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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.446 5.397/6.267 5.709 ± 0.7751
ea02 1342 1342/1342 1342 ± 0.00003251 6.082 5.5/6.792 6.087 ± 0.9339
ea04 1342 1342/1342 1342 ± 0.0000417 5.514 5.139/6.22 5.481 ± 0.8252
ea05 1342 1342/1342 1342 ± 0.00002689 5.464 5.108/6.506 5.674 ± 0.9362
ea06 1342 1342/1342 1342 ± 0.00004161 5.208 4.882/5.769 5.157 ± 0.7435
ea07 1342 1342/1342 1342 ± 0.00003371 5.888 5.431/6.276 5.877 ± 0.8179
ea09 1342 1342/1342 1342 ± 0.00003806 5.54 5.116/6.196 5.442 ± 0.8321
ea10 1342 1342/1342 1342 ± 0.00003348 5.344 4.884/5.951 5.341 ± 0.692
ea11 1342 1342/1342 1342 ± 0.00003524 6.088 5.512/6.715 6.004 ± 0.8641
ea12 1342 1342/1342 1342 ± 0.00004019 5.912 5.572/6.731 5.924 ± 0.9364
ea13 1342 1342/1342 1342 ± 0.00002753 5.76 5.624/6.341 5.89 ± 0.9335
ea14 1342 1342/1342 1342 ± 0.00003575 5.726 5.43/6.686 5.965 ± 0.9848
ea15 1342 1342/1342 1342 ± 0.00004221 5.742 5.436/6.571 5.803 ± 1.013
ea16 1342 1342/1342 1342 ± 0.00003494 5.929 5.513/6.872 6.058 ± 1.132
ea17 1342 1342/1342 1342 ± 0.00003688 6.045 5.641/6.892 6.132 ± 0.9217
ea18 1342 1342/1342 1342 ± 0.0000367 5.117 4.921/5.671 5.198 ± 0.6544
ea19 1342 1342/1342 1342 ± 0.00001884 5.808 5.539/6.844 6.002 ± 0.9801
ea20 1342 1342/1342 1342 ± 0.00003933 6.121 6.03/7.005 6.256 ± 0.9998
ea21 1342 1342/1342 1342 ± 0.0000328 5.629 5.312/6.428 5.758 ± 0.929
ea22 1342 1342/1342 1342 ± 0.00004024 5.522 5.228/6.552 5.739 ± 1.021
ea23 1342 1342/1342 1342 ± 0.00003451 5.979 5.571/6.754 6.092 ± 1.009
ea24 1342 1342/1342 1342 ± 0.00002616 5.286 4.826/6.26 5.421 ± 0.8709
ea25 1342 1342/1342 1342 ± 0.00003401 5.77 5.398/6.474 5.806 ± 0.7894
ea26 1342 1342/1342 1342 ± 0.00003861 5.877 5.725/6.855 6.034 ± 1.057
ea27 1342 1342/1342 1342 ± 0.00003525 5.723 5.409/6.606 5.856 ± 0.8314
ea28 1342 1342/1342 1342 ± 0.00003474 5.853 5.584/6.766 6.08 ± 0.9151
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 ± 0.00002363 5.499 5.304/5.67 5.456 ± 0.326
5 1342 1342/1342 1342 ± 0.00002348 5.437 5.175/5.609 5.405 ± 0.329
6 1342 1342/1342 1342 ± 0.00002363 5.42 5.138/5.558 5.367 ± 0.2705
7 1342 1342/1342 1342 ± 0.00002363 5.469 5.24/5.58 5.406 ± 0.2826
8 1342 1342/1342 1342 ± 0.00002363 5.437 5.123/5.549 5.381 ± 0.3234
9 1342 1342/1342 1342 ± 0.00002363 5.734 5.411/5.882 5.662 ± 0.3075
10 1342 1342/1342 1342 ± 0.00002363 6.169 5.903/6.257 6.082 ± 0.2938
11 1342 1342/1342 1342 ± 0.00002363 6.478 6.101/6.586 6.362 ± 0.3014
12 1342 1342/1342 1342 ± 0.00002363 6.544 6.267/6.758 6.553 ± 0.3408
13 1342 1342/1342 1342 ± 0.00002363 6.828 6.453/7.022 6.728 ± 0.4418
14 1342 1342/1342 1342 ± 0.00002515 6.916 6.475/7.193 6.815 ± 0.5436
15 1342 1342/1342 1342 ± 0.00003516 6.851 6.584/7.108 6.777 ± 0.4553
16 1342 1342/1342 1342 ± 0.00004802 3.768 3.636/3.918 3.778 ± 0.2152
17 1342 1342/1342 1342 ± 0.00004845 3.883 3.637/4.148 3.913 ± 0.43
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-05-17 18:37:03.296
End
2024-05-17 19:45:58.238
Duration
1:08:54.942
Note, WebLog generation is not included in the time.

CASA logs for stage 8