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 5.473 5.3/6.134 5.588 ± 0.7678
ea02 1342 1342/1342 1342 ± 0.00004335 6.051 5.471/6.797 5.966 ± 0.9755
ea04 1342 1342/1342 1342 ± 0.00002826 5.518 5.139/6.194 5.409 ± 0.9151
ea05 1342 1342/1342 1342 ± 0.000009808 5.468 5.112/6.25 5.588 ± 0.7439
ea06 1342 1342/1342 1342 ± 0.00003485 5.274 4.951/5.863 5.161 ± 0.8128
ea07 1342 1342/1342 1342 ± 0.00004211 5.887 5.422/6.301 5.699 ± 0.7947
ea09 1342 1342/1342 1342 ± 0.00002855 5.298 5.123/6.008 5.448 ± 0.6424
ea10 1342 1342/1342 1342 ± 0.00004327 5.342 4.841/5.895 5.202 ± 0.7417
ea11 1342 1342/1342 1342 ± 0.00004222 5.795 5.433/6.683 5.817 ± 0.9287
ea12 1342 1342/1342 1342 ± 0.00003902 5.875 5.512/6.773 5.86 ± 1.051
ea13 1342 1342/1342 1342 ± 0.00002385 5.811 5.668/6.36 5.908 ± 0.6895
ea14 1342 1342/1342 1342 ± 0.00001549 5.79 5.372/6.64 5.837 ± 0.8594
ea15 1342 1342/1342 1342 ± 0.00002432 5.775 5.448/6.609 5.756 ± 1.093
ea16 1342 1342/1342 1342 ± 0.00001789 5.743 5.52/6.856 5.906 ± 0.9391
ea17 1342 1342/1342 1342 ± 0.00004411 5.948 5.553/6.764 5.992 ± 0.9577
ea18 1342 1342/1342 1342 ± 0.00004329 5.127 4.797/5.67 5.092 ± 0.7332
ea19 1342 1342/1342 1342 ± 0.000002538 5.769 5.514/6.553 5.893 ± 0.7657
ea20 1342 1342/1342 1342 ± 0.00004266 6.162 5.824/7.092 6.181 ± 1.079
ea21 1342 1342/1342 1342 ± 0.000016 5.591 5.356/6.287 5.613 ± 0.8005
ea22 1342 1342/1342 1342 ± 0.00003685 5.524 5.224/6.578 5.741 ± 0.8905
ea23 1342 1342/1342 1342 ± 0.00003607 5.953 5.477/6.733 5.863 ± 0.9628
ea24 1342 1342/1342 1342 ± 0.00001822 5.118 4.886/6.098 5.407 ± 0.6555
ea25 1342 1342/1342 1342 ± 0.00004306 5.641 5.344/6.426 5.668 ± 0.8824
ea26 1342 1342/1342 1342 ± 0.00003176 5.876 5.654/6.844 6.045 ± 0.8178
ea27 1342 1342/1342 1342 ± 0.00004311 5.705 5.292/6.635 5.729 ± 0.8978
ea28 1342 1342/1342 1342 ± 0.00004196 5.863 5.589/6.805 5.962 ± 0.9615
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 ± 0.00002373 5.524 5.346/5.711 5.49 ± 0.3216
3 1342 1342/1342 1342 ± 0.00004597 5.737 5.265/6.045 5.683 ± 0.4524
5 1342 1342/1342 1342 ± 0.00002568 5.384 5.173/5.559 5.368 ± 0.3059
6 1342 1342/1342 1342 ± 0.00002373 5.459 5.14/5.603 5.392 ± 0.2705
7 1342 1342/1342 1342 ± 0.00002373 5.486 5.259/5.598 5.425 ± 0.2831
8 1342 1342/1342 1342 ± 0.00002373 5.449 5.129/5.584 5.386 ± 0.3196
9 1342 1342/1342 1342 ± 0.00002373 5.76 5.41/5.897 5.682 ± 0.3056
10 1342 1342/1342 1342 ± 0.00002373 6.174 5.914/6.267 6.087 ± 0.2986
11 1342 1342/1342 1342 ± 0.00002373 6.483 6.103/6.615 6.383 ± 0.3052
12 1342 1342/1342 1342 ± 0.00002373 6.575 6.308/6.797 6.564 ± 0.3503
13 1342 1342/1342 1342 ± 0.00002373 6.826 6.464/7.089 6.755 ± 0.4117
14 1342 1342/1342 1342 ± 0.00002642 6.641 6.326/6.998 6.6 ± 0.4878
15 1342 1342/1342 1342 ± 0.00002572 6.736 6.025/6.996 6.566 ± 0.5484
16 1342 1342/1342 1342 ± 0.0000585 3.957 3.758/4.241 3.999 ± 0.4097
17 1342 1342/1342 1342 ± 0.00005965 4.099 3.848/4.452 4.151 ± 0.4278
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2024-05-17 23:06:54.442
End
2024-05-17 23:29:05.492
Duration
0:22:11.049
Note, WebLog generation is not included in the time.

CASA logs for stage 8