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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.578 5.496/6.311 5.893 ± 0.6061
ea02 1342 1342/1342 1342 ± 0.0000415 6.203 5.662/6.803 6.273 ± 0.6457
ea03 1342 1342/1342 1342 ± 0 5.744 4.996/6.174 5.64 ± 0.6005
ea04 1342 1342/1342 1342 ± 0 5.606 5.17/6.17 5.678 ± 0.5558
ea05 1342 1342/1342 1342 ± 0 6.152 5.583/6.637 6.003 ± 0.6672
ea06 1342 1342/1342 1342 ± 0 4.855 4.82/4.914 4.831 ± 0.1267
ea07 1342 1342/1342 1342 ± 0 6.165 5.714/6.497 6.232 ± 0.6124
ea08 1342 1342/1342 1342 ± 0 6.17 5.757/6.912 6.312 ± 0.6895
ea09 1342 1342/1342 1342 ± 0 5.976 5.449/6.682 6.058 ± 0.7152
ea10 1342 1342/1342 1342 ± 0 6.041 5.573/6.754 6.134 ± 0.677
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.049 5.486/6.506 6.064 ± 0.6993
ea13 1342 1342/1342 1342 ± 0 6.551 6.059/6.877 6.417 ± 0.6457
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.199 5.682/6.641 6.239 ± 0.6833
ea16 1342 1342/1342 1342 ± 0 6.429 5.933/6.964 6.449 ± 0.7624
ea17 1342 1342/1342 1342 ± 0 6.672 6.041/7.313 6.68 ± 0.6787
ea18 1342 1342/1342 1342 ± 0 5.217 4.84/5.677 5.259 ± 0.5412
ea19 1342 1342/1342 1342 ± 0 6.278 5.626/6.774 6.196 ± 0.624
ea20 1342 1342/1342 1342 ± 0 6.162 5.622/6.7 6.115 ± 0.6814
ea21 1342 1342/1342 1342 ± 0 5.948 5.666/6.581 6.101 ± 0.6263
ea22 1342 1342/1342 1342 ± 0 6.12 5.506/6.464 5.992 ± 0.5735
ea23 1342 1342/1342 1342 ± 0 6.204 5.732/6.73 6.255 ± 0.6847
ea24 1342 1342/1342 1342 ± 0 6.177 5.647/6.766 6.152 ± 0.6926
ea25 1342 1342/1342 1342 ± 0 5.854 5.452/6.417 5.92 ± 0.617
ea26 1342 1342/1342 1342 ± 0 6.611 5.993/7.257 6.568 ± 0.7437
ea27 1342 1342/1342 1342 ± 0 5.718 5.608/6.548 5.955 ± 0.6345
ea28 1342 1342/1342 1342 ± 0 5.756 5.428/6.452 5.901 ± 0.6396
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 ± 0.00002388 5.683 5.407/5.793 5.588 ± 0.328
4 1342 1342/1342 1342 ± 0.00002595 4.9 4.659/5.116 4.881 ± 0.238
5 1342 1342/1342 1342 ± 0.00002388 5.569 5.328/5.759 5.523 ± 0.3561
6 1342 1342/1342 1342 ± 0.00002388 5.567 5.419/5.732 5.524 ± 0.3373
7 1342 1342/1342 1342 ± 0.00002388 5.616 5.445/5.702 5.549 ± 0.3133
8 1342 1342/1342 1342 ± 0.00002388 5.482 5.296/5.688 5.461 ± 0.3515
9 1342 1342/1342 1342 ± 0.00002388 5.719 5.519/6.093 5.732 ± 0.3874
10 1342 1342/1342 1342 ± 0.00002435 6.267 6.06/6.473 6.226 ± 0.3425
11 1342 1342/1342 1342 ± 0.00002435 6.541 6.302/6.641 6.446 ± 0.3229
12 1342 1342/1342 1342 ± 0.00002435 6.605 6.459/6.779 6.61 ± 0.3563
13 1342 1342/1342 1342 ± 0.00002435 7.079 6.939/7.208 7.051 ± 0.3665
14 1342 1342/1342 1342 ± 0.00002435 7.22 7.032/7.504 7.215 ± 0.3938
15 1342 1342/1342 1342 ± 0.00002435 6.824 6.58/7.027 6.801 ± 0.3568
16 1342 1342/1342 1342 ± 0.00002485 6.182 5.91/6.47 6.22 ± 0.3699
17 1342 1342/1342 1342 ± 0.00002485 6.208 5.98/6.484 6.249 ± 0.3575
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2025-01-11 06:21:48.083
End
2025-01-11 07:42:44.735
Duration
1:20:56.652
Note, WebLog generation is not included in the time.

CASA logs for stage 8