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

Statwt Summary Plot

VLASS2.1.sb38610195.eb38638028.59101.102248043986_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 5.917 5.345/6.163 5.805 ± 0.6096
ea02 1342 1342/1342 1342 ± 0.0000149 5.871 5.456/6.524 6.059 ± 0.6804
ea04 1342 1342/1342 1342 ± 0 5.629 5.113/6.179 5.729 ± 0.617
ea05 1342 1342/1342 1342 ± 0 5.987 5.365/6.483 5.897 ± 0.634
ea06 1342 1342/1342 1342 ± 0 4.88 4.7/5.264 4.97 ± 0.3522
ea07 1342 1342/1342 1342 ± 0 6.24 5.539/6.389 6.171 ± 0.6304
ea08 1342 1342/1342 1342 ± 0 5.892 5.557/6.668 6.138 ± 0.6944
ea09 1342 1342/1342 1342 ± 0 5.828 5.286/6.425 5.935 ± 0.6765
ea10 1342 1342/1342 1342 ± 0 6.085 5.379/6.667 6.036 ± 0.7295
ea11 1342 1342/1342 1342 ± 0 6.029 5.247/6.513 5.991 ± 0.7024
ea12 1342 1342/1342 1342 ± 0 5.713 5.426/6.42 6.021 ± 0.691
ea13 1342 1342/1342 1342 ± 0 6.285 5.788/6.417 6.189 ± 0.496
ea14 1342 1342/1342 1342 ± 0 6.035 5.298/6.51 5.981 ± 0.7194
ea15 1342 1342/1342 1342 ± 0 5.86 5.176/6.368 5.886 ± 0.7307
ea16 1342 1342/1342 1342 ± 0 6.33 5.722/6.948 6.449 ± 0.8007
ea17 1342 1342/1342 1342 ± 0.000002202 6.078 5.694/6.714 6.257 ± 0.7224
ea18 1342 1342/1342 1342 ± 0 5.148 4.733/5.632 5.225 ± 0.537
ea19 1342 1342/1342 1342 ± 0 6.373 5.668/6.947 6.395 ± 0.7255
ea20 1342 1342/1342 1342 ± 0 6.337 5.745/6.946 6.332 ± 0.6463
ea21 1342 1342/1342 1342 ± 0 5.961 5.444/6.435 5.983 ± 0.6058
ea22 1342 1342/1342 1342 ± 0 5.437 5.244/6.175 5.729 ± 0.6698
ea23 1342 1342/1342 1342 ± 0 6.271 5.565/6.709 6.254 ± 0.7293
ea25 1342 1342/1342 1342 ± 0 5.506 5.215/6.226 5.708 ± 0.5968
ea26 1342 1342/1342 1342 ± 0 6.341 5.697/7 6.326 ± 0.6805
ea27 1342 1342/1342 1342 ± 0.000001595 5.65 5.341/6.514 5.831 ± 0.6536
ea28 1342 1342/1342 1342 ± 0.00002025 5.754 5.439/6.469 5.951 ± 0.6832
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 ± 0.00002348 5.374 5.204/5.685 5.42 ± 0.285
3 1342 1342/1342 1342 ± 0.00003837 4.977 4.819/5.143 4.98 ± 0.2271
4 1342 1342/1342 1342 ± 0.00002417 5.394 5.075/5.514 5.287 ± 0.3327
5 1342 1342/1342 1342 ± 0.00002348 5.479 5.203/5.691 5.422 ± 0.3339
6 1342 1342/1342 1342 ± 0.00002348 5.352 5.157/5.505 5.332 ± 0.2988
7 1342 1342/1342 1342 ± 0.00002348 5.396 5.243/5.577 5.396 ± 0.2788
8 1342 1342/1342 1342 ± 0.00002348 5.434 5.156/5.536 5.362 ± 0.307
9 1342 1342/1342 1342 ± 0.00002348 5.665 5.481/5.955 5.65 ± 0.3409
10 1342 1342/1342 1342 ± 0.00002348 6.133 5.973/6.33 6.087 ± 0.3323
11 1342 1342/1342 1342 ± 0.00002348 6.362 6.24/6.572 6.32 ± 0.3482
12 1342 1342/1342 1342 ± 0.00002393 6.522 6.261/6.718 6.429 ± 0.4922
13 1342 1342/1342 1342 ± 0.00002348 7.016 6.789/7.174 6.972 ± 0.4305
14 1342 1342/1342 1342 ± 0.00002348 7.226 6.991/7.482 7.178 ± 0.4693
15 1342 1342/1342 1342 ± 0.00002381 6.877 6.67/7.126 6.795 ± 0.4704
16 1342 1342/1342 1342 ± 0.00002493 6.17 5.887/6.489 6.133 ± 0.4375
17 1342 1342/1342 1342 ± 0.00002689 6.136 5.899/6.391 6.126 ± 0.4115
vis
VLASS2.1.sb38610195.eb38638028.59101.102248043986_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
Start time
2025-01-08 10:27:55.170
End
2025-01-08 11:33:41.005
Duration
1:05:45.835
Note, WebLog generation is not included in the time.

CASA logs for stage 8