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

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_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 5.445 5.382/5.969 5.686 ± 0.47
ea02 1342 1342/1342 1342 ± 0.00001204 5.812 5.389/6.423 5.87 ± 0.5863
ea04 1342 1342/1342 1342 ± 0 5.604 5.285/6.089 5.727 ± 0.484
ea05 1342 1342/1342 1342 ± 0 5.896 5.39/6.218 5.845 ± 0.5172
ea06 1342 1342/1342 1342 ± 0 3.096 3.011/3.361 3.164 ± 0.1873
ea07 1342 1342/1342 1342 ± 0 5.5 5.439/5.782 5.592 ± 0.2058
ea08 1342 1342/1342 1342 ± 0.000027 5.863 5.557/6.586 6.061 ± 0.6351
ea09 1342 1342/1342 1342 ± 0.00001056 4.998 4.815/5.472 5.133 ± 0.398
ea10 1342 1342/1342 1342 ± 0 5.588 5.356/6.347 5.785 ± 0.5684
ea11 1342 1342/1342 1342 ± 0 5.825 5.531/6.412 5.993 ± 0.5507
ea12 1342 1342/1342 1342 ± 0 6.056 5.477/6.466 6.023 ± 0.5211
ea13 1342 1342/1342 1342 ± 0 5.761 5.676/6.15 5.955 ± 0.4155
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 5.053 4.908/5.219 5.087 ± 0.313
ea17 1342 1342/1342 1342 ± 0.00002169 6.026 5.81/6.566 6.222 ± 0.5507
ea18 1342 1342/1342 1342 ± 0 5.227 4.989/5.694 5.305 ± 0.4346
ea19 1342 1342/1342 1342 ± 0 6.601 6.275/6.851 6.616 ± 0.3526
ea21 1342 1342/1342 1342 ± 0 5.756 5.442/6.314 5.884 ± 0.532
ea22 1342 1342/1342 1342 ± 0.0000129 5.275 5.088/6.053 5.53 ± 0.565
ea23 1342 1342/1342 1342 ± 0 6.069 5.526/6.459 6.052 ± 0.5743
ea25 1342 1342/1342 1342 ± 0 5.441 5.386/5.531 5.432 ± 0.1723
ea26 1342 1342/1342 1342 ± 0.000002209 5.715 5.617/6.608 6.005 ± 0.5593
ea27 1342 1342/1342 1342 ± 0.00002272 5.581 5.371/6.277 5.782 ± 0.5269
ea28 1342 1342/1342 1342 ± 0.00003481 5.718 5.486/6.424 5.902 ± 0.5956
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 ± 0.000026 5.539 5.368/5.722 5.481 ± 0.3318
3 1342 1342/1342 1342 ± 0.00003144 5.206 4.964/5.539 5.261 ± 0.3192
4 1342 1342/1342 1342 ± 0.000026 5.378 5.174/5.521 5.324 ± 0.2991
5 1342 1342/1342 1342 ± 0.000026 5.448 5.314/5.535 5.426 ± 0.2826
6 1342 1342/1342 1342 ± 0.000026 5.41 5.146/5.487 5.344 ± 0.2571
7 1342 1342/1342 1342 ± 0.000026 5.434 5.309/5.534 5.392 ± 0.2359
8 1342 1342/1342 1342 ± 0.000026 5.397 5.175/5.514 5.352 ± 0.2979
9 1342 1342/1342 1342 ± 0.000026 5.695 5.361/5.877 5.605 ± 0.3587
10 1342 1342/1342 1342 ± 0.000026 6.057 5.832/6.171 5.834 ± 0.6501
11 1342 1342/1342 1342 ± 0.000026 6.27 5.97/6.41 6.017 ± 0.7575
12 1342 1342/1342 1342 ± 0.000026 6.434 6.085/6.506 6.157 ± 0.7769
13 1342 1342/1342 1342 ± 0.000026 6.751 6.452/6.959 6.502 ± 0.819
14 1342 1342/1342 1342 ± 0.000026 6.85 6.6/7.073 6.629 ± 0.8437
15 1342 1342/1342 1342 ± 0.000026 6.393 6.148/6.564 6.139 ± 0.8097
16 1342 1342/1342 1342 ± 0.00004502 5.624 5.308/5.939 5.487 ± 0.7023
17 1342 1342/1342 1342 ± 0.00003875 5.624 5.321/6 5.514 ± 0.6895
datacolumn
residual_data
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2024-03-29 07:42:47.617
End
2024-03-29 08:52:22.015
Duration
1:09:34.398
Note, WebLog generation is not included in the time.

CASA logs for stage 7