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

Statwt Summary Plot

VLASS2.1.sb38663900.eb38831428.59145.025327407406_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 5.288 5.106/5.857 5.356 ± 0.6549
ea02 1342 1342/1342 1342 ± 0.00004309 5.813 5.163/6.263 5.609 ± 0.858
ea03 1342 1342/1342 1342 ± 0.000002977 4.817 4.61/5.745 5.05 ± 0.6583
ea04 1342 1342/1342 1342 ± 0.000006488 5.22 5/6.051 5.382 ± 0.749
ea05 1342 1342/1342 1342 ± 0.000008498 5.373 5.078/6.205 5.56 ± 0.7328
ea06 1342 1342/1342 1342 ± 0 4.233 3.969/4.735 4.278 ± 0.4529
ea07 1342 1342/1342 1342 ± 0.00004301 5.549 5.084/6.052 5.504 ± 0.736
ea08 1342 1342/1342 1342 ± 0.00004371 5.819 5.347/6.535 5.767 ± 0.8762
ea09 1342 1342/1342 1342 ± 0.000001722 5.251 4.909/6.128 5.354 ± 0.7884
ea10 1342 1342/1342 1342 ± 0.00004331 5.51 5.089/6.402 5.552 ± 0.8351
ea11 1342 1342/1342 1342 ± 0 5.353 4.73/6.034 5.394 ± 0.8144
ea12 1342 1342/1342 1342 ± 0.000005493 5.446 5.181/6.485 5.642 ± 0.9425
ea13 1342 1342/1342 1342 ± 0.000013 5.727 5.349/6.231 5.708 ± 0.6965
ea14 1342 1342/1342 1342 ± 0.00001313 5.489 5.094/6.26 5.494 ± 0.77
ea15 1342 1342/1342 1342 ± 0 3.622 3.327/4.42 3.782 ± 0.6313
ea16 1342 1342/1342 1342 ± 0.00002058 5.856 5.413/6.519 5.737 ± 0.843
ea17 1342 1342/1342 1342 ± 0 5.773 5.211/6.999 5.94 ± 0.9456
ea18 1342 1342/1342 1342 ± 0.00003667 4.667 4.38/5.45 4.795 ± 0.6157
ea19 1342 1342/1342 1342 ± 0 5.318 5.108/6.131 5.495 ± 0.6811
ea20 1342 1342/1342 1342 ± 0 5.705 5.471/6.851 5.937 ± 0.9257
ea21 1342 1342/1342 1342 ± 0.00001781 5.429 4.952/6.154 5.466 ± 0.7525
ea23 1342 1342/1342 1342 ± 0.00003232 5.319 5.081/5.48 5.167 ± 0.5556
ea24 1342 1342/1342 1342 ± 0.00004183 5.519 5.11/6.265 5.522 ± 0.783
ea25 1342 1342/1342 1342 ± 0.00004289 5.372 5.078/5.993 5.383 ± 0.7489
ea26 1342 1342/1342 1342 ± 0.00001997 5.733 5.285/6.511 5.74 ± 0.8502
ea27 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea28 1342 1342/1342 1342 ± 0.00004497 5.242 5.05/6.034 5.325 ± 0.7251
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 ± 0.00002368 5.192 4.953/5.323 5.049 ± 0.4667
5 1342 1342/1342 1342 ± 0.00002368 5.282 5.04/5.473 5.15 ± 0.5401
6 1342 1342/1342 1342 ± 0.00002368 5.086 4.909/5.265 4.999 ± 0.4904
7 1342 1342/1342 1342 ± 0.00002368 5.114 4.986/5.335 5.062 ± 0.484
8 1342 1342/1342 1342 ± 0.00002368 5.178 5.068/5.314 5.085 ± 0.4724
9 1342 1342/1342 1342 ± 0.00002368 5.483 5.232/5.686 5.358 ± 0.518
10 1342 1342/1342 1342 ± 0.00002368 5.874 5.592/5.991 5.693 ± 0.5808
11 1342 1342/1342 1342 ± 0.00002368 6.094 5.858/6.271 5.981 ± 0.5414
12 1342 1342/1342 1342 ± 0.00002368 6.202 6.041/6.517 6.156 ± 0.5578
13 1342 1342/1342 1342 ± 0.00002368 6.393 6.141/6.625 6.32 ± 0.5514
14 1342 1342/1342 1342 ± 0.00002887 6.109 5.736/6.565 6.135 ± 0.6551
15 1342 1342/1342 1342 ± 0.00002374 6.369 6.067/6.777 6.269 ± 0.6824
16 1342 1342/1342 1342 ± 0.00006051 4.022 3.866/4.179 3.981 ± 0.323
17 1342 1342/1342 1342 ± 0.000058 4.109 4.005/4.241 4.083 ± 0.2908
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38663900.eb38831428.59145.025327407406_split_split.ms
datacolumn
residual_data
Start time
2025-02-20 03:55:45.195
End
2025-02-20 04:22:56.167
Duration
0:27:10.972
Note, WebLog generation is not included in the time.

CASA logs for stage 8