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

Statwt Summary Plot

VLASS2.2.sb40482436.eb40487145.59491.659991134264_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 5.264 5.015/6.31 5.635 ± 0.7918
ea02 1342 1342/1342 1342 ± 0.00002901 5.192 4.785/6.46 5.524 ± 0.9245
ea03 1342 1342/1342 1342 ± 0.00004613 4.883 4.744/6.185 5.291 ± 0.8221
ea04 1342 1342/1342 1342 ± 0.000006489 5.094 4.779/5.915 5.382 ± 0.671
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0 5.524 5.158/6.002 5.691 ± 0.6107
ea08 1342 1342/1342 1342 ± 0.00004529 5.535 5.241/6.612 5.861 ± 0.8075
ea09 1342 1342/1342 1342 ± 0.00003473 5.383 5.137/6.48 5.701 ± 0.7131
ea10 1342 1342/1342 1342 ± 0.000009876 5.323 4.752/6.418 5.515 ± 0.8728
ea11 1342 1342/1342 1342 ± 0 5.032 4.62/6.407 5.434 ± 1.04
ea12 1342 1342/1342 1342 ± 0.000001198 4.781 4.593/6.411 5.339 ± 1.095
ea13 1342 1342/1342 1342 ± 0.00003581 5.59 5.185/6.526 5.891 ± 0.8097
ea15 1342 1342/1342 1342 ± 0 5.245 4.856/6.21 5.517 ± 0.8324
ea16 1342 1342/1342 1342 ± 0.000007038 5.275 5.195/6.539 5.709 ± 0.8973
ea17 1342 1342/1342 1342 ± 0.000003429 5.806 5.372/6.915 6.062 ± 0.8422
ea18 1342 1342/1342 1342 ± 0.000009272 4.365 4.167/5.182 4.576 ± 0.5928
ea19 1342 1342/1342 1342 ± 0.00002423 5.369 5.033/6.685 5.735 ± 0.8775
ea20 1342 1342/1342 1342 ± 0.000006399 5.031 4.809/6.664 5.578 ± 0.9798
ea21 1342 1342/1342 1342 ± 0.00002725 5.035 4.753/6.188 5.413 ± 0.8178
ea22 1342 1342/1342 1342 ± 0.000009836 5.282 4.873/6.485 5.558 ± 0.926
ea23 1342 1342/1342 1342 ± 0.00001312 5.452 4.991/6.409 5.707 ± 0.8543
ea24 1342 1342/1342 1342 ± 0.00001783 5.217 4.867/6.284 5.517 ± 0.7018
ea25 1342 1342/1342 1342 ± 0.00001291 5.148 4.707/6.111 5.453 ± 0.8444
ea26 1342 1342/1342 1342 ± 0.000004071 5.48 5.231/6.588 5.872 ± 0.7198
ea27 1342 1342/1342 1342 ± 0.00002353 5.2 4.797/6.402 5.502 ± 0.8724
ea28 1342 1342/1342 1342 ± 0.00003416 5.018 4.772/6.473 5.515 ± 0.9569
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 ± 0.00002424 4.7 4.413/5.094 4.727 ± 0.4639
3 1342 1342/1342 1342 ± 0.00004844 4.335 4.098/4.616 4.383 ± 0.3991
5 1342 1342/1342 1342 ± 0.00002692 4.708 4.538/4.964 4.722 ± 0.3836
6 1342 1342/1342 1342 ± 0.00002392 5.071 4.804/5.212 5.024 ± 0.3136
7 1342 1342/1342 1342 ± 0.00002392 4.948 4.858/5.24 4.989 ± 0.3457
8 1342 1342/1342 1342 ± 0.00002392 5.018 4.784/5.176 4.979 ± 0.3558
9 1342 1342/1342 1342 ± 0.00002392 5.328 5.164/5.563 5.31 ± 0.3281
10 1342 1342/1342 1342 ± 0.00002392 5.998 5.855/6.171 5.957 ± 0.3276
11 1342 1342/1342 1342 ± 0.00002392 6.273 6.14/6.407 6.218 ± 0.3226
12 1342 1342/1342 1342 ± 0.00002407 6.422 6.191/6.516 6.369 ± 0.3495
13 1342 1342/1342 1342 ± 0.00002392 6.808 6.656/6.959 6.779 ± 0.341
14 1342 1342/1342 1342 ± 0.00002392 7.011 6.86/7.157 6.962 ± 0.3577
15 1342 1342/1342 1342 ± 0.00002392 6.563 6.376/6.772 6.524 ± 0.3721
16 1342 1342/1342 1342 ± 0.0000524 4.936 4.771/5.228 4.983 ± 0.2825
17 1342 1342/1342 1342 ± 0.00005308 4.835 4.686/5.136 4.89 ± 0.2986
vis
VLASS2.2.sb40482436.eb40487145.59491.659991134264_split_split.ms
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-05-18 07:32:45.549
End
2025-05-18 08:46:34.440
Duration
1:13:48.890
Note, WebLog generation is not included in the time.

CASA logs for stage 8