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

Statwt Summary Plot

VLASS2.1.sb38541375.eb38627613.59093.84554634259_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 5.581 5.293/6.075 5.706 ± 0.5404
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.536 5.141/6.084 5.667 ± 0.5516
ea05 1342 1342/1342 1342 ± 0 5.669 5.333/6.284 5.815 ± 0.5823
ea06 1342 1342/1342 1342 ± 0 5.056 4.865/5.502 5.169 ± 0.3869
ea07 1342 1342/1342 1342 ± 0 5.886 5.45/6.259 5.963 ± 0.5593
ea08 1342 1342/1342 1342 ± 0 5.887 5.46/6.572 6.038 ± 0.6686
ea09 1342 1342/1342 1342 ± 0 5.755 5.206/6.393 5.797 ± 0.6159
ea10 1342 1342/1342 1342 ± 0 5.701 5.285/6.541 5.862 ± 0.6748
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.856 5.376/6.382 5.972 ± 0.6306
ea13 1342 1342/1342 1342 ± 0 6.052 5.721/6.351 6.097 ± 0.5013
ea14 1342 1342/1342 1342 ± 0 5.801 5.263/6.344 5.835 ± 0.6374
ea15 1342 1342/1342 1342 ± 0 5.585 5.11/6.135 5.686 ± 0.6694
ea16 1342 1342/1342 1342 ± 0 6.117 5.676/6.571 6.205 ± 0.7077
ea17 1342 1342/1342 1342 ± 0.000005746 5.981 5.577/6.461 6.087 ± 0.6302
ea18 1342 1342/1342 1342 ± 0 5.042 4.767/5.457 5.138 ± 0.4928
ea19 1342 1342/1342 1342 ± 0 5.981 5.561/6.584 6.141 ± 0.6159
ea20 1342 1342/1342 1342 ± 0 6.146 5.775/6.794 6.257 ± 0.6515
ea21 1342 1342/1342 1342 ± 0 5.611 5.372/6.254 5.795 ± 0.5458
ea22 1342 1342/1342 1342 ± 0 5.668 5.222/6.325 5.782 ± 0.6475
ea23 1342 1342/1342 1342 ± 0 5.981 5.462/6.545 6.056 ± 0.6696
ea25 1342 1342/1342 1342 ± 0 5.536 5.211/6.087 5.651 ± 0.5643
ea26 1342 1342/1342 1342 ± 0 5.976 5.621/6.657 6.122 ± 0.666
ea27 1342 1342/1342 1342 ± 0.00003224 5.553 5.249/6.37 5.738 ± 0.6139
ea28 1342 1342/1342 1342 ± 0 5.596 5.349/6.353 5.819 ± 0.6573
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 ± 0.00002445 5.429 5.214/5.656 5.412 ± 0.253
3 1342 1342/1342 1342 ± 0.0000265 5.06 4.867/5.277 5.072 ± 0.2632
4 1342 1342/1342 1342 ± 0.00002459 5.098 4.999/5.325 5.153 ± 0.2843
5 1342 1342/1342 1342 ± 0.00002445 5.384 5.152/5.52 5.353 ± 0.2994
6 1342 1342/1342 1342 ± 0.00002445 5.317 5.16/5.494 5.306 ± 0.2755
7 1342 1342/1342 1342 ± 0.00002445 5.372 5.234/5.565 5.367 ± 0.2469
8 1342 1342/1342 1342 ± 0.00002445 5.382 5.122/5.537 5.324 ± 0.2767
9 1342 1342/1342 1342 ± 0.00002445 5.596 5.435/5.881 5.599 ± 0.3045
10 1342 1342/1342 1342 ± 0.00002445 6.043 5.878/6.217 6.023 ± 0.2999
11 1342 1342/1342 1342 ± 0.00002445 6.311 6.167/6.484 6.245 ± 0.3184
12 1342 1342/1342 1342 ± 0.00002445 6.417 6.169/6.587 6.387 ± 0.3413
13 1342 1342/1342 1342 ± 0.00002445 6.807 6.688/7.049 6.809 ± 0.3608
14 1342 1342/1342 1342 ± 0.00002445 6.989 6.804/7.261 6.967 ± 0.389
15 1342 1342/1342 1342 ± 0.00002445 6.672 6.459/6.845 6.587 ± 0.3741
16 1342 1342/1342 1342 ± 0.00003155 5.996 5.819/6.251 5.969 ± 0.3315
17 1342 1342/1342 1342 ± 0.00002951 5.902 5.797/6.118 5.922 ± 0.3066
output_dir
 
vis
VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-05-01 10:48:33.761
End
2024-05-01 11:56:11.535
Duration
1:07:37.773
Note, WebLog generation is not included in the time.

CASA logs for stage 7