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

Statwt Summary Plot

VLASS2.1.sb38602933.eb38631109.59096.27884142361_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 5.374 5.249/6.205 5.49 ± 0.8157
ea02 1342 1342/1342 1342 ± 0.00004144 5.957 5.421/6.733 5.909 ± 0.975
ea04 1342 1342/1342 1342 ± 0.00000539 5.339 5.072/6.067 5.416 ± 0.8234
ea05 1342 1342/1342 1342 ± 0.00002149 5.497 5.085/6.283 5.681 ± 0.7675
ea06 1342 1342/1342 1342 ± 0.00002108 4.932 4.744/5.304 4.83 ± 0.6263
ea07 1342 1342/1342 1342 ± 0.00004114 5.944 5.342/6.415 5.795 ± 0.9163
ea08 1342 1342/1342 1342 ± 0.00004112 6.175 5.644/6.863 6.1 ± 1.012
ea09 1342 1342/1342 1342 ± 0.00002749 5.588 5.174/6.603 5.727 ± 0.8436
ea10 1342 1342/1342 1342 ± 0.00004281 5.985 5.382/6.712 5.837 ± 1.01
ea11 1342 1342/1342 1342 ± 0.00004347 5.919 5.266/6.572 5.713 ± 0.9659
ea12 1342 1342/1342 1342 ± 0.00002678 5.828 5.413/6.636 5.81 ± 1.018
ea13 1342 1342/1342 1342 ± 0.0000195 5.915 5.699/6.453 6.008 ± 0.7533
ea14 1342 1342/1342 1342 ± 0.00003121 5.566 5.097/6.505 5.704 ± 0.8049
ea15 1342 1342/1342 1342 ± 0.000001665 5.392 5.092/6.329 5.572 ± 0.9251
ea16 1342 1342/1342 1342 ± 0.00003096 5.98 5.503/6.911 6.043 ± 0.9375
ea17 1342 1342/1342 1342 ± 0.00004358 5.932 5.447/6.88 5.877 ± 1.012
ea18 1342 1342/1342 1342 ± 0.00004172 5.004 4.522/5.723 4.987 ± 0.6997
ea19 1342 1342/1342 1342 ± 0.00001068 5.797 5.553/6.86 6.05 ± 0.8074
ea20 1342 1342/1342 1342 ± 0.0000366 5.93 5.81/6.968 6.048 ± 1.039
ea21 1342 1342/1342 1342 ± 0.00002967 5.569 5.405/6.41 5.678 ± 0.7917
ea22 1342 1342/1342 1342 ± 0.00004222 5.371 5.089/6.431 5.607 ± 0.8358
ea23 1342 1342/1342 1342 ± 0.00003741 5.893 5.475/6.659 5.827 ± 0.9439
ea25 1342 1342/1342 1342 ± 0.00004217 5.58 5.276/6.358 5.561 ± 0.8689
ea26 1342 1342/1342 1342 ± 0.00003463 5.965 5.816/6.974 6.137 ± 0.9296
ea27 1342 1342/1342 1342 ± 0.00004197 5.617 5.177/6.482 5.63 ± 0.8993
ea28 1342 1342/1342 1342 ± 0.00004268 5.697 5.45/6.616 5.812 ± 0.9517
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 ± 0.00002351 5.421 5.3/5.744 5.478 ± 0.2802
5 1342 1342/1342 1342 ± 0.00002351 5.458 5.152/5.616 5.404 ± 0.3653
6 1342 1342/1342 1342 ± 0.00002547 5.274 5.084/5.434 5.251 ± 0.2781
7 1342 1342/1342 1342 ± 0.00002351 5.428 5.268/5.589 5.418 ± 0.2706
8 1342 1342/1342 1342 ± 0.00002351 5.423 5.178/5.552 5.364 ± 0.2921
9 1342 1342/1342 1342 ± 0.00002351 5.646 5.448/5.944 5.654 ± 0.3375
10 1342 1342/1342 1342 ± 0.00002351 6.097 5.886/6.292 6.071 ± 0.3359
11 1342 1342/1342 1342 ± 0.00002351 6.411 6.252/6.54 6.344 ± 0.3435
12 1342 1342/1342 1342 ± 0.00002351 6.606 6.412/6.788 6.542 ± 0.3847
13 1342 1342/1342 1342 ± 0.00002351 6.954 6.724/7.164 6.88 ± 0.4088
14 1342 1342/1342 1342 ± 0.0000239 6.835 6.577/7.17 6.801 ± 0.507
15 1342 1342/1342 1342 ± 0.00002487 6.688 6.475/6.968 6.633 ± 0.481
16 1342 1342/1342 1342 ± 0.00005819 3.991 3.806/4.286 4.048 ± 0.326
17 1342 1342/1342 1342 ± 0.000059 4.033 3.852/4.36 4.12 ± 0.3797
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-11-01 21:37:07.220
End
2024-11-01 22:40:30.414
Duration
1:03:23.194
Note, WebLog generation is not included in the time.

CASA logs for stage 8