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

Statwt Summary Plot

VLASS2.1.sb38542200.eb38575552.59076.152969456016_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 5.606 5.126/5.966 5.52 ± 0.5654
ea02 1342 1342/1342 1342 ± 0.00002548 5.712 5.172/6.415 5.836 ± 0.7928
ea04 1342 1342/1342 1342 ± 0.00003287 5.238 4.933/5.879 5.286 ± 0.6834
ea05 1342 1342/1342 1342 ± 0.00002428 5.428 5.157/6.387 5.616 ± 0.8525
ea06 1342 1342/1342 1342 ± 0.00003287 4.879 4.678/5.343 4.92 ± 0.5591
ea07 1342 1342/1342 1342 ± 0.00001645 5.903 5.248/6.468 5.814 ± 0.6479
ea08 1342 1342/1342 1342 ± 0.000019 6.479 5.442/6.776 6.154 ± 0.7565
ea09 1342 1342/1342 1342 ± 0.00003347 5.247 4.9/6.019 5.295 ± 0.806
ea10 1342 1342/1342 1342 ± 0.00001573 6.043 5.049/6.324 5.734 ± 0.6529
ea11 1342 1342/1342 1342 ± 0.0000167 6.022 5.333/6.326 5.781 ± 0.6144
ea12 1342 1342/1342 1342 ± 0.00003061 5.578 5.193/6.357 5.644 ± 0.7621
ea13 1342 1342/1342 1342 ± 0.00002436 5.799 5.526/6.206 5.825 ± 0.8462
ea14 1342 1342/1342 1342 ± 0.00003279 5.594 5.26/6.429 5.771 ± 0.8697
ea15 1342 1342/1342 1342 ± 0.00003384 5.311 4.999/6.102 5.488 ± 0.8304
ea16 1342 1342/1342 1342 ± 0.0000329 5.726 5.421/6.616 5.875 ± 0.9783
ea17 1342 1342/1342 1342 ± 0.00001978 5.933 5.546/6.71 6.032 ± 0.6906
ea18 1342 1342/1342 1342 ± 0.00002027 4.968 4.692/5.492 5.051 ± 0.5211
ea19 1342 1342/1342 1342 ± 0.00001833 5.64 5.381/6.634 5.86 ± 0.9108
ea20 1342 1342/1342 1342 ± 0.00002641 6.178 5.622/6.63 6.037 ± 0.7629
ea21 1342 1342/1342 1342 ± 0.00002975 5.482 5.216/6.216 5.636 ± 0.8135
ea22 1342 1342/1342 1342 ± 0.00003513 5.377 5.042/6.408 5.606 ± 0.9369
ea23 1342 1342/1342 1342 ± 0.00002266 5.671 5.355/6.47 5.893 ± 0.8238
ea25 1342 1342/1342 1342 ± 0.000017 5.902 5.166/6.167 5.649 ± 0.581
ea27 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea28 1342 1342/1342 1342 ± 0.0000208 5.554 5.295/6.378 5.865 ± 0.7315
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 ± 0.00002444 5.263 5.092/5.471 5.279 ± 0.2545
5 1342 1342/1342 1342 ± 0.00002445 5.275 5.089/5.452 5.264 ± 0.3639
6 1342 1342/1342 1342 ± 0.00002444 5.209 5.001/5.361 5.181 ± 0.265
7 1342 1342/1342 1342 ± 0.00002444 5.152 5.046/5.379 5.183 ± 0.2393
8 1342 1342/1342 1342 ± 0.00002444 5.236 4.98/5.354 5.157 ± 0.2725
9 1342 1342/1342 1342 ± 0.0000246 5.499 5.282/5.682 5.426 ± 0.323
10 1342 1342/1342 1342 ± 0.00002444 5.937 5.725/5.993 5.844 ± 0.3131
11 1342 1342/1342 1342 ± 0.00002444 6.187 5.92/6.27 6.1 ± 0.3085
12 1342 1342/1342 1342 ± 0.00002444 6.364 6.053/6.453 6.284 ± 0.3354
13 1342 1342/1342 1342 ± 0.00002444 6.653 6.379/6.812 6.578 ± 0.4055
14 1342 1342/1342 1342 ± 0.00002602 6.604 6.247/6.898 6.514 ± 0.5193
15 1342 1342/1342 1342 ± 0.00002458 6.624 6.419/6.863 6.561 ± 0.424
16 1342 1342/1342 1342 ± 0.00005099 3.651 3.52/3.798 3.664 ± 0.2622
17 1342 1342/1342 1342 ± 0.00004487 3.795 3.55/4.045 3.813 ± 0.4232
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.1.sb38542200.eb38575552.59076.152969456016_split_split.ms
Start time
2024-04-19 01:40:35.656
End
2024-04-19 02:07:10.288
Duration
0:26:34.632
Note, WebLog generation is not included in the time.

CASA logs for stage 7