.249 6.023/6.563 6.227 ± 0.413
16 1342 1342/1342 1342 ± 0.00006082 4.139 3.847/4.511 4.191 ± 0.435
17 1342 1342/1342 1342 ± 0.00006103 4.166 3.912/4.459 4.217 ± 0.4226
datacolumn
residual_data
vis
VLASS2.1.sb38447583.eb38589602.59083.73025677083_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2024-11-17 01:31:40.004
End
2024-11-17 02:33:33.692
Duration
1:01:53.688
Note, WebLog generation is not included in the time.

CASA logs for stage 8