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

Statwt Summary Plot

VLASS2.2.sb40493634.eb40941789.59520.06707907407_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 5.918 5.575/6.514 6.087 ± 0.6124
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.793 5.204/6.607 5.923 ± 0.6775
ea06 1342 1342/1342 1342 ± 0 6.192 5.409/6.416 6.02 ± 0.5972
ea07 1342 1342/1342 1342 ± 0 6.092 5.353/6.384 6.007 ± 0.6486
ea08 1342 1342/1342 1342 ± 0.00003141 5.91 5.613/6.622 6.147 ± 0.6495
ea09 1342 1342/1342 1342 ± 0.00001961 5.737 5.266/6.64 5.913 ± 0.6941
ea10 1342 1342/1342 1342 ± 0 6.128 5.351/6.699 6.074 ± 0.6561
ea11 1342 1342/1342 1342 ± 0 5.964 5.338/6.538 6.035 ± 0.6736
ea12 1342 1342/1342 1342 ± 0 6.112 5.445/6.568 6.096 ± 0.654
ea13 1342 1342/1342 1342 ± 0.00002919 5.758 5.66/6.333 6.041 ± 0.5036
ea14 1342 1342/1342 1342 ± 0 6.333 5.571/6.833 6.296 ± 0.7438
ea15 1342 1342/1342 1342 ± 0 5.6 4.987/5.965 5.529 ± 0.6158
ea16 1342 1342/1342 1342 ± 0 6.355 5.611/6.784 6.343 ± 0.7686
ea17 1342 1342/1342 1342 ± 0 6.486 5.797/7.262 6.542 ± 0.7398
ea18 1342 1342/1342 1342 ± 0 5.013 4.617/5.453 5.057 ± 0.5303
ea19 1342 1342/1342 1342 ± 0 6.583 5.72/6.978 6.472 ± 0.6976
ea20 1342 1342/1342 1342 ± 0.00002241 5.997 5.641/6.837 6.135 ± 0.6584
ea21 1342 1342/1342 1342 ± 0 6.16 5.486/6.548 6.096 ± 0.6427
ea22 1342 1342/1342 1342 ± 0 6.212 5.377/6.611 6.025 ± 0.7248
ea23 1342 1342/1342 1342 ± 0 6.009 5.546/6.683 6.194 ± 0.7026
ea24 1342 1342/1342 1342 ± 0 5.529 4.972/6.172 5.538 ± 0.612
ea26 1342 1342/1342 1342 ± 0.000008061 6.006 5.539/6.955 6.214 ± 0.7095
ea27 1342 1342/1342 1342 ± 0.000003988 6 5.487/6.889 6.116 ± 0.728
ea28 1342 1342/1342 1342 ± 0.00002136 6.035 5.677/6.851 6.308 ± 0.7436
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 ± 0.00002439 5.456 5.342/5.642 5.441 ± 0.2792
4 1342 1342/1342 1342 ± 0.00002872 5.211 4.944/5.365 5.119 ± 0.3511
5 1342 1342/1342 1342 ± 0.00002439 5.448 5.218/5.561 5.383 ± 0.3135
6 1342 1342/1342 1342 ± 0.00002439 5.405 5.24/5.568 5.363 ± 0.2636
7 1342 1342/1342 1342 ± 0.00002439 5.476 5.343/5.649 5.45 ± 0.2713
8 1342 1342/1342 1342 ± 0.00002439 5.394 5.263/5.67 5.4 ± 0.3097
9 1342 1342/1342 1342 ± 0.00002439 5.793 5.597/5.898 5.703 ± 0.3114
10 1342 1342/1342 1342 ± 0.00002439 6.267 6.14/6.342 6.163 ± 0.327
11 1342 1342/1342 1342 ± 0.00002439 6.441 6.3/6.624 6.405 ± 0.3271
12 1342 1342/1342 1342 ± 0.00002439 6.6 6.321/6.798 6.557 ± 0.3704
13 1342 1342/1342 1342 ± 0.00002439 7.024 6.867/7.267 7.011 ± 0.3968
14 1342 1342/1342 1342 ± 0.00002439 7.268 7.083/7.5 7.219 ± 0.3904
15 1342 1342/1342 1342 ± 0.00002439 6.92 6.728/7.262 6.899 ± 0.3886
16 1342 1342/1342 1342 ± 0.00002439 6.229 5.99/6.379 6.206 ± 0.3878
17 1342 1342/1342 1342 ± 0.00004693 6.072 5.808/6.372 6.11 ± 0.4293
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-04-18 20:19:16.754
End
2025-04-18 21:05:51.494
Duration
0:46:34.740
Note, WebLog generation is not included in the time.

CASA logs for stage 8