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

Statwt Summary Plot

VLASS2.1.sb38652042.eb38809484.59142.37127280093_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 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea02 1342 1342/1342 1342 ± 0 5.749 5.374/6.42 5.59 ± 1.056
ea03 1342 1342/1342 1342 ± 0.00002428 5.018 4.671/5.918 5.155 ± 0.7905
ea04 1342 1342/1342 1342 ± 0.000004402 5.509 5.085/6.039 5.411 ± 0.9743
ea05 1342 1342/1342 1342 ± 0 5.331 4.882/6.008 5.391 ± 0.8148
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.00002189 5.886 5.414/6.321 5.66 ± 1.008
ea08 1342 1342/1342 1342 ± 0.00004932 5.909 5.426/6.634 5.702 ± 1.204
ea09 1342 1342/1342 1342 ± 0.00003444 5.679 5.185/6.265 5.614 ± 0.791
ea10 1342 1342/1342 1342 ± 0.0000347 5.718 5.225/6.591 5.634 ± 1.023
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003167 5.584 5.257/6.541 5.683 ± 1.13
ea13 1342 1342/1342 1342 ± 0.00002218 5.842 5.373/6.33 5.651 ± 0.8823
ea14 1342 1342/1342 1342 ± 0.00001837 5.467 5.107/6.222 5.455 ± 0.8858
ea15 1342 1342/1342 1342 ± 0.000001222 2.602 2.372/2.985 2.683 ± 0.5136
ea17 1342 1342/1342 1342 ± 0.00004358 6.035 5.635/6.809 5.96 ± 1.184
ea18 1342 1342/1342 1342 ± 0.00004497 4.801 4.657/5.476 4.812 ± 0.7359
ea19 1342 1342/1342 1342 ± 0.00001033 5.607 5.278/6.383 5.673 ± 0.8457
ea20 1342 1342/1342 1342 ± 0.00004265 5.825 5.639/7.025 5.986 ± 1.161
ea21 1342 1342/1342 1342 ± 0.000004883 5.619 5.192/6.345 5.6 ± 0.9024
ea23 1342 1342/1342 1342 ± 0.00001379 5.487 5.111/5.529 5.109 ± 0.8489
ea24 1342 1342/1342 1342 ± 0.00003664 5.492 5.329/6.273 5.633 ± 0.7867
ea25 1342 1342/1342 1342 ± 0.00004391 5.503 5.187/6.17 5.401 ± 0.977
ea26 1342 1342/1342 1342 ± 0.00001807 5.77 5.65/6.628 5.97 ± 0.852
ea27 1342 1342/1342 1342 ± 0.00004326 5.436 5.143/6.477 5.435 ± 1.031
ea28 1342 1342/1342 1342 ± 0.00003529 5.36 5.173/6.167 5.494 ± 0.798
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 ± 0.00002511 5.348 5.247/5.634 5.275 ± 0.6273
5 1342 1342/1342 1342 ± 0.00002566 5.28 5.14/5.567 5.187 ± 0.6735
6 1342 1342/1342 1342 ± 0.00002543 5.2 5.063/5.409 5.09 ± 0.648
7 1342 1342/1342 1342 ± 0.00002534 5.339 5.232/5.496 5.206 ± 0.7031
8 1342 1342/1342 1342 ± 0.00002534 5.279 5.146/5.423 5.163 ± 0.7109
9 1342 1342/1342 1342 ± 0.00002557 5.475 5.236/5.759 5.336 ± 0.7561
10 1342 1342/1342 1342 ± 0.00002489 6.012 5.728/6.285 5.811 ± 0.8093
11 1342 1342/1342 1342 ± 0.00002489 6.327 6.036/6.556 6.145 ± 0.7696
12 1342 1342/1342 1342 ± 0.00002489 6.479 6.331/6.646 6.345 ± 0.8103
13 1342 1342/1342 1342 ± 0.00002489 6.513 6.318/6.743 6.399 ± 0.7321
14 1342 1342/1342 1342 ± 0.00003079 5.939 5.614/6.406 5.978 ± 0.7323
15 1342 1342/1342 1342 ± 0.00002489 6.402 5.979/6.82 6.274 ± 0.8657
16 1342 1342/1342 1342 ± 0.00006084 3.456 3.268/3.665 3.435 ± 0.3827
17 1342 1342/1342 1342 ± 0.00006103 3.591 3.444/3.802 3.582 ± 0.3952
output_dir
 
vis
VLASS2.1.sb38652042.eb38809484.59142.37127280093_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-11 14:47:47.536
End
2025-01-11 15:48:14.134
Duration
1:00:26.598
Note, WebLog generation is not included in the time.

CASA logs for stage 8