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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.434 5.237/6.041 5.395 ± 0.9346
ea02 1342 1342/1342 1342 ± 0.00004321 6.007 5.465/6.607 5.75 ± 1.152
ea04 1342 1342/1342 1342 ± 0.00003105 5.531 5.14/6.204 5.415 ± 1.001
ea05 1342 1342/1342 1342 ± 0.00001039 5.483 5.1/6.247 5.512 ± 0.8529
ea06 1342 1342/1342 1342 ± 0.00003707 5.161 4.945/5.873 5.153 ± 0.8955
ea07 1342 1342/1342 1342 ± 0.00004382 5.682 5.4/6.176 5.536 ± 0.9762
ea09 1342 1342/1342 1342 ± 0.000003465 5.261 5.089/5.998 5.313 ± 0.7796
ea10 1342 1342/1342 1342 ± 0.00004637 5.123 4.808/5.882 5.075 ± 0.8716
ea11 1342 1342/1342 1342 ± 0.00004209 5.786 5.377/6.652 5.691 ± 1.052
ea12 1342 1342/1342 1342 ± 0.00004105 5.922 5.585/6.746 5.878 ± 1.146
ea13 1342 1342/1342 1342 ± 0.00001341 5.834 5.654/6.364 5.822 ± 0.8417
ea14 1342 1342/1342 1342 ± 0.00001591 5.66 5.325/6.6 5.653 ± 1.023
ea15 1342 1342/1342 1342 ± 0.00002267 5.717 5.487/6.592 5.753 ± 1.198
ea16 1342 1342/1342 1342 ± 0.00002326 5.735 5.492/6.49 5.704 ± 1.082
ea17 1342 1342/1342 1342 ± 0.00004501 5.909 5.503/6.588 5.806 ± 1.08
ea18 1342 1342/1342 1342 ± 0.00004337 5.083 4.705/5.759 5.03 ± 0.8419
ea19 1342 1342/1342 1342 ± 0.00000223 5.732 5.487/6.519 5.773 ± 0.8911
ea20 1342 1342/1342 1342 ± 0.00004272 6.125 5.95/7.26 6.182 ± 1.234
ea21 1342 1342/1342 1342 ± 0.00001831 5.434 5.313/6.281 5.469 ± 0.9094
ea22 1342 1342/1342 1342 ± 0.00003168 5.47 5.206/6.401 5.538 ± 1.033
ea23 1342 1342/1342 1342 ± 0.00004221 5.6 5.427/6.5 5.681 ± 1.07
ea24 1342 1342/1342 1342 ± 0 5.142 4.882/6.106 5.363 ± 0.727
ea25 1342 1342/1342 1342 ± 0.00004419 5.5 5.339/6.342 5.547 ± 1.001
ea26 1342 1342/1342 1342 ± 0.00001564 5.775 5.615/6.627 5.874 ± 0.9713
ea27 1342 1342/1342 1342 ± 0.00004604 5.581 5.275/6.603 5.575 ± 1.055
ea28 1342 1342/1342 1342 ± 0.00004539 5.761 5.553/6.644 5.732 ± 1.077
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 ± 0.00002352 5.522 5.308/5.698 5.47 ± 0.318
3 1342 1342/1342 1342 ± 0.0000453 5.207 5.009/5.422 5.192 ± 0.4092
5 1342 1342/1342 1342 ± 0.00002545 5.405 5.208/5.588 5.396 ± 0.318
6 1342 1342/1342 1342 ± 0.00002352 5.415 5.128/5.573 5.366 ± 0.2792
7 1342 1342/1342 1342 ± 0.00002352 5.474 5.251/5.589 5.414 ± 0.2854
8 1342 1342/1342 1342 ± 0.00002352 5.446 5.117/5.559 5.371 ± 0.3207
9 1342 1342/1342 1342 ± 0.00002352 5.717 5.318/5.848 5.633 ± 0.3061
10 1342 1342/1342 1342 ± 0.00002352 6.141 5.912/6.269 6.072 ± 0.2979
11 1342 1342/1342 1342 ± 0.00002352 6.393 6.108/6.599 6.369 ± 0.2995
12 1342 1342/1342 1342 ± 0.00002352 6.56 6.293/6.788 6.55 ± 0.3466
13 1342 1342/1342 1342 ± 0.00002377 6.662 6.378/6.911 6.64 ± 0.4021
14 1342 1342/1342 1342 ± 0.00003847 6.111 5.812/6.486 6.194 ± 0.5651
15 1342 1342/1342 1342 ± 0.00002359 6.843 6.432/7.106 6.724 ± 0.4547
16 1342 1342/1342 1342 ± 0.00005838 3.429 3.282/3.668 3.497 ± 0.2961
17 1342 1342/1342 1342 ± 0.00006064 3.513 3.388/3.707 3.58 ± 0.277
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2024-05-18 11:55:08.280
End
2024-05-18 12:45:18.152
Duration
0:50:09.872
Note, WebLog generation is not included in the time.

CASA logs for stage 8