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 5.303/5.867 5.633 ± 0.452
ea02 1342 1342/1342 1342 ± 0 5.933 5.503/6.435 5.981 ± 0.4975
ea04 1342 1342/1342 1342 ± 0 5.574 5.274/6.105 5.708 ± 0.4644
ea05 1342 1342/1342 1342 ± 0 5.829 5.486/6.211 5.862 ± 0.4912
ea06 1342 1342/1342 1342 ± 0 2.965 2.917/3.211 3.063 ± 0.1924
ea07 1342 1342/1342 1342 ± 0 5.609 5.481/5.842 5.638 ± 0.2108
ea08 1342 1342/1342 1342 ± 0 5.863 5.582/6.477 6.038 ± 0.5688
ea09 1342 1342/1342 1342 ± 0 5.107 4.932/5.529 5.208 ± 0.3352
ea10 1342 1342/1342 1342 ± 0.000001179 5.581 5.289/6.309 5.763 ± 0.5231
ea11 1342 1342/1342 1342 ± 0 5.803 5.608/6.346 5.969 ± 0.484
ea12 1342 1342/1342 1342 ± 0 5.924 5.458/6.22 5.911 ± 0.5006
ea13 1342 1342/1342 1342 ± 0 6.123 5.805/6.274 6.103 ± 0.3899
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 5.146 4.984/5.319 5.141 ± 0.2672
ea17 1342 1342/1342 1342 ± 0.00001115 6.053 5.773/6.426 6.194 ± 0.504
ea18 1342 1342/1342 1342 ± 0 5.173 4.949/5.58 5.277 ± 0.3961
ea19 1342 1342/1342 1342 ± 0 6.572 6.203/6.906 6.582 ± 0.3529
ea21 1342 1342/1342 1342 ± 0 5.756 5.55/6.302 5.945 ± 0.4724
ea22 1342 1342/1342 1342 ± 0 5.556 5.219/6.026 5.623 ± 0.4952
ea23 1342 1342/1342 1342 ± 0 5.927 5.563/6.456 6.047 ± 0.5693
ea25 1342 1342/1342 1342 ± 0.000001667 5.458 5.374/5.523 5.441 ± 0.1404
ea26 1342 1342/1342 1342 ± 0 6.105 5.671/6.495 6.093 ± 0.4676
ea27 1342 1342/1342 1342 ± 0.00001612 5.511 5.218/6.181 5.696 ± 0.4988
ea28 1342 1342/1342 1342 ± 0.000004389 5.67 5.473/6.299 5.864 ± 0.5252
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 ± 0.00002609 5.552 5.44/5.78 5.539 ± 0.3112
3 1342 1342/1342 1342 ± 0.0000339 5.325 5.069/5.654 5.376 ± 0.3273
4 1342 1342/1342 1342 ± 0.00002609 5.46 5.181/5.583 5.383 ± 0.3367
5 1342 1342/1342 1342 ± 0.00002609 5.495 5.331/5.688 5.486 ± 0.2969
6 1342 1342/1342 1342 ± 0.00002609 5.405 5.278/5.508 5.384 ± 0.2446
7 1342 1342/1342 1342 ± 0.00002609 5.38 5.27/5.547 5.393 ± 0.2242
8 1342 1342/1342 1342 ± 0.00002609 5.418 5.158/5.514 5.342 ± 0.2753
9 1342 1342/1342 1342 ± 0.00002609 5.674 5.281/5.865 5.57 ± 0.3413
10 1342 1342/1342 1342 ± 0.00002609 5.985 5.771/6.157 5.793 ± 0.63
11 1342 1342/1342 1342 ± 0.00002609 6.243 5.905/6.315 5.948 ± 0.7582
12 1342 1342/1342 1342 ± 0.00002609 6.325 6/6.444 6.076 ± 0.7851
13 1342 1342/1342 1342 ± 0.00002609 6.749 6.358/6.848 6.427 ± 0.8281
14 1342 1342/1342 1342 ± 0.00002609 6.801 6.552/6.976 6.552 ± 0.8529
15 1342 1342/1342 1342 ± 0.00002609 6.386 6.119/6.592 6.143 ± 0.828
16 1342 1342/1342 1342 ± 0.00002883 5.685 5.452/6.015 5.599 ± 0.7151
17 1342 1342/1342 1342 ± 0.00002651 5.759 5.553/6.071 5.628 ± 0.6944
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2024-03-29 07:39:06.004
End
2024-03-29 08:35:40.082
Duration
0:56:34.078
Note, WebLog generation is not included in the time.

CASA logs for stage 7