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

Statwt Summary Plot

VLASS2.1.sb38487128.eb38624732.59090.114586261574_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 5.288 5.056/5.754 5.249 ± 0.8419
ea02 1342 1342/1342 1342 ± 0.0000426 5.708 5.235/6.482 5.682 ± 0.9954
ea04 1342 1342/1342 1342 ± 0.000002156 5.255 5.184/5.909 5.343 ± 0.7698
ea05 1342 1342/1342 1342 ± 0.00001552 5.386 5.062/6.114 5.472 ± 0.7905
ea06 1342 1342/1342 1342 ± 0.000004954 5.141 4.493/5.284 4.806 ± 0.8046
ea07 1342 1342/1342 1342 ± 0.00004352 5.811 5.395/6.192 5.6 ± 0.9042
ea08 1342 1342/1342 1342 ± 0.00004265 5.77 5.426/6.65 5.797 ± 1.054
ea09 1342 1342/1342 1342 ± 0.00002622 5.383 4.968/6.357 5.49 ± 0.8083
ea10 1342 1342/1342 1342 ± 0.0000452 5.613 5.262/6.342 5.573 ± 0.9307
ea11 1342 1342/1342 1342 ± 0.00003854 5.46 5.139/6.281 5.433 ± 1.027
ea12 1342 1342/1342 1342 ± 0.000007353 5.426 5.36/6.446 5.599 ± 0.9889
ea13 1342 1342/1342 1342 ± 0.00002994 5.795 5.368/6.266 5.803 ± 0.806
ea14 1342 1342/1342 1342 ± 0.0000173 5.439 5.237/6.38 5.571 ± 0.8315
ea15 1342 1342/1342 1342 ± 0.000002156 5.122 4.982/6.099 5.415 ± 0.8638
ea16 1342 1342/1342 1342 ± 0.00002809 5.856 5.465/6.555 5.835 ± 0.9385
ea17 1342 1342/1342 1342 ± 0.00004456 5.781 5.255/6.424 5.656 ± 1.037
ea18 1342 1342/1342 1342 ± 0.00002245 4.825 4.599/5.561 4.813 ± 0.8106
ea19 1342 1342/1342 1342 ± 0.000001245 5.648 5.478/6.475 5.766 ± 0.8281
ea20 1342 1342/1342 1342 ± 0.00001327 5.724 5.575/6.603 5.78 ± 1.09
ea21 1342 1342/1342 1342 ± 0.00002447 5.493 5.303/6.125 5.444 ± 0.8068
ea22 1342 1342/1342 1342 ± 0.00004219 5.378 5.005/6.362 5.529 ± 0.9034
ea23 1342 1342/1342 1342 ± 0.00004174 5.589 5.332/6.371 5.666 ± 0.9658
ea25 1342 1342/1342 1342 ± 0.0000431 5.299 4.838/6.084 5.26 ± 0.9176
ea26 1342 1342/1342 1342 ± 0.00003671 5.717 5.442/6.712 5.891 ± 0.9143
ea27 1342 1342/1342 1342 ± 0.00004807 5.392 4.852/6.133 5.337 ± 0.8773
ea28 1342 1342/1342 1342 ± 0.0000434 5.555 5.24/6.389 5.554 ± 1.017
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 ± 0.00002543 5.354 5.129/5.622 5.382 ± 0.2795
3 1342 1342/1342 1342 ± 0.00003257 5.06 4.796/5.382 5.071 ± 0.3504
5 1342 1342/1342 1342 ± 0.00002435 5.397 5.211/5.58 5.408 ± 0.2593
6 1342 1342/1342 1342 ± 0.00002392 5.381 5.22/5.572 5.356 ± 0.2698
7 1342 1342/1342 1342 ± 0.00002392 5.376 5.181/5.514 5.364 ± 0.2525
8 1342 1342/1342 1342 ± 0.00002392 5.305 5.067/5.429 5.28 ± 0.2335
9 1342 1342/1342 1342 ± 0.00002392 5.541 5.352/5.714 5.504 ± 0.2767
10 1342 1342/1342 1342 ± 0.00002348 5.948 5.695/6.106 5.877 ± 0.3328
11 1342 1342/1342 1342 ± 0.00002348 6.219 6.061/6.368 6.162 ± 0.3344
12 1342 1342/1342 1342 ± 0.00002348 6.375 6.198/6.527 6.335 ± 0.3548
13 1342 1342/1342 1342 ± 0.00002348 6.71 6.384/6.821 6.608 ± 0.3662
14 1342 1342/1342 1342 ± 0.00002893 6.45 6.038/6.748 6.385 ± 0.4861
15 1342 1342/1342 1342 ± 0.00002408 6.601 6.311/6.876 6.515 ± 0.4803
16 1342 1342/1342 1342 ± 0.00006009 3.607 3.425/3.833 3.646 ± 0.3079
17 1342 1342/1342 1342 ± 0.00006094 3.85 3.645/4.046 3.841 ± 0.2778
datacolumn
residual_data
vis
VLASS2.1.sb38487128.eb38624732.59090.114586261574_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2024-04-17 09:22:14.714
End
2024-04-17 10:18:00.890
Duration
0:55:46.176
Note, WebLog generation is not included in the time.

CASA logs for stage 7