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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.622 5.397/6.278 5.669 ± 0.8033
ea02 1342 1342/1342 1342 ± 0.00003718 5.594 5.386/6.487 5.674 ± 0.8334
ea03 1342 1342/1342 1342 ± 0 5.522 5.378/6.281 5.753 ± 0.6654
ea04 1342 1342/1342 1342 ± 0.00004048 5.238 4.969/6.066 5.345 ± 0.6644
ea05 1342 1342/1342 1342 ± 0.00004529 5.431 5.097/6.434 5.566 ± 0.8373
ea06 1342 1342/1342 1342 ± 0.000008431 5.297 4.954/6.119 5.352 ± 0.6761
ea07 1342 1342/1342 1342 ± 0.00004203 5.252 5.069/6.319 5.505 ± 0.8293
ea08 1342 1342/1342 1342 ± 0.00002395 5.701 5.395/6.809 5.836 ± 0.9595
ea09 1342 1342/1342 1342 ± 0.00003981 5.21 4.998/5.655 5.304 ± 0.7254
ea10 1342 1342/1342 1342 ± 0.00004313 5.124 4.721/5.991 5.173 ± 0.7474
ea11 1342 1342/1342 1342 ± 0.00004927 5.331 4.761/6.111 5.259 ± 0.8499
ea13 1342 1342/1342 1342 ± 0 5.398 5.122/6.103 5.518 ± 0.5518
ea14 1342 1342/1342 1342 ± 0.00004403 5.545 5.232/6.551 5.688 ± 0.8057
ea15 1342 1342/1342 1342 ± 0.0000468 5.603 5.312/6.64 5.718 ± 0.9082
ea16 1342 1342/1342 1342 ± 0.000008138 5.838 5.429/6.584 5.847 ± 0.8253
ea17 1342 1342/1342 1342 ± 0.00004127 5.794 5.329/6.679 5.857 ± 0.9205
ea18 1342 1342/1342 1342 ± 0.00001413 5.808 5.436/6.845 5.875 ± 0.9708
ea19 1342 1342/1342 1342 ± 0.0000231 5.442 5.197/6.445 5.577 ± 0.7955
ea20 1342 1342/1342 1342 ± 0.000008708 5.43 5.262/6.111 5.611 ± 0.6197
ea21 1342 1342/1342 1342 ± 0 5.102 4.92/5.713 5.219 ± 0.5465
ea22 1342 1342/1342 1342 ± 0.00003303 5.695 5.241/6.559 5.695 ± 0.8804
ea23 1342 1342/1342 1342 ± 0.00004303 5.719 5.22/6.45 5.697 ± 0.8359
ea24 1342 1342/1342 1342 ± 0 5.209 4.878/6.26 5.475 ± 0.7204
ea25 1342 1342/1342 1342 ± 0.000004242 5.791 5.445/6.724 6.103 ± 0.7925
ea27 1342 1342/1342 1342 ± 0.000002632 5.317 5.06/6.393 5.469 ± 0.8328
ea28 1342 1342/1342 1342 ± 0 5.674 5.522/6.566 5.905 ± 0.6867
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 ± 0.00002348 5.385 5.09/5.431 5.284 ± 0.2553
5 1342 1342/1342 1342 ± 0.00002484 5.288 4.996/5.444 5.227 ± 0.3033
6 1342 1342/1342 1342 ± 0.00002348 5.314 5.123/5.55 5.313 ± 0.274
7 1342 1342/1342 1342 ± 0.00002348 5.372 5.199/5.557 5.342 ± 0.2559
8 1342 1342/1342 1342 ± 0.00002348 5.346 5.135/5.548 5.328 ± 0.2815
9 1342 1342/1342 1342 ± 0.00002348 5.585 5.411/5.894 5.618 ± 0.3106
10 1342 1342/1342 1342 ± 0.00002393 6.112 6.018/6.311 6.125 ± 0.2805
11 1342 1342/1342 1342 ± 0.00002348 6.447 6.125/6.567 6.398 ± 0.2704
12 1342 1342/1342 1342 ± 0.00002348 6.586 6.358/6.809 6.559 ± 0.3165
13 1342 1342/1342 1342 ± 0.00002348 6.685 6.418/6.951 6.71 ± 0.3678
14 1342 1342/1342 1342 ± 0.00003963 5.252 4.997/5.852 5.483 ± 0.6719
15 1342 1342/1342 1342 ± 0.00002348 6.544 6.066/6.882 6.437 ± 0.5196
16 1342 1342/1342 1342 ± 0.00006103 4.267 4.101/4.531 4.37 ± 0.408
17 1342 1342/1342 1342 ± 0.00006092 4.178 4.014/4.492 4.252 ± 0.3383
datacolumn
residual_data
output_dir
 
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-19 13:51:05.695
End
2025-07-19 14:58:18.960
Duration
1:07:13.265
Note, WebLog generation is not included in the time.

CASA logs for stage 8