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

Statwt Summary Plot

VLASS2.1.sb38610195.eb38638028.59101.102248043986_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 5.441 5.067/5.626 5.382 ± 0.4459
ea02 1342 1342/1342 1342 ± 0.00001898 5.427 5.165/5.927 5.566 ± 0.5084
ea04 1342 1342/1342 1342 ± 0 5.265 4.936/5.65 5.353 ± 0.4539
ea05 1342 1342/1342 1342 ± 0 5.794 5.314/6.248 5.751 ± 0.5617
ea06 1342 1342/1342 1342 ± 0 4.561 4.485/4.904 4.671 ± 0.2588
ea07 1342 1342/1342 1342 ± 0 5.955 5.391/6.073 5.897 ± 0.5066
ea08 1342 1342/1342 1342 ± 0 5.627 5.362/6.275 5.819 ± 0.5681
ea09 1342 1342/1342 1342 ± 0 5.522 5.113/6.046 5.612 ± 0.5312
ea10 1342 1342/1342 1342 ± 0 5.754 5.223/6.316 5.76 ± 0.5843
ea11 1342 1342/1342 1342 ± 0 5.527 5.393/5.92 5.696 ± 0.4167
ea12 1342 1342/1342 1342 ± 0 5.591 5.253/5.938 5.668 ± 0.562
ea13 1342 1342/1342 1342 ± 0 5.646 5.317/6.015 5.651 ± 0.3753
ea14 1342 1342/1342 1342 ± 0 5.642 5.09/6.544 5.84 ± 0.812
ea15 1342 1342/1342 1342 ± 0 5.642 5.079/6.057 5.686 ± 0.6258
ea16 1342 1342/1342 1342 ± 0 6.078 5.574/6.51 6.142 ± 0.6465
ea17 1342 1342/1342 1342 ± 0.00000111 5.891 5.574/6.442 6.041 ± 0.597
ea18 1342 1342/1342 1342 ± 0 4.977 4.65/5.426 5.055 ± 0.4482
ea19 1342 1342/1342 1342 ± 0 6.192 5.575/6.758 6.211 ± 0.6479
ea20 1342 1342/1342 1342 ± 0 5.841 5.452/6.234 5.85 ± 0.4356
ea21 1342 1342/1342 1342 ± 0 5.871 5.261/6.108 5.857 ± 0.6739
ea22 1342 1342/1342 1342 ± 0 5.199 5.064/5.829 5.426 ± 0.5415
ea23 1342 1342/1342 1342 ± 0 5.827 5.338/6.463 5.961 ± 0.7351
ea25 1342 1342/1342 1342 ± 0 5.149 4.99/5.64 5.317 ± 0.4441
ea26 1342 1342/1342 1342 ± 0 5.812 5.585/6.559 5.99 ± 0.5407
ea27 1342 1342/1342 1342 ± 0.00001397 5.349 5.191/6.098 5.549 ± 0.536
ea28 1342 1342/1342 1342 ± 0.00002852 5.434 5.095/5.889 5.632 ± 0.7222
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 ± 0.00002353 5.324 5.146/5.525 5.316 ± 0.2742
3 1342 1342/1342 1342 ± 0.0000384 4.811 4.634/4.993 4.837 ± 0.2901
4 1342 1342/1342 1342 ± 0.00002442 5.24 4.959/5.371 5.166 ± 0.346
5 1342 1342/1342 1342 ± 0.00002353 5.272 5.023/5.442 5.24 ± 0.3038
6 1342 1342/1342 1342 ± 0.00002353 5.193 5.041/5.331 5.156 ± 0.2835
7 1342 1342/1342 1342 ± 0.00002353 5.211 5.089/5.303 5.196 ± 0.2641
8 1342 1342/1342 1342 ± 0.00002353 5.148 5.014/5.364 5.152 ± 0.3043
9 1342 1342/1342 1342 ± 0.00002358 5.359 5.176/5.732 5.4 ± 0.3655
10 1342 1342/1342 1342 ± 0.00002349 5.768 5.601/5.953 5.735 ± 0.3266
11 1342 1342/1342 1342 ± 0.00002353 5.993 5.85/6.263 5.95 ± 0.3641
12 1342 1342/1342 1342 ± 0.00002389 6.09 5.703/6.352 6.009 ± 0.5254
13 1342 1342/1342 1342 ± 0.00002362 6.603 6.288/6.839 6.519 ± 0.4711
14 1342 1342/1342 1342 ± 0.00002366 6.722 6.434/7.097 6.689 ± 0.5281
15 1342 1342/1342 1342 ± 0.00002393 6.309 6.051/6.776 6.308 ± 0.5316
16 1342 1342/1342 1342 ± 0.00002834 5.777 5.39/6 5.742 ± 0.475
17 1342 1342/1342 1342 ± 0.00002995 5.77 5.413/6.036 5.739 ± 0.4629
vis
VLASS2.1.sb38610195.eb38638028.59101.102248043986_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2025-01-08 12:13:26.051
End
2025-01-08 13:21:10.076
Duration
1:07:44.025
Note, WebLog generation is not included in the time.

CASA logs for stage 8