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

Statwt Summary Plot

VLASS2.1.sb38726305.eb38809014.59142.09063322916_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 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea02 1342 1342/1342 1342 ± 0 5.773 5.248/6.335 5.605 ± 0.9273
ea03 1342 1342/1342 1342 ± 0.00001942 5.01 4.638/5.921 5.2 ± 0.7071
ea04 1342 1342/1342 1342 ± 0.00002164 5.311 5.011/6.056 5.428 ± 0.8562
ea05 1342 1342/1342 1342 ± 0 4.9 4.538/5.483 5.06 ± 0.5961
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.00001612 5.75 5.268/6.237 5.566 ± 0.8982
ea08 1342 1342/1342 1342 ± 0.00004357 5.775 5.43/6.583 5.756 ± 0.9713
ea09 1342 1342/1342 1342 ± 0.00004228 5.538 5.084/6.177 5.481 ± 0.8176
ea10 1342 1342/1342 1342 ± 0.00003857 5.622 5.159/6.45 5.606 ± 0.9541
ea11 1342 1342/1342 1342 ± 0.00004272 5.698 5.023/6.523 5.592 ± 0.9795
ea12 1342 1342/1342 1342 ± 0.00001605 5.505 5.166/6.48 5.624 ± 1.03
ea13 1342 1342/1342 1342 ± 0.00001647 5.755 5.595/6.352 5.762 ± 0.7797
ea14 1342 1342/1342 1342 ± 0.00001431 5.455 5.052/6.356 5.574 ± 0.7829
ea15 1342 1342/1342 1342 ± 0 2.451 2.269/2.796 2.587 ± 0.4087
ea16 1342 1342/1342 1342 ± 0.00001205 5.757 5.391/6.765 5.85 ± 0.9345
ea17 1342 1342/1342 1342 ± 0.00004243 5.95 5.563/6.674 5.94 ± 1.033
ea18 1342 1342/1342 1342 ± 0.0000433 4.747 4.399/5.552 4.811 ± 0.6928
ea19 1342 1342/1342 1342 ± 0.00001056 5.395 5.184/6.221 5.625 ± 0.7323
ea20 1342 1342/1342 1342 ± 0.00003844 5.741 5.554/6.947 5.948 ± 1.097
ea21 1342 1342/1342 1342 ± 0.000001767 5.451 5.232/6.387 5.608 ± 0.7869
ea23 1342 1342/1342 1342 ± 0.000008984 5.774 5.406/6.505 5.727 ± 0.9719
ea24 1342 1342/1342 1342 ± 0.00004372 5.502 5.225/6.264 5.49 ± 0.8355
ea25 1342 1342/1342 1342 ± 0.00004269 5.324 5.161/6.094 5.407 ± 0.8603
ea26 1342 1342/1342 1342 ± 0.00002778 5.659 5.421/6.596 5.787 ± 0.8956
ea27 1342 1342/1342 1342 ± 0.00004162 5.342 5.048/6.359 5.424 ± 0.9102
ea28 1342 1342/1342 1342 ± 0.00004323 5.284 5.031/6.099 5.321 ± 0.837
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 ± 0.00002392 5.296 5.115/5.538 5.201 ± 0.6204
5 1342 1342/1342 1342 ± 0.00002528 5.271 5.015/5.529 5.177 ± 0.5766
6 1342 1342/1342 1342 ± 0.00002392 5.21 5.009/5.415 5.07 ± 0.6343
7 1342 1342/1342 1342 ± 0.00002392 5.226 5.143/5.433 5.131 ± 0.6416
8 1342 1342/1342 1342 ± 0.00002392 5.255 5.088/5.37 5.11 ± 0.6557
9 1342 1342/1342 1342 ± 0.00002392 5.541 5.268/5.745 5.369 ± 0.6959
10 1342 1342/1342 1342 ± 0.00002392 6.025 5.714/6.154 5.798 ± 0.7656
11 1342 1342/1342 1342 ± 0.00002392 6.339 6.089/6.416 6.103 ± 0.7624
12 1342 1342/1342 1342 ± 0.00002392 6.489 6.252/6.645 6.325 ± 0.7946
13 1342 1342/1342 1342 ± 0.00002392 6.59 6.295/6.812 6.457 ± 0.7325
14 1342 1342/1342 1342 ± 0.00002616 6.212 5.887/6.626 6.204 ± 0.7421
15 1342 1342/1342 1342 ± 0.00002392 6.588 6.266/6.896 6.415 ± 0.8878
16 1342 1342/1342 1342 ± 0.00006063 3.788 3.598/4.007 3.765 ± 0.4177
17 1342 1342/1342 1342 ± 0.00006079 3.941 3.807/4.219 3.946 ± 0.4327
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38726305.eb38809014.59142.09063322916_split_split.ms
Start time
2025-01-11 10:21:04.146
End
2025-01-11 11:21:23.786
Duration
1:00:19.640
Note, WebLog generation is not included in the time.

CASA logs for stage 8