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

Statwt Summary Plot

VLASS2.1.sb38617404.eb38633387.59098.857396747684_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 5.124 5.059/5.574 5.328 ± 0.5282
ea02 1342 1342/1342 1342 ± 0.000004351 5.583 5.248/6.155 5.709 ± 0.6609
ea04 1342 1342/1342 1342 ± 0 5.097 4.773/5.569 5.202 ± 0.4819
ea05 1342 1342/1342 1342 ± 0 5.481 5.07/5.985 5.464 ± 0.5269
ea06 1342 1342/1342 1342 ± 0 4.917 4.628/5.431 5.033 ± 0.4947
ea07 1342 1342/1342 1342 ± 0.00002517 5.535 5.17/5.843 5.597 ± 0.5441
ea08 1342 1342/1342 1342 ± 0.0000258 5.508 5.202/6.168 5.703 ± 0.6404
ea09 1342 1342/1342 1342 ± 0 5.521 5.035/6.087 5.54 ± 0.5788
ea10 1342 1342/1342 1342 ± 0.00003901 5.385 5.079/6.202 5.591 ± 0.6086
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.605 5.109/6.061 5.64 ± 0.5868
ea13 1342 1342/1342 1342 ± 0 5.999 5.572/6.045 5.924 ± 0.4586
ea14 1342 1342/1342 1342 ± 0 5.361 5.066/5.933 5.532 ± 0.5573
ea15 1342 1342/1342 1342 ± 0 5.34 4.934/5.885 5.476 ± 0.6233
ea16 1342 1342/1342 1342 ± 0 5.859 5.417/6.352 5.901 ± 0.6176
ea17 1342 1342/1342 1342 ± 0.0000176 5.436 5.227/6.462 5.68 ± 0.6075
ea18 1342 1342/1342 1342 ± 0.000002934 4.816 4.455/5.241 4.872 ± 0.4682
ea19 1342 1342/1342 1342 ± 0 5.866 5.425/6.4 5.947 ± 0.5597
ea20 1342 1342/1342 1342 ± 0 5.939 5.389/6.4 5.881 ± 0.5849
ea21 1342 1342/1342 1342 ± 0 5.311 5.129/5.869 5.523 ± 0.4679
ea22 1342 1342/1342 1342 ± 0 5.327 5.067/5.998 5.528 ± 0.6025
ea23 1342 1342/1342 1342 ± 0.000009555 5.391 5.237/6.163 5.696 ± 0.6126
ea25 1342 1342/1342 1342 ± 0.00001187 5.104 4.965/5.703 5.334 ± 0.5343
ea26 1342 1342/1342 1342 ± 0 5.736 5.481/6.321 5.924 ± 0.614
ea27 1342 1342/1342 1342 ± 0.00004288 5.188 5.101/5.97 5.429 ± 0.5637
ea28 1342 1342/1342 1342 ± 0.00004153 5.3 5.134/6.108 5.565 ± 0.6135
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 ± 0.00002394 5.153 5.075/5.47 5.217 ± 0.2696
3 1342 1342/1342 1342 ± 0.00002981 4.814 4.586/5.015 4.825 ± 0.3458
4 1342 1342/1342 1342 ± 0.0000327 4.986 4.743/5.088 4.947 ± 0.2883
5 1342 1342/1342 1342 ± 0.00002394 5.111 4.894/5.291 5.123 ± 0.3232
6 1342 1342/1342 1342 ± 0.00002394 5.104 5.013/5.243 5.097 ± 0.2756
7 1342 1342/1342 1342 ± 0.00002394 5.126 5.049/5.248 5.124 ± 0.2485
8 1342 1342/1342 1342 ± 0.00002394 5.125 4.885/5.276 5.05 ± 0.2843
9 1342 1342/1342 1342 ± 0.00002394 5.313 5.175/5.543 5.296 ± 0.3115
10 1342 1342/1342 1342 ± 0.00002394 5.675 5.566/5.874 5.665 ± 0.2834
11 1342 1342/1342 1342 ± 0.00002394 5.932 5.753/6.014 5.863 ± 0.2872
12 1342 1342/1342 1342 ± 0.00002394 6.066 5.864/6.209 6.03 ± 0.3185
13 1342 1342/1342 1342 ± 0.00002394 6.459 6.339/6.629 6.436 ± 0.3224
14 1342 1342/1342 1342 ± 0.00002394 6.639 6.415/6.957 6.632 ± 0.351
15 1342 1342/1342 1342 ± 0.00002394 6.413 6.175/6.56 6.317 ± 0.3749
16 1342 1342/1342 1342 ± 0.0000469 5.406 5.228/5.868 5.493 ± 0.3314
17 1342 1342/1342 1342 ± 0.00004854 5.425 5.264/5.859 5.514 ± 0.3212
output_dir
 
vis
VLASS2.1.sb38617404.eb38633387.59098.857396747684_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-12-31 06:24:00.814
End
2024-12-31 07:19:21.171
Duration
0:55:20.357
Note, WebLog generation is not included in the time.

CASA logs for stage 8