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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.344 5.267/5.966 5.438 ± 0.7815
ea02 1342 1342/1342 1342 ± 0.00004211 5.811 5.38/6.444 5.727 ± 0.9686
ea05 1342 1342/1342 1342 ± 0.00001638 5.54 5.147/6.567 5.76 ± 0.794
ea06 1342 1342/1342 1342 ± 0.000002762 4.901 4.837/5.45 4.991 ± 0.5527
ea07 1342 1342/1342 1342 ± 0.00004205 5.801 5.345/6.047 5.629 ± 0.7677
ea08 1342 1342/1342 1342 ± 0.00004234 5.904 5.651/6.784 5.987 ± 1.011
ea09 1342 1342/1342 1342 ± 0.00002184 3.844 3.33/5.808 4.457 ± 1.183
ea10 1342 1342/1342 1342 ± 0.00004207 5.337 5.062/6.364 5.546 ± 0.8253
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.000002983 5.746 5.433/6.67 5.893 ± 0.9514
ea13 1342 1342/1342 1342 ± 0.000022 5.854 5.691/6.4 5.896 ± 0.7777
ea14 1342 1342/1342 1342 ± 0.00001663 6.57 5.93/6.995 6.194 ± 1.015
ea15 1342 1342/1342 1342 ± 0 5.38 5.212/6.308 5.667 ± 0.8582
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00004257 5.947 5.599/6.643 5.931 ± 0.9269
ea18 1342 1342/1342 1342 ± 0.00002428 4.989 4.71/5.842 5.136 ± 0.713
ea19 1342 1342/1342 1342 ± 0.000009272 5.655 5.419/6.734 5.931 ± 0.825
ea20 1342 1342/1342 1342 ± 0.00001345 5.987 5.806/7.165 6.156 ± 1.027
ea21 1342 1342/1342 1342 ± 0.00002562 5.57 5.351/6.425 5.755 ± 0.7955
ea22 1342 1342/1342 1342 ± 0.00003853 5.356 5.12/6.282 5.468 ± 0.8757
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.394 5.327/5.419 5.374 ± 0.1714
ea26 1342 1342/1342 1342 ± 0.00001971 5.657 5.508/6.648 5.783 ± 0.833
ea27 1342 1342/1342 1342 ± 0.00004384 5.497 5.191/6.414 5.617 ± 0.8432
ea28 1342 1342/1342 1342 ± 0.00005464 6.571 5.724/6.698 5.968 ± 1.189
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 ± 0.00002665 5.427 5.174/5.727 5.397 ± 0.5053
3 1342 1342/1342 1342 ± 0.00002663 5.477 5.14/5.64 5.332 ± 0.5472
5 1342 1342/1342 1342 ± 0.00002694 5.39 5.245/5.58 5.292 ± 0.55
6 1342 1342/1342 1342 ± 0.00002665 5.356 5.089/5.476 5.25 ± 0.5231
7 1342 1342/1342 1342 ± 0.00002665 5.334 5.143/5.489 5.268 ± 0.5094
8 1342 1342/1342 1342 ± 0.00002665 5.356 5.061/5.414 5.194 ± 0.5178
9 1342 1342/1342 1342 ± 0.00002665 5.604 5.368/5.836 5.487 ± 0.6007
10 1342 1342/1342 1342 ± 0.00002603 6.102 5.83/6.159 6.006 ± 0.3527
11 1342 1342/1342 1342 ± 0.00002603 6.39 6.285/6.518 6.309 ± 0.3697
12 1342 1342/1342 1342 ± 0.00002603 6.612 6.297/6.684 6.488 ± 0.3869
13 1342 1342/1342 1342 ± 0.00002603 6.737 6.39/7.048 6.714 ± 0.4342
14 1342 1342/1342 1342 ± 0.00003183 6.649 6.243/7.069 6.634 ± 0.5447
15 1342 1342/1342 1342 ± 0.00002603 6.766 6.634/7.08 6.725 ± 0.4844
16 1342 1342/1342 1342 ± 0.00006092 4.084 3.885/4.287 4.118 ± 0.2992
17 1342 1342/1342 1342 ± 0.00006091 4.07 3.9/4.321 4.12 ± 0.2871
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
statwtmode
VLASS-SE
Start time
2024-04-22 11:34:34.648
End
2024-04-22 12:37:14.636
Duration
1:02:39.988
Note, WebLog generation is not included in the time.

CASA logs for stage 7