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 5.592 5.176/6.077 5.681 ± 0.561
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.524 5.122/6.097 5.644 ± 0.59
ea05 1342 1342/1342 1342 ± 0 5.732 5.227/6.33 5.821 ± 0.6125
ea06 1342 1342/1342 1342 ± 0 5.082 4.829/5.5 5.156 ± 0.4185
ea07 1342 1342/1342 1342 ± 0 5.963 5.401/6.225 5.931 ± 0.5946
ea08 1342 1342/1342 1342 ± 0 5.85 5.421/6.514 5.994 ± 0.6715
ea09 1342 1342/1342 1342 ± 0 5.691 5.065/6.356 5.721 ± 0.6424
ea10 1342 1342/1342 1342 ± 0 5.8 5.218/6.528 5.855 ± 0.6696
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.813 5.381/6.418 5.965 ± 0.6535
ea13 1342 1342/1342 1342 ± 0 5.968 5.579/6.314 6.044 ± 0.5293
ea14 1342 1342/1342 1342 ± 0 5.95 5.247/6.375 5.816 ± 0.6612
ea15 1342 1342/1342 1342 ± 0 5.537 5.064/6.125 5.655 ± 0.6823
ea16 1342 1342/1342 1342 ± 0 6.084 5.529/6.556 6.157 ± 0.7384
ea17 1342 1342/1342 1342 ± 0.00001193 5.927 5.552/6.439 6.058 ± 0.6465
ea18 1342 1342/1342 1342 ± 0 5.037 4.758/5.47 5.132 ± 0.5212
ea19 1342 1342/1342 1342 ± 0 5.946 5.531/6.574 6.111 ± 0.6531
ea20 1342 1342/1342 1342 ± 0 6.11 5.719/6.776 6.21 ± 0.6727
ea21 1342 1342/1342 1342 ± 0 5.599 5.326/6.223 5.767 ± 0.5753
ea22 1342 1342/1342 1342 ± 0 5.691 5.173/6.32 5.747 ± 0.672
ea23 1342 1342/1342 1342 ± 0 5.983 5.436/6.54 6.028 ± 0.6876
ea25 1342 1342/1342 1342 ± 0.000002179 5.544 5.18/6.033 5.619 ± 0.5894
ea26 1342 1342/1342 1342 ± 0 5.985 5.497/6.626 6.046 ± 0.6917
ea27 1342 1342/1342 1342 ± 0.00001954 5.572 5.101/6.355 5.698 ± 0.6306
ea28 1342 1342/1342 1342 ± 0 5.613 5.323/6.338 5.797 ± 0.6631
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 ± 0.00002442 5.418 5.191/5.565 5.373 ± 0.2408
3 1342 1342/1342 1342 ± 0.00002792 5.009 4.851/5.244 5.03 ± 0.2762
4 1342 1342/1342 1342 ± 0.00002442 5.164 4.922/5.307 5.13 ± 0.283
5 1342 1342/1342 1342 ± 0.00002442 5.361 5.097/5.449 5.311 ± 0.298
6 1342 1342/1342 1342 ± 0.00002468 5.11 4.912/5.24 5.09 ± 0.2439
7 1342 1342/1342 1342 ± 0.00002442 5.332 5.193/5.456 5.335 ± 0.2399
8 1342 1342/1342 1342 ± 0.00002442 5.342 5.138/5.528 5.292 ± 0.2677
9 1342 1342/1342 1342 ± 0.00002442 5.557 5.401/5.84 5.565 ± 0.2971
10 1342 1342/1342 1342 ± 0.00002442 6.002 5.844/6.173 5.983 ± 0.2941
11 1342 1342/1342 1342 ± 0.00002442 6.275 6.113/6.428 6.214 ± 0.3117
12 1342 1342/1342 1342 ± 0.00002442 6.399 6.165/6.563 6.372 ± 0.3338
13 1342 1342/1342 1342 ± 0.00002442 6.797 6.662/7.02 6.792 ± 0.3514
14 1342 1342/1342 1342 ± 0.00002442 6.963 6.795/7.278 6.97 ± 0.383
15 1342 1342/1342 1342 ± 0.00002442 6.645 6.466/6.856 6.584 ± 0.3544
16 1342 1342/1342 1342 ± 0.00002765 5.982 5.825/6.166 5.971 ± 0.307
17 1342 1342/1342 1342 ± 0.00002581 5.975 5.773/6.188 5.96 ± 0.2995
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-05-01 09:15:32.584
End
2024-05-01 10:24:01.160
Duration
1:08:28.576
Note, WebLog generation is not included in the time.

CASA logs for stage 7