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 5.128 5.051/5.759 5.218 ± 0.7742
ea02 1342 1342/1342 1342 ± 0.00004256 5.77 5.213/6.475 5.634 ± 0.959
ea04 1342 1342/1342 1342 ± 0.00003137 5.124 4.824/5.852 5.088 ± 0.8806
ea05 1342 1342/1342 1342 ± 0.00001209 5.356 4.953/6.075 5.414 ± 0.7363
ea06 1342 1342/1342 1342 ± 0.0000412 5.527 4.115/5.67 4.81 ± 0.9859
ea07 1342 1342/1342 1342 ± 0.0000431 5.526 5.13/5.899 5.348 ± 0.8107
ea08 1342 1342/1342 1342 ± 0.00004272 5.808 5.38/6.71 5.828 ± 1.037
ea09 1342 1342/1342 1342 ± 0.00002258 5.324 5.011/6.022 5.394 ± 0.7682
ea10 1342 1342/1342 1342 ± 0.0000429 5.44 4.904/6.12 5.285 ± 0.8586
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00004066 5.427 5.075/6.323 5.418 ± 0.9742
ea13 1342 1342/1342 1342 ± 0.00001948 5.653 5.405/6.124 5.684 ± 0.7287
ea14 1342 1342/1342 1342 ± 0.00001328 5.479 5.091/6.329 5.507 ± 0.844
ea15 1342 1342/1342 1342 ± 0.00002763 5.209 4.983/6.063 5.279 ± 1.017
ea16 1342 1342/1342 1342 ± 0.00001854 5.573 5.214/6.23 5.526 ± 0.8607
ea17 1342 1342/1342 1342 ± 0.000045 5.718 5.292/6.425 5.684 ± 0.954
ea18 1342 1342/1342 1342 ± 0.00004399 4.778 4.601/5.323 4.794 ± 0.6943
ea19 1342 1342/1342 1342 ± 0 5.542 5.272/6.321 5.649 ± 0.7563
ea20 1342 1342/1342 1342 ± 0.00004256 5.701 5.461/6.558 5.719 ± 1.021
ea21 1342 1342/1342 1342 ± 0.00001538 5.287 5.104/6.007 5.319 ± 0.755
ea22 1342 1342/1342 1342 ± 0.0000313 5.355 5.054/6.387 5.519 ± 0.8796
ea23 1342 1342/1342 1342 ± 0.00003628 5.619 5.098/6.157 5.453 ± 0.8872
ea25 1342 1342/1342 1342 ± 0.00004279 5.318 4.998/5.964 5.315 ± 0.8364
ea27 1342 1342/1342 1342 ± 0.00004395 5.335 4.962/6.247 5.347 ± 0.8608
ea28 1342 1342/1342 1342 ± 0.00004326 5.464 5.205/6.374 5.517 ± 0.9219
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 ± 0.00002442 5.296 5.103/5.486 5.244 ± 0.3109
5 1342 1342/1342 1342 ± 0.00002543 5.104 5.001/5.304 5.165 ± 0.2624
6 1342 1342/1342 1342 ± 0.00002466 5.169 5.036/5.311 5.136 ± 0.2711
7 1342 1342/1342 1342 ± 0.00002442 5.153 4.978/5.232 5.099 ± 0.2861
8 1342 1342/1342 1342 ± 0.00002466 5.166 4.957/5.288 5.118 ± 0.2642
9 1342 1342/1342 1342 ± 0.00002466 5.433 5.324/5.637 5.42 ± 0.317
10 1342 1342/1342 1342 ± 0.00002442 5.867 5.728/5.94 5.817 ± 0.2892
11 1342 1342/1342 1342 ± 0.00002442 6.124 6.005/6.266 6.095 ± 0.2894
12 1342 1342/1342 1342 ± 0.00002442 6.326 6.102/6.427 6.258 ± 0.3057
13 1342 1342/1342 1342 ± 0.00002442 6.565 6.224/6.665 6.435 ± 0.3277
14 1342 1342/1342 1342 ± 0.00002941 6.205 5.814/6.544 6.203 ± 0.4579
15 1342 1342/1342 1342 ± 0.00002585 6.373 6.062/6.592 6.32 ± 0.3975
16 1342 1342/1342 1342 ± 0.00005703 3.607 3.406/3.872 3.636 ± 0.3448
17 1342 1342/1342 1342 ± 0.00005936 3.754 3.577/4.006 3.803 ± 0.3375
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
output_dir
 
Start time
2024-11-02 07:11:19.321
End
2024-11-02 07:57:59.661
Duration
0:46:40.339
Note, WebLog generation is not included in the time.

CASA logs for stage 8