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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.442 5.369/6.161 5.751 ± 0.6057
ea02 1342 1342/1342 1342 ± 0.00004183 6.018 5.53/6.597 6.071 ± 0.6327
ea03 1342 1342/1342 1342 ± 0 5.632 4.925/6.056 5.531 ± 0.5904
ea04 1342 1342/1342 1342 ± 0.000002528 5.703 5.071/6.053 5.615 ± 0.5655
ea05 1342 1342/1342 1342 ± 0 6.058 5.402/6.482 5.846 ± 0.6971
ea06 1342 1342/1342 1342 ± 0 4.71 4.532/4.745 4.614 ± 0.2821
ea07 1342 1342/1342 1342 ± 0 6.065 5.608/6.359 6.147 ± 0.5423
ea08 1342 1342/1342 1342 ± 0 6.01 5.631/6.784 6.161 ± 0.6956
ea09 1342 1342/1342 1342 ± 0 5.901 5.378/6.604 5.944 ± 0.7303
ea10 1342 1342/1342 1342 ± 0 5.92 5.494/6.654 6.035 ± 0.6643
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.923 5.321/6.326 5.852 ± 0.7182
ea13 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6 5.358/6.424 5.969 ± 0.7316
ea16 1342 1342/1342 1342 ± 0 6.364 5.81/6.9 6.356 ± 0.7803
ea17 1342 1342/1342 1342 ± 0 6.525 5.901/7.105 6.522 ± 0.661
ea18 1342 1342/1342 1342 ± 0 5.199 4.714/5.527 5.161 ± 0.4581
ea19 1342 1342/1342 1342 ± 0 6.202 5.529/6.622 6.116 ± 0.5771
ea20 1342 1342/1342 1342 ± 0 5.994 5.437/6.582 5.962 ± 0.6721
ea21 1342 1342/1342 1342 ± 0 5.894 5.524/6.467 5.931 ± 0.6441
ea22 1342 1342/1342 1342 ± 0 5.989 5.419/6.335 5.874 ± 0.5681
ea23 1342 1342/1342 1342 ± 0 6.153 5.536/6.621 6.111 ± 0.6976
ea24 1342 1342/1342 1342 ± 0 6.033 5.6/6.688 6.053 ± 0.669
ea25 1342 1342/1342 1342 ± 0 5.683 5.348/6.243 5.792 ± 0.5865
ea26 1342 1342/1342 1342 ± 0 6.508 5.827/7.102 6.428 ± 0.7318
ea27 1342 1342/1342 1342 ± 0 5.599 5.424/6.425 5.834 ± 0.6226
ea28 1342 1342/1342 1342 ± 0 5.571 5.291/6.294 5.73 ± 0.6146
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 ± 0.00002403 5.38 5.19/5.524 5.343 ± 0.2895
4 1342 1342/1342 1342 ± 0.00002831 4.684 4.478/4.795 4.629 ± 0.2609
5 1342 1342/1342 1342 ± 0.00002403 5.42 5.158/5.623 5.373 ± 0.3571
6 1342 1342/1342 1342 ± 0.00002403 5.404 5.263/5.596 5.375 ± 0.3219
7 1342 1342/1342 1342 ± 0.00002403 5.482 5.321/5.59 5.415 ± 0.3005
8 1342 1342/1342 1342 ± 0.00002403 5.408 5.199/5.562 5.354 ± 0.3423
9 1342 1342/1342 1342 ± 0.00002403 5.618 5.422/5.976 5.627 ± 0.378
10 1342 1342/1342 1342 ± 0.0000245 6.126 5.938/6.343 6.098 ± 0.3321
11 1342 1342/1342 1342 ± 0.0000245 6.412 6.186/6.566 6.325 ± 0.3284
12 1342 1342/1342 1342 ± 0.0000245 6.518 6.329/6.623 6.487 ± 0.3566
13 1342 1342/1342 1342 ± 0.0000245 6.886 6.715/7.007 6.87 ± 0.3607
14 1342 1342/1342 1342 ± 0.0000245 7.029 6.819/7.3 7.029 ± 0.3876
15 1342 1342/1342 1342 ± 0.0000245 6.667 6.46/6.863 6.644 ± 0.3551
16 1342 1342/1342 1342 ± 0.00002501 6.035 5.758/6.261 6.061 ± 0.3729
17 1342 1342/1342 1342 ± 0.00002501 6.056 5.901/6.303 6.092 ± 0.3474
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-02-04 01:10:04.225
End
2025-02-04 01:38:06.599
Duration
0:28:02.373
Note, WebLog generation is not included in the time.

CASA logs for stage 8