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

Statwt Summary Plot

VLASS2.1.sb38501480.eb38632936.59097.386918425924_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 5.358 5.091/6.208 5.566 ± 0.793
ea02 1342 1342/1342 1342 ± 0.0000496 5.802 5.202/6.674 5.886 ± 0.891
ea04 1342 1342/1342 1342 ± 0.00001352 5.573 4.955/6.13 5.51 ± 0.7798
ea05 1342 1342/1342 1342 ± 0.00001542 5.98 5.097/6.312 5.787 ± 0.8086
ea06 1342 1342/1342 1342 ± 0.00002605 5.071 4.459/5.316 4.871 ± 0.5605
ea07 1342 1342/1342 1342 ± 0.00004155 5.9 5.32/6.404 5.858 ± 0.9297
ea08 1342 1342/1342 1342 ± 0.00004407 5.767 5.395/6.844 6.062 ± 1.025
ea09 1342 1342/1342 1342 ± 0.00003038 5.777 5.081/6.518 5.769 ± 0.8308
ea10 1342 1342/1342 1342 ± 0.00003848 5.717 5.214/6.767 5.889 ± 0.9246
ea11 1342 1342/1342 1342 ± 0.00004329 5.504 5.103/6.606 5.814 ± 0.9715
ea12 1342 1342/1342 1342 ± 0.00003468 5.995 5.227/6.637 5.833 ± 0.9418
ea13 1342 1342/1342 1342 ± 0.00001659 6.057 5.469/6.412 5.986 ± 0.7358
ea14 1342 1342/1342 1342 ± 0.00003694 5.633 5.26/6.54 5.82 ± 0.9052
ea15 1342 1342/1342 1342 ± 0.00001036 5.275 4.99/6.263 5.571 ± 0.8813
ea16 1342 1342/1342 1342 ± 0.00002622 6.009 5.555/6.956 6.125 ± 0.9818
ea17 1342 1342/1342 1342 ± 0.00004401 5.745 5.5/7.077 5.989 ± 1.004
ea18 1342 1342/1342 1342 ± 0.0000438 5.097 4.678/5.747 5.121 ± 0.6801
ea19 1342 1342/1342 1342 ± 0.00001967 6.093 5.573/6.835 6.15 ± 0.8768
ea20 1342 1342/1342 1342 ± 0.0000423 6.127 5.541/6.999 6.129 ± 1.031
ea21 1342 1342/1342 1342 ± 0.00003043 5.698 5.344/6.492 5.783 ± 0.8514
ea22 1342 1342/1342 1342 ± 0.00003905 5.146 4.923/6.397 5.591 ± 0.7938
ea23 1342 1342/1342 1342 ± 0.0000428 5.797 5.41/6.753 5.954 ± 1.014
ea25 1342 1342/1342 1342 ± 0.00004335 5.496 5.156/6.405 5.661 ± 0.8696
ea26 1342 1342/1342 1342 ± 0.00002948 5.972 5.671/6.796 6.141 ± 0.8737
ea27 1342 1342/1342 1342 ± 0.00004365 5.579 5.249/6.649 5.738 ± 0.915
ea28 1342 1342/1342 1342 ± 0.0000441 5.72 5.344/6.655 5.876 ± 0.9681
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 ± 0.0000235 5.633 5.382/5.91 5.637 ± 0.3319
5 1342 1342/1342 1342 ± 0.00003449 5.637 5.452/5.779 5.588 ± 0.3252
6 1342 1342/1342 1342 ± 0.0000235 5.22 5.062/5.342 5.196 ± 0.2807
7 1342 1342/1342 1342 ± 0.0000235 5.265 5.105/5.411 5.251 ± 0.2807
8 1342 1342/1342 1342 ± 0.0000235 5.331 5.083/5.428 5.252 ± 0.3053
9 1342 1342/1342 1342 ± 0.0000235 5.536 5.267/5.768 5.492 ± 0.355
10 1342 1342/1342 1342 ± 0.0000235 6.099 5.931/6.307 6.058 ± 0.3352
11 1342 1342/1342 1342 ± 0.0000235 6.438 6.249/6.533 6.35 ± 0.3515
12 1342 1342/1342 1342 ± 0.0000235 6.623 6.398/6.75 6.549 ± 0.3842
13 1342 1342/1342 1342 ± 0.0000235 7.056 6.765/7.26 6.986 ± 0.4224
14 1342 1342/1342 1342 ± 0.0000235 7.271 7.001/7.455 7.163 ± 0.4639
15 1342 1342/1342 1342 ± 0.00002399 6.698 6.427/6.97 6.629 ± 0.4648
16 1342 1342/1342 1342 ± 0.000056 4.338 4.173/4.562 4.36 ± 0.2387
17 1342 1342/1342 1342 ± 0.00005871 4.353 4.189/4.579 4.383 ± 0.2548
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-11-02 20:00:59.759
End
2024-11-02 21:09:53.707
Duration
1:08:53.948
Note, WebLog generation is not included in the time.

CASA logs for stage 8