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

Statwt Summary Plot

VLASS2.1.sb38652042.eb38809484.59142.37127280093_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 5.907 5.386/6.442 5.739 ± 0.9321
ea03 1342 1342/1342 1342 ± 0.00001993 5.059 4.814/5.917 5.211 ± 0.7659
ea04 1342 1342/1342 1342 ± 0.00001762 5.5 5.194/6.05 5.453 ± 0.9188
ea05 1342 1342/1342 1342 ± 0.000009316 5.36 4.949/6.166 5.491 ± 0.8248
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.00002179 5.98 5.529/6.399 5.832 ± 0.9738
ea08 1342 1342/1342 1342 ± 0.0000423 5.811 5.43/6.636 5.841 ± 1.018
ea09 1342 1342/1342 1342 ± 0.00003802 5.704 5.198/6.299 5.629 ± 0.8431
ea10 1342 1342/1342 1342 ± 0.00002891 5.905 5.309/6.642 5.786 ± 0.9535
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003837 5.678 5.324/6.584 5.749 ± 0.9653
ea13 1342 1342/1342 1342 ± 0.00001645 5.861 5.531/6.318 5.82 ± 0.7559
ea14 1342 1342/1342 1342 ± 0.00002107 5.595 5.308/6.456 5.681 ± 0.9367
ea15 1342 1342/1342 1342 ± 0.000003829 2.601 2.423/2.992 2.735 ± 0.4805
ea17 1342 1342/1342 1342 ± 0.00004013 6.203 5.752/7.01 6.151 ± 1.11
ea18 1342 1342/1342 1342 ± 0.00004157 4.841 4.679/5.427 4.868 ± 0.6722
ea19 1342 1342/1342 1342 ± 0.00001552 5.646 5.378/6.54 5.817 ± 0.8953
ea20 1342 1342/1342 1342 ± 0.00004022 5.889 5.801/6.933 6.026 ± 1.025
ea21 1342 1342/1342 1342 ± 0.00001218 5.683 5.439/6.508 5.794 ± 0.9524
ea23 1342 1342/1342 1342 ± 0.00001899 5.539 5.414/5.695 5.267 ± 0.8023
ea24 1342 1342/1342 1342 ± 0.00003998 5.619 5.382/6.32 5.658 ± 0.8297
ea25 1342 1342/1342 1342 ± 0.00004051 5.615 5.281/6.249 5.548 ± 0.9093
ea26 1342 1342/1342 1342 ± 0.00001531 5.86 5.705/6.693 6.021 ± 0.8509
ea27 1342 1342/1342 1342 ± 0.00003593 5.511 5.19/6.486 5.609 ± 0.925
ea28 1342 1342/1342 1342 ± 0.00003844 5.427 5.202/6.179 5.516 ± 0.8038
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 ± 0.00002492 5.407 5.29/5.689 5.325 ± 0.6287
5 1342 1342/1342 1342 ± 0.00002525 5.43 5.175/5.59 5.256 ± 0.6842
6 1342 1342/1342 1342 ± 0.00002491 5.296 5.061/5.455 5.119 ± 0.6366
7 1342 1342/1342 1342 ± 0.00002492 5.394 5.277/5.502 5.271 ± 0.6442
8 1342 1342/1342 1342 ± 0.00002492 5.327 5.186/5.44 5.227 ± 0.6604
9 1342 1342/1342 1342 ± 0.00002492 5.595 5.292/5.852 5.437 ± 0.7059
10 1342 1342/1342 1342 ± 0.00002492 6.007 5.694/6.257 5.825 ± 0.7963
11 1342 1342/1342 1342 ± 0.00002492 6.305 6.045/6.56 6.159 ± 0.759
12 1342 1342/1342 1342 ± 0.00002492 6.51 6.302/6.641 6.356 ± 0.8033
13 1342 1342/1342 1342 ± 0.00002492 6.639 6.378/6.899 6.497 ± 0.716
14 1342 1342/1342 1342 ± 0.00003147 6.281 5.877/6.738 6.231 ± 0.728
15 1342 1342/1342 1342 ± 0.00002492 6.503 6.151/6.864 6.359 ± 0.8642
16 1342 1342/1342 1342 ± 0.00005945 3.479 3.286/3.643 3.408 ± 0.387
17 1342 1342/1342 1342 ± 0.00006065 3.724 3.527/3.903 3.681 ± 0.4217
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38652042.eb38809484.59142.37127280093_split_split.ms
statwtmode
VLASS-SE
Start time
2025-01-11 17:05:44.217
End
2025-01-11 18:14:59.631
Duration
1:09:15.414
Note, WebLog generation is not included in the time.

CASA logs for stage 8