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 5.391 5.04/5.812 5.304 ± 0.8209
ea02 1342 1342/1342 1342 ± 0.00004267 5.724 5.224/6.519 5.714 ± 1.001
ea04 1342 1342/1342 1342 ± 0.000003592 5.31 5.203/6.06 5.406 ± 0.7769
ea05 1342 1342/1342 1342 ± 0.00001601 5.427 5.082/6.164 5.517 ± 0.8119
ea06 1342 1342/1342 1342 ± 0.000008744 5.171 4.595/5.296 4.852 ± 0.7902
ea07 1342 1342/1342 1342 ± 0.00004358 5.852 5.426/6.198 5.637 ± 0.8819
ea08 1342 1342/1342 1342 ± 0.00004272 5.786 5.464/6.664 5.833 ± 1.035
ea09 1342 1342/1342 1342 ± 0.00002628 5.314 4.989/6.377 5.534 ± 0.8098
ea10 1342 1342/1342 1342 ± 0.00004535 5.685 5.266/6.373 5.637 ± 0.8965
ea11 1342 1342/1342 1342 ± 0.00003702 5.576 5.147/6.345 5.506 ± 0.9994
ea12 1342 1342/1342 1342 ± 0.00001269 5.453 5.372/6.46 5.649 ± 1.016
ea13 1342 1342/1342 1342 ± 0.00002891 5.816 5.439/6.313 5.88 ± 0.8121
ea14 1342 1342/1342 1342 ± 0.00001298 5.521 5.205/6.398 5.584 ± 0.8658
ea15 1342 1342/1342 1342 ± 0.000001607 5.293 5.088/6.128 5.492 ± 0.8757
ea16 1342 1342/1342 1342 ± 0.00003247 5.892 5.521/6.643 5.875 ± 0.9722
ea17 1342 1342/1342 1342 ± 0.00004327 5.812 5.315/6.43 5.723 ± 0.9973
ea18 1342 1342/1342 1342 ± 0.00002375 4.864 4.579/5.574 4.864 ± 0.8079
ea19 1342 1342/1342 1342 ± 0.000002273 5.659 5.492/6.629 5.795 ± 0.8736
ea20 1342 1342/1342 1342 ± 0.00001832 5.736 5.605/6.734 5.832 ± 1.117
ea21 1342 1342/1342 1342 ± 0.00002753 5.538 5.341/6.138 5.481 ± 0.8321
ea22 1342 1342/1342 1342 ± 0.00003911 5.449 5.025/6.398 5.572 ± 0.9002
ea23 1342 1342/1342 1342 ± 0.00004245 5.74 5.306/6.404 5.713 ± 0.9529
ea25 1342 1342/1342 1342 ± 0.00004272 5.376 4.843/6.082 5.342 ± 0.8809
ea26 1342 1342/1342 1342 ± 0.00003394 5.775 5.429/6.759 5.97 ± 0.9153
ea27 1342 1342/1342 1342 ± 0.00004764 5.414 4.964/6.162 5.387 ± 0.8384
ea28 1342 1342/1342 1342 ± 0.00004312 5.571 5.274/6.372 5.579 ± 0.9677
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.
3 1342 1342/1342 1342 ± 0.00002761 5.172 4.918/5.461 5.163 ± 0.3476
5 1342 1342/1342 1342 ± 0.00002439 5.378 5.199/5.559 5.396 ± 0.2474
6 1342 1342/1342 1342 ± 0.00002392 5.436 5.242/5.599 5.387 ± 0.2797
7 1342 1342/1342 1342 ± 0.00002392 5.375 5.219/5.518 5.387 ± 0.2495
8 1342 1342/1342 1342 ± 0.00002392 5.342 5.109/5.468 5.307 ± 0.2361
9 1342 1342/1342 1342 ± 0.00002392 5.59 5.375/5.751 5.529 ± 0.2711
10 1342 1342/1342 1342 ± 0.00002348 5.968 5.709/6.144 5.907 ± 0.3355
11 1342 1342/1342 1342 ± 0.00002348 6.27 6.106/6.395 6.191 ± 0.3368
12 1342 1342/1342 1342 ± 0.00002348 6.398 6.192/6.531 6.36 ± 0.3642
13 1342 1342/1342 1342 ± 0.00002348 6.742 6.441/6.863 6.646 ± 0.37
14 1342 1342/1342 1342 ± 0.00003103 6.534 6.158/6.833 6.472 ± 0.4704
15 1342 1342/1342 1342 ± 0.00002348 6.73 6.419/6.965 6.637 ± 0.4873
16 1342 1342/1342 1342 ± 0.00006021 3.739 3.552/3.904 3.757 ± 0.2971
17 1342 1342/1342 1342 ± 0.0000609 3.891 3.724/4.048 3.901 ± 0.2687
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38487128.eb38624732.59090.114586261574_split_split.ms
overwrite_modelcol
False
Start time
2024-04-24 02:29:10.132
End
2024-04-24 02:58:33.523
Duration
0:29:23.392
Note, WebLog generation is not included in the time.

CASA logs for stage 7