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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.337 5.205/5.99 5.326 ± 0.9628
ea02 1342 1342/1342 1342 ± 0.00004233 5.86 5.366/6.469 5.68 ± 1.088
ea04 1342 1342/1342 1342 ± 0.0000306 5.452 5.054/6.104 5.41 ± 0.8881
ea05 1342 1342/1342 1342 ± 0.0000209 5.373 5.045/6.141 5.413 ± 0.8763
ea06 1342 1342/1342 1342 ± 0.00004184 4.902 4.679/5.374 4.745 ± 0.8445
ea07 1342 1342/1342 1342 ± 0.00004348 5.749 5.387/6.184 5.5 ± 1.033
ea08 1342 1342/1342 1342 ± 0.00004313 5.876 5.54/6.785 5.836 ± 1.175
ea09 1342 1342/1342 1342 ± 0.000008435 5.618 5.1/6.112 5.507 ± 0.8009
ea10 1342 1342/1342 1342 ± 0.00004506 5.355 5.147/6.248 5.419 ± 1.027
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00004157 5.607 5.282/6.573 5.583 ± 1.153
ea13 1342 1342/1342 1342 ± 0.00001406 5.787 5.408/6.404 5.78 ± 0.9434
ea14 1342 1342/1342 1342 ± 0.00001608 5.578 5.284/6.594 5.592 ± 1.068
ea15 1342 1342/1342 1342 ± 0.00003571 5.376 5.161/6.262 5.418 ± 1.161
ea16 1342 1342/1342 1342 ± 0.00002278 5.717 5.469/6.332 5.614 ± 1.063
ea17 1342 1342/1342 1342 ± 0.00004587 5.898 5.464/6.632 5.783 ± 1.157
ea18 1342 1342/1342 1342 ± 0.00004344 4.941 4.742/5.532 4.913 ± 0.8726
ea19 1342 1342/1342 1342 ± 0.000003128 5.657 5.392/6.449 5.696 ± 0.92
ea20 1342 1342/1342 1342 ± 0.00004269 5.805 5.649/6.805 5.874 ± 1.238
ea21 1342 1342/1342 1342 ± 0.00001886 5.415 5.323/6.268 5.425 ± 0.9498
ea22 1342 1342/1342 1342 ± 0.00003082 5.353 5.105/6.289 5.428 ± 0.9873
ea23 1342 1342/1342 1342 ± 0.00004029 5.568 5.456/6.453 5.589 ± 1.088
ea25 1342 1342/1342 1342 ± 0.00004482 5.424 5.228/6.229 5.429 ± 1.027
ea27 1342 1342/1342 1342 ± 0.00004535 5.482 5.177/6.41 5.444 ± 1.042
ea28 1342 1342/1342 1342 ± 0.00004529 5.674 5.444/6.541 5.641 ± 1.105
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 ± 0.0000244 5.457 5.237/5.625 5.421 ± 0.2709
3 1342 1342/1342 1342 ± 0.00004883 4.997 4.803/5.367 5.078 ± 0.352
5 1342 1342/1342 1342 ± 0.00002553 5.367 5.166/5.51 5.357 ± 0.2724
6 1342 1342/1342 1342 ± 0.0000244 5.347 5.15/5.462 5.308 ± 0.2752
7 1342 1342/1342 1342 ± 0.0000244 5.337 5.17/5.468 5.304 ± 0.2601
8 1342 1342/1342 1342 ± 0.0000244 5.334 5.157/5.479 5.298 ± 0.2917
9 1342 1342/1342 1342 ± 0.0000244 5.572 5.35/5.777 5.519 ± 0.3285
10 1342 1342/1342 1342 ± 0.00002439 6.084 5.845/6.207 6.017 ± 0.3261
11 1342 1342/1342 1342 ± 0.00002439 6.307 6.168/6.478 6.293 ± 0.3393
12 1342 1342/1342 1342 ± 0.00002439 6.501 6.345/6.693 6.487 ± 0.3571
13 1342 1342/1342 1342 ± 0.00002458 6.627 6.427/6.859 6.58 ± 0.3716
14 1342 1342/1342 1342 ± 0.00004053 6.006 5.578/6.429 6.054 ± 0.5466
15 1342 1342/1342 1342 ± 0.0000245 6.662 6.353/6.964 6.598 ± 0.514
16 1342 1342/1342 1342 ± 0.00005493 3.174 3.008/3.388 3.201 ± 0.2922
17 1342 1342/1342 1342 ± 0.00005748 3.389 3.237/3.553 3.423 ± 0.2975
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2024-11-26 10:59:41.828
End
2024-11-26 11:57:33.349
Duration
0:57:51.521
Note, WebLog generation is not included in the time.

CASA logs for stage 8