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 5.694 5.261/6.056 5.74 ± 0.5495
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.566 5.194/6.098 5.699 ± 0.5508
ea05 1342 1342/1342 1342 ± 0 5.756 5.242/6.333 5.854 ± 0.5922
ea06 1342 1342/1342 1342 ± 0 5.138 4.92/5.527 5.206 ± 0.3954
ea07 1342 1342/1342 1342 ± 0 5.942 5.506/6.286 6.025 ± 0.5901
ea08 1342 1342/1342 1342 ± 0 5.981 5.537/6.714 6.101 ± 0.6922
ea09 1342 1342/1342 1342 ± 0 5.745 5.238/6.412 5.811 ± 0.615
ea10 1342 1342/1342 1342 ± 0 5.756 5.339/6.63 5.931 ± 0.6894
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.149 5.558/6.607 6.141 ± 0.6732
ea13 1342 1342/1342 1342 ± 0 6.179 5.738/6.415 6.173 ± 0.5107
ea14 1342 1342/1342 1342 ± 0 5.99 5.343/6.397 5.902 ± 0.6375
ea15 1342 1342/1342 1342 ± 0 5.604 5.133/6.193 5.721 ± 0.6736
ea16 1342 1342/1342 1342 ± 0 6.232 5.682/6.785 6.264 ± 0.7049
ea17 1342 1342/1342 1342 ± 0.00001254 6.052 5.625/6.773 6.127 ± 0.6473
ea18 1342 1342/1342 1342 ± 0 5.122 4.813/5.513 5.184 ± 0.5085
ea19 1342 1342/1342 1342 ± 0 6.224 5.591/6.741 6.209 ± 0.6145
ea20 1342 1342/1342 1342 ± 0 6.417 5.887/6.975 6.367 ± 0.6735
ea21 1342 1342/1342 1342 ± 0 5.632 5.319/6.274 5.812 ± 0.5606
ea22 1342 1342/1342 1342 ± 0 5.695 5.258/6.375 5.817 ± 0.6516
ea23 1342 1342/1342 1342 ± 0 6.018 5.532/6.601 6.125 ± 0.6764
ea25 1342 1342/1342 1342 ± 0 5.58 5.285/6.182 5.707 ± 0.5938
ea26 1342 1342/1342 1342 ± 0 6.01 5.606/6.701 6.16 ± 0.6652
ea27 1342 1342/1342 1342 ± 0.00004005 5.713 5.315/6.43 5.826 ± 0.6042
ea28 1342 1342/1342 1342 ± 0 5.653 5.415/6.473 5.884 ± 0.6781
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 ± 0.00002449 5.456 5.263/5.668 5.46 ± 0.2502
3 1342 1342/1342 1342 ± 0.00002811 5.101 4.83/5.331 5.08 ± 0.3149
4 1342 1342/1342 1342 ± 0.00002449 5.275 5.102/5.509 5.272 ± 0.3268
5 1342 1342/1342 1342 ± 0.00003052 5.363 5.2/5.591 5.393 ± 0.3225
6 1342 1342/1342 1342 ± 0.00002458 5.22 5.039/5.499 5.233 ± 0.2702
7 1342 1342/1342 1342 ± 0.00002449 5.435 5.291/5.554 5.425 ± 0.2556
8 1342 1342/1342 1342 ± 0.00002449 5.422 5.187/5.526 5.373 ± 0.2804
9 1342 1342/1342 1342 ± 0.00002449 5.655 5.464/5.903 5.648 ± 0.3135
10 1342 1342/1342 1342 ± 0.00002449 6.088 5.91/6.25 6.061 ± 0.3123
11 1342 1342/1342 1342 ± 0.00002449 6.366 6.208/6.524 6.3 ± 0.3288
12 1342 1342/1342 1342 ± 0.00002449 6.452 6.221/6.663 6.424 ± 0.3476
13 1342 1342/1342 1342 ± 0.00002449 6.855 6.736/7.135 6.864 ± 0.3709
14 1342 1342/1342 1342 ± 0.00002449 7.014 6.849/7.336 7.034 ± 0.4016
15 1342 1342/1342 1342 ± 0.00002449 6.721 6.489/6.893 6.64 ± 0.3769
16 1342 1342/1342 1342 ± 0.00003352 5.992 5.834/6.287 6.003 ± 0.343
17 1342 1342/1342 1342 ± 0.00003307 5.924 5.766/6.18 5.958 ± 0.3183
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms
Start time
2024-05-01 05:18:53.580
End
2024-05-01 06:02:50.090
Duration
0:43:56.509
Note, WebLog generation is not included in the time.

CASA logs for stage 7