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

Statwt Summary Plot

VLASS2.1.sb38598618.eb38624961.59090.97292246528_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 5.321 5.059/5.737 5.469 ± 0.504
ea02 1342 1342/1342 1342 ± 0 5.597 5.31/6.259 5.762 ± 0.6132
ea04 1342 1342/1342 1342 ± 0 5.253 4.906/5.933 5.453 ± 0.5672
ea05 1342 1342/1342 1342 ± 0 5.53 5.149/6.12 5.668 ± 0.5932
ea06 1342 1342/1342 1342 ± 0 4.839 4.55/5.215 4.911 ± 0.3901
ea07 1342 1342/1342 1342 ± 0 5.687 5.288/6.055 5.755 ± 0.5428
ea08 1342 1342/1342 1342 ± 0 5.605 5.356/6.462 5.896 ± 0.6439
ea09 1342 1342/1342 1342 ± 0 5.517 5.012/6.071 5.602 ± 0.6138
ea10 1342 1342/1342 1342 ± 0.00000637 5.698 5.089/6.386 5.717 ± 0.6791
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.485 5.07/6.208 5.723 ± 0.6703
ea13 1342 1342/1342 1342 ± 0 5.832 5.514/6.183 5.906 ± 0.4857
ea14 1342 1342/1342 1342 ± 0 5.564 5.064/6.167 5.646 ± 0.6274
ea15 1342 1342/1342 1342 ± 0 5.368 4.884/5.996 5.498 ± 0.6762
ea16 1342 1342/1342 1342 ± 0 5.932 5.446/6.359 6.007 ± 0.6857
ea17 1342 1342/1342 1342 ± 0 5.786 5.325/6.236 5.857 ± 0.6032
ea18 1342 1342/1342 1342 ± 0 4.84 4.573/5.391 4.982 ± 0.5142
ea19 1342 1342/1342 1342 ± 0 5.713 5.316/6.295 5.872 ± 0.5874
ea20 1342 1342/1342 1342 ± 0 5.863 5.457/6.481 6 ± 0.6459
ea21 1342 1342/1342 1342 ± 0 5.487 5.166/6.115 5.634 ± 0.5623
ea22 1342 1342/1342 1342 ± 0 5.541 5.119/6.205 5.652 ± 0.6266
ea23 1342 1342/1342 1342 ± 0 5.769 5.266/6.289 5.867 ± 0.6629
ea25 1342 1342/1342 1342 ± 0 5.475 4.985/5.906 5.517 ± 0.5883
ea26 1342 1342/1342 1342 ± 0 5.864 5.481/6.453 5.958 ± 0.6358
ea27 1342 1342/1342 1342 ± 0.00003949 5.415 5.063/6.144 5.56 ± 0.5707
ea28 1342 1342/1342 1342 ± 0 5.47 5.21/6.31 5.668 ± 0.6473
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 ± 0.00002392 5.131 4.996/5.321 5.139 ± 0.2296
3 1342 1342/1342 1342 ± 0.00002392 4.962 4.797/5.206 4.979 ± 0.2548
4 1342 1342/1342 1342 ± 0.00002418 5.129 5.008/5.359 5.131 ± 0.3258
5 1342 1342/1342 1342 ± 0.00002392 5.174 4.931/5.277 5.123 ± 0.2914
6 1342 1342/1342 1342 ± 0.00002392 5.14 4.937/5.3 5.113 ± 0.2788
7 1342 1342/1342 1342 ± 0.00002392 5.164 5.022/5.333 5.144 ± 0.2412
8 1342 1342/1342 1342 ± 0.00002392 5.207 4.941/5.292 5.12 ± 0.2685
9 1342 1342/1342 1342 ± 0.00002392 5.423 5.271/5.652 5.394 ± 0.3086
10 1342 1342/1342 1342 ± 0.00002392 5.824 5.688/6.064 5.833 ± 0.3128
11 1342 1342/1342 1342 ± 0.00002392 6.143 5.95/6.229 6.053 ± 0.3243
12 1342 1342/1342 1342 ± 0.00002392 6.255 6.095/6.441 6.217 ± 0.3409
13 1342 1342/1342 1342 ± 0.00002392 6.669 6.523/6.826 6.625 ± 0.3548
14 1342 1342/1342 1342 ± 0.00002392 6.884 6.649/6.994 6.782 ± 0.39
15 1342 1342/1342 1342 ± 0.00002392 6.388 6.192/6.57 6.334 ± 0.335
16 1342 1342/1342 1342 ± 0.0000331 5.798 5.634/5.988 5.797 ± 0.2898
17 1342 1342/1342 1342 ± 0.00003271 5.82 5.616/6.04 5.816 ± 0.3013
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.1.sb38598618.eb38624961.59090.97292246528_split_split.ms
output_dir
 
Start time
2025-02-07 23:22:45.124
End
2025-02-07 23:50:39.634
Duration
0:27:54.510
Note, WebLog generation is not included in the time.

CASA logs for stage 8