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

Statwt Summary Plot

VLASS2.1.sb38487128.eb38624732.59090.114586261574_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 5.396 5.283/6.067 5.445 ± 0.7993
ea02 1342 1342/1342 1342 ± 0.00004265 5.932 5.395/6.648 5.773 ± 0.9987
ea04 1342 1342/1342 1342 ± 0.00001822 5.229 5.076/5.996 5.393 ± 0.7143
ea05 1342 1342/1342 1342 ± 0.00002602 5.44 5.105/6.463 5.637 ± 0.8052
ea06 1342 1342/1342 1342 ± 0.000002992 5.237 4.723/5.311 4.908 ± 0.6974
ea07 1342 1342/1342 1342 ± 0.00004221 5.895 5.477/6.298 5.778 ± 0.8729
ea08 1342 1342/1342 1342 ± 0.0000398 5.934 5.574/6.761 5.948 ± 0.9771
ea09 1342 1342/1342 1342 ± 0.0000251 5.447 5.157/6.277 5.572 ± 0.7744
ea10 1342 1342/1342 1342 ± 0.00004168 5.551 5.267/6.542 5.684 ± 0.9118
ea11 1342 1342/1342 1342 ± 0.00003475 5.524 5.144/6.395 5.654 ± 0.9408
ea12 1342 1342/1342 1342 ± 0.000004325 5.656 5.383/6.516 5.768 ± 0.937
ea13 1342 1342/1342 1342 ± 0.00001978 5.891 5.734/6.437 5.937 ± 0.7785
ea14 1342 1342/1342 1342 ± 0.00001219 5.741 5.312/6.537 5.747 ± 0.8473
ea15 1342 1342/1342 1342 ± 0 5.199 4.915/6.101 5.438 ± 0.8016
ea16 1342 1342/1342 1342 ± 0.00002925 5.922 5.565/6.858 5.996 ± 0.9827
ea17 1342 1342/1342 1342 ± 0.00004181 5.756 5.508/6.934 5.856 ± 0.9733
ea18 1342 1342/1342 1342 ± 0.0000281 5.066 4.776/5.694 5.055 ± 0.7352
ea19 1342 1342/1342 1342 ± 0.000009365 5.68 5.549/6.719 5.925 ± 0.869
ea20 1342 1342/1342 1342 ± 0.0000146 5.873 5.609/6.9 5.973 ± 0.9924
ea21 1342 1342/1342 1342 ± 0.00002575 5.559 5.374/6.317 5.626 ± 0.8294
ea22 1342 1342/1342 1342 ± 0.00003217 5.425 5.03/6.237 5.519 ± 0.8548
ea23 1342 1342/1342 1342 ± 0.00004217 5.705 5.573/6.626 5.878 ± 0.9606
ea25 1342 1342/1342 1342 ± 0.0000415 5.269 5.062/6.246 5.476 ± 0.8789
ea26 1342 1342/1342 1342 ± 0.00002136 5.847 5.538/6.877 5.99 ± 0.8599
ea27 1342 1342/1342 1342 ± 0.00004497 5.42 5.121/6.391 5.526 ± 0.8488
ea28 1342 1342/1342 1342 ± 0.00004205 5.64 5.453/6.489 5.73 ± 0.88
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 ± 0.00002409 5.51 5.294/5.8 5.525 ± 0.2664
3 1342 1342/1342 1342 ± 0.00003219 5.165 5.01/5.427 5.197 ± 0.2559
5 1342 1342/1342 1342 ± 0.00002472 5.471 5.267/5.621 5.458 ± 0.2645
6 1342 1342/1342 1342 ± 0.00002409 5.433 5.286/5.575 5.411 ± 0.2719
7 1342 1342/1342 1342 ± 0.00002409 5.413 5.246/5.576 5.416 ± 0.2462
8 1342 1342/1342 1342 ± 0.00002409 5.398 5.142/5.506 5.357 ± 0.242
9 1342 1342/1342 1342 ± 0.00002409 5.676 5.429/5.9 5.63 ± 0.2965
10 1342 1342/1342 1342 ± 0.00002365 6.08 5.851/6.236 5.997 ± 0.341
11 1342 1342/1342 1342 ± 0.00002365 6.385 6.165/6.486 6.266 ± 0.3435
12 1342 1342/1342 1342 ± 0.00002365 6.493 6.3/6.653 6.442 ± 0.37
13 1342 1342/1342 1342 ± 0.00002367 6.754 6.599/7.018 6.753 ± 0.3773
14 1342 1342/1342 1342 ± 0.00003153 6.763 6.486/6.983 6.686 ± 0.4523
15 1342 1342/1342 1342 ± 0.00002365 6.827 6.537/7.025 6.707 ± 0.4935
16 1342 1342/1342 1342 ± 0.00006078 3.919 3.775/4.115 3.946 ± 0.2177
17 1342 1342/1342 1342 ± 0.00006092 4.025 3.867/4.217 4.057 ± 0.2352
vis
VLASS2.1.sb38487128.eb38624732.59090.114586261574_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-04-17 04:58:03.743
End
2024-04-17 05:51:17.458
Duration
0:53:13.715
Note, WebLog generation is not included in the time.

CASA logs for stage 7