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

Statwt Summary Plot

VLASS2.1.sb38487128.eb38624732.59090.114586261574_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 5.373 5.067/5.816 5.288 ± 0.8303
ea02 1342 1342/1342 1342 ± 0.00004272 5.82 5.243/6.524 5.723 ± 1.007
ea04 1342 1342/1342 1342 ± 0.000002267 5.308 5.213/6.042 5.393 ± 0.7815
ea05 1342 1342/1342 1342 ± 0.0000178 5.443 5.081/6.144 5.51 ± 0.8179
ea06 1342 1342/1342 1342 ± 0.000007334 5.156 4.568/5.3 4.832 ± 0.8037
ea07 1342 1342/1342 1342 ± 0.0000435 5.789 5.427/6.199 5.63 ± 0.8869
ea08 1342 1342/1342 1342 ± 0.00004272 5.789 5.46/6.679 5.827 ± 1.064
ea09 1342 1342/1342 1342 ± 0.00002604 5.316 4.978/6.384 5.527 ± 0.8232
ea10 1342 1342/1342 1342 ± 0.0000449 5.666 5.26/6.38 5.617 ± 0.9111
ea11 1342 1342/1342 1342 ± 0.00003844 5.55 5.136/6.296 5.478 ± 1.019
ea12 1342 1342/1342 1342 ± 0.000009185 5.43 5.367/6.456 5.637 ± 1.009
ea13 1342 1342/1342 1342 ± 0.00003051 5.821 5.4/6.315 5.86 ± 0.8322
ea14 1342 1342/1342 1342 ± 0.0000178 5.525 5.232/6.408 5.588 ± 0.8513
ea15 1342 1342/1342 1342 ± 0.000001603 5.3 5.089/6.142 5.48 ± 0.8881
ea16 1342 1342/1342 1342 ± 0.00003137 5.914 5.508/6.627 5.87 ± 0.976
ea17 1342 1342/1342 1342 ± 0.00004346 5.809 5.31/6.385 5.697 ± 1.018
ea18 1342 1342/1342 1342 ± 0.00002183 4.865 4.589/5.579 4.852 ± 0.8135
ea19 1342 1342/1342 1342 ± 0.000002267 5.67 5.494/6.57 5.787 ± 0.8731
ea20 1342 1342/1342 1342 ± 0.0000138 5.745 5.596/6.643 5.812 ± 1.107
ea21 1342 1342/1342 1342 ± 0.00002747 5.518 5.339/6.145 5.474 ± 0.8315
ea22 1342 1342/1342 1342 ± 0.00004088 5.415 5.021/6.371 5.55 ± 0.9045
ea23 1342 1342/1342 1342 ± 0.00004197 5.742 5.313/6.396 5.705 ± 0.9565
ea25 1342 1342/1342 1342 ± 0.00004299 5.386 4.825/6.092 5.299 ± 0.9056
ea26 1342 1342/1342 1342 ± 0.00003612 5.786 5.447/6.778 5.956 ± 0.9316
ea27 1342 1342/1342 1342 ± 0.00004783 5.435 4.881/6.184 5.381 ± 0.8472
ea28 1342 1342/1342 1342 ± 0.00004325 5.567 5.268/6.388 5.575 ± 0.9893
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.
3 1342 1342/1342 1342 ± 0.00002886 5.144 4.863/5.422 5.132 ± 0.3468
5 1342 1342/1342 1342 ± 0.00002439 5.38 5.214/5.564 5.408 ± 0.2512
6 1342 1342/1342 1342 ± 0.00002392 5.417 5.248/5.599 5.384 ± 0.2783
7 1342 1342/1342 1342 ± 0.00002392 5.388 5.215/5.527 5.387 ± 0.2514
8 1342 1342/1342 1342 ± 0.00002392 5.341 5.095/5.463 5.303 ± 0.2359
9 1342 1342/1342 1342 ± 0.00002392 5.565 5.372/5.713 5.52 ± 0.2732
10 1342 1342/1342 1342 ± 0.00002348 5.959 5.715/6.154 5.905 ± 0.3353
11 1342 1342/1342 1342 ± 0.00002348 6.258 6.101/6.391 6.192 ± 0.3412
12 1342 1342/1342 1342 ± 0.00002348 6.391 6.187/6.549 6.361 ± 0.3627
13 1342 1342/1342 1342 ± 0.00002348 6.732 6.445/6.852 6.641 ± 0.3676
14 1342 1342/1342 1342 ± 0.00002996 6.494 6.102/6.814 6.443 ± 0.4874
15 1342 1342/1342 1342 ± 0.00002391 6.684 6.417/6.95 6.611 ± 0.4887
16 1342 1342/1342 1342 ± 0.00005988 3.703 3.505/3.875 3.714 ± 0.2889
17 1342 1342/1342 1342 ± 0.00006092 3.872 3.675/4.028 3.868 ± 0.3401
overwrite_modelcol
False
vis
VLASS2.1.sb38487128.eb38624732.59090.114586261574_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2024-07-16 21:47:46.216
End
2024-07-16 22:17:47.820
Duration
0:30:01.603
Note, WebLog generation is not included in the time.

CASA logs for stage 8